13991 lines
473 KiB
JavaScript
13991 lines
473 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, '__esModule', {
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value: true
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});
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function _objectWithoutPropertiesLoose(source, excluded) {
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if (source == null) return {};
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var target = {};
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var sourceKeys = Object.keys(source);
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var key, i;
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for (i = 0; i < sourceKeys.length; i++) {
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key = sourceKeys[i];
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if (excluded.indexOf(key) >= 0) continue;
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target[key] = source[key];
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}
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return target;
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}
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class Position {
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constructor(line, col, index) {
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this.line = void 0;
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this.column = void 0;
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this.index = void 0;
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this.line = line;
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this.column = col;
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this.index = index;
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}
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}
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class SourceLocation {
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constructor(start, end) {
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this.start = void 0;
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this.end = void 0;
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this.filename = void 0;
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this.identifierName = void 0;
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this.start = start;
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this.end = end;
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}
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}
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function createPositionWithColumnOffset(position, columnOffset) {
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const {
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line,
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column,
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index
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} = position;
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return new Position(line, column + columnOffset, index + columnOffset);
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}
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const code = "BABEL_PARSER_SOURCETYPE_MODULE_REQUIRED";
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var ModuleErrors = {
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ImportMetaOutsideModule: {
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message: `import.meta may appear only with 'sourceType: "module"'`,
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code
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},
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ImportOutsideModule: {
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message: `'import' and 'export' may appear only with 'sourceType: "module"'`,
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code
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}
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};
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const NodeDescriptions = {
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ArrayPattern: "array destructuring pattern",
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AssignmentExpression: "assignment expression",
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AssignmentPattern: "assignment expression",
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ArrowFunctionExpression: "arrow function expression",
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ConditionalExpression: "conditional expression",
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CatchClause: "catch clause",
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ForOfStatement: "for-of statement",
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ForInStatement: "for-in statement",
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ForStatement: "for-loop",
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FormalParameters: "function parameter list",
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Identifier: "identifier",
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ImportSpecifier: "import specifier",
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ImportDefaultSpecifier: "import default specifier",
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ImportNamespaceSpecifier: "import namespace specifier",
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ObjectPattern: "object destructuring pattern",
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ParenthesizedExpression: "parenthesized expression",
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RestElement: "rest element",
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UpdateExpression: {
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true: "prefix operation",
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false: "postfix operation"
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},
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VariableDeclarator: "variable declaration",
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YieldExpression: "yield expression"
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};
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const toNodeDescription = ({
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type,
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prefix
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}) => type === "UpdateExpression" ? NodeDescriptions.UpdateExpression[String(prefix)] : NodeDescriptions[type];
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var StandardErrors = {
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AccessorIsGenerator: ({
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kind
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}) => `A ${kind}ter cannot be a generator.`,
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ArgumentsInClass: "'arguments' is only allowed in functions and class methods.",
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AsyncFunctionInSingleStatementContext: "Async functions can only be declared at the top level or inside a block.",
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AwaitBindingIdentifier: "Can not use 'await' as identifier inside an async function.",
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AwaitBindingIdentifierInStaticBlock: "Can not use 'await' as identifier inside a static block.",
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AwaitExpressionFormalParameter: "'await' is not allowed in async function parameters.",
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AwaitUsingNotInAsyncContext: "'await using' is only allowed within async functions and at the top levels of modules.",
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AwaitNotInAsyncContext: "'await' is only allowed within async functions and at the top levels of modules.",
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AwaitNotInAsyncFunction: "'await' is only allowed within async functions.",
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BadGetterArity: "A 'get' accessor must not have any formal parameters.",
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BadSetterArity: "A 'set' accessor must have exactly one formal parameter.",
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BadSetterRestParameter: "A 'set' accessor function argument must not be a rest parameter.",
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ConstructorClassField: "Classes may not have a field named 'constructor'.",
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ConstructorClassPrivateField: "Classes may not have a private field named '#constructor'.",
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ConstructorIsAccessor: "Class constructor may not be an accessor.",
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ConstructorIsAsync: "Constructor can't be an async function.",
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ConstructorIsGenerator: "Constructor can't be a generator.",
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DeclarationMissingInitializer: ({
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kind
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}) => `Missing initializer in ${kind} declaration.`,
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DecoratorArgumentsOutsideParentheses: "Decorator arguments must be moved inside parentheses: use '@(decorator(args))' instead of '@(decorator)(args)'.",
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DecoratorBeforeExport: "Decorators must be placed *before* the 'export' keyword. Remove the 'decoratorsBeforeExport: true' option to use the 'export @decorator class {}' syntax.",
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DecoratorsBeforeAfterExport: "Decorators can be placed *either* before or after the 'export' keyword, but not in both locations at the same time.",
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DecoratorConstructor: "Decorators can't be used with a constructor. Did you mean '@dec class { ... }'?",
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DecoratorExportClass: "Decorators must be placed *after* the 'export' keyword. Remove the 'decoratorsBeforeExport: false' option to use the '@decorator export class {}' syntax.",
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DecoratorSemicolon: "Decorators must not be followed by a semicolon.",
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DecoratorStaticBlock: "Decorators can't be used with a static block.",
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DeferImportRequiresNamespace: 'Only `import defer * as x from "./module"` is valid.',
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DeletePrivateField: "Deleting a private field is not allowed.",
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DestructureNamedImport: "ES2015 named imports do not destructure. Use another statement for destructuring after the import.",
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DuplicateConstructor: "Duplicate constructor in the same class.",
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DuplicateDefaultExport: "Only one default export allowed per module.",
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DuplicateExport: ({
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exportName
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}) => `\`${exportName}\` has already been exported. Exported identifiers must be unique.`,
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DuplicateProto: "Redefinition of __proto__ property.",
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DuplicateRegExpFlags: "Duplicate regular expression flag.",
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DynamicImportPhaseRequiresImportExpressions: ({
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phase
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}) => `'import.${phase}(...)' can only be parsed when using the 'createImportExpressions' option.`,
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ElementAfterRest: "Rest element must be last element.",
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EscapedCharNotAnIdentifier: "Invalid Unicode escape.",
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ExportBindingIsString: ({
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localName,
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exportName
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}) => `A string literal cannot be used as an exported binding without \`from\`.\n- Did you mean \`export { '${localName}' as '${exportName}' } from 'some-module'\`?`,
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ExportDefaultFromAsIdentifier: "'from' is not allowed as an identifier after 'export default'.",
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ForInOfLoopInitializer: ({
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type
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}) => `'${type === "ForInStatement" ? "for-in" : "for-of"}' loop variable declaration may not have an initializer.`,
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ForInUsing: "For-in loop may not start with 'using' declaration.",
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ForOfAsync: "The left-hand side of a for-of loop may not be 'async'.",
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ForOfLet: "The left-hand side of a for-of loop may not start with 'let'.",
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GeneratorInSingleStatementContext: "Generators can only be declared at the top level or inside a block.",
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IllegalBreakContinue: ({
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type
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}) => `Unsyntactic ${type === "BreakStatement" ? "break" : "continue"}.`,
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IllegalLanguageModeDirective: "Illegal 'use strict' directive in function with non-simple parameter list.",
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IllegalReturn: "'return' outside of function.",
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ImportAttributesUseAssert: "The `assert` keyword in import attributes is deprecated and it has been replaced by the `with` keyword. You can enable the `deprecatedAssertSyntax: true` option in the import attributes plugin to suppress this error.",
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ImportBindingIsString: ({
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importName
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}) => `A string literal cannot be used as an imported binding.\n- Did you mean \`import { "${importName}" as foo }\`?`,
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ImportCallArgumentTrailingComma: "Trailing comma is disallowed inside import(...) arguments.",
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ImportCallArity: ({
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maxArgumentCount
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}) => `\`import()\` requires exactly ${maxArgumentCount === 1 ? "one argument" : "one or two arguments"}.`,
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ImportCallNotNewExpression: "Cannot use new with import(...).",
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ImportCallSpreadArgument: "`...` is not allowed in `import()`.",
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ImportJSONBindingNotDefault: "A JSON module can only be imported with `default`.",
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ImportReflectionHasAssertion: "`import module x` cannot have assertions.",
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ImportReflectionNotBinding: 'Only `import module x from "./module"` is valid.',
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IncompatibleRegExpUVFlags: "The 'u' and 'v' regular expression flags cannot be enabled at the same time.",
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InvalidBigIntLiteral: "Invalid BigIntLiteral.",
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InvalidCodePoint: "Code point out of bounds.",
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InvalidCoverInitializedName: "Invalid shorthand property initializer.",
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InvalidDecimal: "Invalid decimal.",
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InvalidDigit: ({
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radix
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}) => `Expected number in radix ${radix}.`,
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InvalidEscapeSequence: "Bad character escape sequence.",
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InvalidEscapeSequenceTemplate: "Invalid escape sequence in template.",
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InvalidEscapedReservedWord: ({
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reservedWord
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}) => `Escape sequence in keyword ${reservedWord}.`,
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InvalidIdentifier: ({
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identifierName
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}) => `Invalid identifier ${identifierName}.`,
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InvalidLhs: ({
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ancestor
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}) => `Invalid left-hand side in ${toNodeDescription(ancestor)}.`,
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InvalidLhsBinding: ({
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ancestor
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}) => `Binding invalid left-hand side in ${toNodeDescription(ancestor)}.`,
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InvalidLhsOptionalChaining: ({
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ancestor
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}) => `Invalid optional chaining in the left-hand side of ${toNodeDescription(ancestor)}.`,
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InvalidNumber: "Invalid number.",
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InvalidOrMissingExponent: "Floating-point numbers require a valid exponent after the 'e'.",
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InvalidOrUnexpectedToken: ({
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unexpected
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}) => `Unexpected character '${unexpected}'.`,
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InvalidParenthesizedAssignment: "Invalid parenthesized assignment pattern.",
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InvalidPrivateFieldResolution: ({
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identifierName
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}) => `Private name #${identifierName} is not defined.`,
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InvalidPropertyBindingPattern: "Binding member expression.",
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InvalidRecordProperty: "Only properties and spread elements are allowed in record definitions.",
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InvalidRestAssignmentPattern: "Invalid rest operator's argument.",
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LabelRedeclaration: ({
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labelName
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}) => `Label '${labelName}' is already declared.`,
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LetInLexicalBinding: "'let' is disallowed as a lexically bound name.",
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LineTerminatorBeforeArrow: "No line break is allowed before '=>'.",
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MalformedRegExpFlags: "Invalid regular expression flag.",
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MissingClassName: "A class name is required.",
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MissingEqInAssignment: "Only '=' operator can be used for specifying default value.",
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MissingSemicolon: "Missing semicolon.",
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MissingPlugin: ({
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missingPlugin
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}) => `This experimental syntax requires enabling the parser plugin: ${missingPlugin.map(name => JSON.stringify(name)).join(", ")}.`,
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MissingOneOfPlugins: ({
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missingPlugin
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}) => `This experimental syntax requires enabling one of the following parser plugin(s): ${missingPlugin.map(name => JSON.stringify(name)).join(", ")}.`,
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MissingUnicodeEscape: "Expecting Unicode escape sequence \\uXXXX.",
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MixingCoalesceWithLogical: "Nullish coalescing operator(??) requires parens when mixing with logical operators.",
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ModuleAttributeDifferentFromType: "The only accepted module attribute is `type`.",
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ModuleAttributeInvalidValue: "Only string literals are allowed as module attribute values.",
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ModuleAttributesWithDuplicateKeys: ({
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key
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}) => `Duplicate key "${key}" is not allowed in module attributes.`,
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ModuleExportNameHasLoneSurrogate: ({
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surrogateCharCode
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}) => `An export name cannot include a lone surrogate, found '\\u${surrogateCharCode.toString(16)}'.`,
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ModuleExportUndefined: ({
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localName
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}) => `Export '${localName}' is not defined.`,
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MultipleDefaultsInSwitch: "Multiple default clauses.",
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NewlineAfterThrow: "Illegal newline after throw.",
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NoCatchOrFinally: "Missing catch or finally clause.",
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NumberIdentifier: "Identifier directly after number.",
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NumericSeparatorInEscapeSequence: "Numeric separators are not allowed inside unicode escape sequences or hex escape sequences.",
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ObsoleteAwaitStar: "'await*' has been removed from the async functions proposal. Use Promise.all() instead.",
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OptionalChainingNoNew: "Constructors in/after an Optional Chain are not allowed.",
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OptionalChainingNoTemplate: "Tagged Template Literals are not allowed in optionalChain.",
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OverrideOnConstructor: "'override' modifier cannot appear on a constructor declaration.",
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ParamDupe: "Argument name clash.",
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PatternHasAccessor: "Object pattern can't contain getter or setter.",
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PatternHasMethod: "Object pattern can't contain methods.",
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PrivateInExpectedIn: ({
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identifierName
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}) => `Private names are only allowed in property accesses (\`obj.#${identifierName}\`) or in \`in\` expressions (\`#${identifierName} in obj\`).`,
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PrivateNameRedeclaration: ({
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identifierName
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}) => `Duplicate private name #${identifierName}.`,
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RecordExpressionBarIncorrectEndSyntaxType: "Record expressions ending with '|}' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.",
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RecordExpressionBarIncorrectStartSyntaxType: "Record expressions starting with '{|' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.",
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RecordExpressionHashIncorrectStartSyntaxType: "Record expressions starting with '#{' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'hash'.",
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RecordNoProto: "'__proto__' is not allowed in Record expressions.",
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RestTrailingComma: "Unexpected trailing comma after rest element.",
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SloppyFunction: "In non-strict mode code, functions can only be declared at top level or inside a block.",
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SloppyFunctionAnnexB: "In non-strict mode code, functions can only be declared at top level, inside a block, or as the body of an if statement.",
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SourcePhaseImportRequiresDefault: 'Only `import source x from "./module"` is valid.',
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StaticPrototype: "Classes may not have static property named prototype.",
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SuperNotAllowed: "`super()` is only valid inside a class constructor of a subclass. Maybe a typo in the method name ('constructor') or not extending another class?",
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SuperPrivateField: "Private fields can't be accessed on super.",
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TrailingDecorator: "Decorators must be attached to a class element.",
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TupleExpressionBarIncorrectEndSyntaxType: "Tuple expressions ending with '|]' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.",
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TupleExpressionBarIncorrectStartSyntaxType: "Tuple expressions starting with '[|' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.",
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TupleExpressionHashIncorrectStartSyntaxType: "Tuple expressions starting with '#[' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'hash'.",
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UnexpectedArgumentPlaceholder: "Unexpected argument placeholder.",
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UnexpectedAwaitAfterPipelineBody: 'Unexpected "await" after pipeline body; await must have parentheses in minimal proposal.',
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UnexpectedDigitAfterHash: "Unexpected digit after hash token.",
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UnexpectedImportExport: "'import' and 'export' may only appear at the top level.",
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UnexpectedKeyword: ({
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keyword
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}) => `Unexpected keyword '${keyword}'.`,
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UnexpectedLeadingDecorator: "Leading decorators must be attached to a class declaration.",
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UnexpectedLexicalDeclaration: "Lexical declaration cannot appear in a single-statement context.",
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UnexpectedNewTarget: "`new.target` can only be used in functions or class properties.",
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UnexpectedNumericSeparator: "A numeric separator is only allowed between two digits.",
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UnexpectedPrivateField: "Unexpected private name.",
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UnexpectedReservedWord: ({
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reservedWord
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}) => `Unexpected reserved word '${reservedWord}'.`,
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UnexpectedSuper: "'super' is only allowed in object methods and classes.",
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UnexpectedToken: ({
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expected,
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unexpected
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}) => `Unexpected token${unexpected ? ` '${unexpected}'.` : ""}${expected ? `, expected "${expected}"` : ""}`,
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UnexpectedTokenUnaryExponentiation: "Illegal expression. Wrap left hand side or entire exponentiation in parentheses.",
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UnexpectedUsingDeclaration: "Using declaration cannot appear in the top level when source type is `script`.",
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UnsupportedBind: "Binding should be performed on object property.",
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UnsupportedDecoratorExport: "A decorated export must export a class declaration.",
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UnsupportedDefaultExport: "Only expressions, functions or classes are allowed as the `default` export.",
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UnsupportedImport: "`import` can only be used in `import()` or `import.meta`.",
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UnsupportedMetaProperty: ({
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target,
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onlyValidPropertyName
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}) => `The only valid meta property for ${target} is ${target}.${onlyValidPropertyName}.`,
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UnsupportedParameterDecorator: "Decorators cannot be used to decorate parameters.",
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UnsupportedPropertyDecorator: "Decorators cannot be used to decorate object literal properties.",
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UnsupportedSuper: "'super' can only be used with function calls (i.e. super()) or in property accesses (i.e. super.prop or super[prop]).",
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UnterminatedComment: "Unterminated comment.",
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UnterminatedRegExp: "Unterminated regular expression.",
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UnterminatedString: "Unterminated string constant.",
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UnterminatedTemplate: "Unterminated template.",
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UsingDeclarationHasBindingPattern: "Using declaration cannot have destructuring patterns.",
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VarRedeclaration: ({
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identifierName
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}) => `Identifier '${identifierName}' has already been declared.`,
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YieldBindingIdentifier: "Can not use 'yield' as identifier inside a generator.",
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YieldInParameter: "Yield expression is not allowed in formal parameters.",
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ZeroDigitNumericSeparator: "Numeric separator can not be used after leading 0."
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};
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var StrictModeErrors = {
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StrictDelete: "Deleting local variable in strict mode.",
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StrictEvalArguments: ({
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referenceName
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}) => `Assigning to '${referenceName}' in strict mode.`,
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StrictEvalArgumentsBinding: ({
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bindingName
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}) => `Binding '${bindingName}' in strict mode.`,
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StrictFunction: "In strict mode code, functions can only be declared at top level or inside a block.",
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StrictNumericEscape: "The only valid numeric escape in strict mode is '\\0'.",
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StrictOctalLiteral: "Legacy octal literals are not allowed in strict mode.",
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StrictWith: "'with' in strict mode."
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};
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const UnparenthesizedPipeBodyDescriptions = new Set(["ArrowFunctionExpression", "AssignmentExpression", "ConditionalExpression", "YieldExpression"]);
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var PipelineOperatorErrors = {
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PipeBodyIsTighter: "Unexpected yield after pipeline body; any yield expression acting as Hack-style pipe body must be parenthesized due to its loose operator precedence.",
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PipeTopicRequiresHackPipes: 'Topic reference is used, but the pipelineOperator plugin was not passed a "proposal": "hack" or "smart" option.',
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PipeTopicUnbound: "Topic reference is unbound; it must be inside a pipe body.",
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PipeTopicUnconfiguredToken: ({
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token
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}) => `Invalid topic token ${token}. In order to use ${token} as a topic reference, the pipelineOperator plugin must be configured with { "proposal": "hack", "topicToken": "${token}" }.`,
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PipeTopicUnused: "Hack-style pipe body does not contain a topic reference; Hack-style pipes must use topic at least once.",
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PipeUnparenthesizedBody: ({
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type
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}) => `Hack-style pipe body cannot be an unparenthesized ${toNodeDescription({
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type
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})}; please wrap it in parentheses.`,
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PipelineBodyNoArrow: 'Unexpected arrow "=>" after pipeline body; arrow function in pipeline body must be parenthesized.',
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PipelineBodySequenceExpression: "Pipeline body may not be a comma-separated sequence expression.",
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PipelineHeadSequenceExpression: "Pipeline head should not be a comma-separated sequence expression.",
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PipelineTopicUnused: "Pipeline is in topic style but does not use topic reference.",
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PrimaryTopicNotAllowed: "Topic reference was used in a lexical context without topic binding.",
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PrimaryTopicRequiresSmartPipeline: 'Topic reference is used, but the pipelineOperator plugin was not passed a "proposal": "hack" or "smart" option.'
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};
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const _excluded = ["toMessage"],
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|
_excluded2 = ["message"];
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|
function defineHidden(obj, key, value) {
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|
Object.defineProperty(obj, key, {
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enumerable: false,
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configurable: true,
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value
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});
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}
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function toParseErrorConstructor(_ref) {
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let {
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toMessage
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} = _ref,
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properties = _objectWithoutPropertiesLoose(_ref, _excluded);
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return function constructor(loc, details) {
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const error = new SyntaxError();
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|
Object.assign(error, properties, {
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|
loc,
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pos: loc.index
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});
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|
if ("missingPlugin" in details) {
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Object.assign(error, {
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|
missingPlugin: details.missingPlugin
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});
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}
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|
defineHidden(error, "clone", function clone(overrides = {}) {
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var _overrides$loc;
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const {
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line,
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column,
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index
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} = (_overrides$loc = overrides.loc) != null ? _overrides$loc : loc;
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return constructor(new Position(line, column, index), Object.assign({}, details, overrides.details));
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});
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|
defineHidden(error, "details", details);
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Object.defineProperty(error, "message", {
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|
configurable: true,
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get() {
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const message = `${toMessage(details)} (${loc.line}:${loc.column})`;
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this.message = message;
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return message;
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},
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|
set(value) {
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|
Object.defineProperty(this, "message", {
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value,
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|
writable: true
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|
});
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}
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|
});
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return error;
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};
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|
}
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|
function ParseErrorEnum(argument, syntaxPlugin) {
|
|
if (Array.isArray(argument)) {
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|
return parseErrorTemplates => ParseErrorEnum(parseErrorTemplates, argument[0]);
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|
}
|
|
const ParseErrorConstructors = {};
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|
for (const reasonCode of Object.keys(argument)) {
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|
const template = argument[reasonCode];
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|
const _ref2 = typeof template === "string" ? {
|
|
message: () => template
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|
} : typeof template === "function" ? {
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|
message: template
|
|
} : template,
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|
{
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|
message
|
|
} = _ref2,
|
|
rest = _objectWithoutPropertiesLoose(_ref2, _excluded2);
|
|
const toMessage = typeof message === "string" ? () => message : message;
|
|
ParseErrorConstructors[reasonCode] = toParseErrorConstructor(Object.assign({
|
|
code: "BABEL_PARSER_SYNTAX_ERROR",
|
|
reasonCode,
|
|
toMessage
|
|
}, syntaxPlugin ? {
|
|
syntaxPlugin
|
|
} : {}, rest));
|
|
}
|
|
return ParseErrorConstructors;
|
|
}
|
|
const Errors = Object.assign({}, ParseErrorEnum(ModuleErrors), ParseErrorEnum(StandardErrors), ParseErrorEnum(StrictModeErrors), ParseErrorEnum`pipelineOperator`(PipelineOperatorErrors));
|
|
const {
|
|
defineProperty
|
|
} = Object;
|
|
const toUnenumerable = (object, key) => defineProperty(object, key, {
|
|
enumerable: false,
|
|
value: object[key]
|
|
});
|
|
function toESTreeLocation(node) {
|
|
node.loc.start && toUnenumerable(node.loc.start, "index");
|
|
node.loc.end && toUnenumerable(node.loc.end, "index");
|
|
return node;
|
|
}
|
|
var estree = superClass => class ESTreeParserMixin extends superClass {
|
|
parse() {
|
|
const file = toESTreeLocation(super.parse());
|
|
if (this.options.tokens) {
|
|
file.tokens = file.tokens.map(toESTreeLocation);
|
|
}
|
|
return file;
|
|
}
|
|
parseRegExpLiteral({
|
|
pattern,
|
|
flags
|
|
}) {
|
|
let regex = null;
|
|
try {
|
|
regex = new RegExp(pattern, flags);
|
|
} catch (e) {}
|
|
const node = this.estreeParseLiteral(regex);
|
|
node.regex = {
|
|
pattern,
|
|
flags
|
|
};
|
|
return node;
|
|
}
|
|
parseBigIntLiteral(value) {
|
|
let bigInt;
|
|
try {
|
|
bigInt = BigInt(value);
|
|
} catch (_unused) {
|
|
bigInt = null;
|
|
}
|
|
const node = this.estreeParseLiteral(bigInt);
|
|
node.bigint = String(node.value || value);
|
|
return node;
|
|
}
|
|
parseDecimalLiteral(value) {
|
|
const decimal = null;
|
|
const node = this.estreeParseLiteral(decimal);
|
|
node.decimal = String(node.value || value);
|
|
return node;
|
|
}
|
|
estreeParseLiteral(value) {
|
|
return this.parseLiteral(value, "Literal");
|
|
}
|
|
parseStringLiteral(value) {
|
|
return this.estreeParseLiteral(value);
|
|
}
|
|
parseNumericLiteral(value) {
|
|
return this.estreeParseLiteral(value);
|
|
}
|
|
parseNullLiteral() {
|
|
return this.estreeParseLiteral(null);
|
|
}
|
|
parseBooleanLiteral(value) {
|
|
return this.estreeParseLiteral(value);
|
|
}
|
|
directiveToStmt(directive) {
|
|
const expression = directive.value;
|
|
delete directive.value;
|
|
expression.type = "Literal";
|
|
expression.raw = expression.extra.raw;
|
|
expression.value = expression.extra.expressionValue;
|
|
const stmt = directive;
|
|
stmt.type = "ExpressionStatement";
|
|
stmt.expression = expression;
|
|
stmt.directive = expression.extra.rawValue;
|
|
delete expression.extra;
|
|
return stmt;
|
|
}
|
|
initFunction(node, isAsync) {
|
|
super.initFunction(node, isAsync);
|
|
node.expression = false;
|
|
}
|
|
checkDeclaration(node) {
|
|
if (node != null && this.isObjectProperty(node)) {
|
|
this.checkDeclaration(node.value);
|
|
} else {
|
|
super.checkDeclaration(node);
|
|
}
|
|
}
|
|
getObjectOrClassMethodParams(method) {
|
|
return method.value.params;
|
|
}
|
|
isValidDirective(stmt) {
|
|
var _stmt$expression$extr;
|
|
return stmt.type === "ExpressionStatement" && stmt.expression.type === "Literal" && typeof stmt.expression.value === "string" && !((_stmt$expression$extr = stmt.expression.extra) != null && _stmt$expression$extr.parenthesized);
|
|
}
|
|
parseBlockBody(node, allowDirectives, topLevel, end, afterBlockParse) {
|
|
super.parseBlockBody(node, allowDirectives, topLevel, end, afterBlockParse);
|
|
const directiveStatements = node.directives.map(d => this.directiveToStmt(d));
|
|
node.body = directiveStatements.concat(node.body);
|
|
delete node.directives;
|
|
}
|
|
pushClassMethod(classBody, method, isGenerator, isAsync, isConstructor, allowsDirectSuper) {
|
|
this.parseMethod(method, isGenerator, isAsync, isConstructor, allowsDirectSuper, "ClassMethod", true);
|
|
if (method.typeParameters) {
|
|
method.value.typeParameters = method.typeParameters;
|
|
delete method.typeParameters;
|
|
}
|
|
classBody.body.push(method);
|
|
}
|
|
parsePrivateName() {
|
|
const node = super.parsePrivateName();
|
|
{
|
|
if (!this.getPluginOption("estree", "classFeatures")) {
|
|
return node;
|
|
}
|
|
}
|
|
return this.convertPrivateNameToPrivateIdentifier(node);
|
|
}
|
|
convertPrivateNameToPrivateIdentifier(node) {
|
|
const name = super.getPrivateNameSV(node);
|
|
node = node;
|
|
delete node.id;
|
|
node.name = name;
|
|
node.type = "PrivateIdentifier";
|
|
return node;
|
|
}
|
|
isPrivateName(node) {
|
|
{
|
|
if (!this.getPluginOption("estree", "classFeatures")) {
|
|
return super.isPrivateName(node);
|
|
}
|
|
}
|
|
return node.type === "PrivateIdentifier";
|
|
}
|
|
getPrivateNameSV(node) {
|
|
{
|
|
if (!this.getPluginOption("estree", "classFeatures")) {
|
|
return super.getPrivateNameSV(node);
|
|
}
|
|
}
|
|
return node.name;
|
|
}
|
|
parseLiteral(value, type) {
|
|
const node = super.parseLiteral(value, type);
|
|
node.raw = node.extra.raw;
|
|
delete node.extra;
|
|
return node;
|
|
}
|
|
parseFunctionBody(node, allowExpression, isMethod = false) {
|
|
super.parseFunctionBody(node, allowExpression, isMethod);
|
|
node.expression = node.body.type !== "BlockStatement";
|
|
}
|
|
parseMethod(node, isGenerator, isAsync, isConstructor, allowDirectSuper, type, inClassScope = false) {
|
|
let funcNode = this.startNode();
|
|
funcNode.kind = node.kind;
|
|
funcNode = super.parseMethod(funcNode, isGenerator, isAsync, isConstructor, allowDirectSuper, type, inClassScope);
|
|
funcNode.type = "FunctionExpression";
|
|
delete funcNode.kind;
|
|
node.value = funcNode;
|
|
if (type === "ClassPrivateMethod") {
|
|
node.computed = false;
|
|
}
|
|
return this.finishNode(node, "MethodDefinition");
|
|
}
|
|
parseClassProperty(...args) {
|
|
const propertyNode = super.parseClassProperty(...args);
|
|
{
|
|
if (!this.getPluginOption("estree", "classFeatures")) {
|
|
return propertyNode;
|
|
}
|
|
}
|
|
propertyNode.type = "PropertyDefinition";
|
|
return propertyNode;
|
|
}
|
|
parseClassPrivateProperty(...args) {
|
|
const propertyNode = super.parseClassPrivateProperty(...args);
|
|
{
|
|
if (!this.getPluginOption("estree", "classFeatures")) {
|
|
return propertyNode;
|
|
}
|
|
}
|
|
propertyNode.type = "PropertyDefinition";
|
|
propertyNode.computed = false;
|
|
return propertyNode;
|
|
}
|
|
parseObjectMethod(prop, isGenerator, isAsync, isPattern, isAccessor) {
|
|
const node = super.parseObjectMethod(prop, isGenerator, isAsync, isPattern, isAccessor);
|
|
if (node) {
|
|
node.type = "Property";
|
|
if (node.kind === "method") {
|
|
node.kind = "init";
|
|
}
|
|
node.shorthand = false;
|
|
}
|
|
return node;
|
|
}
|
|
parseObjectProperty(prop, startLoc, isPattern, refExpressionErrors) {
|
|
const node = super.parseObjectProperty(prop, startLoc, isPattern, refExpressionErrors);
|
|
if (node) {
|
|
node.kind = "init";
|
|
node.type = "Property";
|
|
}
|
|
return node;
|
|
}
|
|
isValidLVal(type, isUnparenthesizedInAssign, binding) {
|
|
return type === "Property" ? "value" : super.isValidLVal(type, isUnparenthesizedInAssign, binding);
|
|
}
|
|
isAssignable(node, isBinding) {
|
|
if (node != null && this.isObjectProperty(node)) {
|
|
return this.isAssignable(node.value, isBinding);
|
|
}
|
|
return super.isAssignable(node, isBinding);
|
|
}
|
|
toAssignable(node, isLHS = false) {
|
|
if (node != null && this.isObjectProperty(node)) {
|
|
const {
|
|
key,
|
|
value
|
|
} = node;
|
|
if (this.isPrivateName(key)) {
|
|
this.classScope.usePrivateName(this.getPrivateNameSV(key), key.loc.start);
|
|
}
|
|
this.toAssignable(value, isLHS);
|
|
} else {
|
|
super.toAssignable(node, isLHS);
|
|
}
|
|
}
|
|
toAssignableObjectExpressionProp(prop, isLast, isLHS) {
|
|
if (prop.kind === "get" || prop.kind === "set") {
|
|
this.raise(Errors.PatternHasAccessor, prop.key);
|
|
} else if (prop.method) {
|
|
this.raise(Errors.PatternHasMethod, prop.key);
|
|
} else {
|
|
super.toAssignableObjectExpressionProp(prop, isLast, isLHS);
|
|
}
|
|
}
|
|
finishCallExpression(unfinished, optional) {
|
|
const node = super.finishCallExpression(unfinished, optional);
|
|
if (node.callee.type === "Import") {
|
|
node.type = "ImportExpression";
|
|
node.source = node.arguments[0];
|
|
if (this.hasPlugin("importAttributes") || this.hasPlugin("importAssertions")) {
|
|
var _node$arguments$, _node$arguments$2;
|
|
node.options = (_node$arguments$ = node.arguments[1]) != null ? _node$arguments$ : null;
|
|
node.attributes = (_node$arguments$2 = node.arguments[1]) != null ? _node$arguments$2 : null;
|
|
}
|
|
delete node.arguments;
|
|
delete node.callee;
|
|
}
|
|
return node;
|
|
}
|
|
toReferencedArguments(node) {
|
|
if (node.type === "ImportExpression") {
|
|
return;
|
|
}
|
|
super.toReferencedArguments(node);
|
|
}
|
|
parseExport(unfinished, decorators) {
|
|
const exportStartLoc = this.state.lastTokStartLoc;
|
|
const node = super.parseExport(unfinished, decorators);
|
|
switch (node.type) {
|
|
case "ExportAllDeclaration":
|
|
node.exported = null;
|
|
break;
|
|
case "ExportNamedDeclaration":
|
|
if (node.specifiers.length === 1 && node.specifiers[0].type === "ExportNamespaceSpecifier") {
|
|
node.type = "ExportAllDeclaration";
|
|
node.exported = node.specifiers[0].exported;
|
|
delete node.specifiers;
|
|
}
|
|
case "ExportDefaultDeclaration":
|
|
{
|
|
var _declaration$decorato;
|
|
const {
|
|
declaration
|
|
} = node;
|
|
if ((declaration == null ? void 0 : declaration.type) === "ClassDeclaration" && ((_declaration$decorato = declaration.decorators) == null ? void 0 : _declaration$decorato.length) > 0 && declaration.start === node.start) {
|
|
this.resetStartLocation(node, exportStartLoc);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
return node;
|
|
}
|
|
parseSubscript(base, startLoc, noCalls, state) {
|
|
const node = super.parseSubscript(base, startLoc, noCalls, state);
|
|
if (state.optionalChainMember) {
|
|
if (node.type === "OptionalMemberExpression" || node.type === "OptionalCallExpression") {
|
|
node.type = node.type.substring(8);
|
|
}
|
|
if (state.stop) {
|
|
const chain = this.startNodeAtNode(node);
|
|
chain.expression = node;
|
|
return this.finishNode(chain, "ChainExpression");
|
|
}
|
|
} else if (node.type === "MemberExpression" || node.type === "CallExpression") {
|
|
node.optional = false;
|
|
}
|
|
return node;
|
|
}
|
|
isOptionalMemberExpression(node) {
|
|
if (node.type === "ChainExpression") {
|
|
return node.expression.type === "MemberExpression";
|
|
}
|
|
return super.isOptionalMemberExpression(node);
|
|
}
|
|
hasPropertyAsPrivateName(node) {
|
|
if (node.type === "ChainExpression") {
|
|
node = node.expression;
|
|
}
|
|
return super.hasPropertyAsPrivateName(node);
|
|
}
|
|
isObjectProperty(node) {
|
|
return node.type === "Property" && node.kind === "init" && !node.method;
|
|
}
|
|
isObjectMethod(node) {
|
|
return node.method || node.kind === "get" || node.kind === "set";
|
|
}
|
|
finishNodeAt(node, type, endLoc) {
|
|
return toESTreeLocation(super.finishNodeAt(node, type, endLoc));
|
|
}
|
|
resetStartLocation(node, startLoc) {
|
|
super.resetStartLocation(node, startLoc);
|
|
toESTreeLocation(node);
|
|
}
|
|
resetEndLocation(node, endLoc = this.state.lastTokEndLoc) {
|
|
super.resetEndLocation(node, endLoc);
|
|
toESTreeLocation(node);
|
|
}
|
|
};
|
|
class TokContext {
|
|
constructor(token, preserveSpace) {
|
|
this.token = void 0;
|
|
this.preserveSpace = void 0;
|
|
this.token = token;
|
|
this.preserveSpace = !!preserveSpace;
|
|
}
|
|
}
|
|
const types = {
|
|
brace: new TokContext("{"),
|
|
j_oTag: new TokContext("<tag"),
|
|
j_cTag: new TokContext("</tag"),
|
|
j_expr: new TokContext("<tag>...</tag>", true)
|
|
};
|
|
{
|
|
types.template = new TokContext("`", true);
|
|
}
|
|
const beforeExpr = true;
|
|
const startsExpr = true;
|
|
const isLoop = true;
|
|
const isAssign = true;
|
|
const prefix = true;
|
|
const postfix = true;
|
|
class ExportedTokenType {
|
|
constructor(label, conf = {}) {
|
|
this.label = void 0;
|
|
this.keyword = void 0;
|
|
this.beforeExpr = void 0;
|
|
this.startsExpr = void 0;
|
|
this.rightAssociative = void 0;
|
|
this.isLoop = void 0;
|
|
this.isAssign = void 0;
|
|
this.prefix = void 0;
|
|
this.postfix = void 0;
|
|
this.binop = void 0;
|
|
this.label = label;
|
|
this.keyword = conf.keyword;
|
|
this.beforeExpr = !!conf.beforeExpr;
|
|
this.startsExpr = !!conf.startsExpr;
|
|
this.rightAssociative = !!conf.rightAssociative;
|
|
this.isLoop = !!conf.isLoop;
|
|
this.isAssign = !!conf.isAssign;
|
|
this.prefix = !!conf.prefix;
|
|
this.postfix = !!conf.postfix;
|
|
this.binop = conf.binop != null ? conf.binop : null;
|
|
{
|
|
this.updateContext = null;
|
|
}
|
|
}
|
|
}
|
|
const keywords$1 = new Map();
|
|
function createKeyword(name, options = {}) {
|
|
options.keyword = name;
|
|
const token = createToken(name, options);
|
|
keywords$1.set(name, token);
|
|
return token;
|
|
}
|
|
function createBinop(name, binop) {
|
|
return createToken(name, {
|
|
beforeExpr,
|
|
binop
|
|
});
|
|
}
|
|
let tokenTypeCounter = -1;
|
|
const tokenTypes = [];
|
|
const tokenLabels = [];
|
|
const tokenBinops = [];
|
|
const tokenBeforeExprs = [];
|
|
const tokenStartsExprs = [];
|
|
const tokenPrefixes = [];
|
|
function createToken(name, options = {}) {
|
|
var _options$binop, _options$beforeExpr, _options$startsExpr, _options$prefix;
|
|
++tokenTypeCounter;
|
|
tokenLabels.push(name);
|
|
tokenBinops.push((_options$binop = options.binop) != null ? _options$binop : -1);
|
|
tokenBeforeExprs.push((_options$beforeExpr = options.beforeExpr) != null ? _options$beforeExpr : false);
|
|
tokenStartsExprs.push((_options$startsExpr = options.startsExpr) != null ? _options$startsExpr : false);
|
|
tokenPrefixes.push((_options$prefix = options.prefix) != null ? _options$prefix : false);
|
|
tokenTypes.push(new ExportedTokenType(name, options));
|
|
return tokenTypeCounter;
|
|
}
|
|
function createKeywordLike(name, options = {}) {
|
|
var _options$binop2, _options$beforeExpr2, _options$startsExpr2, _options$prefix2;
|
|
++tokenTypeCounter;
|
|
keywords$1.set(name, tokenTypeCounter);
|
|
tokenLabels.push(name);
|
|
tokenBinops.push((_options$binop2 = options.binop) != null ? _options$binop2 : -1);
|
|
tokenBeforeExprs.push((_options$beforeExpr2 = options.beforeExpr) != null ? _options$beforeExpr2 : false);
|
|
tokenStartsExprs.push((_options$startsExpr2 = options.startsExpr) != null ? _options$startsExpr2 : false);
|
|
tokenPrefixes.push((_options$prefix2 = options.prefix) != null ? _options$prefix2 : false);
|
|
tokenTypes.push(new ExportedTokenType("name", options));
|
|
return tokenTypeCounter;
|
|
}
|
|
const tt = {
|
|
bracketL: createToken("[", {
|
|
beforeExpr,
|
|
startsExpr
|
|
}),
|
|
bracketHashL: createToken("#[", {
|
|
beforeExpr,
|
|
startsExpr
|
|
}),
|
|
bracketBarL: createToken("[|", {
|
|
beforeExpr,
|
|
startsExpr
|
|
}),
|
|
bracketR: createToken("]"),
|
|
bracketBarR: createToken("|]"),
|
|
braceL: createToken("{", {
|
|
beforeExpr,
|
|
startsExpr
|
|
}),
|
|
braceBarL: createToken("{|", {
|
|
beforeExpr,
|
|
startsExpr
|
|
}),
|
|
braceHashL: createToken("#{", {
|
|
beforeExpr,
|
|
startsExpr
|
|
}),
|
|
braceR: createToken("}"),
|
|
braceBarR: createToken("|}"),
|
|
parenL: createToken("(", {
|
|
beforeExpr,
|
|
startsExpr
|
|
}),
|
|
parenR: createToken(")"),
|
|
comma: createToken(",", {
|
|
beforeExpr
|
|
}),
|
|
semi: createToken(";", {
|
|
beforeExpr
|
|
}),
|
|
colon: createToken(":", {
|
|
beforeExpr
|
|
}),
|
|
doubleColon: createToken("::", {
|
|
beforeExpr
|
|
}),
|
|
dot: createToken("."),
|
|
question: createToken("?", {
|
|
beforeExpr
|
|
}),
|
|
questionDot: createToken("?."),
|
|
arrow: createToken("=>", {
|
|
beforeExpr
|
|
}),
|
|
template: createToken("template"),
|
|
ellipsis: createToken("...", {
|
|
beforeExpr
|
|
}),
|
|
backQuote: createToken("`", {
|
|
startsExpr
|
|
}),
|
|
dollarBraceL: createToken("${", {
|
|
beforeExpr,
|
|
startsExpr
|
|
}),
|
|
templateTail: createToken("...`", {
|
|
startsExpr
|
|
}),
|
|
templateNonTail: createToken("...${", {
|
|
beforeExpr,
|
|
startsExpr
|
|
}),
|
|
at: createToken("@"),
|
|
hash: createToken("#", {
|
|
startsExpr
|
|
}),
|
|
interpreterDirective: createToken("#!..."),
|
|
eq: createToken("=", {
|
|
beforeExpr,
|
|
isAssign
|
|
}),
|
|
assign: createToken("_=", {
|
|
beforeExpr,
|
|
isAssign
|
|
}),
|
|
slashAssign: createToken("_=", {
|
|
beforeExpr,
|
|
isAssign
|
|
}),
|
|
xorAssign: createToken("_=", {
|
|
beforeExpr,
|
|
isAssign
|
|
}),
|
|
moduloAssign: createToken("_=", {
|
|
beforeExpr,
|
|
isAssign
|
|
}),
|
|
incDec: createToken("++/--", {
|
|
prefix,
|
|
postfix,
|
|
startsExpr
|
|
}),
|
|
bang: createToken("!", {
|
|
beforeExpr,
|
|
prefix,
|
|
startsExpr
|
|
}),
|
|
tilde: createToken("~", {
|
|
beforeExpr,
|
|
prefix,
|
|
startsExpr
|
|
}),
|
|
doubleCaret: createToken("^^", {
|
|
startsExpr
|
|
}),
|
|
doubleAt: createToken("@@", {
|
|
startsExpr
|
|
}),
|
|
pipeline: createBinop("|>", 0),
|
|
nullishCoalescing: createBinop("??", 1),
|
|
logicalOR: createBinop("||", 1),
|
|
logicalAND: createBinop("&&", 2),
|
|
bitwiseOR: createBinop("|", 3),
|
|
bitwiseXOR: createBinop("^", 4),
|
|
bitwiseAND: createBinop("&", 5),
|
|
equality: createBinop("==/!=/===/!==", 6),
|
|
lt: createBinop("</>/<=/>=", 7),
|
|
gt: createBinop("</>/<=/>=", 7),
|
|
relational: createBinop("</>/<=/>=", 7),
|
|
bitShift: createBinop("<</>>/>>>", 8),
|
|
bitShiftL: createBinop("<</>>/>>>", 8),
|
|
bitShiftR: createBinop("<</>>/>>>", 8),
|
|
plusMin: createToken("+/-", {
|
|
beforeExpr,
|
|
binop: 9,
|
|
prefix,
|
|
startsExpr
|
|
}),
|
|
modulo: createToken("%", {
|
|
binop: 10,
|
|
startsExpr
|
|
}),
|
|
star: createToken("*", {
|
|
binop: 10
|
|
}),
|
|
slash: createBinop("/", 10),
|
|
exponent: createToken("**", {
|
|
beforeExpr,
|
|
binop: 11,
|
|
rightAssociative: true
|
|
}),
|
|
_in: createKeyword("in", {
|
|
beforeExpr,
|
|
binop: 7
|
|
}),
|
|
_instanceof: createKeyword("instanceof", {
|
|
beforeExpr,
|
|
binop: 7
|
|
}),
|
|
_break: createKeyword("break"),
|
|
_case: createKeyword("case", {
|
|
beforeExpr
|
|
}),
|
|
_catch: createKeyword("catch"),
|
|
_continue: createKeyword("continue"),
|
|
_debugger: createKeyword("debugger"),
|
|
_default: createKeyword("default", {
|
|
beforeExpr
|
|
}),
|
|
_else: createKeyword("else", {
|
|
beforeExpr
|
|
}),
|
|
_finally: createKeyword("finally"),
|
|
_function: createKeyword("function", {
|
|
startsExpr
|
|
}),
|
|
_if: createKeyword("if"),
|
|
_return: createKeyword("return", {
|
|
beforeExpr
|
|
}),
|
|
_switch: createKeyword("switch"),
|
|
_throw: createKeyword("throw", {
|
|
beforeExpr,
|
|
prefix,
|
|
startsExpr
|
|
}),
|
|
_try: createKeyword("try"),
|
|
_var: createKeyword("var"),
|
|
_const: createKeyword("const"),
|
|
_with: createKeyword("with"),
|
|
_new: createKeyword("new", {
|
|
beforeExpr,
|
|
startsExpr
|
|
}),
|
|
_this: createKeyword("this", {
|
|
startsExpr
|
|
}),
|
|
_super: createKeyword("super", {
|
|
startsExpr
|
|
}),
|
|
_class: createKeyword("class", {
|
|
startsExpr
|
|
}),
|
|
_extends: createKeyword("extends", {
|
|
beforeExpr
|
|
}),
|
|
_export: createKeyword("export"),
|
|
_import: createKeyword("import", {
|
|
startsExpr
|
|
}),
|
|
_null: createKeyword("null", {
|
|
startsExpr
|
|
}),
|
|
_true: createKeyword("true", {
|
|
startsExpr
|
|
}),
|
|
_false: createKeyword("false", {
|
|
startsExpr
|
|
}),
|
|
_typeof: createKeyword("typeof", {
|
|
beforeExpr,
|
|
prefix,
|
|
startsExpr
|
|
}),
|
|
_void: createKeyword("void", {
|
|
beforeExpr,
|
|
prefix,
|
|
startsExpr
|
|
}),
|
|
_delete: createKeyword("delete", {
|
|
beforeExpr,
|
|
prefix,
|
|
startsExpr
|
|
}),
|
|
_do: createKeyword("do", {
|
|
isLoop,
|
|
beforeExpr
|
|
}),
|
|
_for: createKeyword("for", {
|
|
isLoop
|
|
}),
|
|
_while: createKeyword("while", {
|
|
isLoop
|
|
}),
|
|
_as: createKeywordLike("as", {
|
|
startsExpr
|
|
}),
|
|
_assert: createKeywordLike("assert", {
|
|
startsExpr
|
|
}),
|
|
_async: createKeywordLike("async", {
|
|
startsExpr
|
|
}),
|
|
_await: createKeywordLike("await", {
|
|
startsExpr
|
|
}),
|
|
_defer: createKeywordLike("defer", {
|
|
startsExpr
|
|
}),
|
|
_from: createKeywordLike("from", {
|
|
startsExpr
|
|
}),
|
|
_get: createKeywordLike("get", {
|
|
startsExpr
|
|
}),
|
|
_let: createKeywordLike("let", {
|
|
startsExpr
|
|
}),
|
|
_meta: createKeywordLike("meta", {
|
|
startsExpr
|
|
}),
|
|
_of: createKeywordLike("of", {
|
|
startsExpr
|
|
}),
|
|
_sent: createKeywordLike("sent", {
|
|
startsExpr
|
|
}),
|
|
_set: createKeywordLike("set", {
|
|
startsExpr
|
|
}),
|
|
_source: createKeywordLike("source", {
|
|
startsExpr
|
|
}),
|
|
_static: createKeywordLike("static", {
|
|
startsExpr
|
|
}),
|
|
_using: createKeywordLike("using", {
|
|
startsExpr
|
|
}),
|
|
_yield: createKeywordLike("yield", {
|
|
startsExpr
|
|
}),
|
|
_asserts: createKeywordLike("asserts", {
|
|
startsExpr
|
|
}),
|
|
_checks: createKeywordLike("checks", {
|
|
startsExpr
|
|
}),
|
|
_exports: createKeywordLike("exports", {
|
|
startsExpr
|
|
}),
|
|
_global: createKeywordLike("global", {
|
|
startsExpr
|
|
}),
|
|
_implements: createKeywordLike("implements", {
|
|
startsExpr
|
|
}),
|
|
_intrinsic: createKeywordLike("intrinsic", {
|
|
startsExpr
|
|
}),
|
|
_infer: createKeywordLike("infer", {
|
|
startsExpr
|
|
}),
|
|
_is: createKeywordLike("is", {
|
|
startsExpr
|
|
}),
|
|
_mixins: createKeywordLike("mixins", {
|
|
startsExpr
|
|
}),
|
|
_proto: createKeywordLike("proto", {
|
|
startsExpr
|
|
}),
|
|
_require: createKeywordLike("require", {
|
|
startsExpr
|
|
}),
|
|
_satisfies: createKeywordLike("satisfies", {
|
|
startsExpr
|
|
}),
|
|
_keyof: createKeywordLike("keyof", {
|
|
startsExpr
|
|
}),
|
|
_readonly: createKeywordLike("readonly", {
|
|
startsExpr
|
|
}),
|
|
_unique: createKeywordLike("unique", {
|
|
startsExpr
|
|
}),
|
|
_abstract: createKeywordLike("abstract", {
|
|
startsExpr
|
|
}),
|
|
_declare: createKeywordLike("declare", {
|
|
startsExpr
|
|
}),
|
|
_enum: createKeywordLike("enum", {
|
|
startsExpr
|
|
}),
|
|
_module: createKeywordLike("module", {
|
|
startsExpr
|
|
}),
|
|
_namespace: createKeywordLike("namespace", {
|
|
startsExpr
|
|
}),
|
|
_interface: createKeywordLike("interface", {
|
|
startsExpr
|
|
}),
|
|
_type: createKeywordLike("type", {
|
|
startsExpr
|
|
}),
|
|
_opaque: createKeywordLike("opaque", {
|
|
startsExpr
|
|
}),
|
|
name: createToken("name", {
|
|
startsExpr
|
|
}),
|
|
string: createToken("string", {
|
|
startsExpr
|
|
}),
|
|
num: createToken("num", {
|
|
startsExpr
|
|
}),
|
|
bigint: createToken("bigint", {
|
|
startsExpr
|
|
}),
|
|
decimal: createToken("decimal", {
|
|
startsExpr
|
|
}),
|
|
regexp: createToken("regexp", {
|
|
startsExpr
|
|
}),
|
|
privateName: createToken("#name", {
|
|
startsExpr
|
|
}),
|
|
eof: createToken("eof"),
|
|
jsxName: createToken("jsxName"),
|
|
jsxText: createToken("jsxText", {
|
|
beforeExpr: true
|
|
}),
|
|
jsxTagStart: createToken("jsxTagStart", {
|
|
startsExpr: true
|
|
}),
|
|
jsxTagEnd: createToken("jsxTagEnd"),
|
|
placeholder: createToken("%%", {
|
|
startsExpr: true
|
|
})
|
|
};
|
|
function tokenIsIdentifier(token) {
|
|
return token >= 93 && token <= 132;
|
|
}
|
|
function tokenKeywordOrIdentifierIsKeyword(token) {
|
|
return token <= 92;
|
|
}
|
|
function tokenIsKeywordOrIdentifier(token) {
|
|
return token >= 58 && token <= 132;
|
|
}
|
|
function tokenIsLiteralPropertyName(token) {
|
|
return token >= 58 && token <= 136;
|
|
}
|
|
function tokenComesBeforeExpression(token) {
|
|
return tokenBeforeExprs[token];
|
|
}
|
|
function tokenCanStartExpression(token) {
|
|
return tokenStartsExprs[token];
|
|
}
|
|
function tokenIsAssignment(token) {
|
|
return token >= 29 && token <= 33;
|
|
}
|
|
function tokenIsFlowInterfaceOrTypeOrOpaque(token) {
|
|
return token >= 129 && token <= 131;
|
|
}
|
|
function tokenIsLoop(token) {
|
|
return token >= 90 && token <= 92;
|
|
}
|
|
function tokenIsKeyword(token) {
|
|
return token >= 58 && token <= 92;
|
|
}
|
|
function tokenIsOperator(token) {
|
|
return token >= 39 && token <= 59;
|
|
}
|
|
function tokenIsPostfix(token) {
|
|
return token === 34;
|
|
}
|
|
function tokenIsPrefix(token) {
|
|
return tokenPrefixes[token];
|
|
}
|
|
function tokenIsTSTypeOperator(token) {
|
|
return token >= 121 && token <= 123;
|
|
}
|
|
function tokenIsTSDeclarationStart(token) {
|
|
return token >= 124 && token <= 130;
|
|
}
|
|
function tokenLabelName(token) {
|
|
return tokenLabels[token];
|
|
}
|
|
function tokenOperatorPrecedence(token) {
|
|
return tokenBinops[token];
|
|
}
|
|
function tokenIsRightAssociative(token) {
|
|
return token === 57;
|
|
}
|
|
function tokenIsTemplate(token) {
|
|
return token >= 24 && token <= 25;
|
|
}
|
|
function getExportedToken(token) {
|
|
return tokenTypes[token];
|
|
}
|
|
{
|
|
tokenTypes[8].updateContext = context => {
|
|
context.pop();
|
|
};
|
|
tokenTypes[5].updateContext = tokenTypes[7].updateContext = tokenTypes[23].updateContext = context => {
|
|
context.push(types.brace);
|
|
};
|
|
tokenTypes[22].updateContext = context => {
|
|
if (context[context.length - 1] === types.template) {
|
|
context.pop();
|
|
} else {
|
|
context.push(types.template);
|
|
}
|
|
};
|
|
tokenTypes[142].updateContext = context => {
|
|
context.push(types.j_expr, types.j_oTag);
|
|
};
|
|
}
|
|
let nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0560-\u0588\u05d0-\u05ea\u05ef-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u0860-\u086a\u0870-\u0887\u0889-\u088e\u08a0-\u08c9\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u09fc\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0af9\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c5d\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cdd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d04-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e86-\u0e8a\u0e8c-\u0ea3\u0ea5\u0ea7-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u1711\u171f-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1878\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4c\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c88\u1c90-\u1cba\u1cbd-\u1cbf\u1ce9-\u1cec\u1cee-\u1cf3\u1cf5\u1cf6\u1cfa\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312f\u3131-\u318e\u31a0-\u31bf\u31f0-\u31ff\u3400-\u4dbf\u4e00-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7ca\ua7d0\ua7d1\ua7d3\ua7d5-\ua7d9\ua7f2-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\ua8fe\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab69\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc";
|
|
let nonASCIIidentifierChars = "\u200c\u200d\xb7\u0300-\u036f\u0387\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u0669\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7\u06e8\u06ea-\u06ed\u06f0-\u06f9\u0711\u0730-\u074a\u07a6-\u07b0\u07c0-\u07c9\u07eb-\u07f3\u07fd\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u0898-\u089f\u08ca-\u08e1\u08e3-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09cb-\u09cd\u09d7\u09e2\u09e3\u09e6-\u09ef\u09fe\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2\u0ae3\u0ae6-\u0aef\u0afa-\u0aff\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b55-\u0b57\u0b62\u0b63\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c00-\u0c04\u0c3c\u0c3e-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0c66-\u0c6f\u0c81-\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0ce6-\u0cef\u0cf3\u0d00-\u0d03\u0d3b\u0d3c\u0d3e-\u0d44\u0d46-\u0d48\u0d4a-\u0d4d\u0d57\u0d62\u0d63\u0d66-\u0d6f\u0d81-\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0de6-\u0def\u0df2\u0df3\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0e50-\u0e59\u0eb1\u0eb4-\u0ebc\u0ec8-\u0ece\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f3e\u0f3f\u0f71-\u0f84\u0f86\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u102b-\u103e\u1040-\u1049\u1056-\u1059\u105e-\u1060\u1062-\u1064\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u1369-\u1371\u1712-\u1715\u1732-\u1734\u1752\u1753\u1772\u1773\u17b4-\u17d3\u17dd\u17e0-\u17e9\u180b-\u180d\u180f-\u1819\u18a9\u1920-\u192b\u1930-\u193b\u1946-\u194f\u19d0-\u19da\u1a17-\u1a1b\u1a55-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1ab0-\u1abd\u1abf-\u1ace\u1b00-\u1b04\u1b34-\u1b44\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1b82\u1ba1-\u1bad\u1bb0-\u1bb9\u1be6-\u1bf3\u1c24-\u1c37\u1c40-\u1c49\u1c50-\u1c59\u1cd0-\u1cd2\u1cd4-\u1ce8\u1ced\u1cf4\u1cf7-\u1cf9\u1dc0-\u1dff\u200c\u200d\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302f\u3099\u309a\u30fb\ua620-\ua629\ua66f\ua674-\ua67d\ua69e\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b\ua823-\ua827\ua82c\ua880\ua881\ua8b4-\ua8c5\ua8d0-\ua8d9\ua8e0-\ua8f1\ua8ff-\ua909\ua926-\ua92d\ua947-\ua953\ua980-\ua983\ua9b3-\ua9c0\ua9d0-\ua9d9\ua9e5\ua9f0-\ua9f9\uaa29-\uaa36\uaa43\uaa4c\uaa4d\uaa50-\uaa59\uaa7b-\uaa7d\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uaaeb-\uaaef\uaaf5\uaaf6\uabe3-\uabea\uabec\uabed\uabf0-\uabf9\ufb1e\ufe00-\ufe0f\ufe20-\ufe2f\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f\uff65";
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const nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]");
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const nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]");
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nonASCIIidentifierStartChars = nonASCIIidentifierChars = null;
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|
const astralIdentifierStartCodes = [0, 11, 2, 25, 2, 18, 2, 1, 2, 14, 3, 13, 35, 122, 70, 52, 268, 28, 4, 48, 48, 31, 14, 29, 6, 37, 11, 29, 3, 35, 5, 7, 2, 4, 43, 157, 19, 35, 5, 35, 5, 39, 9, 51, 13, 10, 2, 14, 2, 6, 2, 1, 2, 10, 2, 14, 2, 6, 2, 1, 68, 310, 10, 21, 11, 7, 25, 5, 2, 41, 2, 8, 70, 5, 3, 0, 2, 43, 2, 1, 4, 0, 3, 22, 11, 22, 10, 30, 66, 18, 2, 1, 11, 21, 11, 25, 71, 55, 7, 1, 65, 0, 16, 3, 2, 2, 2, 28, 43, 28, 4, 28, 36, 7, 2, 27, 28, 53, 11, 21, 11, 18, 14, 17, 111, 72, 56, 50, 14, 50, 14, 35, 349, 41, 7, 1, 79, 28, 11, 0, 9, 21, 43, 17, 47, 20, 28, 22, 13, 52, 58, 1, 3, 0, 14, 44, 33, 24, 27, 35, 30, 0, 3, 0, 9, 34, 4, 0, 13, 47, 15, 3, 22, 0, 2, 0, 36, 17, 2, 24, 20, 1, 64, 6, 2, 0, 2, 3, 2, 14, 2, 9, 8, 46, 39, 7, 3, 1, 3, 21, 2, 6, 2, 1, 2, 4, 4, 0, 19, 0, 13, 4, 159, 52, 19, 3, 21, 2, 31, 47, 21, 1, 2, 0, 185, 46, 42, 3, 37, 47, 21, 0, 60, 42, 14, 0, 72, 26, 38, 6, 186, 43, 117, 63, 32, 7, 3, 0, 3, 7, 2, 1, 2, 23, 16, 0, 2, 0, 95, 7, 3, 38, 17, 0, 2, 0, 29, 0, 11, 39, 8, 0, 22, 0, 12, 45, 20, 0, 19, 72, 264, 8, 2, 36, 18, 0, 50, 29, 113, 6, 2, 1, 2, 37, 22, 0, 26, 5, 2, 1, 2, 31, 15, 0, 328, 18, 16, 0, 2, 12, 2, 33, 125, 0, 80, 921, 103, 110, 18, 195, 2637, 96, 16, 1071, 18, 5, 4026, 582, 8634, 568, 8, 30, 18, 78, 18, 29, 19, 47, 17, 3, 32, 20, 6, 18, 689, 63, 129, 74, 6, 0, 67, 12, 65, 1, 2, 0, 29, 6135, 9, 1237, 43, 8, 8936, 3, 2, 6, 2, 1, 2, 290, 16, 0, 30, 2, 3, 0, 15, 3, 9, 395, 2309, 106, 6, 12, 4, 8, 8, 9, 5991, 84, 2, 70, 2, 1, 3, 0, 3, 1, 3, 3, 2, 11, 2, 0, 2, 6, 2, 64, 2, 3, 3, 7, 2, 6, 2, 27, 2, 3, 2, 4, 2, 0, 4, 6, 2, 339, 3, 24, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 7, 1845, 30, 7, 5, 262, 61, 147, 44, 11, 6, 17, 0, 322, 29, 19, 43, 485, 27, 757, 6, 2, 3, 2, 1, 2, 14, 2, 196, 60, 67, 8, 0, 1205, 3, 2, 26, 2, 1, 2, 0, 3, 0, 2, 9, 2, 3, 2, 0, 2, 0, 7, 0, 5, 0, 2, 0, 2, 0, 2, 2, 2, 1, 2, 0, 3, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 1, 2, 0, 3, 3, 2, 6, 2, 3, 2, 3, 2, 0, 2, 9, 2, 16, 6, 2, 2, 4, 2, 16, 4421, 42719, 33, 4153, 7, 221, 3, 5761, 15, 7472, 16, 621, 2467, 541, 1507, 4938, 6, 4191];
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const astralIdentifierCodes = [509, 0, 227, 0, 150, 4, 294, 9, 1368, 2, 2, 1, 6, 3, 41, 2, 5, 0, 166, 1, 574, 3, 9, 9, 370, 1, 81, 2, 71, 10, 50, 3, 123, 2, 54, 14, 32, 10, 3, 1, 11, 3, 46, 10, 8, 0, 46, 9, 7, 2, 37, 13, 2, 9, 6, 1, 45, 0, 13, 2, 49, 13, 9, 3, 2, 11, 83, 11, 7, 0, 3, 0, 158, 11, 6, 9, 7, 3, 56, 1, 2, 6, 3, 1, 3, 2, 10, 0, 11, 1, 3, 6, 4, 4, 193, 17, 10, 9, 5, 0, 82, 19, 13, 9, 214, 6, 3, 8, 28, 1, 83, 16, 16, 9, 82, 12, 9, 9, 84, 14, 5, 9, 243, 14, 166, 9, 71, 5, 2, 1, 3, 3, 2, 0, 2, 1, 13, 9, 120, 6, 3, 6, 4, 0, 29, 9, 41, 6, 2, 3, 9, 0, 10, 10, 47, 15, 406, 7, 2, 7, 17, 9, 57, 21, 2, 13, 123, 5, 4, 0, 2, 1, 2, 6, 2, 0, 9, 9, 49, 4, 2, 1, 2, 4, 9, 9, 330, 3, 10, 1, 2, 0, 49, 6, 4, 4, 14, 9, 5351, 0, 7, 14, 13835, 9, 87, 9, 39, 4, 60, 6, 26, 9, 1014, 0, 2, 54, 8, 3, 82, 0, 12, 1, 19628, 1, 4706, 45, 3, 22, 543, 4, 4, 5, 9, 7, 3, 6, 31, 3, 149, 2, 1418, 49, 513, 54, 5, 49, 9, 0, 15, 0, 23, 4, 2, 14, 1361, 6, 2, 16, 3, 6, 2, 1, 2, 4, 101, 0, 161, 6, 10, 9, 357, 0, 62, 13, 499, 13, 983, 6, 110, 6, 6, 9, 4759, 9, 787719, 239];
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|
function isInAstralSet(code, set) {
|
|
let pos = 0x10000;
|
|
for (let i = 0, length = set.length; i < length; i += 2) {
|
|
pos += set[i];
|
|
if (pos > code) return false;
|
|
pos += set[i + 1];
|
|
if (pos >= code) return true;
|
|
}
|
|
return false;
|
|
}
|
|
function isIdentifierStart(code) {
|
|
if (code < 65) return code === 36;
|
|
if (code <= 90) return true;
|
|
if (code < 97) return code === 95;
|
|
if (code <= 122) return true;
|
|
if (code <= 0xffff) {
|
|
return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code));
|
|
}
|
|
return isInAstralSet(code, astralIdentifierStartCodes);
|
|
}
|
|
function isIdentifierChar(code) {
|
|
if (code < 48) return code === 36;
|
