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function isJSDocType() { switch (token) { case 37 /* AsteriskToken */: case 53 /* QuestionToken */: case 17 /* OpenParenToken */: case 19 /* OpenBracketToken */: case 49 /* ExclamationToken */: case 15 /* OpenBraceToken */: case 87 /* FunctionKeyword */: case 22 /* DotDotDotToken */: case 92 /* NewKeyword */: case 97 /* ThisKeyword */: return true; } return ts.tokenIsIdentifierOrKeyword(token); }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
isJSDocType
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocTypeExpressionForTests(content, start, length) { initializeState("file.js", content, 2 /* Latest */, /*isJavaScriptFile*/ true, /*_syntaxCursor:*/ undefined); var jsDocTypeExpression = parseJSDocTypeExpression(start, length); var diagnostics = parseDiagnostics; clearState(); return jsDocTypeExpression ? { jsDocTypeExpression: jsDocTypeExpression, diagnostics: diagnostics } : undefined; }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocTypeExpressionForTests
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocTopLevelType() { var type = parseJSDocType(); if (token === 47 /* BarToken */) { var unionType = createNode(253 /* JSDocUnionType */, type.pos); unionType.types = parseJSDocTypeList(type); type = finishNode(unionType); } if (token === 56 /* EqualsToken */) { var optionalType = createNode(260 /* JSDocOptionalType */, type.pos); nextToken(); optionalType.type = type; type = finishNode(optionalType); } return type; }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocTopLevelType
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocType() { var type = parseBasicTypeExpression(); while (true) { if (token === 19 /* OpenBracketToken */) { var arrayType = createNode(252 /* JSDocArrayType */, type.pos); arrayType.elementType = type; nextToken(); parseExpected(20 /* CloseBracketToken */); type = finishNode(arrayType); } else if (token === 53 /* QuestionToken */) { var nullableType = createNode(255 /* JSDocNullableType */, type.pos); nullableType.type = type; nextToken(); type = finishNode(nullableType); } else if (token === 49 /* ExclamationToken */) { var nonNullableType = createNode(256 /* JSDocNonNullableType */, type.pos); nonNullableType.type = type; nextToken(); type = finishNode(nonNullableType); } else { break; } } return type; }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocType
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseBasicTypeExpression() { switch (token) { case 37 /* AsteriskToken */: return parseJSDocAllType(); case 53 /* QuestionToken */: return parseJSDocUnknownOrNullableType(); case 17 /* OpenParenToken */: return parseJSDocUnionType(); case 19 /* OpenBracketToken */: return parseJSDocTupleType(); case 49 /* ExclamationToken */: return parseJSDocNonNullableType(); case 15 /* OpenBraceToken */: return parseJSDocRecordType(); case 87 /* FunctionKeyword */: return parseJSDocFunctionType(); case 22 /* DotDotDotToken */: return parseJSDocVariadicType(); case 92 /* NewKeyword */: return parseJSDocConstructorType(); case 97 /* ThisKeyword */: return parseJSDocThisType(); case 117 /* AnyKeyword */: case 130 /* StringKeyword */: case 128 /* NumberKeyword */: case 120 /* BooleanKeyword */: case 131 /* SymbolKeyword */: case 103 /* VoidKeyword */: return parseTokenNode(); } // TODO (drosen): Parse string literal types in JSDoc as well. return parseJSDocTypeReference(); }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseBasicTypeExpression
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocThisType() { var result = createNode(264 /* JSDocThisType */); nextToken(); parseExpected(54 /* ColonToken */); result.type = parseJSDocType(); return finishNode(result); }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocThisType
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocConstructorType() { var result = createNode(263 /* JSDocConstructorType */); nextToken(); parseExpected(54 /* ColonToken */); result.type = parseJSDocType(); return finishNode(result); }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocConstructorType
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocVariadicType() { var result = createNode(262 /* JSDocVariadicType */); nextToken(); result.type = parseJSDocType(); return finishNode(result); }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocVariadicType
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocFunctionType() { var result = createNode(261 /* JSDocFunctionType */); nextToken(); parseExpected(17 /* OpenParenToken */); result.parameters = parseDelimitedList(22 /* JSDocFunctionParameters */, parseJSDocParameter); checkForTrailingComma(result.parameters); parseExpected(18 /* CloseParenToken */); if (token === 54 /* ColonToken */) { nextToken(); result.type = parseJSDocType(); } return finishNode(result); }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocFunctionType
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocParameter() { var parameter = createNode(138 /* Parameter */); parameter.type = parseJSDocType(); return finishNode(parameter); }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocParameter
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocOptionalType(type) { var result = createNode(260 /* JSDocOptionalType */, type.pos); nextToken(); result.type = type; return finishNode(result); }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocOptionalType
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocTypeReference() { var result = createNode(259 /* JSDocTypeReference */); result.name = parseSimplePropertyName(); while (parseOptional(21 /* DotToken */)) { if (token === 25 /* LessThanToken */) { result.typeArguments = parseTypeArguments(); break; } else { result.name = parseQualifiedName(result.name); } } return finishNode(result); }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocTypeReference
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseTypeArguments() { // Move past the < nextToken(); var typeArguments = parseDelimitedList(23 /* JSDocTypeArguments */, parseJSDocType); checkForTrailingComma(typeArguments); checkForEmptyTypeArgumentList(typeArguments); parseExpected(27 /* GreaterThanToken */); return typeArguments; }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseTypeArguments
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function checkForEmptyTypeArgumentList(typeArguments) { if (parseDiagnostics.length === 0 && typeArguments && typeArguments.length === 0) { var start = typeArguments.pos - "<".length; var end = ts.skipTrivia(sourceText, typeArguments.end) + ">".length; return parseErrorAtPosition(start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); } }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
checkForEmptyTypeArgumentList
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseQualifiedName(left) { var result = createNode(135 /* QualifiedName */, left.pos); result.left = left; result.right = parseIdentifierName(); return finishNode(result); }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseQualifiedName
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocRecordType() { var result = createNode(257 /* JSDocRecordType */); nextToken(); result.members = parseDelimitedList(24 /* JSDocRecordMembers */, parseJSDocRecordMember); checkForTrailingComma(result.members); parseExpected(16 /* CloseBraceToken */); return finishNode(result); }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocRecordType
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocRecordMember() { var result = createNode(258 /* JSDocRecordMember */); result.name = parseSimplePropertyName(); if (token === 54 /* ColonToken */) { nextToken(); result.type = parseJSDocType(); } return finishNode(result); }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocRecordMember
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocNonNullableType() { var result = createNode(256 /* JSDocNonNullableType */); nextToken(); result.type = parseJSDocType(); return finishNode(result); }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocNonNullableType
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocTupleType() { var result = createNode(254 /* JSDocTupleType */); nextToken(); result.types = parseDelimitedList(25 /* JSDocTupleTypes */, parseJSDocType); checkForTrailingComma(result.types); parseExpected(20 /* CloseBracketToken */); return finishNode(result); }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocTupleType
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function checkForTrailingComma(list) { if (parseDiagnostics.length === 0 && list.hasTrailingComma) { var start = list.end - ",".length; parseErrorAtPosition(start, ",".length, ts.Diagnostics.Trailing_comma_not_allowed); } }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
checkForTrailingComma
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocUnionType() { var result = createNode(253 /* JSDocUnionType */); nextToken(); result.types = parseJSDocTypeList(parseJSDocType()); parseExpected(18 /* CloseParenToken */); return finishNode(result); }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocUnionType
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocTypeList(firstType) { ts.Debug.assert(!!firstType); var types = []; types.pos = firstType.pos; types.push(firstType); while (parseOptional(47 /* BarToken */)) { types.push(parseJSDocType()); } types.end = scanner.getStartPos(); return types; }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocTypeList
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocAllType() { var result = createNode(250 /* JSDocAllType */); nextToken(); return finishNode(result); }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocAllType
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocUnknownOrNullableType() { var pos = scanner.getStartPos(); // skip the ? nextToken(); // Need to lookahead to decide if this is a nullable or unknown type. // Here are cases where we'll pick the unknown type: // // Foo(?, // { a: ? } // Foo(?) // Foo<?> // Foo(?= // (?| if (token === 24 /* CommaToken */ || token === 16 /* CloseBraceToken */ || token === 18 /* CloseParenToken */ || token === 27 /* GreaterThanToken */ || token === 56 /* EqualsToken */ || token === 47 /* BarToken */) { var result = createNode(251 /* JSDocUnknownType */, pos); return finishNode(result); } else { var result = createNode(255 /* JSDocNullableType */, pos); result.type = parseJSDocType(); return finishNode(result); } }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocUnknownOrNullableType
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseIsolatedJSDocComment(content, start, length) { initializeState("file.js", content, 2 /* Latest */, /*isJavaScriptFile*/ true, /*_syntaxCursor:*/ undefined); var jsDocComment = parseJSDocComment(/*parent:*/ undefined, start, length); var diagnostics = parseDiagnostics; clearState(); return jsDocComment ? { jsDocComment: jsDocComment, diagnostics: diagnostics } : undefined; }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseIsolatedJSDocComment
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocComment(parent, start, length) { var comment = parseJSDocCommentWorker(start, length); if (comment) { fixupParentReferences(comment); comment.parent = parent; } return comment; }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocComment
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseJSDocCommentWorker(start, length) { var content = sourceText; start = start || 0; var end = length === undefined ? content.length : start + length; length = end - start; ts.Debug.assert(start >= 0); ts.Debug.assert(start <= end); ts.Debug.assert(end <= content.length); var tags; var pos; // NOTE(cyrusn): This is essentially a handwritten scanner for JSDocComments. I // considered using an actual Scanner, but this would complicate things. The // scanner would need to know it was in a Doc Comment. Otherwise, it would then // produce comments *inside* the doc comment. In the end it was just easier to // write a simple scanner rather than go that route. if (length >= "/** */".length) { if (content.charCodeAt(start) === 47 /* slash */ && content.charCodeAt(start + 1) === 42 /* asterisk */ && content.charCodeAt(start + 2) === 42 /* asterisk */ && content.charCodeAt(start + 3) !== 42 /* asterisk */) { // Initially we can parse out a tag. We also have seen a starting asterisk. // This is so that /** * @type */ doesn't parse. var canParseTag = true; var seenAsterisk = true; for (pos = start + "/**".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at */ && canParseTag) { parseTag(); // Once we parse out a tag, we cannot keep parsing out tags on this line. canParseTag = false; continue; } if (ts.isLineBreak(ch)) { // After a line break, we can parse a tag, and we haven't seen as asterisk // on the next line yet. canParseTag = true; seenAsterisk = false; continue; } if (ts.isWhiteSpace(ch)) { // Whitespace doesn't affect any of our parsing. continue; } // Ignore the first asterisk on a line. if (ch === 42 /* asterisk */) { if (seenAsterisk) { // If we've already seen an asterisk, then we can no longer parse a tag // on this line. canParseTag = false; } seenAsterisk = true; continue; } // Anything else is doc comment text. We can't do anything with it. Because it // wasn't a tag, we can no longer parse a tag on this line until we hit the next // line break. canParseTag = false; } } } return createJSDocComment(); function createJSDocComment() { if (!tags) { return undefined; } var result = createNode(265 /* JSDocComment */, start); result.tags = tags; return finishNode(result, end); } function skipWhitespace() { while (pos < end && ts.isWhiteSpace(content.charCodeAt(pos))) { pos++; } } function parseTag() { ts.Debug.assert(content.charCodeAt(pos - 1) === 64 /* at */); var atToken = createNode(55 /* AtToken */, pos - 1); atToken.end = pos; var tagName = scanIdentifier(); if (!tagName) { return; } var tag = handleTag(atToken, tagName) || handleUnknownTag(atToken, tagName); addTag(tag); } function handleTag(atToken, tagName) { if (tagName) { switch (tagName.text) { case "param": return handleParamTag(atToken, tagName); case "return": case "returns": return handleReturnTag(atToken, tagName); case "template": return handleTemplateTag(atToken, tagName); case "type": return handleTypeTag(atToken, tagName); } } return undefined; } function handleUnknownTag(atToken, tagName) { var result = createNode(266 /* JSDocTag */, atToken.pos); result.atToken = atToken; result.tagName = tagName; return finishNode(result, pos); } function addTag(tag) { if (tag) { if (!tags) { tags = []; tags.pos = tag.pos; } tags.push(tag); tags.end = tag.end; } } function tryParseTypeExpression() { skipWhitespace(); if (content.charCodeAt(pos) !