|
if (code < 58) return true;
|
|
if (code < 65) return false;
|
|
if (code <= 90) return true;
|
|
if (code < 97) return code === 95;
|
|
if (code <= 122) return true;
|
|
if (code <= 0xffff) {
|
|
return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code));
|
|
}
|
|
return isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes);
|
|
}
|
|
const reservedWords = {
|
|
keyword: ["break", "case", "catch", "continue", "debugger", "default", "do", "else", "finally", "for", "function", "if", "return", "switch", "throw", "try", "var", "const", "while", "with", "new", "this", "super", "class", "extends", "export", "import", "null", "true", "false", "in", "instanceof", "typeof", "void", "delete"],
|
|
strict: ["implements", "interface", "let", "package", "private", "protected", "public", "static", "yield"],
|
|
strictBind: ["eval", "arguments"]
|
|
};
|
|
const keywords = new Set(reservedWords.keyword);
|
|
const reservedWordsStrictSet = new Set(reservedWords.strict);
|
|
const reservedWordsStrictBindSet = new Set(reservedWords.strictBind);
|
|
function isReservedWord(word, inModule) {
|
|
return inModule && word === "await" || word === "enum";
|
|
}
|
|
function isStrictReservedWord(word, inModule) {
|
|
return isReservedWord(word, inModule) || reservedWordsStrictSet.has(word);
|
|
}
|
|
function isStrictBindOnlyReservedWord(word) {
|
|
return reservedWordsStrictBindSet.has(word);
|
|
}
|
|
function isStrictBindReservedWord(word, inModule) {
|
|
return isStrictReservedWord(word, inModule) || isStrictBindOnlyReservedWord(word);
|
|
}
|
|
function isKeyword(word) {
|
|
return keywords.has(word);
|
|
}
|
|
function isIteratorStart(current, next, next2) {
|
|
return current === 64 && next === 64 && isIdentifierStart(next2);
|
|
}
|
|
const reservedWordLikeSet = new Set(["break", "case", "catch", "continue", "debugger", "default", "do", "else", "finally", "for", "function", "if", "return", "switch", "throw", "try", "var", "const", "while", "with", "new", "this", "super", "class", "extends", "export", "import", "null", "true", "false", "in", "instanceof", "typeof", "void", "delete", "implements", "interface", "let", "package", "private", "protected", "public", "static", "yield", "eval", "arguments", "enum", "await"]);
|
|
function canBeReservedWord(word) {
|
|
return reservedWordLikeSet.has(word);
|
|
}
|
|
class Scope {
|
|
constructor(flags) {
|
|
this.flags = 0;
|
|
this.names = new Map();
|
|
this.firstLexicalName = "";
|
|
this.flags = flags;
|
|
}
|
|
}
|
|
class ScopeHandler {
|
|
constructor(parser, inModule) {
|
|
this.parser = void 0;
|
|
this.scopeStack = [];
|
|
this.inModule = void 0;
|
|
this.undefinedExports = new Map();
|
|
this.parser = parser;
|
|
this.inModule = inModule;
|
|
}
|
|
get inTopLevel() {
|
|
return (this.currentScope().flags & 1) > 0;
|
|
}
|
|
get inFunction() {
|
|
return (this.currentVarScopeFlags() & 2) > 0;
|
|
}
|
|
get allowSuper() {
|
|
return (this.currentThisScopeFlags() & 16) > 0;
|
|
}
|
|
get allowDirectSuper() {
|
|
return (this.currentThisScopeFlags() & 32) > 0;
|
|
}
|
|
get inClass() {
|
|
return (this.currentThisScopeFlags() & 64) > 0;
|
|
}
|
|
get inClassAndNotInNonArrowFunction() {
|
|
const flags = this.currentThisScopeFlags();
|
|
return (flags & 64) > 0 && (flags & 2) === 0;
|
|
}
|
|
get inStaticBlock() {
|
|
for (let i = this.scopeStack.length - 1;; i--) {
|
|
const {
|
|
flags
|
|
} = this.scopeStack[i];
|
|
if (flags & 128) {
|
|
return true;
|
|
}
|
|
if (flags & (387 | 64)) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
get inNonArrowFunction() {
|
|
return (this.currentThisScopeFlags() & 2) > 0;
|
|
}
|
|
get treatFunctionsAsVar() {
|
|
return this.treatFunctionsAsVarInScope(this.currentScope());
|
|
}
|
|
createScope(flags) {
|
|
return new Scope(flags);
|
|
}
|
|
enter(flags) {
|
|
this.scopeStack.push(this.createScope(flags));
|
|
}
|
|
exit() {
|
|
const scope = this.scopeStack.pop();
|
|
return scope.flags;
|
|
}
|
|
treatFunctionsAsVarInScope(scope) {
|
|
return !!(scope.flags & (2 | 128) || !this.parser.inModule && scope.flags & 1);
|
|
}
|
|
declareName(name, bindingType, loc) {
|
|
let scope = this.currentScope();
|
|
if (bindingType & 8 || bindingType & 16) {
|
|
this.checkRedeclarationInScope(scope, name, bindingType, loc);
|
|
let type = scope.names.get(name) || 0;
|
|
if (bindingType & 16) {
|
|
type = type | 4;
|
|
} else {
|
|
if (!scope.firstLexicalName) {
|
|
scope.firstLexicalName = name;
|
|
}
|
|
type = type | 2;
|
|
}
|
|
scope.names.set(name, type);
|
|
if (bindingType & 8) {
|
|
this.maybeExportDefined(scope, name);
|
|
}
|
|
} else if (bindingType & 4) {
|
|
for (let i = this.scopeStack.length - 1; i >= 0; --i) {
|
|
scope = this.scopeStack[i];
|
|
this.checkRedeclarationInScope(scope, name, bindingType, loc);
|
|
scope.names.set(name, (scope.names.get(name) || 0) | 1);
|
|
this.maybeExportDefined(scope, name);
|
|
if (scope.flags & 387) break;
|
|
}
|
|
}
|
|
if (this.parser.inModule && scope.flags & 1) {
|
|
this.undefinedExports.delete(name);
|
|
}
|
|
}
|
|
maybeExportDefined(scope, name) {
|
|
if (this.parser.inModule && scope.flags & 1) {
|
|
this.undefinedExports.delete(name);
|
|
}
|
|
}
|
|
checkRedeclarationInScope(scope, name, bindingType, loc) {
|
|
if (this.isRedeclaredInScope(scope, name, bindingType)) {
|
|
this.parser.raise(Errors.VarRedeclaration, loc, {
|
|
identifierName: name
|
|
});
|
|
}
|
|
}
|
|
isRedeclaredInScope(scope, name, bindingType) {
|
|
if (!(bindingType & 1)) return false;
|
|
if (bindingType & 8) {
|
|
return scope.names.has(name);
|
|
}
|
|
const type = scope.names.get(name);
|
|
if (bindingType & 16) {
|
|
return (type & 2) > 0 || !this.treatFunctionsAsVarInScope(scope) && (type & 1) > 0;
|
|
}
|
|
return (type & 2) > 0 && !(scope.flags & 8 && scope.firstLexicalName === name) || !this.treatFunctionsAsVarInScope(scope) && (type & 4) > 0;
|
|
}
|
|
checkLocalExport(id) {
|
|
const {
|
|
name
|
|
} = id;
|
|
const topLevelScope = this.scopeStack[0];
|
|
if (!topLevelScope.names.has(name)) {
|
|
this.undefinedExports.set(name, id.loc.start);
|
|
}
|
|
}
|
|
currentScope() {
|
|
return this.scopeStack[this.scopeStack.length - 1];
|
|
}
|
|
currentVarScopeFlags() {
|
|
for (let i = this.scopeStack.length - 1;; i--) {
|
|
const {
|
|
flags
|
|
} = this.scopeStack[i];
|
|
if (flags & 387) {
|
|
return flags;
|
|
}
|
|
}
|
|
}
|
|
currentThisScopeFlags() {
|
|
for (let i = this.scopeStack.length - 1;; i--) {
|
|
const {
|
|
flags
|
|
} = this.scopeStack[i];
|
|
if (flags & (387 | 64) && !(flags & 4)) {
|
|
return flags;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
class FlowScope extends Scope {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.declareFunctions = new Set();
|
|
}
|
|
}
|
|
class FlowScopeHandler extends ScopeHandler {
|
|
createScope(flags) {
|
|
return new FlowScope(flags);
|
|
}
|
|
declareName(name, bindingType, loc) {
|
|
const scope = this.currentScope();
|
|
if (bindingType & 2048) {
|
|
this.checkRedeclarationInScope(scope, name, bindingType, loc);
|
|
this.maybeExportDefined(scope, name);
|
|
scope.declareFunctions.add(name);
|
|
return;
|
|
}
|
|
super.declareName(name, bindingType, loc);
|
|
}
|
|
isRedeclaredInScope(scope, name, bindingType) {
|
|
if (super.isRedeclaredInScope(scope, name, bindingType)) return true;
|
|
if (bindingType & 2048 && !scope.declareFunctions.has(name)) {
|
|
const type = scope.names.get(name);
|
|
return (type & 4) > 0 || (type & 2) > 0;
|
|
}
|
|
return false;
|
|
}
|
|
checkLocalExport(id) {
|
|
if (!this.scopeStack[0].declareFunctions.has(id.name)) {
|
|
super.checkLocalExport(id);
|
|
}
|
|
}
|
|
}
|
|
class BaseParser {
|
|
constructor() {
|
|
this.sawUnambiguousESM = false;
|
|
this.ambiguousScriptDifferentAst = false;
|
|
}
|
|
hasPlugin(pluginConfig) {
|
|
if (typeof pluginConfig === "string") {
|
|
return this.plugins.has(pluginConfig);
|
|
} else {
|
|
const [pluginName, pluginOptions] = pluginConfig;
|
|
if (!this.hasPlugin(pluginName)) {
|
|
return false;
|
|
}
|
|
const actualOptions = this.plugins.get(pluginName);
|
|
for (const key of Object.keys(pluginOptions)) {
|
|
if ((actualOptions == null ? void 0 : actualOptions[key]) !== pluginOptions[key]) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
getPluginOption(plugin, name) {
|
|
var _this$plugins$get;
|
|
return (_this$plugins$get = this.plugins.get(plugin)) == null ? void 0 : _this$plugins$get[name];
|
|
}
|
|
}
|
|
function setTrailingComments(node, comments) {
|
|
if (node.trailingComments === undefined) {
|
|
node.trailingComments = comments;
|
|
} else {
|
|
node.trailingComments.unshift(...comments);
|
|
}
|
|
}
|
|
function setLeadingComments(node, comments) {
|
|
if (node.leadingComments === undefined) {
|
|
node.leadingComments = comments;
|
|
} else {
|
|
node.leadingComments.unshift(...comments);
|
|
}
|
|
}
|
|
function setInnerComments(node, comments) {
|
|
if (node.innerComments === undefined) {
|
|
node.innerComments = comments;
|
|
} else {
|
|
node.innerComments.unshift(...comments);
|
|
}
|
|
}
|
|
function adjustInnerComments(node, elements, commentWS) {
|
|
let lastElement = null;
|
|
let i = elements.length;
|
|
while (lastElement === null && i > 0) {
|
|
lastElement = elements[--i];
|
|
}
|
|
if (lastElement === null || lastElement.start > commentWS.start) {
|
|
setInnerComments(node, commentWS.comments);
|
|
} else {
|
|
setTrailingComments(lastElement, commentWS.comments);
|
|
}
|
|
}
|
|
class CommentsParser extends BaseParser {
|
|
addComment(comment) {
|
|
if (this.filename) comment.loc.filename = this.filename;
|
|
const {
|
|
commentsLen
|
|
} = this.state;
|
|
if (this.comments.length != commentsLen) this.comments.length = commentsLen;
|
|
this.comments.push(comment);
|
|
this.state.commentsLen++;
|
|
}
|
|
processComment(node) {
|
|
const {
|
|
commentStack
|
|
} = this.state;
|
|
const commentStackLength = commentStack.length;
|
|
if (commentStackLength === 0) return;
|
|
let i = commentStackLength - 1;
|
|
const lastCommentWS = commentStack[i];
|
|
if (lastCommentWS.start === node.end) {
|
|
lastCommentWS.leadingNode = node;
|
|
i--;
|
|
}
|
|
const {
|
|
start: nodeStart
|
|
} = node;
|
|
for (; i >= 0; i--) {
|
|
const commentWS = commentStack[i];
|
|
const commentEnd = commentWS.end;
|
|
if (commentEnd > nodeStart) {
|
|
commentWS.containingNode = node;
|
|
this.finalizeComment(commentWS);
|
|
commentStack.splice(i, 1);
|
|
} else {
|
|
if (commentEnd === nodeStart) {
|
|
commentWS.trailingNode = node;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
finalizeComment(commentWS) {
|
|
const {
|
|
comments
|
|
} = commentWS;
|
|
if (commentWS.leadingNode !== null || commentWS.trailingNode !== null) {
|
|
if (commentWS.leadingNode !== null) {
|
|
setTrailingComments(commentWS.leadingNode, comments);
|
|
}
|
|
if (commentWS.trailingNode !== null) {
|
|
setLeadingComments(commentWS.trailingNode, comments);
|
|
}
|
|
} else {
|
|
const {
|
|
containingNode: node,
|
|
start: commentStart
|
|
} = commentWS;
|
|
if (this.input.charCodeAt(commentStart - 1) === 44) {
|
|
switch (node.type) {
|
|
case "ObjectExpression":
|
|
case "ObjectPattern":
|
|
case "RecordExpression":
|
|
adjustInnerComments(node, node.properties, commentWS);
|
|
break;
|
|
case "CallExpression":
|
|
case "OptionalCallExpression":
|
|
adjustInnerComments(node, node.arguments, commentWS);
|
|
break;
|
|
case "FunctionDeclaration":
|
|
case "FunctionExpression":
|
|
case "ArrowFunctionExpression":
|
|
case "ObjectMethod":
|
|
case "ClassMethod":
|
|
case "ClassPrivateMethod":
|
|
adjustInnerComments(node, node.params, commentWS);
|
|
break;
|
|
case "ArrayExpression":
|
|
case "ArrayPattern":
|
|
case "TupleExpression":
|
|
adjustInnerComments(node, node.elements, commentWS);
|
|
break;
|
|
case "ExportNamedDeclaration":
|
|
case "ImportDeclaration":
|
|
adjustInnerComments(node, node.specifiers, commentWS);
|
|
break;
|
|
default:
|
|
{
|
|
setInnerComments(node, comments);
|
|
}
|
|
}
|
|
} else {
|
|
setInnerComments(node, comments);
|
|
}
|
|
}
|
|
}
|
|
finalizeRemainingComments() {
|
|
const {
|
|
commentStack
|
|
} = this.state;
|
|
for (let i = commentStack.length - 1; i >= 0; i--) {
|
|
this.finalizeComment(commentStack[i]);
|
|
}
|
|
this.state.commentStack = [];
|
|
}
|
|
resetPreviousNodeTrailingComments(node) {
|
|
const {
|
|
commentStack
|
|
} = this.state;
|
|
const {
|
|
length
|
|
} = commentStack;
|
|
if (length === 0) return;
|
|
const commentWS = commentStack[length - 1];
|
|
if (commentWS.leadingNode === node) {
|
|
commentWS.leadingNode = null;
|
|
}
|
|
}
|
|
resetPreviousIdentifierLeadingComments(node) {
|
|
const {
|
|
commentStack
|
|
} = this.state;
|
|
const {
|
|
length
|
|
} = commentStack;
|
|
if (length === 0) return;
|
|
if (commentStack[length - 1].trailingNode === node) {
|
|
commentStack[length - 1].trailingNode = null;
|
|
} else if (length >= 2 && commentStack[length - 2].trailingNode === node) {
|
|
commentStack[length - 2].trailingNode = null;
|
|
}
|
|
}
|
|
takeSurroundingComments(node, start, end) {
|
|
const {
|
|
commentStack
|
|
} = this.state;
|
|
const commentStackLength = commentStack.length;
|
|
if (commentStackLength === 0) return;
|
|
let i = commentStackLength - 1;
|
|
for (; i >= 0; i--) {
|
|
const commentWS = commentStack[i];
|
|
const commentEnd = commentWS.end;
|
|
const commentStart = commentWS.start;
|
|
if (commentStart === end) {
|
|
commentWS.leadingNode = node;
|
|
} else if (commentEnd === start) {
|
|
commentWS.trailingNode = node;
|
|
} else if (commentEnd < start) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
const lineBreak = /\r\n?|[\n\u2028\u2029]/;
|
|
const lineBreakG = new RegExp(lineBreak.source, "g");
|
|
function isNewLine(code) {
|
|
switch (code) {
|
|
case 10:
|
|
case 13:
|
|
case 8232:
|
|
case 8233:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
const skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g;
|
|
const skipWhiteSpaceInLine = /(?:[^\S\n\r\u2028\u2029]|\/\/.*|\/\*.*?\*\/)*/g;
|
|
const skipWhiteSpaceToLineBreak = new RegExp("(?=(" + skipWhiteSpaceInLine.source + "))\\1" + /(?=[\n\r\u2028\u2029]|\/\*(?!.*?\*\/)|$)/.source, "y");
|
|
function isWhitespace(code) {
|
|
switch (code) {
|
|
case 0x0009:
|
|
case 0x000b:
|
|
case 0x000c:
|
|
case 32:
|
|
case 160:
|
|
case 5760:
|
|
case 0x2000:
|
|
case 0x2001:
|
|
case 0x2002:
|
|
case 0x2003:
|
|
case 0x2004:
|
|
case 0x2005:
|
|
case 0x2006:
|
|
case 0x2007:
|
|
case 0x2008:
|
|
case 0x2009:
|
|
case 0x200a:
|
|
case 0x202f:
|
|
case 0x205f:
|
|
case 0x3000:
|
|
case 0xfeff:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
class State {
|
|
constructor() {
|
|
this.flags = 1024;
|
|
this.curLine = void 0;
|
|
this.lineStart = void 0;
|
|
this.startLoc = void 0;
|
|
this.endLoc = void 0;
|
|
this.errors = [];
|
|
this.potentialArrowAt = -1;
|
|
this.noArrowAt = [];
|
|
this.noArrowParamsConversionAt = [];
|
|
this.topicContext = {
|
|
maxNumOfResolvableTopics: 0,
|
|
maxTopicIndex: null
|
|
};
|
|
this.labels = [];
|
|
this.commentsLen = 0;
|
|
this.commentStack = [];
|
|
this.pos = 0;
|
|
this.type = 139;
|
|
this.value = null;
|
|
this.start = 0;
|
|
this.end = 0;
|
|
this.lastTokEndLoc = null;
|
|
this.lastTokStartLoc = null;
|
|
this.context = [types.brace];
|
|
this.firstInvalidTemplateEscapePos = null;
|
|
this.strictErrors = new Map();
|
|
this.tokensLength = 0;
|
|
}
|
|
get strict() {
|
|
return (this.flags & 1) > 0;
|
|
}
|
|
set strict(value) {
|
|
if (value) {
|
|
this.flags |= 1;
|
|
} else {
|
|
this.flags &= ~1;
|
|
}
|
|
}
|
|
init({
|
|
strictMode,
|
|
sourceType,
|
|
startLine,
|
|
startColumn
|
|
}) {
|
|
this.strict = strictMode === false ? false : strictMode === true ? true : sourceType === "module";
|
|
this.curLine = startLine;
|
|
this.lineStart = -startColumn;
|
|
this.startLoc = this.endLoc = new Position(startLine, startColumn, 0);
|
|
}
|
|
get maybeInArrowParameters() {
|
|
return (this.flags & 2) > 0;
|
|
}
|
|
set maybeInArrowParameters(value) {
|
|
if (value) {
|
|
this.flags |= 2;
|
|
} else {
|
|
this.flags &= ~2;
|
|
}
|
|
}
|
|
get inType() {
|
|
return (this.flags & 4) > 0;
|
|
}
|
|
set inType(value) {
|
|
if (value) {
|
|
this.flags |= 4;
|
|
} else {
|
|
this.flags &= ~4;
|
|
}
|
|
}
|
|
get noAnonFunctionType() {
|
|
return (this.flags & 8) > 0;
|
|
}
|
|
set noAnonFunctionType(value) {
|
|
if (value) {
|
|
this.flags |= 8;
|
|
} else {
|
|
this.flags &= ~8;
|
|
}
|
|
}
|
|
get hasFlowComment() {
|
|
return (this.flags & 16) > 0;
|
|
}
|
|
set hasFlowComment(value) {
|
|
if (value) {
|
|
this.flags |= 16;
|
|
} else {
|
|
this.flags &= ~16;
|
|
}
|
|
}
|
|
get isAmbientContext() {
|
|
return (this.flags & 32) > 0;
|
|
}
|
|
set isAmbientContext(value) {
|
|
if (value) {
|
|
this.flags |= 32;
|
|
} else {
|
|
this.flags &= ~32;
|
|
}
|
|
}
|
|
get inAbstractClass() {
|
|
return (this.flags & 64) > 0;
|
|
}
|
|
set inAbstractClass(value) {
|
|
if (value) {
|
|
this.flags |= 64;
|
|
} else {
|
|
this.flags &= ~64;
|
|
}
|
|
}
|
|
get inDisallowConditionalTypesContext() {
|
|
return (this.flags & 128) > 0;
|
|
}
|
|
set inDisallowConditionalTypesContext(value) {
|
|
if (value) {
|
|
this.flags |= 128;
|
|
} else {
|
|
this.flags &= ~128;
|
|
}
|
|
}
|
|
get soloAwait() {
|
|
return (this.flags & 256) > 0;
|
|
}
|
|
set soloAwait(value) {
|
|
if (value) {
|
|
this.flags |= 256;
|
|
} else {
|
|
this.flags &= ~256;
|
|
}
|
|
}
|
|
get inFSharpPipelineDirectBody() {
|
|
return (this.flags & 512) > 0;
|
|
}
|
|
set inFSharpPipelineDirectBody(value) {
|
|
if (value) {
|
|
this.flags |= 512;
|
|
} else {
|
|
this.flags &= ~512;
|
|
}
|
|
}
|
|
get canStartJSXElement() {
|
|
return (this.flags & 1024) > 0;
|
|
}
|
|
set canStartJSXElement(value) {
|
|
if (value) {
|
|
this.flags |= 1024;
|
|
} else {
|
|
this.flags &= ~1024;
|
|
}
|
|
}
|
|
get containsEsc() {
|
|
return (this.flags & 2048) > 0;
|
|
}
|
|
set containsEsc(value) {
|
|
if (value) {
|
|
this.flags |= 2048;
|
|
} else {
|
|
this.flags &= ~2048;
|
|
}
|
|
}
|
|
curPosition() {
|
|
return new Position(this.curLine, this.pos - this.lineStart, this.pos);
|
|
}
|
|
clone() {
|
|
const state = new State();
|
|
state.flags = this.flags;
|
|
state.curLine = this.curLine;
|
|
state.lineStart = this.lineStart;
|
|
state.startLoc = this.startLoc;
|
|
state.endLoc = this.endLoc;
|
|
state.errors = this.errors.slice();
|
|
state.potentialArrowAt = this.potentialArrowAt;
|
|
state.noArrowAt = this.noArrowAt.slice();
|
|
state.noArrowParamsConversionAt = this.noArrowParamsConversionAt.slice();
|
|
state.topicContext = this.topicContext;
|
|
state.labels = this.labels.slice();
|
|
state.commentsLen = this.commentsLen;
|
|
state.commentStack = this.commentStack.slice();
|
|
state.pos = this.pos;
|
|
state.type = this.type;
|
|
state.value = this.value;
|
|
state.start = this.start;
|
|
state.end = this.end;
|
|
state.lastTokEndLoc = this.lastTokEndLoc;
|
|
state.lastTokStartLoc = this.lastTokStartLoc;
|
|
state.context = this.context.slice();
|
|
state.firstInvalidTemplateEscapePos = this.firstInvalidTemplateEscapePos;
|
|
state.strictErrors = this.strictErrors;
|
|
state.tokensLength = this.tokensLength;
|
|
return state;
|
|
}
|
|
}
|
|
var _isDigit = function isDigit(code) {
|
|
return code >= 48 && code <= 57;
|
|
};
|
|
const forbiddenNumericSeparatorSiblings = {
|
|
decBinOct: new Set([46, 66, 69, 79, 95, 98, 101, 111]),
|
|
hex: new Set([46, 88, 95, 120])
|
|
};
|
|
const isAllowedNumericSeparatorSibling = {
|
|
bin: ch => ch === 48 || ch === 49,
|
|
oct: ch => ch >= 48 && ch <= 55,
|
|
dec: ch => ch >= 48 && ch <= 57,
|
|
hex: ch => ch >= 48 && ch <= 57 || ch >= 65 && ch <= 70 || ch >= 97 && ch <= 102
|
|
};
|
|
function readStringContents(type, input, pos, lineStart, curLine, errors) {
|
|
const initialPos = pos;
|
|
const initialLineStart = lineStart;
|
|
const initialCurLine = curLine;
|
|
let out = "";
|
|
let firstInvalidLoc = null;
|
|
let chunkStart = pos;
|
|
const {
|
|
length
|
|
} = input;
|
|
for (;;) {
|
|
if (pos >= length) {
|
|
errors.unterminated(initialPos, initialLineStart, initialCurLine);
|
|
out += input.slice(chunkStart, pos);
|
|
break;
|
|
}
|
|
const ch = input.charCodeAt(pos);
|
|
if (isStringEnd(type, ch, input, pos)) {
|
|
out += input.slice(chunkStart, pos);
|
|
break;
|
|
}
|
|
if (ch === 92) {
|
|
out += input.slice(chunkStart, pos);
|
|
const res = readEscapedChar(input, pos, lineStart, curLine, type === "template", errors);
|
|
if (res.ch === null && !firstInvalidLoc) {
|
|
firstInvalidLoc = {
|
|
pos,
|
|
lineStart,
|
|
curLine
|
|
};
|
|
} else {
|
|
out += res.ch;
|
|
}
|
|
({
|
|
pos,
|
|
lineStart,
|
|
curLine
|
|
} = res);
|
|
chunkStart = pos;
|
|
} else if (ch === 8232 || ch === 8233) {
|
|
++pos;
|
|
++curLine;
|
|
lineStart = pos;
|
|
} else if (ch === 10 || ch === 13) {
|
|
if (type === "template") {
|
|
out += input.slice(chunkStart, pos) + "\n";
|
|
++pos;
|
|
if (ch === 13 && input.charCodeAt(pos) === 10) {
|
|
++pos;
|
|
}
|
|
++curLine;
|
|
chunkStart = lineStart = pos;
|
|
} else {
|
|
errors.unterminated(initialPos, initialLineStart, initialCurLine);
|
|
}
|
|
} else {
|
|
++pos;
|
|
}
|
|
}
|
|
return {
|
|
pos,
|
|
str: out,
|
|
firstInvalidLoc,
|
|
lineStart,
|
|
curLine,
|
|
containsInvalid: !!firstInvalidLoc
|
|
};
|
|
}
|
|
function isStringEnd(type, ch, input, pos) {
|
|
if (type === "template") {
|
|
return ch === 96 || ch === 36 && input.charCodeAt(pos + 1) === 123;
|
|
}
|
|
return ch === (type === "double" ? 34 : 39);
|
|
}
|
|
function readEscapedChar(input, pos, lineStart, curLine, inTemplate, errors) {
|
|
const throwOnInvalid = !inTemplate;
|
|
pos++;
|
|
const res = ch => ({
|
|
pos,
|
|
ch,
|
|
lineStart,
|
|
curLine
|
|
});
|
|
const ch = input.charCodeAt(pos++);
|
|
switch (ch) {
|
|
case 110:
|
|
return res("\n");
|
|
case 114:
|
|
return res("\r");
|
|
case 120:
|
|
{
|
|
let code;
|
|
({
|
|
code,
|
|
pos
|
|
} = readHexChar(input, pos, lineStart, curLine, 2, false, throwOnInvalid, errors));
|
|
return res(code === null ? null : String.fromCharCode(code));
|
|
}
|
|
case 117:
|
|
{
|
|
let code;
|
|
({
|
|
code,
|
|
pos
|
|
} = readCodePoint(input, pos, lineStart, curLine, throwOnInvalid, errors));
|
|
return res(code === null ? null : String.fromCodePoint(code));
|
|
}
|
|
case 116:
|
|
return res("\t");
|
|
case 98:
|
|
return res("\b");
|
|
case 118:
|
|
return res("\u000b");
|
|
case 102:
|
|
return res("\f");
|
|
case 13:
|
|
if (input.charCodeAt(pos) === 10) {
|
|
++pos;
|
|
}
|
|
case 10:
|
|
lineStart = pos;
|
|
++curLine;
|
|
case 8232:
|
|
case 8233:
|
|
return res("");
|
|
case 56:
|
|
case 57:
|
|
if (inTemplate) {
|
|
return res(null);
|
|
} else {
|
|
errors.strictNumericEscape(pos - 1, lineStart, curLine);
|
|
}
|
|
default:
|
|
if (ch >= 48 && ch <= 55) {
|
|
const startPos = pos - 1;
|
|
const match = input.slice(startPos, pos + 2).match(/^[0-7]+/);
|
|
let octalStr = match[0];
|
|
let octal = parseInt(octalStr, 8);
|
|
if (octal > 255) {
|
|
octalStr = octalStr.slice(0, -1);
|
|
octal = parseInt(octalStr, 8);
|
|
}
|
|
pos += octalStr.length - 1;
|
|
const next = input.charCodeAt(pos);
|
|
if (octalStr !== "0" || next === 56 || next === 57) {
|
|
if (inTemplate) {
|
|
return res(null);
|
|
} else {
|
|
errors.strictNumericEscape(startPos, lineStart, curLine);
|
|
}
|
|
}
|
|
return res(String.fromCharCode(octal));
|
|
}
|
|
return res(String.fromCharCode(ch));
|
|
}
|
|
}
|
|
function readHexChar(input, pos, lineStart, curLine, len, forceLen, throwOnInvalid, errors) {
|
|
const initialPos = pos;
|
|
let n;
|
|
({
|
|
n,
|
|
pos
|
|
} = readInt(input, pos, lineStart, curLine, 16, len, forceLen, false, errors, !throwOnInvalid));
|
|
if (n === null) {
|
|
if (throwOnInvalid) {
|
|
errors.invalidEscapeSequence(initialPos, lineStart, curLine);
|
|
} else {
|
|
pos = initialPos - 1;
|
|
}
|
|
}
|
|
return {
|
|
code: n,
|
|
pos
|
|
};
|
|
}
|
|
function readInt(input, pos, lineStart, curLine, radix, len, forceLen, allowNumSeparator, errors, bailOnError) {
|
|
const start = pos;
|
|
const forbiddenSiblings = radix === 16 ? forbiddenNumericSeparatorSiblings.hex : forbiddenNumericSeparatorSiblings.decBinOct;
|
|
const isAllowedSibling = radix === 16 ? isAllowedNumericSeparatorSibling.hex : radix === 10 ? isAllowedNumericSeparatorSibling.dec : radix === 8 ? isAllowedNumericSeparatorSibling.oct : isAllowedNumericSeparatorSibling.bin;
|
|
let invalid = false;
|
|
let total = 0;
|
|
for (let i = 0, e = len == null ? Infinity : len; i < e; ++i) {
|
|
const code = input.charCodeAt(pos);
|
|
let val;
|
|
if (code === 95 && allowNumSeparator !== "bail") {
|
|
const prev = input.charCodeAt(pos - 1);
|
|
const next = input.charCodeAt(pos + 1);
|
|
if (!allowNumSeparator) {
|
|
if (bailOnError) return {
|
|
n: null,
|
|
pos
|
|
};
|
|
errors.numericSeparatorInEscapeSequence(pos, lineStart, curLine);
|
|
} else if (Number.isNaN(next) || !isAllowedSibling(next) || forbiddenSiblings.has(prev) || forbiddenSiblings.has(next)) {
|
|
if (bailOnError) return {
|
|
n: null,
|
|
pos
|
|
};
|
|
errors.unexpectedNumericSeparator(pos, lineStart, curLine);
|
|
}
|
|
++pos;
|
|
continue;
|
|
}
|
|
if (code >= 97) {
|
|
val = code - 97 + 10;
|
|
} else if (code >= 65) {
|
|
val = code - 65 + 10;
|
|
} else if (_isDigit(code)) {
|
|
val = code - 48;
|
|
} else {
|
|
val = Infinity;
|
|
}
|
|
if (val >= radix) {
|
|
if (val <= 9 && bailOnError) {
|
|
return {
|
|
n: null,
|
|
pos
|
|
};
|
|
} else if (val <= 9 && errors.invalidDigit(pos, lineStart, curLine, radix)) {
|
|
val = 0;
|
|
} else if (forceLen) {
|
|
val = 0;
|
|
invalid = true;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
++pos;
|
|
total = total * radix + val;
|
|
}
|
|
if (pos === start || len != null && pos - start !== len || invalid) {
|
|
return {
|
|
n: null,
|
|
pos
|
|
};
|
|
}
|
|
return {
|
|
n: total,
|
|
pos
|
|
};
|
|
}
|
|
function readCodePoint(input, pos, lineStart, curLine, throwOnInvalid, errors) {
|
|
const ch = input.charCodeAt(pos);
|
|
let code;
|
|
if (ch === 123) {
|
|
++pos;
|
|
({
|
|
code,
|
|
pos
|
|
} = readHexChar(input, pos, lineStart, curLine, input.indexOf("}", pos) - pos, true, throwOnInvalid, errors));
|
|
++pos;
|
|
if (code !== null && code > 0x10ffff) {
|
|
if (throwOnInvalid) {
|
|
errors.invalidCodePoint(pos, lineStart, curLine);
|
|
} else {
|
|
return {
|
|
code: null,
|
|
pos
|
|
};
|
|
}
|
|
}
|
|
} else {
|
|
({
|
|
code,
|
|
pos
|
|
} = readHexChar(input, pos, lineStart, curLine, 4, false, throwOnInvalid, errors));
|
|
}
|
|
return {
|
|
code,
|
|
pos
|
|
};
|
|
}
|
|
function buildPosition(pos, lineStart, curLine) {
|
|
return new Position(curLine, pos - lineStart, pos);
|
|
}
|
|
const VALID_REGEX_FLAGS = new Set([103, 109, 115, 105, 121, 117, 100, 118]);
|
|
class Token {
|
|
constructor(state) {
|
|
this.type = state.type;
|
|
this.value = state.value;
|
|
this.start = state.start;
|
|
this.end = state.end;
|
|
this.loc = new SourceLocation(state.startLoc, state.endLoc);
|
|
}
|
|
}
|
|
class Tokenizer extends CommentsParser {
|
|
constructor(options, input) {
|
|
super();
|
|
this.isLookahead = void 0;
|
|
this.tokens = [];
|
|
this.errorHandlers_readInt = {
|
|
invalidDigit: (pos, lineStart, curLine, radix) => {
|
|
if (!this.options.errorRecovery) return false;
|
|
this.raise(Errors.InvalidDigit, buildPosition(pos, lineStart, curLine), {
|
|
radix
|
|
});
|
|
return true;
|
|
},
|
|
numericSeparatorInEscapeSequence: this.errorBuilder(Errors.NumericSeparatorInEscapeSequence),
|
|
unexpectedNumericSeparator: this.errorBuilder(Errors.UnexpectedNumericSeparator)
|
|
};
|
|
this.errorHandlers_readCodePoint = Object.assign({}, this.errorHandlers_readInt, {
|
|
invalidEscapeSequence: this.errorBuilder(Errors.InvalidEscapeSequence),
|
|
invalidCodePoint: this.errorBuilder(Errors.InvalidCodePoint)
|
|
});
|
|
this.errorHandlers_readStringContents_string = Object.assign({}, this.errorHandlers_readCodePoint, {
|
|
strictNumericEscape: (pos, lineStart, curLine) => {
|
|
this.recordStrictModeErrors(Errors.StrictNumericEscape, buildPosition(pos, lineStart, curLine));
|
|
},
|
|
unterminated: (pos, lineStart, curLine) => {
|
|
throw this.raise(Errors.UnterminatedString, buildPosition(pos - 1, lineStart, curLine));
|
|
}
|
|
});
|
|
this.errorHandlers_readStringContents_template = Object.assign({}, this.errorHandlers_readCodePoint, {
|
|
strictNumericEscape: this.errorBuilder(Errors.StrictNumericEscape),
|
|
unterminated: (pos, lineStart, curLine) => {
|
|
throw this.raise(Errors.UnterminatedTemplate, buildPosition(pos, lineStart, curLine));
|
|
}
|
|
});
|
|
this.state = new State();
|
|
this.state.init(options);
|
|
this.input = input;
|
|
this.length = input.length;
|
|
this.comments = [];
|
|
this.isLookahead = false;
|
|
}
|
|
pushToken(token) {
|
|
this.tokens.length = this.state.tokensLength;
|
|
this.tokens.push(token);
|
|
++this.state.tokensLength;
|
|
}
|
|
next() {
|
|
this.checkKeywordEscapes();
|
|
if (this.options.tokens) {
|
|
this.pushToken(new Token(this.state));
|
|
}
|
|
this.state.lastTokEndLoc = this.state.endLoc;
|
|
this.state.lastTokStartLoc = this.state.startLoc;
|
|
this.nextToken();
|
|
}
|
|
eat(type) {
|
|
if (this.match(type)) {
|
|
this.next();
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
match(type) {
|
|
return this.state.type === type;
|
|
}
|
|
createLookaheadState(state) {
|
|
return {
|
|
pos: state.pos,
|
|
value: null,
|
|
type: state.type,
|
|
start: state.start,
|
|
end: state.end,
|
|
context: [this.curContext()],
|
|
inType: state.inType,
|
|
startLoc: state.startLoc,
|
|
lastTokEndLoc: state.lastTokEndLoc,
|
|
curLine: state.curLine,
|
|
lineStart: state.lineStart,
|
|
curPosition: state.curPosition
|
|
};
|
|
}
|
|
lookahead() {
|
|
const old = this.state;
|
|
this.state = this.createLookaheadState(old);
|
|
this.isLookahead = true;
|
|
this.nextToken();
|
|
this.isLookahead = false;
|
|
const curr = this.state;
|
|
this.state = old;
|
|
return curr;
|
|
}
|
|
nextTokenStart() {
|
|
return this.nextTokenStartSince(this.state.pos);
|
|
}
|
|
nextTokenStartSince(pos) {
|
|
skipWhiteSpace.lastIndex = pos;
|
|
return skipWhiteSpace.test(this.input) ? skipWhiteSpace.lastIndex : pos;
|
|
}
|
|
lookaheadCharCode() {
|
|
return this.input.charCodeAt(this.nextTokenStart());
|
|
}
|
|
nextTokenInLineStart() {
|
|
return this.nextTokenInLineStartSince(this.state.pos);
|
|
}
|
|
nextTokenInLineStartSince(pos) {
|
|
skipWhiteSpaceInLine.lastIndex = pos;
|
|
return skipWhiteSpaceInLine.test(this.input) ? skipWhiteSpaceInLine.lastIndex : pos;
|
|
}
|
|
lookaheadInLineCharCode() {
|
|
return this.input.charCodeAt(this.nextTokenInLineStart());
|
|
}
|
|
codePointAtPos(pos) {
|
|
let cp = this.input.charCodeAt(pos);
|
|
if ((cp & 0xfc00) === 0xd800 && ++pos < this.input.length) {
|
|
const trail = this.input.charCodeAt(pos);
|
|
if ((trail & 0xfc00) === 0xdc00) {
|
|
cp = 0x10000 + ((cp & 0x3ff) << 10) + (trail & 0x3ff);
|
|
}
|
|
}
|
|
return cp;
|
|
}
|
|
setStrict(strict) {
|
|
this.state.strict = strict;
|
|
if (strict) {
|
|
this.state.strictErrors.forEach(([toParseError, at]) => this.raise(toParseError, at));
|
|
this.state.strictErrors.clear();
|
|
}
|
|
}
|
|
curContext() {
|
|
return this.state.context[this.state.context.length - 1];
|
|
}
|
|
nextToken() {
|
|
this.skipSpace();
|
|
this.state.start = this.state.pos;
|
|
if (!this.isLookahead) this.state.startLoc = this.state.curPosition();
|
|
if (this.state.pos >= this.length) {
|
|
this.finishToken(139);
|
|
return;
|
|
}
|
|
this.getTokenFromCode(this.codePointAtPos(this.state.pos));
|
|
}
|
|
skipBlockComment(commentEnd) {
|
|
let startLoc;
|
|
if (!this.isLookahead) startLoc = this.state.curPosition();
|
|
const start = this.state.pos;
|
|
const end = this.input.indexOf(commentEnd, start + 2);
|
|
if (end === -1) {
|
|
throw this.raise(Errors.UnterminatedComment, this.state.curPosition());
|
|
}
|
|
this.state.pos = end + commentEnd.length;
|
|
lineBreakG.lastIndex = start + 2;
|
|
while (lineBreakG.test(this.input) && lineBreakG.lastIndex <= end) {
|
|
++this.state.curLine;
|
|
this.state.lineStart = lineBreakG.lastIndex;
|
|
}
|
|
if (this.isLookahead) return;
|
|
const comment = {
|
|
type: "CommentBlock",
|
|
value: this.input.slice(start + 2, end),
|
|
start,
|
|
end: end + commentEnd.length,
|
|
loc: new SourceLocation(startLoc, this.state.curPosition())
|
|
};
|
|
if (this.options.tokens) this.pushToken(comment);
|
|
return comment;
|
|
}
|
|
skipLineComment(startSkip) {
|
|
const start = this.state.pos;
|
|
let startLoc;
|
|
if (!this.isLookahead) startLoc = this.state.curPosition();
|
|
let ch = this.input.charCodeAt(this.state.pos += startSkip);
|
|
if (this.state.pos < this.length) {
|
|
while (!isNewLine(ch) && ++this.state.pos < this.length) {
|
|
ch = this.input.charCodeAt(this.state.pos);
|
|
}
|
|
}
|
|
if (this.isLookahead) return;
|
|
const end = this.state.pos;
|
|
const value = this.input.slice(start + startSkip, end);
|
|
const comment = {
|
|
type: "CommentLine",
|
|
value,
|
|
start,
|
|
end,
|
|
loc: new SourceLocation(startLoc, this.state.curPosition())
|
|
};
|
|
if (this.options.tokens) this.pushToken(comment);
|
|
return comment;
|
|
}
|
|
skipSpace() {
|
|
const spaceStart = this.state.pos;
|
|
const comments = [];
|
|
loop: while (this.state.pos < this.length) {
|
|
const ch = this.input.charCodeAt(this.state.pos);
|
|
switch (ch) {
|
|
case 32:
|
|
case 160:
|
|
case 9:
|
|
++this.state.pos;
|
|
break;
|
|
case 13:
|
|
if (this.input.charCodeAt(this.state.pos + 1) === 10) {
|
|
++this.state.pos;
|
|
}
|
|
case 10:
|
|
case 8232:
|
|
case 8233:
|
|
++this.state.pos;
|
|
++this.state.curLine;
|
|
this.state.lineStart = this.state.pos;
|
|
break;
|
|
case 47:
|
|
switch (this.input.charCodeAt(this.state.pos + 1)) {
|
|
case 42:
|
|
{
|
|
const comment = this.skipBlockComment("*/");
|
|
if (comment !== undefined) {
|
|
this.addComment(comment);
|
|
if (this.options.attachComment) comments.push(comment);
|
|
}
|
|
break;
|
|
}
|
|
case 47:
|
|
{
|
|
const comment = this.skipLineComment(2);
|
|
if (comment !== undefined) {
|
|
this.addComment(comment);
|
|
if (this.options.attachComment) comments.push(comment);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
break loop;
|
|
}
|
|
break;
|
|
default:
|
|
if (isWhitespace(ch)) {
|
|
++this.state.pos;
|
|
} else if (ch === 45 && !this.inModule && this.options.annexB) {
|
|
const pos = this.state.pos;
|
|
if (this.input.charCodeAt(pos + 1) === 45 && this.input.charCodeAt(pos + 2) === 62 && (spaceStart === 0 || this.state.lineStart > spaceStart)) {
|
|
const comment = this.skipLineComment(3);
|
|
if (comment !== undefined) {
|
|
this.addComment(comment);
|
|
if (this.options.attachComment) comments.push(comment);
|
|
}
|
|
} else {
|
|
break loop;
|
|
}
|
|
} else if (ch === 60 && !this.inModule && this.options.annexB) {
|
|
const pos = this.state.pos;
|
|
if (this.input.charCodeAt(pos + 1) === 33 && this.input.charCodeAt(pos + 2) === 45 && this.input.charCodeAt(pos + 3) === 45) {
|
|
const comment = this.skipLineComment(4);
|
|
if (comment !== undefined) {
|
|
this.addComment(comment);
|
|
if (this.options.attachComment) comments.push(comment);
|
|
}
|
|
} else {
|
|
break loop;
|
|
}
|
|
} else {
|
|
break loop;
|
|
}
|
|
}
|
|
}
|
|
if (comments.length > 0) {
|
|
const end = this.state.pos;
|
|
const commentWhitespace = {
|
|
start: spaceStart,
|
|
end,
|
|
comments,
|
|
leadingNode: null,
|
|
trailingNode: null,
|
|
containingNode: null
|
|
};
|
|
this.state.commentStack.push(commentWhitespace);
|
|
}
|
|
}
|
|
finishToken(type, val) {
|
|
this.state.end = this.state.pos;
|
|
this.state.endLoc = this.state.curPosition();
|
|
const prevType = this.state.type;
|
|
this.state.type = type;
|
|
this.state.value = val;
|
|
if (!this.isLookahead) {
|
|
this.updateContext(prevType);
|
|
}
|
|
}
|
|
replaceToken(type) {
|
|
this.state.type = type;
|
|
this.updateContext();
|
|
}
|
|
readToken_numberSign() {
|
|
if (this.state.pos === 0 && this.readToken_interpreter()) {
|
|
return;
|
|
}
|
|
const nextPos = this.state.pos + 1;
|
|
const next = this.codePointAtPos(nextPos);
|
|
if (next >= 48 && next <= 57) {
|
|
throw this.raise(Errors.UnexpectedDigitAfterHash, this.state.curPosition());
|
|
}
|
|
if (next === 123 || next === 91 && this.hasPlugin("recordAndTuple")) {
|
|
this.expectPlugin("recordAndTuple");
|
|
if (this.getPluginOption("recordAndTuple", "syntaxType") === "bar") {
|
|
throw this.raise(next === 123 ? Errors.RecordExpressionHashIncorrectStartSyntaxType : Errors.TupleExpressionHashIncorrectStartSyntaxType, this.state.curPosition());
|
|
}
|
|
this.state.pos += 2;
|
|
if (next === 123) {
|
|
this.finishToken(7);
|
|
} else {
|
|
this.finishToken(1);
|
|
}
|
|
} else if (isIdentifierStart(next)) {
|
|
++this.state.pos;
|
|
this.finishToken(138, this.readWord1(next));
|
|
} else if (next === 92) {
|
|
++this.state.pos;
|
|
this.finishToken(138, this.readWord1());
|
|
} else {
|
|
this.finishOp(27, 1);
|
|
}
|
|
}
|
|
readToken_dot() {
|
|
const next = this.input.charCodeAt(this.state.pos + 1);
|
|
if (next >= 48 && next <= 57) {
|
|
this.readNumber(true);
|
|
return;
|
|
}
|
|
if (next === 46 && this.input.charCodeAt(this.state.pos + 2) === 46) {
|
|
this.state.pos += 3;
|
|
this.finishToken(21);
|
|
} else {
|
|
++this.state.pos;
|
|
this.finishToken(16);
|
|
}
|
|
}
|
|
readToken_slash() {
|
|
const next = this.input.charCodeAt(this.state.pos + 1);
|
|
if (next === 61) {
|
|
this.finishOp(31, 2);
|
|
} else {
|
|
this.finishOp(56, 1);
|
|
}
|
|
}
|
|
readToken_interpreter() {
|
|
if (this.state.pos !== 0 || this.length < 2) return false;
|
|
let ch = this.input.charCodeAt(this.state.pos + 1);
|
|
if (ch !== 33) return false;
|
|
const start = this.state.pos;
|
|
this.state.pos += 1;
|
|
while (!isNewLine(ch) && ++this.state.pos < this.length) {
|
|
ch = this.input.charCodeAt(this.state.pos);
|
|
}
|
|
const value = this.input.slice(start + 2, this.state.pos);
|
|
this.finishToken(28, value);
|
|
return true;
|
|
}
|
|
readToken_mult_modulo(code) {
|
|
let type = code === 42 ? 55 : 54;
|
|
let width = 1;
|
|
let next = this.input.charCodeAt(this.state.pos + 1);
|
|
if (code === 42 && next === 42) {
|
|
width++;
|
|
next = this.input.charCodeAt(this.state.pos + 2);
|
|
type = 57;
|
|
}
|
|
if (next === 61 && !this.state.inType) {
|
|
width++;
|
|
type = code === 37 ? 33 : 30;
|
|
}
|
|
this.finishOp(type, width);
|
|
}
|
|
readToken_pipe_amp(code) {
|
|
const next = this.input.charCodeAt(this.state.pos + 1);
|
|
if (next === code) {
|
|
if (this.input.charCodeAt(this.state.pos + 2) === 61) {
|
|
this.finishOp(30, 3);
|
|
} else {
|
|
this.finishOp(code === 124 ? 41 : 42, 2);
|
|
}
|
|
return;
|
|
}
|
|
if (code === 124) {
|
|
if (next === 62) {
|
|
this.finishOp(39, 2);
|
|
return;
|
|
}
|
|
if (this.hasPlugin("recordAndTuple") && next === 125) {
|
|
if (this.getPluginOption("recordAndTuple", "syntaxType") !== "bar") {
|
|
throw this.raise(Errors.RecordExpressionBarIncorrectEndSyntaxType, this.state.curPosition());
|
|
}
|
|
this.state.pos += 2;
|
|
this.finishToken(9);
|
|
return;
|
|
}
|
|
if (this.hasPlugin("recordAndTuple") && next === 93) {
|
|
if (this.getPluginOption("recordAndTuple", "syntaxType") !== "bar") {
|
|
throw this.raise(Errors.TupleExpressionBarIncorrectEndSyntaxType, this.state.curPosition());
|
|
}
|
|
this.state.pos += 2;
|
|
this.finishToken(4);
|
|
return;
|
|
}
|
|
}
|
|
if (next === 61) {
|
|
this.finishOp(30, 2);
|
|
return;
|
|
}
|
|
this.finishOp(code === 124 ? 43 : 45, 1);
|
|
}
|
|
readToken_caret() {
|
|
const next = this.input.charCodeAt(this.state.pos + 1);
|
|
if (next === 61 && !this.state.inType) {
|
|
this.finishOp(32, 2);
|
|
} else if (next === 94 && this.hasPlugin(["pipelineOperator", {
|
|
proposal: "hack",
|
|
topicToken: "^^"
|
|
}])) {
|
|
this.finishOp(37, 2);
|
|
const lookaheadCh = this.input.codePointAt(this.state.pos);
|
|
if (lookaheadCh === 94) {
|
|
this.unexpected();
|
|
}
|
|
} else {
|
|
this.finishOp(44, 1);
|
|
}
|
|
}
|
|
readToken_atSign() {
|
|
const next = this.input.charCodeAt(this.state.pos + 1);
|
|
if (next === 64 && this.hasPlugin(["pipelineOperator", {
|
|
proposal: "hack",
|
|
topicToken: "@@"
|
|
}])) {
|
|
this.finishOp(38, 2);
|
|
} else {
|
|
this.finishOp(26, 1);
|
|
}
|
|
}
|
|
readToken_plus_min(code) {
|
|
const next = this.input.charCodeAt(this.state.pos + 1);
|
|
if (next === code) {
|
|
this.finishOp(34, 2);
|
|
return;
|
|
}
|
|
if (next === 61) {
|
|
this.finishOp(30, 2);
|
|
} else {
|
|
this.finishOp(53, 1);
|
|
}
|
|
}
|
|
readToken_lt() {
|
|
const {
|
|
pos
|
|
} = this.state;
|
|
const next = this.input.charCodeAt(pos + 1);
|
|
if (next === 60) {
|
|
if (this.input.charCodeAt(pos + 2) === 61) {
|
|
this.finishOp(30, 3);
|
|
return;
|
|
}
|
|
this.finishOp(51, 2);
|
|
return;
|
|
}
|
|
if (next === 61) {
|
|
this.finishOp(49, 2);
|
|
return;
|
|
}
|
|
this.finishOp(47, 1);
|
|
}
|
|
readToken_gt() {
|
|
const {
|
|
pos
|
|
} = this.state;
|
|
const next = this.input.charCodeAt(pos + 1);
|
|
if (next === 62) {
|
|
const size = this.input.charCodeAt(pos + 2) === 62 ? 3 : 2;
|
|
if (this.input.charCodeAt(pos + size) === 61) {
|
|
this.finishOp(30, size + 1);
|
|
return;
|
|
}
|
|
this.finishOp(52, size);
|
|
return;
|
|
}
|
|
if (next === 61) {
|
|
this.finishOp(49, 2);
|
|
return;
|
|
}
|
|
this.finishOp(48, 1);
|
|
}
|
|
readToken_eq_excl(code) {
|
|
const next = this.input.charCodeAt(this.state.pos + 1);
|
|
if (next === 61) {
|
|
this.finishOp(46, this.input.charCodeAt(this.state.pos + 2) === 61 ? 3 : 2);
|
|
return;
|
|
}
|
|
if (code === 61 && next === 62) {
|
|
this.state.pos += 2;
|
|
this.finishToken(19);
|
|
return;
|
|
}
|
|
this.finishOp(code === 61 ? 29 : 35, 1);
|
|
}
|
|
readToken_question() {
|
|
const next = this.input.charCodeAt(this.state.pos + 1);
|
|
const next2 = this.input.charCodeAt(this.state.pos + 2);
|
|
if (next === 63) {
|
|
if (next2 === 61) {
|
|
this.finishOp(30, 3);
|
|
} else {
|
|
this.finishOp(40, 2);
|
|
}
|
|
} else if (next === 46 && !(next2 >= 48 && next2 <= 57)) {
|
|
this.state.pos += 2;
|
|
this.finishToken(18);
|
|
} else {
|
|
++this.state.pos;
|
|
this.finishToken(17);
|
|
}
|
|
}
|
|
getTokenFromCode(code) {
|
|
switch (code) {
|
|
case 46:
|
|
this.readToken_dot();
|
|
return;
|
|
case 40:
|
|
++this.state.pos;
|
|
this.finishToken(10);
|
|
return;
|
|
case 41:
|
|
++this.state.pos;
|
|
this.finishToken(11);
|
|
return;
|
|
case 59:
|
|
++this.state.pos;
|
|
this.finishToken(13);
|
|
return;
|
|
case 44:
|
|
++this.state.pos;
|
|
this.finishToken(12);
|
|
return;
|
|
case 91:
|
|
if (this.hasPlugin("recordAndTuple") && this.input.charCodeAt(this.state.pos + 1) === 124) {
|
|
if (this.getPluginOption("recordAndTuple", "syntaxType") !== "bar") {
|
|
throw this.raise(Errors.TupleExpressionBarIncorrectStartSyntaxType, this.state.curPosition());
|
|
}
|
|
this.state.pos += 2;
|
|
this.finishToken(2);
|
|
} else {
|
|
++this.state.pos;
|
|
this.finishToken(0);
|
|
}
|
|
return;
|
|
case 93:
|
|
++this.state.pos;
|
|
this.finishToken(3);
|
|
return;
|
|
case 123:
|
|
if (this.hasPlugin("recordAndTuple") && this.input.charCodeAt(this.state.pos + 1) === 124) {
|
|
if (this.getPluginOption("recordAndTuple", "syntaxType") !== "bar") {
|
|
throw this.raise(Errors.RecordExpressionBarIncorrectStartSyntaxType, this.state.curPosition());
|
|
}
|
|
this.state.pos += 2;
|
|
this.finishToken(6);
|
|
} else {
|
|
++this.state.pos;
|
|
this.finishToken(5);
|
|
}
|
|
return;
|
|
case 125:
|
|
++this.state.pos;
|
|
this.finishToken(8);
|
|
return;
|
|
case 58:
|
|
if (this.hasPlugin("functionBind") && this.input.charCodeAt(this.state.pos + 1) === 58) {
|
|
this.finishOp(15, 2);
|
|
} else {
|
|
++this.state.pos;
|
|
this.finishToken(14);
|
|
}
|
|
return;
|
|
case 63:
|
|
this.readToken_question();
|
|
return;
|
|
case 96:
|
|
this.readTemplateToken();
|
|
return;
|
|
case 48:
|
|
{
|
|
const next = this.input.charCodeAt(this.state.pos + 1);
|
|
if (next === 120 || next === 88) {
|
|
this.readRadixNumber(16);
|
|
return;
|
|
}
|
|
if (next === 111 || next === 79) {
|
|
this.readRadixNumber(8);
|
|
return;
|
|
}
|
|
if (next === 98 || next === 66) {
|
|
this.readRadixNumber(2);
|
|
return;
|
|
}
|
|
}
|
|
case 49:
|
|
case 50:
|
|
case 51:
|
|
case 52:
|
|
case 53:
|
|
case 54:
|
|
case 55:
|
|
case 56:
|
|
case 57:
|
|
this.readNumber(false);
|
|
return;
|
|
case 34:
|
|
case 39:
|
|
this.readString(code);
|
|
return;
|
|
case 47:
|
|
this.readToken_slash();
|
|
return;
|
|
case 37:
|
|
case 42:
|
|
this.readToken_mult_modulo(code);
|
|
return;
|
|
case 124:
|
|
case 38:
|
|
this.readToken_pipe_amp(code);
|
|
return;
|
|
case 94:
|
|
this.readToken_caret();
|
|
return;
|
|
case 43:
|
|
case 45:
|
|
this.readToken_plus_min(code);
|
|
return;
|
|
case 60:
|
|
this.readToken_lt();
|
|
return;
|
|
case 62:
|
|
this.readToken_gt();
|
|
return;
|
|
case 61:
|
|
case 33:
|
|
this.readToken_eq_excl(code);
|
|
return;
|
|
case 126:
|
|
this.finishOp(36, 1);
|
|
return;
|
|
case 64:
|
|
this.readToken_atSign();
|
|
return;
|
|
case 35:
|
|
this.readToken_numberSign();
|
|
return;
|
|
case 92:
|
|
this.readWord();
|
|
return;
|
|
default:
|
|
if (isIdentifierStart(code)) {
|
|
this.readWord(code);
|
|
return;
|
|
}
|
|
}
|
|
throw this.raise(Errors.InvalidOrUnexpectedToken, this.state.curPosition(), {
|
|
unexpected: String.fromCodePoint(code)
|
|
});
|
|
}
|
|
finishOp(type, size) {
|
|
const str = this.input.slice(this.state.pos, this.state.pos + size);
|
|
this.state.pos += size;
|
|
this.finishToken(type, str);
|
|
}
|
|
readRegexp() {
|
|
const startLoc = this.state.startLoc;
|
|
const start = this.state.start + 1;
|
|
let escaped, inClass;
|
|
let {
|
|
pos
|
|
} = this.state;
|
|
for (;; ++pos) {
|
|
if (pos >= this.length) {
|
|
throw this.raise(Errors.UnterminatedRegExp, createPositionWithColumnOffset(startLoc, 1));
|
|
}
|
|
const ch = this.input.charCodeAt(pos);
|
|
if (isNewLine(ch)) {
|
|
throw this.raise(Errors.UnterminatedRegExp, createPositionWithColumnOffset(startLoc, 1));
|
|
}
|
|
if (escaped) {
|
|
escaped = false;
|
|
} else {
|
|
if (ch === 91) {
|
|
inClass = true;
|
|
} else if (ch === 93 && inClass) {
|
|
inClass = false;
|
|
} else if (ch === 47 && !inClass) {
|
|
break;
|
|
}
|
|
escaped = ch === 92;
|
|
}
|
|
}
|
|
const content = this.input.slice(start, pos);
|
|
++pos;
|
|
let mods = "";
|
|
const nextPos = () => createPositionWithColumnOffset(startLoc, pos + 2 - start);
|
|
while (pos < this.length) {
|
|
const cp = this.codePointAtPos(pos);
|
|
const char = String.fromCharCode(cp);
|
|
if (VALID_REGEX_FLAGS.has(cp)) {
|
|
if (cp === 118) {
|
|
if (mods.includes("u")) {
|
|
this.raise(Errors.IncompatibleRegExpUVFlags, nextPos());
|
|
}
|
|
} else if (cp === 117) {
|
|
if (mods.includes("v")) {
|
|
this.raise(Errors.IncompatibleRegExpUVFlags, nextPos());
|
|
}
|
|
}
|
|
if (mods.includes(char)) {
|
|
this.raise(Errors.DuplicateRegExpFlags, nextPos());
|
|
}
|
|
} else if (isIdentifierChar(cp) || cp === 92) {
|
|
this.raise(Errors.MalformedRegExpFlags, nextPos());
|
|
} else {
|
|
break;
|
|
}
|
|
++pos;
|
|
mods += char;
|
|
}
|
|
this.state.pos = pos;
|
|
this.finishToken(137, {
|
|
pattern: content,
|
|
flags: mods
|
|
});
|
|
}
|
|
readInt(radix, len, forceLen = false, allowNumSeparator = true) {
|
|
const {
|
|
n,
|
|
pos
|
|
} = readInt(this.input, this.state.pos, this.state.lineStart, this.state.curLine, radix, len, forceLen, allowNumSeparator, this.errorHandlers_readInt, false);
|
|
this.state.pos = pos;
|
|
return n;
|
|
}
|
|
readRadixNumber(radix) {
|
|
const startLoc = this.state.curPosition();
|
|
let isBigInt = false;
|
|
this.state.pos += 2;
|
|
const val = this.readInt(radix);
|
|
if (val == null) {
|
|
this.raise(Errors.InvalidDigit, createPositionWithColumnOffset(startLoc, 2), {
|
|
radix
|
|
});
|
|
}
|
|
const next = this.input.charCodeAt(this.state.pos);
|
|
if (next === 110) {
|
|
++this.state.pos;
|
|
isBigInt = true;
|
|
} else if (next === 109) {
|
|
throw this.raise(Errors.InvalidDecimal, startLoc);
|
|
}
|
|
if (isIdentifierStart(this.codePointAtPos(this.state.pos))) {
|
|
throw this.raise(Errors.NumberIdentifier, this.state.curPosition());
|
|
}
|
|
if (isBigInt) {
|
|
const str = this.input.slice(startLoc.index, this.state.pos).replace(/[_n]/g, "");
|
|
this.finishToken(135, str);
|
|
return;
|
|
}
|
|
this.finishToken(134, val);
|
|
}
|
|
readNumber(startsWithDot) {
|
|
const start = this.state.pos;
|
|
const startLoc = this.state.curPosition();
|
|
let isFloat = false;
|
|
let isBigInt = false;
|
|
let isDecimal = false;
|
|
let hasExponent = false;
|
|
let isOctal = false;
|
|
if (!startsWithDot && this.readInt(10) === null) {
|
|
this.raise(Errors.InvalidNumber, this.state.curPosition());
|
|
}
|
|
const hasLeadingZero = this.state.pos - start >= 2 && this.input.charCodeAt(start) === 48;
|
|
if (hasLeadingZero) {
|
|
const integer = this.input.slice(start, this.state.pos);
|
|
this.recordStrictModeErrors(Errors.StrictOctalLiteral, startLoc);
|
|
if (!this.state.strict) {
|
|
const underscorePos = integer.indexOf("_");
|
|
if (underscorePos > 0) {
|
|
this.raise(Errors.ZeroDigitNumericSeparator, createPositionWithColumnOffset(startLoc, underscorePos));
|
|
}
|
|
}
|
|
isOctal = hasLeadingZero && !/[89]/.test(integer);
|
|
}
|
|
let next = this.input.charCodeAt(this.state.pos);
|
|
if (next === 46 && !isOctal) {
|
|
++this.state.pos;
|
|
this.readInt(10);
|
|
isFloat = true;
|
|
next = this.input.charCodeAt(this.state.pos);
|
|
}
|
|
if ((next === 69 || next === 101) && !isOctal) {
|
|
next = this.input.charCodeAt(++this.state.pos);
|
|
if (next === 43 || next === 45) {
|
|
++this.state.pos;
|
|
}
|
|
if (this.readInt(10) === null) {
|
|
this.raise(Errors.InvalidOrMissingExponent, startLoc);
|
|
}
|
|
isFloat = true;
|
|
hasExponent = true;
|
|
next = this.input.charCodeAt(this.state.pos);
|
|
}
|
|
if (next === 110) {
|
|
if (isFloat || hasLeadingZero) {
|
|
this.raise(Errors.InvalidBigIntLiteral, startLoc);
|
|
}
|
|
++this.state.pos;
|
|
isBigInt = true;
|
|
}
|
|
if (next === 109) {
|
|
this.expectPlugin("decimal", this.state.curPosition());
|
|
if (hasExponent || hasLeadingZero) {
|
|
this.raise(Errors.InvalidDecimal, startLoc);
|
|
}
|
|
++this.state.pos;
|
|
isDecimal = true;
|
|
}
|
|
if (isIdentifierStart(this.codePointAtPos(this.state.pos))) {
|
|
throw this.raise(Errors.NumberIdentifier, this.state.curPosition());
|
|
}
|
|
const str = this.input.slice(start, this.state.pos).replace(/[_mn]/g, "");
|
|
if (isBigInt) {
|
|
this.finishToken(135, str);
|
|
return;
|
|
}
|
|
if (isDecimal) {
|
|
this.finishToken(136, str);
|
|
return;
|
|
}
|
|
const val = isOctal ? parseInt(str, 8) : parseFloat(str);
|
|
this.finishToken(134, val);
|
|
}
|
|
readCodePoint(throwOnInvalid) {
|
|
const {
|
|
code,
|
|
pos
|
|
} = readCodePoint(this.input, this.state.pos, this.state.lineStart, this.state.curLine, throwOnInvalid, this.errorHandlers_readCodePoint);
|
|
this.state.pos = pos;
|
|
return code;
|
|
}
|
|
readString(quote) {
|
|
const {
|
|
str,
|
|
pos,
|
|
curLine,
|
|
lineStart
|
|
} = readStringContents(quote === 34 ? "double" : "single", this.input, this.state.pos + 1, this.state.lineStart, this.state.curLine, this.errorHandlers_readStringContents_string);
|
|
this.state.pos = pos + 1;
|
|
this.state.lineStart = lineStart;
|
|
this.state.curLine = curLine;
|
|
this.finishToken(133, str);
|
|
}
|
|
readTemplateContinuation() {
|
|
if (!this.match(8)) {
|
|
this.unexpected(null, 8);
|
|
}
|
|
this.state.pos--;
|
|
this.readTemplateToken();
|
|
}
|
|
readTemplateToken() {
|
|
const opening = this.input[this.state.pos];
|
|
const {
|
|
str,
|
|
firstInvalidLoc,
|
|
pos,
|
|
curLine,
|
|
lineStart
|
|
} = readStringContents("template", this.input, this.state.pos + 1, this.state.lineStart, this.state.curLine, this.errorHandlers_readStringContents_template);
|
|
this.state.pos = pos + 1;
|
|
this.state.lineStart = lineStart;
|
|
this.state.curLine = curLine;
|
|
if (firstInvalidLoc) {
|
|
this.state.firstInvalidTemplateEscapePos = new Position(firstInvalidLoc.curLine, firstInvalidLoc.pos - firstInvalidLoc.lineStart, firstInvalidLoc.pos);
|
|
}
|
|
if (this.input.codePointAt(pos) === 96) {
|
|
this.finishToken(24, firstInvalidLoc ? null : opening + str + "`");
|
|
} else {
|
|
this.state.pos++;
|
|
this.finishToken(25, firstInvalidLoc ? null : opening + str + "${");
|
|
}
|
|
}
|
|
recordStrictModeErrors(toParseError, at) {
|
|
const index = at.index;
|
|
if (this.state.strict && !this.state.strictErrors.has(index)) {
|
|
this.raise(toParseError, at);
|
|
} else {
|
|
this.state.strictErrors.set(index, [toParseError, at]);
|
|
}
|
|
}
|
|
readWord1(firstCode) {
|
|
this.state.containsEsc = false;
|
|
let word = "";
|
|
const start = this.state.pos;
|
|
let chunkStart = this.state.pos;
|
|
if (firstCode !== undefined) {
|
|
this.state.pos += firstCode <= 0xffff ? 1 : 2;
|
|
}
|
|
while (this.state.pos < this.length) {
|
|
const ch = this.codePointAtPos(this.state.pos);
|
|
if (isIdentifierChar(ch)) {
|
|
this.state.pos += ch <= 0xffff ? 1 : 2;
|
|
} else if (ch === 92) {
|
|
this.state.containsEsc = true;
|
|
word += this.input.slice(chunkStart, this.state.pos);
|
|
const escStart = this.state.curPosition();
|
|
const identifierCheck = this.state.pos === start ? isIdentifierStart : isIdentifierChar;
|
|
if (this.input.charCodeAt(++this.state.pos) !== 117) {
|
|
this.raise(Errors.MissingUnicodeEscape, this.state.curPosition());
|
|
chunkStart = this.state.pos - 1;
|
|
continue;
|
|
}
|
|
++this.state.pos;
|
|
const esc = this.readCodePoint(true);
|
|
if (esc !== null) {
|
|
if (!identifierCheck(esc)) {
|
|
this.raise(Errors.EscapedCharNotAnIdentifier, escStart);
|
|
}
|
|
word += String.fromCodePoint(esc);
|
|
}
|
|
chunkStart = this.state.pos;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
return word + this.input.slice(chunkStart, this.state.pos);
|
|
}
|
|
readWord(firstCode) {
|
|
const word = this.readWord1(firstCode);
|
|
const type = keywords$1.get(word);
|
|
if (type !== undefined) {
|
|
this.finishToken(type, tokenLabelName(type));
|
|
} else {
|
|
this.finishToken(132, word);
|
|
}
|
|
}
|
|
checkKeywordEscapes() {
|
|
const {
|
|
type
|
|
} = this.state;
|
|
if (tokenIsKeyword(type) && this.state.containsEsc) {
|
|
this.raise(Errors.InvalidEscapedReservedWord, this.state.startLoc, {
|
|
reservedWord: tokenLabelName(type)
|
|
});
|
|
}
|
|
}
|
|
raise(toParseError, at, details = {}) {
|
|
const loc = at instanceof Position ? at : at.loc.start;
|
|
const error = toParseError(loc, details);
|
|
if (!this.options.errorRecovery) throw error;
|
|
if (!this.isLookahead) this.state.errors.push(error);
|
|
return error;
|
|
}
|
|
raiseOverwrite(toParseError, at, details = {}) {
|
|
const loc = at instanceof Position ? at : at.loc.start;
|
|
const pos = loc.index;
|
|
const errors = this.state.errors;
|
|
for (let i = errors.length - 1; i >= 0; i--) {
|
|
const error = errors[i];
|
|
if (error.loc.index === pos) {
|
|
return errors[i] = toParseError(loc, details);
|
|
}
|
|
if (error.loc.index < pos) break;
|
|
}
|
|
return this.raise(toParseError, at, details);
|
|
}
|
|
updateContext(prevType) {}
|
|
unexpected(loc, type) {
|
|
throw this.raise(Errors.UnexpectedToken, loc != null ? loc : this.state.startLoc, {
|
|
expected: type ? tokenLabelName(type) : null
|
|
});
|
|
}
|
|
expectPlugin(pluginName, loc) {
|
|
if (this.hasPlugin(pluginName)) {
|
|
return true;
|
|
}
|
|
throw this.raise(Errors.MissingPlugin, loc != null ? loc : this.state.startLoc, {
|
|
missingPlugin: [pluginName]
|
|
});
|
|
}
|
|
expectOnePlugin(pluginNames) {
|
|
if (!pluginNames.some(name => this.hasPlugin(name))) {
|
|
throw this.raise(Errors.MissingOneOfPlugins, this.state.startLoc, {
|
|
missingPlugin: pluginNames
|
|
});
|
|
}
|
|
}
|
|
errorBuilder(error) {
|
|
return (pos, lineStart, curLine) => {
|
|
this.raise(error, buildPosition(pos, lineStart, curLine));
|
|
};
|
|
}
|
|
}
|
|
class ClassScope {
|
|
constructor() {
|
|
this.privateNames = new Set();
|
|
this.loneAccessors = new Map();
|
|
this.undefinedPrivateNames = new Map();
|
|
}
|
|
}
|
|
class ClassScopeHandler {
|
|
constructor(parser) {
|
|
this.parser = void 0;
|
|
this.stack = [];
|
|
this.undefinedPrivateNames = new Map();
|
|
this.parser = parser;
|
|
}
|
|
current() {
|
|
return this.stack[this.stack.length - 1];
|
|
}
|
|
enter() {
|
|
this.stack.push(new ClassScope());
|
|
}
|
|
exit() {
|
|
const oldClassScope = this.stack.pop();
|
|
const current = this.current();
|
|
for (const [name, loc] of Array.from(oldClassScope.undefinedPrivateNames)) {
|
|
if (current) {
|
|
if (!current.undefinedPrivateNames.has(name)) {
|
|
current.undefinedPrivateNames.set(name, loc);
|
|
}
|
|
} else {
|
|
this.parser.raise(Errors.InvalidPrivateFieldResolution, loc, {
|
|
identifierName: name
|
|
});
|
|
}
|
|
}
|
|
}
|
|
declarePrivateName(name, elementType, loc) {
|
|
const {
|
|
privateNames,
|
|
loneAccessors,
|
|
undefinedPrivateNames
|
|
} = this.current();
|
|
let redefined = privateNames.has(name);
|
|
if (elementType & 3) {
|
|
const accessor = redefined && loneAccessors.get(name);
|
|
if (accessor) {
|
|
const oldStatic = accessor & 4;
|
|
const newStatic = elementType & 4;
|
|
const oldKind = accessor & 3;
|
|
const newKind = elementType & 3;
|
|
redefined = oldKind === newKind || oldStatic !== newStatic;
|
|
if (!redefined) loneAccessors.delete(name);
|
|
} else if (!redefined) {
|
|
loneAccessors.set(name, elementType);
|
|
}
|
|
}
|
|
if (redefined) {
|
|
this.parser.raise(Errors.PrivateNameRedeclaration, loc, {
|
|
identifierName: name
|
|
});
|
|
}
|
|
privateNames.add(name);
|
|
undefinedPrivateNames.delete(name);
|
|
}
|
|
usePrivateName(name, loc) {
|
|
let classScope;
|
|
for (classScope of this.stack) {
|
|
if (classScope.privateNames.has(name)) return;
|
|
}
|
|
if (classScope) {
|
|
classScope.undefinedPrivateNames.set(name, loc);
|
|
} else {
|
|
this.parser.raise(Errors.InvalidPrivateFieldResolution, loc, {
|
|
identifierName: name
|
|
});
|
|
}
|
|
}
|
|
}
|
|
class ExpressionScope {
|
|
constructor(type = 0) {
|
|
this.type = type;
|
|
}
|
|
canBeArrowParameterDeclaration() {
|
|
return this.type === 2 || this.type === 1;
|
|
}
|
|
isCertainlyParameterDeclaration() {
|
|
return this.type === 3;
|
|
}
|
|
}
|
|
class ArrowHeadParsingScope extends ExpressionScope {
|
|
constructor(type) {
|
|
super(type);
|
|
this.declarationErrors = new Map();
|
|
}
|
|
recordDeclarationError(ParsingErrorClass, at) {
|
|
const index = at.index;
|
|
this.declarationErrors.set(index, [ParsingErrorClass, at]);
|
|
}
|
|
clearDeclarationError(index) {
|
|
this.declarationErrors.delete(index);
|
|
}
|
|
iterateErrors(iterator) {
|
|
this.declarationErrors.forEach(iterator);
|
|
}
|
|
}
|
|
class ExpressionScopeHandler {
|
|
constructor(parser) {
|
|
this.parser = void 0;
|
|
this.stack = [new ExpressionScope()];
|
|
this.parser = parser;
|
|
}
|
|
enter(scope) {
|
|
this.stack.push(scope);
|
|
}
|
|
exit() {
|
|
this.stack.pop();
|
|
}
|
|
recordParameterInitializerError(toParseError, node) {
|
|
const origin = node.loc.start;
|
|
const {
|
|
stack
|
|
} = this;
|
|
let i = stack.length - 1;
|
|
let scope = stack[i];
|
|
while (!scope.isCertainlyParameterDeclaration()) {
|
|
if (scope.canBeArrowParameterDeclaration()) {
|
|
scope.recordDeclarationError(toParseError, origin);
|
|
} else {
|
|
return;
|
|
}
|
|
scope = stack[--i];
|
|
}
|
|
this.parser.raise(toParseError, origin);
|
|
}
|
|
recordArrowParameterBindingError(error, node) {
|
|
const {
|
|
stack
|
|
} = this;
|
|
const scope = stack[stack.length - 1];
|
|
const origin = node.loc.start;
|
|
if (scope.isCertainlyParameterDeclaration()) {
|
|
this.parser.raise(error, origin);
|
|
} else if (scope.canBeArrowParameterDeclaration()) {
|
|
scope.recordDeclarationError(error, origin);
|
|
} else {
|
|
return;
|
|
}
|
|
}
|
|
recordAsyncArrowParametersError(at) {
|
|
const {
|
|
stack
|
|
} = this;
|
|
let i = stack.length - 1;
|
|
let scope = stack[i];
|
|
while (scope.canBeArrowParameterDeclaration()) {
|
|
if (scope.type === 2) {
|
|
scope.recordDeclarationError(Errors.AwaitBindingIdentifier, at);
|
|
}
|
|
scope = stack[--i];
|
|
}
|
|
}
|
|
validateAsPattern() {
|
|
const {
|
|
stack
|
|
} = this;
|
|
const currentScope = stack[stack.length - 1];
|
|
if (!currentScope.canBeArrowParameterDeclaration()) return;
|
|
currentScope.iterateErrors(([toParseError, loc]) => {
|
|
this.parser.raise(toParseError, loc);
|
|
let i = stack.length - 2;
|
|
let scope = stack[i];
|
|
while (scope.canBeArrowParameterDeclaration()) {
|
|
scope.clearDeclarationError(loc.index);
|
|
scope = stack[--i];
|
|
}
|
|
});
|
|
}
|
|
}
|
|
function newParameterDeclarationScope() {
|
|
return new ExpressionScope(3);
|
|
}
|
|
function newArrowHeadScope() {
|
|
return new ArrowHeadParsingScope(1);
|
|
}
|
|
function newAsyncArrowScope() {
|
|
return new ArrowHeadParsingScope(2);
|
|
}
|
|
function newExpressionScope() {
|
|
return new ExpressionScope();
|
|
}
|
|
class ProductionParameterHandler {
|
|
constructor() {
|
|
this.stacks = [];
|
|
}
|
|
enter(flags) {
|
|
this.stacks.push(flags);
|
|
}
|
|
exit() {
|
|
this.stacks.pop();
|
|
}
|
|
currentFlags() {
|
|
return this.stacks[this.stacks.length - 1];
|
|
}
|
|
get hasAwait() {
|
|
return (this.currentFlags() & 2) > 0;
|
|
}
|
|
get hasYield() {
|
|
return (this.currentFlags() & 1) > 0;
|
|
}
|
|
get hasReturn() {
|
|
return (this.currentFlags() & 4) > 0;
|
|
}
|
|
get hasIn() {
|
|
return (this.currentFlags() & 8) > 0;
|
|
}
|
|
}
|
|
function functionFlags(isAsync, isGenerator) {
|
|
return (isAsync ? 2 : 0) | (isGenerator ? 1 : 0);
|
|
}
|
|
class UtilParser extends Tokenizer {
|
|
addExtra(node, key, value, enumerable = true) {
|
|
if (!node) return;
|
|
const extra = node.extra = node.extra || {};
|
|
if (enumerable) {
|
|
extra[key] = value;
|
|
} else {
|
|
Object.defineProperty(extra, key, {
|
|
enumerable,
|
|
value
|
|
});
|
|
}
|
|
}
|
|
isContextual(token) {
|
|
return this.state.type === token && !this.state.containsEsc;
|
|
}
|
|
isUnparsedContextual(nameStart, name) {
|
|
const nameEnd = nameStart + name.length;
|
|
if (this.input.slice(nameStart, nameEnd) === name) {
|
|
const nextCh = this.input.charCodeAt(nameEnd);
|
|
return !(isIdentifierChar(nextCh) || (nextCh & 0xfc00) === 0xd800);
|
|
}
|
|
return false;
|
|
}
|
|
isLookaheadContextual(name) {
|
|
const next = this.nextTokenStart();
|
|
return this.isUnparsedContextual(next, name);
|
|
}
|
|
eatContextual(token) {
|
|
if (this.isContextual(token)) {
|
|
this.next();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
expectContextual(token, toParseError) {
|
|
if (!this.eatContextual(token)) {
|
|
if (toParseError != null) {
|
|
throw this.raise(toParseError, this.state.startLoc);
|
|
}
|
|
this.unexpected(null, token);
|
|
}
|
|
}
|
|
canInsertSemicolon() {
|
|
return this.match(139) || this.match(8) || this.hasPrecedingLineBreak();
|
|
}
|
|
hasPrecedingLineBreak() {
|
|
return lineBreak.test(this.input.slice(this.state.lastTokEndLoc.index, this.state.start));
|
|
}
|
|
hasFollowingLineBreak() {
|
|
skipWhiteSpaceToLineBreak.lastIndex = this.state.end;
|
|
return skipWhiteSpaceToLineBreak.test(this.input);
|
|
}
|
|
isLineTerminator() {
|
|
return this.eat(13) || this.canInsertSemicolon();
|
|
}
|
|
semicolon(allowAsi = true) {
|
|
if (allowAsi ? this.isLineTerminator() : this.eat(13)) return;
|
|
this.raise(Errors.MissingSemicolon, this.state.lastTokEndLoc);
|
|
}
|
|
expect(type, loc) {
|
|
this.eat(type) || this.unexpected(loc, type);
|
|
}
|
|
tryParse(fn, oldState = this.state.clone()) {
|
|
const abortSignal = {
|
|
node: null
|
|
};
|
|
try {
|
|
const node = fn((node = null) => {
|
|
abortSignal.node = node;
|
|
throw abortSignal;
|
|
});
|
|
if (this.state.errors.length > oldState.errors.length) {
|
|
const failState = this.state;
|
|
this.state = oldState;
|
|
this.state.tokensLength = failState.tokensLength;
|
|
return {
|
|
node,
|
|
error: failState.errors[oldState.errors.length],
|
|
thrown: false,
|
|
aborted: false,
|
|
failState
|
|
};
|
|
}
|
|
return {
|
|
node,
|
|
error: null,
|
|
thrown: false,
|
|
aborted: false,
|
|
failState: null
|
|
};
|
|
} catch (error) {
|
|
const failState = this.state;
|
|
this.state = oldState;
|
|
if (error instanceof SyntaxError) {
|
|
return {
|
|
node: null,
|
|
error,
|
|
thrown: true,
|
|
aborted: false,
|
|
failState
|
|
};
|
|
}
|
|
if (error === abortSignal) {
|
|
return {
|
|
node: abortSignal.node,
|
|
error: null,
|
|
thrown: false,
|
|
aborted: true,
|
|
failState
|
|
};
|
|
}
|
|
throw error;
|
|
}
|
|
}
|
|
checkExpressionErrors(refExpressionErrors, andThrow) {
|
|
if (!refExpressionErrors) return false;
|
|
const {
|
|
shorthandAssignLoc,
|
|
doubleProtoLoc,
|
|
privateKeyLoc,
|
|
optionalParametersLoc
|
|
} = refExpressionErrors;
|
|
const hasErrors = !!shorthandAssignLoc || !!doubleProtoLoc || !!optionalParametersLoc || !!privateKeyLoc;
|
|
if (!andThrow) {
|
|
return hasErrors;
|
|
}
|
|
if (shorthandAssignLoc != null) {
|
|
this.raise(Errors.InvalidCoverInitializedName, shorthandAssignLoc);
|
|
}
|
|
if (doubleProtoLoc != null) {
|
|
this.raise(Errors.DuplicateProto, doubleProtoLoc);
|
|
}
|
|
if (privateKeyLoc != null) {
|
|
this.raise(Errors.UnexpectedPrivateField, privateKeyLoc);
|
|
}
|
|
if (optionalParametersLoc != null) {
|
|
this.unexpected(optionalParametersLoc);
|
|
}
|
|
}
|
|
isLiteralPropertyName() {
|
|
return tokenIsLiteralPropertyName(this.state.type);
|
|
}
|
|
isPrivateName(node) {
|
|
return node.type === "PrivateName";
|
|
}
|
|
getPrivateNameSV(node) {
|
|
return node.id.name;
|
|
}
|
|
hasPropertyAsPrivateName(node) {
|
|
return (node.type === "MemberExpression" || node.type === "OptionalMemberExpression") && this.isPrivateName(node.property);
|
|
}
|
|
isObjectProperty(node) {
|
|
return node.type === "ObjectProperty";
|
|
}
|
|
isObjectMethod(node) {
|
|
return node.type === "ObjectMethod";
|
|
}
|
|
initializeScopes(inModule = this.options.sourceType === "module") {
|
|
const oldLabels = this.state.labels;
|
|
this.state.labels = [];
|
|
const oldExportedIdentifiers = this.exportedIdentifiers;
|
|
this.exportedIdentifiers = new Set();
|
|
const oldInModule = this.inModule;
|
|
this.inModule = inModule;
|
|
const oldScope = this.scope;
|
|
const ScopeHandler = this.getScopeHandler();
|
|
this.scope = new ScopeHandler(this, inModule);
|
|
const oldProdParam = this.prodParam;
|
|
this.prodParam = new ProductionParameterHandler();
|
|
const oldClassScope = this.classScope;
|
|
this.classScope = new ClassScopeHandler(this);
|
|
const oldExpressionScope = this.expressionScope;
|
|
this.expressionScope = new ExpressionScopeHandler(this);
|
|
return () => {
|
|
this.state.labels = oldLabels;
|
|
this.exportedIdentifiers = oldExportedIdentifiers;
|
|
this.inModule = oldInModule;
|
|
this.scope = oldScope;
|
|
this.prodParam = oldProdParam;
|
|
this.classScope = oldClassScope;
|
|
this.expressionScope = oldExpressionScope;
|
|
};
|
|
}
|
|
enterInitialScopes() {
|
|
let paramFlags = 0;
|
|
if (this.inModule) {
|
|
paramFlags |= 2;
|
|
}
|
|
this.scope.enter(1);
|
|
this.prodParam.enter(paramFlags);
|
|
}
|
|
checkDestructuringPrivate(refExpressionErrors) {
|
|
const {
|
|
privateKeyLoc
|
|
} = refExpressionErrors;
|
|
if (privateKeyLoc !== null) {
|
|
this.expectPlugin("destructuringPrivate", privateKeyLoc);
|
|
}
|
|
}
|
|
}
|
|
class ExpressionErrors {
|
|
constructor() {
|
|
this.shorthandAssignLoc = null;
|
|
this.doubleProtoLoc = null;
|
|
this.privateKeyLoc = null;
|
|
this.optionalParametersLoc = null;
|
|
}
|
|
}
|
|
class Node {
|
|
constructor(parser, pos, loc) {
|
|
this.type = "";
|
|
this.start = pos;
|
|
this.end = 0;
|
|
this.loc = new SourceLocation(loc);
|
|
if (parser != null && parser.options.ranges) this.range = [pos, 0];
|
|
if (parser != null && parser.filename) this.loc.filename = parser.filename;
|
|
}
|
|
}
|
|
const NodePrototype = Node.prototype;
|
|
{
|
|
NodePrototype.__clone = function () {
|
|
const newNode = new Node(undefined, this.start, this.loc.start);
|
|
const keys = Object.keys(this);
|
|
for (let i = 0, length = keys.length; i < length; i++) {
|
|
const key = keys[i];
|
|
if (key !== "leadingComments" && key !== "trailingComments" && key !== "innerComments") {
|
|
newNode[key] = this[key];
|
|
}
|
|
}
|
|
return newNode;
|
|
};
|
|
}
|
|
function clonePlaceholder(node) {
|
|
return cloneIdentifier(node);
|
|
}
|
|
function cloneIdentifier(node) {
|
|
const {
|
|
type,
|
|
start,
|
|
end,
|
|
loc,
|
|
range,
|
|
extra,
|
|
name
|
|
} = node;
|
|
const cloned = Object.create(NodePrototype);
|
|
cloned.type = type;
|
|
cloned.start = start;
|
|
cloned.end = end;
|
|
cloned.loc = loc;
|
|
cloned.range = range;
|
|
cloned.extra = extra;
|
|
cloned.name = name;
|
|
if (type === "Placeholder") {
|
|
cloned.expectedNode = node.expectedNode;
|
|
}
|
|
return cloned;
|
|
}
|
|
function cloneStringLiteral(node) {
|
|
const {
|
|
type,
|
|
start,
|
|
end,
|
|
loc,
|
|
range,
|
|
extra
|
|
} = node;
|
|
if (type === "Placeholder") {
|
|
return clonePlaceholder(node);
|
|
}
|
|
const cloned = Object.create(NodePrototype);
|
|
cloned.type = type;
|
|
cloned.start = start;
|
|
cloned.end = end;
|
|
cloned.loc = loc;
|
|
cloned.range = range;
|
|
if (node.raw !== undefined) {
|
|
cloned.raw = node.raw;
|
|
} else {
|
|
cloned.extra = extra;
|
|
}
|
|
cloned.value = node.value;
|
|
return cloned;
|
|
}
|
|
class NodeUtils extends UtilParser {
|
|
startNode() {
|
|
const loc = this.state.startLoc;
|
|
return new Node(this, loc.index, loc);
|
|
}
|
|
startNodeAt(loc) {
|
|
return new Node(this, loc.index, loc);
|
|
}
|
|
startNodeAtNode(type) {
|
|
return this.startNodeAt(type.loc.start);
|
|
}
|
|
finishNode(node, type) {
|
|
return this.finishNodeAt(node, type, this.state.lastTokEndLoc);
|
|
}
|
|
finishNodeAt(node, type, endLoc) {
|
|
node.type = type;
|
|
node.end = endLoc.index;
|
|
node.loc.end = endLoc;
|
|
if (this.options.ranges) node.range[1] = endLoc.index;
|
|
if (this.options.attachComment) this.processComment(node);
|
|
return node;
|
|
}
|
|
resetStartLocation(node, startLoc) {
|
|
node.start = startLoc.index;
|
|
node.loc.start = startLoc;
|
|
if (this.options.ranges) node.range[0] = startLoc.index;
|
|
}
|
|
resetEndLocation(node, endLoc = this.state.lastTokEndLoc) {
|
|
node.end = endLoc.index;
|
|
node.loc.end = endLoc;
|
|
if (this.options.ranges) node.range[1] = endLoc.index;
|
|
}
|
|
resetStartLocationFromNode(node, locationNode) {
|
|
this.resetStartLocation(node, locationNode.loc.start);
|
|
}
|
|
}
|
|
const reservedTypes = new Set(["_", "any", "bool", "boolean", "empty", "extends", "false", "interface", "mixed", "null", "number", "static", "string", "true", "typeof", "void"]);
|
|
const FlowErrors = ParseErrorEnum`flow`({
|
|
AmbiguousConditionalArrow: "Ambiguous expression: wrap the arrow functions in parentheses to disambiguate.",
|
|
AmbiguousDeclareModuleKind: "Found both `declare module.exports` and `declare export` in the same module. Modules can only have 1 since they are either an ES module or they are a CommonJS module.",
|
|
AssignReservedType: ({
|
|
reservedType
|
|
}) => `Cannot overwrite reserved type ${reservedType}.`,
|
|
DeclareClassElement: "The `declare` modifier can only appear on class fields.",
|
|
DeclareClassFieldInitializer: "Initializers are not allowed in fields with the `declare` modifier.",
|
|
DuplicateDeclareModuleExports: "Duplicate `declare module.exports` statement.",
|
|
EnumBooleanMemberNotInitialized: ({
|
|
memberName,
|
|
enumName
|
|
}) => `Boolean enum members need to be initialized. Use either \`${memberName} = true,\` or \`${memberName} = false,\` in enum \`${enumName}\`.`,
|
|
EnumDuplicateMemberName: ({
|
|
memberName,
|
|
enumName
|
|
}) => `Enum member names need to be unique, but the name \`${memberName}\` has already been used before in enum \`${enumName}\`.`,
|
|
EnumInconsistentMemberValues: ({
|
|
enumName
|
|
}) => `Enum \`${enumName}\` has inconsistent member initializers. Either use no initializers, or consistently use literals (either booleans, numbers, or strings) for all member initializers.`,
|
|
EnumInvalidExplicitType: ({
|
|
invalidEnumType,
|
|
enumName
|
|
}) => `Enum type \`${invalidEnumType}\` is not valid. Use one of \`boolean\`, \`number\`, \`string\`, or \`symbol\` in enum \`${enumName}\`.`,
|
|
EnumInvalidExplicitTypeUnknownSupplied: ({
|
|
enumName
|
|
}) => `Supplied enum type is not valid. Use one of \`boolean\`, \`number\`, \`string\`, or \`symbol\` in enum \`${enumName}\`.`,
|
|
EnumInvalidMemberInitializerPrimaryType: ({
|
|
enumName,
|
|
memberName,
|
|
explicitType
|
|
}) => `Enum \`${enumName}\` has type \`${explicitType}\`, so the initializer of \`${memberName}\` needs to be a ${explicitType} literal.`,
|
|
EnumInvalidMemberInitializerSymbolType: ({
|
|
enumName,
|
|
memberName
|
|
}) => `Symbol enum members cannot be initialized. Use \`${memberName},\` in enum \`${enumName}\`.`,
|
|
EnumInvalidMemberInitializerUnknownType: ({
|
|
enumName,
|
|
memberName
|
|
}) => `The enum member initializer for \`${memberName}\` needs to be a literal (either a boolean, number, or string) in enum \`${enumName}\`.`,
|
|
EnumInvalidMemberName: ({
|
|
enumName,
|
|
memberName,
|
|
suggestion
|
|
}) => `Enum member names cannot start with lowercase 'a' through 'z'. Instead of using \`${memberName}\`, consider using \`${suggestion}\`, in enum \`${enumName}\`.`,
|
|
EnumNumberMemberNotInitialized: ({
|
|
enumName,
|
|
memberName
|
|
}) => `Number enum members need to be initialized, e.g. \`${memberName} = 1\` in enum \`${enumName}\`.`,
|
|
EnumStringMemberInconsistentlyInitialized: ({
|
|
enumName
|
|
}) => `String enum members need to consistently either all use initializers, or use no initializers, in enum \`${enumName}\`.`,
|
|
GetterMayNotHaveThisParam: "A getter cannot have a `this` parameter.",
|
|
ImportReflectionHasImportType: "An `import module` declaration can not use `type` or `typeof` keyword.",
|
|
ImportTypeShorthandOnlyInPureImport: "The `type` and `typeof` keywords on named imports can only be used on regular `import` statements. It cannot be used with `import type` or `import typeof` statements.",
|
|
InexactInsideExact: "Explicit inexact syntax cannot appear inside an explicit exact object type.",
|
|
InexactInsideNonObject: "Explicit inexact syntax cannot appear in class or interface definitions.",
|
|
InexactVariance: "Explicit inexact syntax cannot have variance.",
|
|
InvalidNonTypeImportInDeclareModule: "Imports within a `declare module` body must always be `import type` or `import typeof`.",
|
|
MissingTypeParamDefault: "Type parameter declaration needs a default, since a preceding type parameter declaration has a default.",
|
|
NestedDeclareModule: "`declare module` cannot be used inside another `declare module`.",
|
|
NestedFlowComment: "Cannot have a flow comment inside another flow comment.",
|
|
PatternIsOptional: Object.assign({
|
|
message: "A binding pattern parameter cannot be optional in an implementation signature."
|
|
}, {
|
|
reasonCode: "OptionalBindingPattern"
|
|
}),
|
|
SetterMayNotHaveThisParam: "A setter cannot have a `this` parameter.",
|
|
SpreadVariance: "Spread properties cannot have variance.",
|
|
ThisParamAnnotationRequired: "A type annotation is required for the `this` parameter.",
|
|
ThisParamBannedInConstructor: "Constructors cannot have a `this` parameter; constructors don't bind `this` like other functions.",
|
|
ThisParamMayNotBeOptional: "The `this` parameter cannot be optional.",
|
|
ThisParamMustBeFirst: "The `this` parameter must be the first function parameter.",
|
|
ThisParamNoDefault: "The `this` parameter may not have a default value.",
|
|
TypeBeforeInitializer: "Type annotations must come before default assignments, e.g. instead of `age = 25: number` use `age: number = 25`.",
|
|
TypeCastInPattern: "The type cast expression is expected to be wrapped with parenthesis.",
|
|
UnexpectedExplicitInexactInObject: "Explicit inexact syntax must appear at the end of an inexact object.",
|
|
UnexpectedReservedType: ({
|
|
reservedType
|
|
}) => `Unexpected reserved type ${reservedType}.`,
|
|
UnexpectedReservedUnderscore: "`_` is only allowed as a type argument to call or new.",
|
|
UnexpectedSpaceBetweenModuloChecks: "Spaces between `%` and `checks` are not allowed here.",
|
|
UnexpectedSpreadType: "Spread operator cannot appear in class or interface definitions.",
|
|
UnexpectedSubtractionOperand: 'Unexpected token, expected "number" or "bigint".',
|
|
UnexpectedTokenAfterTypeParameter: "Expected an arrow function after this type parameter declaration.",
|
|
UnexpectedTypeParameterBeforeAsyncArrowFunction: "Type parameters must come after the async keyword, e.g. instead of `<T> async () => {}`, use `async <T>() => {}`.",
|
|
UnsupportedDeclareExportKind: ({
|
|
unsupportedExportKind,
|
|
suggestion
|
|
}) => `\`declare export ${unsupportedExportKind}\` is not supported. Use \`${suggestion}\` instead.`,
|
|
UnsupportedStatementInDeclareModule: "Only declares and type imports are allowed inside declare module.",
|
|
UnterminatedFlowComment: "Unterminated flow-comment."
|
|
});
|
|
function isEsModuleType(bodyElement) {
|
|
return bodyElement.type === "DeclareExportAllDeclaration" || bodyElement.type === "DeclareExportDeclaration" && (!bodyElement.declaration || bodyElement.declaration.type !== "TypeAlias" && bodyElement.declaration.type !== "InterfaceDeclaration");
|
|
}
|
|
function hasTypeImportKind(node) {
|
|
return node.importKind === "type" || node.importKind === "typeof";
|
|
}
|
|
const exportSuggestions = {
|
|
const: "declare export var",
|
|
let: "declare export var",
|
|
type: "export type",
|
|
interface: "export interface"
|
|
};
|
|
function partition(list, test) {
|
|
const list1 = [];
|
|
const list2 = [];
|
|
for (let i = 0; i < list.length; i++) {
|
|
(test(list[i], i, list) ? list1 : list2).push(list[i]);
|
|
}
|
|
return [list1, list2];
|
|
}
|
|
const FLOW_PRAGMA_REGEX = /\*?\s*@((?:no)?flow)\b/;
|
|
var flow = superClass => class FlowParserMixin extends superClass {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.flowPragma = undefined;
|
|
}
|
|
getScopeHandler() {
|
|
return FlowScopeHandler;
|
|
}
|
|
shouldParseTypes() {
|
|
return this.getPluginOption("flow", "all") || this.flowPragma === "flow";
|
|
}
|
|
shouldParseEnums() {
|
|
return !!this.getPluginOption("flow", "enums");
|
|
}
|
|
finishToken(type, val) {
|
|
if (type !== 133 && type !== 13 && type !== 28) {
|
|
if (this.flowPragma === undefined) {
|
|
this.flowPragma = null;
|
|
}
|
|
}
|
|
super.finishToken(type, val);
|
|
}
|
|
addComment(comment) {
|
|
if (this.flowPragma === undefined) {
|
|
const matches = FLOW_PRAGMA_REGEX.exec(comment.value);
|
|
if (!matches) ;else if (matches[1] === "flow") {
|
|
this.flowPragma = "flow";
|
|
} else if (matches[1] === "noflow") {
|
|
this.flowPragma = "noflow";
|
|
} else {
|
|
throw new Error("Unexpected flow pragma");
|
|
}
|
|
}
|
|
super.addComment(comment);
|
|
}
|
|
flowParseTypeInitialiser(tok) {
|
|
const oldInType = this.state.inType;
|
|
this.state.inType = true;
|
|
this.expect(tok || 14);
|
|
const type = this.flowParseType();
|
|
this.state.inType = oldInType;
|
|
return type;
|
|
}
|
|
flowParsePredicate() {
|
|
const node = this.startNode();
|
|
const moduloLoc = this.state.startLoc;
|
|
this.next();
|
|
this.expectContextual(110);
|
|
if (this.state.lastTokStartLoc.index > moduloLoc.index + 1) {
|
|
this.raise(FlowErrors.UnexpectedSpaceBetweenModuloChecks, moduloLoc);
|
|
}
|
|
if (this.eat(10)) {
|
|
node.value = super.parseExpression();
|
|
this.expect(11);
|
|
return this.finishNode(node, "DeclaredPredicate");
|
|
} else {
|
|
return this.finishNode(node, "InferredPredicate");
|
|
}
|
|
}
|
|
flowParseTypeAndPredicateInitialiser() {
|
|
const oldInType = this.state.inType;
|
|
this.state.inType = true;
|
|
this.expect(14);
|
|
let type = null;
|
|
let predicate = null;
|
|
if (this.match(54)) {
|
|
this.state.inType = oldInType;
|
|
predicate = this.flowParsePredicate();
|
|
} else {
|
|
type = this.flowParseType();
|
|
this.state.inType = oldInType;
|
|
if (this.match(54)) {
|
|
predicate = this.flowParsePredicate();
|
|
}
|
|
}
|
|
return [type, predicate];
|
|
}
|
|
flowParseDeclareClass(node) {
|
|
this.next();
|
|
this.flowParseInterfaceish(node, true);
|
|
return this.finishNode(node, "DeclareClass");
|
|
}
|
|
flowParseDeclareFunction(node) {
|
|
this.next();
|
|
const id = node.id = this.parseIdentifier();
|
|
const typeNode = this.startNode();
|
|
const typeContainer = this.startNode();
|
|
if (this.match(47)) {
|
|
typeNode.typeParameters = this.flowParseTypeParameterDeclaration();
|
|
} else {
|
|
typeNode.typeParameters = null;
|
|
}
|
|
this.expect(10);
|
|
const tmp = this.flowParseFunctionTypeParams();
|
|
typeNode.params = tmp.params;
|
|
typeNode.rest = tmp.rest;
|
|
typeNode.this = tmp._this;
|
|
this.expect(11);
|
|
[typeNode.returnType, node.predicate] = this.flowParseTypeAndPredicateInitialiser();
|
|
typeContainer.typeAnnotation = this.finishNode(typeNode, "FunctionTypeAnnotation");
|
|
id.typeAnnotation = this.finishNode(typeContainer, "TypeAnnotation");
|
|
this.resetEndLocation(id);
|
|
this.semicolon();
|
|
this.scope.declareName(node.id.name, 2048, node.id.loc.start);
|
|
return this.finishNode(node, "DeclareFunction");
|
|
}
|
|
flowParseDeclare(node, insideModule) {
|
|
if (this.match(80)) {
|
|
return this.flowParseDeclareClass(node);
|
|
} else if (this.match(68)) {
|
|
return this.flowParseDeclareFunction(node);
|
|
} else if (this.match(74)) {
|
|
return this.flowParseDeclareVariable(node);
|
|
} else if (this.eatContextual(127)) {
|
|
if (this.match(16)) {
|
|
return this.flowParseDeclareModuleExports(node);
|
|
} else {
|
|
if (insideModule) {
|
|
this.raise(FlowErrors.NestedDeclareModule, this.state.lastTokStartLoc);
|
|
}
|
|
return this.flowParseDeclareModule(node);
|
|
}
|
|
} else if (this.isContextual(130)) {
|
|
return this.flowParseDeclareTypeAlias(node);
|
|
} else if (this.isContextual(131)) {
|
|
return this.flowParseDeclareOpaqueType(node);
|
|
} else if (this.isContextual(129)) {
|
|
return this.flowParseDeclareInterface(node);
|
|
} else if (this.match(82)) {
|
|
return this.flowParseDeclareExportDeclaration(node, insideModule);
|
|
} else {
|
|
this.unexpected();
|
|
}
|
|
}
|
|
flowParseDeclareVariable(node) {
|
|
this.next();
|
|
node.id = this.flowParseTypeAnnotatableIdentifier(true);
|
|
this.scope.declareName(node.id.name, 5, node.id.loc.start);
|
|
this.semicolon();
|
|
return this.finishNode(node, "DeclareVariable");
|
|
}
|
|
flowParseDeclareModule(node) {
|
|
this.scope.enter(0);
|
|
if (this.match(133)) {
|
|
node.id = super.parseExprAtom();
|
|
} else {
|
|
node.id = this.parseIdentifier();
|
|
}
|
|
const bodyNode = node.body = this.startNode();
|
|
const body = bodyNode.body = [];
|
|
this.expect(5);
|
|
while (!this.match(8)) {
|
|
let bodyNode = this.startNode();
|
|
if (this.match(83)) {
|
|
this.next();
|
|
if (!this.isContextual(130) && !this.match(87)) {
|
|
this.raise(FlowErrors.InvalidNonTypeImportInDeclareModule, this.state.lastTokStartLoc);
|
|
}
|
|
super.parseImport(bodyNode);
|
|
} else {
|
|
this.expectContextual(125, FlowErrors.UnsupportedStatementInDeclareModule);
|
|
bodyNode = this.flowParseDeclare(bodyNode, true);
|
|
}
|
|
body.push(bodyNode);
|
|
}
|
|
this.scope.exit();
|
|
this.expect(8);
|
|
this.finishNode(bodyNode, "BlockStatement");
|
|
let kind = null;
|
|
let hasModuleExport = false;
|
|
body.forEach(bodyElement => {
|
|
if (isEsModuleType(bodyElement)) {
|
|
if (kind === "CommonJS") {
|
|
this.raise(FlowErrors.AmbiguousDeclareModuleKind, bodyElement);
|
|
}
|
|
kind = "ES";
|
|
} else if (bodyElement.type === "DeclareModuleExports") {
|
|
if (hasModuleExport) {
|
|
this.raise(FlowErrors.DuplicateDeclareModuleExports, bodyElement);
|
|
}
|
|
if (kind === "ES") {
|
|
this.raise(FlowErrors.AmbiguousDeclareModuleKind, bodyElement);
|
|
}
|
|
kind = "CommonJS";
|
|
hasModuleExport = true;
|
|
}
|
|
});
|
|
node.kind = kind || "CommonJS";
|
|
return this.finishNode(node, "DeclareModule");
|
|
}
|
|
flowParseDeclareExportDeclaration(node, insideModule) {
|
|
this.expect(82);
|
|
if (this.eat(65)) {
|
|
if (this.match(68) || this.match(80)) {
|
|
node.declaration = this.flowParseDeclare(this.startNode());
|
|
} else {
|
|
node.declaration = this.flowParseType();
|
|
this.semicolon();
|
|
}
|
|
node.default = true;
|
|
return this.finishNode(node, "DeclareExportDeclaration");
|
|
} else {
|
|
if (this.match(75) || this.isLet() || (this.isContextual(130) || this.isContextual(129)) && !insideModule) {
|
|
const label = this.state.value;
|
|
throw this.raise(FlowErrors.UnsupportedDeclareExportKind, this.state.startLoc, {
|
|
unsupportedExportKind: label,
|
|
suggestion: exportSuggestions[label]
|
|
});
|
|
}
|
|
if (this.match(74) || this.match(68) || this.match(80) || this.isContextual(131)) {
|
|
node.declaration = this.flowParseDeclare(this.startNode());
|
|
node.default = false;
|
|
return this.finishNode(node, "DeclareExportDeclaration");
|
|
} else if (this.match(55) || this.match(5) || this.isContextual(129) || this.isContextual(130) || this.isContextual(131)) {
|
|
node = this.parseExport(node, null);
|
|
if (node.type === "ExportNamedDeclaration") {
|
|
node.type = "ExportDeclaration";
|
|
node.default = false;
|
|
delete node.exportKind;
|
|
}
|
|
node.type = "Declare" + node.type;
|
|
return node;
|
|
}
|
|
}
|
|
this.unexpected();
|
|
}
|
|
flowParseDeclareModuleExports(node) {
|
|
this.next();
|
|
this.expectContextual(111);
|
|
node.typeAnnotation = this.flowParseTypeAnnotation();
|
|
this.semicolon();
|
|
return this.finishNode(node, "DeclareModuleExports");
|
|
}
|
|
flowParseDeclareTypeAlias(node) {
|
|
this.next();
|
|
const finished = this.flowParseTypeAlias(node);
|
|
finished.type = "DeclareTypeAlias";
|
|
return finished;
|
|
}
|
|
flowParseDeclareOpaqueType(node) {
|
|
this.next();
|
|
const finished = this.flowParseOpaqueType(node, true);
|
|
finished.type = "DeclareOpaqueType";
|
|
return finished;
|
|
}
|
|
flowParseDeclareInterface(node) {
|
|
this.next();
|
|
this.flowParseInterfaceish(node, false);
|
|
return this.finishNode(node, "DeclareInterface");
|
|
}
|
|
flowParseInterfaceish(node, isClass) {
|
|
node.id = this.flowParseRestrictedIdentifier(!isClass, true);
|
|
this.scope.declareName(node.id.name, isClass ? 17 : 8201, node.id.loc.start);
|
|
if (this.match(47)) {
|
|
node.typeParameters = this.flowParseTypeParameterDeclaration();
|
|
} else {
|
|
node.typeParameters = null;
|
|
}
|
|
node.extends = [];
|
|
if (this.eat(81)) {
|
|
do {
|
|
node.extends.push(this.flowParseInterfaceExtends());
|
|
} while (!isClass && this.eat(12));
|
|
}
|
|
if (isClass) {
|
|
node.implements = [];
|
|
node.mixins = [];
|
|
if (this.eatContextual(117)) {
|
|
do {
|
|
node.mixins.push(this.flowParseInterfaceExtends());
|
|
} while (this.eat(12));
|
|
}
|
|
if (this.eatContextual(113)) {
|
|
do {
|
|
node.implements.push(this.flowParseInterfaceExtends());
|
|
} while (this.eat(12));
|
|
}
|
|
}
|
|
node.body = this.flowParseObjectType({
|
|
allowStatic: isClass,
|
|
allowExact: false,
|
|
allowSpread: false,
|
|
allowProto: isClass,
|
|
allowInexact: false
|
|
});
|
|
}
|
|
flowParseInterfaceExtends() {
|
|
const node = this.startNode();
|
|
node.id = this.flowParseQualifiedTypeIdentifier();
|
|
if (this.match(47)) {
|
|
node.typeParameters = this.flowParseTypeParameterInstantiation();
|
|
} else {
|
|
node.typeParameters = null;
|
|
}
|
|
return this.finishNode(node, "InterfaceExtends");
|
|
}
|
|
flowParseInterface(node) {
|
|
this.flowParseInterfaceish(node, false);
|
|
return this.finishNode(node, "InterfaceDeclaration");
|
|
}
|
|
checkNotUnderscore(word) {
|
|
if (word === "_") {
|
|
this.raise(FlowErrors.UnexpectedReservedUnderscore, this.state.startLoc);
|
|
}
|
|
}
|
|
checkReservedType(word, startLoc, declaration) {
|
|
if (!reservedTypes.has(word)) return;
|
|
this.raise(declaration ? FlowErrors.AssignReservedType : FlowErrors.UnexpectedReservedType, startLoc, {
|
|
reservedType: word
|
|
});
|
|
}
|
|
flowParseRestrictedIdentifier(liberal, declaration) {
|
|
this.checkReservedType(this.state.value, this.state.startLoc, declaration);
|
|
return this.parseIdentifier(liberal);
|
|
}
|
|
flowParseTypeAlias(node) {
|
|
node.id = this.flowParseRestrictedIdentifier(false, true);
|
|
this.scope.declareName(node.id.name, 8201, node.id.loc.start);
|
|
if (this.match(47)) {
|
|
node.typeParameters = this.flowParseTypeParameterDeclaration();
|
|
} else {
|
|
node.typeParameters = null;
|
|
}
|
|
node.right = this.flowParseTypeInitialiser(29);
|
|
this.semicolon();
|
|
return this.finishNode(node, "TypeAlias");
|
|
}
|
|
flowParseOpaqueType(node, declare) {
|
|
this.expectContextual(130);
|
|
node.id = this.flowParseRestrictedIdentifier(true, true);
|
|
this.scope.declareName(node.id.name, 8201, node.id.loc.start);
|
|
if (this.match(47)) {
|
|
node.typeParameters = this.flowParseTypeParameterDeclaration();
|
|
} else {
|
|
node.typeParameters = null;
|
|
}
|
|
node.supertype = null;
|
|
if (this.match(14)) {
|
|
node.supertype = this.flowParseTypeInitialiser(14);
|
|
}
|
|
node.impltype = null;
|
|
if (!declare) {
|
|
node.impltype = this.flowParseTypeInitialiser(29);
|
|
}
|
|
this.semicolon();
|
|
return this.finishNode(node, "OpaqueType");
|
|
}
|
|
flowParseTypeParameter(requireDefault = false) {
|
|
const nodeStartLoc = this.state.startLoc;
|
|
const node = this.startNode();
|
|
const variance = this.flowParseVariance();
|
|
const ident = this.flowParseTypeAnnotatableIdentifier();
|
|
node.name = ident.name;
|
|
node.variance = variance;
|
|
node.bound = ident.typeAnnotation;
|
|
if (this.match(29)) {
|
|
this.eat(29);
|
|
node.default = this.flowParseType();
|
|
} else {
|
|
if (requireDefault) {
|
|
this.raise(FlowErrors.MissingTypeParamDefault, nodeStartLoc);
|
|
}
|
|
}
|
|
return this.finishNode(node, "TypeParameter");
|
|
}
|
|
flowParseTypeParameterDeclaration() {
|
|
const oldInType = this.state.inType;
|
|
const node = this.startNode();
|
|
node.params = [];
|
|
this.state.inType = true;
|
|
if (this.match(47) || this.match(142)) {
|
|
this.next();
|
|
} else {
|
|
this.unexpected();
|
|
}
|
|
let defaultRequired = false;
|
|
do {
|
|
const typeParameter = this.flowParseTypeParameter(defaultRequired);
|
|
node.params.push(typeParameter);
|
|
if (typeParameter.default) {
|
|
defaultRequired = true;
|
|
}
|
|
if (!this.match(48)) {
|
|
this.expect(12);
|
|
}
|
|
} while (!this.match(48));
|
|
this.expect(48);
|
|
this.state.inType = oldInType;
|
|
return this.finishNode(node, "TypeParameterDeclaration");
|
|
}
|
|
flowParseTypeParameterInstantiation() {
|
|
const node = this.startNode();
|
|
const oldInType = this.state.inType;
|
|
node.params = [];
|
|
this.state.inType = true;
|
|
this.expect(47);
|
|
const oldNoAnonFunctionType = this.state.noAnonFunctionType;
|
|
this.state.noAnonFunctionType = false;
|
|
while (!this.match(48)) {
|
|
node.params.push(this.flowParseType());
|
|
if (!this.match(48)) {
|
|
this.expect(12);
|
|
}
|
|
}
|
|
this.state.noAnonFunctionType = oldNoAnonFunctionType;
|
|
this.expect(48);
|
|
this.state.inType = oldInType;
|
|
return this.finishNode(node, "TypeParameterInstantiation");
|
|
}
|
|
flowParseTypeParameterInstantiationCallOrNew() {
|
|
const node = this.startNode();
|
|
const oldInType = this.state.inType;
|
|
node.params = [];
|
|
this.state.inType = true;
|
|
this.expect(47);
|
|
while (!this.match(48)) {
|
|
node.params.push(this.flowParseTypeOrImplicitInstantiation());
|
|
if (!this.match(48)) {
|
|
this.expect(12);
|
|
}
|
|
}
|
|
this.expect(48);
|
|
this.state.inType = oldInType;
|
|
return this.finishNode(node, "TypeParameterInstantiation");
|
|
}
|
|
flowParseInterfaceType() {
|
|
const node = this.startNode();
|
|
this.expectContextual(129);
|
|
node.extends = [];
|
|
if (this.eat(81)) {
|
|
do {
|
|
node.extends.push(this.flowParseInterfaceExtends());
|
|
} while (this.eat(12));
|
|
}
|
|
node.body = this.flowParseObjectType({
|
|
allowStatic: false,
|
|
allowExact: false,
|
|
allowSpread: false,
|
|
allowProto: false,
|
|
allowInexact: false
|
|
});
|
|
return this.finishNode(node, "InterfaceTypeAnnotation");
|
|
}
|
|
flowParseObjectPropertyKey() {
|
|
return this.match(134) || this.match(133) ? super.parseExprAtom() : this.parseIdentifier(true);
|
|
}
|
|
flowParseObjectTypeIndexer(node, isStatic, variance) {
|
|
node.static = isStatic;
|
|
if (this.lookahead().type === 14) {
|
|
node.id = this.flowParseObjectPropertyKey();
|
|
node.key = this.flowParseTypeInitialiser();
|
|
} else {
|
|
node.id = null;
|
|
node.key = this.flowParseType();
|
|
}
|
|
this.expect(3);
|
|
node.value = this.flowParseTypeInitialiser();
|
|
node.variance = variance;
|
|
return this.finishNode(node, "ObjectTypeIndexer");
|
|
}
|
|
flowParseObjectTypeInternalSlot(node, isStatic) {
|
|
node.static = isStatic;
|
|
node.id = this.flowParseObjectPropertyKey();
|
|
this.expect(3);
|
|
this.expect(3);
|
|
if (this.match(47) || this.match(10)) {
|
|
node.method = true;
|
|
node.optional = false;
|
|
node.value = this.flowParseObjectTypeMethodish(this.startNodeAt(node.loc.start));
|
|
} else {
|
|
node.method = false;
|
|
if (this.eat(17)) {
|
|
node.optional = true;
|
|
}
|
|
node.value = this.flowParseTypeInitialiser();
|
|
}
|
|
return this.finishNode(node, "ObjectTypeInternalSlot");
|
|
}
|
|
flowParseObjectTypeMethodish(node) {
|
|
node.params = [];
|
|
node.rest = null;
|
|
node.typeParameters = null;
|
|
node.this = null;
|
|
if (this.match(47)) {
|
|
node.typeParameters = this.flowParseTypeParameterDeclaration();
|
|
}
|
|
this.expect(10);
|
|
if (this.match(78)) {
|
|
node.this = this.flowParseFunctionTypeParam(true);
|
|
node.this.name = null;
|
|
if (!this.match(11)) {
|
|
this.expect(12);
|
|
}
|
|
}
|
|
while (!this.match(11) && !this.match(21)) {
|
|
node.params.push(this.flowParseFunctionTypeParam(false));
|
|
if (!this.match(11)) {
|
|
this.expect(12);
|
|
}
|
|
}
|
|
if (this.eat(21)) {
|
|
node.rest = this.flowParseFunctionTypeParam(false);
|
|
}
|
|
this.expect(11);
|
|
node.returnType = this.flowParseTypeInitialiser();
|
|
return this.finishNode(node, "FunctionTypeAnnotation");
|
|
}
|
|
flowParseObjectTypeCallProperty(node, isStatic) {
|
|
const valueNode = this.startNode();
|
|
node.static = isStatic;
|
|
node.value = this.flowParseObjectTypeMethodish(valueNode);
|
|
return this.finishNode(node, "ObjectTypeCallProperty");
|
|
}
|
|
flowParseObjectType({
|
|
allowStatic,
|
|
allowExact,
|
|
allowSpread,
|
|
allowProto,
|
|
allowInexact
|
|
}) {
|
|
const oldInType = this.state.inType;
|
|
this.state.inType = true;
|
|
const nodeStart = this.startNode();
|
|
nodeStart.callProperties = [];
|
|
nodeStart.properties = [];
|
|
nodeStart.indexers = [];
|
|
nodeStart.internalSlots = [];
|
|
let endDelim;
|
|
let exact;
|
|
let inexact = false;
|
|
if (allowExact && this.match(6)) {
|
|
this.expect(6);
|
|
endDelim = 9;
|
|
exact = true;
|
|
} else {
|
|
this.expect(5);
|
|
endDelim = 8;
|
|
exact = false;
|
|
}
|
|
nodeStart.exact = exact;
|
|
while (!this.match(endDelim)) {
|
|
let isStatic = false;
|
|
let protoStartLoc = null;
|
|
let inexactStartLoc = null;
|
|
const node = this.startNode();
|
|
if (allowProto && this.isContextual(118)) {
|
|
const lookahead = this.lookahead();
|
|
if (lookahead.type !== 14 && lookahead.type !== 17) {
|
|
this.next();
|
|
protoStartLoc = this.state.startLoc;
|
|
allowStatic = false;
|
|
}
|
|
}
|
|
if (allowStatic && this.isContextual(106)) {
|
|
const lookahead = this.lookahead();
|
|
if (lookahead.type !== 14 && lookahead.type !== 17) {
|
|
this.next();
|
|
isStatic = true;
|
|
}
|
|
}
|
|
const variance = this.flowParseVariance();
|
|
if (this.eat(0)) {
|
|
if (protoStartLoc != null) {
|
|
this.unexpected(protoStartLoc);
|
|
}
|
|
if (this.eat(0)) {
|
|
if (variance) {
|
|
this.unexpected(variance.loc.start);
|
|
}
|
|
nodeStart.internalSlots.push(this.flowParseObjectTypeInternalSlot(node, isStatic));
|
|
} else {
|
|
nodeStart.indexers.push(this.flowParseObjectTypeIndexer(node, isStatic, variance));
|
|
}
|
|
} else if (this.match(10) || this.match(47)) {
|
|
if (protoStartLoc != null) {
|
|
this.unexpected(protoStartLoc);
|
|
}
|
|
if (variance) {
|
|
this.unexpected(variance.loc.start);
|
|
}
|
|
nodeStart.callProperties.push(this.flowParseObjectTypeCallProperty(node, isStatic));
|
|
} else {
|
|
let kind = "init";
|
|
if (this.isContextual(99) || this.isContextual(104)) {
|
|
const lookahead = this.lookahead();
|
|
if (tokenIsLiteralPropertyName(lookahead.type)) {
|
|
kind = this.state.value;
|
|
this.next();
|
|
}
|
|
}
|
|
const propOrInexact = this.flowParseObjectTypeProperty(node, isStatic, protoStartLoc, variance, kind, allowSpread, allowInexact != null ? allowInexact : !exact);
|
|
if (propOrInexact === null) {
|
|
inexact = true;
|
|
inexactStartLoc = this.state.lastTokStartLoc;
|
|
} else {
|
|
nodeStart.properties.push(propOrInexact);
|
|
}
|
|
}
|
|
this.flowObjectTypeSemicolon();
|
|
if (inexactStartLoc && !this.match(8) && !this.match(9)) {
|
|
this.raise(FlowErrors.UnexpectedExplicitInexactInObject, inexactStartLoc);
|
|
}
|
|
}
|
|
this.expect(endDelim);
|
|
if (allowSpread) {
|
|
nodeStart.inexact = inexact;
|
|
}
|
|
const out = this.finishNode(nodeStart, "ObjectTypeAnnotation");
|
|
this.state.inType = oldInType;
|
|
return out;
|
|
}
|
|
flowParseObjectTypeProperty(node, isStatic, protoStartLoc, variance, kind, allowSpread, allowInexact) {
|
|
if (this.eat(21)) {
|
|
const isInexactToken = this.match(12) || this.match(13) || this.match(8) || this.match(9);
|
|
if (isInexactToken) {
|
|
if (!allowSpread) {
|
|
this.raise(FlowErrors.InexactInsideNonObject, this.state.lastTokStartLoc);
|
|
} else if (!allowInexact) {
|
|
this.raise(FlowErrors.InexactInsideExact, this.state.lastTokStartLoc);
|
|
}
|
|
if (variance) {
|
|
this.raise(FlowErrors.InexactVariance, variance);
|
|
}
|
|
return null;
|
|
}
|
|
if (!allowSpread) {
|
|
this.raise(FlowErrors.UnexpectedSpreadType, this.state.lastTokStartLoc);
|
|
}
|
|
if (protoStartLoc != null) {
|
|
this.unexpected(protoStartLoc);
|
|
}
|
|
if (variance) {
|
|
this.raise(FlowErrors.SpreadVariance, variance);
|
|
}
|
|
node.argument = this.flowParseType();
|
|
return this.finishNode(node, "ObjectTypeSpreadProperty");
|
|
} else {
|
|
node.key = this.flowParseObjectPropertyKey();
|
|
node.static = isStatic;
|
|
node.proto = protoStartLoc != null;
|
|
node.kind = kind;
|
|
let optional = false;
|
|
if (this.match(47) || this.match(10)) {
|
|
node.method = true;
|
|
if (protoStartLoc != null) {
|
|
this.unexpected(protoStartLoc);
|
|
}
|
|
if (variance) {
|
|
this.unexpected(variance.loc.start);
|
|
}
|
|
node.value = this.flowParseObjectTypeMethodish(this.startNodeAt(node.loc.start));
|
|
if (kind === "get" || kind === "set") {
|
|
this.flowCheckGetterSetterParams(node);
|
|
}
|
|
if (!allowSpread && node.key.name === "constructor" && node.value.this) {
|
|
this.raise(FlowErrors.ThisParamBannedInConstructor, node.value.this);
|
|
}
|
|
} else {
|
|
if (kind !== "init") this.unexpected();
|
|
node.method = false;
|
|
if (this.eat(17)) {
|
|
optional = true;
|
|
}
|
|
node.value = this.flowParseTypeInitialiser();
|
|
node.variance = variance;
|
|
}
|
|
node.optional = optional;
|
|
return this.finishNode(node, "ObjectTypeProperty");
|
|
}
|
|
}
|
|
flowCheckGetterSetterParams(property) {
|
|
const paramCount = property.kind === "get" ? 0 : 1;
|
|
const length = property.value.params.length + (property.value.rest ? 1 : 0);
|
|
if (property.value.this) {
|
|
this.raise(property.kind === "get" ? FlowErrors.GetterMayNotHaveThisParam : FlowErrors.SetterMayNotHaveThisParam, property.value.this);
|
|
}
|
|
if (length !== paramCount) {
|
|
this.raise(property.kind === "get" ? Errors.BadGetterArity : Errors.BadSetterArity, property);
|
|
}
|
|
if (property.kind === "set" && property.value.rest) {
|
|
this.raise(Errors.BadSetterRestParameter, property);
|
|
}
|
|
}
|
|
flowObjectTypeSemicolon() {
|
|
if (!this.eat(13) && !this.eat(12) && !this.match(8) && !this.match(9)) {
|
|
this.unexpected();
|
|
}
|
|
}
|
|
flowParseQualifiedTypeIdentifier(startLoc, id) {
|
|
var _startLoc;
|
|
(_startLoc = startLoc) != null ? _startLoc : startLoc = this.state.startLoc;
|
|
let node = id || this.flowParseRestrictedIdentifier(true);
|
|
while (this.eat(16)) {
|
|
const node2 = this.startNodeAt(startLoc);
|
|
node2.qualification = node;
|
|
node2.id = this.flowParseRestrictedIdentifier(true);
|
|
node = this.finishNode(node2, "QualifiedTypeIdentifier");
|
|
}
|
|
return node;
|
|
}
|
|
flowParseGenericType(startLoc, id) {
|
|
const node = this.startNodeAt(startLoc);
|
|
node.typeParameters = null;
|
|
node.id = this.flowParseQualifiedTypeIdentifier(startLoc, id);
|
|
if (this.match(47)) {
|
|
node.typeParameters = this.flowParseTypeParameterInstantiation();
|
|
}
|
|
return this.finishNode(node, "GenericTypeAnnotation");
|
|
}
|
|
flowParseTypeofType() {
|
|
const node = this.startNode();
|
|
this.expect(87);
|
|
node.argument = this.flowParsePrimaryType();
|
|
return this.finishNode(node, "TypeofTypeAnnotation");
|
|
}
|
|
flowParseTupleType() {
|
|
const node = this.startNode();
|
|
node.types = [];
|
|
this.expect(0);
|
|
while (this.state.pos < this.length && !this.match(3)) {
|
|
node.types.push(this.flowParseType());
|
|
if (this.match(3)) break;
|
|
this.expect(12);
|
|
}
|
|
this.expect(3);
|
|
return this.finishNode(node, "TupleTypeAnnotation");
|
|
}
|
|
flowParseFunctionTypeParam(first) {
|
|
let name = null;
|
|
let optional = false;
|
|
let typeAnnotation = null;
|
|
const node = this.startNode();
|
|
const lh = this.lookahead();
|
|
const isThis = this.state.type === 78;
|
|
if (lh.type === 14 || lh.type === 17) {
|
|
if (isThis && !first) {
|
|
this.raise(FlowErrors.ThisParamMustBeFirst, node);
|
|
}
|
|
name = this.parseIdentifier(isThis);
|
|
if (this.eat(17)) {
|
|
optional = true;
|
|
if (isThis) {
|
|
this.raise(FlowErrors.ThisParamMayNotBeOptional, node);
|
|
}
|
|
}
|
|
typeAnnotation = this.flowParseTypeInitialiser();
|
|
} else {
|
|
typeAnnotation = this.flowParseType();
|
|
}
|
|
node.name = name;
|
|
node.optional = optional;
|
|
node.typeAnnotation = typeAnnotation;
|
|
return this.finishNode(node, "FunctionTypeParam");
|
|
}
|
|
reinterpretTypeAsFunctionTypeParam(type) {
|
|
const node = this.startNodeAt(type.loc.start);
|
|
node.name = null;
|
|
node.optional = false;
|
|
node.typeAnnotation = type;
|
|
return this.finishNode(node, "FunctionTypeParam");
|
|
}
|
|
flowParseFunctionTypeParams(params = []) {
|
|
let rest = null;
|
|
let _this = null;
|
|
if (this.match(78)) {
|
|
_this = this.flowParseFunctionTypeParam(true);
|
|
_this.name = null;
|
|
if (!this.match(11)) {
|
|
this.expect(12);
|
|
}
|
|
}
|
|
while (!this.match(11) && !this.match(21)) {
|
|
params.push(this.flowParseFunctionTypeParam(false));
|
|
if (!this.match(11)) {
|
|
this.expect(12);
|
|
}
|
|
}
|
|
if (this.eat(21)) {
|
|
rest = this.flowParseFunctionTypeParam(false);
|
|
}
|
|
return {
|
|
params,
|
|
rest,
|
|
_this
|
|
};
|
|
}
|
|
flowIdentToTypeAnnotation(startLoc, node, id) {
|
|
switch (id.name) {
|
|
case "any":
|
|
return this.finishNode(node, "AnyTypeAnnotation");
|
|
case "bool":
|
|
case "boolean":
|
|
return this.finishNode(node, "BooleanTypeAnnotation");
|
|
case "mixed":
|
|
return this.finishNode(node, "MixedTypeAnnotation");
|
|
case "empty":
|
|
return this.finishNode(node, "EmptyTypeAnnotation");
|
|
case "number":
|
|
return this.finishNode(node, "NumberTypeAnnotation");
|
|
case "string":
|
|
return this.finishNode(node, "StringTypeAnnotation");
|
|
case "symbol":
|
|
return this.finishNode(node, "SymbolTypeAnnotation");
|
|
default:
|
|
this.checkNotUnderscore(id.name);
|
|
return this.flowParseGenericType(startLoc, id);
|
|
}
|
|
}
|
|
flowParsePrimaryType() {
|
|
const startLoc = this.state.startLoc;
|
|
const node = this.startNode();
|
|
let tmp;
|
|
let type;
|
|
let isGroupedType = false;
|
|
const oldNoAnonFunctionType = this.state.noAnonFunctionType;
|
|
switch (this.state.type) {
|
|
case 5:
|
|
return this.flowParseObjectType({
|
|
allowStatic: false,
|
|
allowExact: false,
|
|
allowSpread: true,
|
|
allowProto: false,
|
|
allowInexact: true
|
|
});
|
|
case 6:
|
|
return this.flowParseObjectType({
|
|
allowStatic: false,
|
|
allowExact: true,
|
|
allowSpread: true,
|
|
allowProto: false,
|
|
allowInexact: false
|
|
});
|
|
case 0:
|
|
this.state.noAnonFunctionType = false;
|
|
type = this.flowParseTupleType();
|
|
this.state.noAnonFunctionType = oldNoAnonFunctionType;
|
|
return type;
|
|
case 47:
|
|
node.typeParameters = this.flowParseTypeParameterDeclaration();
|
|
this.expect(10);
|
|
tmp = this.flowParseFunctionTypeParams();
|
|
node.params = tmp.params;
|
|
node.rest = tmp.rest;
|
|
node.this = tmp._this;
|
|
this.expect(11);
|
|
this.expect(19);
|
|
node.returnType = this.flowParseType();
|
|
return this.finishNode(node, "FunctionTypeAnnotation");
|
|
case 10:
|
|
this.next();
|
|
if (!this.match(11) && !this.match(21)) {
|
|
if (tokenIsIdentifier(this.state.type) || this.match(78)) {
|
|
const token = this.lookahead().type;
|
|
isGroupedType = token !== 17 && token !== 14;
|
|
} else {
|
|
isGroupedType = true;
|
|
}
|
|
}
|
|
if (isGroupedType) {
|
|
this.state.noAnonFunctionType = false;
|
|
type = this.flowParseType();
|
|
this.state.noAnonFunctionType = oldNoAnonFunctionType;
|
|
if (this.state.noAnonFunctionType || !(this.match(12) || this.match(11) && this.lookahead().type === 19)) {
|
|
this.expect(11);
|
|
return type;
|
|
} else {
|
|
this.eat(12);
|
|
}
|
|
}
|
|
if (type) {
|
|
tmp = this.flowParseFunctionTypeParams([this.reinterpretTypeAsFunctionTypeParam(type)]);
|
|
} else {
|
|
tmp = this.flowParseFunctionTypeParams();
|
|
}
|
|
node.params = tmp.params;
|
|
node.rest = tmp.rest;
|
|
node.this = tmp._this;
|
|
this.expect(11);
|
|
this.expect(19);
|
|
node.returnType = this.flowParseType();
|
|
node.typeParameters = null;
|
|
return this.finishNode(node, "FunctionTypeAnnotation");
|
|
case 133:
|
|
return this.parseLiteral(this.state.value, "StringLiteralTypeAnnotation");
|
|
case 85:
|
|
case 86:
|
|
node.value = this.match(85);
|
|
this.next();
|
|
return this.finishNode(node, "BooleanLiteralTypeAnnotation");
|
|
case 53:
|
|
if (this.state.value === "-") {
|
|
this.next();
|
|
if (this.match(134)) {
|
|
return this.parseLiteralAtNode(-this.state.value, "NumberLiteralTypeAnnotation", node);
|
|
}
|
|
if (this.match(135)) {
|
|
return this.parseLiteralAtNode(-this.state.value, "BigIntLiteralTypeAnnotation", node);
|
|
}
|
|
throw this.raise(FlowErrors.UnexpectedSubtractionOperand, this.state.startLoc);
|
|
}
|
|
this.unexpected();
|
|
return;
|
|
case 134:
|
|
return this.parseLiteral(this.state.value, "NumberLiteralTypeAnnotation");
|
|
case 135:
|
|
return this.parseLiteral(this.state.value, "BigIntLiteralTypeAnnotation");
|
|
case 88:
|
|
this.next();
|
|
return this.finishNode(node, "VoidTypeAnnotation");
|
|
case 84:
|
|
this.next();
|
|
return this.finishNode(node, "NullLiteralTypeAnnotation");
|
|
case 78:
|
|
this.next();
|
|
return this.finishNode(node, "ThisTypeAnnotation");
|
|
case 55:
|
|
this.next();
|
|
return this.finishNode(node, "ExistsTypeAnnotation");
|
|
case 87:
|
|
return this.flowParseTypeofType();
|
|
default:
|
|
if (tokenIsKeyword(this.state.type)) {
|
|
const label = tokenLabelName(this.state.type);
|
|
this.next();
|
|
return super.createIdentifier(node, label);
|
|
} else if (tokenIsIdentifier(this.state.type)) {
|
|
if (this.isContextual(129)) {
|
|
return this.flowParseInterfaceType();
|
|
}
|
|
return this.flowIdentToTypeAnnotation(startLoc, node, this.parseIdentifier());
|
|
}
|
|
}
|
|
this.unexpected();
|
|
}
|
|
flowParsePostfixType() {
|
|
const startLoc = this.state.startLoc;
|
|
let type = this.flowParsePrimaryType();
|
|
let seenOptionalIndexedAccess = false;
|
|
while ((this.match(0) || this.match(18)) && !this.canInsertSemicolon()) {
|
|
const node = this.startNodeAt(startLoc);
|
|
const optional = this.eat(18);
|
|
seenOptionalIndexedAccess = seenOptionalIndexedAccess || optional;
|
|
this.expect(0);
|
|
if (!optional && this.match(3)) {
|
|
node.elementType = type;
|
|
this.next();
|
|
type = this.finishNode(node, "ArrayTypeAnnotation");
|
|
} else {
|
|
node.objectType = type;
|
|
node.indexType = this.flowParseType();
|
|
this.expect(3);
|
|
if (seenOptionalIndexedAccess) {
|
|
node.optional = optional;
|
|
type = this.finishNode(node, "OptionalIndexedAccessType");
|
|
} else {
|
|
type = this.finishNode(node, "IndexedAccessType");
|
|
}
|
|
}
|
|
}
|
|
return type;
|
|
}
|
|
flowParsePrefixType() {
|
|
const node = this.startNode();
|
|
if (this.eat(17)) {
|
|
node.typeAnnotation = this.flowParsePrefixType();
|
|
return this.finishNode(node, "NullableTypeAnnotation");
|
|
} else {
|
|
return this.flowParsePostfixType();
|
|
}
|
|
}
|
|
flowParseAnonFunctionWithoutParens() {
|
|
const param = this.flowParsePrefixType();
|
|
if (!this.state.noAnonFunctionType && this.eat(19)) {
|
|
const node = this.startNodeAt(param.loc.start);
|
|
node.params = [this.reinterpretTypeAsFunctionTypeParam(param)];
|
|
node.rest = null;
|
|
node.this = null;
|
|
node.returnType = this.flowParseType();
|
|
node.typeParameters = null;
|
|
return this.finishNode(node, "FunctionTypeAnnotation");
|
|
}
|
|
return param;
|
|
}
|
|
flowParseIntersectionType() {
|
|
const node = this.startNode();
|
|
this.eat(45);
|
|
const type = this.flowParseAnonFunctionWithoutParens();
|
|
node.types = [type];
|
|
while (this.eat(45)) {
|
|
node.types.push(this.flowParseAnonFunctionWithoutParens());
|
|
}
|
|
return node.types.length === 1 ? type : this.finishNode(node, "IntersectionTypeAnnotation");
|
|
}
|
|
flowParseUnionType() {
|
|
const node = this.startNode();
|
|
this.eat(43);
|
|
const type = this.flowParseIntersectionType();
|
|
node.types = [type];
|
|
while (this.eat(43)) {
|
|
node.types.push(this.flowParseIntersectionType());
|
|
}
|
|
return node.types.length === 1 ? type : this.finishNode(node, "UnionTypeAnnotation");
|
|
}
|
|
flowParseType() {
|
|
const oldInType = this.state.inType;
|
|
this.state.inType = true;
|
|
const type = this.flowParseUnionType();
|
|
this.state.inType = oldInType;
|
|
return type;
|
|
}
|
|
flowParseTypeOrImplicitInstantiation() {
|
|
if (this.state.type === 132 && this.state.value === "_") {
|
|
const startLoc = this.state.startLoc;
|
|
const node = this.parseIdentifier();
|
|
return this.flowParseGenericType(startLoc, node);
|
|
} else {
|
|
return this.flowParseType();
|
|
}
|
|
}
|
|
flowParseTypeAnnotation() {
|
|
const node = this.startNode();
|
|
node.typeAnnotation = this.flowParseTypeInitialiser();
|
|
return this.finishNode(node, "TypeAnnotation");
|
|
}
|
|
flowParseTypeAnnotatableIdentifier(allowPrimitiveOverride) {
|
|
const ident = allowPrimitiveOverride ? this.parseIdentifier() : this.flowParseRestrictedIdentifier();
|
|
if (this.match(14)) {
|
|
ident.typeAnnotation = this.flowParseTypeAnnotation();
|
|
this.resetEndLocation(ident);
|
|
}
|
|
return ident;
|
|
}
|
|
typeCastToParameter(node) {
|
|
node.expression.typeAnnotation = node.typeAnnotation;
|
|
this.resetEndLocation(node.expression, node.typeAnnotation.loc.end);
|
|
return node.expression;
|
|
}
|
|
flowParseVariance() {
|
|
let variance = null;
|
|
if (this.match(53)) {
|
|
variance = this.startNode();
|
|
if (this.state.value === "+") {
|
|
variance.kind = "plus";
|
|
} else {
|
|
variance.kind = "minus";
|
|
}
|
|
this.next();
|
|
return this.finishNode(variance, "Variance");
|
|
}
|
|
return variance;
|
|
}
|
|
parseFunctionBody(node, allowExpressionBody, isMethod = false) {
|
|
if (allowExpressionBody) {
|
|
this.forwardNoArrowParamsConversionAt(node, () => super.parseFunctionBody(node, true, isMethod));
|
|
return;
|
|
}
|
|
super.parseFunctionBody(node, false, isMethod);
|
|
}
|
|
parseFunctionBodyAndFinish(node, type, isMethod = false) {
|
|
if (this.match(14)) {
|
|
const typeNode = this.startNode();
|
|
[typeNode.typeAnnotation, node.predicate] = this.flowParseTypeAndPredicateInitialiser();
|
|
node.returnType = typeNode.typeAnnotation ? this.finishNode(typeNode, "TypeAnnotation") : null;
|
|
}
|
|
return super.parseFunctionBodyAndFinish(node, type, isMethod);
|
|
}
|
|
parseStatementLike(flags) {
|
|
if (this.state.strict && this.isContextual(129)) {
|
|
const lookahead = this.lookahead();
|
|
if (tokenIsKeywordOrIdentifier(lookahead.type)) {
|
|
const node = this.startNode();
|
|
this.next();
|
|
return this.flowParseInterface(node);
|
|
}
|
|
} else if (this.shouldParseEnums() && this.isContextual(126)) {
|
|
const node = this.startNode();
|
|
this.next();
|
|
return this.flowParseEnumDeclaration(node);
|
|
}
|
|
const stmt = super.parseStatementLike(flags);
|
|
if (this.flowPragma === undefined && !this.isValidDirective(stmt)) {
|
|
this.flowPragma = null;
|
|
}
|
|
return stmt;
|
|
}
|
|
parseExpressionStatement(node, expr, decorators) {
|
|
if (expr.type === "Identifier") {
|
|
if (expr.name === "declare") {
|
|
if (this.match(80) || tokenIsIdentifier(this.state.type) || this.match(68) || this.match(74) || this.match(82)) {
|
|
return this.flowParseDeclare(node);
|
|
}
|
|
} else if (tokenIsIdentifier(this.state.type)) {
|
|
if (expr.name === "interface") {
|
|
return this.flowParseInterface(node);
|
|
} else if (expr.name === "type") {
|
|
return this.flowParseTypeAlias(node);
|
|
} else if (expr.name === "opaque") {
|
|
return this.flowParseOpaqueType(node, false);
|
|
}
|
|
}
|
|
}
|
|
return super.parseExpressionStatement(node, expr, decorators);
|
|
}
|
|
shouldParseExportDeclaration() {
|
|
const {
|
|
type
|
|
} = this.state;
|
|
if (tokenIsFlowInterfaceOrTypeOrOpaque(type) || this.shouldParseEnums() && type === 126) {
|
|
return !this.state.containsEsc;
|
|
}
|
|
return super.shouldParseExportDeclaration();
|
|
}
|
|
isExportDefaultSpecifier() {
|
|
const {
|
|
type
|
|
} = this.state;
|
|
if (tokenIsFlowInterfaceOrTypeOrOpaque(type) || this.shouldParseEnums() && type === 126) {
|
|
return this.state.containsEsc;
|
|
}
|
|
return super.isExportDefaultSpecifier();
|
|
}
|
|
parseExportDefaultExpression() {
|
|
if (this.shouldParseEnums() && this.isContextual(126)) {
|
|
const node = this.startNode();
|
|
this.next();
|
|
return this.flowParseEnumDeclaration(node);
|
|
}
|
|
return super.parseExportDefaultExpression();
|
|
}
|
|
parseConditional(expr, startLoc, refExpressionErrors) {
|
|
if (!this.match(17)) return expr;
|
|
if (this.state.maybeInArrowParameters) {
|
|
const nextCh = this.lookaheadCharCode();
|
|
if (nextCh === 44 || nextCh === 61 || nextCh === 58 || nextCh === 41) {
|
|
this.setOptionalParametersError(refExpressionErrors);
|
|
return expr;
|
|
}
|
|
}
|
|
this.expect(17);
|
|
const state = this.state.clone();
|
|
const originalNoArrowAt = this.state.noArrowAt;
|
|
const node = this.startNodeAt(startLoc);
|
|
let {
|
|
consequent,
|
|
failed
|
|
} = this.tryParseConditionalConsequent();
|
|
let [valid, invalid] = this.getArrowLikeExpressions(consequent);
|
|
if (failed || invalid.length > 0) {
|
|
const noArrowAt = [...originalNoArrowAt];
|
|
if (invalid.length > 0) {
|
|
this.state = state;
|
|
this.state.noArrowAt = noArrowAt;
|
|
for (let i = 0; i < invalid.length; i++) {
|
|
noArrowAt.push(invalid[i].start);
|
|
}
|
|
({
|
|
consequent,
|
|
failed
|
|
} = this.tryParseConditionalConsequent());
|
|
[valid, invalid] = this.getArrowLikeExpressions(consequent);
|
|
}
|
|
if (failed && valid.length > 1) {
|
|
this.raise(FlowErrors.AmbiguousConditionalArrow, state.startLoc);
|
|
}
|
|
if (failed && valid.length === 1) {
|
|
this.state = state;
|
|
noArrowAt.push(valid[0].start);
|
|
this.state.noArrowAt = noArrowAt;
|
|
({
|
|
consequent,
|
|
failed
|
|
} = this.tryParseConditionalConsequent());
|
|
}
|
|
}
|
|
this.getArrowLikeExpressions(consequent, true);
|
|
this.state.noArrowAt = originalNoArrowAt;
|
|
this.expect(14);
|
|
node.test = expr;
|
|
node.consequent = consequent;
|
|
node.alternate = this.forwardNoArrowParamsConversionAt(node, () => this.parseMaybeAssign(undefined, undefined));
|
|
return this.finishNode(node, "ConditionalExpression");
|
|
}
|
|
tryParseConditionalConsequent() {
|
|
this.state.noArrowParamsConversionAt.push(this.state.start);
|
|
const consequent = this.parseMaybeAssignAllowIn();
|
|
const failed = !this.match(14);
|
|
this.state.noArrowParamsConversionAt.pop();
|
|
return {
|
|
consequent,
|
|
failed
|
|
};
|
|
}
|
|
getArrowLikeExpressions(node, disallowInvalid) {
|
|
const stack = [node];
|
|
const arrows = [];
|
|
while (stack.length !== 0) {
|
|
const node = stack.pop();
|
|
if (node.type === "ArrowFunctionExpression") {
|
|
if (node.typeParameters || !node.returnType) {
|
|
this.finishArrowValidation(node);
|
|
} else {
|
|
arrows.push(node);
|
|
}
|
|
stack.push(node.body);
|
|
} else if (node.type === "ConditionalExpression") {
|
|
stack.push(node.consequent);
|
|
stack.push(node.alternate);
|
|
}
|
|
}
|
|
if (disallowInvalid) {
|
|
arrows.forEach(node => this.finishArrowValidation(node));
|
|
return [arrows, []];
|
|
}
|
|
return partition(arrows, node => node.params.every(param => this.isAssignable(param, true)));
|
|
}
|
|
finishArrowValidation(node) {
|
|
var _node$extra;
|
|
this.toAssignableList(node.params, (_node$extra = node.extra) == null ? void 0 : _node$extra.trailingCommaLoc, false);
|
|
this.scope.enter(2 | 4);
|
|
super.checkParams(node, false, true);
|
|
this.scope.exit();
|
|
}
|
|
forwardNoArrowParamsConversionAt(node, parse) {
|
|
let result;
|
|
if (this.state.noArrowParamsConversionAt.indexOf(node.start) !== -1) {
|
|
this.state.noArrowParamsConversionAt.push(this.state.start);
|
|
result = parse();
|
|
this.state.noArrowParamsConversionAt.pop();
|
|
} else {
|
|
result = parse();
|
|
}
|
|
return result;
|
|
}
|
|
parseParenItem(node, startLoc) {
|
|
node = super.parseParenItem(node, startLoc);
|
|
if (this.eat(17)) {
|
|
node.optional = true;
|
|
this.resetEndLocation(node);
|
|
}
|
|
if (this.match(14)) {
|
|
const typeCastNode = this.startNodeAt(startLoc);
|
|
typeCastNode.expression = node;
|
|
typeCastNode.typeAnnotation = this.flowParseTypeAnnotation();
|
|
return this.finishNode(typeCastNode, "TypeCastExpression");
|
|
}
|
|
return node;
|
|
}
|
|
assertModuleNodeAllowed(node) {
|
|
if (node.type === "ImportDeclaration" && (node.importKind === "type" || node.importKind === "typeof") || node.type === "ExportNamedDeclaration" && node.exportKind === "type" || node.type === "ExportAllDeclaration" && node.exportKind === "type") {
|
|
return;
|
|
}
|
|
super.assertModuleNodeAllowed(node);
|
|
}
|
|
parseExportDeclaration(node) {
|
|
if (this.isContextual(130)) {
|
|
node.exportKind = "type";
|
|
const declarationNode = this.startNode();
|
|
this.next();
|
|
if (this.match(5)) {
|
|
node.specifiers = this.parseExportSpecifiers(true);
|
|
super.parseExportFrom(node);
|
|
return null;
|
|
} else {
|
|
return this.flowParseTypeAlias(declarationNode);
|
|
}
|
|
} else if (this.isContextual(131)) {
|
|
node.exportKind = "type";
|
|
const declarationNode = this.startNode();
|
|
this.next();
|
|
return this.flowParseOpaqueType(declarationNode, false);
|
|
} else if (this.isContextual(129)) {
|
|
node.exportKind = "type";
|
|
const declarationNode = this.startNode();
|
|
this.next();
|
|
return this.flowParseInterface(declarationNode);
|
|
} else if (this.shouldParseEnums() && this.isContextual(126)) {
|
|
node.exportKind = "value";
|
|
const declarationNode = this.startNode();
|
|
this.next();
|
|
return this.flowParseEnumDeclaration(declarationNode);
|
|
} else {
|
|
return super.parseExportDeclaration(node);
|
|
}
|
|
}
|
|
eatExportStar(node) {
|
|
if (super.eatExportStar(node)) return true;
|
|
if (this.isContextual(130) && this.lookahead().type === 55) {
|
|
node.exportKind = "type";
|
|
this.next();
|
|
this.next();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
maybeParseExportNamespaceSpecifier(node) {
|
|
const {
|
|
startLoc
|
|
} = this.state;
|
|
const hasNamespace = super.maybeParseExportNamespaceSpecifier(node);
|
|
if (hasNamespace && node.exportKind === "type") {
|
|
this.unexpected(startLoc);
|
|
}
|
|
return hasNamespace;
|
|
}
|
|
parseClassId(node, isStatement, optionalId) {
|
|
super.parseClassId(node, isStatement, optionalId);
|
|
if (this.match(47)) {
|
|
node.typeParameters = this.flowParseTypeParameterDeclaration();
|
|
}
|
|
}
|
|
parseClassMember(classBody, member, state) {
|
|
const {
|
|
startLoc
|
|
} = this.state;
|
|
if (this.isContextual(125)) {
|
|
if (super.parseClassMemberFromModifier(classBody, member)) {
|
|
return;
|
|
}
|
|
member.declare = true;
|
|
}
|
|
super.parseClassMember(classBody, member, state);
|
|
if (member.declare) {
|
|
if (member.type !== "ClassProperty" && member.type !== "ClassPrivateProperty" && member.type !== "PropertyDefinition") {
|
|
this.raise(FlowErrors.DeclareClassElement, startLoc);
|
|
} else if (member.value) {
|
|
this.raise(FlowErrors.DeclareClassFieldInitializer, member.value);
|
|
}
|
|
}
|
|
}
|
|
isIterator(word) {
|
|
return word === "iterator" || word === "asyncIterator";
|
|
}
|
|
readIterator() {
|
|
const word = super.readWord1();
|
|
const fullWord = "@@" + word;
|
|
if (!this.isIterator(word) || !this.state.inType) {
|
|
this.raise(Errors.InvalidIdentifier, this.state.curPosition(), {
|
|
identifierName: fullWord
|
|
});
|
|
}
|
|
this.finishToken(132, fullWord);
|
|
}
|
|
getTokenFromCode(code) {
|
|
const next = this.input.charCodeAt(this.state.pos + 1);
|
|
if (code === 123 && next === 124) {
|
|
this.finishOp(6, 2);
|
|
} else if (this.state.inType && (code === 62 || code === 60)) {
|
|
this.finishOp(code === 62 ? 48 : 47, 1);
|
|
} else if (this.state.inType && code === 63) {
|
|
if (next === 46) {
|
|
this.finishOp(18, 2);
|
|
} else {
|
|
this.finishOp(17, 1);
|
|
}
|
|
} else if (isIteratorStart(code, next, this.input.charCodeAt(this.state.pos + 2))) {
|
|
this.state.pos += 2;
|
|
this.readIterator();
|
|
} else {
|
|
super.getTokenFromCode(code);
|
|
}
|
|
}
|
|
isAssignable(node, isBinding) {
|
|
if (node.type === "TypeCastExpression") {
|
|
return this.isAssignable(node.expression, isBinding);
|
|
} else {
|
|
return super.isAssignable(node, isBinding);
|
|
}
|
|
}
|
|
toAssignable(node, isLHS = false) {
|
|
if (!isLHS && node.type === "AssignmentExpression" && node.left.type === "TypeCastExpression") {
|
|
node.left = this.typeCastToParameter(node.left);
|
|
}
|
|
super.toAssignable(node, isLHS);
|
|
}
|
|
toAssignableList(exprList, trailingCommaLoc, isLHS) {
|
|
for (let i = 0; i < exprList.length; i++) {
|
|
const expr = exprList[i];
|
|
if ((expr == null ? void 0 : expr.type) === "TypeCastExpression") {
|
|
exprList[i] = this.typeCastToParameter(expr);
|
|
}
|
|
}
|
|
super.toAssignableList(exprList, trailingCommaLoc, isLHS);
|
|
}
|
|
toReferencedList(exprList, isParenthesizedExpr) {
|
|
for (let i = 0; i < exprList.length; i++) {
|
|
var _expr$extra;
|
|
const expr = exprList[i];
|
|
if (expr && expr.type === "TypeCastExpression" && !((_expr$extra = expr.extra) != null && _expr$extra.parenthesized) && (exprList.length > 1 || !isParenthesizedExpr)) {
|
|
this.raise(FlowErrors.TypeCastInPattern, expr.typeAnnotation);
|
|
}
|
|
}
|
|
return exprList;
|
|
}
|
|
parseArrayLike(close, canBePattern, isTuple, refExpressionErrors) {
|
|
const node = super.parseArrayLike(close, canBePattern, isTuple, refExpressionErrors);
|
|
if (canBePattern && !this.state.maybeInArrowParameters) {
|
|
this.toReferencedList(node.elements);
|
|
}
|
|
return node;
|
|
}
|
|
isValidLVal(type, isParenthesized, binding) {
|
|
return type === "TypeCastExpression" || super.isValidLVal(type, isParenthesized, binding);
|
|
}
|
|
parseClassProperty(node) {
|
|
if (this.match(14)) {
|
|
node.typeAnnotation = this.flowParseTypeAnnotation();
|
|
}
|
|
return super.parseClassProperty(node);
|
|
}
|
|
parseClassPrivateProperty(node) {
|
|
if (this.match(14)) {
|
|
node.typeAnnotation = this.flowParseTypeAnnotation();
|
|
}
|
|
return super.parseClassPrivateProperty(node);
|
|
}
|
|
isClassMethod() {
|
|
return this.match(47) || super.isClassMethod();
|
|
}
|
|
isClassProperty() {
|
|
return this.match(14) || super.isClassProperty();
|
|
}
|
|
isNonstaticConstructor(method) {
|
|
return !this.match(14) && super.isNonstaticConstructor(method);
|
|
}
|
|
pushClassMethod(classBody, method, isGenerator, isAsync, isConstructor, allowsDirectSuper) {
|
|
if (method.variance) {
|
|
this.unexpected(method.variance.loc.start);
|
|
}
|
|
delete method.variance;
|
|
if (this.match(47)) {
|
|
method.typeParameters = this.flowParseTypeParameterDeclaration();
|
|
}
|
|
super.pushClassMethod(classBody, method, isGenerator, isAsync, isConstructor, allowsDirectSuper);
|
|
if (method.params && isConstructor) {
|
|
const params = method.params;
|
|
if (params.length > 0 && this.isThisParam(params[0])) {
|
|
this.raise(FlowErrors.ThisParamBannedInConstructor, method);
|
|
}
|
|
} else if (method.type === "MethodDefinition" && isConstructor && method.value.params) {
|
|
const params = method.value.params;
|
|
if (params.length > 0 && this.isThisParam(params[0])) {
|
|
this.raise(FlowErrors.ThisParamBannedInConstructor, method);
|
|
}
|
|
}
|
|
}
|
|
pushClassPrivateMethod(classBody, method, isGenerator, isAsync) {
|
|
if (method.variance) {
|
|
this.unexpected(method.variance.loc.start);
|
|
}
|
|
delete method.variance;
|
|
if (this.match(47)) {
|
|
method.typeParameters = this.flowParseTypeParameterDeclaration();
|
|
}
|
|
super.pushClassPrivateMethod(classBody, method, isGenerator, isAsync);
|
|
}
|
|
parseClassSuper(node) {
|
|
super.parseClassSuper(node);
|
|
if (node.superClass && this.match(47)) {
|
|
node.superTypeParameters = this.flowParseTypeParameterInstantiation();
|
|
}
|
|
if (this.isContextual(113)) {
|
|
this.next();
|
|
const implemented = node.implements = [];
|
|
do {
|
|
const node = this.startNode();
|
|
node.id = this.flowParseRestrictedIdentifier(true);
|
|
if (this.match(47)) {
|
|
node.typeParameters = this.flowParseTypeParameterInstantiation();
|
|
} else {
|
|
node.typeParameters = null;
|
|
}
|
|
implemented.push(this.finishNode(node, "ClassImplements"));
|
|
} while (this.eat(12));
|
|
}
|
|
}
|
|
checkGetterSetterParams(method) {
|
|
super.checkGetterSetterParams(method);
|
|
const params = this.getObjectOrClassMethodParams(method);
|
|
if (params.length > 0) {
|
|
const param = params[0];
|
|
if (this.isThisParam(param) && method.kind === "get") {
|
|
this.raise(FlowErrors.GetterMayNotHaveThisParam, param);
|
|
} else if (this.isThisParam(param)) {
|
|
this.raise(FlowErrors.SetterMayNotHaveThisParam, param);
|
|
}
|
|
}
|
|
}
|
|
parsePropertyNamePrefixOperator(node) {
|
|
node.variance = this.flowParseVariance();
|
|
}
|
|
parseObjPropValue(prop, startLoc, isGenerator, isAsync, isPattern, isAccessor, refExpressionErrors) {
|
|
if (prop.variance) {
|
|
this.unexpected(prop.variance.loc.start);
|
|
}
|
|
delete prop.variance;
|
|
let typeParameters;
|
|
if (this.match(47) && !isAccessor) {
|
|
typeParameters = this.flowParseTypeParameterDeclaration();
|
|
if (!this.match(10)) this.unexpected();
|
|
}
|
|
const result = super.parseObjPropValue(prop, startLoc, isGenerator, isAsync, isPattern, isAccessor, refExpressionErrors);
|
|
if (typeParameters) {
|
|
(result.value || result).typeParameters = typeParameters;
|
|
}
|
|
return result;
|
|
}
|
|
parseAssignableListItemTypes(param) {
|
|
if (this.eat(17)) {
|
|
if (param.type !== "Identifier") {
|
|
this.raise(FlowErrors.PatternIsOptional, param);
|
|
}
|
|
if (this.isThisParam(param)) {
|
|
this.raise(FlowErrors.ThisParamMayNotBeOptional, param);
|
|
}
|
|
param.optional = true;
|
|
}
|
|
if (this.match(14)) {
|
|
param.typeAnnotation = this.flowParseTypeAnnotation();
|
|
} else if (this.isThisParam(param)) {
|
|
this.raise(FlowErrors.ThisParamAnnotationRequired, param);
|
|
}
|
|
if (this.match(29) && this.isThisParam(param)) {
|
|
this.raise(FlowErrors.ThisParamNoDefault, param);
|
|
}
|
|
this.resetEndLocation(param);
|
|
return param;
|
|
}
|
|
parseMaybeDefault(startLoc, left) {
|
|
const node = super.parseMaybeDefault(startLoc, left);
|
|
if (node.type === "AssignmentPattern" && node.typeAnnotation && node.right.start < node.typeAnnotation.start) {
|
|
this.raise(FlowErrors.TypeBeforeInitializer, node.typeAnnotation);
|
|
}
|
|
return node;
|
|
}
|
|
checkImportReflection(node) {
|
|
super.checkImportReflection(node);
|
|
if (node.module && node.importKind !== "value") {
|
|
this.raise(FlowErrors.ImportReflectionHasImportType, node.specifiers[0].loc.start);
|
|
}
|
|
}
|
|
parseImportSpecifierLocal(node, specifier, type) {
|
|
specifier.local = hasTypeImportKind(node) ? this.flowParseRestrictedIdentifier(true, true) : this.parseIdentifier();
|
|
node.specifiers.push(this.finishImportSpecifier(specifier, type));
|
|
}
|
|
isPotentialImportPhase(isExport) {
|
|
if (super.isPotentialImportPhase(isExport)) return true;
|
|
if (this.isContextual(130)) {
|
|
if (!isExport) return true;
|
|
const ch = this.lookaheadCharCode();
|
|
return ch === 123 || ch === 42;
|
|
}
|
|
return !isExport && this.isContextual(87);
|
|
}
|
|
applyImportPhase(node, isExport, phase, loc) {
|
|
super.applyImportPhase(node, isExport, phase, loc);
|
|
if (isExport) {
|
|
if (!phase && this.match(65)) {
|
|
return;
|
|
}
|
|
node.exportKind = phase === "type" ? phase : "value";
|
|
} else {
|
|
if (phase === "type" && this.match(55)) this.unexpected();
|
|
node.importKind = phase === "type" || phase === "typeof" ? phase : "value";
|
|
}
|
|
}
|
|
parseImportSpecifier(specifier, importedIsString, isInTypeOnlyImport, isMaybeTypeOnly, bindingType) {
|
|
const firstIdent = specifier.imported;
|
|
let specifierTypeKind = null;
|
|
if (firstIdent.type === "Identifier") {
|
|
if (firstIdent.name === "type") {
|
|
specifierTypeKind = "type";
|
|
} else if (firstIdent.name === "typeof") {
|
|
specifierTypeKind = "typeof";
|
|
}
|
|
}
|
|
let isBinding = false;
|
|
if (this.isContextual(93) && !this.isLookaheadContextual("as")) {
|
|
const as_ident = this.parseIdentifier(true);
|
|
if (specifierTypeKind !== null && !tokenIsKeywordOrIdentifier(this.state.type)) {
|
|
specifier.imported = as_ident;
|
|
specifier.importKind = specifierTypeKind;
|
|
specifier.local = cloneIdentifier(as_ident);
|
|
} else {
|
|
specifier.imported = firstIdent;
|
|
specifier.importKind = null;
|
|
specifier.local = this.parseIdentifier();
|
|
}
|
|
} else {
|
|
if (specifierTypeKind !== null && tokenIsKeywordOrIdentifier(this.state.type)) {
|
|
specifier.imported = this.parseIdentifier(true);
|
|
specifier.importKind = specifierTypeKind;
|
|
} else {
|
|
if (importedIsString) {
|
|
throw this.raise(Errors.ImportBindingIsString, specifier, {
|
|
importName: firstIdent.value
|
|
});
|
|
}
|
|
specifier.imported = firstIdent;
|
|
specifier.importKind = null;
|
|
}
|
|
if (this.eatContextual(93)) {
|
|
specifier.local = this.parseIdentifier();
|
|
} else {
|
|
isBinding = true;
|
|
specifier.local = cloneIdentifier(specifier.imported);
|
|
}
|
|
}
|
|
const specifierIsTypeImport = hasTypeImportKind(specifier);
|
|
if (isInTypeOnlyImport && specifierIsTypeImport) {
|
|
this.raise(FlowErrors.ImportTypeShorthandOnlyInPureImport, specifier);