== 123 /* openBrace */) { return undefined; } var typeExpression = parseJSDocTypeExpression(pos, end - pos); pos = typeExpression.end; return typeExpression; } function handleParamTag(atToken, tagName) { var typeExpression = tryParseTypeExpression(); skipWhitespace(); var name; var isBracketed; if (content.charCodeAt(pos) === 91 /* openBracket */) { pos++; skipWhitespace(); name = scanIdentifier(); isBracketed = true; } else { name = scanIdentifier(); } if (!name) { parseErrorAtPosition(pos, 0, ts.Diagnostics.Identifier_expected); } var preName, postName; if (typeExpression) { postName = name; } else { preName = name; } if (!typeExpression) { typeExpression = tryParseTypeExpression(); } var result = createNode(267 /* JSDocParameterTag */, atToken.pos); result.atToken = atToken; result.tagName = tagName; result.preParameterName = preName; result.typeExpression = typeExpression; result.postParameterName = postName; result.isBracketed = isBracketed; return finishNode(result, pos); } function handleReturnTag(atToken, tagName) { if (ts.forEach(tags, function (t) { return t.kind === 268 /* JSDocReturnTag */; })) { parseErrorAtPosition(tagName.pos, pos - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); } var result = createNode(268 /* JSDocReturnTag */, atToken.pos); result.atToken = atToken; result.tagName = tagName; result.typeExpression = tryParseTypeExpression(); return finishNode(result, pos); } function handleTypeTag(atToken, tagName) { if (ts.forEach(tags, function (t) { return t.kind === 269 /* JSDocTypeTag */; })) { parseErrorAtPosition(tagName.pos, pos - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); } var result = createNode(269 /* JSDocTypeTag */, atToken.pos); result.atToken = atToken; result.tagName = tagName; result.typeExpression = tryParseTypeExpression(); return finishNode(result, pos); } function handleTemplateTag(atToken, tagName) { if (ts.forEach(tags, function (t) { return t.kind === 270 /* JSDocTemplateTag */; })) { parseErrorAtPosition(tagName.pos, pos - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); } var typeParameters = []; typeParameters.pos = pos; while (true) { skipWhitespace(); var startPos = pos; var name_8 = scanIdentifier(); if (!name_8) { parseErrorAtPosition(startPos, 0, ts.Diagnostics.Identifier_expected); return undefined; } var typeParameter = createNode(137 /* TypeParameter */, name_8.pos); typeParameter.name = name_8; finishNode(typeParameter, pos); typeParameters.push(typeParameter); skipWhitespace(); if (content.charCodeAt(pos) !== 44 /* comma */) { break; } pos++; } typeParameters.end = pos; var result = createNode(270 /* JSDocTemplateTag */, atToken.pos); result.atToken = atToken; result.tagName = tagName; result.typeParameters = typeParameters; return finishNode(result, pos); } function scanIdentifier() { var startPos = pos; for (; pos < end; pos++) { var ch = content.charCodeAt(pos); if (pos === startPos && ts.isIdentifierStart(ch, 2 /* Latest */)) { continue; } else if (pos > startPos && ts.isIdentifierPart(ch, 2 /* Latest */)) { continue; } break; } if (startPos === pos) { return undefined; } var result = createNode(69 /* Identifier */, startPos); result.text = content.substring(startPos, pos); return finishNode(result, pos); } }
Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. ES7 IncrementExpression[yield]: 1) LeftHandSideExpression[?yield] 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- 4) ++LeftHandSideExpression[?yield] 5) --LeftHandSideExpression[?yield] In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression
parseJSDocCommentWorker
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function createJSDocComment() { if (!tags) { return undefined; } var result = createNode(265 /* JSDocComment */, start); result.tags = tags; return finishNode(result, end); }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
createJSDocComment
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function skipWhitespace() { while (pos < end && ts.isWhiteSpace(content.charCodeAt(pos))) { pos++; } }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
skipWhitespace
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function parseTag() { ts.Debug.assert(content.charCodeAt(pos - 1) === 64 /* at */); var atToken = createNode(55 /* AtToken */, pos - 1); atToken.end = pos; var tagName = scanIdentifier(); if (!tagName) { return; } var tag = handleTag(atToken, tagName) || handleUnknownTag(atToken, tagName); addTag(tag); }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
parseTag
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function handleTag(atToken, tagName) { if (tagName) { switch (tagName.text) { case "param": return handleParamTag(atToken, tagName); case "return": case "returns": return handleReturnTag(atToken, tagName); case "template": return handleTemplateTag(atToken, tagName); case "type": return handleTypeTag(atToken, tagName); } } return undefined; }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
handleTag
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function handleUnknownTag(atToken, tagName) { var result = createNode(266 /* JSDocTag */, atToken.pos); result.atToken = atToken; result.tagName = tagName; return finishNode(result, pos); }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
handleUnknownTag