|
|
}
|
|
if (isInTypeOnlyImport || specifierIsTypeImport) {
|
|
this.checkReservedType(specifier.local.name, specifier.local.loc.start, true);
|
|
}
|
|
if (isBinding && !isInTypeOnlyImport && !specifierIsTypeImport) {
|
|
this.checkReservedWord(specifier.local.name, specifier.loc.start, true, true);
|
|
}
|
|
return this.finishImportSpecifier(specifier, "ImportSpecifier");
|
|
}
|
|
parseBindingAtom() {
|
|
switch (this.state.type) {
|
|
case 78:
|
|
return this.parseIdentifier(true);
|
|
default:
|
|
return super.parseBindingAtom();
|
|
}
|
|
}
|
|
parseFunctionParams(node, isConstructor) {
|
|
const kind = node.kind;
|
|
if (kind !== "get" && kind !== "set" && this.match(47)) {
|
|
node.typeParameters = this.flowParseTypeParameterDeclaration();
|
|
}
|
|
super.parseFunctionParams(node, isConstructor);
|
|
}
|
|
parseVarId(decl, kind) {
|
|
super.parseVarId(decl, kind);
|
|
if (this.match(14)) {
|
|
decl.id.typeAnnotation = this.flowParseTypeAnnotation();
|
|
this.resetEndLocation(decl.id);
|
|
}
|
|
}
|
|
parseAsyncArrowFromCallExpression(node, call) {
|
|
if (this.match(14)) {
|
|
const oldNoAnonFunctionType = this.state.noAnonFunctionType;
|
|
this.state.noAnonFunctionType = true;
|
|
node.returnType = this.flowParseTypeAnnotation();
|
|
this.state.noAnonFunctionType = oldNoAnonFunctionType;
|
|
}
|
|
return super.parseAsyncArrowFromCallExpression(node, call);
|
|
}
|
|
shouldParseAsyncArrow() {
|
|
return this.match(14) || super.shouldParseAsyncArrow();
|
|
}
|
|
parseMaybeAssign(refExpressionErrors, afterLeftParse) {
|
|
var _jsx;
|
|
let state = null;
|
|
let jsx;
|
|
if (this.hasPlugin("jsx") && (this.match(142) || this.match(47))) {
|
|
state = this.state.clone();
|
|
jsx = this.tryParse(() => super.parseMaybeAssign(refExpressionErrors, afterLeftParse), state);
|
|
if (!jsx.error) return jsx.node;
|
|
const {
|
|
context
|
|
} = this.state;
|
|
const currentContext = context[context.length - 1];
|
|
if (currentContext === types.j_oTag || currentContext === types.j_expr) {
|
|
context.pop();
|
|
}
|
|
}
|
|
if ((_jsx = jsx) != null && _jsx.error || this.match(47)) {
|
|
var _jsx2, _jsx3;
|
|
state = state || this.state.clone();
|
|
let typeParameters;
|
|
const arrow = this.tryParse(abort => {
|
|
var _arrowExpression$extr;
|
|
typeParameters = this.flowParseTypeParameterDeclaration();
|
|
const arrowExpression = this.forwardNoArrowParamsConversionAt(typeParameters, () => {
|
|
const result = super.parseMaybeAssign(refExpressionErrors, afterLeftParse);
|
|
this.resetStartLocationFromNode(result, typeParameters);
|
|
return result;
|
|
});
|
|
if ((_arrowExpression$extr = arrowExpression.extra) != null && _arrowExpression$extr.parenthesized) abort();
|
|
const expr = this.maybeUnwrapTypeCastExpression(arrowExpression);
|
|
if (expr.type !== "ArrowFunctionExpression") abort();
|
|
expr.typeParameters = typeParameters;
|
|
this.resetStartLocationFromNode(expr, typeParameters);
|
|
return arrowExpression;
|
|
}, state);
|
|
let arrowExpression = null;
|
|
if (arrow.node && this.maybeUnwrapTypeCastExpression(arrow.node).type === "ArrowFunctionExpression") {
|
|
if (!arrow.error && !arrow.aborted) {
|
|
if (arrow.node.async) {
|
|
this.raise(FlowErrors.UnexpectedTypeParameterBeforeAsyncArrowFunction, typeParameters);
|
|
}
|
|
return arrow.node;
|
|
}
|
|
arrowExpression = arrow.node;
|
|
}
|
|
if ((_jsx2 = jsx) != null && _jsx2.node) {
|
|
this.state = jsx.failState;
|
|
return jsx.node;
|
|
}
|
|
if (arrowExpression) {
|
|
this.state = arrow.failState;
|
|
return arrowExpression;
|
|
}
|
|
if ((_jsx3 = jsx) != null && _jsx3.thrown) throw jsx.error;
|
|
if (arrow.thrown) throw arrow.error;
|
|
throw this.raise(FlowErrors.UnexpectedTokenAfterTypeParameter, typeParameters);
|
|
}
|
|
return super.parseMaybeAssign(refExpressionErrors, afterLeftParse);
|
|
}
|
|
parseArrow(node) {
|
|
if (this.match(14)) {
|
|
const result = this.tryParse(() => {
|
|
const oldNoAnonFunctionType = this.state.noAnonFunctionType;
|
|
this.state.noAnonFunctionType = true;
|
|
const typeNode = this.startNode();
|
|
[typeNode.typeAnnotation, node.predicate] = this.flowParseTypeAndPredicateInitialiser();
|
|
this.state.noAnonFunctionType = oldNoAnonFunctionType;
|
|
if (this.canInsertSemicolon()) this.unexpected();
|
|
if (!this.match(19)) this.unexpected();
|
|
return typeNode;
|
|
});
|
|
if (result.thrown) return null;
|
|
if (result.error) this.state = result.failState;
|
|
node.returnType = result.node.typeAnnotation ? this.finishNode(result.node, "TypeAnnotation") : null;
|
|
}
|
|
return super.parseArrow(node);
|
|
}
|
|
shouldParseArrow(params) {
|
|
return this.match(14) || super.shouldParseArrow(params);
|
|
}
|
|
setArrowFunctionParameters(node, params) {
|
|
if (this.state.noArrowParamsConversionAt.indexOf(node.start) !== -1) {
|
|
node.params = params;
|
|
} else {
|
|
super.setArrowFunctionParameters(node, params);
|
|
}
|
|
}
|
|
checkParams(node, allowDuplicates, isArrowFunction, strictModeChanged = true) {
|
|
if (isArrowFunction && this.state.noArrowParamsConversionAt.indexOf(node.start) !== -1) {
|
|
return;
|
|
}
|
|
for (let i = 0; i < node.params.length; i++) {
|
|
if (this.isThisParam(node.params[i]) && i > 0) {
|
|
this.raise(FlowErrors.ThisParamMustBeFirst, node.params[i]);
|
|
}
|
|
}
|
|
super.checkParams(node, allowDuplicates, isArrowFunction, strictModeChanged);
|
|
}
|
|
parseParenAndDistinguishExpression(canBeArrow) {
|
|
return super.parseParenAndDistinguishExpression(canBeArrow && this.state.noArrowAt.indexOf(this.state.start) === -1);
|
|
}
|
|
parseSubscripts(base, startLoc, noCalls) {
|
|
if (base.type === "Identifier" && base.name === "async" && this.state.noArrowAt.indexOf(startLoc.index) !== -1) {
|
|
this.next();
|
|
const node = this.startNodeAt(startLoc);
|
|
node.callee = base;
|
|
node.arguments = super.parseCallExpressionArguments(11, false);
|
|
base = this.finishNode(node, "CallExpression");
|
|
} else if (base.type === "Identifier" && base.name === "async" && this.match(47)) {
|
|
const state = this.state.clone();
|
|
const arrow = this.tryParse(abort => this.parseAsyncArrowWithTypeParameters(startLoc) || abort(), state);
|
|
if (!arrow.error && !arrow.aborted) return arrow.node;
|
|
const result = this.tryParse(() => super.parseSubscripts(base, startLoc, noCalls), state);
|
|
if (result.node && !result.error) return result.node;
|
|
if (arrow.node) {
|
|
this.state = arrow.failState;
|
|
return arrow.node;
|
|
}
|
|
if (result.node) {
|
|
this.state = result.failState;
|
|
return result.node;
|
|
}
|
|
throw arrow.error || result.error;
|
|
}
|
|
return super.parseSubscripts(base, startLoc, noCalls);
|
|
}
|
|
parseSubscript(base, startLoc, noCalls, subscriptState) {
|
|
if (this.match(18) && this.isLookaheadToken_lt()) {
|
|
subscriptState.optionalChainMember = true;
|
|
if (noCalls) {
|
|
subscriptState.stop = true;
|
|
return base;
|
|
}
|
|
this.next();
|
|
const node = this.startNodeAt(startLoc);
|
|
node.callee = base;
|
|
node.typeArguments = this.flowParseTypeParameterInstantiation();
|
|
this.expect(10);
|
|
node.arguments = this.parseCallExpressionArguments(11, false);
|
|
node.optional = true;
|
|
return this.finishCallExpression(node, true);
|
|
} else if (!noCalls && this.shouldParseTypes() && this.match(47)) {
|
|
const node = this.startNodeAt(startLoc);
|
|
node.callee = base;
|
|
const result = this.tryParse(() => {
|
|
node.typeArguments = this.flowParseTypeParameterInstantiationCallOrNew();
|
|
this.expect(10);
|
|
node.arguments = super.parseCallExpressionArguments(11, false);
|
|
if (subscriptState.optionalChainMember) {
|
|
node.optional = false;
|
|
}
|
|
return this.finishCallExpression(node, subscriptState.optionalChainMember);
|
|
});
|
|
if (result.node) {
|
|
if (result.error) this.state = result.failState;
|
|
return result.node;
|
|
}
|
|
}
|
|
return super.parseSubscript(base, startLoc, noCalls, subscriptState);
|
|
}
|
|
parseNewCallee(node) {
|
|
super.parseNewCallee(node);
|
|
let targs = null;
|
|
if (this.shouldParseTypes() && this.match(47)) {
|
|
targs = this.tryParse(() => this.flowParseTypeParameterInstantiationCallOrNew()).node;
|
|
}
|
|
node.typeArguments = targs;
|
|
}
|
|
parseAsyncArrowWithTypeParameters(startLoc) {
|
|
const node = this.startNodeAt(startLoc);
|
|
this.parseFunctionParams(node, false);
|
|
if (!this.parseArrow(node)) return;
|
|
return super.parseArrowExpression(node, undefined, true);
|
|
}
|
|
readToken_mult_modulo(code) {
|
|
const next = this.input.charCodeAt(this.state.pos + 1);
|
|
if (code === 42 && next === 47 && this.state.hasFlowComment) {
|
|
this.state.hasFlowComment = false;
|
|
this.state.pos += 2;
|
|
this.nextToken();
|
|
return;
|
|
}
|
|
super.readToken_mult_modulo(code);
|
|
}
|
|
readToken_pipe_amp(code) {
|
|
const next = this.input.charCodeAt(this.state.pos + 1);
|
|
if (code === 124 && next === 125) {
|
|
this.finishOp(9, 2);
|
|
return;
|
|
}
|
|
super.readToken_pipe_amp(code);
|
|
}
|
|
parseTopLevel(file, program) {
|
|
const fileNode = super.parseTopLevel(file, program);
|
|
if (this.state.hasFlowComment) {
|
|
this.raise(FlowErrors.UnterminatedFlowComment, this.state.curPosition());
|
|
}
|
|
return fileNode;
|
|
}
|
|
skipBlockComment() {
|
|
if (this.hasPlugin("flowComments") && this.skipFlowComment()) {
|
|
if (this.state.hasFlowComment) {
|
|
throw this.raise(FlowErrors.NestedFlowComment, this.state.startLoc);
|
|
}
|
|
this.hasFlowCommentCompletion();
|
|
const commentSkip = this.skipFlowComment();
|
|
if (commentSkip) {
|
|
this.state.pos += commentSkip;
|
|
this.state.hasFlowComment = true;
|
|
}
|
|
return;
|
|
}
|
|
return super.skipBlockComment(this.state.hasFlowComment ? "*-/" : "*/");
|
|
}
|
|
skipFlowComment() {
|
|
const {
|
|
pos
|
|
} = this.state;
|
|
let shiftToFirstNonWhiteSpace = 2;
|
|
while ([32, 9].includes(this.input.charCodeAt(pos + shiftToFirstNonWhiteSpace))) {
|
|
shiftToFirstNonWhiteSpace++;
|
|
}
|
|
const ch2 = this.input.charCodeAt(shiftToFirstNonWhiteSpace + pos);
|
|
const ch3 = this.input.charCodeAt(shiftToFirstNonWhiteSpace + pos + 1);
|
|
if (ch2 === 58 && ch3 === 58) {
|
|
return shiftToFirstNonWhiteSpace + 2;
|
|
}
|
|
if (this.input.slice(shiftToFirstNonWhiteSpace + pos, shiftToFirstNonWhiteSpace + pos + 12) === "flow-include") {
|
|
return shiftToFirstNonWhiteSpace + 12;
|
|
}
|
|
if (ch2 === 58 && ch3 !== 58) {
|
|
return shiftToFirstNonWhiteSpace;
|
|
}
|
|
return false;
|
|
}
|
|
hasFlowCommentCompletion() {
|
|
const end = this.input.indexOf("*/", this.state.pos);
|
|
if (end === -1) {
|
|
throw this.raise(Errors.UnterminatedComment, this.state.curPosition());
|
|
}
|
|
}
|
|
flowEnumErrorBooleanMemberNotInitialized(loc, {
|
|
enumName,
|
|
memberName
|
|
}) {
|
|
this.raise(FlowErrors.EnumBooleanMemberNotInitialized, loc, {
|
|
memberName,
|
|
enumName
|
|
});
|
|
}
|
|
flowEnumErrorInvalidMemberInitializer(loc, enumContext) {
|
|
return this.raise(!enumContext.explicitType ? FlowErrors.EnumInvalidMemberInitializerUnknownType : enumContext.explicitType === "symbol" ? FlowErrors.EnumInvalidMemberInitializerSymbolType : FlowErrors.EnumInvalidMemberInitializerPrimaryType, loc, enumContext);
|
|
}
|
|
flowEnumErrorNumberMemberNotInitialized(loc, details) {
|
|
this.raise(FlowErrors.EnumNumberMemberNotInitialized, loc, details);
|
|
}
|
|
flowEnumErrorStringMemberInconsistentlyInitialized(node, details) {
|
|
this.raise(FlowErrors.EnumStringMemberInconsistentlyInitialized, node, details);
|
|
}
|
|
flowEnumMemberInit() {
|
|
const startLoc = this.state.startLoc;
|
|
const endOfInit = () => this.match(12) || this.match(8);
|
|
switch (this.state.type) {
|
|
case 134:
|
|
{
|
|
const literal = this.parseNumericLiteral(this.state.value);
|
|
if (endOfInit()) {
|
|
return {
|
|
type: "number",
|
|
loc: literal.loc.start,
|
|
value: literal
|
|
};
|
|
}
|
|
return {
|
|
type: "invalid",
|
|
loc: startLoc
|
|
};
|
|
}
|
|
case 133:
|
|
{
|
|
const literal = this.parseStringLiteral(this.state.value);
|
|
if (endOfInit()) {
|
|
return {
|
|
type: "string",
|
|
loc: literal.loc.start,
|
|
value: literal
|
|
};
|
|
}
|
|
return {
|
|
type: "invalid",
|
|
loc: startLoc
|
|
};
|
|
}
|
|
case 85:
|
|
case 86:
|
|
{
|
|
const literal = this.parseBooleanLiteral(this.match(85));
|
|
if (endOfInit()) {
|
|
return {
|
|
type: "boolean",
|
|
loc: literal.loc.start,
|
|
value: literal
|
|
};
|
|
}
|
|
return {
|
|
type: "invalid",
|
|
loc: startLoc
|
|
};
|
|
}
|
|
default:
|
|
return {
|
|
type: "invalid",
|
|
loc: startLoc
|
|
};
|
|
}
|
|
}
|
|
flowEnumMemberRaw() {
|
|
const loc = this.state.startLoc;
|
|
const id = this.parseIdentifier(true);
|
|
const init = this.eat(29) ? this.flowEnumMemberInit() : {
|
|
type: "none",
|
|
loc
|
|
};
|
|
return {
|
|
id,
|
|
init
|
|
};
|
|
}
|
|
flowEnumCheckExplicitTypeMismatch(loc, context, expectedType) {
|
|
const {
|
|
explicitType
|
|
} = context;
|
|
if (explicitType === null) {
|
|
return;
|
|
}
|
|
if (explicitType !== expectedType) {
|
|
this.flowEnumErrorInvalidMemberInitializer(loc, context);
|
|
}
|
|
}
|
|
flowEnumMembers({
|
|
enumName,
|
|
explicitType
|
|
}) {
|
|
const seenNames = new Set();
|
|
const members = {
|
|
booleanMembers: [],
|
|
numberMembers: [],
|
|
stringMembers: [],
|
|
defaultedMembers: []
|
|
};
|
|
let hasUnknownMembers = false;
|
|
while (!this.match(8)) {
|
|
if (this.eat(21)) {
|
|
hasUnknownMembers = true;
|
|
break;
|
|
}
|
|
const memberNode = this.startNode();
|
|
const {
|
|
id,
|
|
init
|
|
} = this.flowEnumMemberRaw();
|
|
const memberName = id.name;
|
|
if (memberName === "") {
|
|
continue;
|
|
}
|
|
if (/^[a-z]/.test(memberName)) {
|
|
this.raise(FlowErrors.EnumInvalidMemberName, id, {
|
|
memberName,
|
|
suggestion: memberName[0].toUpperCase() + memberName.slice(1),
|
|
enumName
|
|
});
|
|
}
|
|
if (seenNames.has(memberName)) {
|
|
this.raise(FlowErrors.EnumDuplicateMemberName, id, {
|
|
memberName,
|
|
enumName
|
|
});
|
|
}
|
|
seenNames.add(memberName);
|
|
const context = {
|
|
enumName,
|
|
explicitType,
|
|
memberName
|
|
};
|
|
memberNode.id = id;
|
|
switch (init.type) {
|
|
case "boolean":
|
|
{
|
|
this.flowEnumCheckExplicitTypeMismatch(init.loc, context, "boolean");
|
|
memberNode.init = init.value;
|
|
members.booleanMembers.push(this.finishNode(memberNode, "EnumBooleanMember"));
|
|
break;
|
|
}
|
|
case "number":
|
|
{
|
|
this.flowEnumCheckExplicitTypeMismatch(init.loc, context, "number");
|
|
memberNode.init = init.value;
|
|
members.numberMembers.push(this.finishNode(memberNode, "EnumNumberMember"));
|
|
break;
|
|
}
|
|
case "string":
|
|
{
|
|
this.flowEnumCheckExplicitTypeMismatch(init.loc, context, "string");
|
|
memberNode.init = init.value;
|
|
members.stringMembers.push(this.finishNode(memberNode, "EnumStringMember"));
|
|
break;
|
|
}
|
|
case "invalid":
|
|
{
|
|
throw this.flowEnumErrorInvalidMemberInitializer(init.loc, context);
|
|
}
|
|
case "none":
|
|
{
|
|
switch (explicitType) {
|
|
case "boolean":
|
|
this.flowEnumErrorBooleanMemberNotInitialized(init.loc, context);
|
|
break;
|
|
case "number":
|
|
this.flowEnumErrorNumberMemberNotInitialized(init.loc, context);
|
|
break;
|
|
default:
|
|
members.defaultedMembers.push(this.finishNode(memberNode, "EnumDefaultedMember"));
|
|
}
|
|
}
|
|
}
|
|
if (!this.match(8)) {
|
|
this.expect(12);
|
|
}
|
|
}
|
|
return {
|
|
members,
|
|
hasUnknownMembers
|
|
};
|
|
}
|
|
flowEnumStringMembers(initializedMembers, defaultedMembers, {
|
|
enumName
|
|
}) {
|
|
if (initializedMembers.length === 0) {
|
|
return defaultedMembers;
|
|
} else if (defaultedMembers.length === 0) {
|
|
return initializedMembers;
|
|
} else if (defaultedMembers.length > initializedMembers.length) {
|
|
for (const member of initializedMembers) {
|
|
this.flowEnumErrorStringMemberInconsistentlyInitialized(member, {
|
|
enumName
|
|
});
|
|
}
|
|
return defaultedMembers;
|
|
} else {
|
|
for (const member of defaultedMembers) {
|
|
this.flowEnumErrorStringMemberInconsistentlyInitialized(member, {
|
|
enumName
|
|
});
|
|
}
|
|
return initializedMembers;
|
|
}
|
|
}
|
|
flowEnumParseExplicitType({
|
|
enumName
|
|
}) {
|
|
if (!this.eatContextual(102)) return null;
|
|
if (!tokenIsIdentifier(this.state.type)) {
|
|
throw this.raise(FlowErrors.EnumInvalidExplicitTypeUnknownSupplied, this.state.startLoc, {
|
|
enumName
|
|
});
|
|
}
|
|
const {
|
|
value
|
|
} = this.state;
|
|
this.next();
|
|
if (value !== "boolean" && value !== "number" && value !== "string" && value !== "symbol") {
|
|
this.raise(FlowErrors.EnumInvalidExplicitType, this.state.startLoc, {
|
|
enumName,
|
|
invalidEnumType: value
|
|
});
|
|
}
|
|
return value;
|
|
}
|
|
flowEnumBody(node, id) {
|
|
const enumName = id.name;
|
|
const nameLoc = id.loc.start;
|
|
const explicitType = this.flowEnumParseExplicitType({
|
|
enumName
|
|
});
|
|
this.expect(5);
|
|
const {
|
|
members,
|
|
hasUnknownMembers
|
|
} = this.flowEnumMembers({
|
|
enumName,
|
|
explicitType
|
|
});
|
|
node.hasUnknownMembers = hasUnknownMembers;
|
|
switch (explicitType) {
|
|
case "boolean":
|
|
node.explicitType = true;
|
|
node.members = members.booleanMembers;
|
|
this.expect(8);
|
|
return this.finishNode(node, "EnumBooleanBody");
|
|
case "number":
|
|
node.explicitType = true;
|
|
node.members = members.numberMembers;
|
|
this.expect(8);
|
|
return this.finishNode(node, "EnumNumberBody");
|
|
case "string":
|
|
node.explicitType = true;
|
|
node.members = this.flowEnumStringMembers(members.stringMembers, members.defaultedMembers, {
|
|
enumName
|
|
});
|
|
this.expect(8);
|
|
return this.finishNode(node, "EnumStringBody");
|
|
case "symbol":
|
|
node.members = members.defaultedMembers;
|
|
this.expect(8);
|
|
return this.finishNode(node, "EnumSymbolBody");
|
|
default:
|
|
{
|
|
const empty = () => {
|
|
node.members = [];
|
|
this.expect(8);
|
|
return this.finishNode(node, "EnumStringBody");
|
|
};
|
|
node.explicitType = false;
|
|
const boolsLen = members.booleanMembers.length;
|
|
const numsLen = members.numberMembers.length;
|
|
const strsLen = members.stringMembers.length;
|
|
const defaultedLen = members.defaultedMembers.length;
|
|
if (!boolsLen && !numsLen && !strsLen && !defaultedLen) {
|
|
return empty();
|
|
} else if (!boolsLen && !numsLen) {
|
|
node.members = this.flowEnumStringMembers(members.stringMembers, members.defaultedMembers, {
|
|
enumName
|
|
});
|
|
this.expect(8);
|
|
return this.finishNode(node, "EnumStringBody");
|
|
} else if (!numsLen && !strsLen && boolsLen >= defaultedLen) {
|
|
for (const member of members.defaultedMembers) {
|
|
this.flowEnumErrorBooleanMemberNotInitialized(member.loc.start, {
|
|
enumName,
|
|
memberName: member.id.name
|
|
});
|
|
}
|
|
node.members = members.booleanMembers;
|
|
this.expect(8);
|
|
return this.finishNode(node, "EnumBooleanBody");
|
|
} else if (!boolsLen && !strsLen && numsLen >= defaultedLen) {
|
|
for (const member of members.defaultedMembers) {
|
|
this.flowEnumErrorNumberMemberNotInitialized(member.loc.start, {
|
|
enumName,
|
|
memberName: member.id.name
|
|
});
|
|
}
|
|
node.members = members.numberMembers;
|
|
this.expect(8);
|
|
return this.finishNode(node, "EnumNumberBody");
|
|
} else {
|
|
this.raise(FlowErrors.EnumInconsistentMemberValues, nameLoc, {
|
|
enumName
|
|
});
|
|
return empty();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
flowParseEnumDeclaration(node) {
|
|
const id = this.parseIdentifier();
|
|
node.id = id;
|
|
node.body = this.flowEnumBody(this.startNode(), id);
|
|
return this.finishNode(node, "EnumDeclaration");
|
|
}
|
|
isLookaheadToken_lt() {
|
|
const next = this.nextTokenStart();
|
|
if (this.input.charCodeAt(next) === 60) {
|
|
const afterNext = this.input.charCodeAt(next + 1);
|
|
return afterNext !== 60 && afterNext !== 61;
|
|
}
|
|
return false;
|
|
}
|
|
maybeUnwrapTypeCastExpression(node) {
|
|
return node.type === "TypeCastExpression" ? node.expression : node;
|
|
}
|
|
};
|
|
const entities = {
|
|
__proto__: null,
|
|
quot: "\u0022",
|
|
amp: "&",
|
|
apos: "\u0027",
|
|
lt: "<",
|
|
gt: ">",
|
|
nbsp: "\u00A0",
|
|
iexcl: "\u00A1",
|
|
cent: "\u00A2",
|
|
pound: "\u00A3",
|
|
curren: "\u00A4",
|
|
yen: "\u00A5",
|
|
brvbar: "\u00A6",
|
|
sect: "\u00A7",
|
|
uml: "\u00A8",
|
|
copy: "\u00A9",
|
|
ordf: "\u00AA",
|
|
laquo: "\u00AB",
|
|
not: "\u00AC",
|
|
shy: "\u00AD",
|
|
reg: "\u00AE",
|
|
macr: "\u00AF",
|
|
deg: "\u00B0",
|
|
plusmn: "\u00B1",
|
|
sup2: "\u00B2",
|
|
sup3: "\u00B3",
|
|
acute: "\u00B4",
|
|
micro: "\u00B5",
|
|
para: "\u00B6",
|
|
middot: "\u00B7",
|
|
cedil: "\u00B8",
|
|
sup1: "\u00B9",
|
|
ordm: "\u00BA",
|
|
raquo: "\u00BB",
|
|
frac14: "\u00BC",
|
|
frac12: "\u00BD",
|
|
frac34: "\u00BE",
|
|
iquest: "\u00BF",
|
|
Agrave: "\u00C0",
|
|
Aacute: "\u00C1",
|
|
Acirc: "\u00C2",
|
|
Atilde: "\u00C3",
|
|
Auml: "\u00C4",
|
|
Aring: "\u00C5",
|
|
AElig: "\u00C6",
|
|
Ccedil: "\u00C7",
|
|
Egrave: "\u00C8",
|
|
Eacute: "\u00C9",
|
|
Ecirc: "\u00CA",
|
|
Euml: "\u00CB",
|
|
Igrave: "\u00CC",
|
|
Iacute: "\u00CD",
|
|
Icirc: "\u00CE",
|
|
Iuml: "\u00CF",
|
|
ETH: "\u00D0",
|
|
Ntilde: "\u00D1",
|
|
Ograve: "\u00D2",
|
|
Oacute: "\u00D3",
|
|
Ocirc: "\u00D4",
|
|
Otilde: "\u00D5",
|
|
Ouml: "\u00D6",
|
|
times: "\u00D7",
|
|
Oslash: "\u00D8",
|
|
Ugrave: "\u00D9",
|
|
Uacute: "\u00DA",
|
|
Ucirc: "\u00DB",
|
|
Uuml: "\u00DC",
|
|
Yacute: "\u00DD",
|
|
THORN: "\u00DE",
|
|
szlig: "\u00DF",
|
|
agrave: "\u00E0",
|
|
aacute: "\u00E1",
|
|
acirc: "\u00E2",
|
|
atilde: "\u00E3",
|
|
auml: "\u00E4",
|
|
aring: "\u00E5",
|
|
aelig: "\u00E6",
|
|
ccedil: "\u00E7",
|
|
egrave: "\u00E8",
|
|
eacute: "\u00E9",
|
|
ecirc: "\u00EA",
|
|
euml: "\u00EB",
|
|
igrave: "\u00EC",
|
|
iacute: "\u00ED",
|
|
icirc: "\u00EE",
|
|
iuml: "\u00EF",
|
|
eth: "\u00F0",
|
|
ntilde: "\u00F1",
|
|
ograve: "\u00F2",
|
|
oacute: "\u00F3",
|
|
ocirc: "\u00F4",
|
|
otilde: "\u00F5",
|
|
ouml: "\u00F6",
|
|
divide: "\u00F7",
|
|
oslash: "\u00F8",
|
|
ugrave: "\u00F9",
|
|
uacute: "\u00FA",
|
|
ucirc: "\u00FB",
|
|
uuml: "\u00FC",
|
|
yacute: "\u00FD",
|
|
thorn: "\u00FE",
|
|
yuml: "\u00FF",
|
|
OElig: "\u0152",
|
|
oelig: "\u0153",
|
|
Scaron: "\u0160",
|
|
scaron: "\u0161",
|
|
Yuml: "\u0178",
|
|
fnof: "\u0192",
|
|
circ: "\u02C6",
|
|
tilde: "\u02DC",
|
|
Alpha: "\u0391",
|
|
Beta: "\u0392",
|
|
Gamma: "\u0393",
|
|
Delta: "\u0394",
|
|
Epsilon: "\u0395",
|
|
Zeta: "\u0396",
|
|
Eta: "\u0397",
|
|
Theta: "\u0398",
|
|
Iota: "\u0399",
|
|
Kappa: "\u039A",
|
|
Lambda: "\u039B",
|
|
Mu: "\u039C",
|
|
Nu: "\u039D",
|
|
Xi: "\u039E",
|
|
Omicron: "\u039F",
|
|
Pi: "\u03A0",
|
|
Rho: "\u03A1",
|
|
Sigma: "\u03A3",
|
|
Tau: "\u03A4",
|
|
Upsilon: "\u03A5",
|
|
Phi: "\u03A6",
|
|
Chi: "\u03A7",
|
|
Psi: "\u03A8",
|
|
Omega: "\u03A9",
|
|
alpha: "\u03B1",
|
|
beta: "\u03B2",
|
|
gamma: "\u03B3",
|
|
delta: "\u03B4",
|
|
epsilon: "\u03B5",
|
|
zeta: "\u03B6",
|
|
eta: "\u03B7",
|
|
theta: "\u03B8",
|
|
iota: "\u03B9",
|
|
kappa: "\u03BA",
|
|
lambda: "\u03BB",
|
|
mu: "\u03BC",
|
|
nu: "\u03BD",
|
|
xi: "\u03BE",
|
|
omicron: "\u03BF",
|
|
pi: "\u03C0",
|
|
rho: "\u03C1",
|
|
sigmaf: "\u03C2",
|
|
sigma: "\u03C3",
|
|
tau: "\u03C4",
|
|
upsilon: "\u03C5",
|
|
phi: "\u03C6",
|
|
chi: "\u03C7",
|
|
psi: "\u03C8",
|
|
omega: "\u03C9",
|
|
thetasym: "\u03D1",
|
|
upsih: "\u03D2",
|
|
piv: "\u03D6",
|
|
ensp: "\u2002",
|
|
emsp: "\u2003",
|
|
thinsp: "\u2009",
|
|
zwnj: "\u200C",
|
|
zwj: "\u200D",
|
|
lrm: "\u200E",
|
|
rlm: "\u200F",
|
|
ndash: "\u2013",
|
|
mdash: "\u2014",
|
|
lsquo: "\u2018",
|
|
rsquo: "\u2019",
|
|
sbquo: "\u201A",
|
|
ldquo: "\u201C",
|
|
rdquo: "\u201D",
|
|
bdquo: "\u201E",
|
|
dagger: "\u2020",
|
|
Dagger: "\u2021",
|
|
bull: "\u2022",
|
|
hellip: "\u2026",
|
|
permil: "\u2030",
|
|
prime: "\u2032",
|
|
Prime: "\u2033",
|
|
lsaquo: "\u2039",
|
|
rsaquo: "\u203A",
|
|
oline: "\u203E",
|
|
frasl: "\u2044",
|
|
euro: "\u20AC",
|
|
image: "\u2111",
|
|
weierp: "\u2118",
|
|
real: "\u211C",
|
|
trade: "\u2122",
|
|
alefsym: "\u2135",
|
|
larr: "\u2190",
|
|
uarr: "\u2191",
|
|
rarr: "\u2192",
|
|
darr: "\u2193",
|
|
harr: "\u2194",
|
|
crarr: "\u21B5",
|
|
lArr: "\u21D0",
|
|
uArr: "\u21D1",
|
|
rArr: "\u21D2",
|
|
dArr: "\u21D3",
|
|
hArr: "\u21D4",
|
|
forall: "\u2200",
|
|
part: "\u2202",
|
|
exist: "\u2203",
|
|
empty: "\u2205",
|
|
nabla: "\u2207",
|
|
isin: "\u2208",
|
|
notin: "\u2209",
|
|
ni: "\u220B",
|
|
prod: "\u220F",
|
|
sum: "\u2211",
|
|
minus: "\u2212",
|
|
lowast: "\u2217",
|
|
radic: "\u221A",
|
|
prop: "\u221D",
|
|
infin: "\u221E",
|
|
ang: "\u2220",
|
|
and: "\u2227",
|
|
or: "\u2228",
|
|
cap: "\u2229",
|
|
cup: "\u222A",
|
|
int: "\u222B",
|
|
there4: "\u2234",
|
|
sim: "\u223C",
|
|
cong: "\u2245",
|
|
asymp: "\u2248",
|
|
ne: "\u2260",
|
|
equiv: "\u2261",
|
|
le: "\u2264",
|
|
ge: "\u2265",
|
|
sub: "\u2282",
|
|
sup: "\u2283",
|
|
nsub: "\u2284",
|
|
sube: "\u2286",
|
|
supe: "\u2287",
|
|
oplus: "\u2295",
|
|
otimes: "\u2297",
|
|
perp: "\u22A5",
|
|
sdot: "\u22C5",
|
|
lceil: "\u2308",
|
|
rceil: "\u2309",
|
|
lfloor: "\u230A",
|
|
rfloor: "\u230B",
|
|
lang: "\u2329",
|
|
rang: "\u232A",
|
|
loz: "\u25CA",
|
|
spades: "\u2660",
|
|
clubs: "\u2663",
|
|
hearts: "\u2665",
|
|
diams: "\u2666"
|
|
};
|
|
const JsxErrors = ParseErrorEnum`jsx`({
|
|
AttributeIsEmpty: "JSX attributes must only be assigned a non-empty expression.",
|
|
MissingClosingTagElement: ({
|
|
openingTagName
|
|
}) => `Expected corresponding JSX closing tag for <${openingTagName}>.`,
|
|
MissingClosingTagFragment: "Expected corresponding JSX closing tag for <>.",
|
|
UnexpectedSequenceExpression: "Sequence expressions cannot be directly nested inside JSX. Did you mean to wrap it in parentheses (...)?",
|
|
UnexpectedToken: ({
|
|
unexpected,
|
|
HTMLEntity
|
|
}) => `Unexpected token \`${unexpected}\`. Did you mean \`${HTMLEntity}\` or \`{'${unexpected}'}\`?`,
|
|
UnsupportedJsxValue: "JSX value should be either an expression or a quoted JSX text.",
|
|
UnterminatedJsxContent: "Unterminated JSX contents.",
|
|
UnwrappedAdjacentJSXElements: "Adjacent JSX elements must be wrapped in an enclosing tag. Did you want a JSX fragment <>...</>?"
|
|
});
|
|
function isFragment(object) {
|
|
return object ? object.type === "JSXOpeningFragment" || object.type === "JSXClosingFragment" : false;
|
|
}
|
|
function getQualifiedJSXName(object) {
|
|
if (object.type === "JSXIdentifier") {
|
|
return object.name;
|
|
}
|
|
if (object.type === "JSXNamespacedName") {
|
|
return object.namespace.name + ":" + object.name.name;
|
|
}
|
|
if (object.type === "JSXMemberExpression") {
|
|
return getQualifiedJSXName(object.object) + "." + getQualifiedJSXName(object.property);
|
|
}
|
|
throw new Error("Node had unexpected type: " + object.type);
|
|
}
|
|
var jsx = superClass => class JSXParserMixin extends superClass {
|
|
jsxReadToken() {
|
|
let out = "";
|
|
let chunkStart = this.state.pos;
|
|
for (;;) {
|
|
if (this.state.pos >= this.length) {
|
|
throw this.raise(JsxErrors.UnterminatedJsxContent, this.state.startLoc);
|
|
}
|
|
const ch = this.input.charCodeAt(this.state.pos);
|
|
switch (ch) {
|
|
case 60:
|
|
case 123:
|
|
if (this.state.pos === this.state.start) {
|
|
if (ch === 60 && this.state.canStartJSXElement) {
|
|
++this.state.pos;
|
|
this.finishToken(142);
|
|
} else {
|
|
super.getTokenFromCode(ch);
|
|
}
|
|
return;
|
|
}
|
|
out += this.input.slice(chunkStart, this.state.pos);
|
|
this.finishToken(141, out);
|
|
return;
|
|
case 38:
|
|
out += this.input.slice(chunkStart, this.state.pos);
|
|
out += this.jsxReadEntity();
|
|
chunkStart = this.state.pos;
|
|
break;
|
|
case 62:
|
|
case 125:
|
|
default:
|
|
if (isNewLine(ch)) {
|
|
out += this.input.slice(chunkStart, this.state.pos);
|
|
out += this.jsxReadNewLine(true);
|
|
chunkStart = this.state.pos;
|
|
} else {
|
|
++this.state.pos;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
jsxReadNewLine(normalizeCRLF) {
|
|
const ch = this.input.charCodeAt(this.state.pos);
|
|
let out;
|
|
++this.state.pos;
|
|
if (ch === 13 && this.input.charCodeAt(this.state.pos) === 10) {
|
|
++this.state.pos;
|
|
out = normalizeCRLF ? "\n" : "\r\n";
|
|
} else {
|
|
out = String.fromCharCode(ch);
|
|
}
|
|
++this.state.curLine;
|
|
this.state.lineStart = this.state.pos;
|
|
return out;
|
|
}
|
|
jsxReadString(quote) {
|
|
let out = "";
|
|
let chunkStart = ++this.state.pos;
|
|
for (;;) {
|
|
if (this.state.pos >= this.length) {
|
|
throw this.raise(Errors.UnterminatedString, this.state.startLoc);
|
|
}
|
|
const ch = this.input.charCodeAt(this.state.pos);
|
|
if (ch === quote) break;
|
|
if (ch === 38) {
|
|
out += this.input.slice(chunkStart, this.state.pos);
|
|
out += this.jsxReadEntity();
|
|
chunkStart = this.state.pos;
|
|
} else if (isNewLine(ch)) {
|
|
out += this.input.slice(chunkStart, this.state.pos);
|
|
out += this.jsxReadNewLine(false);
|
|
chunkStart = this.state.pos;
|
|
} else {
|
|
++this.state.pos;
|
|
}
|
|
}
|
|
out += this.input.slice(chunkStart, this.state.pos++);
|
|
this.finishToken(133, out);
|
|
}
|
|
jsxReadEntity() {
|
|
const startPos = ++this.state.pos;
|
|
if (this.codePointAtPos(this.state.pos) === 35) {
|
|
++this.state.pos;
|
|
let radix = 10;
|
|
if (this.codePointAtPos(this.state.pos) === 120) {
|
|
radix = 16;
|
|
++this.state.pos;
|
|
}
|
|
const codePoint = this.readInt(radix, undefined, false, "bail");
|
|
if (codePoint !== null && this.codePointAtPos(this.state.pos) === 59) {
|
|
++this.state.pos;
|
|
return String.fromCodePoint(codePoint);
|
|
}
|
|
} else {
|
|
let count = 0;
|
|
let semi = false;
|
|
while (count++ < 10 && this.state.pos < this.length && !(semi = this.codePointAtPos(this.state.pos) == 59)) {
|
|
++this.state.pos;
|
|
}
|
|
if (semi) {
|
|
const desc = this.input.slice(startPos, this.state.pos);
|
|
const entity = entities[desc];
|
|
++this.state.pos;
|
|
if (entity) {
|
|
return entity;
|
|
}
|
|
}
|
|
}
|
|
this.state.pos = startPos;
|
|
return "&";
|
|
}
|
|
jsxReadWord() {
|
|
let ch;
|
|
const start = this.state.pos;
|
|
do {
|
|
ch = this.input.charCodeAt(++this.state.pos);
|
|
} while (isIdentifierChar(ch) || ch === 45);
|
|
this.finishToken(140, this.input.slice(start, this.state.pos));
|
|
}
|
|
jsxParseIdentifier() {
|
|
const node = this.startNode();
|
|
if (this.match(140)) {
|
|
node.name = this.state.value;
|
|
} else if (tokenIsKeyword(this.state.type)) {
|
|
node.name = tokenLabelName(this.state.type);
|
|
} else {
|
|
this.unexpected();
|
|
}
|
|
this.next();
|
|
return this.finishNode(node, "JSXIdentifier");
|
|
}
|
|
jsxParseNamespacedName() {
|
|
const startLoc = this.state.startLoc;
|
|
const name = this.jsxParseIdentifier();
|
|
if (!this.eat(14)) return name;
|
|
const node = this.startNodeAt(startLoc);
|
|
node.namespace = name;
|
|
node.name = this.jsxParseIdentifier();
|
|
return this.finishNode(node, "JSXNamespacedName");
|
|
}
|
|
jsxParseElementName() {
|
|
const startLoc = this.state.startLoc;
|
|
let node = this.jsxParseNamespacedName();
|
|
if (node.type === "JSXNamespacedName") {
|
|
return node;
|
|
}
|
|
while (this.eat(16)) {
|
|
const newNode = this.startNodeAt(startLoc);
|
|
newNode.object = node;
|
|
newNode.property = this.jsxParseIdentifier();
|
|
node = this.finishNode(newNode, "JSXMemberExpression");
|
|
}
|
|
return node;
|
|
}
|
|
jsxParseAttributeValue() {
|
|
let node;
|
|
switch (this.state.type) {
|
|
case 5:
|
|
node = this.startNode();
|
|
this.setContext(types.brace);
|
|
this.next();
|
|
node = this.jsxParseExpressionContainer(node, types.j_oTag);
|
|
if (node.expression.type === "JSXEmptyExpression") {
|
|
this.raise(JsxErrors.AttributeIsEmpty, node);
|
|
}
|
|
return node;
|
|
case 142:
|
|
case 133:
|
|
return this.parseExprAtom();
|
|
default:
|
|
throw this.raise(JsxErrors.UnsupportedJsxValue, this.state.startLoc);
|
|
}
|
|
}
|
|
jsxParseEmptyExpression() {
|
|
const node = this.startNodeAt(this.state.lastTokEndLoc);
|
|
return this.finishNodeAt(node, "JSXEmptyExpression", this.state.startLoc);
|
|
}
|
|
jsxParseSpreadChild(node) {
|
|
this.next();
|
|
node.expression = this.parseExpression();
|
|
this.setContext(types.j_expr);
|
|
this.state.canStartJSXElement = true;
|
|
this.expect(8);
|
|
return this.finishNode(node, "JSXSpreadChild");
|
|
}
|
|
jsxParseExpressionContainer(node, previousContext) {
|
|
if (this.match(8)) {
|
|
node.expression = this.jsxParseEmptyExpression();
|
|
} else {
|
|
const expression = this.parseExpression();
|
|
node.expression = expression;
|
|
}
|
|
this.setContext(previousContext);
|
|
this.state.canStartJSXElement = true;
|
|
this.expect(8);
|
|
return this.finishNode(node, "JSXExpressionContainer");
|
|
}
|
|
jsxParseAttribute() {
|
|
const node = this.startNode();
|
|
if (this.match(5)) {
|
|
this.setContext(types.brace);
|
|
this.next();
|
|
this.expect(21);
|
|
node.argument = this.parseMaybeAssignAllowIn();
|
|
this.setContext(types.j_oTag);
|
|
this.state.canStartJSXElement = true;
|
|
this.expect(8);
|
|
return this.finishNode(node, "JSXSpreadAttribute");
|
|
}
|
|
node.name = this.jsxParseNamespacedName();
|
|
node.value = this.eat(29) ? this.jsxParseAttributeValue() : null;
|
|
return this.finishNode(node, "JSXAttribute");
|
|
}
|
|
jsxParseOpeningElementAt(startLoc) {
|
|
const node = this.startNodeAt(startLoc);
|
|
if (this.eat(143)) {
|
|
return this.finishNode(node, "JSXOpeningFragment");
|
|
}
|
|
node.name = this.jsxParseElementName();
|
|
return this.jsxParseOpeningElementAfterName(node);
|
|
}
|
|
jsxParseOpeningElementAfterName(node) {
|
|
const attributes = [];
|
|
while (!this.match(56) && !this.match(143)) {
|
|
attributes.push(this.jsxParseAttribute());
|
|
}
|
|
node.attributes = attributes;
|
|
node.selfClosing = this.eat(56);
|
|
this.expect(143);
|
|
return this.finishNode(node, "JSXOpeningElement");
|
|
}
|
|
jsxParseClosingElementAt(startLoc) {
|
|
const node = this.startNodeAt(startLoc);
|
|
if (this.eat(143)) {
|
|
return this.finishNode(node, "JSXClosingFragment");
|
|
}
|
|
node.name = this.jsxParseElementName();
|
|
this.expect(143);
|
|
return this.finishNode(node, "JSXClosingElement");
|
|
}
|
|
jsxParseElementAt(startLoc) {
|
|
const node = this.startNodeAt(startLoc);
|
|
const children = [];
|
|
const openingElement = this.jsxParseOpeningElementAt(startLoc);
|
|
let closingElement = null;
|
|
if (!openingElement.selfClosing) {
|
|
contents: for (;;) {
|
|
switch (this.state.type) {
|
|
case 142:
|
|
startLoc = this.state.startLoc;
|
|
this.next();
|
|
if (this.eat(56)) {
|
|
closingElement = this.jsxParseClosingElementAt(startLoc);
|
|
break contents;
|
|
}
|
|
children.push(this.jsxParseElementAt(startLoc));
|
|
break;
|
|
case 141:
|
|
children.push(this.parseExprAtom());
|
|
break;
|
|
case 5:
|
|
{
|
|
const node = this.startNode();
|
|
this.setContext(types.brace);
|
|
this.next();
|
|
if (this.match(21)) {
|
|
children.push(this.jsxParseSpreadChild(node));
|
|
} else {
|
|
children.push(this.jsxParseExpressionContainer(node, types.j_expr));
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
this.unexpected();
|
|
}
|
|
}
|
|
if (isFragment(openingElement) && !isFragment(closingElement) && closingElement !== null) {
|
|
this.raise(JsxErrors.MissingClosingTagFragment, closingElement);
|
|
} else if (!isFragment(openingElement) && isFragment(closingElement)) {
|
|
this.raise(JsxErrors.MissingClosingTagElement, closingElement, {
|
|
openingTagName: getQualifiedJSXName(openingElement.name)
|
|
});
|
|
} else if (!isFragment(openingElement) && !isFragment(closingElement)) {
|
|
if (getQualifiedJSXName(closingElement.name) !== getQualifiedJSXName(openingElement.name)) {
|
|
this.raise(JsxErrors.MissingClosingTagElement, closingElement, {
|
|
openingTagName: getQualifiedJSXName(openingElement.name)
|
|
});
|
|
}
|
|
}
|
|
}
|
|
if (isFragment(openingElement)) {
|
|
node.openingFragment = openingElement;
|
|
node.closingFragment = closingElement;
|
|
} else {
|
|
node.openingElement = openingElement;
|
|
node.closingElement = closingElement;
|
|
}
|
|
node.children = children;
|
|
if (this.match(47)) {
|
|
throw this.raise(JsxErrors.UnwrappedAdjacentJSXElements, this.state.startLoc);
|
|
}
|
|
return isFragment(openingElement) ? this.finishNode(node, "JSXFragment") : this.finishNode(node, "JSXElement");
|
|
}
|
|
jsxParseElement() {
|
|
const startLoc = this.state.startLoc;
|
|
this.next();
|
|
return this.jsxParseElementAt(startLoc);
|
|
}
|
|
setContext(newContext) {
|
|
const {
|
|
context
|
|
} = this.state;
|
|
context[context.length - 1] = newContext;
|
|
}
|
|
parseExprAtom(refExpressionErrors) {
|
|
if (this.match(141)) {
|
|
return this.parseLiteral(this.state.value, "JSXText");
|
|
} else if (this.match(142)) {
|
|
return this.jsxParseElement();
|
|
} else if (this.match(47) && this.input.charCodeAt(this.state.pos) !== 33) {
|
|
this.replaceToken(142);
|
|
return this.jsxParseElement();
|
|
} else {
|
|
return super.parseExprAtom(refExpressionErrors);
|
|
}
|
|
}
|
|
skipSpace() {
|
|
const curContext = this.curContext();
|
|
if (!curContext.preserveSpace) super.skipSpace();
|
|
}
|
|
getTokenFromCode(code) {
|
|
const context = this.curContext();
|
|
if (context === types.j_expr) {
|
|
this.jsxReadToken();
|
|
return;
|
|
}
|
|
if (context === types.j_oTag || context === types.j_cTag) {
|
|
if (isIdentifierStart(code)) {
|
|
this.jsxReadWord();
|
|
return;
|
|
}
|
|
if (code === 62) {
|
|
++this.state.pos;
|
|
this.finishToken(143);
|
|
return;
|
|
}
|
|
if ((code === 34 || code === 39) && context === types.j_oTag) {
|
|
this.jsxReadString(code);
|
|
return;
|
|
}
|
|
}
|
|
if (code === 60 && this.state.canStartJSXElement && this.input.charCodeAt(this.state.pos + 1) !== 33) {
|
|
++this.state.pos;
|
|
this.finishToken(142);
|
|
return;
|
|
}
|
|
super.getTokenFromCode(code);
|
|
}
|
|
updateContext(prevType) {
|
|
const {
|
|
context,
|
|
type
|
|
} = this.state;
|
|
if (type === 56 && prevType === 142) {
|
|
context.splice(-2, 2, types.j_cTag);
|
|
this.state.canStartJSXElement = false;
|
|
} else if (type === 142) {
|
|
context.push(types.j_oTag);
|
|
} else if (type === 143) {
|
|
const out = context[context.length - 1];
|
|
if (out === types.j_oTag && prevType === 56 || out === types.j_cTag) {
|
|
context.pop();
|
|
this.state.canStartJSXElement = context[context.length - 1] === types.j_expr;
|
|
} else {
|
|
this.setContext(types.j_expr);
|
|
this.state.canStartJSXElement = true;
|
|
}
|
|
} else {
|
|
this.state.canStartJSXElement = tokenComesBeforeExpression(type);
|
|
}
|
|
}
|
|
};
|
|
class TypeScriptScope extends Scope {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.tsNames = new Map();
|
|
}
|
|
}
|
|
class TypeScriptScopeHandler extends ScopeHandler {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.importsStack = [];
|
|
}
|
|
createScope(flags) {
|
|
this.importsStack.push(new Set());
|
|
return new TypeScriptScope(flags);
|
|
}
|
|
enter(flags) {
|
|
if (flags == 256) {
|
|
this.importsStack.push(new Set());
|
|
}
|
|
super.enter(flags);
|
|
}
|
|
exit() {
|
|
const flags = super.exit();
|
|
if (flags == 256) {
|
|
this.importsStack.pop();
|
|
}
|
|
return flags;
|
|
}
|
|
hasImport(name, allowShadow) {
|
|
const len = this.importsStack.length;
|
|
if (this.importsStack[len - 1].has(name)) {
|
|
return true;
|
|
}
|
|
if (!allowShadow && len > 1) {
|
|
for (let i = 0; i < len - 1; i++) {
|
|
if (this.importsStack[i].has(name)) return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
declareName(name, bindingType, loc) {
|
|
if (bindingType & 4096) {
|
|
if (this.hasImport(name, true)) {
|
|
this.parser.raise(Errors.VarRedeclaration, loc, {
|
|
identifierName: name
|
|
});
|
|
}
|
|
this.importsStack[this.importsStack.length - 1].add(name);
|
|
return;
|
|
}
|
|
const scope = this.currentScope();
|
|
let type = scope.tsNames.get(name) || 0;
|
|
if (bindingType & 1024) {
|
|
this.maybeExportDefined(scope, name);
|
|
scope.tsNames.set(name, type | 16);
|
|
return;
|
|
}
|
|
super.declareName(name, bindingType, loc);
|
|
if (bindingType & 2) {
|
|
if (!(bindingType & 1)) {
|
|
this.checkRedeclarationInScope(scope, name, bindingType, loc);
|
|
this.maybeExportDefined(scope, name);
|
|
}
|
|
type = type | 1;
|
|
}
|
|
if (bindingType & 256) {
|
|
type = type | 2;
|
|
}
|
|
if (bindingType & 512) {
|
|
type = type | 4;
|
|
}
|
|
if (bindingType & 128) {
|
|
type = type | 8;
|
|
}
|
|
if (type) scope.tsNames.set(name, type);
|
|
}
|
|
isRedeclaredInScope(scope, name, bindingType) {
|
|
const type = scope.tsNames.get(name);
|
|
if ((type & 2) > 0) {
|
|
if (bindingType & 256) {
|
|
const isConst = !!(bindingType & 512);
|
|
const wasConst = (type & 4) > 0;
|
|
return isConst !== wasConst;
|
|
}
|
|
return true;
|
|
}
|
|
if (bindingType & 128 && (type & 8) > 0) {
|
|
if (scope.names.get(name) & 2) {
|
|
return !!(bindingType & 1);
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
if (bindingType & 2 && (type & 1) > 0) {
|
|
return true;
|
|
}
|
|
return super.isRedeclaredInScope(scope, name, bindingType);
|
|
}
|
|
checkLocalExport(id) {
|
|
const {
|
|
name
|
|
} = id;
|
|
if (this.hasImport(name)) return;
|
|
const len = this.scopeStack.length;
|
|
for (let i = len - 1; i >= 0; i--) {
|
|
const scope = this.scopeStack[i];
|
|
const type = scope.tsNames.get(name);
|
|
if ((type & 1) > 0 || (type & 16) > 0) {
|
|
return;
|
|
}
|
|
}
|
|
super.checkLocalExport(id);
|
|
}
|
|
}
|
|
const getOwn$1 = (object, key) => hasOwnProperty.call(object, key) && object[key];
|
|
const unwrapParenthesizedExpression = node => {
|
|
return node.type === "ParenthesizedExpression" ? unwrapParenthesizedExpression(node.expression) : node;
|
|
};
|
|
class LValParser extends NodeUtils {
|
|
toAssignable(node, isLHS = false) {
|
|
var _node$extra, _node$extra3;
|
|
let parenthesized = undefined;
|
|
if (node.type === "ParenthesizedExpression" || (_node$extra = node.extra) != null && _node$extra.parenthesized) {
|
|
parenthesized = unwrapParenthesizedExpression(node);
|
|
if (isLHS) {
|
|
if (parenthesized.type === "Identifier") {
|
|
this.expressionScope.recordArrowParameterBindingError(Errors.InvalidParenthesizedAssignment, node);
|
|
} else if (parenthesized.type !== "MemberExpression" && !this.isOptionalMemberExpression(parenthesized)) {
|
|
this.raise(Errors.InvalidParenthesizedAssignment, node);
|
|
}
|
|
} else {
|
|
this.raise(Errors.InvalidParenthesizedAssignment, node);
|
|
}
|
|
}
|
|
switch (node.type) {
|
|
case "Identifier":
|
|
case "ObjectPattern":
|
|
case "ArrayPattern":
|
|
case "AssignmentPattern":
|
|
case "RestElement":
|
|
break;
|
|
case "ObjectExpression":
|
|
node.type = "ObjectPattern";
|
|
for (let i = 0, length = node.properties.length, last = length - 1; i < length; i++) {
|
|
var _node$extra2;
|
|
const prop = node.properties[i];
|
|
const isLast = i === last;
|
|
this.toAssignableObjectExpressionProp(prop, isLast, isLHS);
|
|
if (isLast && prop.type === "RestElement" && (_node$extra2 = node.extra) != null && _node$extra2.trailingCommaLoc) {
|
|
this.raise(Errors.RestTrailingComma, node.extra.trailingCommaLoc);
|
|
}
|
|
}
|
|
break;
|
|
case "ObjectProperty":
|
|
{
|
|
const {
|
|
key,
|
|
value
|
|
} = node;
|
|
if (this.isPrivateName(key)) {
|
|
this.classScope.usePrivateName(this.getPrivateNameSV(key), key.loc.start);
|
|
}
|
|
this.toAssignable(value, isLHS);
|
|
break;
|
|
}
|
|
case "SpreadElement":
|
|
{
|
|
throw new Error("Internal @babel/parser error (this is a bug, please report it)." + " SpreadElement should be converted by .toAssignable's caller.");
|
|
}
|
|
case "ArrayExpression":
|
|
node.type = "ArrayPattern";
|
|
this.toAssignableList(node.elements, (_node$extra3 = node.extra) == null ? void 0 : _node$extra3.trailingCommaLoc, isLHS);
|
|
break;
|
|
case "AssignmentExpression":
|
|
if (node.operator !== "=") {
|
|
this.raise(Errors.MissingEqInAssignment, node.left.loc.end);
|
|
}
|
|
node.type = "AssignmentPattern";
|
|
delete node.operator;
|
|
this.toAssignable(node.left, isLHS);
|
|
break;
|
|
case "ParenthesizedExpression":
|
|
this.toAssignable(parenthesized, isLHS);
|
|
break;
|
|
}
|
|
}
|
|
toAssignableObjectExpressionProp(prop, isLast, isLHS) {
|
|
if (prop.type === "ObjectMethod") {
|
|
this.raise(prop.kind === "get" || prop.kind === "set" ? Errors.PatternHasAccessor : Errors.PatternHasMethod, prop.key);
|
|
} else if (prop.type === "SpreadElement") {
|
|
prop.type = "RestElement";
|
|
const arg = prop.argument;
|
|
this.checkToRestConversion(arg, false);
|
|
this.toAssignable(arg, isLHS);
|
|
if (!isLast) {
|
|
this.raise(Errors.RestTrailingComma, prop);
|
|
}
|
|
} else {
|
|
this.toAssignable(prop, isLHS);
|
|
}
|
|
}
|
|
toAssignableList(exprList, trailingCommaLoc, isLHS) {
|
|
const end = exprList.length - 1;
|
|
for (let i = 0; i <= end; i++) {
|
|
const elt = exprList[i];
|
|
if (!elt) continue;
|
|
if (elt.type === "SpreadElement") {
|
|
elt.type = "RestElement";
|
|
const arg = elt.argument;
|
|
this.checkToRestConversion(arg, true);
|
|
this.toAssignable(arg, isLHS);
|
|
} else {
|
|
this.toAssignable(elt, isLHS);
|
|
}
|
|
if (elt.type === "RestElement") {
|
|
if (i < end) {
|
|
this.raise(Errors.RestTrailingComma, elt);
|
|
} else if (trailingCommaLoc) {
|
|
this.raise(Errors.RestTrailingComma, trailingCommaLoc);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
isAssignable(node, isBinding) {
|
|
switch (node.type) {
|
|
case "Identifier":
|
|
case "ObjectPattern":
|
|
case "ArrayPattern":
|
|
case "AssignmentPattern":
|
|
case "RestElement":
|
|
return true;
|
|
case "ObjectExpression":
|
|
{
|
|
const last = node.properties.length - 1;
|
|
return node.properties.every((prop, i) => {
|
|
return prop.type !== "ObjectMethod" && (i === last || prop.type !== "SpreadElement") && this.isAssignable(prop);
|
|
});
|
|
}
|
|
case "ObjectProperty":
|
|
return this.isAssignable(node.value);
|
|
case "SpreadElement":
|
|
return this.isAssignable(node.argument);
|
|
case "ArrayExpression":
|
|
return node.elements.every(element => element === null || this.isAssignable(element));
|
|
case "AssignmentExpression":
|
|
return node.operator === "=";
|
|
case "ParenthesizedExpression":
|
|
return this.isAssignable(node.expression);
|
|
case "MemberExpression":
|
|
case "OptionalMemberExpression":
|
|
return !isBinding;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
toReferencedList(exprList, isParenthesizedExpr) {
|
|
return exprList;
|
|
}
|
|
toReferencedListDeep(exprList, isParenthesizedExpr) {
|
|
this.toReferencedList(exprList, isParenthesizedExpr);
|
|
for (const expr of exprList) {
|
|
if ((expr == null ? void 0 : expr.type) === "ArrayExpression") {
|
|
this.toReferencedListDeep(expr.elements);
|
|
}
|
|
}
|
|
}
|
|
parseSpread(refExpressionErrors) {
|
|
const node = this.startNode();
|
|
this.next();
|
|
node.argument = this.parseMaybeAssignAllowIn(refExpressionErrors, undefined);
|
|
return this.finishNode(node, "SpreadElement");
|
|
}
|
|
parseRestBinding() {
|
|
const node = this.startNode();
|
|
this.next();
|
|
node.argument = this.parseBindingAtom();
|
|
return this.finishNode(node, "RestElement");
|
|
}
|
|
parseBindingAtom() {
|
|
switch (this.state.type) {
|
|
case 0:
|
|
{
|
|
const node = this.startNode();
|
|
this.next();
|
|
node.elements = this.parseBindingList(3, 93, 1);
|
|
return this.finishNode(node, "ArrayPattern");
|
|
}
|
|
case 5:
|
|
return this.parseObjectLike(8, true);
|
|
}
|
|
return this.parseIdentifier();
|
|
}
|
|
parseBindingList(close, closeCharCode, flags) {
|
|
const allowEmpty = flags & 1;
|
|
const elts = [];
|
|
let first = true;
|
|
while (!this.eat(close)) {
|
|
if (first) {
|
|
first = false;
|
|
} else {
|
|
this.expect(12);
|
|
}
|
|
if (allowEmpty && this.match(12)) {
|
|
elts.push(null);
|
|
} else if (this.eat(close)) {
|
|
break;
|
|
} else if (this.match(21)) {
|
|
elts.push(this.parseAssignableListItemTypes(this.parseRestBinding(), flags));
|
|
if (!this.checkCommaAfterRest(closeCharCode)) {
|
|
this.expect(close);
|
|
break;
|
|
}
|
|
} else {
|
|
const decorators = [];
|
|
if (this.match(26) && this.hasPlugin("decorators")) {
|
|
this.raise(Errors.UnsupportedParameterDecorator, this.state.startLoc);
|
|
}
|
|
while (this.match(26)) {
|
|
decorators.push(this.parseDecorator());
|
|
}
|
|
elts.push(this.parseAssignableListItem(flags, decorators));
|
|
}
|
|
}
|
|
return elts;
|
|
}
|
|
parseBindingRestProperty(prop) {
|
|
this.next();
|
|
prop.argument = this.parseIdentifier();
|
|
this.checkCommaAfterRest(125);
|
|
return this.finishNode(prop, "RestElement");
|
|
}
|
|
parseBindingProperty() {
|
|
const prop = this.startNode();
|
|
const {
|
|
type,
|
|
startLoc
|
|
} = this.state;
|
|
if (type === 21) {
|
|
return this.parseBindingRestProperty(prop);
|
|
} else if (type === 138) {
|
|
this.expectPlugin("destructuringPrivate", startLoc);
|
|
this.classScope.usePrivateName(this.state.value, startLoc);
|
|
prop.key = this.parsePrivateName();
|
|
} else {
|
|
this.parsePropertyName(prop);
|
|
}
|
|
prop.method = false;
|
|
return this.parseObjPropValue(prop, startLoc, false, false, true, false);
|
|
}
|
|
parseAssignableListItem(flags, decorators) {
|
|
const left = this.parseMaybeDefault();
|
|
this.parseAssignableListItemTypes(left, flags);
|
|
const elt = this.parseMaybeDefault(left.loc.start, left);
|
|
if (decorators.length) {
|
|
left.decorators = decorators;
|
|
}
|
|
return elt;
|
|
}
|
|
parseAssignableListItemTypes(param, flags) {
|
|
return param;
|
|
}
|
|
parseMaybeDefault(startLoc, left) {
|
|
var _startLoc, _left;
|
|
(_startLoc = startLoc) != null ? _startLoc : startLoc = this.state.startLoc;
|
|
left = (_left = left) != null ? _left : this.parseBindingAtom();
|
|
if (!this.eat(29)) return left;
|
|
const node = this.startNodeAt(startLoc);
|
|
node.left = left;
|
|
node.right = this.parseMaybeAssignAllowIn();
|
|
return this.finishNode(node, "AssignmentPattern");
|
|
}
|
|
isValidLVal(type, isUnparenthesizedInAssign, binding) {
|
|
return getOwn$1({
|
|
AssignmentPattern: "left",
|
|
RestElement: "argument",
|
|
ObjectProperty: "value",
|
|
ParenthesizedExpression: "expression",
|
|
ArrayPattern: "elements",
|
|
ObjectPattern: "properties"
|
|
}, type);
|
|
}
|
|
isOptionalMemberExpression(expression) {
|
|
return expression.type === "OptionalMemberExpression";
|
|
}
|
|
checkLVal(expression, {
|
|
in: ancestor,
|
|
binding = 64,
|
|
checkClashes = false,
|
|
strictModeChanged = false,
|
|
hasParenthesizedAncestor = false
|
|
}) {
|
|
var _expression$extra;
|
|
const type = expression.type;
|
|
if (this.isObjectMethod(expression)) return;
|
|
const isOptionalMemberExpression = this.isOptionalMemberExpression(expression);
|
|
if (isOptionalMemberExpression || type === "MemberExpression") {
|
|
if (isOptionalMemberExpression) {
|
|
this.expectPlugin("optionalChainingAssign", expression.loc.start);
|
|
if (ancestor.type !== "AssignmentExpression") {
|
|
this.raise(Errors.InvalidLhsOptionalChaining, expression, {
|
|
ancestor
|
|
});
|
|
}
|
|
}
|
|
if (binding !== 64) {
|
|
this.raise(Errors.InvalidPropertyBindingPattern, expression);
|
|
}
|
|
return;
|
|
}
|
|
if (type === "Identifier") {
|
|
this.checkIdentifier(expression, binding, strictModeChanged);
|
|
const {
|
|
name
|
|
} = expression;
|
|
if (checkClashes) {
|
|
if (checkClashes.has(name)) {
|
|
this.raise(Errors.ParamDupe, expression);
|
|
} else {
|
|
checkClashes.add(name);
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
const validity = this.isValidLVal(type, !(hasParenthesizedAncestor || (_expression$extra = expression.extra) != null && _expression$extra.parenthesized) && ancestor.type === "AssignmentExpression", binding);
|
|
if (validity === true) return;
|
|
if (validity === false) {
|
|
const ParseErrorClass = binding === 64 ? Errors.InvalidLhs : Errors.InvalidLhsBinding;
|
|
this.raise(ParseErrorClass, expression, {
|
|
ancestor
|
|
});
|
|
return;
|
|
}
|
|
const [key, isParenthesizedExpression] = Array.isArray(validity) ? validity : [validity, type === "ParenthesizedExpression"];
|
|
const nextAncestor = type === "ArrayPattern" || type === "ObjectPattern" ? {
|
|
type
|
|
} : ancestor;
|
|
for (const child of [].concat(expression[key])) {
|
|
if (child) {
|
|
this.checkLVal(child, {
|
|
in: nextAncestor,
|
|
binding,
|
|
checkClashes,
|
|
strictModeChanged,
|
|
hasParenthesizedAncestor: isParenthesizedExpression
|
|
});
|
|
}
|
|
}
|
|
}
|
|
checkIdentifier(at, bindingType, strictModeChanged = false) {
|
|
if (this.state.strict && (strictModeChanged ? isStrictBindReservedWord(at.name, this.inModule) : isStrictBindOnlyReservedWord(at.name))) {
|
|
if (bindingType === 64) {
|
|
this.raise(Errors.StrictEvalArguments, at, {
|
|
referenceName: at.name
|
|
});
|
|
} else {
|
|
this.raise(Errors.StrictEvalArgumentsBinding, at, {
|
|
bindingName: at.name
|
|
});
|
|
}
|
|
}
|
|
if (bindingType & 8192 && at.name === "let") {
|
|
this.raise(Errors.LetInLexicalBinding, at);
|
|
}
|
|
if (!(bindingType & 64)) {
|
|
this.declareNameFromIdentifier(at, bindingType);
|
|
}
|
|
}
|
|
declareNameFromIdentifier(identifier, binding) {
|
|
this.scope.declareName(identifier.name, binding, identifier.loc.start);
|
|
}
|
|
checkToRestConversion(node, allowPattern) {
|
|
switch (node.type) {
|
|
case "ParenthesizedExpression":
|
|
this.checkToRestConversion(node.expression, allowPattern);
|
|
break;
|
|
case "Identifier":
|
|
case "MemberExpression":
|
|
break;
|
|
case "ArrayExpression":
|
|
case "ObjectExpression":
|
|
if (allowPattern) break;
|
|
default:
|
|
this.raise(Errors.InvalidRestAssignmentPattern, node);
|
|
}
|
|
}
|
|
checkCommaAfterRest(close) {
|
|
if (!this.match(12)) {
|
|
return false;
|
|
}
|
|
this.raise(this.lookaheadCharCode() === close ? Errors.RestTrailingComma : Errors.ElementAfterRest, this.state.startLoc);
|
|
return true;
|
|
}
|
|
}
|
|
const getOwn = (object, key) => hasOwnProperty.call(object, key) && object[key];
|
|
function nonNull(x) {
|
|
if (x == null) {
|
|
throw new Error(`Unexpected ${x} value.`);
|
|
}
|
|
return x;
|
|
}
|
|
function assert(x) {
|
|
if (!x) {
|
|
throw new Error("Assert fail");
|
|
}
|
|
}
|
|
const TSErrors = ParseErrorEnum`typescript`({
|
|
AbstractMethodHasImplementation: ({
|
|
methodName
|
|
}) => `Method '${methodName}' cannot have an implementation because it is marked abstract.`,
|
|
AbstractPropertyHasInitializer: ({
|
|
propertyName
|
|
}) => `Property '${propertyName}' cannot have an initializer because it is marked abstract.`,
|
|
AccesorCannotDeclareThisParameter: "'get' and 'set' accessors cannot declare 'this' parameters.",
|
|
AccesorCannotHaveTypeParameters: "An accessor cannot have type parameters.",
|
|
AccessorCannotBeOptional: "An 'accessor' property cannot be declared optional.",
|
|
ClassMethodHasDeclare: "Class methods cannot have the 'declare' modifier.",
|
|
ClassMethodHasReadonly: "Class methods cannot have the 'readonly' modifier.",
|
|
ConstInitiailizerMustBeStringOrNumericLiteralOrLiteralEnumReference: "A 'const' initializer in an ambient context must be a string or numeric literal or literal enum reference.",
|
|
ConstructorHasTypeParameters: "Type parameters cannot appear on a constructor declaration.",
|
|
DeclareAccessor: ({
|
|
kind
|
|
}) => `'declare' is not allowed in ${kind}ters.`,
|
|
DeclareClassFieldHasInitializer: "Initializers are not allowed in ambient contexts.",
|
|
DeclareFunctionHasImplementation: "An implementation cannot be declared in ambient contexts.",
|
|
DuplicateAccessibilityModifier: ({
|
|
modifier
|
|
}) => `Accessibility modifier already seen.`,
|
|
DuplicateModifier: ({
|
|
modifier
|
|
}) => `Duplicate modifier: '${modifier}'.`,
|
|
EmptyHeritageClauseType: ({
|
|
token
|
|
}) => `'${token}' list cannot be empty.`,
|
|
EmptyTypeArguments: "Type argument list cannot be empty.",
|
|
EmptyTypeParameters: "Type parameter list cannot be empty.",
|
|
ExpectedAmbientAfterExportDeclare: "'export declare' must be followed by an ambient declaration.",
|
|
ImportAliasHasImportType: "An import alias can not use 'import type'.",
|
|
ImportReflectionHasImportType: "An `import module` declaration can not use `type` modifier",
|
|
IncompatibleModifiers: ({
|
|
modifiers
|
|
}) => `'${modifiers[0]}' modifier cannot be used with '${modifiers[1]}' modifier.`,
|
|
IndexSignatureHasAbstract: "Index signatures cannot have the 'abstract' modifier.",
|
|
IndexSignatureHasAccessibility: ({
|
|
modifier
|
|
}) => `Index signatures cannot have an accessibility modifier ('${modifier}').`,
|
|
IndexSignatureHasDeclare: "Index signatures cannot have the 'declare' modifier.",
|
|
IndexSignatureHasOverride: "'override' modifier cannot appear on an index signature.",
|
|
IndexSignatureHasStatic: "Index signatures cannot have the 'static' modifier.",
|
|
InitializerNotAllowedInAmbientContext: "Initializers are not allowed in ambient contexts.",
|
|
InvalidModifierOnTypeMember: ({
|
|
modifier
|
|
}) => `'${modifier}' modifier cannot appear on a type member.`,
|
|
InvalidModifierOnTypeParameter: ({
|
|
modifier
|
|
}) => `'${modifier}' modifier cannot appear on a type parameter.`,
|
|
InvalidModifierOnTypeParameterPositions: ({
|
|
modifier
|
|
}) => `'${modifier}' modifier can only appear on a type parameter of a class, interface or type alias.`,
|
|
InvalidModifiersOrder: ({
|
|
orderedModifiers
|
|
}) => `'${orderedModifiers[0]}' modifier must precede '${orderedModifiers[1]}' modifier.`,
|
|
InvalidPropertyAccessAfterInstantiationExpression: "Invalid property access after an instantiation expression. " + "You can either wrap the instantiation expression in parentheses, or delete the type arguments.",
|
|
InvalidTupleMemberLabel: "Tuple members must be labeled with a simple identifier.",
|
|
MissingInterfaceName: "'interface' declarations must be followed by an identifier.",
|
|
NonAbstractClassHasAbstractMethod: "Abstract methods can only appear within an abstract class.",
|
|
NonClassMethodPropertyHasAbstractModifer: "'abstract' modifier can only appear on a class, method, or property declaration.",
|
|
OptionalTypeBeforeRequired: "A required element cannot follow an optional element.",
|
|
OverrideNotInSubClass: "This member cannot have an 'override' modifier because its containing class does not extend another class.",
|
|
PatternIsOptional: "A binding pattern parameter cannot be optional in an implementation signature.",
|
|
PrivateElementHasAbstract: "Private elements cannot have the 'abstract' modifier.",
|
|
PrivateElementHasAccessibility: ({
|
|
modifier
|
|
}) => `Private elements cannot have an accessibility modifier ('${modifier}').`,
|
|
ReadonlyForMethodSignature: "'readonly' modifier can only appear on a property declaration or index signature.",
|
|
ReservedArrowTypeParam: "This syntax is reserved in files with the .mts or .cts extension. Add a trailing comma, as in `<T,>() => ...`.",
|
|
ReservedTypeAssertion: "This syntax is reserved in files with the .mts or .cts extension. Use an `as` expression instead.",
|
|
SetAccesorCannotHaveOptionalParameter: "A 'set' accessor cannot have an optional parameter.",
|
|
SetAccesorCannotHaveRestParameter: "A 'set' accessor cannot have rest parameter.",
|
|
SetAccesorCannotHaveReturnType: "A 'set' accessor cannot have a return type annotation.",
|
|
SingleTypeParameterWithoutTrailingComma: ({
|
|
typeParameterName
|
|
}) => `Single type parameter ${typeParameterName} should have a trailing comma. Example usage: <${typeParameterName},>.`,
|
|
StaticBlockCannotHaveModifier: "Static class blocks cannot have any modifier.",
|
|
TupleOptionalAfterType: "A labeled tuple optional element must be declared using a question mark after the name and before the colon (`name?: type`), rather than after the type (`name: type?`).",
|
|
TypeAnnotationAfterAssign: "Type annotations must come before default assignments, e.g. instead of `age = 25: number` use `age: number = 25`.",
|
|
TypeImportCannotSpecifyDefaultAndNamed: "A type-only import can specify a default import or named bindings, but not both.",
|
|
TypeModifierIsUsedInTypeExports: "The 'type' modifier cannot be used on a named export when 'export type' is used on its export statement.",
|
|
TypeModifierIsUsedInTypeImports: "The 'type' modifier cannot be used on a named import when 'import type' is used on its import statement.",
|
|
UnexpectedParameterModifier: "A parameter property is only allowed in a constructor implementation.",
|
|
UnexpectedReadonly: "'readonly' type modifier is only permitted on array and tuple literal types.",
|
|
UnexpectedTypeAnnotation: "Did not expect a type annotation here.",
|
|
UnexpectedTypeCastInParameter: "Unexpected type cast in parameter position.",
|
|
UnsupportedImportTypeArgument: "Argument in a type import must be a string literal.",
|
|
UnsupportedParameterPropertyKind: "A parameter property may not be declared using a binding pattern.",
|
|
UnsupportedSignatureParameterKind: ({
|
|
type
|
|
}) => `Name in a signature must be an Identifier, ObjectPattern or ArrayPattern, instead got ${type}.`
|
|
});
|
|
function keywordTypeFromName(value) {
|
|
switch (value) {
|
|
case "any":
|
|
return "TSAnyKeyword";
|
|
case "boolean":
|
|
return "TSBooleanKeyword";
|
|
case "bigint":
|
|
return "TSBigIntKeyword";
|
|
case "never":
|
|
return "TSNeverKeyword";
|
|
case "number":
|
|
return "TSNumberKeyword";
|
|
case "object":
|
|
return "TSObjectKeyword";
|
|
case "string":
|
|
return "TSStringKeyword";
|
|
case "symbol":
|
|
return "TSSymbolKeyword";
|
|
case "undefined":
|
|
return "TSUndefinedKeyword";
|
|
case "unknown":
|
|
return "TSUnknownKeyword";
|
|
default:
|
|
return undefined;
|
|
}
|
|
}
|
|
function tsIsAccessModifier(modifier) {
|
|
return modifier === "private" || modifier === "public" || modifier === "protected";
|
|
}
|
|
function tsIsVarianceAnnotations(modifier) {
|
|
return modifier === "in" || modifier === "out";
|
|
}
|
|
var typescript = superClass => class TypeScriptParserMixin extends superClass {
|
|
constructor(...args) {
|
|
super(...args);
|
|
this.tsParseInOutModifiers = this.tsParseModifiers.bind(this, {
|
|
allowedModifiers: ["in", "out"],
|
|
disallowedModifiers: ["const", "public", "private", "protected", "readonly", "declare", "abstract", "override"],
|
|
errorTemplate: TSErrors.InvalidModifierOnTypeParameter
|
|
});
|
|
this.tsParseConstModifier = this.tsParseModifiers.bind(this, {
|
|
allowedModifiers: ["const"],
|
|
disallowedModifiers: ["in", "out"],
|
|
errorTemplate: TSErrors.InvalidModifierOnTypeParameterPositions
|
|
});
|
|
this.tsParseInOutConstModifiers = this.tsParseModifiers.bind(this, {
|
|
allowedModifiers: ["in", "out", "const"],
|
|
disallowedModifiers: ["public", "private", "protected", "readonly", "declare", "abstract", "override"],
|
|
errorTemplate: TSErrors.InvalidModifierOnTypeParameter
|
|
});
|
|
}
|
|
getScopeHandler() {
|
|
return TypeScriptScopeHandler;
|
|
}
|
|
tsIsIdentifier() {
|
|
return tokenIsIdentifier(this.state.type);
|
|
}
|
|
tsTokenCanFollowModifier() {
|
|
return (this.match(0) || this.match(5) || this.match(55) || this.match(21) || this.match(138) || this.isLiteralPropertyName()) && !this.hasPrecedingLineBreak();
|
|
}
|
|
tsNextTokenCanFollowModifier() {
|
|
this.next();
|
|
return this.tsTokenCanFollowModifier();
|
|
}
|
|
tsParseModifier(allowedModifiers, stopOnStartOfClassStaticBlock) {
|
|
if (!tokenIsIdentifier(this.state.type) && this.state.type !== 58 && this.state.type !== 75) {
|
|
return undefined;
|
|
}
|
|
const modifier = this.state.value;
|
|
if (allowedModifiers.indexOf(modifier) !== -1) {
|
|
if (stopOnStartOfClassStaticBlock && this.tsIsStartOfStaticBlocks()) {
|
|
return undefined;
|
|
}
|
|
if (this.tsTryParse(this.tsNextTokenCanFollowModifier.bind(this))) {
|
|
return modifier;
|
|
}
|
|
}
|
|
return undefined;
|
|
}
|
|
tsParseModifiers({
|
|
allowedModifiers,
|
|
disallowedModifiers,
|
|
stopOnStartOfClassStaticBlock,
|
|
errorTemplate = TSErrors.InvalidModifierOnTypeMember
|
|
}, modified) {
|
|
const enforceOrder = (loc, modifier, before, after) => {
|
|
if (modifier === before && modified[after]) {
|
|
this.raise(TSErrors.InvalidModifiersOrder, loc, {
|
|
orderedModifiers: [before, after]
|
|
});
|
|
}
|
|
};
|
|
const incompatible = (loc, modifier, mod1, mod2) => {
|
|
if (modified[mod1] && modifier === mod2 || modified[mod2] && modifier === mod1) {
|
|
this.raise(TSErrors.IncompatibleModifiers, loc, {
|
|
modifiers: [mod1, mod2]
|
|
});
|
|
}
|
|
};
|
|
for (;;) {
|
|
const {
|
|
startLoc
|
|
} = this.state;
|
|
const modifier = this.tsParseModifier(allowedModifiers.concat(disallowedModifiers != null ? disallowedModifiers : []), stopOnStartOfClassStaticBlock);
|
|
if (!modifier) break;
|
|
if (tsIsAccessModifier(modifier)) {
|
|
if (modified.accessibility) {
|
|
this.raise(TSErrors.DuplicateAccessibilityModifier, startLoc, {
|
|
modifier
|
|
});
|
|
} else {
|
|
enforceOrder(startLoc, modifier, modifier, "override");
|
|
enforceOrder(startLoc, modifier, modifier, "static");
|
|
enforceOrder(startLoc, modifier, modifier, "readonly");
|
|
modified.accessibility = modifier;
|
|
}
|
|
} else if (tsIsVarianceAnnotations(modifier)) {
|
|
if (modified[modifier]) {
|
|
this.raise(TSErrors.DuplicateModifier, startLoc, {
|
|
modifier
|
|
});
|
|
}
|
|
modified[modifier] = true;
|
|
enforceOrder(startLoc, modifier, "in", "out");
|
|
} else {
|
|
if (hasOwnProperty.call(modified, modifier)) {
|
|
this.raise(TSErrors.DuplicateModifier, startLoc, {
|
|
modifier
|
|
});
|
|
} else {
|
|
enforceOrder(startLoc, modifier, "static", "readonly");
|
|
enforceOrder(startLoc, modifier, "static", "override");
|
|
enforceOrder(startLoc, modifier, "override", "readonly");
|
|
enforceOrder(startLoc, modifier, "abstract", "override");
|
|
incompatible(startLoc, modifier, "declare", "override");
|
|
incompatible(startLoc, modifier, "static", "abstract");
|
|
}
|
|
modified[modifier] = true;
|
|
}
|
|
if (disallowedModifiers != null && disallowedModifiers.includes(modifier)) {
|
|
this.raise(errorTemplate, startLoc, {
|
|
modifier
|
|
});
|
|
}
|
|
}
|
|
}
|
|
tsIsListTerminator(kind) {
|
|
switch (kind) {
|
|
case "EnumMembers":
|
|
case "TypeMembers":
|
|
return this.match(8);
|
|
case "HeritageClauseElement":
|
|
return this.match(5);
|
|
case "TupleElementTypes":
|
|
return this.match(3);
|
|
case "TypeParametersOrArguments":
|
|
return this.match(48);
|
|
}
|
|
}
|
|
tsParseList(kind, parseElement) {
|
|
const result = [];
|
|
while (!this.tsIsListTerminator(kind)) {
|
|
result.push(parseElement());
|
|
}
|
|
return result;
|
|
}
|
|
tsParseDelimitedList(kind, parseElement, refTrailingCommaPos) {
|
|
return nonNull(this.tsParseDelimitedListWorker(kind, parseElement, true, refTrailingCommaPos));
|
|
}
|
|
tsParseDelimitedListWorker(kind, parseElement, expectSuccess, refTrailingCommaPos) {
|
|
const result = [];
|
|
let trailingCommaPos = -1;
|
|
for (;;) {
|
|
if (this.tsIsListTerminator(kind)) {
|
|
break;
|
|
}
|
|
trailingCommaPos = -1;
|
|
const element = parseElement();
|
|
if (element == null) {
|
|
return undefined;
|
|
}
|
|
result.push(element);
|
|
if (this.eat(12)) {
|
|
trailingCommaPos = this.state.lastTokStartLoc.index;
|
|
continue;
|
|
}
|
|
if (this.tsIsListTerminator(kind)) {
|
|
break;
|
|
}
|
|
if (expectSuccess) {
|
|
this.expect(12);
|
|
}
|
|
return undefined;
|
|
}
|
|
if (refTrailingCommaPos) {
|
|
refTrailingCommaPos.value = trailingCommaPos;
|
|
}
|
|
return result;
|
|
}
|
|
tsParseBracketedList(kind, parseElement, bracket, skipFirstToken, refTrailingCommaPos) {
|
|
if (!skipFirstToken) {
|
|
if (bracket) {
|
|
this.expect(0);
|
|
} else {
|
|
this.expect(47);
|
|
}
|
|
}
|
|
const result = this.tsParseDelimitedList(kind, parseElement, refTrailingCommaPos);
|
|
if (bracket) {
|
|
this.expect(3);
|
|
} else {
|
|
this.expect(48);
|
|
}
|
|
return result;
|
|
}
|
|
tsParseImportType() {
|
|
const node = this.startNode();
|
|
this.expect(83);
|
|
this.expect(10);
|
|
if (!this.match(133)) {
|
|
this.raise(TSErrors.UnsupportedImportTypeArgument, this.state.startLoc);
|
|
}
|
|
node.argument = super.parseExprAtom();
|
|
if (this.hasPlugin("importAttributes") || this.hasPlugin("importAssertions")) {
|
|
node.options = null;
|
|
}
|
|
if (this.eat(12)) {
|
|
this.expectImportAttributesPlugin();
|
|
if (!this.match(11)) {
|
|
node.options = super.parseMaybeAssignAllowIn();
|
|
this.eat(12);
|
|
}
|
|
}
|
|
this.expect(11);
|
|
if (this.eat(16)) {
|
|
node.qualifier = this.tsParseEntityName();
|
|
}
|
|
if (this.match(47)) {
|
|
node.typeParameters = this.tsParseTypeArguments();
|
|
}
|
|
return this.finishNode(node, "TSImportType");
|
|
}
|
|
tsParseEntityName(allowReservedWords = true) {
|
|
let entity = this.parseIdentifier(allowReservedWords);
|
|
while (this.eat(16)) {
|
|
const node = this.startNodeAtNode(entity);
|
|
node.left = entity;
|
|
node.right = this.parseIdentifier(allowReservedWords);
|
|
entity = this.finishNode(node, "TSQualifiedName");
|
|
}
|
|
return entity;
|
|
}
|
|
tsParseTypeReference() {
|
|
const node = this.startNode();
|
|
node.typeName = this.tsParseEntityName();
|
|
if (!this.hasPrecedingLineBreak() && this.match(47)) {
|
|
node.typeParameters = this.tsParseTypeArguments();
|
|
}
|
|
return this.finishNode(node, "TSTypeReference");
|
|
}
|
|
tsParseThisTypePredicate(lhs) {
|
|
this.next();
|
|
const node = this.startNodeAtNode(lhs);
|
|
node.parameterName = lhs;
|
|
node.typeAnnotation = this.tsParseTypeAnnotation(false);
|
|
node.asserts = false;
|
|
return this.finishNode(node, "TSTypePredicate");
|
|
}
|
|
tsParseThisTypeNode() {
|
|
const node = this.startNode();
|
|
this.next();
|
|
return this.finishNode(node, "TSThisType");
|
|
}
|
|
tsParseTypeQuery() {
|
|
const node = this.startNode();
|
|
this.expect(87);
|
|
if (this.match(83)) {
|
|
node.exprName = this.tsParseImportType();
|
|
} else {
|
|
node.exprName = this.tsParseEntityName();
|
|
}
|
|
if (!this.hasPrecedingLineBreak() && this.match(47)) {
|
|
node.typeParameters = this.tsParseTypeArguments();
|
|
}
|
|
return this.finishNode(node, "TSTypeQuery");
|
|
}
|
|
tsParseTypeParameter(parseModifiers) {
|
|
const node = this.startNode();
|
|
parseModifiers(node);
|
|
node.name = this.tsParseTypeParameterName();
|
|
node.constraint = this.tsEatThenParseType(81);
|
|
node.default = this.tsEatThenParseType(29);
|
|
return this.finishNode(node, "TSTypeParameter");
|
|
}
|
|
tsTryParseTypeParameters(parseModifiers) {
|
|
if (this.match(47)) {
|
|
return this.tsParseTypeParameters(parseModifiers);
|
|
}
|
|
}
|
|
tsParseTypeParameters(parseModifiers) {
|
|
const node = this.startNode();
|
|
if (this.match(47) || this.match(142)) {
|
|
this.next();
|
|
} else {
|
|
this.unexpected();
|
|
}
|
|
const refTrailingCommaPos = {
|
|
value: -1
|
|
};
|
|
node.params = this.tsParseBracketedList("TypeParametersOrArguments", this.tsParseTypeParameter.bind(this, parseModifiers), false, true, refTrailingCommaPos);
|
|
if (node.params.length === 0) {
|
|
this.raise(TSErrors.EmptyTypeParameters, node);
|
|
}
|
|
if (refTrailingCommaPos.value !== -1) {
|
|
this.addExtra(node, "trailingComma", refTrailingCommaPos.value);
|
|
}
|
|
return this.finishNode(node, "TSTypeParameterDeclaration");
|
|
}
|
|
tsFillSignature(returnToken, signature) {
|
|
const returnTokenRequired = returnToken === 19;
|
|
const paramsKey = "parameters";
|
|
const returnTypeKey = "typeAnnotation";
|
|
signature.typeParameters = this.tsTryParseTypeParameters(this.tsParseConstModifier);
|
|
this.expect(10);
|
|
signature[paramsKey] = this.tsParseBindingListForSignature();
|
|
if (returnTokenRequired) {
|
|
signature[returnTypeKey] = this.tsParseTypeOrTypePredicateAnnotation(returnToken);
|
|
} else if (this.match(returnToken)) {
|
|
signature[returnTypeKey] = this.tsParseTypeOrTypePredicateAnnotation(returnToken);
|
|
}
|
|
}
|
|
tsParseBindingListForSignature() {
|
|
const list = super.parseBindingList(11, 41, 2);
|
|
for (const pattern of list) {
|
|
const {
|
|
type
|
|
} = pattern;
|
|
if (type === "AssignmentPattern" || type === "TSParameterProperty") {
|
|
this.raise(TSErrors.UnsupportedSignatureParameterKind, pattern, {
|
|
type
|
|
});
|
|
}
|
|
}
|
|
return list;
|
|
}
|
|
tsParseTypeMemberSemicolon() {
|
|
if (!this.eat(12) && !this.isLineTerminator()) {
|
|
this.expect(13);
|
|
}
|
|
}
|
|
tsParseSignatureMember(kind, node) {
|
|
this.tsFillSignature(14, node);
|
|
this.tsParseTypeMemberSemicolon();
|
|
return this.finishNode(node, kind);
|
|
}
|
|
tsIsUnambiguouslyIndexSignature() {
|
|
this.next();
|
|
if (tokenIsIdentifier(this.state.type)) {
|
|
this.next();
|
|
return this.match(14);
|
|
}
|
|
return false;
|
|
}
|
|
tsTryParseIndexSignature(node) {
|
|
if (!(this.match(0) && this.tsLookAhead(this.tsIsUnambiguouslyIndexSignature.bind(this)))) {
|
|
return;
|
|
}
|
|
this.expect(0);
|
|
const id = this.parseIdentifier();
|
|
id.typeAnnotation = this.tsParseTypeAnnotation();
|
|
this.resetEndLocation(id);
|
|
this.expect(3);
|
|
node.parameters = [id];
|
|
const type = this.tsTryParseTypeAnnotation();
|
|
if (type) node.typeAnnotation = type;
|
|
this.tsParseTypeMemberSemicolon();
|
|
return this.finishNode(node, "TSIndexSignature");
|
|
}
|
|
tsParsePropertyOrMethodSignature(node, readonly) {
|
|
if (this.eat(17)) node.optional = true;
|
|
const nodeAny = node;
|
|
if (this.match(10) || this.match(47)) {
|
|
if (readonly) {
|
|
this.raise(TSErrors.ReadonlyForMethodSignature, node);
|
|
}
|
|
const method = nodeAny;
|
|
if (method.kind && this.match(47)) {
|
|
this.raise(TSErrors.AccesorCannotHaveTypeParameters, this.state.curPosition());
|
|
}
|
|
this.tsFillSignature(14, method);
|
|
this.tsParseTypeMemberSemicolon();
|
|
const paramsKey = "parameters";
|
|
const returnTypeKey = "typeAnnotation";
|
|
if (method.kind === "get") {
|
|
if (method[paramsKey].length > 0) {
|
|
this.raise(Errors.BadGetterArity, this.state.curPosition());
|
|
if (this.isThisParam(method[paramsKey][0])) {
|
|
this.raise(TSErrors.AccesorCannotDeclareThisParameter, this.state.curPosition());
|
|
}
|
|
}
|
|
} else if (method.kind === "set") {
|
|
if (method[paramsKey].length !== 1) {
|
|
this.raise(Errors.BadSetterArity, this.state.curPosition());
|
|
} else {
|
|
const firstParameter = method[paramsKey][0];
|
|
if (this.isThisParam(firstParameter)) {
|
|
this.raise(TSErrors.AccesorCannotDeclareThisParameter, this.state.curPosition());
|
|
}
|
|
if (firstParameter.type === "Identifier" && firstParameter.optional) {
|
|
this.raise(TSErrors.SetAccesorCannotHaveOptionalParameter, this.state.curPosition());
|
|
}
|
|
if (firstParameter.type === "RestElement") {
|
|
this.raise(TSErrors.SetAccesorCannotHaveRestParameter, this.state.curPosition());
|
|
}
|
|
}
|
|
if (method[returnTypeKey]) {
|
|
this.raise(TSErrors.SetAccesorCannotHaveReturnType, method[returnTypeKey]);
|
|
}
|
|
} else {
|
|
method.kind = "method";
|
|
}
|
|
return this.finishNode(method, "TSMethodSignature");
|
|
} else {
|
|
const property = nodeAny;
|
|
if (readonly) property.readonly = true;
|
|
const type = this.tsTryParseTypeAnnotation();
|
|
if (type) property.typeAnnotation = type;
|
|
this.tsParseTypeMemberSemicolon();
|
|
return this.finishNode(property, "TSPropertySignature");
|
|
}
|
|
}
|
|
tsParseTypeMember() {
|
|
const node = this.startNode();
|
|
if (this.match(10) || this.match(47)) {
|
|
return this.tsParseSignatureMember("TSCallSignatureDeclaration", node);
|
|
}
|
|
if (this.match(77)) {
|
|
const id = this.startNode();
|
|
this.next();
|
|
if (this.match(10) || this.match(47)) {
|
|
return this.tsParseSignatureMember("TSConstructSignatureDeclaration", node);
|
|
} else {
|
|
node.key = this.createIdentifier(id, "new");
|
|
return this.tsParsePropertyOrMethodSignature(node, false);
|
|
}
|
|
}
|
|
this.tsParseModifiers({
|
|
allowedModifiers: ["readonly"],
|
|
disallowedModifiers: ["declare", "abstract", "private", "protected", "public", "static", "override"]
|
|
}, node);
|
|
const idx = this.tsTryParseIndexSignature(node);
|
|
if (idx) {
|
|
return idx;
|
|
}
|
|
super.parsePropertyName(node);
|
|
if (!node.computed && node.key.type === "Identifier" && (node.key.name === "get" || node.key.name === "set") && this.tsTokenCanFollowModifier()) {
|
|
node.kind = node.key.name;
|
|
super.parsePropertyName(node);
|
|
}
|
|
return this.tsParsePropertyOrMethodSignature(node, !!node.readonly);
|
|
}
|
|
tsParseTypeLiteral() {
|
|
const node = this.startNode();
|
|
node.members = this.tsParseObjectTypeMembers();
|
|
return this.finishNode(node, "TSTypeLiteral");
|
|
}
|
|
tsParseObjectTypeMembers() {
|
|
this.expect(5);
|
|
const members = this.tsParseList("TypeMembers", this.tsParseTypeMember.bind(this));
|
|
this.expect(8);
|
|
return members;
|
|
}
|
|
tsIsStartOfMappedType() {
|
|
this.next();
|
|
if (this.eat(53)) {
|
|
return this.isContextual(122);
|
|
}
|
|
if (this.isContextual(122)) {
|
|
this.next();
|
|
}
|
|
if (!this.match(0)) {
|
|
return false;
|
|
}
|
|
this.next();
|
|
if (!this.tsIsIdentifier()) {
|
|
return false;
|
|
}
|
|
this.next();
|
|
return this.match(58);
|
|
}
|
|
tsParseMappedTypeParameter() {
|
|
const node = this.startNode();
|
|
node.name = this.tsParseTypeParameterName();
|
|
node.constraint = this.tsExpectThenParseType(58);
|
|
return this.finishNode(node, "TSTypeParameter");
|
|
}
|
|
tsParseMappedType() {
|
|
const node = this.startNode();
|
|
this.expect(5);
|
|
if (this.match(53)) {
|
|
node.readonly = this.state.value;
|
|
this.next();
|
|
this.expectContextual(122);
|
|
} else if (this.eatContextual(122)) {
|
|
node.readonly = true;
|
|
}
|
|
this.expect(0);
|
|
node.typeParameter = this.tsParseMappedTypeParameter();
|
|
node.nameType = this.eatContextual(93) ? this.tsParseType() : null;
|
|
this.expect(3);
|
|
if (this.match(53)) {
|
|
node.optional = this.state.value;
|
|
this.next();
|
|
this.expect(17);
|
|
} else if (this.eat(17)) {
|
|
node.optional = true;
|
|
}
|
|
node.typeAnnotation = this.tsTryParseType();
|
|
this.semicolon();
|
|
this.expect(8);
|
|
return this.finishNode(node, "TSMappedType");
|
|
}
|
|
tsParseTupleType() {
|
|
const node = this.startNode();
|
|
node.elementTypes = this.tsParseBracketedList("TupleElementTypes", this.tsParseTupleElementType.bind(this), true, false);
|
|
let seenOptionalElement = false;
|
|
node.elementTypes.forEach(elementNode => {
|
|
const {
|
|
type
|
|
} = elementNode;
|
|
if (seenOptionalElement && type !== "TSRestType" && type !== "TSOptionalType" && !(type === "TSNamedTupleMember" && elementNode.optional)) {
|
|
this.raise(TSErrors.OptionalTypeBeforeRequired, elementNode);
|
|
}
|
|
seenOptionalElement || (seenOptionalElement = type === "TSNamedTupleMember" && elementNode.optional || type === "TSOptionalType");
|
|
});
|
|
return this.finishNode(node, "TSTupleType");
|
|
}
|
|
tsParseTupleElementType() {
|
|
const {
|
|
startLoc
|
|
} = this.state;
|
|
const rest = this.eat(21);
|
|
let labeled;
|
|
let label;
|
|
let optional;
|
|
let type;
|
|
const isWord = tokenIsKeywordOrIdentifier(this.state.type);
|
|
const chAfterWord = isWord ? this.lookaheadCharCode() : null;
|
|
if (chAfterWord === 58) {
|
|
labeled = true;
|
|
optional = false;
|
|
label = this.parseIdentifier(true);
|
|
this.expect(14);
|
|
type = this.tsParseType();
|
|
} else if (chAfterWord === 63) {
|
|
optional = true;
|
|
const startLoc = this.state.startLoc;
|
|
const wordName = this.state.value;
|
|
const typeOrLabel = this.tsParseNonArrayType();
|
|
if (this.lookaheadCharCode() === 58) {
|
|
labeled = true;
|
|
label = this.createIdentifier(this.startNodeAt(startLoc), wordName);
|
|
this.expect(17);
|
|
this.expect(14);
|
|
type = this.tsParseType();
|
|
} else {
|
|
labeled = false;
|
|
type = typeOrLabel;
|
|
this.expect(17);
|
|
}
|
|
} else {
|
|
type = this.tsParseType();
|
|
optional = this.eat(17);
|
|
labeled = this.eat(14);
|
|
}
|
|
if (labeled) {
|
|
let labeledNode;
|
|
if (label) {
|
|
labeledNode = this.startNodeAtNode(label);
|
|
labeledNode.optional = optional;
|
|
labeledNode.label = label;
|
|
labeledNode.elementType = type;
|
|
if (this.eat(17)) {
|
|
labeledNode.optional = true;
|
|
this.raise(TSErrors.TupleOptionalAfterType, this.state.lastTokStartLoc);
|
|
}
|
|
} else {
|
|
labeledNode = this.startNodeAtNode(type);
|
|
labeledNode.optional = optional;
|
|
this.raise(TSErrors.InvalidTupleMemberLabel, type);
|
|
labeledNode.label = type;
|
|
labeledNode.elementType = this.tsParseType();
|
|
}
|
|
type = this.finishNode(labeledNode, "TSNamedTupleMember");
|
|
} else if (optional) {
|
|
const optionalTypeNode = this.startNodeAtNode(type);
|
|
optionalTypeNode.typeAnnotation = type;
|
|
type = this.finishNode(optionalTypeNode, "TSOptionalType");
|
|
}
|
|
if (rest) {
|
|
const restNode = this.startNodeAt(startLoc);
|
|
restNode.typeAnnotation = type;
|
|
type = this.finishNode(restNode, "TSRestType");
|
|
}
|
|
return type;
|
|
}
|
|
tsParseParenthesizedType() {
|
|
const node = this.startNode();
|
|
this.expect(10);
|
|
node.typeAnnotation = this.tsParseType();
|
|
this.expect(11);
|
|
return this.finishNode(node, "TSParenthesizedType");
|
|
}
|
|
tsParseFunctionOrConstructorType(type, abstract) {
|
|
const node = this.startNode();
|
|
if (type === "TSConstructorType") {
|
|
node.abstract = !!abstract;
|
|
if (abstract) this.next();
|
|
this.next();
|
|
}
|
|
this.tsInAllowConditionalTypesContext(() => this.tsFillSignature(19, node));
|
|
return this.finishNode(node, type);
|
|
}
|
|
tsParseLiteralTypeNode() {
|
|
const node = this.startNode();
|
|
switch (this.state.type) {
|
|
case 134:
|
|
case 135:
|
|
case 133:
|
|
case 85:
|
|
case 86:
|
|
node.literal = super.parseExprAtom();
|
|
break;
|
|
default:
|
|
this.unexpected();
|
|
}
|
|
return this.finishNode(node, "TSLiteralType");
|
|
}
|
|
tsParseTemplateLiteralType() {
|
|
const node = this.startNode();
|
|
node.literal = super.parseTemplate(false);
|
|
return this.finishNode(node, "TSLiteralType");
|
|
}
|
|
parseTemplateSubstitution() {
|
|
if (this.state.inType) return this.tsParseType();
|
|
return super.parseTemplateSubstitution();
|
|
}
|
|
tsParseThisTypeOrThisTypePredicate() {
|
|
const thisKeyword = this.tsParseThisTypeNode();
|
|
if (this.isContextual(116) && !this.hasPrecedingLineBreak()) {
|
|
return this.tsParseThisTypePredicate(thisKeyword);
|
|
} else {
|
|
return thisKeyword;
|
|
}
|
|
}
|
|
tsParseNonArrayType() {
|
|
switch (this.state.type) {
|
|
case 133:
|
|
case 134:
|
|
case 135:
|
|
case 85:
|
|
case 86:
|
|
return this.tsParseLiteralTypeNode();
|
|
case 53:
|
|
if (this.state.value === "-") {
|
|
const node = this.startNode();
|
|
const nextToken = this.lookahead();
|
|
if (nextToken.type !== 134 && nextToken.type !== 135) {
|
|
this.unexpected();
|
|
}
|
|
node.literal = this.parseMaybeUnary();
|
|
return this.finishNode(node, "TSLiteralType");
|
|
}
|
|
break;
|
|
case 78:
|
|
return this.tsParseThisTypeOrThisTypePredicate();
|
|
case 87:
|
|
return this.tsParseTypeQuery();
|
|
case 83:
|
|
return this.tsParseImportType();
|
|
case 5:
|
|
return this.tsLookAhead(this.tsIsStartOfMappedType.bind(this)) ? this.tsParseMappedType() : this.tsParseTypeLiteral();
|
|
case 0:
|
|
return this.tsParseTupleType();
|
|
case 10:
|
|
return this.tsParseParenthesizedType();
|
|
case 25:
|
|
case 24:
|
|
return this.tsParseTemplateLiteralType();
|
|
default:
|
|
{
|
|
const {
|
|
type
|
|
} = this.state;
|
|
if (tokenIsIdentifier(type) || type === 88 || type === 84) {
|
|
const nodeType = type === 88 ? "TSVoidKeyword" : type === 84 ? "TSNullKeyword" : keywordTypeFromName(this.state.value);
|
|
if (nodeType !== undefined && this.lookaheadCharCode() !== 46) {
|
|
const node = this.startNode();
|
|
this.next();
|
|
return this.finishNode(node, nodeType);
|
|
}
|
|
return this.tsParseTypeReference();
|
|
}
|
|
}
|
|
}
|
|
this.unexpected();
|
|
}
|
|
tsParseArrayTypeOrHigher() {
|
|
let type = this.tsParseNonArrayType();
|
|
while (!this.hasPrecedingLineBreak() && this.eat(0)) {
|
|
if (this.match(3)) {
|
|
const node = this.startNodeAtNode(type);
|
|
node.elementType = type;
|
|
this.expect(3);
|
|
type = this.finishNode(node, "TSArrayType");
|
|
} else {
|
|
const node = this.startNodeAtNode(type);
|
|
node.objectType = type;
|
|
node.indexType = this.tsParseType();
|
|
this.expect(3);
|
|
type = this.finishNode(node, "TSIndexedAccessType");
|
|
}
|
|
}
|
|
return type;
|
|
}
|
|
tsParseTypeOperator() {
|
|
const node = this.startNode();
|
|
const operator = this.state.value;
|
|
this.next();
|
|
node.operator = operator;
|
|
node.typeAnnotation = this.tsParseTypeOperatorOrHigher();
|
|
if (operator === "readonly") {
|
|
this.tsCheckTypeAnnotationForReadOnly(node);
|
|
}
|
|
return this.finishNode(node, "TSTypeOperator");
|
|
}
|
|
tsCheckTypeAnnotationForReadOnly(node) {
|
|
switch (node.typeAnnotation.type) {
|
|
case "TSTupleType":
|
|
case "TSArrayType":
|
|
return;
|
|
default:
|
|
this.raise(TSErrors.UnexpectedReadonly, node);
|
|
}
|
|
}
|
|
tsParseInferType() {
|
|
const node = this.startNode();
|
|
this.expectContextual(115);
|
|
const typeParameter = this.startNode();
|
|
typeParameter.name = this.tsParseTypeParameterName();
|
|
typeParameter.constraint = this.tsTryParse(() => this.tsParseConstraintForInferType());
|
|
node.typeParameter = this.finishNode(typeParameter, "TSTypeParameter");
|
|
return this.finishNode(node, "TSInferType");
|
|
}
|
|
tsParseConstraintForInferType() {
|
|
if (this.eat(81)) {
|
|
const constraint = this.tsInDisallowConditionalTypesContext(() => this.tsParseType());
|
|
if (this.state.inDisallowConditionalTypesContext || !this.match(17)) {
|
|
return constraint;
|
|
}
|
|
}
|
|
}
|
|
tsParseTypeOperatorOrHigher() {
|
|
const isTypeOperator = tokenIsTSTypeOperator(this.state.type) && !this.state.containsEsc;
|
|
return isTypeOperator ? this.tsParseTypeOperator() : this.isContextual(115) ? this.tsParseInferType() : this.tsInAllowConditionalTypesContext(() => this.tsParseArrayTypeOrHigher());
|
|
}
|
|
tsParseUnionOrIntersectionType(kind, parseConstituentType, operator) {
|
|
const node = this.startNode();
|
|
const hasLeadingOperator = this.eat(operator);
|
|
const types = [];
|
|
do {
|
|
types.push(parseConstituentType());
|
|
} while (this.eat(operator));
|
|
if (types.length === 1 && !hasLeadingOperator) {
|
|
return types[0];
|
|
}
|
|
node.types = types;
|
|
return this.finishNode(node, kind);
|
|
}
|
|
tsParseIntersectionTypeOrHigher() {
|
|
return this.tsParseUnionOrIntersectionType("TSIntersectionType", this.tsParseTypeOperatorOrHigher.bind(this), 45);
|
|
}
|
|
tsParseUnionTypeOrHigher() {
|
|
return this.tsParseUnionOrIntersectionType("TSUnionType", this.tsParseIntersectionTypeOrHigher.bind(this), 43);
|
|
}
|
|
tsIsStartOfFunctionType() {
|
|
if (this.match(47)) {
|
|
return true;
|
|
}
|
|
return this.match(10) && this.tsLookAhead(this.tsIsUnambiguouslyStartOfFunctionType.bind(this));
|
|
}
|
|
tsSkipParameterStart() {
|
|
if (tokenIsIdentifier(this.state.type) || this.match(78)) {
|
|
this.next();
|
|
return true;
|
|
}
|
|
if (this.match(5)) {
|
|
const {
|
|
errors
|
|
} = this.state;
|
|
const previousErrorCount = errors.length;
|
|
try {
|
|
this.parseObjectLike(8, true);
|
|
return errors.length === previousErrorCount;
|
|
} catch (_unused) {
|
|
return false;
|
|
}
|
|
}
|
|
if (this.match(0)) {
|
|
this.next();
|
|
const {
|
|
errors
|
|
} = this.state;
|
|
const previousErrorCount = errors.length;
|
|
try {
|
|
super.parseBindingList(3, 93, 1);
|
|
return errors.length === previousErrorCount;
|
|
} catch (_unused2) {
|
|
return false;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
tsIsUnambiguouslyStartOfFunctionType() {
|
|
this.next();
|
|
if (this.match(11) || this.match(21)) {
|
|
return true;
|
|
}
|
|
if (this.tsSkipParameterStart()) {
|
|
if (this.match(14) || this.match(12) || this.match(17) || this.match(29)) {
|
|
return true;
|
|
}
|
|
if (this.match(11)) {
|
|
this.next();
|
|
if (this.match(19)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
tsParseTypeOrTypePredicateAnnotation(returnToken) {
|
|
return this.tsInType(() => {
|
|
const t = this.startNode();
|
|
this.expect(returnToken);
|
|
const node = this.startNode();
|
|
const asserts = !!this.tsTryParse(this.tsParseTypePredicateAsserts.bind(this));
|
|
if (asserts && this.match(78)) {
|
|
let thisTypePredicate = this.tsParseThisTypeOrThisTypePredicate();
|
|
if (thisTypePredicate.type === "TSThisType") {
|
|
node.parameterName = thisTypePredicate;
|
|
node.asserts = true;
|
|
node.typeAnnotation = null;
|
|
thisTypePredicate = this.finishNode(node, "TSTypePredicate");
|
|
} else {
|
|
this.resetStartLocationFromNode(thisTypePredicate, node);
|
|
thisTypePredicate.asserts = true;
|
|
}
|
|
t.typeAnnotation = thisTypePredicate;
|
|
return this.finishNode(t, "TSTypeAnnotation");
|
|
}
|
|
const typePredicateVariable = this.tsIsIdentifier() && this.tsTryParse(this.tsParseTypePredicatePrefix.bind(this));
|
|
if (!typePredicateVariable) {
|
|
if (!asserts) {
|
|
return this.tsParseTypeAnnotation(false, t);
|
|
}
|
|
node.parameterName = this.parseIdentifier();
|
|
node.asserts = asserts;
|
|
node.typeAnnotation = null;
|
|
t.typeAnnotation = this.finishNode(node, "TSTypePredicate");
|
|
return this.finishNode(t, "TSTypeAnnotation");
|
|
}
|
|
const type = this.tsParseTypeAnnotation(false);
|
|
node.parameterName = typePredicateVariable;
|
|
node.typeAnnotation = type;
|
|
node.asserts = asserts;
|
|
t.typeAnnotation = this.finishNode(node, "TSTypePredicate");
|
|
return this.finishNode(t, "TSTypeAnnotation");
|
|
});
|
|
}
|
|
tsTryParseTypeOrTypePredicateAnnotation() {
|
|
if (this.match(14)) {
|
|
return this.tsParseTypeOrTypePredicateAnnotation(14);
|
|
}
|
|
}
|
|
tsTryParseTypeAnnotation() {
|
|
if (this.match(14)) {
|
|
return this.tsParseTypeAnnotation();
|
|
}
|
|
}
|
|
tsTryParseType() {
|
|
return this.tsEatThenParseType(14);
|
|
}
|
|
tsParseTypePredicatePrefix() {
|
|
const id = this.parseIdentifier();
|
|
if (this.isContextual(116) && !this.hasPrecedingLineBreak()) {
|
|
this.next();
|
|
return id;
|
|
}
|
|
}
|
|
tsParseTypePredicateAsserts() {
|
|
if (this.state.type !== 109) {
|
|
return false;
|
|
}
|
|
const containsEsc = this.state.containsEsc;
|
|
this.next();
|
|
if (!tokenIsIdentifier(this.state.type) && !this.match(78)) {
|
|
return false;
|
|
}
|
|
if (containsEsc) {
|
|
this.raise(Errors.InvalidEscapedReservedWord, this.state.lastTokStartLoc, {
|
|
reservedWord: "asserts"
|
|
});
|
|
}
|
|
return true;
|
|
}
|
|
tsParseTypeAnnotation(eatColon = true, t = this.startNode()) {
|
|
this.tsInType(() => {
|
|
if (eatColon) this.expect(14);
|
|
t.typeAnnotation = this.tsParseType();
|
|
});
|
|
return this.finishNode(t, "TSTypeAnnotation");
|
|
}
|
|
tsParseType() {
|
|
assert(this.state.inType);
|
|
const type = this.tsParseNonConditionalType();
|
|
if (this.state.inDisallowConditionalTypesContext || this.hasPrecedingLineBreak() || !this.eat(81)) {
|
|
return type;
|
|
}
|
|
const node = this.startNodeAtNode(type);
|
|
node.checkType = type;
|
|
node.extendsType = this.tsInDisallowConditionalTypesContext(() => this.tsParseNonConditionalType());
|
|
this.expect(17);
|
|
node.trueType = this.tsInAllowConditionalTypesContext(() => this.tsParseType());
|
|
this.expect(14);
|
|
node.falseType = this.tsInAllowConditionalTypesContext(() => this.tsParseType());
|
|
return this.finishNode(node, "TSConditionalType");
|
|
}
|
|
isAbstractConstructorSignature() {
|
|
return this.isContextual(124) && this.lookahead().type === 77;
|
|
}
|
|
tsParseNonConditionalType() {
|
|
if (this.tsIsStartOfFunctionType()) {
|
|
return this.tsParseFunctionOrConstructorType("TSFunctionType");
|
|
}
|
|
if (this.match(77)) {
|
|
return this.tsParseFunctionOrConstructorType("TSConstructorType");
|
|
} else if (this.isAbstractConstructorSignature()) {
|
|
return this.tsParseFunctionOrConstructorType("TSConstructorType", true);
|
|
}
|
|
return this.tsParseUnionTypeOrHigher();
|
|
}
|
|
tsParseTypeAssertion() {
|
|
if (this.getPluginOption("typescript", "disallowAmbiguousJSXLike")) {
|
|
this.raise(TSErrors.ReservedTypeAssertion, this.state.startLoc);
|
|
}
|
|
const node = this.startNode();
|
|
node.typeAnnotation = this.tsInType(() => {
|
|
this.next();
|
|
return this.match(75) ? this.tsParseTypeReference() : this.tsParseType();
|
|
});
|
|
this.expect(48);
|
|
node.expression = this.parseMaybeUnary();
|
|
return this.finishNode(node, "TSTypeAssertion");
|
|
}
|
|
tsParseHeritageClause(token) {
|
|
const originalStartLoc = this.state.startLoc;
|
|
const delimitedList = this.tsParseDelimitedList("HeritageClauseElement", () => {
|
|
const node = this.startNode();
|
|
node.expression = this.tsParseEntityName();
|
|
if (this.match(47)) {
|
|
node.typeParameters = this.tsParseTypeArguments();
|
|
}
|
|
return this.finishNode(node, "TSExpressionWithTypeArguments");
|
|
});
|
|
if (!delimitedList.length) {
|
|
this.raise(TSErrors.EmptyHeritageClauseType, originalStartLoc, {
|
|
token
|
|
});
|
|
}
|
|
return delimitedList;
|
|
}
|
|
tsParseInterfaceDeclaration(node, properties = {}) {
|
|
if (this.hasFollowingLineBreak()) return null;
|
|
this.expectContextual(129);
|
|
if (properties.declare) node.declare = true;
|
|
if (tokenIsIdentifier(this.state.type)) {
|
|
node.id = this.parseIdentifier();
|
|
this.checkIdentifier(node.id, 130);
|
|
} else {
|
|
node.id = null;
|
|
this.raise(TSErrors.MissingInterfaceName, this.state.startLoc);
|
|
}
|
|
node.typeParameters = this.tsTryParseTypeParameters(this.tsParseInOutConstModifiers);
|
|
if (this.eat(81)) {
|
|
node.extends = this.tsParseHeritageClause("extends");
|
|
}
|
|
const body = this.startNode();
|
|
body.body = this.tsInType(this.tsParseObjectTypeMembers.bind(this));
|
|
node.body = this.finishNode(body, "TSInterfaceBody");
|
|
return this.finishNode(node, "TSInterfaceDeclaration");
|
|
}
|
|
tsParseTypeAliasDeclaration(node) {
|
|
node.id = this.parseIdentifier();
|
|
this.checkIdentifier(node.id, 2);
|
|
node.typeAnnotation = this.tsInType(() => {
|
|
node.typeParameters = this.tsTryParseTypeParameters(this.tsParseInOutModifiers);
|
|
this.expect(29);
|
|
if (this.isContextual(114) && this.lookahead().type !== 16) {
|
|
const node = this.startNode();
|
|
this.next();
|
|
return this.finishNode(node, "TSIntrinsicKeyword");
|
|
}
|
|
return this.tsParseType();
|
|
});
|
|
this.semicolon();
|
|
return this.finishNode(node, "TSTypeAliasDeclaration");
|
|
}
|
|
tsInNoContext(cb) {
|
|
const oldContext = this.state.context;
|
|
this.state.context = [oldContext[0]];
|
|
try {
|
|
return cb();
|
|
} finally {
|
|
this.state.context = oldContext;
|
|
}
|
|
}
|
|
tsInType(cb) {
|
|
const oldInType = this.state.inType;
|
|
this.state.inType = true;
|
|
try {
|
|
return cb();
|
|
} finally {
|
|
this.state.inType = oldInType;
|
|
}
|
|
}
|
|
tsInDisallowConditionalTypesContext(cb) {
|
|
const oldInDisallowConditionalTypesContext = this.state.inDisallowConditionalTypesContext;
|
|
this.state.inDisallowConditionalTypesContext = true;
|
|
try {
|
|
return cb();
|
|
} finally {
|
|
this.state.inDisallowConditionalTypesContext = oldInDisallowConditionalTypesContext;
|
|
}
|
|
}
|
|
tsInAllowConditionalTypesContext(cb) {
|
|
const oldInDisallowConditionalTypesContext = this.state.inDisallowConditionalTypesContext;
|
|
this.state.inDisallowConditionalTypesContext = false;
|
|
try {
|
|
return cb();
|
|
} finally {
|
|
this.state.inDisallowConditionalTypesContext = oldInDisallowConditionalTypesContext;
|
|
}
|
|
}
|
|
tsEatThenParseType(token) {
|
|
if (this.match(token)) {
|
|
return this.tsNextThenParseType();
|
|
}
|
|
}
|
|
tsExpectThenParseType(token) {
|
|
return this.tsInType(() => {
|
|
this.expect(token);
|
|
return this.tsParseType();
|
|
});
|
|
}
|
|
tsNextThenParseType() {
|
|
return this.tsInType(() => {
|
|
this.next();
|
|
return this.tsParseType();
|
|
});
|
|
}
|
|
tsParseEnumMember() {
|
|
const node = this.startNode();
|
|
node.id = this.match(133) ? super.parseStringLiteral(this.state.value) : this.parseIdentifier(true);
|
|
if (this.eat(29)) {
|
|
node.initializer = super.parseMaybeAssignAllowIn();
|
|
}
|
|
return this.finishNode(node, "TSEnumMember");
|
|
}
|
|
tsParseEnumDeclaration(node, properties = {}) {
|
|
if (properties.const) node.const = true;
|
|
if (properties.declare) node.declare = true;
|
|
this.expectContextual(126);
|
|
node.id = this.parseIdentifier();
|
|
this.checkIdentifier(node.id, node.const ? 8971 : 8459);
|
|
this.expect(5);
|
|
node.members = this.tsParseDelimitedList("EnumMembers", this.tsParseEnumMember.bind(this));
|
|
this.expect(8);
|
|
return this.finishNode(node, "TSEnumDeclaration");
|
|
}
|
|
tsParseModuleBlock() {
|
|
const node = this.startNode();
|
|
this.scope.enter(0);
|
|
this.expect(5);
|
|
super.parseBlockOrModuleBlockBody(node.body = [], undefined, true, 8);
|
|
this.scope.exit();
|
|
return this.finishNode(node, "TSModuleBlock");
|
|
}
|
|
tsParseModuleOrNamespaceDeclaration(node, nested = false) {
|
|
node.id = this.parseIdentifier();
|
|
if (!nested) {
|
|
this.checkIdentifier(node.id, 1024);
|
|
}
|
|
if (this.eat(16)) {
|
|
const inner = this.startNode();
|
|
this.tsParseModuleOrNamespaceDeclaration(inner, true);
|
|
node.body = inner;
|
|
} else {
|
|
this.scope.enter(256);
|
|
this.prodParam.enter(0);
|
|
node.body = this.tsParseModuleBlock();
|
|
this.prodParam.exit();
|
|
this.scope.exit();
|
|
}
|
|
return this.finishNode(node, "TSModuleDeclaration");
|
|
}
|
|
tsParseAmbientExternalModuleDeclaration(node) {
|
|
if (this.isContextual(112)) {
|
|
node.global = true;
|
|
node.id = this.parseIdentifier();
|
|
} else if (this.match(133)) {
|
|
node.id = super.parseStringLiteral(this.state.value);
|
|
} else {
|
|
this.unexpected();
|
|
}
|
|
if (this.match(5)) {
|
|
this.scope.enter(256);
|
|
this.prodParam.enter(0);
|
|
node.body = this.tsParseModuleBlock();
|
|
this.prodParam.exit();
|
|
this.scope.exit();
|
|
} else {
|
|
this.semicolon();
|
|
}
|
|
return this.finishNode(node, "TSModuleDeclaration");
|
|
}
|
|
tsParseImportEqualsDeclaration(node, maybeDefaultIdentifier, isExport) {
|
|
node.isExport = isExport || false;
|
|
node.id = maybeDefaultIdentifier || this.parseIdentifier();
|
|
this.checkIdentifier(node.id, 4096);
|
|
this.expect(29);
|
|
const moduleReference = this.tsParseModuleReference();
|
|
if (node.importKind === "type" && moduleReference.type !== "TSExternalModuleReference") {
|
|
this.raise(TSErrors.ImportAliasHasImportType, moduleReference);
|
|
}
|
|
node.moduleReference = moduleReference;
|
|
this.semicolon();
|
|
return this.finishNode(node, "TSImportEqualsDeclaration");
|
|
}
|
|
tsIsExternalModuleReference() {
|
|
return this.isContextual(119) && this.lookaheadCharCode() === 40;
|
|
}
|
|
tsParseModuleReference() {
|
|
return this.tsIsExternalModuleReference() ? this.tsParseExternalModuleReference() : this.tsParseEntityName(false);
|
|
}
|
|
tsParseExternalModuleReference() {
|
|
const node = this.startNode();
|
|
this.expectContextual(119);
|
|
this.expect(10);
|
|
if (!this.match(133)) {
|
|
this.unexpected();
|
|
}
|
|
node.expression = super.parseExprAtom();
|
|
this.expect(11);
|
|
this.sawUnambiguousESM = true;
|
|
return this.finishNode(node, "TSExternalModuleReference");
|
|
}
|
|
tsLookAhead(f) {
|
|
const state = this.state.clone();
|
|
const res = f();
|
|
this.state = state;
|
|
return res;
|
|
}
|
|
tsTryParseAndCatch(f) {
|
|
const result = this.tryParse(abort => f() || abort());
|
|
if (result.aborted || !result.node) return;
|
|
if (result.error) this.state = result.failState;
|
|
return result.node;
|
|
}
|
|
tsTryParse(f) {
|
|
const state = this.state.clone();
|
|
const result = f();
|
|
if (result !== undefined && result !== false) {
|
|
return result;
|
|
}
|
|
this.state = state;
|
|
}
|
|
tsTryParseDeclare(nany) {
|
|
if (this.isLineTerminator()) {
|
|
return;
|
|
}
|
|
let startType = this.state.type;
|
|
let kind;
|
|
if (this.isContextual(100)) {
|
|
startType = 74;
|
|
kind = "let";
|
|
}
|
|
return this.tsInAmbientContext(() => {
|
|
switch (startType) {
|
|
case 68:
|
|
nany.declare = true;
|
|
return super.parseFunctionStatement(nany, false, false);
|
|
case 80:
|
|
nany.declare = true;
|
|
return this.parseClass(nany, true, false);
|
|
case 126:
|
|
return this.tsParseEnumDeclaration(nany, {
|
|
declare: true
|
|
});
|
|
case 112:
|
|
return this.tsParseAmbientExternalModuleDeclaration(nany);
|
|
case 75:
|
|
case 74:
|
|
if (!this.match(75) || !this.isLookaheadContextual("enum")) {
|
|
nany.declare = true;
|
|
return this.parseVarStatement(nany, kind || this.state.value, true);
|
|
}
|
|
this.expect(75);
|
|
return this.tsParseEnumDeclaration(nany, {
|
|
const: true,
|
|
declare: true
|
|
});
|
|
case 129:
|
|
{
|
|
const result = this.tsParseInterfaceDeclaration(nany, {
|
|
declare: true
|
|
});
|
|
if (result) return result;
|
|
}
|
|
default:
|
|
if (tokenIsIdentifier(startType)) {
|
|
return this.tsParseDeclaration(nany, this.state.value, true, null);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
tsTryParseExportDeclaration() {
|
|
return this.tsParseDeclaration(this.startNode(), this.state.value, true, null);
|
|
}
|
|
tsParseExpressionStatement(node, expr, decorators) {
|
|
switch (expr.name) {
|
|
case "declare":
|
|
{
|
|
const declaration = this.tsTryParseDeclare(node);
|
|
if (declaration) {
|
|
declaration.declare = true;
|
|
}
|
|
return declaration;
|
|
}
|
|
case "global":
|
|
if (this.match(5)) {
|
|
this.scope.enter(256);
|
|
this.prodParam.enter(0);
|
|
const mod = node;
|
|
mod.global = true;
|
|
mod.id = expr;
|
|
mod.body = this.tsParseModuleBlock();
|
|
this.scope.exit();
|
|
this.prodParam.exit();
|
|
return this.finishNode(mod, "TSModuleDeclaration");
|
|
}
|
|
break;
|
|
default:
|
|
return this.tsParseDeclaration(node, expr.name, false, decorators);
|
|
}
|
|
}
|
|
tsParseDeclaration(node, value, next, decorators) {
|
|
switch (value) {
|
|
case "abstract":
|
|
if (this.tsCheckLineTerminator(next) && (this.match(80) || tokenIsIdentifier(this.state.type))) {
|
|
return this.tsParseAbstractDeclaration(node, decorators);
|
|
}
|
|
break;
|
|
case "module":
|
|
if (this.tsCheckLineTerminator(next)) {
|
|
if (this.match(133)) {
|
|
return this.tsParseAmbientExternalModuleDeclaration(node);
|
|
} else if (tokenIsIdentifier(this.state.type)) {
|
|
return this.tsParseModuleOrNamespaceDeclaration(node);
|
|
}
|
|
}
|
|
break;
|
|
case "namespace":
|
|
if (this.tsCheckLineTerminator(next) && tokenIsIdentifier(this.state.type)) {
|
|
return this.tsParseModuleOrNamespaceDeclaration(node);
|
|
}
|
|
break;
|
|
case "type":
|
|
if (this.tsCheckLineTerminator(next) && tokenIsIdentifier(this.state.type)) {
|
|
return this.tsParseTypeAliasDeclaration(node);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
tsCheckLineTerminator(next) {
|
|
if (next) {
|
|
if (this.hasFollowingLineBreak()) return false;
|
|
this.next();
|
|
return true;
|
|
}
|
|
return !this.isLineTerminator();
|
|
}
|
|
tsTryParseGenericAsyncArrowFunction(startLoc) {
|
|
if (!this.match(47)) return;
|
|
const oldMaybeInArrowParameters = this.state.maybeInArrowParameters;
|
|
this.state.maybeInArrowParameters = true;
|
|
const res = this.tsTryParseAndCatch(() => {
|
|
const node = this.startNodeAt(startLoc);
|
|
node.typeParameters = this.tsParseTypeParameters(this.tsParseConstModifier);
|
|
super.parseFunctionParams(node);
|
|
node.returnType = this.tsTryParseTypeOrTypePredicateAnnotation();
|
|
this.expect(19);
|
|
return node;
|
|
});
|
|
this.state.maybeInArrowParameters = oldMaybeInArrowParameters;
|
|
if (!res) return;
|
|
return super.parseArrowExpression(res, null, true);
|
|
}
|
|
tsParseTypeArgumentsInExpression() {
|
|
if (this.reScan_lt() !== 47) return;
|
|
return this.tsParseTypeArguments();
|
|
}
|
|
tsParseTypeArguments() {
|
|
const node = this.startNode();
|
|
node.params = this.tsInType(() => this.tsInNoContext(() => {
|
|
this.expect(47);
|
|
return this.tsParseDelimitedList("TypeParametersOrArguments", this.tsParseType.bind(this));
|
|
}));
|
|
if (node.params.length === 0) {
|
|
this.raise(TSErrors.EmptyTypeArguments, node);
|
|
} else if (!this.state.inType && this.curContext() === types.brace) {
|
|
this.reScan_lt_gt();
|
|
}
|
|
this.expect(48);
|
|
return this.finishNode(node, "TSTypeParameterInstantiation");
|
|
}
|
|
tsIsDeclarationStart() {
|
|
return tokenIsTSDeclarationStart(this.state.type);
|
|
}
|
|
isExportDefaultSpecifier() {
|
|
if (this.tsIsDeclarationStart()) return false;
|
|
return super.isExportDefaultSpecifier();
|
|
}
|
|
parseAssignableListItem(flags, decorators) {
|
|
const startLoc = this.state.startLoc;
|
|
const modified = {};
|
|
this.tsParseModifiers({
|
|
allowedModifiers: ["public", "private", "protected", "override", "readonly"]
|
|
}, modified);
|
|
const accessibility = modified.accessibility;
|
|
const override = modified.override;
|
|
const readonly = modified.readonly;
|
|
if (!(flags & 4) && (accessibility || readonly || override)) {
|
|
this.raise(TSErrors.UnexpectedParameterModifier, startLoc);
|
|
}
|
|
const left = this.parseMaybeDefault();
|
|
this.parseAssignableListItemTypes(left, flags);
|
|
const elt = this.parseMaybeDefault(left.loc.start, left);
|
|
if (accessibility || readonly || override) {
|
|
const pp = this.startNodeAt(startLoc);
|
|
if (decorators.length) {
|
|
pp.decorators = decorators;
|
|
}
|
|
if (accessibility) pp.accessibility = accessibility;
|
|
if (readonly) pp.readonly = readonly;
|
|
if (override) pp.override = override;
|
|
if (elt.type !== "Identifier" && elt.type !== "AssignmentPattern") {
|
|
this.raise(TSErrors.UnsupportedParameterPropertyKind, pp);
|
|
}
|
|
pp.parameter = elt;
|
|
return this.finishNode(pp, "TSParameterProperty");
|
|
}
|
|
if (decorators.length) {
|
|
left.decorators = decorators;
|
|
}
|
|
return elt;
|
|
}
|
|
isSimpleParameter(node) {
|
|
return node.type === "TSParameterProperty" && super.isSimpleParameter(node.parameter) || super.isSimpleParameter(node);
|
|
}
|
|
tsDisallowOptionalPattern(node) {
|
|
for (const param of node.params) {
|
|
if (param.type !== "Identifier" && param.optional && !this.state.isAmbientContext) {
|
|
this.raise(TSErrors.PatternIsOptional, param);
|
|
}
|
|
}
|
|
}
|
|
setArrowFunctionParameters(node, params, trailingCommaLoc) {
|
|
super.setArrowFunctionParameters(node, params, trailingCommaLoc);
|
|
this.tsDisallowOptionalPattern(node);
|
|
}
|
|
parseFunctionBodyAndFinish(node, type, isMethod = false) {
|
|
if (this.match(14)) {
|
|
node.returnType = this.tsParseTypeOrTypePredicateAnnotation(14);
|
|
}
|
|
const bodilessType = type === "FunctionDeclaration" ? "TSDeclareFunction" : type === "ClassMethod" || type === "ClassPrivateMethod" ? "TSDeclareMethod" : undefined;
|
|
if (bodilessType && !this.match(5) && this.isLineTerminator()) {
|
|
return this.finishNode(node, bodilessType);
|
|
}
|
|
if (bodilessType === "TSDeclareFunction" && this.state.isAmbientContext) {
|
|
this.raise(TSErrors.DeclareFunctionHasImplementation, node);
|
|
if (node.declare) {
|
|
return super.parseFunctionBodyAndFinish(node, bodilessType, isMethod);
|
|
}
|
|
}
|
|
this.tsDisallowOptionalPattern(node);
|
|
return super.parseFunctionBodyAndFinish(node, type, isMethod);
|
|
}
|
|
registerFunctionStatementId(node) {
|
|
if (!node.body && node.id) {
|
|
this.checkIdentifier(node.id, 1024);
|
|
} else {
|
|
super.registerFunctionStatementId(node);
|
|
}
|
|
}
|
|
tsCheckForInvalidTypeCasts(items) {
|
|
items.forEach(node => {
|
|
if ((node == null ? void 0 : node.type) === "TSTypeCastExpression") {
|
|
this.raise(TSErrors.UnexpectedTypeAnnotation, node.typeAnnotation);
|
|
}
|
|
});
|
|
}
|
|
toReferencedList(exprList, isInParens) {
|
|
this.tsCheckForInvalidTypeCasts(exprList);
|
|
return exprList;
|
|
}
|
|
parseArrayLike(close, canBePattern, isTuple, refExpressionErrors) {
|
|
const node = super.parseArrayLike(close, canBePattern, isTuple, refExpressionErrors);
|
|
if (node.type === "ArrayExpression") {
|
|
this.tsCheckForInvalidTypeCasts(node.elements);
|
|
}
|
|
return node;
|
|
}
|
|
parseSubscript(base, startLoc, noCalls, state) {
|
|
if (!this.hasPrecedingLineBreak() && this.match(35)) {
|
|
this.state.canStartJSXElement = false;
|
|
this.next();
|
|
const nonNullExpression = this.startNodeAt(startLoc);
|
|
nonNullExpression.expression = base;
|
|
return this.finishNode(nonNullExpression, "TSNonNullExpression");
|
|
}
|
|
let isOptionalCall = false;
|
|
if (this.match(18) && this.lookaheadCharCode() === 60) {
|
|
if (noCalls) {
|
|
state.stop = true;
|
|
return base;
|
|
}
|
|
state.optionalChainMember = isOptionalCall = true;
|
|
this.next();
|
|
}
|
|
if (this.match(47) || this.match(51)) {
|
|
let missingParenErrorLoc;
|
|
const result = this.tsTryParseAndCatch(() => {
|
|
if (!noCalls && this.atPossibleAsyncArrow(base)) {
|
|
const asyncArrowFn = this.tsTryParseGenericAsyncArrowFunction(startLoc);
|
|
if (asyncArrowFn) {
|
|
return asyncArrowFn;
|
|
}
|
|
}
|
|
const typeArguments = this.tsParseTypeArgumentsInExpression();
|
|
if (!typeArguments) return;
|
|
if (isOptionalCall && !this.match(10)) {
|
|
missingParenErrorLoc = this.state.curPosition();
|
|
return;
|
|
}
|
|
if (tokenIsTemplate(this.state.type)) {
|
|
const result = super.parseTaggedTemplateExpression(base, startLoc, state);
|
|
result.typeParameters = typeArguments;
|
|
return result;
|
|
}
|
|
if (!noCalls && this.eat(10)) {
|
|
const node = this.startNodeAt(startLoc);
|
|
node.callee = base;
|
|
node.arguments = this.parseCallExpressionArguments(11, false);
|
|
this.tsCheckForInvalidTypeCasts(node.arguments);
|
|
node.typeParameters = typeArguments;
|
|
if (state.optionalChainMember) {
|
|
node.optional = isOptionalCall;
|
|
}
|
|
return this.finishCallExpression(node, state.optionalChainMember);
|
|
}
|
|
const tokenType = this.state.type;
|
|
if (tokenType === 48 || tokenType === 52 || tokenType !== 10 && tokenCanStartExpression(tokenType) && !this.hasPrecedingLineBreak()) {
|
|
return;
|
|
}
|
|
const node = this.startNodeAt(startLoc);
|
|
node.expression = base;
|
|
node.typeParameters = typeArguments;
|
|
return this.finishNode(node, "TSInstantiationExpression");
|
|
});
|
|
if (missingParenErrorLoc) {
|
|
this.unexpected(missingParenErrorLoc, 10);
|
|
}
|
|
if (result) {
|
|
if (result.type === "TSInstantiationExpression" && (this.match(16) || this.match(18) && this.lookaheadCharCode() !== 40)) {
|
|
this.raise(TSErrors.InvalidPropertyAccessAfterInstantiationExpression, this.state.startLoc);
|
|
}
|
|
return result;
|
|
}
|
|
}
|
|
return super.parseSubscript(base, startLoc, noCalls, state);
|
|
}
|
|
parseNewCallee(node) {
|
|
var _callee$extra;
|
|
super.parseNewCallee(node);
|
|
const {
|
|
callee
|
|
} = node;
|
|
if (callee.type === "TSInstantiationExpression" && !((_callee$extra = callee.extra) != null && _callee$extra.parenthesized)) {
|
|
node.typeParameters = callee.typeParameters;
|
|
node.callee = callee.expression;
|
|
}
|
|
}
|
|
parseExprOp(left, leftStartLoc, minPrec) {
|
|
let isSatisfies;
|
|
if (tokenOperatorPrecedence(58) > minPrec && !this.hasPrecedingLineBreak() && (this.isContextual(93) || (isSatisfies = this.isContextual(120)))) {
|
|
const node = this.startNodeAt(leftStartLoc);
|
|
node.expression = left;
|
|
node.typeAnnotation = this.tsInType(() => {
|
|
this.next();
|
|
if (this.match(75)) {
|
|
if (isSatisfies) {
|
|
this.raise(Errors.UnexpectedKeyword, this.state.startLoc, {
|
|
keyword: "const"
|
|
});
|
|
}
|
|
return this.tsParseTypeReference();
|
|
}
|
|
return this.tsParseType();
|
|
});
|
|
this.finishNode(node, isSatisfies ? "TSSatisfiesExpression" : "TSAsExpression");
|
|
this.reScan_lt_gt();
|
|
return this.parseExprOp(node, leftStartLoc, minPrec);
|
|
}
|
|
return super.parseExprOp(left, leftStartLoc, minPrec);
|
|
}
|
|
checkReservedWord(word, startLoc, checkKeywords, isBinding) {
|
|
if (!this.state.isAmbientContext) {
|
|
super.checkReservedWord(word, startLoc, checkKeywords, isBinding);
|
|
}
|
|
}
|
|
checkImportReflection(node) {
|
|
super.checkImportReflection(node);
|
|
if (node.module && node.importKind !== "value") {
|
|
this.raise(TSErrors.ImportReflectionHasImportType, node.specifiers[0].loc.start);
|
|
}
|
|
}
|
|
checkDuplicateExports() {}
|
|
isPotentialImportPhase(isExport) {
|
|
if (super.isPotentialImportPhase(isExport)) return true;
|
|
if (this.isContextual(130)) {
|
|
const ch = this.lookaheadCharCode();
|
|
return isExport ? ch === 123 || ch === 42 : ch !== 61;
|
|
}
|
|
return !isExport && this.isContextual(87);
|
|
}
|
|
applyImportPhase(node, isExport, phase, loc) {
|
|
super.applyImportPhase(node, isExport, phase, loc);
|
|
if (isExport) {
|
|
node.exportKind = phase === "type" ? "type" : "value";
|
|
} else {
|
|
node.importKind = phase === "type" || phase === "typeof" ? phase : "value";
|
|
}
|
|
}
|
|
parseImport(node) {
|
|
if (this.match(133)) {
|
|
node.importKind = "value";