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function addTag(tag) { if (tag) { if (!tags) { tags = []; tags.pos = tag.pos; } tags.push(tag); tags.end = tag.end; } }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
addTag
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function tryParseTypeExpression() { skipWhitespace(); if (content.charCodeAt(pos) !== 123 /* openBrace */) { return undefined; } var typeExpression = parseJSDocTypeExpression(pos, end - pos); pos = typeExpression.end; return typeExpression; }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
tryParseTypeExpression
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function handleParamTag(atToken, tagName) { var typeExpression = tryParseTypeExpression(); skipWhitespace(); var name; var isBracketed; if (content.charCodeAt(pos) === 91 /* openBracket */) { pos++; skipWhitespace(); name = scanIdentifier(); isBracketed = true; } else { name = scanIdentifier(); } if (!name) { parseErrorAtPosition(pos, 0, ts.Diagnostics.Identifier_expected); } var preName, postName; if (typeExpression) { postName = name; } else { preName = name; } if (!typeExpression) { typeExpression = tryParseTypeExpression(); } var result = createNode(267 /* JSDocParameterTag */, atToken.pos); result.atToken = atToken; result.tagName = tagName; result.preParameterName = preName; result.typeExpression = typeExpression; result.postParameterName = postName; result.isBracketed = isBracketed; return finishNode(result, pos); }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
handleParamTag
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function handleReturnTag(atToken, tagName) { if (ts.forEach(tags, function (t) { return t.kind === 268 /* JSDocReturnTag */; })) { parseErrorAtPosition(tagName.pos, pos - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); } var result = createNode(268 /* JSDocReturnTag */, atToken.pos); result.atToken = atToken; result.tagName = tagName; result.typeExpression = tryParseTypeExpression(); return finishNode(result, pos); }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
handleReturnTag
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function handleTypeTag(atToken, tagName) { if (ts.forEach(tags, function (t) { return t.kind === 269 /* JSDocTypeTag */; })) { parseErrorAtPosition(tagName.pos, pos - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); } var result = createNode(269 /* JSDocTypeTag */, atToken.pos); result.atToken = atToken; result.tagName = tagName; result.typeExpression = tryParseTypeExpression(); return finishNode(result, pos); }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
handleTypeTag
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function handleTemplateTag(atToken, tagName) { if (ts.forEach(tags, function (t) { return t.kind === 270 /* JSDocTemplateTag */; })) { parseErrorAtPosition(tagName.pos, pos - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); } var typeParameters = []; typeParameters.pos = pos; while (true) { skipWhitespace(); var startPos = pos; var name_8 = scanIdentifier(); if (!name_8) { parseErrorAtPosition(startPos, 0, ts.Diagnostics.Identifier_expected); return undefined; } var typeParameter = createNode(137 /* TypeParameter */, name_8.pos); typeParameter.name = name_8; finishNode(typeParameter, pos); typeParameters.push(typeParameter); skipWhitespace(); if (content.charCodeAt(pos) !== 44 /* comma */) { break; } pos++; } typeParameters.end = pos; var result = createNode(270 /* JSDocTemplateTag */, atToken.pos); result.atToken = atToken; result.tagName = tagName; result.typeParameters = typeParameters; return finishNode(result, pos); }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
handleTemplateTag
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function scanIdentifier() { var startPos = pos; for (; pos < end; pos++) { var ch = content.charCodeAt(pos); if (pos === startPos && ts.isIdentifierStart(ch, 2 /* Latest */)) { continue; } else if (pos > startPos && ts.isIdentifierPart(ch, 2 /* Latest */)) { continue; } break; } if (startPos === pos) { return undefined; } var result = createNode(69 /* Identifier */, startPos); result.text = content.substring(startPos, pos); return finishNode(result, pos); }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
scanIdentifier
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { aggressiveChecks = aggressiveChecks || ts.Debug.shouldAssert(2 /* Aggressive */); checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks); if (ts.textChangeRangeIsUnchanged(textChangeRange)) { // if the text didn't change, then we can just return our current source file as-is. return sourceFile; } if (sourceFile.statements.length === 0) { // If we don't have any statements in the current source file, then there's no real // way to incrementally parse. So just do a full parse instead. return Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, /*syntaxCursor*/ undefined, /*setNodeParents*/ true); } // Make sure we're not trying to incrementally update a source file more than once. Once // we do an update the original source file is considered unusbale from that point onwards. // // This