|
|
return super.parseImport(node);
|
|
}
|
|
let importNode;
|
|
if (tokenIsIdentifier(this.state.type) && this.lookaheadCharCode() === 61) {
|
|
node.importKind = "value";
|
|
return this.tsParseImportEqualsDeclaration(node);
|
|
} else if (this.isContextual(130)) {
|
|
const maybeDefaultIdentifier = this.parseMaybeImportPhase(node, false);
|
|
if (this.lookaheadCharCode() === 61) {
|
|
return this.tsParseImportEqualsDeclaration(node, maybeDefaultIdentifier);
|
|
} else {
|
|
importNode = super.parseImportSpecifiersAndAfter(node, maybeDefaultIdentifier);
|
|
}
|
|
} else {
|
|
importNode = super.parseImport(node);
|
|
}
|
|
if (importNode.importKind === "type" && importNode.specifiers.length > 1 && importNode.specifiers[0].type === "ImportDefaultSpecifier") {
|
|
this.raise(TSErrors.TypeImportCannotSpecifyDefaultAndNamed, importNode);
|
|
}
|
|
return importNode;
|
|
}
|
|
parseExport(node, decorators) {
|
|
if (this.match(83)) {
|
|
this.next();
|
|
let maybeDefaultIdentifier = null;
|
|
if (this.isContextual(130) && this.isPotentialImportPhase(false)) {
|
|
maybeDefaultIdentifier = this.parseMaybeImportPhase(node, false);
|
|
} else {
|
|
node.importKind = "value";
|
|
}
|
|
return this.tsParseImportEqualsDeclaration(node, maybeDefaultIdentifier, true);
|
|
} else if (this.eat(29)) {
|
|
const assign = node;
|
|
assign.expression = super.parseExpression();
|
|
this.semicolon();
|
|
this.sawUnambiguousESM = true;
|
|
return this.finishNode(assign, "TSExportAssignment");
|
|
} else if (this.eatContextual(93)) {
|
|
const decl = node;
|
|
this.expectContextual(128);
|
|
decl.id = this.parseIdentifier();
|
|
this.semicolon();
|
|
return this.finishNode(decl, "TSNamespaceExportDeclaration");
|
|
} else {
|
|
return super.parseExport(node, decorators);
|
|
}
|
|
}
|
|
isAbstractClass() {
|
|
return this.isContextual(124) && this.lookahead().type === 80;
|
|
}
|
|
parseExportDefaultExpression() {
|
|
if (this.isAbstractClass()) {
|
|
const cls = this.startNode();
|
|
this.next();
|
|
cls.abstract = true;
|
|
return this.parseClass(cls, true, true);
|
|
}
|
|
if (this.match(129)) {
|
|
const result = this.tsParseInterfaceDeclaration(this.startNode());
|
|
if (result) return result;
|
|
}
|
|
return super.parseExportDefaultExpression();
|
|
}
|
|
parseVarStatement(node, kind, allowMissingInitializer = false) {
|
|
const {
|
|
isAmbientContext
|
|
} = this.state;
|
|
const declaration = super.parseVarStatement(node, kind, allowMissingInitializer || isAmbientContext);
|
|
if (!isAmbientContext) return declaration;
|
|
for (const {
|
|
id,
|
|
init
|
|
} of declaration.declarations) {
|
|
if (!init) continue;
|
|
if (kind !== "const" || !!id.typeAnnotation) {
|
|
this.raise(TSErrors.InitializerNotAllowedInAmbientContext, init);
|
|
} else if (!isValidAmbientConstInitializer(init, this.hasPlugin("estree"))) {
|
|
this.raise(TSErrors.ConstInitiailizerMustBeStringOrNumericLiteralOrLiteralEnumReference, init);
|
|
}
|
|
}
|
|
return declaration;
|
|
}
|
|
parseStatementContent(flags, decorators) {
|
|
if (this.match(75) && this.isLookaheadContextual("enum")) {
|
|
const node = this.startNode();
|
|
this.expect(75);
|
|
return this.tsParseEnumDeclaration(node, {
|
|
const: true
|
|
});
|
|
}
|
|
if (this.isContextual(126)) {
|
|
return this.tsParseEnumDeclaration(this.startNode());
|
|
}
|
|
if (this.isContextual(129)) {
|
|
const result = this.tsParseInterfaceDeclaration(this.startNode());
|
|
if (result) return result;
|
|
}
|
|
return super.parseStatementContent(flags, decorators);
|
|
}
|
|
parseAccessModifier() {
|
|
return this.tsParseModifier(["public", "protected", "private"]);
|
|
}
|
|
tsHasSomeModifiers(member, modifiers) {
|
|
return modifiers.some(modifier => {
|
|
if (tsIsAccessModifier(modifier)) {
|
|
return member.accessibility === modifier;
|
|
}
|
|
return !!member[modifier];
|
|
});
|
|
}
|
|
tsIsStartOfStaticBlocks() {
|
|
return this.isContextual(106) && this.lookaheadCharCode() === 123;
|
|
}
|
|
parseClassMember(classBody, member, state) {
|
|
const modifiers = ["declare", "private", "public", "protected", "override", "abstract", "readonly", "static"];
|
|
this.tsParseModifiers({
|
|
allowedModifiers: modifiers,
|
|
disallowedModifiers: ["in", "out"],
|
|
stopOnStartOfClassStaticBlock: true,
|
|
errorTemplate: TSErrors.InvalidModifierOnTypeParameterPositions
|
|
}, member);
|
|
const callParseClassMemberWithIsStatic = () => {
|
|
if (this.tsIsStartOfStaticBlocks()) {
|
|
this.next();
|
|
this.next();
|
|
if (this.tsHasSomeModifiers(member, modifiers)) {
|
|
this.raise(TSErrors.StaticBlockCannotHaveModifier, this.state.curPosition());
|
|
}
|
|
super.parseClassStaticBlock(classBody, member);
|
|
} else {
|
|
this.parseClassMemberWithIsStatic(classBody, member, state, !!member.static);
|
|
}
|
|
};
|
|
if (member.declare) {
|
|
this.tsInAmbientContext(callParseClassMemberWithIsStatic);
|
|
} else {
|
|
callParseClassMemberWithIsStatic();
|
|
}
|
|
}
|
|
parseClassMemberWithIsStatic(classBody, member, state, isStatic) {
|
|
const idx = this.tsTryParseIndexSignature(member);
|
|
if (idx) {
|
|
classBody.body.push(idx);
|
|
if (member.abstract) {
|
|
this.raise(TSErrors.IndexSignatureHasAbstract, member);
|
|
}
|
|
if (member.accessibility) {
|
|
this.raise(TSErrors.IndexSignatureHasAccessibility, member, {
|
|
modifier: member.accessibility
|
|
});
|
|
}
|
|
if (member.declare) {
|
|
this.raise(TSErrors.IndexSignatureHasDeclare, member);
|
|
}
|
|
if (member.override) {
|
|
this.raise(TSErrors.IndexSignatureHasOverride, member);
|
|
}
|
|
return;
|
|
}
|
|
if (!this.state.inAbstractClass && member.abstract) {
|
|
this.raise(TSErrors.NonAbstractClassHasAbstractMethod, member);
|
|
}
|
|
if (member.override) {
|
|
if (!state.hadSuperClass) {
|
|
this.raise(TSErrors.OverrideNotInSubClass, member);
|
|
}
|
|
}
|
|
super.parseClassMemberWithIsStatic(classBody, member, state, isStatic);
|
|
}
|
|
parsePostMemberNameModifiers(methodOrProp) {
|
|
const optional = this.eat(17);
|
|
if (optional) methodOrProp.optional = true;
|
|
if (methodOrProp.readonly && this.match(10)) {
|
|
this.raise(TSErrors.ClassMethodHasReadonly, methodOrProp);
|
|
}
|
|
if (methodOrProp.declare && this.match(10)) {
|
|
this.raise(TSErrors.ClassMethodHasDeclare, methodOrProp);
|
|
}
|
|
}
|
|
parseExpressionStatement(node, expr, decorators) {
|
|
const decl = expr.type === "Identifier" ? this.tsParseExpressionStatement(node, expr, decorators) : undefined;
|
|
return decl || super.parseExpressionStatement(node, expr, decorators);
|
|
}
|
|
shouldParseExportDeclaration() {
|
|
if (this.tsIsDeclarationStart()) return true;
|
|
return super.shouldParseExportDeclaration();
|
|
}
|
|
parseConditional(expr, startLoc, refExpressionErrors) {
|
|
if (!this.state.maybeInArrowParameters || !this.match(17)) {
|
|
return super.parseConditional(expr, startLoc, refExpressionErrors);
|
|
}
|
|
const result = this.tryParse(() => super.parseConditional(expr, startLoc));
|
|
if (!result.node) {
|
|
if (result.error) {
|
|
super.setOptionalParametersError(refExpressionErrors, result.error);
|
|
}
|
|
return expr;
|
|
}
|
|
if (result.error) this.state = result.failState;
|
|
return result.node;
|
|
}
|
|
parseParenItem(node, startLoc) {
|
|
node = super.parseParenItem(node, startLoc);
|
|
if (this.eat(17)) {
|
|
node.optional = true;
|
|
this.resetEndLocation(node);
|
|
}
|
|
if (this.match(14)) {
|
|
const typeCastNode = this.startNodeAt(startLoc);
|
|
typeCastNode.expression = node;
|
|
typeCastNode.typeAnnotation = this.tsParseTypeAnnotation();
|
|
return this.finishNode(typeCastNode, "TSTypeCastExpression");
|
|
}
|
|
return node;
|
|
}
|
|
parseExportDeclaration(node) {
|
|
if (!this.state.isAmbientContext && this.isContextual(125)) {
|
|
return this.tsInAmbientContext(() => this.parseExportDeclaration(node));
|
|
}
|
|
const startLoc = this.state.startLoc;
|
|
const isDeclare = this.eatContextual(125);
|
|
if (isDeclare && (this.isContextual(125) || !this.shouldParseExportDeclaration())) {
|
|
throw this.raise(TSErrors.ExpectedAmbientAfterExportDeclare, this.state.startLoc);
|
|
}
|
|
const isIdentifier = tokenIsIdentifier(this.state.type);
|
|
const declaration = isIdentifier && this.tsTryParseExportDeclaration() || super.parseExportDeclaration(node);
|
|
if (!declaration) return null;
|
|
if (declaration.type === "TSInterfaceDeclaration" || declaration.type === "TSTypeAliasDeclaration" || isDeclare) {
|
|
node.exportKind = "type";
|
|
}
|
|
if (isDeclare) {
|
|
this.resetStartLocation(declaration, startLoc);
|
|
declaration.declare = true;
|
|
}
|
|
return declaration;
|
|
}
|
|
parseClassId(node, isStatement, optionalId, bindingType) {
|
|
if ((!isStatement || optionalId) && this.isContextual(113)) {
|
|
return;
|
|
}
|
|
super.parseClassId(node, isStatement, optionalId, node.declare ? 1024 : 8331);
|
|
const typeParameters = this.tsTryParseTypeParameters(this.tsParseInOutConstModifiers);
|
|
if (typeParameters) node.typeParameters = typeParameters;
|
|
}
|
|
parseClassPropertyAnnotation(node) {
|
|
if (!node.optional) {
|
|
if (this.eat(35)) {
|
|
node.definite = true;
|
|
} else if (this.eat(17)) {
|
|
node.optional = true;
|
|
}
|
|
}
|
|
const type = this.tsTryParseTypeAnnotation();
|
|
if (type) node.typeAnnotation = type;
|
|
}
|
|
parseClassProperty(node) {
|
|
this.parseClassPropertyAnnotation(node);
|
|
if (this.state.isAmbientContext && !(node.readonly && !node.typeAnnotation) && this.match(29)) {
|
|
this.raise(TSErrors.DeclareClassFieldHasInitializer, this.state.startLoc);
|
|
}
|
|
if (node.abstract && this.match(29)) {
|
|
const {
|
|
key
|
|
} = node;
|
|
this.raise(TSErrors.AbstractPropertyHasInitializer, this.state.startLoc, {
|
|
propertyName: key.type === "Identifier" && !node.computed ? key.name : `[${this.input.slice(key.start, key.end)}]`
|
|
});
|
|
}
|
|
return super.parseClassProperty(node);
|
|
}
|
|
parseClassPrivateProperty(node) {
|
|
if (node.abstract) {
|
|
this.raise(TSErrors.PrivateElementHasAbstract, node);
|
|
}
|
|
if (node.accessibility) {
|
|
this.raise(TSErrors.PrivateElementHasAccessibility, node, {
|
|
modifier: node.accessibility
|
|
});
|
|
}
|
|
this.parseClassPropertyAnnotation(node);
|
|
return super.parseClassPrivateProperty(node);
|
|
}
|
|
parseClassAccessorProperty(node) {
|
|
this.parseClassPropertyAnnotation(node);
|
|
if (node.optional) {
|
|
this.raise(TSErrors.AccessorCannotBeOptional, node);
|
|
}
|
|
return super.parseClassAccessorProperty(node);
|
|
}
|
|
pushClassMethod(classBody, method, isGenerator, isAsync, isConstructor, allowsDirectSuper) {
|
|
const typeParameters = this.tsTryParseTypeParameters(this.tsParseConstModifier);
|
|
if (typeParameters && isConstructor) {
|
|
this.raise(TSErrors.ConstructorHasTypeParameters, typeParameters);
|
|
}
|
|
const {
|
|
declare = false,
|
|
kind
|
|
} = method;
|
|
if (declare && (kind === "get" || kind === "set")) {
|
|
this.raise(TSErrors.DeclareAccessor, method, {
|
|
kind
|
|
});
|
|
}
|
|
if (typeParameters) method.typeParameters = typeParameters;
|
|
super.pushClassMethod(classBody, method, isGenerator, isAsync, isConstructor, allowsDirectSuper);
|
|
}
|
|
pushClassPrivateMethod(classBody, method, isGenerator, isAsync) {
|
|
const typeParameters = this.tsTryParseTypeParameters(this.tsParseConstModifier);
|
|
if (typeParameters) method.typeParameters = typeParameters;
|
|
super.pushClassPrivateMethod(classBody, method, isGenerator, isAsync);
|
|
}
|
|
declareClassPrivateMethodInScope(node, kind) {
|
|
if (node.type === "TSDeclareMethod") return;
|
|
if (node.type === "MethodDefinition" && !node.value.body) return;
|
|
super.declareClassPrivateMethodInScope(node, kind);
|
|
}
|
|
parseClassSuper(node) {
|
|
super.parseClassSuper(node);
|
|
if (node.superClass && (this.match(47) || this.match(51))) {
|
|
node.superTypeParameters = this.tsParseTypeArgumentsInExpression();
|
|
}
|
|
if (this.eatContextual(113)) {
|
|
node.implements = this.tsParseHeritageClause("implements");
|
|
}
|
|
}
|
|
parseObjPropValue(prop, startLoc, isGenerator, isAsync, isPattern, isAccessor, refExpressionErrors) {
|
|
const typeParameters = this.tsTryParseTypeParameters(this.tsParseConstModifier);
|
|
if (typeParameters) prop.typeParameters = typeParameters;
|
|
return super.parseObjPropValue(prop, startLoc, isGenerator, isAsync, isPattern, isAccessor, refExpressionErrors);
|
|
}
|
|
parseFunctionParams(node, isConstructor) {
|
|
const typeParameters = this.tsTryParseTypeParameters(this.tsParseConstModifier);
|
|
if (typeParameters) node.typeParameters = typeParameters;
|
|
super.parseFunctionParams(node, isConstructor);
|
|
}
|
|
parseVarId(decl, kind) {
|
|
super.parseVarId(decl, kind);
|
|
if (decl.id.type === "Identifier" && !this.hasPrecedingLineBreak() && this.eat(35)) {
|
|
decl.definite = true;
|
|
}
|
|
const type = this.tsTryParseTypeAnnotation();
|
|
if (type) {
|
|
decl.id.typeAnnotation = type;
|
|
this.resetEndLocation(decl.id);
|
|
}
|
|
}
|
|
parseAsyncArrowFromCallExpression(node, call) {
|
|
if (this.match(14)) {
|
|
node.returnType = this.tsParseTypeAnnotation();
|
|
}
|
|
return super.parseAsyncArrowFromCallExpression(node, call);
|
|
}
|
|
parseMaybeAssign(refExpressionErrors, afterLeftParse) {
|
|
var _jsx, _jsx2, _typeCast, _jsx3, _typeCast2;
|
|
let state;
|
|
let jsx;
|
|
let typeCast;
|
|
if (this.hasPlugin("jsx") && (this.match(142) || this.match(47))) {
|
|
state = this.state.clone();
|
|
jsx = this.tryParse(() => super.parseMaybeAssign(refExpressionErrors, afterLeftParse), state);
|
|
if (!jsx.error) return jsx.node;
|
|
const {
|
|
context
|
|
} = this.state;
|
|
const currentContext = context[context.length - 1];
|
|
if (currentContext === types.j_oTag || currentContext === types.j_expr) {
|
|
context.pop();
|
|
}
|
|
}
|
|
if (!((_jsx = jsx) != null && _jsx.error) && !this.match(47)) {
|
|
return super.parseMaybeAssign(refExpressionErrors, afterLeftParse);
|
|
}
|
|
if (!state || state === this.state) state = this.state.clone();
|
|
let typeParameters;
|
|
const arrow = this.tryParse(abort => {
|
|
var _expr$extra, _typeParameters;
|
|
typeParameters = this.tsParseTypeParameters(this.tsParseConstModifier);
|
|
const expr = super.parseMaybeAssign(refExpressionErrors, afterLeftParse);
|
|
if (expr.type !== "ArrowFunctionExpression" || (_expr$extra = expr.extra) != null && _expr$extra.parenthesized) {
|
|
abort();
|
|
}
|
|
if (((_typeParameters = typeParameters) == null ? void 0 : _typeParameters.params.length) !== 0) {
|
|
this.resetStartLocationFromNode(expr, typeParameters);
|
|
}
|
|
expr.typeParameters = typeParameters;
|
|
return expr;
|
|
}, state);
|
|
if (!arrow.error && !arrow.aborted) {
|
|
if (typeParameters) this.reportReservedArrowTypeParam(typeParameters);
|
|
return arrow.node;
|
|
}
|
|
if (!jsx) {
|
|
assert(!this.hasPlugin("jsx"));
|
|
typeCast = this.tryParse(() => super.parseMaybeAssign(refExpressionErrors, afterLeftParse), state);
|
|
if (!typeCast.error) return typeCast.node;
|
|
}
|
|
if ((_jsx2 = jsx) != null && _jsx2.node) {
|
|
this.state = jsx.failState;
|
|
return jsx.node;
|
|
}
|
|
if (arrow.node) {
|
|
this.state = arrow.failState;
|
|
if (typeParameters) this.reportReservedArrowTypeParam(typeParameters);
|
|
return arrow.node;
|
|
}
|
|
if ((_typeCast = typeCast) != null && _typeCast.node) {
|
|
this.state = typeCast.failState;
|
|
return typeCast.node;
|
|
}
|
|
throw ((_jsx3 = jsx) == null ? void 0 : _jsx3.error) || arrow.error || ((_typeCast2 = typeCast) == null ? void 0 : _typeCast2.error);
|
|
}
|
|
reportReservedArrowTypeParam(node) {
|
|
var _node$extra;
|
|
if (node.params.length === 1 && !node.params[0].constraint && !((_node$extra = node.extra) != null && _node$extra.trailingComma) && this.getPluginOption("typescript", "disallowAmbiguousJSXLike")) {
|
|
this.raise(TSErrors.ReservedArrowTypeParam, node);
|
|
}
|
|
}
|
|
parseMaybeUnary(refExpressionErrors, sawUnary) {
|
|
if (!this.hasPlugin("jsx") && this.match(47)) {
|
|
return this.tsParseTypeAssertion();
|
|
}
|
|
return super.parseMaybeUnary(refExpressionErrors, sawUnary);
|
|
}
|
|
parseArrow(node) {
|
|
if (this.match(14)) {
|
|
const result = this.tryParse(abort => {
|
|
const returnType = this.tsParseTypeOrTypePredicateAnnotation(14);
|
|
if (this.canInsertSemicolon() || !this.match(19)) abort();
|
|
return returnType;
|
|
});
|
|
if (result.aborted) return;
|
|
if (!result.thrown) {
|
|
if (result.error) this.state = result.failState;
|
|
node.returnType = result.node;
|
|
}
|
|
}
|
|
return super.parseArrow(node);
|
|
}
|
|
parseAssignableListItemTypes(param, flags) {
|
|
if (!(flags & 2)) return param;
|
|
if (this.eat(17)) {
|
|
param.optional = true;
|
|
}
|
|
const type = this.tsTryParseTypeAnnotation();
|
|
if (type) param.typeAnnotation = type;
|
|
this.resetEndLocation(param);
|
|
return param;
|
|
}
|
|
isAssignable(node, isBinding) {
|
|
switch (node.type) {
|
|
case "TSTypeCastExpression":
|
|
return this.isAssignable(node.expression, isBinding);
|
|
case "TSParameterProperty":
|
|
return true;
|
|
default:
|
|
return super.isAssignable(node, isBinding);
|
|
}
|
|
}
|
|
toAssignable(node, isLHS = false) {
|
|
switch (node.type) {
|
|
case "ParenthesizedExpression":
|
|
this.toAssignableParenthesizedExpression(node, isLHS);
|
|
break;
|
|
case "TSAsExpression":
|
|
case "TSSatisfiesExpression":
|
|
case "TSNonNullExpression":
|
|
case "TSTypeAssertion":
|
|
if (isLHS) {
|
|
this.expressionScope.recordArrowParameterBindingError(TSErrors.UnexpectedTypeCastInParameter, node);
|
|
} else {
|
|
this.raise(TSErrors.UnexpectedTypeCastInParameter, node);
|
|
}
|
|
this.toAssignable(node.expression, isLHS);
|
|
break;
|
|
case "AssignmentExpression":
|
|
if (!isLHS && node.left.type === "TSTypeCastExpression") {
|
|
node.left = this.typeCastToParameter(node.left);
|
|
}
|
|
default:
|
|
super.toAssignable(node, isLHS);
|
|
}
|
|
}
|
|
toAssignableParenthesizedExpression(node, isLHS) {
|
|
switch (node.expression.type) {
|
|
case "TSAsExpression":
|
|
case "TSSatisfiesExpression":
|
|
case "TSNonNullExpression":
|
|
case "TSTypeAssertion":
|
|
case "ParenthesizedExpression":
|
|
this.toAssignable(node.expression, isLHS);
|
|
break;
|
|
default:
|
|
super.toAssignable(node, isLHS);
|
|
}
|
|
}
|
|
checkToRestConversion(node, allowPattern) {
|
|
switch (node.type) {
|
|
case "TSAsExpression":
|
|
case "TSSatisfiesExpression":
|
|
case "TSTypeAssertion":
|
|
case "TSNonNullExpression":
|
|
this.checkToRestConversion(node.expression, false);
|
|
break;
|
|
default:
|
|
super.checkToRestConversion(node, allowPattern);
|
|
}
|
|
}
|
|
isValidLVal(type, isUnparenthesizedInAssign, binding) {
|
|
return getOwn({
|
|
TSTypeCastExpression: true,
|
|
TSParameterProperty: "parameter",
|
|
TSNonNullExpression: "expression",
|
|
TSAsExpression: (binding !== 64 || !isUnparenthesizedInAssign) && ["expression", true],
|
|
TSSatisfiesExpression: (binding !== 64 || !isUnparenthesizedInAssign) && ["expression", true],
|
|
TSTypeAssertion: (binding !== 64 || !isUnparenthesizedInAssign) && ["expression", true]
|
|
}, type) || super.isValidLVal(type, isUnparenthesizedInAssign, binding);
|
|
}
|
|
parseBindingAtom() {
|
|
if (this.state.type === 78) {
|
|
return this.parseIdentifier(true);
|
|
}
|
|
return super.parseBindingAtom();
|
|
}
|
|
parseMaybeDecoratorArguments(expr) {
|
|
if (this.match(47) || this.match(51)) {
|
|
const typeArguments = this.tsParseTypeArgumentsInExpression();
|
|
if (this.match(10)) {
|
|
const call = super.parseMaybeDecoratorArguments(expr);
|
|
call.typeParameters = typeArguments;
|
|
return call;
|
|
}
|
|
this.unexpected(null, 10);
|
|
}
|
|
return super.parseMaybeDecoratorArguments(expr);
|
|
}
|
|
checkCommaAfterRest(close) {
|
|
if (this.state.isAmbientContext && this.match(12) && this.lookaheadCharCode() === close) {
|
|
this.next();
|
|
return false;
|
|
}
|
|
return super.checkCommaAfterRest(close);
|
|
}
|
|
isClassMethod() {
|
|
return this.match(47) || super.isClassMethod();
|
|
}
|
|
isClassProperty() {
|
|
return this.match(35) || this.match(14) || super.isClassProperty();
|
|
}
|
|
parseMaybeDefault(startLoc, left) {
|
|
const node = super.parseMaybeDefault(startLoc, left);
|
|
if (node.type === "AssignmentPattern" && node.typeAnnotation && node.right.start < node.typeAnnotation.start) {
|
|
this.raise(TSErrors.TypeAnnotationAfterAssign, node.typeAnnotation);
|
|
}
|
|
return node;
|
|
}
|
|
getTokenFromCode(code) {
|
|
if (this.state.inType) {
|
|
if (code === 62) {
|
|
this.finishOp(48, 1);
|
|
return;
|
|
}
|
|
if (code === 60) {
|
|
this.finishOp(47, 1);
|
|
return;
|
|
}
|
|
}
|
|
super.getTokenFromCode(code);
|
|
}
|
|
reScan_lt_gt() {
|
|
const {
|
|
type
|
|
} = this.state;
|
|
if (type === 47) {
|
|
this.state.pos -= 1;
|
|
this.readToken_lt();
|
|
} else if (type === 48) {
|
|
this.state.pos -= 1;
|
|
this.readToken_gt();
|
|
}
|
|
}
|
|
reScan_lt() {
|
|
const {
|
|
type
|
|
} = this.state;
|
|
if (type === 51) {
|
|
this.state.pos -= 2;
|
|
this.finishOp(47, 1);
|
|
return 47;
|
|
}
|
|
return type;
|
|
}
|
|
toAssignableList(exprList, trailingCommaLoc, isLHS) {
|
|
for (let i = 0; i < exprList.length; i++) {
|
|
const expr = exprList[i];
|
|
if ((expr == null ? void 0 : expr.type) === "TSTypeCastExpression") {
|
|
exprList[i] = this.typeCastToParameter(expr);
|
|
}
|
|
}
|
|
super.toAssignableList(exprList, trailingCommaLoc, isLHS);
|
|
}
|
|
typeCastToParameter(node) {
|
|
node.expression.typeAnnotation = node.typeAnnotation;
|
|
this.resetEndLocation(node.expression, node.typeAnnotation.loc.end);
|
|
return node.expression;
|
|
}
|
|
shouldParseArrow(params) {
|
|
if (this.match(14)) {
|
|
return params.every(expr => this.isAssignable(expr, true));
|
|
}
|
|
return super.shouldParseArrow(params);
|
|
}
|
|
shouldParseAsyncArrow() {
|
|
return this.match(14) || super.shouldParseAsyncArrow();
|
|
}
|
|
canHaveLeadingDecorator() {
|
|
return super.canHaveLeadingDecorator() || this.isAbstractClass();
|
|
}
|
|
jsxParseOpeningElementAfterName(node) {
|
|
if (this.match(47) || this.match(51)) {
|
|
const typeArguments = this.tsTryParseAndCatch(() => this.tsParseTypeArgumentsInExpression());
|
|
if (typeArguments) node.typeParameters = typeArguments;
|
|
}
|
|
return super.jsxParseOpeningElementAfterName(node);
|
|
}
|
|
getGetterSetterExpectedParamCount(method) {
|
|
const baseCount = super.getGetterSetterExpectedParamCount(method);
|
|
const params = this.getObjectOrClassMethodParams(method);
|
|
const firstParam = params[0];
|
|
const hasContextParam = firstParam && this.isThisParam(firstParam);
|
|
return hasContextParam ? baseCount + 1 : baseCount;
|
|
}
|
|
parseCatchClauseParam() {
|
|
const param = super.parseCatchClauseParam();
|
|
const type = this.tsTryParseTypeAnnotation();
|
|
if (type) {
|
|
param.typeAnnotation = type;
|
|
this.resetEndLocation(param);
|
|
}
|
|
return param;
|
|
}
|
|
tsInAmbientContext(cb) {
|
|
const oldIsAmbientContext = this.state.isAmbientContext;
|
|
this.state.isAmbientContext = true;
|
|
try {
|
|
return cb();
|
|
} finally {
|
|
this.state.isAmbientContext = oldIsAmbientContext;
|
|
}
|
|
}
|
|
parseClass(node, isStatement, optionalId) {
|
|
const oldInAbstractClass = this.state.inAbstractClass;
|
|
this.state.inAbstractClass = !!node.abstract;
|
|
try {
|
|
return super.parseClass(node, isStatement, optionalId);
|
|
} finally {
|
|
this.state.inAbstractClass = oldInAbstractClass;
|
|
}
|
|
}
|
|
tsParseAbstractDeclaration(node, decorators) {
|
|
if (this.match(80)) {
|
|
node.abstract = true;
|
|
return this.maybeTakeDecorators(decorators, this.parseClass(node, true, false));
|
|
} else if (this.isContextual(129)) {
|
|
if (!this.hasFollowingLineBreak()) {
|
|
node.abstract = true;
|
|
this.raise(TSErrors.NonClassMethodPropertyHasAbstractModifer, node);
|
|
return this.tsParseInterfaceDeclaration(node);
|
|
}
|
|
} else {
|
|
this.unexpected(null, 80);
|
|
}
|
|
}
|
|
parseMethod(node, isGenerator, isAsync, isConstructor, allowDirectSuper, type, inClassScope) {
|
|
const method = super.parseMethod(node, isGenerator, isAsync, isConstructor, allowDirectSuper, type, inClassScope);
|
|
if (method.abstract) {
|
|
const hasBody = this.hasPlugin("estree") ? !!method.value.body : !!method.body;
|
|
if (hasBody) {
|
|
const {
|
|
key
|
|
} = method;
|
|
this.raise(TSErrors.AbstractMethodHasImplementation, method, {
|
|
methodName: key.type === "Identifier" && !method.computed ? key.name : `[${this.input.slice(key.start, key.end)}]`
|
|
});
|
|
}
|
|
}
|
|
return method;
|
|
}
|
|
tsParseTypeParameterName() {
|
|
const typeName = this.parseIdentifier();
|
|
return typeName.name;
|
|
}
|
|
shouldParseAsAmbientContext() {
|
|
return !!this.getPluginOption("typescript", "dts");
|
|
}
|
|
parse() {
|
|
if (this.shouldParseAsAmbientContext()) {
|
|
this.state.isAmbientContext = true;
|
|
}
|
|
return super.parse();
|
|
}
|
|
getExpression() {
|
|
if (this.shouldParseAsAmbientContext()) {
|
|
this.state.isAmbientContext = true;
|
|
}
|
|
return super.getExpression();
|
|
}
|
|
parseExportSpecifier(node, isString, isInTypeExport, isMaybeTypeOnly) {
|
|
if (!isString && isMaybeTypeOnly) {
|
|
this.parseTypeOnlyImportExportSpecifier(node, false, isInTypeExport);
|
|
return this.finishNode(node, "ExportSpecifier");
|
|
}
|
|
node.exportKind = "value";
|
|
return super.parseExportSpecifier(node, isString, isInTypeExport, isMaybeTypeOnly);
|
|
}
|
|
parseImportSpecifier(specifier, importedIsString, isInTypeOnlyImport, isMaybeTypeOnly, bindingType) {
|
|
if (!importedIsString && isMaybeTypeOnly) {
|
|
this.parseTypeOnlyImportExportSpecifier(specifier, true, isInTypeOnlyImport);
|
|
return this.finishNode(specifier, "ImportSpecifier");
|
|
}
|
|
specifier.importKind = "value";
|
|
return super.parseImportSpecifier(specifier, importedIsString, isInTypeOnlyImport, isMaybeTypeOnly, isInTypeOnlyImport ? 4098 : 4096);
|
|
}
|
|
parseTypeOnlyImportExportSpecifier(node, isImport, isInTypeOnlyImportExport) {
|
|
const leftOfAsKey = isImport ? "imported" : "local";
|
|
const rightOfAsKey = isImport ? "local" : "exported";
|
|
let leftOfAs = node[leftOfAsKey];
|
|
let rightOfAs;
|
|
let hasTypeSpecifier = false;
|
|
let canParseAsKeyword = true;
|
|
const loc = leftOfAs.loc.start;
|
|
if (this.isContextual(93)) {
|
|
const firstAs = this.parseIdentifier();
|
|
if (this.isContextual(93)) {
|
|
const secondAs = this.parseIdentifier();
|
|
if (tokenIsKeywordOrIdentifier(this.state.type)) {
|
|
hasTypeSpecifier = true;
|
|
leftOfAs = firstAs;
|
|
rightOfAs = isImport ? this.parseIdentifier() : this.parseModuleExportName();
|
|
canParseAsKeyword = false;
|
|
} else {
|
|
rightOfAs = secondAs;
|
|
canParseAsKeyword = false;
|
|
}
|
|
} else if (tokenIsKeywordOrIdentifier(this.state.type)) {
|
|
canParseAsKeyword = false;
|
|
rightOfAs = isImport ? this.parseIdentifier() : this.parseModuleExportName();
|
|
} else {
|
|
hasTypeSpecifier = true;
|
|
leftOfAs = firstAs;
|
|
}
|
|
} else if (tokenIsKeywordOrIdentifier(this.state.type)) {
|
|
hasTypeSpecifier = true;
|
|
if (isImport) {
|
|
leftOfAs = this.parseIdentifier(true);
|
|
if (!this.isContextual(93)) {
|
|
this.checkReservedWord(leftOfAs.name, leftOfAs.loc.start, true, true);
|
|
}
|
|
} else {
|
|
leftOfAs = this.parseModuleExportName();
|
|
}
|
|
}
|
|
if (hasTypeSpecifier && isInTypeOnlyImportExport) {
|
|
this.raise(isImport ? TSErrors.TypeModifierIsUsedInTypeImports : TSErrors.TypeModifierIsUsedInTypeExports, loc);
|
|
}
|
|
node[leftOfAsKey] = leftOfAs;
|
|
node[rightOfAsKey] = rightOfAs;
|
|
const kindKey = isImport ? "importKind" : "exportKind";
|
|
node[kindKey] = hasTypeSpecifier ? "type" : "value";
|
|
if (canParseAsKeyword && this.eatContextual(93)) {
|
|
node[rightOfAsKey] = isImport ? this.parseIdentifier() : this.parseModuleExportName();
|
|
}
|
|
if (!node[rightOfAsKey]) {
|
|
node[rightOfAsKey] = cloneIdentifier(node[leftOfAsKey]);
|
|
}
|
|
if (isImport) {
|
|
this.checkIdentifier(node[rightOfAsKey], hasTypeSpecifier ? 4098 : 4096);
|
|
}
|
|
}
|
|
};
|
|
function isPossiblyLiteralEnum(expression) {
|
|
if (expression.type !== "MemberExpression") return false;
|
|
const {
|
|
computed,
|
|
property
|
|
} = expression;
|
|
if (computed && property.type !== "StringLiteral" && (property.type !== "TemplateLiteral" || property.expressions.length > 0)) {
|
|
return false;
|
|
}
|
|
return isUncomputedMemberExpressionChain(expression.object);
|
|
}
|
|
function isValidAmbientConstInitializer(expression, estree) {
|
|
var _expression$extra;
|
|
const {
|
|
type
|
|
} = expression;
|
|
if ((_expression$extra = expression.extra) != null && _expression$extra.parenthesized) {
|
|
return false;
|
|
}
|
|
if (estree) {
|
|
if (type === "Literal") {
|
|
const {
|
|
value
|
|
} = expression;
|
|
if (typeof value === "string" || typeof value === "boolean") {
|
|
return true;
|
|
}
|
|
}
|
|
} else {
|
|
if (type === "StringLiteral" || type === "BooleanLiteral") {
|
|
return true;
|
|
}
|
|
}
|
|
if (isNumber(expression, estree) || isNegativeNumber(expression, estree)) {
|
|
return true;
|
|
}
|
|
if (type === "TemplateLiteral" && expression.expressions.length === 0) {
|
|
return true;
|
|
}
|
|
if (isPossiblyLiteralEnum(expression)) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
function isNumber(expression, estree) {
|
|
if (estree) {
|
|
return expression.type === "Literal" && (typeof expression.value === "number" || "bigint" in expression);
|
|
}
|
|
return expression.type === "NumericLiteral" || expression.type === "BigIntLiteral";
|
|
}
|
|
function isNegativeNumber(expression, estree) {
|
|
if (expression.type === "UnaryExpression") {
|
|
const {
|
|
operator,
|
|
argument
|
|
} = expression;
|
|
if (operator === "-" && isNumber(argument, estree)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
function isUncomputedMemberExpressionChain(expression) {
|
|
if (expression.type === "Identifier") return true;
|
|
if (expression.type !== "MemberExpression" || expression.computed) {
|
|
return false;
|
|
}
|
|
return isUncomputedMemberExpressionChain(expression.object);
|
|
}
|
|
const PlaceholderErrors = ParseErrorEnum`placeholders`({
|
|
ClassNameIsRequired: "A class name is required.",
|
|
UnexpectedSpace: "Unexpected space in placeholder."
|
|
});
|
|
var placeholders = superClass => class PlaceholdersParserMixin extends superClass {
|
|
parsePlaceholder(expectedNode) {
|
|
if (this.match(144)) {
|
|
const node = this.startNode();
|
|
this.next();
|
|
this.assertNoSpace();
|
|
node.name = super.parseIdentifier(true);
|
|
this.assertNoSpace();
|
|
this.expect(144);
|
|
return this.finishPlaceholder(node, expectedNode);
|
|
}
|
|
}
|
|
finishPlaceholder(node, expectedNode) {
|
|
const isFinished = !!(node.expectedNode && node.type === "Placeholder");
|
|
node.expectedNode = expectedNode;
|
|
return isFinished ? node : this.finishNode(node, "Placeholder");
|
|
}
|
|
getTokenFromCode(code) {
|
|
if (code === 37 && this.input.charCodeAt(this.state.pos + 1) === 37) {
|
|
this.finishOp(144, 2);
|
|
} else {
|
|
super.getTokenFromCode(code);
|
|
}
|
|
}
|
|
parseExprAtom(refExpressionErrors) {
|
|
return this.parsePlaceholder("Expression") || super.parseExprAtom(refExpressionErrors);
|
|
}
|
|
parseIdentifier(liberal) {
|
|
return this.parsePlaceholder("Identifier") || super.parseIdentifier(liberal);
|
|
}
|
|
checkReservedWord(word, startLoc, checkKeywords, isBinding) {
|
|
if (word !== undefined) {
|
|
super.checkReservedWord(word, startLoc, checkKeywords, isBinding);
|
|
}
|
|
}
|
|
parseBindingAtom() {
|
|
return this.parsePlaceholder("Pattern") || super.parseBindingAtom();
|
|
}
|
|
isValidLVal(type, isParenthesized, binding) {
|
|
return type === "Placeholder" || super.isValidLVal(type, isParenthesized, binding);
|
|
}
|
|
toAssignable(node, isLHS) {
|
|
if (node && node.type === "Placeholder" && node.expectedNode === "Expression") {
|
|
node.expectedNode = "Pattern";
|
|
} else {
|
|
super.toAssignable(node, isLHS);
|
|
}
|
|
}
|
|
chStartsBindingIdentifier(ch, pos) {
|
|
if (super.chStartsBindingIdentifier(ch, pos)) {
|
|
return true;
|
|
}
|
|
const nextToken = this.lookahead();
|
|
if (nextToken.type === 144) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
verifyBreakContinue(node, isBreak) {
|
|
if (node.label && node.label.type === "Placeholder") return;
|
|
super.verifyBreakContinue(node, isBreak);
|
|
}
|
|
parseExpressionStatement(node, expr) {
|
|
var _expr$extra;
|
|
if (expr.type !== "Placeholder" || (_expr$extra = expr.extra) != null && _expr$extra.parenthesized) {
|
|
return super.parseExpressionStatement(node, expr);
|
|
}
|
|
if (this.match(14)) {
|
|
const stmt = node;
|
|
stmt.label = this.finishPlaceholder(expr, "Identifier");
|
|
this.next();
|
|
stmt.body = super.parseStatementOrSloppyAnnexBFunctionDeclaration();
|
|
return this.finishNode(stmt, "LabeledStatement");
|
|
}
|
|
this.semicolon();
|
|
node.name = expr.name;
|
|
return this.finishPlaceholder(node, "Statement");
|
|
}
|
|
parseBlock(allowDirectives, createNewLexicalScope, afterBlockParse) {
|
|
return this.parsePlaceholder("BlockStatement") || super.parseBlock(allowDirectives, createNewLexicalScope, afterBlockParse);
|
|
}
|
|
parseFunctionId(requireId) {
|
|
return this.parsePlaceholder("Identifier") || super.parseFunctionId(requireId);
|
|
}
|
|
parseClass(node, isStatement, optionalId) {
|
|
const type = isStatement ? "ClassDeclaration" : "ClassExpression";
|
|
this.next();
|
|
const oldStrict = this.state.strict;
|
|
const placeholder = this.parsePlaceholder("Identifier");
|
|
if (placeholder) {
|
|
if (this.match(81) || this.match(144) || this.match(5)) {
|
|
node.id = placeholder;
|
|
} else if (optionalId || !isStatement) {
|
|
node.id = null;
|
|
node.body = this.finishPlaceholder(placeholder, "ClassBody");
|
|
return this.finishNode(node, type);
|
|
} else {
|
|
throw this.raise(PlaceholderErrors.ClassNameIsRequired, this.state.startLoc);
|
|
}
|
|
} else {
|
|
this.parseClassId(node, isStatement, optionalId);
|
|
}
|
|
super.parseClassSuper(node);
|
|
node.body = this.parsePlaceholder("ClassBody") || super.parseClassBody(!!node.superClass, oldStrict);
|
|
return this.finishNode(node, type);
|
|
}
|
|
parseExport(node, decorators) {
|
|
const placeholder = this.parsePlaceholder("Identifier");
|
|
if (!placeholder) return super.parseExport(node, decorators);
|
|
if (!this.isContextual(98) && !this.match(12)) {
|
|
node.specifiers = [];
|
|
node.source = null;
|
|
node.declaration = this.finishPlaceholder(placeholder, "Declaration");
|
|
return this.finishNode(node, "ExportNamedDeclaration");
|
|
}
|
|
this.expectPlugin("exportDefaultFrom");
|
|
const specifier = this.startNode();
|
|
specifier.exported = placeholder;
|
|
node.specifiers = [this.finishNode(specifier, "ExportDefaultSpecifier")];
|
|
return super.parseExport(node, decorators);
|
|
}
|
|
isExportDefaultSpecifier() {
|
|
if (this.match(65)) {
|
|
const next = this.nextTokenStart();
|
|
if (this.isUnparsedContextual(next, "from")) {
|
|
if (this.input.startsWith(tokenLabelName(144), this.nextTokenStartSince(next + 4))) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return super.isExportDefaultSpecifier();
|
|
}
|
|
maybeParseExportDefaultSpecifier(node, maybeDefaultIdentifier) {
|
|
var _specifiers;
|
|
if ((_specifiers = node.specifiers) != null && _specifiers.length) {
|
|
return true;
|
|
}
|
|
return super.maybeParseExportDefaultSpecifier(node, maybeDefaultIdentifier);
|
|
}
|
|
checkExport(node) {
|
|
const {
|
|
specifiers
|
|
} = node;
|
|
if (specifiers != null && specifiers.length) {
|
|
node.specifiers = specifiers.filter(node => node.exported.type === "Placeholder");
|
|
}
|
|
super.checkExport(node);
|
|
node.specifiers = specifiers;
|
|
}
|
|
parseImport(node) {
|
|
const placeholder = this.parsePlaceholder("Identifier");
|
|
if (!placeholder) return super.parseImport(node);
|
|
node.specifiers = [];
|
|
if (!this.isContextual(98) && !this.match(12)) {
|
|
node.source = this.finishPlaceholder(placeholder, "StringLiteral");
|
|
this.semicolon();
|
|
return this.finishNode(node, "ImportDeclaration");
|
|
}
|
|
const specifier = this.startNodeAtNode(placeholder);
|
|
specifier.local = placeholder;
|
|
node.specifiers.push(this.finishNode(specifier, "ImportDefaultSpecifier"));
|
|
if (this.eat(12)) {
|
|
const hasStarImport = this.maybeParseStarImportSpecifier(node);
|
|
if (!hasStarImport) this.parseNamedImportSpecifiers(node);
|
|
}
|
|
this.expectContextual(98);
|
|
node.source = this.parseImportSource();
|
|
this.semicolon();
|
|
return this.finishNode(node, "ImportDeclaration");
|
|
}
|
|
parseImportSource() {
|
|
return this.parsePlaceholder("StringLiteral") || super.parseImportSource();
|
|
}
|
|
assertNoSpace() {
|
|
if (this.state.start > this.state.lastTokEndLoc.index) {
|
|
this.raise(PlaceholderErrors.UnexpectedSpace, this.state.lastTokEndLoc);
|
|
}
|
|
}
|
|
};
|
|
var v8intrinsic = superClass => class V8IntrinsicMixin extends superClass {
|
|
parseV8Intrinsic() {
|
|
if (this.match(54)) {
|
|
const v8IntrinsicStartLoc = this.state.startLoc;
|
|
const node = this.startNode();
|
|
this.next();
|
|
if (tokenIsIdentifier(this.state.type)) {
|
|
const name = this.parseIdentifierName();
|
|
const identifier = this.createIdentifier(node, name);
|
|
identifier.type = "V8IntrinsicIdentifier";
|
|
if (this.match(10)) {
|
|
return identifier;
|
|
}
|
|
}
|
|
this.unexpected(v8IntrinsicStartLoc);
|
|
}
|
|
}
|
|
parseExprAtom(refExpressionErrors) {
|
|
return this.parseV8Intrinsic() || super.parseExprAtom(refExpressionErrors);
|
|
}
|
|
};
|
|
function hasPlugin(plugins, expectedConfig) {
|
|
const [expectedName, expectedOptions] = typeof expectedConfig === "string" ? [expectedConfig, {}] : expectedConfig;
|
|
const expectedKeys = Object.keys(expectedOptions);
|
|
const expectedOptionsIsEmpty = expectedKeys.length === 0;
|
|
return plugins.some(p => {
|
|
if (typeof p === "string") {
|
|
return expectedOptionsIsEmpty && p === expectedName;
|
|
} else {
|
|
const [pluginName, pluginOptions] = p;
|
|
if (pluginName !== expectedName) {
|
|
return false;
|
|
}
|
|
for (const key of expectedKeys) {
|
|
if (pluginOptions[key] !== expectedOptions[key]) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
});
|
|
}
|
|
function getPluginOption(plugins, name, option) {
|
|
const plugin = plugins.find(plugin => {
|
|
if (Array.isArray(plugin)) {
|
|
return plugin[0] === name;
|
|
} else {
|
|
return plugin === name;
|
|
}
|
|
});
|
|
if (plugin && Array.isArray(plugin) && plugin.length > 1) {
|
|
return plugin[1][option];
|
|
}
|
|
return null;
|
|
}
|
|
const PIPELINE_PROPOSALS = ["minimal", "fsharp", "hack", "smart"];
|
|
const TOPIC_TOKENS = ["^^", "@@", "^", "%", "#"];
|
|
const RECORD_AND_TUPLE_SYNTAX_TYPES = ["hash", "bar"];
|
|
function validatePlugins(plugins) {
|
|
if (hasPlugin(plugins, "decorators")) {
|
|
if (hasPlugin(plugins, "decorators-legacy")) {
|
|
throw new Error("Cannot use the decorators and decorators-legacy plugin together");
|
|
}
|
|
const decoratorsBeforeExport = getPluginOption(plugins, "decorators", "decoratorsBeforeExport");
|
|
if (decoratorsBeforeExport != null && typeof decoratorsBeforeExport !== "boolean") {
|
|
throw new Error("'decoratorsBeforeExport' must be a boolean, if specified.");
|
|
}
|
|
const allowCallParenthesized = getPluginOption(plugins, "decorators", "allowCallParenthesized");
|
|
if (allowCallParenthesized != null && typeof allowCallParenthesized !== "boolean") {
|
|
throw new Error("'allowCallParenthesized' must be a boolean.");
|
|
}
|
|
}
|
|
if (hasPlugin(plugins, "flow") && hasPlugin(plugins, "typescript")) {
|
|
throw new Error("Cannot combine flow and typescript plugins.");
|
|
}
|
|
if (hasPlugin(plugins, "placeholders") && hasPlugin(plugins, "v8intrinsic")) {
|
|
throw new Error("Cannot combine placeholders and v8intrinsic plugins.");
|
|
}
|
|
if (hasPlugin(plugins, "pipelineOperator")) {
|
|
const proposal = getPluginOption(plugins, "pipelineOperator", "proposal");
|
|
if (!PIPELINE_PROPOSALS.includes(proposal)) {
|
|
const proposalList = PIPELINE_PROPOSALS.map(p => `"${p}"`).join(", ");
|
|
throw new Error(`"pipelineOperator" requires "proposal" option whose value must be one of: ${proposalList}.`);
|
|
}
|
|
const tupleSyntaxIsHash = hasPlugin(plugins, ["recordAndTuple", {
|
|
syntaxType: "hash"
|
|
}]);
|
|
if (proposal === "hack") {
|
|
if (hasPlugin(plugins, "placeholders")) {
|
|
throw new Error("Cannot combine placeholders plugin and Hack-style pipes.");
|
|
}
|
|
if (hasPlugin(plugins, "v8intrinsic")) {
|
|
throw new Error("Cannot combine v8intrinsic plugin and Hack-style pipes.");
|
|
}
|
|
const topicToken = getPluginOption(plugins, "pipelineOperator", "topicToken");
|
|
if (!TOPIC_TOKENS.includes(topicToken)) {
|
|
const tokenList = TOPIC_TOKENS.map(t => `"${t}"`).join(", ");
|
|
throw new Error(`"pipelineOperator" in "proposal": "hack" mode also requires a "topicToken" option whose value must be one of: ${tokenList}.`);
|
|
}
|
|
if (topicToken === "#" && tupleSyntaxIsHash) {
|
|
throw new Error('Plugin conflict between `["pipelineOperator", { proposal: "hack", topicToken: "#" }]` and `["recordAndtuple", { syntaxType: "hash"}]`.');
|
|
}
|
|
} else if (proposal === "smart" && tupleSyntaxIsHash) {
|
|
throw new Error('Plugin conflict between `["pipelineOperator", { proposal: "smart" }]` and `["recordAndtuple", { syntaxType: "hash"}]`.');
|
|
}
|
|
}
|
|
if (hasPlugin(plugins, "moduleAttributes")) {
|
|
{
|
|
if (hasPlugin(plugins, "importAssertions") || hasPlugin(plugins, "importAttributes")) {
|
|
throw new Error("Cannot combine importAssertions, importAttributes and moduleAttributes plugins.");
|
|
}
|
|
const moduleAttributesVersionPluginOption = getPluginOption(plugins, "moduleAttributes", "version");
|
|
if (moduleAttributesVersionPluginOption !== "may-2020") {
|
|
throw new Error("The 'moduleAttributes' plugin requires a 'version' option," + " representing the last proposal update. Currently, the" + " only supported value is 'may-2020'.");
|
|
}
|
|
}
|
|
}
|
|
if (hasPlugin(plugins, "importAssertions") && hasPlugin(plugins, "importAttributes")) {
|
|
throw new Error("Cannot combine importAssertions and importAttributes plugins.");
|
|
}
|
|
if (hasPlugin(plugins, "recordAndTuple") && getPluginOption(plugins, "recordAndTuple", "syntaxType") != null && !RECORD_AND_TUPLE_SYNTAX_TYPES.includes(getPluginOption(plugins, "recordAndTuple", "syntaxType"))) {
|
|
throw new Error("The 'syntaxType' option of the 'recordAndTuple' plugin must be one of: " + RECORD_AND_TUPLE_SYNTAX_TYPES.map(p => `'${p}'`).join(", "));
|
|
}
|
|
if (hasPlugin(plugins, "asyncDoExpressions") && !hasPlugin(plugins, "doExpressions")) {
|
|
const error = new Error("'asyncDoExpressions' requires 'doExpressions', please add 'doExpressions' to parser plugins.");
|
|
error.missingPlugins = "doExpressions";
|
|
throw error;
|
|
}
|
|
if (hasPlugin(plugins, "optionalChainingAssign") && getPluginOption(plugins, "optionalChainingAssign", "version") !== "2023-07") {
|
|
throw new Error("The 'optionalChainingAssign' plugin requires a 'version' option," + " representing the last proposal update. Currently, the" + " only supported value is '2023-07'.");
|
|
}
|
|
}
|
|
const mixinPlugins = {
|
|
estree,
|
|
jsx,
|
|
flow,
|
|
typescript,
|
|
v8intrinsic,
|
|
placeholders
|
|
};
|
|
const mixinPluginNames = Object.keys(mixinPlugins);
|
|
const defaultOptions = {
|
|
sourceType: "script",
|
|
sourceFilename: undefined,
|
|
startColumn: 0,
|
|
startLine: 1,
|
|
allowAwaitOutsideFunction: false,
|
|
allowReturnOutsideFunction: false,
|
|
allowNewTargetOutsideFunction: false,
|
|
allowImportExportEverywhere: false,
|
|
allowSuperOutsideMethod: false,
|
|
allowUndeclaredExports: false,
|
|
plugins: [],
|
|
strictMode: null,
|
|
ranges: false,
|
|
tokens: false,
|
|
createImportExpressions: false,
|
|
createParenthesizedExpressions: false,
|
|
errorRecovery: false,
|
|
attachComment: true,
|
|
annexB: true
|
|
};
|
|
function getOptions(opts) {
|
|
if (opts == null) {
|
|
return Object.assign({}, defaultOptions);
|
|
}
|
|
if (opts.annexB != null && opts.annexB !== false) {
|
|
throw new Error("The `annexB` option can only be set to `false`.");
|
|
}
|
|
const options = {};
|
|
for (const key of Object.keys(defaultOptions)) {
|
|
var _opts$key;
|
|
options[key] = (_opts$key = opts[key]) != null ? _opts$key : defaultOptions[key];
|
|
}
|
|
return options;
|
|
}
|
|
class ExpressionParser extends LValParser {
|
|
checkProto(prop, isRecord, protoRef, refExpressionErrors) {
|
|
if (prop.type === "SpreadElement" || this.isObjectMethod(prop) || prop.computed || prop.shorthand) {
|
|
return;
|
|
}
|
|
const key = prop.key;
|
|
const name = key.type === "Identifier" ? key.name : key.value;
|
|
if (name === "__proto__") {
|
|
if (isRecord) {
|
|
this.raise(Errors.RecordNoProto, key);
|
|
return;
|
|
}
|
|
if (protoRef.used) {
|
|
if (refExpressionErrors) {
|
|
if (refExpressionErrors.doubleProtoLoc === null) {
|
|
refExpressionErrors.doubleProtoLoc = key.loc.start;
|
|
}
|
|
} else {
|
|
this.raise(Errors.DuplicateProto, key);
|
|
}
|
|
}
|
|
protoRef.used = true;
|
|
}
|
|
}
|
|
shouldExitDescending(expr, potentialArrowAt) {
|
|
return expr.type === "ArrowFunctionExpression" && expr.start === potentialArrowAt;
|
|
}
|
|
getExpression() {
|
|
this.enterInitialScopes();
|
|
this.nextToken();
|
|
const expr = this.parseExpression();
|
|
if (!this.match(139)) {
|
|
this.unexpected();
|
|
}
|
|
this.finalizeRemainingComments();
|
|
expr.comments = this.comments;
|
|
expr.errors = this.state.errors;
|
|
if (this.options.tokens) {
|
|
expr.tokens = this.tokens;
|
|
}
|
|
return expr;
|
|
}
|
|
parseExpression(disallowIn, refExpressionErrors) {
|
|
if (disallowIn) {
|
|
return this.disallowInAnd(() => this.parseExpressionBase(refExpressionErrors));
|
|
}
|
|
return this.allowInAnd(() => this.parseExpressionBase(refExpressionErrors));
|
|
}
|
|
parseExpressionBase(refExpressionErrors) {
|
|
const startLoc = this.state.startLoc;
|
|
const expr = this.parseMaybeAssign(refExpressionErrors);
|
|
if (this.match(12)) {
|
|
const node = this.startNodeAt(startLoc);
|
|
node.expressions = [expr];
|
|
while (this.eat(12)) {
|
|
node.expressions.push(this.parseMaybeAssign(refExpressionErrors));
|
|
}
|
|
this.toReferencedList(node.expressions);
|
|
return this.finishNode(node, "SequenceExpression");
|
|
}
|
|
return expr;
|
|
}
|
|
parseMaybeAssignDisallowIn(refExpressionErrors, afterLeftParse) {
|
|
return this.disallowInAnd(() => this.parseMaybeAssign(refExpressionErrors, afterLeftParse));
|
|
}
|
|
parseMaybeAssignAllowIn(refExpressionErrors, afterLeftParse) {
|
|
return this.allowInAnd(() => this.parseMaybeAssign(refExpressionErrors, afterLeftParse));
|
|
}
|
|
setOptionalParametersError(refExpressionErrors, resultError) {
|
|
var _resultError$loc;
|
|
refExpressionErrors.optionalParametersLoc = (_resultError$loc = resultError == null ? void 0 : resultError.loc) != null ? _resultError$loc : this.state.startLoc;
|
|
}
|
|
parseMaybeAssign(refExpressionErrors, afterLeftParse) {
|
|
const startLoc = this.state.startLoc;
|
|
if (this.isContextual(108)) {
|
|
if (this.prodParam.hasYield) {
|
|
let left = this.parseYield();
|
|
if (afterLeftParse) {
|
|
left = afterLeftParse.call(this, left, startLoc);
|
|
}
|
|
return left;
|
|
}
|
|
}
|
|
let ownExpressionErrors;
|
|
if (refExpressionErrors) {
|
|
ownExpressionErrors = false;
|
|
} else {
|
|
refExpressionErrors = new ExpressionErrors();
|
|
ownExpressionErrors = true;
|
|
}
|
|
const {
|
|
type
|
|
} = this.state;
|
|
if (type === 10 || tokenIsIdentifier(type)) {
|
|
this.state.potentialArrowAt = this.state.start;
|
|
}
|
|
let left = this.parseMaybeConditional(refExpressionErrors);
|
|
if (afterLeftParse) {
|
|
left = afterLeftParse.call(this, left, startLoc);
|
|
}
|
|
if (tokenIsAssignment(this.state.type)) {
|
|
const node = this.startNodeAt(startLoc);
|
|
const operator = this.state.value;
|
|
node.operator = operator;
|
|
if (this.match(29)) {
|
|
this.toAssignable(left, true);
|
|
node.left = left;
|
|
const startIndex = startLoc.index;
|
|
if (refExpressionErrors.doubleProtoLoc != null && refExpressionErrors.doubleProtoLoc.index >= startIndex) {
|
|
refExpressionErrors.doubleProtoLoc = null;
|
|
}
|
|
if (refExpressionErrors.shorthandAssignLoc != null && refExpressionErrors.shorthandAssignLoc.index >= startIndex) {
|
|
refExpressionErrors.shorthandAssignLoc = null;
|
|
}
|
|
if (refExpressionErrors.privateKeyLoc != null && refExpressionErrors.privateKeyLoc.index >= startIndex) {
|
|
this.checkDestructuringPrivate(refExpressionErrors);
|
|
refExpressionErrors.privateKeyLoc = null;
|
|
}
|
|
} else {
|
|
node.left = left;
|
|
}
|
|
this.next();
|
|
node.right = this.parseMaybeAssign();
|
|
this.checkLVal(left, {
|
|
in: this.finishNode(node, "AssignmentExpression")
|
|
});
|
|
return node;
|
|
} else if (ownExpressionErrors) {
|
|
this.checkExpressionErrors(refExpressionErrors, true);
|
|
}
|
|
return left;
|
|
}
|
|
parseMaybeConditional(refExpressionErrors) {
|
|
const startLoc = this.state.startLoc;
|
|
const potentialArrowAt = this.state.potentialArrowAt;
|
|
const expr = this.parseExprOps(refExpressionErrors);
|
|
if (this.shouldExitDescending(expr, potentialArrowAt)) {
|
|
return expr;
|
|
}
|
|
return this.parseConditional(expr, startLoc, refExpressionErrors);
|
|
}
|
|
parseConditional(expr, startLoc, refExpressionErrors) {
|
|
if (this.eat(17)) {
|
|
const node = this.startNodeAt(startLoc);
|
|
node.test = expr;
|
|
node.consequent = this.parseMaybeAssignAllowIn();
|
|
this.expect(14);
|
|
node.alternate = this.parseMaybeAssign();
|
|
return this.finishNode(node, "ConditionalExpression");
|
|
}
|
|
return expr;
|
|
}
|
|
parseMaybeUnaryOrPrivate(refExpressionErrors) {
|
|
return this.match(138) ? this.parsePrivateName() : this.parseMaybeUnary(refExpressionErrors);
|
|
}
|
|
parseExprOps(refExpressionErrors) {
|
|
const startLoc = this.state.startLoc;
|
|
const potentialArrowAt = this.state.potentialArrowAt;
|
|
const expr = this.parseMaybeUnaryOrPrivate(refExpressionErrors);
|
|
if (this.shouldExitDescending(expr, potentialArrowAt)) {
|
|
return expr;
|
|
}
|
|
return this.parseExprOp(expr, startLoc, -1);
|
|
}
|
|
parseExprOp(left, leftStartLoc, minPrec) {
|
|
if (this.isPrivateName(left)) {
|
|
const value = this.getPrivateNameSV(left);
|
|
if (minPrec >= tokenOperatorPrecedence(58) || !this.prodParam.hasIn || !this.match(58)) {
|
|
this.raise(Errors.PrivateInExpectedIn, left, {
|
|
identifierName: value
|
|
});
|
|
}
|
|
this.classScope.usePrivateName(value, left.loc.start);
|
|
}
|
|
const op = this.state.type;
|
|
if (tokenIsOperator(op) && (this.prodParam.hasIn || !this.match(58))) {
|
|
let prec = tokenOperatorPrecedence(op);
|
|
if (prec > minPrec) {
|
|
if (op === 39) {
|
|
this.expectPlugin("pipelineOperator");
|
|
if (this.state.inFSharpPipelineDirectBody) {
|
|
return left;
|
|
}
|
|
this.checkPipelineAtInfixOperator(left, leftStartLoc);
|
|
}
|
|
const node = this.startNodeAt(leftStartLoc);
|
|
node.left = left;
|
|
node.operator = this.state.value;
|
|
const logical = op === 41 || op === 42;
|
|
const coalesce = op === 40;
|
|
if (coalesce) {
|
|
prec = tokenOperatorPrecedence(42);
|
|
}
|
|
this.next();
|
|
if (op === 39 && this.hasPlugin(["pipelineOperator", {
|
|
proposal: "minimal"
|
|
}])) {
|
|
if (this.state.type === 96 && this.prodParam.hasAwait) {
|
|
throw this.raise(Errors.UnexpectedAwaitAfterPipelineBody, this.state.startLoc);
|
|
}
|
|
}
|
|
node.right = this.parseExprOpRightExpr(op, prec);
|
|
const finishedNode = this.finishNode(node, logical || coalesce ? "LogicalExpression" : "BinaryExpression");
|
|
const nextOp = this.state.type;
|
|
if (coalesce && (nextOp === 41 || nextOp === 42) || logical && nextOp === 40) {
|
|
throw this.raise(Errors.MixingCoalesceWithLogical, this.state.startLoc);
|
|
}
|
|
return this.parseExprOp(finishedNode, leftStartLoc, minPrec);
|
|
}
|
|
}
|
|
return left;
|
|
}
|
|
parseExprOpRightExpr(op, prec) {
|
|
const startLoc = this.state.startLoc;
|
|
switch (op) {
|
|
case 39:
|
|
switch (this.getPluginOption("pipelineOperator", "proposal")) {
|
|
case "hack":
|
|
return this.withTopicBindingContext(() => {
|
|
return this.parseHackPipeBody();
|
|
});
|
|
case "smart":
|
|
return this.withTopicBindingContext(() => {
|
|
if (this.prodParam.hasYield && this.isContextual(108)) {
|
|
throw this.raise(Errors.PipeBodyIsTighter, this.state.startLoc);
|
|
}
|
|
return this.parseSmartPipelineBodyInStyle(this.parseExprOpBaseRightExpr(op, prec), startLoc);
|
|
});
|
|
case "fsharp":
|
|
return this.withSoloAwaitPermittingContext(() => {
|
|
return this.parseFSharpPipelineBody(prec);
|
|
});
|
|
}
|
|
default:
|
|
return this.parseExprOpBaseRightExpr(op, prec);
|
|
}
|
|
}
|
|
parseExprOpBaseRightExpr(op, prec) {
|
|
const startLoc = this.state.startLoc;
|
|
return this.parseExprOp(this.parseMaybeUnaryOrPrivate(), startLoc, tokenIsRightAssociative(op) ? prec - 1 : prec);
|
|
}
|
|
parseHackPipeBody() {
|
|
var _body$extra;
|
|
const {
|
|
startLoc
|
|
} = this.state;
|
|
const body = this.parseMaybeAssign();
|
|
const requiredParentheses = UnparenthesizedPipeBodyDescriptions.has(body.type);
|
|
if (requiredParentheses && !((_body$extra = body.extra) != null && _body$extra.parenthesized)) {
|
|
this.raise(Errors.PipeUnparenthesizedBody, startLoc, {
|
|
type: body.type
|
|
});
|
|
}
|
|
if (!this.topicReferenceWasUsedInCurrentContext()) {
|
|
this.raise(Errors.PipeTopicUnused, startLoc);
|
|
}
|
|
return body;
|
|
}
|
|
checkExponentialAfterUnary(node) {
|
|
if (this.match(57)) {
|
|
this.raise(Errors.UnexpectedTokenUnaryExponentiation, node.argument);
|
|
}
|
|
}
|
|
parseMaybeUnary(refExpressionErrors, sawUnary) {
|
|
const startLoc = this.state.startLoc;
|
|
const isAwait = this.isContextual(96);
|
|
if (isAwait && this.isAwaitAllowed()) {
|
|
this.next();
|
|
const expr = this.parseAwait(startLoc);
|
|
if (!sawUnary) this.checkExponentialAfterUnary(expr);
|
|
return expr;
|
|
}
|
|
const update = this.match(34);
|
|
const node = this.startNode();
|
|
if (tokenIsPrefix(this.state.type)) {
|
|
node.operator = this.state.value;
|
|
node.prefix = true;
|
|
if (this.match(72)) {
|
|
this.expectPlugin("throwExpressions");
|
|
}
|
|
const isDelete = this.match(89);
|
|
this.next();
|
|
node.argument = this.parseMaybeUnary(null, true);
|
|
this.checkExpressionErrors(refExpressionErrors, true);
|
|
if (this.state.strict && isDelete) {
|
|
const arg = node.argument;
|
|
if (arg.type === "Identifier") {
|
|
this.raise(Errors.StrictDelete, node);
|
|
} else if (this.hasPropertyAsPrivateName(arg)) {
|
|
this.raise(Errors.DeletePrivateField, node);
|
|
}
|
|
}
|
|
if (!update) {
|
|
if (!sawUnary) {
|
|
this.checkExponentialAfterUnary(node);
|
|
}
|
|
return this.finishNode(node, "UnaryExpression");
|
|
}
|
|
}
|
|
const expr = this.parseUpdate(node, update, refExpressionErrors);
|
|
if (isAwait) {
|
|
const {
|
|
type
|
|
} = this.state;
|
|
const startsExpr = this.hasPlugin("v8intrinsic") ? tokenCanStartExpression(type) : tokenCanStartExpression(type) && !this.match(54);
|
|
if (startsExpr && !this.isAmbiguousAwait()) {
|
|
this.raiseOverwrite(Errors.AwaitNotInAsyncContext, startLoc);
|
|
return this.parseAwait(startLoc);
|
|
}
|
|
}
|
|
return expr;
|
|
}
|
|
parseUpdate(node, update, refExpressionErrors) {
|
|
if (update) {
|
|
const updateExpressionNode = node;
|
|
this.checkLVal(updateExpressionNode.argument, {
|
|
in: this.finishNode(updateExpressionNode, "UpdateExpression")
|
|
});
|
|
return node;
|
|
}
|
|
const startLoc = this.state.startLoc;
|
|
let expr = this.parseExprSubscripts(refExpressionErrors);
|
|
if (this.checkExpressionErrors(refExpressionErrors, false)) return expr;
|
|
while (tokenIsPostfix(this.state.type) && !this.canInsertSemicolon()) {
|
|
const node = this.startNodeAt(startLoc);
|
|
node.operator = this.state.value;
|
|
node.prefix = false;
|
|
node.argument = expr;
|
|
this.next();
|
|
this.checkLVal(expr, {
|
|
in: expr = this.finishNode(node, "UpdateExpression")
|
|
});
|
|
}
|
|
return expr;
|
|
}
|
|
parseExprSubscripts(refExpressionErrors) {
|
|
const startLoc = this.state.startLoc;
|
|
const potentialArrowAt = this.state.potentialArrowAt;
|
|
const expr = this.parseExprAtom(refExpressionErrors);
|
|
if (this.shouldExitDescending(expr, potentialArrowAt)) {
|
|
return expr;
|
|
}
|
|
return this.parseSubscripts(expr, startLoc);
|
|
}
|
|
parseSubscripts(base, startLoc, noCalls) {
|
|
const state = {
|
|
optionalChainMember: false,
|
|
maybeAsyncArrow: this.atPossibleAsyncArrow(base),
|
|
stop: false
|
|
};
|
|
do {
|
|
base = this.parseSubscript(base, startLoc, noCalls, state);
|
|
state.maybeAsyncArrow = false;
|
|
} while (!state.stop);
|
|
return base;
|
|
}
|
|
parseSubscript(base, startLoc, noCalls, state) {
|
|
const {
|
|
type
|
|
} = this.state;
|
|
if (!noCalls && type === 15) {
|
|
return this.parseBind(base, startLoc, noCalls, state);
|
|
} else if (tokenIsTemplate(type)) {
|
|
return this.parseTaggedTemplateExpression(base, startLoc, state);
|
|
}
|
|
let optional = false;
|
|
if (type === 18) {
|
|
if (noCalls) {
|
|
this.raise(Errors.OptionalChainingNoNew, this.state.startLoc);
|
|
if (this.lookaheadCharCode() === 40) {
|
|
state.stop = true;
|
|
return base;
|
|
}
|
|
}
|
|
state.optionalChainMember = optional = true;
|
|
this.next();
|
|
}
|
|
if (!noCalls && this.match(10)) {
|
|
return this.parseCoverCallAndAsyncArrowHead(base, startLoc, state, optional);
|
|
} else {
|
|
const computed = this.eat(0);
|
|
if (computed || optional || this.eat(16)) {
|
|
return this.parseMember(base, startLoc, state, computed, optional);
|
|
} else {
|
|
state.stop = true;
|
|
return base;
|
|
}
|
|
}
|
|
}
|
|
parseMember(base, startLoc, state, computed, optional) {
|
|
const node = this.startNodeAt(startLoc);
|
|
node.object = base;
|
|
node.computed = computed;
|
|
if (computed) {
|
|
node.property = this.parseExpression();
|
|
this.expect(3);
|
|
} else if (this.match(138)) {
|
|
if (base.type === "Super") {
|
|
this.raise(Errors.SuperPrivateField, startLoc);
|
|
}
|
|
this.classScope.usePrivateName(this.state.value, this.state.startLoc);
|
|
node.property = this.parsePrivateName();
|
|
} else {
|
|
node.property = this.parseIdentifier(true);
|
|
}
|
|
if (state.optionalChainMember) {
|
|
node.optional = optional;
|
|
return this.finishNode(node, "OptionalMemberExpression");
|
|
} else {
|
|
return this.finishNode(node, "MemberExpression");
|
|
}
|
|
}
|
|
parseBind(base, startLoc, noCalls, state) {
|
|
const node = this.startNodeAt(startLoc);
|
|
node.object = base;
|
|
this.next();
|
|
node.callee = this.parseNoCallExpr();
|
|
state.stop = true;
|
|
return this.parseSubscripts(this.finishNode(node, "BindExpression"), startLoc, noCalls);
|
|
}
|
|
parseCoverCallAndAsyncArrowHead(base, startLoc, state, optional) {
|
|
const oldMaybeInArrowParameters = this.state.maybeInArrowParameters;
|
|
let refExpressionErrors = null;
|
|
this.state.maybeInArrowParameters = true;
|
|
this.next();
|
|
const node = this.startNodeAt(startLoc);
|
|
node.callee = base;
|
|
const {
|
|
maybeAsyncArrow,
|
|
optionalChainMember
|
|
} = state;
|
|
if (maybeAsyncArrow) {
|
|
this.expressionScope.enter(newAsyncArrowScope());
|
|
refExpressionErrors = new ExpressionErrors();
|
|
}
|
|
if (optionalChainMember) {
|
|
node.optional = optional;
|
|
}
|
|
if (optional) {
|
|
node.arguments = this.parseCallExpressionArguments(11);
|
|
} else {
|
|
node.arguments = this.parseCallExpressionArguments(11, base.type === "Import", base.type !== "Super", node, refExpressionErrors);
|
|
}
|
|
let finishedNode = this.finishCallExpression(node, optionalChainMember);
|
|
if (maybeAsyncArrow && this.shouldParseAsyncArrow() && !optional) {
|
|
state.stop = true;
|
|
this.checkDestructuringPrivate(refExpressionErrors);
|
|
this.expressionScope.validateAsPattern();
|
|
this.expressionScope.exit();
|
|
finishedNode = this.parseAsyncArrowFromCallExpression(this.startNodeAt(startLoc), finishedNode);
|
|
} else {
|
|
if (maybeAsyncArrow) {
|
|
this.checkExpressionErrors(refExpressionErrors, true);
|
|
this.expressionScope.exit();
|
|
}
|
|
this.toReferencedArguments(finishedNode);
|
|
}
|
|
this.state.maybeInArrowParameters = oldMaybeInArrowParameters;
|
|
return finishedNode;
|
|
}
|
|
toReferencedArguments(node, isParenthesizedExpr) {
|
|
this.toReferencedListDeep(node.arguments, isParenthesizedExpr);
|
|
}
|
|
parseTaggedTemplateExpression(base, startLoc, state) {
|
|
const node = this.startNodeAt(startLoc);
|
|
node.tag = base;
|
|
node.quasi = this.parseTemplate(true);
|
|
if (state.optionalChainMember) {
|
|
this.raise(Errors.OptionalChainingNoTemplate, startLoc);
|
|
}
|
|
return this.finishNode(node, "TaggedTemplateExpression");
|
|
}
|
|
atPossibleAsyncArrow(base) {
|
|
return base.type === "Identifier" && base.name === "async" && this.state.lastTokEndLoc.index === base.end && !this.canInsertSemicolon() && base.end - base.start === 5 && base.start === this.state.potentialArrowAt;
|
|
}
|
|
expectImportAttributesPlugin() {
|
|
if (!this.hasPlugin("importAssertions")) {
|
|
this.expectPlugin("importAttributes");
|
|
}
|
|
}
|
|
finishCallExpression(node, optional) {
|
|
if (node.callee.type === "Import") {
|
|
if (node.arguments.length === 2) {
|
|
{
|
|
if (!this.hasPlugin("moduleAttributes")) {
|
|
this.expectImportAttributesPlugin();
|
|
}
|
|
}
|
|
}
|
|
if (node.arguments.length === 0 || node.arguments.length > 2) {
|
|
this.raise(Errors.ImportCallArity, node, {
|
|
maxArgumentCount: this.hasPlugin("importAttributes") || this.hasPlugin("importAssertions") || this.hasPlugin("moduleAttributes") ? 2 : 1
|
|
});
|
|
} else {
|
|
for (const arg of node.arguments) {
|
|
if (arg.type === "SpreadElement") {
|
|
this.raise(Errors.ImportCallSpreadArgument, arg);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return this.finishNode(node, optional ? "OptionalCallExpression" : "CallExpression");
|
|
}
|
|
parseCallExpressionArguments(close, dynamicImport, allowPlaceholder, nodeForExtra, refExpressionErrors) {
|
|
const elts = [];
|
|
let first = true;
|
|
const oldInFSharpPipelineDirectBody = this.state.inFSharpPipelineDirectBody;
|
|
this.state.inFSharpPipelineDirectBody = false;
|
|
while (!this.eat(close)) {
|
|
if (first) {
|
|
first = false;
|
|
} else {
|
|
this.expect(12);
|
|
if (this.match(close)) {
|
|
if (dynamicImport && !this.hasPlugin("importAttributes") && !this.hasPlugin("importAssertions") && !this.hasPlugin("moduleAttributes")) {
|
|
this.raise(Errors.ImportCallArgumentTrailingComma, this.state.lastTokStartLoc);
|
|
}
|
|
if (nodeForExtra) {
|
|
this.addTrailingCommaExtraToNode(nodeForExtra);
|
|
}
|
|
this.next();
|
|
break;
|
|
}
|
|
}
|
|
elts.push(this.parseExprListItem(false, refExpressionErrors, allowPlaceholder));
|
|
}
|
|
this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody;
|
|
return elts;
|
|
}
|
|
shouldParseAsyncArrow() {
|
|
return this.match(19) && !this.canInsertSemicolon();
|
|
}
|
|
parseAsyncArrowFromCallExpression(node, call) {
|
|
var _call$extra;
|
|
this.resetPreviousNodeTrailingComments(call);
|
|
this.expect(19);
|
|
this.parseArrowExpression(node, call.arguments, true, (_call$extra = call.extra) == null ? void 0 : _call$extra.trailingCommaLoc);
|
|
if (call.innerComments) {
|
|
setInnerComments(node, call.innerComments);
|
|
}
|
|
if (call.callee.trailingComments) {
|
|
setInnerComments(node, call.callee.trailingComments);
|
|
}
|
|
return node;
|
|
}
|
|
parseNoCallExpr() {
|
|
const startLoc = this.state.startLoc;
|
|
return this.parseSubscripts(this.parseExprAtom(), startLoc, true);
|
|
}
|
|
parseExprAtom(refExpressionErrors) {
|
|
let node;
|
|
let decorators = null;
|
|
const {
|
|
type
|
|
} = this.state;
|
|
switch (type) {
|
|
case 79:
|
|
return this.parseSuper();
|
|
case 83:
|
|
node = this.startNode();
|
|
this.next();
|
|
if (this.match(16)) {
|
|
return this.parseImportMetaProperty(node);
|
|
}
|
|
if (this.match(10)) {
|
|
if (this.options.createImportExpressions) {
|
|
return this.parseImportCall(node);
|
|
} else {
|
|
return this.finishNode(node, "Import");
|
|
}
|
|
} else {
|
|
this.raise(Errors.UnsupportedImport, this.state.lastTokStartLoc);
|
|
return this.finishNode(node, "Import");
|
|
}
|
|
case 78:
|
|
node = this.startNode();
|
|
this.next();
|
|
return this.finishNode(node, "ThisExpression");
|
|
case 90:
|
|
{
|
|
return this.parseDo(this.startNode(), false);
|
|
}
|
|
case 56:
|
|
case 31:
|
|
{
|
|
this.readRegexp();
|
|
return this.parseRegExpLiteral(this.state.value);
|
|
}
|
|
case 134:
|
|
return this.parseNumericLiteral(this.state.value);
|
|
case 135:
|
|
return this.parseBigIntLiteral(this.state.value);
|
|
case 136:
|
|
return this.parseDecimalLiteral(this.state.value);
|
|
case 133:
|
|
return this.parseStringLiteral(this.state.value);
|
|
case 84:
|
|
return this.parseNullLiteral();
|
|
case 85:
|
|
return this.parseBooleanLiteral(true);
|
|
case 86:
|
|
return this.parseBooleanLiteral(false);
|
|
case 10:
|
|
{
|
|
const canBeArrow = this.state.potentialArrowAt === this.state.start;
|
|
return this.parseParenAndDistinguishExpression(canBeArrow);
|
|
}
|
|
case 2:
|
|
case 1:
|
|
{
|
|
return this.parseArrayLike(this.state.type === 2 ? 4 : 3, false, true);
|
|
}
|
|
case 0:
|
|
{
|
|
return this.parseArrayLike(3, true, false, refExpressionErrors);
|
|
}
|
|
case 6:
|
|
case 7:
|
|
{
|
|
return this.parseObjectLike(this.state.type === 6 ? 9 : 8, false, true);
|
|
}
|
|
case 5:
|
|
{
|
|
return this.parseObjectLike(8, false, false, refExpressionErrors);
|
|
}
|
|
case 68:
|
|
return this.parseFunctionOrFunctionSent();
|
|
case 26:
|
|
decorators = this.parseDecorators();
|
|
case 80:
|
|
return this.parseClass(this.maybeTakeDecorators(decorators, this.startNode()), false);
|
|
case 77:
|
|
return this.parseNewOrNewTarget();
|
|
case 25:
|
|
case 24:
|
|
return this.parseTemplate(false);
|
|
case 15:
|
|
{
|
|
node = this.startNode();
|
|
this.next();
|
|
node.object = null;
|
|
const callee = node.callee = this.parseNoCallExpr();
|
|
if (callee.type === "MemberExpression") {
|
|
return this.finishNode(node, "BindExpression");
|
|
} else {
|
|
throw this.raise(Errors.UnsupportedBind, callee);
|
|
}
|
|
}
|
|
case 138:
|
|
{
|
|
this.raise(Errors.PrivateInExpectedIn, this.state.startLoc, {
|
|
identifierName: this.state.value
|
|
});
|
|
return this.parsePrivateName();
|
|
}
|
|
case 33:
|
|
{
|
|
return this.parseTopicReferenceThenEqualsSign(54, "%");
|
|
}
|
|
case 32:
|
|
{
|
|
return this.parseTopicReferenceThenEqualsSign(44, "^");
|
|
}
|
|
case 37:
|
|
case 38:
|
|
{
|
|
return this.parseTopicReference("hack");
|
|
}
|
|
case 44:
|
|
case 54:
|
|
case 27:
|
|
{
|
|
const pipeProposal = this.getPluginOption("pipelineOperator", "proposal");
|
|
if (pipeProposal) {
|
|
return this.parseTopicReference(pipeProposal);
|
|
}
|
|
this.unexpected();
|
|
break;
|
|
}
|
|
case 47:
|
|
{
|
|
const lookaheadCh = this.input.codePointAt(this.nextTokenStart());
|
|
if (isIdentifierStart(lookaheadCh) || lookaheadCh === 62) {
|
|
this.expectOnePlugin(["jsx", "flow", "typescript"]);
|
|
} else {
|
|
this.unexpected();
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
if (tokenIsIdentifier(type)) {
|
|
if (this.isContextual(127) && this.lookaheadInLineCharCode() === 123) {
|
|
return this.parseModuleExpression();
|
|
}
|
|
const canBeArrow = this.state.potentialArrowAt === this.state.start;
|
|
const containsEsc = this.state.containsEsc;
|
|
const id = this.parseIdentifier();
|
|
if (!containsEsc && id.name === "async" && !this.canInsertSemicolon()) {
|
|
const {
|
|
type
|
|
} = this.state;
|
|
if (type === 68) {
|
|
this.resetPreviousNodeTrailingComments(id);
|
|
this.next();
|
|
return this.parseAsyncFunctionExpression(this.startNodeAtNode(id));
|
|
} else if (tokenIsIdentifier(type)) {
|
|
if (this.lookaheadCharCode() === 61) {
|
|
return this.parseAsyncArrowUnaryFunction(this.startNodeAtNode(id));
|
|
} else {
|
|
return id;
|
|
}
|
|
} else if (type === 90) {
|
|
this.resetPreviousNodeTrailingComments(id);
|
|
return this.parseDo(this.startNodeAtNode(id), true);
|
|
}
|
|
}
|
|
if (canBeArrow && this.match(19) && !this.canInsertSemicolon()) {
|
|
this.next();
|
|
return this.parseArrowExpression(this.startNodeAtNode(id), [id], false);
|
|
}
|
|
return id;
|
|
} else {
|
|
this.unexpected();
|
|
}
|
|
}
|
|
}
|
|
parseTopicReferenceThenEqualsSign(topicTokenType, topicTokenValue) {
|
|
const pipeProposal = this.getPluginOption("pipelineOperator", "proposal");
|
|
if (pipeProposal) {
|
|
this.state.type = topicTokenType;
|
|
this.state.value = topicTokenValue;
|
|
this.state.pos--;
|
|
this.state.end--;
|
|
this.state.endLoc = createPositionWithColumnOffset(this.state.endLoc, -1);
|
|
return this.parseTopicReference(pipeProposal);
|
|
} else {
|
|
this.unexpected();
|
|
}
|
|
}
|
|
parseTopicReference(pipeProposal) {
|
|
const node = this.startNode();
|
|
const startLoc = this.state.startLoc;
|
|
const tokenType = this.state.type;
|
|
this.next();
|
|
return this.finishTopicReference(node, startLoc, pipeProposal, tokenType);
|
|
}
|
|
finishTopicReference(node, startLoc, pipeProposal, tokenType) {
|
|
if (this.testTopicReferenceConfiguration(pipeProposal, startLoc, tokenType)) {
|
|
const nodeType = pipeProposal === "smart" ? "PipelinePrimaryTopicReference" : "TopicReference";
|
|
if (!this.topicReferenceIsAllowedInCurrentContext()) {
|
|
this.raise(pipeProposal === "smart" ? Errors.PrimaryTopicNotAllowed : Errors.PipeTopicUnbound, startLoc);
|
|
}
|
|
this.registerTopicReference();
|
|
return this.finishNode(node, nodeType);
|
|
} else {
|
|
throw this.raise(Errors.PipeTopicUnconfiguredToken, startLoc, {
|
|
token: tokenLabelName(tokenType)
|
|
});
|
|
}
|
|
}
|
|
testTopicReferenceConfiguration(pipeProposal, startLoc, tokenType) {
|
|
switch (pipeProposal) {
|
|
case "hack":
|
|
{
|
|
return this.hasPlugin(["pipelineOperator", {
|
|
topicToken: tokenLabelName(tokenType)
|
|
}]);
|
|
}
|
|
case "smart":
|
|
return tokenType === 27;
|
|
default:
|
|
throw this.raise(Errors.PipeTopicRequiresHackPipes, startLoc);
|
|
}
|
|
}
|
|
parseAsyncArrowUnaryFunction(node) {
|
|
this.prodParam.enter(functionFlags(true, this.prodParam.hasYield));
|
|
const params = [this.parseIdentifier()];
|
|
this.prodParam.exit();
|
|
if (this.hasPrecedingLineBreak()) {
|
|
this.raise(Errors.LineTerminatorBeforeArrow, this.state.curPosition());
|
|
}
|
|
this.expect(19);
|
|
return this.parseArrowExpression(node, params, true);
|
|
}
|
|
parseDo(node, isAsync) {
|
|
this.expectPlugin("doExpressions");
|
|
if (isAsync) {
|
|
this.expectPlugin("asyncDoExpressions");
|
|
}
|
|
node.async = isAsync;
|
|
this.next();
|
|
const oldLabels = this.state.labels;
|
|
this.state.labels = [];
|
|
if (isAsync) {
|
|
this.prodParam.enter(2);
|
|
node.body = this.parseBlock();
|
|
this.prodParam.exit();
|
|
} else {
|
|
node.body = this.parseBlock();
|
|
}
|
|
this.state.labels = oldLabels;
|
|
return this.finishNode(node, "DoExpression");
|
|
}
|
|
parseSuper() {
|
|
const node = this.startNode();
|
|
this.next();
|
|
if (this.match(10) && !this.scope.allowDirectSuper && !this.options.allowSuperOutsideMethod) {
|
|
this.raise(Errors.SuperNotAllowed, node);
|
|
} else if (!this.scope.allowSuper && !this.options.allowSuperOutsideMethod) {
|
|
this.raise(Errors.UnexpectedSuper, node);
|
|
}
|
|
if (!this.match(10) && !this.match(0) && !this.match(16)) {
|
|
this.raise(Errors.UnsupportedSuper, node);
|
|
}
|
|
return this.finishNode(node, "Super");
|
|
}
|
|
parsePrivateName() {
|
|
const node = this.startNode();
|
|
const id = this.startNodeAt(createPositionWithColumnOffset(this.state.startLoc, 1));
|
|
const name = this.state.value;
|
|
this.next();
|
|
node.id = this.createIdentifier(id, name);
|
|
return this.finishNode(node, "PrivateName");
|
|
}
|
|
parseFunctionOrFunctionSent() {
|
|
const node = this.startNode();
|
|
this.next();
|
|
if (this.prodParam.hasYield && this.match(16)) {
|
|
const meta = this.createIdentifier(this.startNodeAtNode(node), "function");
|
|
this.next();
|
|
if (this.match(103)) {
|
|
this.expectPlugin("functionSent");
|
|
} else if (!this.hasPlugin("functionSent")) {
|
|
this.unexpected();
|
|
}
|
|
return this.parseMetaProperty(node, meta, "sent");
|
|
}
|
|
return this.parseFunction(node);
|
|
}
|
|
parseMetaProperty(node, meta, propertyName) {
|
|
node.meta = meta;
|
|
const containsEsc = this.state.containsEsc;
|
|
node.property = this.parseIdentifier(true);
|
|
if (node.property.name !== propertyName || containsEsc) {
|
|
this.raise(Errors.UnsupportedMetaProperty, node.property, {
|
|
target: meta.name,
|
|
onlyValidPropertyName: propertyName
|
|
});
|
|
}
|
|
return this.finishNode(node, "MetaProperty");
|
|
}
|
|
parseImportMetaProperty(node) {
|
|
const id = this.createIdentifier(this.startNodeAtNode(node), "import");
|
|
this.next();
|
|
if (this.isContextual(101)) {
|
|
if (!this.inModule) {
|
|
this.raise(Errors.ImportMetaOutsideModule, id);
|
|
}
|
|
this.sawUnambiguousESM = true;
|
|
} else if (this.isContextual(105) || this.isContextual(97)) {
|
|
const isSource = this.isContextual(105);
|
|
if (!isSource) this.unexpected();
|
|
this.expectPlugin(isSource ? "sourcePhaseImports" : "deferredImportEvaluation");
|
|
if (!this.options.createImportExpressions) {
|
|
throw this.raise(Errors.DynamicImportPhaseRequiresImportExpressions, this.state.startLoc, {
|
|
phase: this.state.value
|
|
});
|
|
}
|
|
this.next();
|
|
node.phase = isSource ? "source" : "defer";
|
|
return this.parseImportCall(node);
|
|
}
|
|
return this.parseMetaProperty(node, id, "meta");
|
|
}
|
|
parseLiteralAtNode(value, type, node) {
|
|
this.addExtra(node, "rawValue", value);
|
|
this.addExtra(node, "raw", this.input.slice(node.start, this.state.end));
|
|
node.value = value;
|
|
this.next();
|
|
return this.finishNode(node, type);
|
|
}
|
|
parseLiteral(value, type) {
|
|
const node = this.startNode();
|
|
return this.parseLiteralAtNode(value, type, node);
|
|
}
|
|
parseStringLiteral(value) {
|
|
return this.parseLiteral(value, "StringLiteral");
|
|
}
|
|
parseNumericLiteral(value) {
|
|
return this.parseLiteral(value, "NumericLiteral");
|
|
}
|
|
parseBigIntLiteral(value) {
|
|
return this.parseLiteral(value, "BigIntLiteral");
|
|
}
|
|
parseDecimalLiteral(value) {
|
|
return this.parseLiteral(value, "DecimalLiteral");
|
|
}
|
|
parseRegExpLiteral(value) {
|
|
const node = this.parseLiteral(value.value, "RegExpLiteral");
|
|
node.pattern = value.pattern;
|
|
node.flags = value.flags;
|
|
return node;
|
|
}
|
|
parseBooleanLiteral(value) {
|
|
const node = this.startNode();
|
|
node.value = value;
|
|
this.next();
|
|
return this.finishNode(node, "BooleanLiteral");
|
|
}
|
|
parseNullLiteral() {
|
|
const node = this.startNode();
|
|
this.next();
|
|
return this.finishNode(node, "NullLiteral");
|
|
}
|
|
parseParenAndDistinguishExpression(canBeArrow) {
|
|
const startLoc = this.state.startLoc;
|
|
let val;
|
|
this.next();
|
|
this.expressionScope.enter(newArrowHeadScope());
|
|
const oldMaybeInArrowParameters = this.state.maybeInArrowParameters;
|
|
const oldInFSharpPipelineDirectBody = this.state.inFSharpPipelineDirectBody;
|
|
this.state.maybeInArrowParameters = true;
|
|
this.state.inFSharpPipelineDirectBody = false;
|
|
const innerStartLoc = this.state.startLoc;
|
|
const exprList = [];
|
|
const refExpressionErrors = new ExpressionErrors();
|
|
let first = true;
|
|
let spreadStartLoc;
|
|
let optionalCommaStartLoc;
|
|
while (!this.match(11)) {
|
|
if (first) {
|
|
first = false;
|
|
} else {
|
|
this.expect(12, refExpressionErrors.optionalParametersLoc === null ? null : refExpressionErrors.optionalParametersLoc);
|
|
if (this.match(11)) {
|
|
optionalCommaStartLoc = this.state.startLoc;
|
|
break;
|
|
}
|
|
}
|
|
if (this.match(21)) {
|
|
const spreadNodeStartLoc = this.state.startLoc;
|
|
spreadStartLoc = this.state.startLoc;
|
|
exprList.push(this.parseParenItem(this.parseRestBinding(), spreadNodeStartLoc));
|
|
if (!this.checkCommaAfterRest(41)) {
|
|
break;
|
|
}
|
|
} else {
|
|
exprList.push(this.parseMaybeAssignAllowIn(refExpressionErrors, this.parseParenItem));
|
|
}
|
|
}
|
|
const innerEndLoc = this.state.lastTokEndLoc;
|
|
this.expect(11);
|
|
this.state.maybeInArrowParameters = oldMaybeInArrowParameters;
|
|
this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody;
|
|
let arrowNode = this.startNodeAt(startLoc);
|
|
if (canBeArrow && this.shouldParseArrow(exprList) && (arrowNode = this.parseArrow(arrowNode))) {
|
|
this.checkDestructuringPrivate(refExpressionErrors);
|
|
this.expressionScope.validateAsPattern();
|
|
this.expressionScope.exit();
|
|
this.parseArrowExpression(arrowNode, exprList, false);
|
|
return arrowNode;
|
|
}
|
|
this.expressionScope.exit();
|
|
if (!exprList.length) {
|
|
this.unexpected(this.state.lastTokStartLoc);
|
|
}
|
|
if (optionalCommaStartLoc) this.unexpected(optionalCommaStartLoc);
|
|
if (spreadStartLoc) this.unexpected(spreadStartLoc);
|
|
this.checkExpressionErrors(refExpressionErrors, true);
|
|
this.toReferencedListDeep(exprList, true);
|
|
if (exprList.length > 1) {
|
|
val = this.startNodeAt(innerStartLoc);
|
|
val.expressions = exprList;
|
|
this.finishNode(val, "SequenceExpression");
|
|
this.resetEndLocation(val, innerEndLoc);
|
|
} else {
|
|
val = exprList[0];
|
|
}
|
|
return this.wrapParenthesis(startLoc, val);
|
|
}
|
|
wrapParenthesis(startLoc, expression) {
|
|
if (!this.options.createParenthesizedExpressions) {
|
|
this.addExtra(expression, "parenthesized", true);
|
|
this.addExtra(expression, "parenStart", startLoc.index);
|
|
this.takeSurroundingComments(expression, startLoc.index, this.state.lastTokEndLoc.index);
|
|
return expression;
|
|
}
|
|
const parenExpression = this.startNodeAt(startLoc);
|
|
parenExpression.expression = expression;
|
|
return this.finishNode(parenExpression, "ParenthesizedExpression");
|
|
}
|
|
shouldParseArrow(params) {
|
|
return !this.canInsertSemicolon();
|
|
}
|
|
parseArrow(node) {
|
|
if (this.eat(19)) {
|
|
return node;
|
|
}
|
|
}
|
|
parseParenItem(node, startLoc) {
|
|
return node;
|
|
}
|
|
parseNewOrNewTarget() {
|
|
const node = this.startNode();
|
|
this.next();
|
|
if (this.match(16)) {
|
|
const meta = this.createIdentifier(this.startNodeAtNode(node), "new");
|
|
this.next();
|
|
const metaProp = this.parseMetaProperty(node, meta, "target");
|
|
if (!this.scope.inNonArrowFunction && !this.scope.inClass && !this.options.allowNewTargetOutsideFunction) {
|
|
this.raise(Errors.UnexpectedNewTarget, metaProp);
|
|
}
|
|
return metaProp;
|
|
}
|
|
return this.parseNew(node);
|
|
}
|
|
parseNew(node) {
|
|
this.parseNewCallee(node);
|
|
if (this.eat(10)) {
|
|
const args = this.parseExprList(11);
|
|
this.toReferencedList(args);
|
|
node.arguments = args;
|
|
} else {
|
|
node.arguments = [];
|
|
}
|
|
return this.finishNode(node, "NewExpression");
|
|
}
|
|
parseNewCallee(node) {
|
|
const isImport = this.match(83);
|
|
const callee = this.parseNoCallExpr();
|
|
node.callee = callee;
|
|
if (isImport && (callee.type === "Import" || callee.type === "ImportExpression")) {
|
|
this.raise(Errors.ImportCallNotNewExpression, callee);
|
|
}
|
|
}
|
|
parseTemplateElement(isTagged) {
|
|
const {
|
|
start,
|
|
startLoc,
|
|
end,
|
|
value
|
|
} = this.state;
|
|
const elemStart = start + 1;
|
|
const elem = this.startNodeAt(createPositionWithColumnOffset(startLoc, 1));
|
|
if (value === null) {
|
|
if (!isTagged) {
|
|
this.raise(Errors.InvalidEscapeSequenceTemplate, createPositionWithColumnOffset(this.state.firstInvalidTemplateEscapePos, 1));
|
|
}
|
|
}
|
|
const isTail = this.match(24);
|
|
const endOffset = isTail ? -1 : -2;
|
|
const elemEnd = end + endOffset;
|
|
elem.value = {
|
|
raw: this.input.slice(elemStart, elemEnd).replace(/\r\n?/g, "\n"),
|
|
cooked: value === null ? null : value.slice(1, endOffset)
|
|
};
|
|
elem.tail = isTail;
|
|
this.next();
|
|
const finishedNode = this.finishNode(elem, "TemplateElement");
|
|
this.resetEndLocation(finishedNode, createPositionWithColumnOffset(this.state.lastTokEndLoc, endOffset));
|
|
return finishedNode;
|
|
}
|
|
parseTemplate(isTagged) {
|
|
const node = this.startNode();
|
|
node.expressions = [];
|
|
let curElt = this.parseTemplateElement(isTagged);
|
|
node.quasis = [curElt];
|
|
while (!curElt.tail) {
|
|
node.expressions.push(this.parseTemplateSubstitution());
|
|
this.readTemplateContinuation();
|
|
node.quasis.push(curElt = this.parseTemplateElement(isTagged));
|
|
}
|
|
return this.finishNode(node, "TemplateLiteral");
|
|
}
|
|
parseTemplateSubstitution() {
|
|
return this.parseExpression();
|
|
}
|
|
parseObjectLike(close, isPattern, isRecord, refExpressionErrors) {
|
|
if (isRecord) {
|
|
this.expectPlugin("recordAndTuple");
|
|
}
|
|
const oldInFSharpPipelineDirectBody = this.state.inFSharpPipelineDirectBody;
|
|
this.state.inFSharpPipelineDirectBody = false;
|
|
const propHash = Object.create(null);
|
|
let first = true;
|
|
const node = this.startNode();
|
|
node.properties = [];
|
|
this.next();
|
|
while (!this.match(close)) {
|
|
if (first) {
|
|
first = false;
|
|
} else {
|
|
this.expect(12);
|
|
if (this.match(close)) {
|
|
this.addTrailingCommaExtraToNode(node);
|
|
break;
|
|
}
|
|
}
|
|
let prop;
|
|
if (isPattern) {
|
|
prop = this.parseBindingProperty();
|
|
} else {
|
|
prop = this.parsePropertyDefinition(refExpressionErrors);
|
|
this.checkProto(prop, isRecord, propHash, refExpressionErrors);
|
|
}
|
|
if (isRecord && !this.isObjectProperty(prop) && prop.type !== "SpreadElement") {
|
|
this.raise(Errors.InvalidRecordProperty, prop);
|
|
}
|
|
if (prop.shorthand) {
|
|
this.addExtra(prop, "shorthand", true);
|
|
}
|
|
node.properties.push(prop);
|
|
}
|
|
this.next();
|
|
this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody;
|
|
let type = "ObjectExpression";
|
|
if (isPattern) {
|
|
type = "ObjectPattern";
|
|
} else if (isRecord) {
|
|
type = "RecordExpression";
|
|
}
|
|
return this.finishNode(node, type);
|
|
}
|
|
addTrailingCommaExtraToNode(node) {
|
|
this.addExtra(node, "trailingComma", this.state.lastTokStartLoc.index);
|
|
this.addExtra(node, "trailingCommaLoc", this.state.lastTokStartLoc, false);
|
|
}
|
|
maybeAsyncOrAccessorProp(prop) {
|
|
return !prop.computed && prop.key.type === "Identifier" && (this.isLiteralPropertyName() || this.match(0) || this.match(55));
|
|
}
|
|
parsePropertyDefinition(refExpressionErrors) {
|
|
let decorators = [];
|
|
if (this.match(26)) {
|
|
if (this.hasPlugin("decorators")) {
|
|
this.raise(Errors.UnsupportedPropertyDecorator, this.state.startLoc);
|
|
}
|
|
while (this.match(26)) {
|
|
decorators.push(this.parseDecorator());
|
|
}
|
|
}
|
|
const prop = this.startNode();
|
|
let isAsync = false;
|
|
let isAccessor = false;
|
|
let startLoc;
|
|
if (this.match(21)) {
|
|
if (decorators.length) this.unexpected();
|
|
return this.parseSpread();
|
|
}
|
|
if (decorators.length) {
|
|
prop.decorators = decorators;
|
|
decorators = [];
|
|
}
|
|
prop.method = false;
|
|
if (refExpressionErrors) {
|
|
startLoc = this.state.startLoc;
|
|
}
|
|
let isGenerator = this.eat(55);
|
|
this.parsePropertyNamePrefixOperator(prop);
|
|
const containsEsc = this.state.containsEsc;
|
|
const key = this.parsePropertyName(prop, refExpressionErrors);
|
|
if (!isGenerator && !containsEsc && this.maybeAsyncOrAccessorProp(prop)) {
|
|
const keyName = key.name;
|
|
if (keyName === "async" && !this.hasPrecedingLineBreak()) {
|
|
isAsync = true;
|
|
this.resetPreviousNodeTrailingComments(key);
|
|
isGenerator = this.eat(55);
|
|
this.parsePropertyName(prop);
|
|
}
|
|
if (keyName === "get" || keyName === "set") {
|
|
isAccessor = true;
|
|
this.resetPreviousNodeTrailingComments(key);
|
|
prop.kind = keyName;
|
|
if (this.match(55)) {
|
|
isGenerator = true;
|
|
this.raise(Errors.AccessorIsGenerator, this.state.curPosition(), {
|
|
kind: keyName
|
|
});
|
|
this.next();
|
|
}
|
|
this.parsePropertyName(prop);
|
|
}
|
|
}
|
|
return this.parseObjPropValue(prop, startLoc, isGenerator, isAsync, false, isAccessor, refExpressionErrors);
|
|
}
|
|
getGetterSetterExpectedParamCount(method) {
|
|
return method.kind === "get" ? 0 : 1;
|
|
}
|
|
getObjectOrClassMethodParams(method) {
|
|
return method.params;
|
|
}
|
|
checkGetterSetterParams(method) {
|
|
var _params;
|
|
const paramCount = this.getGetterSetterExpectedParamCount(method);
|
|
const params = this.getObjectOrClassMethodParams(method);
|
|
if (params.length !== paramCount) {
|
|
this.raise(method.kind === "get" ? Errors.BadGetterArity : Errors.BadSetterArity, method);
|
|
}
|
|
if (method.kind === "set" && ((_params = params[params.length - 1]) == null ? void 0 : _params.type) === "RestElement") {
|
|
this.raise(Errors.BadSetterRestParameter, method);
|
|
}
|
|
}
|
|
parseObjectMethod(prop, isGenerator, isAsync, isPattern, isAccessor) {
|
|
if (isAccessor) {
|
|
const finishedProp = this.parseMethod(prop, isGenerator, false, false, false, "ObjectMethod");
|
|
this.checkGetterSetterParams(finishedProp);
|
|
return finishedProp;
|
|
}
|
|
if (isAsync || isGenerator || this.match(10)) {
|
|
if (isPattern) this.unexpected();
|
|
prop.kind = "method";
|
|
prop.method = true;
|
|
return this.parseMethod(prop, isGenerator, isAsync, false, false, "ObjectMethod");
|
|
}
|
|
}
|
|
parseObjectProperty(prop, startLoc, isPattern, refExpressionErrors) {
|
|
prop.shorthand = false;
|
|
if (this.eat(14)) {
|
|
prop.value = isPattern ? this.parseMaybeDefault(this.state.startLoc) : this.parseMaybeAssignAllowIn(refExpressionErrors);
|
|
return this.finishNode(prop, "ObjectProperty");
|
|
}
|
|
if (!prop.computed && prop.key.type === "Identifier") {
|
|
this.checkReservedWord(prop.key.name, prop.key.loc.start, true, false);
|
|
if (isPattern) {
|
|
prop.value = this.parseMaybeDefault(startLoc, cloneIdentifier(prop.key));
|
|
} else if (this.match(29)) {
|
|
const shorthandAssignLoc = this.state.startLoc;
|
|
if (refExpressionErrors != null) {
|
|
if (refExpressionErrors.shorthandAssignLoc === null) {
|
|
refExpressionErrors.shorthandAssignLoc = shorthandAssignLoc;
|
|
}
|
|
} else {
|
|
this.raise(Errors.InvalidCoverInitializedName, shorthandAssignLoc);
|
|
}
|
|
prop.value = this.parseMaybeDefault(startLoc, cloneIdentifier(prop.key));
|
|
} else {
|
|
prop.value = cloneIdentifier(prop.key);
|
|
}
|
|
prop.shorthand = true;
|
|
return this.finishNode(prop, "ObjectProperty");
|
|
}
|
|
}
|
|
parseObjPropValue(prop, startLoc, isGenerator, isAsync, isPattern, isAccessor, refExpressionErrors) {
|
|
const node = this.parseObjectMethod(prop, isGenerator, isAsync, isPattern, isAccessor) || this.parseObjectProperty(prop, startLoc, isPattern, refExpressionErrors);
|
|
if (!node) this.unexpected();
|
|
return node;
|
|
}
|
|
parsePropertyName(prop, refExpressionErrors) {
|
|
if (this.eat(0)) {
|
|
prop.computed = true;
|
|
prop.key = this.parseMaybeAssignAllowIn();
|
|
this.expect(3);
|
|
} else {
|
|
const {
|
|
type,
|
|
value
|
|
} = this.state;
|
|
let key;
|
|
if (tokenIsKeywordOrIdentifier(type)) {
|
|
key = this.parseIdentifier(true);
|
|
} else {
|
|
switch (type) {
|
|
case 134:
|
|
key = this.parseNumericLiteral(value);
|
|
break;
|
|
case 133:
|
|
key = this.parseStringLiteral(value);
|
|
break;
|
|
case 135:
|
|
key = this.parseBigIntLiteral(value);
|
|
break;
|
|
case 136:
|
|
key = this.parseDecimalLiteral(value);
|
|
break;
|
|
case 138:
|
|
{
|
|
const privateKeyLoc = this.state.startLoc;
|
|
if (refExpressionErrors != null) {
|
|
if (refExpressionErrors.privateKeyLoc === null) {
|
|
refExpressionErrors.privateKeyLoc = privateKeyLoc;
|
|
}
|
|
} else {
|
|
this.raise(Errors.UnexpectedPrivateField, privateKeyLoc);
|
|
}
|
|
key = this.parsePrivateName();
|
|
break;
|
|
}
|
|
default:
|
|
this.unexpected();
|
|
}
|
|
}
|
|
prop.key = key;
|
|
if (type !== 138) {
|
|
prop.computed = false;
|
|
}
|
|
}
|
|
return prop.key;
|
|
}
|
|
initFunction(node, isAsync) {
|
|
node.id = null;
|
|
node.generator = false;
|
|
node.async = isAsync;
|
|
}
|
|
parseMethod(node, isGenerator, isAsync, isConstructor, allowDirectSuper, type, inClassScope = false) {
|
|
this.initFunction(node, isAsync);
|
|
node.generator = isGenerator;
|
|
this.scope.enter(2 | 16 | (inClassScope ? 64 : 0) | (allowDirectSuper ? 32 : 0));
|
|
this.prodParam.enter(functionFlags(isAsync, node.generator));
|
|
this.parseFunctionParams(node, isConstructor);
|
|
const finishedNode = this.parseFunctionBodyAndFinish(node, type, true);
|
|
this.prodParam.exit();
|
|
this.scope.exit();
|
|
return finishedNode;
|
|
}
|
|
parseArrayLike(close, canBePattern, isTuple, refExpressionErrors) {
|
|
if (isTuple) {
|
|
this.expectPlugin("recordAndTuple");
|
|
}
|
|
const oldInFSharpPipelineDirectBody = this.state.inFSharpPipelineDirectBody;
|
|
this.state.inFSharpPipelineDirectBody = false;
|
|
const node = this.startNode();
|
|
this.next();
|
|
node.elements = this.parseExprList(close, !isTuple, refExpressionErrors, node);
|
|
this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody;
|
|
return this.finishNode(node, isTuple ? "TupleExpression" : "ArrayExpression");
|
|
}
|
|
parseArrowExpression(node, params, isAsync, trailingCommaLoc) {
|
|
this.scope.enter(2 | 4);
|
|
let flags = functionFlags(isAsync, false);
|
|
if (!this.match(5) && this.prodParam.hasIn) {
|
|
flags |= 8;
|
|
}
|
|
this.prodParam.enter(flags);
|
|
this.initFunction(node, isAsync);
|
|
const oldMaybeInArrowParameters = this.state.maybeInArrowParameters;
|
|
if (params) {
|
|
this.state.maybeInArrowParameters = true;
|
|
this.setArrowFunctionParameters(node, params, trailingCommaLoc);
|
|
}
|
|
this.state.maybeInArrowParameters = false;
|
|
this.parseFunctionBody(node, true);
|
|
this.prodParam.exit();
|
|
this.scope.exit();
|
|
this.state.maybeInArrowParameters = oldMaybeInArrowParameters;
|
|
return this.finishNode(node, "ArrowFunctionExpression");
|
|
}
|
|
setArrowFunctionParameters(node, params, trailingCommaLoc) {
|
|
this.toAssignableList(params, trailingCommaLoc, false);
|
|
node.params = params;
|
|
}
|
|
parseFunctionBodyAndFinish(node, type, isMethod = false) {
|
|
this.parseFunctionBody(node, false, isMethod);
|
|
return this.finishNode(node, type);
|
|
}
|
|
parseFunctionBody(node, allowExpression, isMethod = false) {
|
|
const isExpression = allowExpression && !this.match(5);
|
|
this.expressionScope.enter(newExpressionScope());
|
|
if (isExpression) {
|
|
node.body = this.parseMaybeAssign();
|
|
this.checkParams(node, false, allowExpression, false);
|
|
} else {
|
|
const oldStrict = this.state.strict;
|
|
const oldLabels = this.state.labels;
|
|
this.state.labels = [];
|
|
this.prodParam.enter(this.prodParam.currentFlags() | 4);
|
|
node.body = this.parseBlock(true, false, hasStrictModeDirective => {
|
|
const nonSimple = !this.isSimpleParamList(node.params);
|
|
if (hasStrictModeDirective && nonSimple) {
|
|
this.raise(Errors.IllegalLanguageModeDirective, (node.kind === "method" || node.kind === "constructor") && !!node.key ? node.key.loc.end : node);
|
|
}
|
|
const strictModeChanged = !oldStrict && this.state.strict;
|
|
this.checkParams(node, !this.state.strict && !allowExpression && !isMethod && !nonSimple, allowExpression, strictModeChanged);
|
|
if (this.state.strict && node.id) {
|
|
this.checkIdentifier(node.id, 65, strictModeChanged);
|
|
}
|
|
});
|
|
this.prodParam.exit();
|
|
this.state.labels = oldLabels;
|
|
}
|
|
this.expressionScope.exit();
|
|
}
|
|
isSimpleParameter(node) {
|
|
return node.type === "Identifier";
|
|
}
|
|
isSimpleParamList(params) {
|
|
for (let i = 0, len = params.length; i < len; i++) {
|
|
if (!this.isSimpleParameter(params[i])) return false;
|
|
}
|
|
return true;
|
|
}
|
|
checkParams(node, allowDuplicates, isArrowFunction, strictModeChanged = true) {
|
|
const checkClashes = !allowDuplicates && new Set();
|
|
const formalParameters = {
|
|
type: "FormalParameters"
|
|
};
|
|
for (const param of node.params) {
|
|
this.checkLVal(param, {
|
|
in: formalParameters,
|
|
binding: 5,
|
|
checkClashes,
|
|
strictModeChanged
|
|
});
|
|
}
|
|
}
|
|
parseExprList(close, allowEmpty, refExpressionErrors, nodeForExtra) {
|
|
const elts = [];
|
|
let first = true;
|
|
while (!this.eat(close)) {
|
|
if (first) {
|
|
first = false;
|
|
} else {
|
|
this.expect(12);
|
|
if (this.match(close)) {
|
|
if (nodeForExtra) {
|
|
this.addTrailingCommaExtraToNode(nodeForExtra);
|
|
}
|
|
this.next();
|
|
break;
|
|
}
|
|
}
|
|
elts.push(this.parseExprListItem(allowEmpty, refExpressionErrors));
|
|
}
|
|
return elts;
|
|
}
|
|
parseExprListItem(allowEmpty, refExpressionErrors, allowPlaceholder) {
|
|
let elt;
|
|
if (this.match(12)) {
|
|
if (!allowEmpty) {
|
|
this.raise(Errors.UnexpectedToken, this.state.curPosition(), {
|
|
unexpected: ","
|
|
});
|
|
}
|
|
elt = null;
|
|
} else if (this.match(21)) {
|
|
const spreadNodeStartLoc = this.state.startLoc;
|
|
elt = this.parseParenItem(this.parseSpread(refExpressionErrors), spreadNodeStartLoc);
|
|
} else if (this.match(17)) {
|
|
this.expectPlugin("partialApplication");
|
|
if (!allowPlaceholder) {
|
|
this.raise(Errors.UnexpectedArgumentPlaceholder, this.state.startLoc);
|
|
}
|
|
const node = this.startNode();
|
|
this.next();
|
|
elt = this.finishNode(node, "ArgumentPlaceholder");
|
|
} else {
|
|
elt = this.parseMaybeAssignAllowIn(refExpressionErrors, this.parseParenItem);
|
|
}
|
|
return elt;
|
|
}
|
|
parseIdentifier(liberal) {
|
|
const node = this.startNode();
|
|
const name = this.parseIdentifierName(liberal);
|
|
return this.createIdentifier(node, name);
|
|
}
|
|
createIdentifier(node, name) {
|
|
node.name = name;
|
|
node.loc.identifierName = name;
|
|
return this.finishNode(node, "Identifier");
|
|
}
|
|
parseIdentifierName(liberal) {
|
|
let name;
|
|
const {
|
|
startLoc,
|
|
type
|
|
} = this.state;
|
|
if (tokenIsKeywordOrIdentifier(type)) {
|
|
name = this.state.value;
|
|
} else {
|
|
this.unexpected();
|
|
}
|
|
const tokenIsKeyword = tokenKeywordOrIdentifierIsKeyword(type);
|
|
if (liberal) {
|
|
if (tokenIsKeyword) {
|
|
this.replaceToken(132);
|
|
}
|
|
} else {
|
|
this.checkReservedWord(name, startLoc, tokenIsKeyword, false);
|
|
}
|
|
this.next();
|
|
return name;
|
|
}
|
|
checkReservedWord(word, startLoc, checkKeywords, isBinding) {
|
|
if (word.length > 10) {
|
|
return;
|
|
}
|
|
if (!canBeReservedWord(word)) {
|
|
return;
|
|
}
|
|
if (checkKeywords && isKeyword(word)) {
|
|
this.raise(Errors.UnexpectedKeyword, startLoc, {
|
|
keyword: word
|
|
});
|
|
return;
|
|
}
|
|
const reservedTest = !this.state.strict ? isReservedWord : isBinding ? isStrictBindReservedWord : isStrictReservedWord;
|
|
if (reservedTest(word, this.inModule)) {
|
|
this.raise(Errors.UnexpectedReservedWord, startLoc, {
|
|
reservedWord: word
|
|
});
|
|
return;
|
|
} else if (word === "yield") {
|
|
if (this.prodParam.hasYield) {
|
|
this.raise(Errors.YieldBindingIdentifier, startLoc);
|
|
return;
|
|
}
|
|
} else if (word === "await") {
|
|
if (this.prodParam.hasAwait) {
|
|
this.raise(Errors.AwaitBindingIdentifier, startLoc);
|
|
return;
|
|
}
|
|
if (this.scope.inStaticBlock) {
|
|
this.raise(Errors.AwaitBindingIdentifierInStaticBlock, startLoc);
|
|
return;
|
|
}
|
|
this.expressionScope.recordAsyncArrowParametersError(startLoc);
|
|
} else if (word === "arguments") {
|
|
if (this.scope.inClassAndNotInNonArrowFunction) {
|
|
this.raise(Errors.ArgumentsInClass, startLoc);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
isAwaitAllowed() {
|
|
if (this.prodParam.hasAwait) return true;
|
|
if (this.options.allowAwaitOutsideFunction && !this.scope.inFunction) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
parseAwait(startLoc) {
|
|
const node = this.startNodeAt(startLoc);
|
|
this.expressionScope.recordParameterInitializerError(Errors.AwaitExpressionFormalParameter, node);
|
|
if (this.eat(55)) {
|
|
this.raise(Errors.ObsoleteAwaitStar, node);
|
|
}
|
|
if (!this.scope.inFunction && !this.options.allowAwaitOutsideFunction) {
|
|
if (this.isAmbiguousAwait()) {
|
|
this.ambiguousScriptDifferentAst = true;
|
|
} else {
|
|
this.sawUnambiguousESM = true;
|
|
}
|
|
}
|
|
if (!this.state.soloAwait) {
|
|
node.argument = this.parseMaybeUnary(null, true);
|
|
}
|
|
return this.finishNode(node, "AwaitExpression");
|
|
}
|
|
isAmbiguousAwait() {
|
|
if (this.hasPrecedingLineBreak()) return true;
|
|
const {
|
|
type
|
|
} = this.state;
|
|
return type === 53 || type === 10 || type === 0 || tokenIsTemplate(type) || type === 102 && !this.state.containsEsc || type === 137 || type === 56 || this.hasPlugin("v8intrinsic") && type === 54;
|
|
}
|
|
parseYield() {
|
|
const node = this.startNode();
|
|
this.expressionScope.recordParameterInitializerError(Errors.YieldInParameter, node);
|
|
this.next();
|
|
let delegating = false;
|
|
let argument = null;
|
|
if (!this.hasPrecedingLineBreak()) {
|
|
delegating = this.eat(55);
|
|
switch (this.state.type) {
|
|
case 13:
|
|
case 139:
|
|
case 8:
|
|
case 11:
|
|
case 3:
|
|
case 9:
|
|
case 14:
|
|
case 12:
|
|
if (!delegating) break;
|
|
default:
|
|
argument = this.parseMaybeAssign();
|
|
}
|
|
}
|
|
node.delegate = delegating;
|
|
node.argument = argument;
|
|
return this.finishNode(node, "YieldExpression");
|
|
}
|
|
parseImportCall(node) {
|
|
this.next();
|
|
node.source = this.parseMaybeAssignAllowIn();
|
|
if (this.hasPlugin("importAttributes") || this.hasPlugin("importAssertions")) {
|
|
node.options = null;
|
|
}
|
|
if (this.eat(12)) {
|
|
this.expectImportAttributesPlugin();
|
|
if (!this.match(11)) {
|
|
node.options = this.parseMaybeAssignAllowIn();
|
|
this.eat(12);
|
|
}
|
|
}
|
|
this.expect(11);
|
|
return this.finishNode(node, "ImportExpression");
|
|
}
|
|
checkPipelineAtInfixOperator(left, leftStartLoc) {
|
|
if (this.hasPlugin(["pipelineOperator", {
|
|
proposal: "smart"
|
|
}])) {
|
|
if (left.type === "SequenceExpression") {
|
|
this.raise(Errors.PipelineHeadSequenceExpression, leftStartLoc);
|
|
}
|
|
}
|
|
}
|
|
parseSmartPipelineBodyInStyle(childExpr, startLoc) {
|
|
if (this.isSimpleReference(childExpr)) {
|
|
const bodyNode = this.startNodeAt(startLoc);
|
|
bodyNode.callee = childExpr;
|
|
return this.finishNode(bodyNode, "PipelineBareFunction");
|
|
} else {
|
|
const bodyNode = this.startNodeAt(startLoc);
|
|
this.checkSmartPipeTopicBodyEarlyErrors(startLoc);
|
|
bodyNode.expression = childExpr;
|
|
return this.finishNode(bodyNode, "PipelineTopicExpression");
|
|
}
|
|
}
|
|
isSimpleReference(expression) {
|
|
switch (expression.type) {
|
|
case "MemberExpression":
|
|
return !expression.computed && this.isSimpleReference(expression.object);
|
|
case "Identifier":
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
checkSmartPipeTopicBodyEarlyErrors(startLoc) {
|
|
if (this.match(19)) {
|
|
throw this.raise(Errors.PipelineBodyNoArrow, this.state.startLoc);
|
|
}
|
|
if (!this.topicReferenceWasUsedInCurrentContext()) {
|
|
this.raise(Errors.PipelineTopicUnused, startLoc);
|
|
}
|
|
}
|
|
withTopicBindingContext(callback) {
|
|
const outerContextTopicState = this.state.topicContext;
|
|
this.state.topicContext = {
|
|
maxNumOfResolvableTopics: 1,
|
|
maxTopicIndex: null
|
|
};
|
|
try {
|
|
return callback();
|
|
} finally {
|
|
this.state.topicContext = outerContextTopicState;
|
|
}
|
|
}
|
|
withSmartMixTopicForbiddingContext(callback) {
|
|
if (this.hasPlugin(["pipelineOperator", {
|
|
proposal: "smart"
|
|
}])) {
|
|
const outerContextTopicState = this.state.topicContext;
|
|
this.state.topicContext = {
|
|
maxNumOfResolvableTopics: 0,
|
|
maxTopicIndex: null
|
|
};
|
|
try {
|
|
return callback();
|
|
} finally {
|
|
this.state.topicContext = outerContextTopicState;
|
|
}
|
|
} else {
|
|
return callback();
|
|
}
|
|
}
|
|
withSoloAwaitPermittingContext(callback) {
|
|
const outerContextSoloAwaitState = this.state.soloAwait;
|
|
this.state.soloAwait = true;
|
|
try {
|
|
return callback();
|
|
} finally {
|
|
this.state.soloAwait = outerContextSoloAwaitState;
|
|
}
|
|
}
|
|
allowInAnd(callback) {
|
|
const flags = this.prodParam.currentFlags();
|
|
const prodParamToSet = 8 & ~flags;
|
|
if (prodParamToSet) {
|
|
this.prodParam.enter(flags | 8);
|
|
try {
|
|
return callback();
|
|
} finally {
|
|
this.prodParam.exit();
|
|
}
|
|
}
|
|
return callback();
|
|
}
|
|
disallowInAnd(callback) {
|
|
const flags = this.prodParam.currentFlags();
|
|
const prodParamToClear = 8 & flags;
|
|
if (prodParamToClear) {
|
|
this.prodParam.enter(flags & ~8);
|
|
try {
|
|
return callback();
|
|
} finally {
|
|
this.prodParam.exit();
|
|
}
|
|
}
|
|
return callback();
|
|
}
|
|
registerTopicReference() {
|
|
this.state.topicContext.maxTopicIndex = 0;
|
|
}
|
|
topicReferenceIsAllowedInCurrentContext() {
|
|
return this.state.topicContext.maxNumOfResolvableTopics >= 1;
|
|
}
|
|
topicReferenceWasUsedInCurrentContext() {
|
|
return this.state.topicContext.maxTopicIndex != null && this.state.topicContext.maxTopicIndex >= 0;
|
|
}
|
|
parseFSharpPipelineBody(prec) {
|
|
const startLoc = this.state.startLoc;
|
|
this.state.potentialArrowAt = this.state.start;
|
|
const oldInFSharpPipelineDirectBody = this.state.inFSharpPipelineDirectBody;
|
|
this.state.inFSharpPipelineDirectBody = true;
|
|
const ret = this.parseExprOp(this.parseMaybeUnaryOrPrivate(), startLoc, prec);
|
|
this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody;
|
|
return ret;
|
|
}
|
|
parseModuleExpression() {
|
|
this.expectPlugin("moduleBlocks");
|
|
const node = this.startNode();
|
|
this.next();
|
|
if (!this.match(5)) {
|
|
this.unexpected(null, 5);
|
|
}
|
|
const program = this.startNodeAt(this.state.endLoc);
|
|
this.next();
|
|
const revertScopes = this.initializeScopes(true);
|
|
this.enterInitialScopes();
|
|
try {
|
|
node.body = this.parseProgram(program, 8, "module");
|
|
} finally {
|
|
revertScopes();
|
|
}
|
|
return this.finishNode(node, "ModuleExpression");
|
|
}
|
|
parsePropertyNamePrefixOperator(prop) {}
|
|
}
|
|
const loopLabel = {
|
|
kind: 1
|
|
},
|
|
switchLabel = {
|
|
kind: 2
|
|
};
|
|
const loneSurrogate = /[\uD800-\uDFFF]/u;
|
|
const keywordRelationalOperator = /in(?:stanceof)?/y;
|
|
function babel7CompatTokens(tokens, input) {
|
|
for (let i = 0; i < tokens.length; i++) {
|
|
const token = tokens[i];
|
|
const {
|
|
type
|
|
} = token;
|
|
if (typeof type === "number") {
|
|
{
|
|
if (type === 138) {
|
|
const {
|
|
loc,
|
|
start,
|
|
value,
|
|
end
|
|
} = token;
|
|
const hashEndPos = start + 1;
|
|
const hashEndLoc = createPositionWithColumnOffset(loc.start, 1);
|
|
tokens.splice(i, 1, new Token({
|
|
type: getExportedToken(27),
|
|
value: "#",
|
|
start: start,
|
|
end: hashEndPos,
|
|
startLoc: loc.start,
|
|
endLoc: hashEndLoc
|
|
}), new Token({
|
|
type: getExportedToken(132),
|
|
value: value,
|
|
start: hashEndPos,
|
|
end: end,
|
|
startLoc: hashEndLoc,
|
|
endLoc: loc.end
|
|
}));
|
|
i++;
|
|
continue;
|
|
}
|
|
if (tokenIsTemplate(type)) {
|
|
const {
|
|
loc,
|
|
start,
|
|
value,
|
|
end
|
|
} = token;
|
|
const backquoteEnd = start + 1;
|
|
const backquoteEndLoc = createPositionWithColumnOffset(loc.start, 1);
|
|
let startToken;
|
|
if (input.charCodeAt(start) === 96) {
|
|
startToken = new Token({
|
|
type: getExportedToken(22),
|
|
value: "`",
|
|
start: start,
|
|
end: backquoteEnd,
|
|
startLoc: loc.start,
|
|
endLoc: backquoteEndLoc
|
|
});
|
|
} else {
|
|
startToken = new Token({
|
|
type: getExportedToken(8),
|
|
value: "}",
|
|
start: start,
|
|
end: backquoteEnd,
|
|
startLoc: loc.start,
|
|
endLoc: backquoteEndLoc
|
|
});
|
|
}
|
|
let templateValue, templateElementEnd, templateElementEndLoc, endToken;
|
|
if (type === 24) {
|
|
templateElementEnd = end - 1;
|
|
templateElementEndLoc = createPositionWithColumnOffset(loc.end, -1);
|
|
templateValue = value === null ? null : value.slice(1, -1);
|
|
endToken = new Token({
|
|
type: getExportedToken(22),
|
|
value: "`",
|
|
start: templateElementEnd,
|
|
end: end,
|
|
startLoc: templateElementEndLoc,
|
|
endLoc: loc.end
|
|
});
|
|
} else {
|
|
templateElementEnd = end - 2;
|
|
templateElementEndLoc = createPositionWithColumnOffset(loc.end, -2);
|
|
templateValue = value === null ? null : value.slice(1, -2);
|
|
endToken = new Token({
|
|
type: getExportedToken(23),
|
|
value: "${",
|
|
start: templateElementEnd,
|
|
end: end,
|
|
startLoc: templateElementEndLoc,
|
|
endLoc: loc.end
|
|
});
|
|
}
|
|
tokens.splice(i, 1, startToken, new Token({
|
|
type: getExportedToken(20),
|
|
value: templateValue,
|
|
start: backquoteEnd,
|
|
end: templateElementEnd,
|
|
startLoc: backquoteEndLoc,
|
|
endLoc: templateElementEndLoc
|
|
}), endToken);
|
|
i += 2;
|
|
continue;
|
|
}
|
|
}
|
|
token.type = getExportedToken(type);
|
|
}
|
|
}
|
|
return tokens;
|
|
}
|
|
class StatementParser extends ExpressionParser {
|
|
parseTopLevel(file, program) {
|
|
file.program = this.parseProgram(program);
|
|
file.comments = this.comments;
|
|
if (this.options.tokens) {
|
|
file.tokens = babel7CompatTokens(this.tokens, this.input);
|
|
}
|
|
return this.finishNode(file, "File");
|
|
}
|
|
parseProgram(program, end = 139, sourceType = this.options.sourceType) {
|
|
program.sourceType = sourceType;
|
|
program.interpreter = this.parseInterpreterDirective();
|
|
this.parseBlockBody(program, true, true, end);
|
|
if (this.inModule && !this.options.allowUndeclaredExports && this.scope.undefinedExports.size > 0) {
|
|
for (const [localName, at] of Array.from(this.scope.undefinedExports)) {
|
|
this.raise(Errors.ModuleExportUndefined, at, {
|
|
localName
|
|
});
|
|
}
|
|
}
|
|
let finishedProgram;
|
|
if (end === 139) {
|
|
finishedProgram = this.finishNode(program, "Program");
|
|
} else {
|
|
finishedProgram = this.finishNodeAt(program, "Program", createPositionWithColumnOffset(this.state.startLoc, -1));
|
|
}
|
|
return finishedProgram;
|
|
}
|
|
stmtToDirective(stmt) {
|
|
const directive = stmt;
|
|
directive.type = "Directive";
|
|
directive.value = directive.expression;
|
|
delete directive.expression;
|
|
const directiveLiteral = directive.value;
|
|
const expressionValue = directiveLiteral.value;
|
|
const raw = this.input.slice(directiveLiteral.start, directiveLiteral.end);
|
|
const val = directiveLiteral.value = raw.slice(1, -1);
|
|
this.addExtra(directiveLiteral, "raw", raw);
|
|
this.addExtra(directiveLiteral, "rawValue", val);
|
|
this.addExtra(directiveLiteral, "expressionValue", expressionValue);
|
|
directiveLiteral.type = "DirectiveLiteral";
|
|
return directive;
|
|
}
|
|
parseInterpreterDirective() {
|
|
if (!this.match(28)) {
|
|
return null;
|
|
}
|
|
const node = this.startNode();
|
|
node.value = this.state.value;
|
|
this.next();
|
|
return this.finishNode(node, "InterpreterDirective");
|
|
}
|
|
isLet() {
|
|
if (!this.isContextual(100)) {
|
|
return false;
|
|
}
|
|
return this.hasFollowingBindingAtom();
|
|
}
|
|
chStartsBindingIdentifier(ch, pos) {
|
|
if (isIdentifierStart(ch)) {
|
|
keywordRelationalOperator.lastIndex = pos;
|
|
if (keywordRelationalOperator.test(this.input)) {
|
|
const endCh = this.codePointAtPos(keywordRelationalOperator.lastIndex);
|
|
if (!isIdentifierChar(endCh) && endCh !== 92) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
} else if (ch === 92) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
chStartsBindingPattern(ch) {
|
|
return ch === 91 || ch === 123;
|
|
}
|
|
hasFollowingBindingAtom() {
|
|
const next = this.nextTokenStart();
|
|
const nextCh = this.codePointAtPos(next);
|
|
return this.chStartsBindingPattern(nextCh) || this.chStartsBindingIdentifier(nextCh, next);
|
|
}
|
|
hasInLineFollowingBindingIdentifier() {
|
|
const next = this.nextTokenInLineStart();
|
|
const nextCh = this.codePointAtPos(next);
|
|
return this.chStartsBindingIdentifier(nextCh, next);
|
|
}
|
|
startsUsingForOf() {
|
|
const {
|
|
type,
|
|
containsEsc
|
|
} = this.lookahead();
|
|
if (type === 102 && !containsEsc) {
|
|
return false;
|
|
} else if (tokenIsIdentifier(type) && !this.hasFollowingLineBreak()) {
|
|
this.expectPlugin("explicitResourceManagement");
|
|
return true;
|
|
}
|
|
}
|
|
startsAwaitUsing() {
|
|
let next = this.nextTokenInLineStart();
|
|
if (this.isUnparsedContextual(next, "using")) {
|
|
next = this.nextTokenInLineStartSince(next + 5);
|
|
const nextCh = this.codePointAtPos(next);
|
|
if (this.chStartsBindingIdentifier(nextCh, next)) {
|
|
this.expectPlugin("explicitResourceManagement");
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
parseModuleItem() {
|
|
return this.parseStatementLike(1 | 2 | 4 | 8);
|
|
}
|
|
parseStatementListItem() {
|
|
return this.parseStatementLike(2 | 4 | (!this.options.annexB || this.state.strict ? 0 : 8));
|
|
}
|
|
parseStatementOrSloppyAnnexBFunctionDeclaration(allowLabeledFunction = false) {
|
|
let flags = 0;
|
|
if (this.options.annexB && !this.state.strict) {
|
|
flags |= 4;
|
|
if (allowLabeledFunction) {
|
|
flags |= 8;
|
|
}
|
|
}
|
|
return this.parseStatementLike(flags);
|
|
}
|
|
parseStatement() {
|
|
return this.parseStatementLike(0);
|
|
}
|
|
parseStatementLike(flags) {
|
|
let decorators = null;
|
|
if (this.match(26)) {
|
|
decorators = this.parseDecorators(true);
|
|
}
|
|
return this.parseStatementContent(flags, decorators);
|
|
}
|
|
parseStatementContent(flags, decorators) {
|
|
const starttype = this.state.type;
|
|
const node = this.startNode();
|
|
const allowDeclaration = !!(flags & 2);
|
|
const allowFunctionDeclaration = !!(flags & 4);
|
|
const topLevel = flags & 1;
|
|
switch (starttype) {
|
|
case 60:
|
|
return this.parseBreakContinueStatement(node, true);
|
|
case 63:
|
|
return this.parseBreakContinueStatement(node, false);
|
|
case 64:
|
|
return this.parseDebuggerStatement(node);
|
|
case 90:
|
|
return this.parseDoWhileStatement(node);
|
|
case 91:
|
|
return this.parseForStatement(node);
|
|
case 68:
|
|
if (this.lookaheadCharCode() === 46) break;
|
|
if (!allowFunctionDeclaration) {
|
|
this.raise(this.state.strict ? Errors.StrictFunction : this.options.annexB ? Errors.SloppyFunctionAnnexB : Errors.SloppyFunction, this.state.startLoc);
|
|
}
|
|
return this.parseFunctionStatement(node, false, !allowDeclaration && allowFunctionDeclaration);
|
|
case 80:
|
|
if (!allowDeclaration) this.unexpected();
|
|
return this.parseClass(this.maybeTakeDecorators(decorators, node), true);
|
|
case 69:
|
|
return this.parseIfStatement(node);
|
|
case 70:
|
|
return this.parseReturnStatement(node);
|
|
case 71:
|
|
return this.parseSwitchStatement(node);
|
|
case 72:
|
|
return this.parseThrowStatement(node);
|
|
case 73:
|
|
return this.parseTryStatement(node);
|
|
case 96:
|
|
if (!this.state.containsEsc && this.startsAwaitUsing()) {
|
|
if (!this.isAwaitAllowed()) {
|
|
this.raise(Errors.AwaitUsingNotInAsyncContext, node);
|
|
} else if (!allowDeclaration) {
|
|
this.raise(Errors.UnexpectedLexicalDeclaration, node);
|
|
}
|
|
this.next();
|
|
return this.parseVarStatement(node, "await using");
|
|
}
|
|
break;
|
|
case 107:
|
|
if (this.state.containsEsc || !this.hasInLineFollowingBindingIdentifier()) {
|
|
break;
|
|
}
|
|
this.expectPlugin("explicitResourceManagement");
|
|
if (!this.scope.inModule && this.scope.inTopLevel) {
|
|
this.raise(Errors.UnexpectedUsingDeclaration, this.state.startLoc);
|
|
} else if (!allowDeclaration) {
|
|
this.raise(Errors.UnexpectedLexicalDeclaration, this.state.startLoc);
|
|
}
|
|
return this.parseVarStatement(node, "using");
|
|
case 100:
|
|
{
|
|
if (this.state.containsEsc) {
|
|
break;
|
|
}
|
|
const next = this.nextTokenStart();
|
|
const nextCh = this.codePointAtPos(next);
|
|
if (nextCh !== 91) {
|
|
if (!allowDeclaration && this.hasFollowingLineBreak()) break;
|
|
if (!this.chStartsBindingIdentifier(nextCh, next) && nextCh !== 123) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
case 75:
|
|
{
|
|
if (!allowDeclaration) {
|
|
this.raise(Errors.UnexpectedLexicalDeclaration, this.state.startLoc);
|
|
}
|
|
}
|
|
case 74:
|
|
{
|
|
const kind = this.state.value;
|
|
return this.parseVarStatement(node, kind);
|
|
}
|
|
case 92:
|
|
return this.parseWhileStatement(node);
|
|
case 76:
|
|
return this.parseWithStatement(node);
|
|
case 5:
|
|
return this.parseBlock();
|
|
case 13:
|
|
return this.parseEmptyStatement(node);
|
|
case 83:
|
|
{
|
|
const nextTokenCharCode = this.lookaheadCharCode();
|
|
if (nextTokenCharCode === 40 || nextTokenCharCode === 46) {
|
|
break;
|
|
}
|
|
}
|
|
case 82:
|
|
{
|
|
if (!this.options.allowImportExportEverywhere && !topLevel) {
|
|
this.raise(Errors.UnexpectedImportExport, this.state.startLoc);
|
|
}
|
|
this.next();
|
|
let result;
|
|
if (starttype === 83) {
|
|
result = this.parseImport(node);
|
|
if (result.type === "ImportDeclaration" && (!result.importKind || result.importKind === "value")) {
|
|
this.sawUnambiguousESM = true;
|
|
}
|
|
} else {
|
|
result = this.parseExport(node, decorators);
|
|
if (result.type === "ExportNamedDeclaration" && (!result.exportKind || result.exportKind === "value") || result.type === "ExportAllDeclaration" && (!result.exportKind || result.exportKind === "value") || result.type === "ExportDefaultDeclaration") {
|
|
this.sawUnambiguousESM = true;
|
|
}
|
|
}
|
|
this.assertModuleNodeAllowed(result);
|
|
return result;
|
|
}
|
|
default:
|
|
{
|
|
if (this.isAsyncFunction()) {
|
|
if (!allowDeclaration) {
|
|
this.raise(Errors.AsyncFunctionInSingleStatementContext, this.state.startLoc);
|
|
}
|
|
this.next();
|
|
return this.parseFunctionStatement(node, true, !allowDeclaration && allowFunctionDeclaration);
|
|
}
|
|
}
|
|
}
|
|
const maybeName = this.state.value;
|
|
const expr = this.parseExpression();
|
|
if (tokenIsIdentifier(starttype) && expr.type === "Identifier" && this.eat(14)) {
|
|
return this.parseLabeledStatement(node, maybeName, expr, flags);
|
|
} else {
|
|
return this.parseExpressionStatement(node, expr, decorators);
|
|
}
|
|
}
|
|
assertModuleNodeAllowed(node) {
|
|
if (!this.options.allowImportExportEverywhere && !this.inModule) {
|
|
this.raise(Errors.ImportOutsideModule, node);
|
|
}
|
|
}
|
|
decoratorsEnabledBeforeExport() {
|
|
if (this.hasPlugin("decorators-legacy")) return true;
|
|
return this.hasPlugin("decorators") && this.getPluginOption("decorators", "decoratorsBeforeExport") !== false;
|
|
}
|
|
maybeTakeDecorators(maybeDecorators, classNode, exportNode) {
|
|
if (maybeDecorators) {
|
|
if (classNode.decorators && classNode.decorators.length > 0) {
|
|
if (typeof this.getPluginOption("decorators", "decoratorsBeforeExport") !== "boolean") {
|
|
this.raise(Errors.DecoratorsBeforeAfterExport, classNode.decorators[0]);
|
|
}
|
|
classNode.decorators.unshift(...maybeDecorators);
|
|
} else {
|
|
classNode.decorators = maybeDecorators;
|
|
}
|
|
this.resetStartLocationFromNode(classNode, maybeDecorators[0]);
|
|
if (exportNode) this.resetStartLocationFromNode(exportNode, classNode);
|
|
}
|
|
return classNode;
|
|
}
|
|
canHaveLeadingDecorator() {
|
|
return this.match(80);
|
|
}
|
|
parseDecorators(allowExport) {
|
|
const decorators = [];
|
|
do {
|
|
decorators.push(this.parseDecorator());
|
|
} while (this.match(26));
|
|
if (this.match(82)) {
|
|
if (!allowExport) {
|
|
this.unexpected();
|
|
}
|
|
if (!this.decoratorsEnabledBeforeExport()) {
|
|
this.raise(Errors.DecoratorExportClass, this.state.startLoc);
|
|
}
|
|
} else if (!this.canHaveLeadingDecorator()) {
|
|
throw this.raise(Errors.UnexpectedLeadingDecorator, this.state.startLoc);
|
|
}
|
|
return decorators;
|
|
}
|
|
parseDecorator() {
|
|
this.expectOnePlugin(["decorators", "decorators-legacy"]);
|
|
const node = this.startNode();
|
|
this.next();
|
|
if (this.hasPlugin("decorators")) {
|
|
const startLoc = this.state.startLoc;
|
|
let expr;
|
|
if (this.match(10)) {
|
|
const startLoc = this.state.startLoc;
|
|
this.next();
|
|
expr = this.parseExpression();
|
|
this.expect(11);
|
|
expr = this.wrapParenthesis(startLoc, expr);
|
|
const paramsStartLoc = this.state.startLoc;
|
|
node.expression = this.parseMaybeDecoratorArguments(expr);
|
|
if (this.getPluginOption("decorators", "allowCallParenthesized") === false && node.expression !== expr) {
|
|
this.raise(Errors.DecoratorArgumentsOutsideParentheses, paramsStartLoc);
|
|
}
|
|
} else {
|
|
expr = this.parseIdentifier(false);
|
|
while (this.eat(16)) {
|
|
const node = this.startNodeAt(startLoc);
|
|
node.object = expr;
|
|
if (this.match(138)) {
|
|
this.classScope.usePrivateName(this.state.value, this.state.startLoc);
|
|
node.property = this.parsePrivateName();
|
|
} else {
|
|
node.property = this.parseIdentifier(true);
|
|
}
|
|
node.computed = false;
|
|
expr = this.finishNode(node, "MemberExpression");
|
|
}
|
|
node.expression = this.parseMaybeDecoratorArguments(expr);
|
|
}
|
|
} else {
|
|
node.expression = this.parseExprSubscripts();
|
|
}
|
|
return this.finishNode(node, "Decorator");
|
|
}
|
|
parseMaybeDecoratorArguments(expr) {
|
|
if (this.eat(10)) {
|
|
const node = this.startNodeAtNode(expr);
|
|
node.callee = expr;
|
|
node.arguments = this.parseCallExpressionArguments(11, false);
|
|
this.toReferencedList(node.arguments);
|
|
return this.finishNode(node, "CallExpression");
|
|
}
|
|
return expr;
|
|
}
|
|
parseBreakContinueStatement(node, isBreak) {
|
|
this.next();
|
|
if (this.isLineTerminator()) {
|
|
node.label = null;
|
|
} else {
|
|
node.label = this.parseIdentifier();
|
|
this.semicolon();
|
|
}
|
|
this.verifyBreakContinue(node, isBreak);
|
|
return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement");
|
|
}
|
|
verifyBreakContinue(node, isBreak) {
|
|
let i;
|
|
for (i = 0; i < this.state.labels.length; ++i) {
|
|
const lab = this.state.labels[i];
|
|
if (node.label == null || lab.name === node.label.name) {
|
|
if (lab.kind != null && (isBreak || lab.kind === 1)) {
|
|
break;
|
|
}
|
|
if (node.label && isBreak) break;
|
|
}
|
|
}
|
|
if (i === this.state.labels.length) {
|
|
const type = isBreak ? "BreakStatement" : "ContinueStatement";
|
|
this.raise(Errors.IllegalBreakContinue, node, {
|
|
type
|
|
});
|
|
}
|
|
}
|
|
parseDebuggerStatement(node) {
|
|
this.next();
|
|
this.semicolon();
|
|
return this.finishNode(node, "DebuggerStatement");
|
|
}
|
|
parseHeaderExpression() {
|
|
this.expect(10);
|
|
const val = this.parseExpression();
|
|
this.expect(11);
|
|
return val;
|
|
}
|
|
parseDoWhileStatement(node) {
|
|
this.next();
|
|
this.state.labels.push(loopLabel);
|
|
node.body = this.withSmartMixTopicForbiddingContext(() => this.parseStatement());
|
|
this.state.labels.pop();
|
|
this.expect(92);
|
|
node.test = this.parseHeaderExpression();
|
|
this.eat(13);
|
|
return this.finishNode(node, "DoWhileStatement");
|
|
}
|
|
parseForStatement(node) {
|
|
this.next();
|
|
this.state.labels.push(loopLabel);
|
|
let awaitAt = null;
|
|
if (this.isAwaitAllowed() && this.eatContextual(96)) {
|
|
awaitAt = this.state.lastTokStartLoc;
|
|
}
|
|
this.scope.enter(0);
|
|
this.expect(10);
|
|
if (this.match(13)) {
|
|
if (awaitAt !== null) {
|
|
this.unexpected(awaitAt);
|
|
}
|
|
return this.parseFor(node, null);
|
|
}
|
|
const startsWithLet = this.isContextual(100);
|
|
{
|
|
const startsWithAwaitUsing = this.isContextual(96) && this.startsAwaitUsing();
|
|
const starsWithUsingDeclaration = startsWithAwaitUsing || this.isContextual(107) && this.startsUsingForOf();
|
|
const isLetOrUsing = startsWithLet && this.hasFollowingBindingAtom() || starsWithUsingDeclaration;
|
|
if (this.match(74) || this.match(75) || isLetOrUsing) {
|
|
const initNode = this.startNode();
|
|
let kind;
|
|
if (startsWithAwaitUsing) {
|
|
kind = "await using";
|
|
if (!this.isAwaitAllowed()) {
|
|
this.raise(Errors.AwaitUsingNotInAsyncContext, this.state.startLoc);
|
|
}
|
|
this.next();
|
|
} else {
|
|
kind = this.state.value;
|
|
}
|
|
this.next();
|
|
this.parseVar(initNode, true, kind);
|
|
const init = this.finishNode(initNode, "VariableDeclaration");
|
|
const isForIn = this.match(58);
|
|
if (isForIn && starsWithUsingDeclaration) {
|
|
this.raise(Errors.ForInUsing, init);
|
|
}
|
|
if ((isForIn || this.isContextual(102)) && init.declarations.length === 1) {
|
|
return this.parseForIn(node, init, awaitAt);
|
|
}
|
|
if (awaitAt !== null) {
|
|
this.unexpected(awaitAt);
|
|
}
|
|
return this.parseFor(node, init);
|
|
}
|
|
}
|
|
const startsWithAsync = this.isContextual(95);
|
|
const refExpressionErrors = new ExpressionErrors();
|
|
const init = this.parseExpression(true, refExpressionErrors);
|
|
const isForOf = this.isContextual(102);
|
|
if (isForOf) {
|
|
if (startsWithLet) {
|
|
this.raise(Errors.ForOfLet, init);
|
|
}
|
|
if (awaitAt === null && startsWithAsync && init.type === "Identifier") {
|
|
this.raise(Errors.ForOfAsync, init);
|
|
}
|
|
}
|
|
if (isForOf || this.match(58)) {
|
|
this.checkDestructuringPrivate(refExpressionErrors);
|
|
this.toAssignable(init, true);
|
|
const type = isForOf ? "ForOfStatement" : "ForInStatement";
|
|
this.checkLVal(init, {
|
|
in: {
|
|
type
|
|
}
|
|
});
|
|
return this.parseForIn(node, init, awaitAt);
|
|
} else {
|
|
this.checkExpressionErrors(refExpressionErrors, true);
|
|
}
|
|
if (awaitAt !== null) {
|
|
this.unexpected(awaitAt);
|
|
}
|
|
return this.parseFor(node, init);
|
|
}
|
|
parseFunctionStatement(node, isAsync, isHangingDeclaration) {
|
|
this.next();
|
|
return this.parseFunction(node, 1 | (isHangingDeclaration ? 2 : 0) | (isAsync ? 8 : 0));
|
|
}
|
|
parseIfStatement(node) {
|
|
this.next();
|
|
node.test = this.parseHeaderExpression();
|
|
node.consequent = this.parseStatementOrSloppyAnnexBFunctionDeclaration();
|
|
node.alternate = this.eat(66) ? this.parseStatementOrSloppyAnnexBFunctionDeclaration() : null;
|
|
return this.finishNode(node, "IfStatement");
|
|
}
|
|
parseReturnStatement(node) {
|
|
if (!this.prodParam.hasReturn && !this.options.allowReturnOutsideFunction) {
|
|
this.raise(Errors.IllegalReturn, this.state.startLoc);
|
|
}
|
|
this.next();
|
|
if (this.isLineTerminator()) {
|
|
node.argument = null;
|
|
} else {
|
|
node.argument = this.parseExpression();
|
|
this.semicolon();
|
|
}
|
|
return this.finishNode(node, "ReturnStatement");
|
|
}
|
|
parseSwitchStatement(node) {
|
|
this.next();
|
|
node.discriminant = this.parseHeaderExpression();
|
|
const cases = node.cases = [];
|
|
this.expect(5);
|
|
this.state.labels.push(switchLabel);
|
|
this.scope.enter(0);
|
|
let cur;
|
|
for (let sawDefault; !this.match(8);) {
|
|
if (this.match(61) || this.match(65)) {
|
|
const isCase = this.match(61);
|
|
if (cur) this.finishNode(cur, "SwitchCase");
|
|
cases.push(cur = this.startNode());
|
|
cur.consequent = [];
|
|
this.next();
|
|
if (isCase) {
|
|
cur.test = this.parseExpression();
|
|
} else {
|
|
if (sawDefault) {
|
|
this.raise(Errors.MultipleDefaultsInSwitch, this.state.lastTokStartLoc);
|
|
}
|
|
sawDefault = true;
|
|
cur.test = null;
|
|
}
|
|
this.expect(14);
|
|
} else {
|
|
if (cur) {
|
|
cur.consequent.push(this.parseStatementListItem());
|
|
} else {
|
|
this.unexpected();
|
|
}
|
|
}
|
|
}
|
|
this.scope.exit();
|
|
if (cur) this.finishNode(cur, "SwitchCase");
|
|
this.next();
|
|
this.state.labels.pop();
|
|
return this.finishNode(node, "SwitchStatement");
|
|
}
|
|
parseThrowStatement(node) {
|
|
this.next();
|
|
if (this.hasPrecedingLineBreak()) {
|
|
this.raise(Errors.NewlineAfterThrow, this.state.lastTokEndLoc);
|
|
}
|
|
node.argument = this.parseExpression();
|
|
this.semicolon();
|
|
return this.finishNode(node, "ThrowStatement");
|
|
}
|
|
parseCatchClauseParam() {
|
|
const param = this.parseBindingAtom();
|
|
this.scope.enter(this.options.annexB && param.type === "Identifier" ? 8 : 0);
|
|
this.checkLVal(param, {
|
|
in: {
|
|
type: "CatchClause"
|
|
},
|
|
binding: 9
|
|
});
|
|
return param;
|
|
}
|
|
parseTryStatement(node) {
|
|
this.next();
|
|
node.block = this.parseBlock();
|
|
node.handler = null;
|
|
if (this.match(62)) {
|
|
const clause = this.startNode();
|
|
this.next();
|
|
if (this.match(10)) {
|
|
this.expect(10);
|
|
clause.param = this.parseCatchClauseParam();
|
|
this.expect(11);
|
|
} else {
|
|
clause.param = null;
|
|
this.scope.enter(0);
|
|
}
|
|
clause.body = this.withSmartMixTopicForbiddingContext(() => this.parseBlock(false, false));
|
|
this.scope.exit();
|
|
node.handler = this.finishNode(clause, "CatchClause");
|
|
}
|
|
node.finalizer = this.eat(67) ? this.parseBlock() : null;
|
|
if (!node.handler && !node.finalizer) {
|
|
this.raise(Errors.NoCatchOrFinally, node);
|
|
}
|
|
return this.finishNode(node, "TryStatement");
|
|
}
|
|
parseVarStatement(node, kind, allowMissingInitializer = false) {
|
|
this.next();
|
|
this.parseVar(node, false, kind, allowMissingInitializer);
|
|
this.semicolon();
|
|
return this.finishNode(node, "VariableDeclaration");
|
|
}
|
|
parseWhileStatement(node) {
|
|
this.next();
|
|
node.test = this.parseHeaderExpression();
|
|
this.state.labels.push(loopLabel);
|
|
node.body = this.withSmartMixTopicForbiddingContext(() => this.parseStatement());
|
|
this.state.labels.pop();
|
|
return this.finishNode(node, "WhileStatement");
|
|
}
|
|
parseWithStatement(node) {
|
|
if (this.state.strict) {
|
|
this.raise(Errors.StrictWith, this.state.startLoc);
|
|
}
|
|
this.next();
|
|
node.object = this.parseHeaderExpression();
|
|
node.body = this.withSmartMixTopicForbiddingContext(() => this.parseStatement());
|
|
return this.finishNode(node, "WithStatement");
|
|
}
|
|
parseEmptyStatement(node) {
|
|
this.next();
|
|
return this.finishNode(node, "EmptyStatement");
|
|
}
|
|
parseLabeledStatement(node, maybeName, expr, flags) {
|
|
for (const label of this.state.labels) {
|
|
if (label.name === maybeName) {
|
|
this.raise(Errors.LabelRedeclaration, expr, {
|
|
labelName: maybeName
|
|
});
|
|
}
|
|
}
|
|
const kind = tokenIsLoop(this.state.type) ? 1 : this.match(71) ? 2 : null;
|
|
for (let i = this.state.labels.length - 1; i >= 0; i--) {
|
|
const label = this.state.labels[i];
|
|
if (label.statementStart === node.start) {
|
|
label.statementStart = this.state.start;
|
|
label.kind = kind;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
this.state.labels.push({
|
|
name: maybeName,
|
|
kind: kind,
|
|
statementStart: this.state.start
|
|
});
|
|
node.body = flags & 8 ? this.parseStatementOrSloppyAnnexBFunctionDeclaration(true) : this.parseStatement();
|
|
this.state.labels.pop();
|
|
node.label = expr;
|
|
return this.finishNode(node, "LabeledStatement");
|
|
}
|
|
parseExpressionStatement(node, expr, decorators) {
|
|
node.expression = expr;
|
|
this.semicolon();
|
|
return this.finishNode(node, "ExpressionStatement");
|
|
}
|
|
parseBlock(allowDirectives = false, createNewLexicalScope = true, afterBlockParse) {
|
|
const node = this.startNode();
|
|
if (allowDirectives) {
|
|
this.state.strictErrors.clear();
|
|
}
|
|
this.expect(5);
|
|
if (createNewLexicalScope) {
|
|
this.scope.enter(0);
|
|
}
|
|
this.parseBlockBody(node, allowDirectives, false, 8, afterBlockParse);
|
|
if (createNewLexicalScope) {
|
|
this.scope.exit();
|
|
}
|
|
return this.finishNode(node, "BlockStatement");
|
|
}
|
|
isValidDirective(stmt) {
|
|
return stmt.type === "ExpressionStatement" && stmt.expression.type === "StringLiteral" && !stmt.expression.extra.parenthesized;
|
|
}
|
|
parseBlockBody(node, allowDirectives, topLevel, end, afterBlockParse) {
|
|
const body = node.body = [];
|
|
const directives = node.directives = [];
|
|
this.parseBlockOrModuleBlockBody(body, allowDirectives ? directives : undefined, topLevel, end, afterBlockParse);
|
|
}
|
|
parseBlockOrModuleBlockBody(body, directives, topLevel, end, afterBlockParse) {
|
|
const oldStrict = this.state.strict;
|
|
let hasStrictModeDirective = false;
|
|
let parsedNonDirective = false;
|
|
while (!this.match(end)) {
|
|
const stmt = topLevel ? this.parseModuleItem() : this.parseStatementListItem();
|
|
if (directives && !parsedNonDirective) {
|
|
if (this.isValidDirective(stmt)) {
|
|
const directive = this.stmtToDirective(stmt);
|
|
directives.push(directive);
|
|
if (!hasStrictModeDirective && directive.value.value === "use strict") {
|
|
hasStrictModeDirective = true;
|
|
this.setStrict(true);
|
|
}
|
|
continue;
|
|
}
|
|
parsedNonDirective = true;
|
|
this.state.strictErrors.clear();
|
|
}
|
|
body.push(stmt);
|
|
}
|
|
afterBlockParse == null || afterBlockParse.call(this, hasStrictModeDirective);
|
|
if (!oldStrict) {
|
|
this.setStrict(false);
|
|
}
|
|
this.next();
|
|
}
|
|
parseFor(node, init) {
|
|
node.init = init;
|
|
this.semicolon(false);
|
|
node.test = this.match(13) ? null : this.parseExpression();
|
|
this.semicolon(false);
|
|
node.update = this.match(11) ? null : this.parseExpression();
|
|
this.expect(11);
|
|
node.body = this.withSmartMixTopicForbiddingContext(() => this.parseStatement());
|
|
this.scope.exit();
|
|
this.state.labels.pop();
|
|
return this.finishNode(node, "ForStatement");
|
|
}
|
|
parseForIn(node, init, awaitAt) {
|
|
const isForIn = this.match(58);
|
|
this.next();
|
|
if (isForIn) {
|
|
if (awaitAt !== null) this.unexpected(awaitAt);
|
|
} else {
|
|
node.await = awaitAt !== null;
|
|
}
|
|
if (init.type === "VariableDeclaration" && init.declarations[0].init != null && (!isForIn || !this.options.annexB || this.state.strict || init.kind !== "var" || init.declarations[0].id.type !== "Identifier")) {
|
|
this.raise(Errors.ForInOfLoopInitializer, init, {
|
|
type: isForIn ? "ForInStatement" : "ForOfStatement"
|
|
});
|
|
}
|
|
if (init.type === "AssignmentPattern") {
|
|
this.raise(Errors.InvalidLhs, init, {
|
|
ancestor: {
|
|
type: "ForStatement"
|
|
}
|
|
});
|
|
}
|
|
node.left = init;
|
|
node.right = isForIn ? this.parseExpression() : this.parseMaybeAssignAllowIn();
|
|
this.expect(11);
|
|
node.body = this.withSmartMixTopicForbiddingContext(() => this.parseStatement());
|
|
this.scope.exit();
|
|
this.state.labels.pop();
|
|
return this.finishNode(node, isForIn ? "ForInStatement" : "ForOfStatement");
|
|
}
|
|
parseVar(node, isFor, kind, allowMissingInitializer = false) {
|
|
const declarations = node.declarations = [];
|
|
node.kind = kind;
|
|
for (;;) {
|
|
const decl = this.startNode();
|
|
this.parseVarId(decl, kind);
|
|
decl.init = !this.eat(29) ? null : isFor ? this.parseMaybeAssignDisallowIn() : this.parseMaybeAssignAllowIn();
|
|
if (decl.init === null && !allowMissingInitializer) {
|
|
if (decl.id.type !== "Identifier" && !(isFor && (this.match(58) || this.isContextual(102)))) {
|
|
this.raise(Errors.DeclarationMissingInitializer, this.state.lastTokEndLoc, {
|
|
kind: "destructuring"
|
|
});
|
|
} else if ((kind === "const" || kind === "using" || kind === "await using") && !(this.match(58) || this.isContextual(102))) {
|
|
this.raise(Errors.DeclarationMissingInitializer, this.state.lastTokEndLoc, {
|
|
kind
|
|
});
|
|
}
|
|
}
|
|
declarations.push(this.finishNode(decl, "VariableDeclarator"));
|
|
if (!this.eat(12)) break;
|
|
}
|
|
return node;
|
|
}
|
|
parseVarId(decl, kind) {
|
|
const id = this.parseBindingAtom();
|
|
this.checkLVal(id, {
|
|
in: {
|
|
type: "VariableDeclarator"
|
|
},
|
|
binding: kind === "var" ? 5 : 8201
|
|
});
|
|
decl.id = id;
|
|
}
|
|
parseAsyncFunctionExpression(node) {
|
|
return this.parseFunction(node, 8);
|
|
}
|
|
parseFunction(node, flags = 0) {
|
|
const hangingDeclaration = flags & 2;
|
|
const isDeclaration = !!(flags & 1);
|
|
const requireId = isDeclaration && !(flags & 4);
|
|
const isAsync = !!(flags & 8);
|
|
this.initFunction(node, isAsync);
|
|
if (this.match(55)) {
|
|
if (hangingDeclaration) {
|
|
this.raise(Errors.GeneratorInSingleStatementContext, this.state.startLoc);
|
|
}
|
|
this.next();
|
|
node.generator = true;
|
|
}
|
|
if (isDeclaration) {
|
|
node.id = this.parseFunctionId(requireId);
|
|
}
|
|
const oldMaybeInArrowParameters = this.state.maybeInArrowParameters;
|
|
this.state.maybeInArrowParameters = false;
|
|
this.scope.enter(2);
|
|
this.prodParam.enter(functionFlags(isAsync, node.generator));
|
|
if (!isDeclaration) {
|
|
node.id = this.parseFunctionId();
|
|
}
|
|
this.parseFunctionParams(node, false);
|
|
this.withSmartMixTopicForbiddingContext(() => {
|
|
this.parseFunctionBodyAndFinish(node, isDeclaration ? "FunctionDeclaration" : "FunctionExpression");
|
|
});
|
|
this.prodParam.exit();
|
|
this.scope.exit();
|
|
if (isDeclaration && !hangingDeclaration) {
|
|
this.registerFunctionStatementId(node);
|
|
}
|
|
this.state.maybeInArrowParameters = oldMaybeInArrowParameters;
|
|
return node;
|
|
}
|
|
parseFunctionId(requireId) {
|
|
return requireId || tokenIsIdentifier(this.state.type) ? this.parseIdentifier() : null;
|
|
}
|
|
parseFunctionParams(node, isConstructor) {
|
|
this.expect(10);
|
|
this.expressionScope.enter(newParameterDeclarationScope());
|
|
node.params = this.parseBindingList(11, 41, 2 | (isConstructor ? 4 : 0));
|
|
this.expressionScope.exit();
|
|
}
|
|
registerFunctionStatementId(node) {
|
|
if (!node.id) return;
|
|
this.scope.declareName(node.id.name, !this.options.annexB || this.state.strict || node.generator || node.async ? this.scope.treatFunctionsAsVar ? 5 : 8201 : 17, node.id.loc.start);
|
|
}
|
|
parseClass(node, isStatement, optionalId) {
|
|
this.next();
|
|
const oldStrict = this.state.strict;
|
|
this.state.strict = true;
|
|
this.parseClassId(node, isStatement, optionalId);
|
|
this.parseClassSuper(node);
|
|
node.body = this.parseClassBody(!!node.superClass, oldStrict);
|
|
return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression");
|
|
}
|
|
isClassProperty() {
|
|
return this.match(29) || this.match(13) || this.match(8);
|
|
}
|
|
isClassMethod() {
|
|
return this.match(10);
|
|
}
|
|
isNonstaticConstructor(method) {
|
|
return !method.computed && !method.static && (method.key.name === "constructor" || method.key.value === "constructor");
|
|
}
|
|
parseClassBody(hadSuperClass, oldStrict) {
|
|
this.classScope.enter();
|
|
const state = {
|
|
hadConstructor: false,
|
|
hadSuperClass
|
|
};
|
|
let decorators = [];
|
|
const classBody = this.startNode();
|
|
classBody.body = [];
|
|
this.expect(5);
|
|
this.withSmartMixTopicForbiddingContext(() => {
|
|
while (!this.match(8)) {
|
|
if (this.eat(13)) {
|
|
if (decorators.length > 0) {
|
|
throw this.raise(Errors.DecoratorSemicolon, this.state.lastTokEndLoc);
|
|
}
|
|
continue;
|
|
}
|
|
if (this.match(26)) {
|
|
decorators.push(this.parseDecorator());
|
|
continue;
|
|
}
|
|
const member = this.startNode();
|
|
if (decorators.length) {
|
|
member.decorators = decorators;
|
|
this.resetStartLocationFromNode(member, decorators[0]);
|
|
decorators = [];
|
|
}
|
|
this.parseClassMember(classBody, member, state);
|
|
if (member.kind === "constructor" && member.decorators && member.decorators.length > 0) {
|
|
this.raise(Errors.DecoratorConstructor, member);
|
|
}
|
|
}
|
|
});
|
|
this.state.strict = oldStrict;
|
|
this.next();
|
|
if (decorators.length) {
|
|
throw this.raise(Errors.TrailingDecorator, this.state.startLoc);
|
|
}
|
|
this.classScope.exit();
|
|
return this.finishNode(classBody, "ClassBody");
|
|
}
|
|
parseClassMemberFromModifier(classBody, member) {
|
|
const key = this.parseIdentifier(true);
|
|
if (this.isClassMethod()) {
|
|
const method = member;
|
|
method.kind = "method";
|
|
method.computed = false;
|
|
method.key = key;
|
|
method.static = false;
|
|
this.pushClassMethod(classBody, method, false, false, false, false);
|
|
return true;
|
|
} else if (this.isClassProperty()) {
|
|
const prop = member;
|
|
prop.computed = false;
|
|
prop.key = key;
|
|
prop.static = false;
|
|
classBody.body.push(this.parseClassProperty(prop));
|
|
return true;
|
|
}
|
|
this.resetPreviousNodeTrailingComments(key);
|
|
return false;
|
|
}
|
|
parseClassMember(classBody, member, state) {
|
|
const isStatic = this.isContextual(106);
|
|
if (isStatic) {
|
|
if (this.parseClassMemberFromModifier(classBody, member)) {
|
|
return;
|
|
}
|
|
if (this.eat(5)) {
|
|
this.parseClassStaticBlock(classBody, member);
|
|
return;
|
|
}
|
|
}
|
|
this.parseClassMemberWithIsStatic(classBody, member, state, isStatic);
|
|
}
|
|
parseClassMemberWithIsStatic(classBody, member, state, isStatic) {
|
|
const publicMethod = member;
|
|
const privateMethod = member;
|
|
const publicProp = member;
|
|
const privateProp = member;
|
|
const accessorProp = member;
|
|
const method = publicMethod;
|
|
const publicMember = publicMethod;
|
|
member.static = isStatic;
|
|
this.parsePropertyNamePrefixOperator(member);
|
|
if (this.eat(55)) {
|
|
method.kind = "method";
|
|
const isPrivateName = this.match(138);
|
|
this.parseClassElementName(method);
|
|
if (isPrivateName) {
|
|
this.pushClassPrivateMethod(classBody, privateMethod, true, false);
|
|
return;
|
|
}
|
|
if (this.isNonstaticConstructor(publicMethod)) {
|
|
this.raise(Errors.ConstructorIsGenerator, publicMethod.key);
|
|
}
|
|
this.pushClassMethod(classBody, publicMethod, true, false, false, false);
|
|
return;
|
|
}
|
|
const isContextual = tokenIsIdentifier(this.state.type) && !this.state.containsEsc;
|
|
const isPrivate = this.match(138);
|
|
const key = this.parseClassElementName(member);
|
|
const maybeQuestionTokenStartLoc = this.state.startLoc;
|
|
this.parsePostMemberNameModifiers(publicMember);
|
|
if (this.isClassMethod()) {
|
|
method.kind = "method";
|
|
if (isPrivate) {
|
|
this.pushClassPrivateMethod(classBody, privateMethod, false, false);
|
|
return;
|
|
}
|
|
const isConstructor = this.isNonstaticConstructor(publicMethod);
|
|
let allowsDirectSuper = false;
|
|
if (isConstructor) {
|
|
publicMethod.kind = "constructor";
|
|
if (state.hadConstructor && !this.hasPlugin("typescript")) {
|
|
this.raise(Errors.DuplicateConstructor, key);
|
|
}
|
|
if (isConstructor && this.hasPlugin("typescript") && member.override) {
|
|
this.raise(Errors.OverrideOnConstructor, key);
|
|
}
|
|
state.hadConstructor = true;
|
|
allowsDirectSuper = state.hadSuperClass;
|
|
}
|
|
this.pushClassMethod(classBody, publicMethod, false, false, isConstructor, allowsDirectSuper);
|
|
} else if (this.isClassProperty()) {
|
|
if (isPrivate) {
|
|
this.pushClassPrivateProperty(classBody, privateProp);
|
|
} else {
|
|
this.pushClassProperty(classBody, publicProp);
|
|
}
|
|
} else if (isContextual && key.name === "async" && !this.isLineTerminator()) {
|
|
this.resetPreviousNodeTrailingComments(key);
|
|
const isGenerator = this.eat(55);
|
|
if (publicMember.optional) {
|
|
this.unexpected(maybeQuestionTokenStartLoc);
|
|
}
|
|
method.kind = "method";
|
|
const isPrivate = this.match(138);
|
|
this.parseClassElementName(method);
|
|
this.parsePostMemberNameModifiers(publicMember);
|
|
if (isPrivate) {
|
|
this.pushClassPrivateMethod(classBody, privateMethod, isGenerator, true);
|
|
} else {
|
|
if (this.isNonstaticConstructor(publicMethod)) {
|
|
this.raise(Errors.ConstructorIsAsync, publicMethod.key);
|
|
}
|
|
this.pushClassMethod(classBody, publicMethod, isGenerator, true, false, false);
|
|
}
|
|
} else if (isContextual && (key.name === "get" || key.name === "set") && !(this.match(55) && this.isLineTerminator())) {
|
|
this.resetPreviousNodeTrailingComments(key);
|
|
method.kind = key.name;
|
|
const isPrivate = this.match(138);
|
|
this.parseClassElementName(publicMethod);
|
|
if (isPrivate) {
|
|
this.pushClassPrivateMethod(classBody, privateMethod, false, false);
|
|
} else {
|
|
if (this.isNonstaticConstructor(publicMethod)) {
|
|
this.raise(Errors.ConstructorIsAccessor, publicMethod.key);
|
|
}
|
|
this.pushClassMethod(classBody, publicMethod, false, false, false, false);
|
|
}
|
|
this.checkGetterSetterParams(publicMethod);
|
|
} else if (isContextual && key.name === "accessor" && !this.isLineTerminator()) {
|
|
this.expectPlugin("decoratorAutoAccessors");
|
|
this.resetPreviousNodeTrailingComments(key);
|
|
const isPrivate = this.match(138);
|
|
this.parseClassElementName(publicProp);
|
|
this.pushClassAccessorProperty(classBody, accessorProp, isPrivate);
|
|
} else if (this.isLineTerminator()) {
|
|
if (isPrivate) {
|
|
this.pushClassPrivateProperty(classBody, privateProp);
|
|
} else {
|
|
this.pushClassProperty(classBody, publicProp);
|
|
}
|
|
} else {
|
|
this.unexpected();
|
|
}
|
|
}
|
|
parseClassElementName(member) {
|
|
const {
|
|
type,
|
|
value
|
|
} = this.state;
|
|
if ((type === 132 || type === 133) && member.static && value === "prototype") {
|
|
this.raise(Errors.StaticPrototype, this.state.startLoc);
|
|
}
|
|
if (type === 138) {
|
|
if (value === "constructor") {
|
|
this.raise(Errors.ConstructorClassPrivateField, this.state.startLoc);
|
|
}
|
|
const key = this.parsePrivateName();
|
|
member.key = key;
|
|
return key;
|
|
}
|
|
return this.parsePropertyName(member);
|
|
}
|
|
parseClassStaticBlock(classBody, member) {
|
|
var _member$decorators;
|
|
this.scope.enter(64 | 128 | 16);
|
|
const oldLabels = this.state.labels;
|
|
this.state.labels = [];
|
|
this.prodParam.enter(0);
|
|
const body = member.body = [];
|
|
this.parseBlockOrModuleBlockBody(body, undefined, false, 8);
|
|
this.prodParam.exit();
|
|
this.scope.exit();
|
|
this.state.labels = oldLabels;
|
|
classBody.body.push(this.finishNode(member, "StaticBlock"));
|
|
if ((_member$decorators = member.decorators) != null && _member$decorators.length) {
|
|
this.raise(Errors.DecoratorStaticBlock, member);
|
|
}
|
|
}
|
|
pushClassProperty(classBody, prop) {
|
|
if (!prop.computed && (prop.key.name === "constructor" || prop.key.value === "constructor")) {
|
|
this.raise(Errors.ConstructorClassField, prop.key);
|
|
}
|
|
classBody.body.push(this.parseClassProperty(prop));
|
|
}
|
|
pushClassPrivateProperty(classBody, prop) {
|
|
const node = this.parseClassPrivateProperty(prop);
|
|
classBody.body.push(node);
|
|
this.classScope.declarePrivateName(this.getPrivateNameSV(node.key), 0, node.key.loc.start);
|
|
}
|
|
pushClassAccessorProperty(classBody, prop, isPrivate) {
|
|
if (!isPrivate && !prop.computed) {
|
|
const key = prop.key;
|
|
if (key.name === "constructor" || key.value === "constructor") {
|
|
this.raise(Errors.ConstructorClassField, key);
|
|
}
|
|
}
|
|
const node = this.parseClassAccessorProperty(prop);
|
|
classBody.body.push(node);
|
|
if (isPrivate) {
|
|
this.classScope.declarePrivateName(this.getPrivateNameSV(node.key), 0, node.key.loc.start);
|
|
}
|
|
}
|
|
pushClassMethod(classBody, method, isGenerator, isAsync, isConstructor, allowsDirectSuper) {
|
|
classBody.body.push(this.parseMethod(method, isGenerator, isAsync, isConstructor, allowsDirectSuper, "ClassMethod", true));
|
|
}
|
|
pushClassPrivateMethod(classBody, method, isGenerator, isAsync) {
|
|
const node = this.parseMethod(method, isGenerator, isAsync, false, false, "ClassPrivateMethod", true);
|
|
classBody.body.push(node);
|
|
const kind = node.kind === "get" ? node.static ? 6 : 2 : node.kind === "set" ? node.static ? 5 : 1 : 0;
|
|
this.declareClassPrivateMethodInScope(node, kind);
|
|
}
|
|
declareClassPrivateMethodInScope(node, kind) {
|
|
this.classScope.declarePrivateName(this.getPrivateNameSV(node.key), kind, node.key.loc.start);
|
|
}
|
|
parsePostMemberNameModifiers(methodOrProp) {}
|
|
parseClassPrivateProperty(node) {
|
|
this.parseInitializer(node);
|
|
this.semicolon();
|
|
return this.finishNode(node, "ClassPrivateProperty");
|
|
}
|
|
parseClassProperty(node) {
|
|
this.parseInitializer(node);
|
|
this.semicolon();
|
|
return this.finishNode(node, "ClassProperty");
|
|
}
|
|
parseClassAccessorProperty(node) {
|
|
this.parseInitializer(node);
|
|
this.semicolon();
|
|
return this.finishNode(node, "ClassAccessorProperty");
|
|
}
|
|
parseInitializer(node) {
|
|
this.scope.enter(64 | 16);
|
|
this.expressionScope.enter(newExpressionScope());
|
|
this.prodParam.enter(0);
|
|
node.value = this.eat(29) ? this.parseMaybeAssignAllowIn() : null;
|
|
this.expressionScope.exit();
|
|
this.prodParam.exit();
|
|
this.scope.exit();
|
|
}
|
|
parseClassId(node, isStatement, optionalId, bindingType = 8331) {
|
|
if (tokenIsIdentifier(this.state.type)) {
|
|
node.id = this.parseIdentifier();
|
|
if (isStatement) {
|
|
this.declareNameFromIdentifier(node.id, bindingType);
|
|
}
|
|
} else {
|
|
if (optionalId || !isStatement) {
|
|
node.id = null;
|
|
} else {
|
|
throw this.raise(Errors.MissingClassName, this.state.startLoc);
|
|
}
|
|
}
|
|
}
|
|
parseClassSuper(node) {
|
|
node.superClass = this.eat(81) ? this.parseExprSubscripts() : null;
|
|
}
|
|
parseExport(node, decorators) {
|
|
const maybeDefaultIdentifier = this.parseMaybeImportPhase(node, true);
|
|
const hasDefault = this.maybeParseExportDefaultSpecifier(node, maybeDefaultIdentifier);
|
|
const parseAfterDefault = !hasDefault || this.eat(12);
|
|
const hasStar = parseAfterDefault && this.eatExportStar(node);
|
|
const hasNamespace = hasStar && this.maybeParseExportNamespaceSpecifier(node);
|
|
const parseAfterNamespace = parseAfterDefault && (!hasNamespace || this.eat(12));
|
|
const isFromRequired = hasDefault || hasStar;
|
|
if (hasStar && !hasNamespace) {
|
|
if (hasDefault) this.unexpected();
|
|
if (decorators) {
|
|
throw this.raise(Errors.UnsupportedDecoratorExport, node);
|
|
}
|
|
this.parseExportFrom(node, true);
|
|
return this.finishNode(node, "ExportAllDeclaration");
|
|
}
|
|
const hasSpecifiers = this.maybeParseExportNamedSpecifiers(node);
|
|
if (hasDefault && parseAfterDefault && !hasStar && !hasSpecifiers) {
|
|
this.unexpected(null, 5);
|
|
}
|
|
if (hasNamespace && parseAfterNamespace) {
|
|
this.unexpected(null, 98);
|
|
}
|
|
let hasDeclaration;
|
|
if (isFromRequired || hasSpecifiers) {
|
|
hasDeclaration = false;
|
|
if (decorators) {
|
|
throw this.raise(Errors.UnsupportedDecoratorExport, node);
|
|
}
|
|
this.parseExportFrom(node, isFromRequired);
|
|
} else {
|
|
hasDeclaration = this.maybeParseExportDeclaration(node);
|
|
}
|
|
if (isFromRequired || hasSpecifiers || hasDeclaration) {
|
|
var _node2$declaration;
|
|
const node2 = node;
|
|
this.checkExport(node2, true, false, !!node2.source);
|
|
if (((_node2$declaration = node2.declaration) == null ? void 0 : _node2$declaration.type) === "ClassDeclaration") {
|
|
this.maybeTakeDecorators(decorators, node2.declaration, node2);
|
|
} else if (decorators) {
|
|
throw this.raise(Errors.UnsupportedDecoratorExport, node);
|
|
}
|
|
return this.finishNode(node2, "ExportNamedDeclaration");
|
|
}
|
|
if (this.eat(65)) {
|
|
const node2 = node;
|
|
const decl = this.parseExportDefaultExpression();
|
|
node2.declaration = decl;
|
|
if (decl.type === "ClassDeclaration") {
|
|
this.maybeTakeDecorators(decorators, decl, node2);
|
|
} else if (decorators) {
|
|
throw this.raise(Errors.UnsupportedDecoratorExport, node);
|
|
}
|
|
this.checkExport(node2, true, true);
|
|
return this.finishNode(node2, "ExportDefaultDeclaration");
|
|
}
|
|
this.unexpected(null, 5);
|
|
}
|
|
eatExportStar(node) {
|
|
return this.eat(55);
|
|
}
|
|
maybeParseExportDefaultSpecifier(node, maybeDefaultIdentifier) {
|
|
if (maybeDefaultIdentifier || this.isExportDefaultSpecifier()) {
|
|
this.expectPlugin("exportDefaultFrom", maybeDefaultIdentifier == null ? void 0 : maybeDefaultIdentifier.loc.start);
|
|
const id = maybeDefaultIdentifier || this.parseIdentifier(true);
|
|
const specifier = this.startNodeAtNode(id);
|
|
specifier.exported = id;
|
|
node.specifiers = [this.finishNode(specifier, "ExportDefaultSpecifier")];
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
maybeParseExportNamespaceSpecifier(node) {
|
|
if (this.isContextual(93)) {
|
|
if (!node.specifiers) node.specifiers = [];
|
|
const specifier = this.startNodeAt(this.state.lastTokStartLoc);
|
|
this.next();
|
|
specifier.exported = this.parseModuleExportName();
|
|
node.specifiers.push(this.finishNode(specifier, "ExportNamespaceSpecifier"));
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
maybeParseExportNamedSpecifiers(node) {
|
|
if (this.match(5)) {
|
|
if (!node.specifiers) node.specifiers = [];
|
|
const isTypeExport = node.exportKind === "type";
|
|
node.specifiers.push(...this.parseExportSpecifiers(isTypeExport));
|
|
node.source = null;
|
|
node.declaration = null;
|
|
if (this.hasPlugin("importAssertions")) {
|
|
node.assertions = [];
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
maybeParseExportDeclaration(node) {
|
|
if (this.shouldParseExportDeclaration()) {
|
|
node.specifiers = [];
|
|
node.source = null;
|
|
if (this.hasPlugin("importAssertions")) {
|
|
node.assertions = [];
|
|
}
|
|
node.declaration = this.parseExportDeclaration(node);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
isAsyncFunction() {
|
|
if (!this.isContextual(95)) return false;
|
|
const next = this.nextTokenInLineStart();
|
|
return this.isUnparsedContextual(next, "function");
|
|
}
|
|
parseExportDefaultExpression() {
|
|
const expr = this.startNode();
|
|
if (this.match(68)) {
|
|
this.next();
|
|
return this.parseFunction(expr, 1 | 4);
|
|
} else if (this.isAsyncFunction()) {
|
|
this.next();
|
|
this.next();
|
|
return this.parseFunction(expr, 1 | 4 | 8);
|
|
}
|
|
if (this.match(80)) {
|
|
return this.parseClass(expr, true, true);
|
|
}
|
|
if (this.match(26)) {
|
|
if (this.hasPlugin("decorators") && this.getPluginOption("decorators", "decoratorsBeforeExport") === true) {
|
|
this.raise(Errors.DecoratorBeforeExport, this.state.startLoc);
|
|
}
|
|
return this.parseClass(this.maybeTakeDecorators(this.parseDecorators(false), this.startNode()), true, true);
|
|
}
|
|
if (this.match(75) || this.match(74) || this.isLet()) {
|
|
throw this.raise(Errors.UnsupportedDefaultExport, this.state.startLoc);
|
|
}
|
|
const res = this.parseMaybeAssignAllowIn();
|
|
this.semicolon();
|
|
return res;
|
|
}
|
|
parseExportDeclaration(node) {
|
|
if (this.match(80)) {
|
|
const node = this.parseClass(this.startNode(), true, false);
|
|
return node;
|
|
}
|
|
return this.parseStatementListItem();
|
|
}
|
|
isExportDefaultSpecifier() {
|
|
const {
|
|
type
|
|
} = this.state;
|
|
if (tokenIsIdentifier(type)) {
|
|
if (type === 95 && !this.state.containsEsc || type === 100) {
|
|
return false;
|
|
}
|
|
if ((type === 130 || type === 129) && !this.state.containsEsc) {
|
|
const {
|
|
type: nextType
|
|
} = this.lookahead();
|
|
if (tokenIsIdentifier(nextType) && nextType !== 98 || nextType === 5) {
|
|
this.expectOnePlugin(["flow", "typescript"]);
|
|
return false;
|
|
}
|
|
}
|
|
} else if (!this.match(65)) {
|
|
return false;
|
|
}
|
|
const next = this.nextTokenStart();
|
|
const hasFrom = this.isUnparsedContextual(next, "from");
|
|
if (this.input.charCodeAt(next) === 44 || tokenIsIdentifier(this.state.type) && hasFrom) {
|
|
return true;
|
|
}
|
|
if (this.match(65) && hasFrom) {
|
|
const nextAfterFrom = this.input.charCodeAt(this.nextTokenStartSince(next + 4));
|
|
return nextAfterFrom === 34 || nextAfterFrom === 39;
|
|
}
|
|
return false;
|
|
}
|
|
parseExportFrom(node, expect) {
|
|
if (this.eatContextual(98)) {
|
|
node.source = this.parseImportSource();
|
|
this.checkExport(node);
|
|
this.maybeParseImportAttributes(node);
|
|
this.checkJSONModuleImport(node);
|
|
} else if (expect) {
|
|
this.unexpected();
|
|
}
|
|
this.semicolon();
|
|
}
|
|
shouldParseExportDeclaration() {
|
|
const {
|
|
type
|
|
} = this.state;
|
|
if (type === 26) {
|
|
this.expectOnePlugin(["decorators", "decorators-legacy"]);
|
|
if (this.hasPlugin("decorators")) {
|
|
if (this.getPluginOption("decorators", "decoratorsBeforeExport") === true) {
|
|
this.raise(Errors.DecoratorBeforeExport, this.state.startLoc);
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
return type === 74 || type === 75 || type === 68 || type === 80 || this.isLet() || this.isAsyncFunction();
|
|
}
|
|
checkExport(node, checkNames, isDefault, isFrom) {
|
|
if (checkNames) {
|
|
var _node$specifiers;
|
|
if (isDefault) {
|
|
this.checkDuplicateExports(node, "default");
|
|
if (this.hasPlugin("exportDefaultFrom")) {
|
|
var _declaration$extra;
|
|
const declaration = node.declaration;
|
|
if (declaration.type === "Identifier" && declaration.name === "from" && declaration.end - declaration.start === 4 && !((_declaration$extra = declaration.extra) != null && _declaration$extra.parenthesized)) {
|
|
this.raise(Errors.ExportDefaultFromAsIdentifier, declaration);
|
|
}
|
|
}
|
|
} else if ((_node$specifiers = node.specifiers) != null && _node$specifiers.length) {
|
|
for (const specifier of node.specifiers) {
|
|
const {
|
|
exported
|
|
} = specifier;
|
|
const exportName = exported.type === "Identifier" ? exported.name : exported.value;
|
|
this.checkDuplicateExports(specifier, exportName);
|
|
if (!isFrom && specifier.local) {
|
|
const {
|
|
local
|
|
} = specifier;
|
|
if (local.type !== "Identifier") {
|
|
this.raise(Errors.ExportBindingIsString, specifier, {
|
|
localName: local.value,
|
|
exportName
|
|
});
|
|
} else {
|
|
this.checkReservedWord(local.name, local.loc.start, true, false);
|
|
this.scope.checkLocalExport(local);
|
|
}
|
|
}
|
|
}
|
|
} else if (node.declaration) {
|
|
if (node.declaration.type === "FunctionDeclaration" || node.declaration.type === "ClassDeclaration") {
|
|
const id = node.declaration.id;
|
|
if (!id) throw new Error("Assertion failure");
|
|
this.checkDuplicateExports(node, id.name);
|
|
} else if (node.declaration.type === "VariableDeclaration") {
|
|
for (const declaration of node.declaration.declarations) {
|
|
this.checkDeclaration(declaration.id);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
checkDeclaration(node) {
|
|
if (node.type === "Identifier") {
|
|
this.checkDuplicateExports(node, node.name);
|
|
} else if (node.type === "ObjectPattern") {
|
|
for (const prop of node.properties) {
|
|
this.checkDeclaration(prop);
|
|
}
|
|
} else if (node.type === "ArrayPattern") {
|
|
for (const elem of node.elements) {
|
|
if (elem) {
|
|
this.checkDeclaration(elem);
|
|
}
|
|
}
|
|
} else if (node.type === "ObjectProperty") {
|
|
this.checkDeclaration(node.value);
|
|
} else if (node.type === "RestElement") {
|
|
this.checkDeclaration(node.argument);
|
|
} else if (node.type === "AssignmentPattern") {
|
|
this.checkDeclaration(node.left);
|
|
}
|
|
}
|
|
checkDuplicateExports(node, exportName) {
|
|
if (this.exportedIdentifiers.has(exportName)) {
|
|
if (exportName === "default") {
|
|
this.raise(Errors.DuplicateDefaultExport, node);
|
|
} else {
|
|
this.raise(Errors.DuplicateExport, node, {
|
|
exportName
|
|
});
|
|
}
|
|
}
|
|
this.exportedIdentifiers.add(exportName);
|
|
}
|
|
parseExportSpecifiers(isInTypeExport) {
|
|
const nodes = [];
|
|
let first = true;
|
|
this.expect(5);
|
|
while (!this.eat(8)) {
|
|
if (first) {
|
|
first = false;
|
|
} else {
|
|
this.expect(12);
|
|
if (this.eat(8)) break;
|
|
}
|
|
const isMaybeTypeOnly = this.isContextual(130);
|
|
const isString = this.match(133);
|
|
const node = this.startNode();
|
|
node.local = this.parseModuleExportName();
|
|
nodes.push(this.parseExportSpecifier(node, isString, isInTypeExport, isMaybeTypeOnly));
|
|
}
|
|
return nodes;
|
|
}
|
|
parseExportSpecifier(node, isString, isInTypeExport, isMaybeTypeOnly) {
|
|
if (this.eatContextual(93)) {
|
|
node.exported = this.parseModuleExportName();
|
|
} else if (isString) {
|
|
node.exported = cloneStringLiteral(node.local);
|
|
} else if (!node.exported) {
|
|
node.exported = cloneIdentifier(node.local);
|
|
}
|
|
return this.finishNode(node, "ExportSpecifier");
|
|
}
|
|
parseModuleExportName() {
|
|
if (this.match(133)) {
|
|
const result = this.parseStringLiteral(this.state.value);
|
|
const surrogate = result.value.match(loneSurrogate);
|
|
if (surrogate) {
|
|
this.raise(Errors.ModuleExportNameHasLoneSurrogate, result, {
|
|
surrogateCharCode: surrogate[0].charCodeAt(0)
|
|
});
|
|
}
|
|
return result;
|
|
}
|
|
return this.parseIdentifier(true);
|
|
}
|
|
isJSONModuleImport(node) {
|
|
if (node.assertions != null) {
|
|
return node.assertions.some(({
|
|
key,
|
|
value
|
|
}) => {
|
|
return value.value === "json" && (key.type === "Identifier" ? key.name === "type" : key.value === "type");
|
|
});
|
|
}
|
|
return false;
|
|
}
|
|
checkImportReflection(node) {
|
|
const {
|
|
specifiers
|
|
} = node;
|
|
const singleBindingType = specifiers.length === 1 ? specifiers[0].type : null;
|
|
if (node.phase === "source") {
|
|
if (singleBindingType !== "ImportDefaultSpecifier") {
|
|
this.raise(Errors.SourcePhaseImportRequiresDefault, specifiers[0].loc.start);
|
|
}
|
|
} else if (node.phase === "defer") {
|
|
if (singleBindingType !== "ImportNamespaceSpecifier") {
|
|
this.raise(Errors.DeferImportRequiresNamespace, specifiers[0].loc.start);
|
|
}
|
|
} else if (node.module) {
|
|
var _node$assertions;
|
|
if (singleBindingType !== "ImportDefaultSpecifier") {
|
|
this.raise(Errors.ImportReflectionNotBinding, specifiers[0].loc.start);
|
|
}
|
|
if (((_node$assertions = node.assertions) == null ? void 0 : _node$assertions.length) > 0) {
|
|
this.raise(Errors.ImportReflectionHasAssertion, specifiers[0].loc.start);
|
|
}
|
|
}
|
|
}
|
|
checkJSONModuleImport(node) {
|
|
if (this.isJSONModuleImport(node) && node.type !== "ExportAllDeclaration") {
|
|
const {
|
|
specifiers
|
|
} = node;
|
|
if (specifiers != null) {
|
|
const nonDefaultNamedSpecifier = specifiers.find(specifier => {
|
|
let imported;
|
|
if (specifier.type === "ExportSpecifier") {
|
|
imported = specifier.local;
|
|
} else if (specifier.type === "ImportSpecifier") {
|
|
imported = specifier.imported;
|
|
}
|
|
if (imported !== undefined) {
|
|
return imported.type === "Identifier" ? imported.name !== "default" : imported.value !== "default";
|
|
}
|
|
});
|
|
if (nonDefaultNamedSpecifier !== undefined) {
|
|
this.raise(Errors.ImportJSONBindingNotDefault, nonDefaultNamedSpecifier.loc.start);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
isPotentialImportPhase(isExport) {
|
|
if (isExport) return false;
|
|
return this.isContextual(105) || this.isContextual(97) || this.isContextual(127);
|
|
}
|
|
applyImportPhase(node, isExport, phase, loc) {
|
|
if (isExport) {
|
|
return;
|
|
}
|
|
if (phase === "module") {
|
|
this.expectPlugin("importReflection", loc);
|
|
node.module = true;
|
|
} else if (this.hasPlugin("importReflection")) {
|
|
node.module = false;
|
|
}
|
|
if (phase === "source") {
|
|
this.expectPlugin("sourcePhaseImports", loc);
|
|
node.phase = "source";
|
|
} else if (phase === "defer") {
|
|
this.expectPlugin("deferredImportEvaluation", loc);
|
|
node.phase = "defer";
|
|
} else if (this.hasPlugin("sourcePhaseImports")) {
|
|
node.phase = null;
|
|
}
|
|
}
|
|
parseMaybeImportPhase(node, isExport) {
|
|
if (!this.isPotentialImportPhase(isExport)) {
|
|
this.applyImportPhase(node, isExport, null);
|
|
return null;
|
|
}
|
|
const phaseIdentifier = this.parseIdentifier(true);
|
|
const {
|
|
type
|
|
} = this.state;
|
|
const isImportPhase = tokenIsKeywordOrIdentifier(type) ? type !== 98 || this.lookaheadCharCode() === 102 : type !== 12;
|
|
if (isImportPhase) {
|
|
this.resetPreviousIdentifierLeadingComments(phaseIdentifier);
|
|
this.applyImportPhase(node, isExport, phaseIdentifier.name, phaseIdentifier.loc.start);
|
|
return null;
|
|
} else {
|
|
this.applyImportPhase(node, isExport, null);
|
|
return phaseIdentifier;
|
|
}
|
|
}
|
|
isPrecedingIdImportPhase(phase) {
|
|
const {
|
|
type
|
|
} = this.state;
|
|
return tokenIsIdentifier(type) ? type !== 98 || this.lookaheadCharCode() === 102 : type !== 12;
|
|
}
|
|
parseImport(node) {
|
|
if (this.match(133)) {
|
|
return this.parseImportSourceAndAttributes(node);
|
|
}
|
|
return this.parseImportSpecifiersAndAfter(node, this.parseMaybeImportPhase(node, false));
|
|
}
|
|
parseImportSpecifiersAndAfter(node, maybeDefaultIdentifier) {
|
|
node.specifiers = [];
|
|
const hasDefault = this.maybeParseDefaultImportSpecifier(node, maybeDefaultIdentifier);
|
|
const parseNext = !hasDefault || this.eat(12);
|
|
const hasStar = parseNext && this.maybeParseStarImportSpecifier(node);
|
|
if (parseNext && !hasStar) this.parseNamedImportSpecifiers(node);
|
|
this.expectContextual(98);
|
|
return this.parseImportSourceAndAttributes(node);
|
|
}
|
|
parseImportSourceAndAttributes(node) {
|
|
var _node$specifiers2;
|
|
(_node$specifiers2 = node.specifiers) != null ? _node$specifiers2 : node.specifiers = [];
|
|
node.source = this.parseImportSource();
|
|
this.maybeParseImportAttributes(node);
|
|
this.checkImportReflection(node);
|
|
this.checkJSONModuleImport(node);
|
|
this.semicolon();
|
|
return this.finishNode(node, "ImportDeclaration");
|
|
}
|
|
parseImportSource() {
|
|
if (!this.match(133)) this.unexpected();
|
|
return this.parseExprAtom();
|
|
}
|
|
parseImportSpecifierLocal(node, specifier, type) {
|
|
specifier.local = this.parseIdentifier();
|
|
node.specifiers.push(this.finishImportSpecifier(specifier, type));
|
|
}
|
|
finishImportSpecifier(specifier, type, bindingType = 8201) {
|
|
this.checkLVal(specifier.local, {
|
|
in: {
|
|
type
|
|
},
|
|
binding: bindingType
|
|
});
|
|
return this.finishNode(specifier, type);
|
|
}
|
|
parseImportAttributes() {
|
|
this.expect(5);
|
|
const attrs = [];
|
|
const attrNames = new Set();
|
|
do {
|
|
if (this.match(8)) {
|
|
break;
|
|
}
|
|
const node = this.startNode();
|
|
const keyName = this.state.value;
|
|
if (attrNames.has(keyName)) {
|
|
this.raise(Errors.ModuleAttributesWithDuplicateKeys, this.state.startLoc, {
|
|
key: keyName
|
|
});
|
|
}
|
|
attrNames.add(keyName);
|
|
if (this.match(133)) {
|
|
node.key = this.parseStringLiteral(keyName);
|
|
} else {
|
|
node.key = this.parseIdentifier(true);
|
|
}
|
|
this.expect(14);
|
|
if (!this.match(133)) {
|
|
throw this.raise(Errors.ModuleAttributeInvalidValue, this.state.startLoc);
|
|
}
|
|
node.value = this.parseStringLiteral(this.state.value);
|
|
attrs.push(this.finishNode(node, "ImportAttribute"));
|
|
} while (this.eat(12));
|
|
this.expect(8);
|
|
return attrs;
|
|
}
|
|
parseModuleAttributes() {
|
|
const attrs = [];
|
|
const attributes = new Set();
|
|
do {
|
|
const node = this.startNode();
|
|
node.key = this.parseIdentifier(true);
|
|
if (node.key.name !== "type") {
|
|
this.raise(Errors.ModuleAttributeDifferentFromType, node.key);
|
|
}
|
|
if (attributes.has(node.key.name)) {
|
|
this.raise(Errors.ModuleAttributesWithDuplicateKeys, node.key, {
|
|
key: node.key.name
|
|
});
|
|
}
|
|
attributes.add(node.key.name);
|
|
this.expect(14);
|
|
if (!this.match(133)) {
|
|
throw this.raise(Errors.ModuleAttributeInvalidValue, this.state.startLoc);
|
|
}
|
|
node.value = this.parseStringLiteral(this.state.value);
|
|
attrs.push(this.finishNode(node, "ImportAttribute"));
|
|
} while (this.eat(12));
|
|
return attrs;
|
|
}
|
|
maybeParseImportAttributes(node) {
|
|
let attributes;
|
|
let useWith = false;
|
|
if (this.match(76)) {
|
|
if (this.hasPrecedingLineBreak() && this.lookaheadCharCode() === 40) {
|
|
return;
|
|
}
|
|
this.next();
|
|
{
|
|
if (this.hasPlugin("moduleAttributes")) {
|
|
attributes = this.parseModuleAttributes();
|
|
} else {
|
|
this.expectImportAttributesPlugin();
|
|
attributes = this.parseImportAttributes();
|
|
}
|
|
}
|
|
useWith = true;
|
|
} else if (this.isContextual(94) && !this.hasPrecedingLineBreak()) {
|
|
if (this.hasPlugin("importAttributes")) {
|
|
if (this.getPluginOption("importAttributes", "deprecatedAssertSyntax") !== true) {
|
|
this.raise(Errors.ImportAttributesUseAssert, this.state.startLoc);
|
|
}
|
|
this.addExtra(node, "deprecatedAssertSyntax", true);
|
|
} else {
|
|
this.expectOnePlugin(["importAttributes", "importAssertions"]);
|
|
}
|
|
this.next();
|
|
attributes = this.parseImportAttributes();
|
|
} else if (this.hasPlugin("importAttributes") || this.hasPlugin("importAssertions")) {
|
|
attributes = [];
|
|
} else {
|
|
if (this.hasPlugin("moduleAttributes")) {
|
|
attributes = [];
|
|
} else return;
|
|
}
|
|
if (!useWith && this.hasPlugin("importAssertions")) {
|
|
node.assertions = attributes;
|
|
} else {
|
|
node.attributes = attributes;
|
|
}
|
|
}
|
|
maybeParseDefaultImportSpecifier(node, maybeDefaultIdentifier) {
|
|
if (maybeDefaultIdentifier) {
|
|
const specifier = this.startNodeAtNode(maybeDefaultIdentifier);
|
|
specifier.local = maybeDefaultIdentifier;
|
|
node.specifiers.push(this.finishImportSpecifier(specifier, "ImportDefaultSpecifier"));
|
|
return true;
|
|
} else if (tokenIsKeywordOrIdentifier(this.state.type)) {
|
|
this.parseImportSpecifierLocal(node, this.startNode(), "ImportDefaultSpecifier");
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
maybeParseStarImportSpecifier(node) {
|
|
if (this.match(55)) {
|
|
const specifier = this.startNode();
|
|
this.next();
|
|
this.expectContextual(93);
|
|
this.parseImportSpecifierLocal(node, specifier, "ImportNamespaceSpecifier");
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
parseNamedImportSpecifiers(node) {
|
|
let first = true;
|
|
this.expect(5);
|
|
while (!this.eat(8)) {
|
|
if (first) {
|
|
first = false;
|
|
} else {
|
|
if (this.eat(14)) {
|
|
throw this.raise(Errors.DestructureNamedImport, this.state.startLoc);
|
|
}
|
|
this.expect(12);
|
|
if (this.eat(8)) break;
|
|
}
|
|
const specifier = this.startNode();
|
|
const importedIsString = this.match(133);
|
|
const isMaybeTypeOnly = this.isContextual(130);
|
|
specifier.imported = this.parseModuleExportName();
|
|
const importSpecifier = this.parseImportSpecifier(specifier, importedIsString, node.importKind === "type" || node.importKind === "typeof", isMaybeTypeOnly, undefined);
|
|
node.specifiers.push(importSpecifier);
|
|
}
|
|
}
|
|
parseImportSpecifier(specifier, importedIsString, isInTypeOnlyImport, isMaybeTypeOnly, bindingType) {
|
|
if (this.eatContextual(93)) {
|
|
specifier.local = this.parseIdentifier();
|
|
} else {
|
|
const {
|
|
imported
|
|
} = specifier;
|
|
if (importedIsString) {
|
|
throw this.raise(Errors.ImportBindingIsString, specifier, {
|
|
importName: imported.value
|
|
});
|
|
}
|
|
this.checkReservedWord(imported.name, specifier.loc.start, true, true);
|
|
if (!specifier.local) {
|
|
specifier.local = cloneIdentifier(imported);
|
|
}
|
|
}
|
|
return this.finishImportSpecifier(specifier, "ImportSpecifier", bindingType);
|
|
}
|
|
isThisParam(param) {
|
|
return param.type === "Identifier" && param.name === "this";
|
|
}
|
|
}
|
|
class Parser extends StatementParser {
|
|
constructor(options, input) {
|
|
options = getOptions(options);
|
|
super(options, input);
|
|
this.options = options;
|
|
this.initializeScopes();
|
|
this.plugins = pluginsMap(this.options.plugins);
|
|
this.filename = options.sourceFilename;
|
|
}
|
|
getScopeHandler() {
|
|
return ScopeHandler;
|
|
}
|
|
parse() {
|
|
this.enterInitialScopes();
|
|
const file = this.startNode();
|
|
const program = this.startNode();
|
|
this.nextToken();
|
|
file.errors = null;
|
|
this.parseTopLevel(file, program);
|
|
file.errors = this.state.errors;
|
|
file.comments.length = this.state.commentsLen;
|
|
return file;
|
|
}
|
|
}
|
|
function pluginsMap(plugins) {
|
|
const pluginMap = new Map();
|
|
for (const plugin of plugins) {
|
|
const [name, options] = Array.isArray(plugin) ? plugin : [plugin, {}];
|
|
if (!pluginMap.has(name)) pluginMap.set(name, options || {});
|
|
}
|
|
return pluginMap;
|
|
}
|
|
function parse(input, options) {
|
|
var _options;
|
|
if (((_options = options) == null ? void 0 : _options.sourceType) === "unambiguous") {
|
|
options = Object.assign({}, options);
|
|
try {
|
|
options.sourceType = "module";
|
|
const parser = getParser(options, input);
|
|
const ast = parser.parse();
|
|
if (parser.sawUnambiguousESM) {
|
|
return ast;
|
|
}
|
|
if (parser.ambiguousScriptDifferentAst) {
|
|
try {
|
|
options.sourceType = "script";
|
|
return getParser(options, input).parse();
|
|
} catch (_unused) {}
|
|
} else {
|
|
ast.program.sourceType = "script";
|
|
}
|
|
return ast;
|
|
} catch (moduleError) {
|
|
try {
|
|
options.sourceType = "script";
|
|
return getParser(options, input).parse();
|
|
} catch (_unused2) {}
|
|
throw moduleError;
|
|
}
|
|
} else {
|
|
return getParser(options, input).parse();
|
|
}
|
|
}
|
|
function parseExpression(input, options) {
|
|
const parser = getParser(options, input);
|
|
if (parser.options.strictMode) {
|
|
parser.state.strict = true;
|
|
}
|
|
return parser.getExpression();
|
|
}
|
|
function generateExportedTokenTypes(internalTokenTypes) {
|
|
const tokenTypes = {};
|
|
for (const typeName of Object.keys(internalTokenTypes)) {
|
|
tokenTypes[typeName] = getExportedToken(internalTokenTypes[typeName]);
|
|
}
|
|
return tokenTypes;
|
|
}
|
|
const tokTypes = generateExportedTokenTypes(tt);
|
|
function getParser(options, input) {
|
|
let cls = Parser;
|
|
if (options != null && options.plugins) {
|
|
validatePlugins(options.plugins);
|
|
cls = getParserClass(options.plugins);
|
|
}
|
|
return new cls(options, input);
|
|
}
|
|
const parserClassCache = {};
|
|
function getParserClass(pluginsFromOptions) {
|
|
const pluginList = mixinPluginNames.filter(name => hasPlugin(pluginsFromOptions, name));
|
|
const key = pluginList.join("/");
|
|
let cls = parserClassCache[key];
|
|
if (!cls) {
|
|
cls = Parser;
|
|
for (const plugin of pluginList) {
|
|
cls = mixinPlugins[plugin](cls);
|
|
}
|
|
parserClassCache[key] = cls;
|
|
}
|
|
return cls;
|
|
}
|
|
exports.parse = parse;
|
|
exports.parseExpression = parseExpression;
|
|
exports.tokTypes = tokTypes;
|
|
//# sourceMappingURL=index.js.map
|