is because we do incremental parsing in-place. i.e. we take nodes from the old // tree and give them new positions and parents. From that point on, trusting the old // tree at all is not possible as far too much of it may violate invariants. var incrementalSourceFile = sourceFile; ts.Debug.assert(!incrementalSourceFile.hasBeenIncrementallyParsed); incrementalSourceFile.hasBeenIncrementallyParsed = true; var oldText = sourceFile.text; var syntaxCursor = createSyntaxCursor(sourceFile); // Make the actual change larger so that we know to reparse anything whose lookahead // might have intersected the change. var changeRange = extendToAffectedRange(sourceFile, textChangeRange); checkChangeRange(sourceFile, newText, changeRange, aggressiveChecks); // Ensure that extending the affected range only moved the start of the change range // earlier in the file. ts.Debug.assert(changeRange.span.start <= textChangeRange.span.start); ts.Debug.assert(ts.textSpanEnd(changeRange.span) === ts.textSpanEnd(textChangeRange.span)); ts.Debug.assert(ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)) === ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange))); // The is the amount the nodes after the edit range need to be adjusted. It can be // positive (if the edit added characters), negative (if the edit deleted characters) // or zero (if this was a pure overwrite with nothing added/removed). var delta = ts.textChangeRangeNewSpan(changeRange).length - changeRange.span.length; // If we added or removed characters during the edit, then we need to go and adjust all // the nodes after the edit. Those nodes may move forward (if we inserted chars) or they // may move backward (if we deleted chars). // // Doing this helps us out in two ways. First, it means that any nodes/tokens we want // to reuse are already at the appropriate position in the new text. That way when we // reuse them, we don't have to figure out if they need to be adjusted. Second, it makes // it very easy to determine if we can reuse a node. If the node's position is at where // we are in the text, then we can reuse it. Otherwise we can't. If the node's position // is ahead of us, then we'll need to rescan tokens. If the node's position is behind // us, then we'll need to skip it or crumble it as appropriate // // We will also adjust the positions of nodes that intersect the change range as well. // By doing this, we ensure that all the positions in the old tree are consistent, not // just the positions of nodes entirely before/after the change range. By being // consistent, we can then easily map from positions to nodes in the old tree easily. // // Also, mark any syntax elements that intersect the changed span. We know, up front, // that we cannot reuse these elements. updateTokenPositionsAndMarkElements(incrementalSourceFile, changeRange.span.start, ts.textSpanEnd(changeRange.span), ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)), delta, oldText, newText, aggressiveChecks); // Now that we've set up our internal incremental state just proceed and parse the // source file in the normal fashion. When possible the parser will retrieve and // reuse nodes from the old tree. // // Note: passing in 'true' for setNodeParents is very important. When incrementally // parsing, we will be reusing nodes from the old tree, and placing it into new // parents. If we don't set the parents now, we'll end up with an observably // inconsistent tree. Setting the parents on the new tree should be very fast. We // will immediately bail out of walking any subtrees when we can see that their parents // are already correct. var result = Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, syntaxCursor, /* setParentNode */ true); return result; }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
updateSourceFile
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function moveElementEntirelyPastChangeRange(element, isArray, delta, oldText, newText, aggressiveChecks) { if (isArray) { visitArray(element); } else { visitNode(element); } return; function visitNode(node) { var text = ""; if (aggressiveChecks && shouldCheckNode(node)) { text = oldText.substring(node.pos, node.end); } // Ditch any existing LS children we may have created. This way we can avoid // moving them forward. if (node._children) { node._children = undefined; } if (node.jsDocComment) { node.jsDocComment = undefined; } node.pos += delta; node.end += delta; if (aggressiveChecks && shouldCheckNode(node)) { ts.Debug.assert(text === newText.substring(node.pos, node.end)); } forEachChild(node, visitNode, visitArray); checkNodePositions(node, aggressiveChecks); } function visitArray(array) { array._children = undefined; array.pos += delta; array.end += delta; for (var _i = 0, array_7 = array; _i < array_7.length; _i++) { var node = array_7[_i]; visitNode(node); } } }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
moveElementEntirelyPastChangeRange
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function visitNode(node) { var text = ""; if (aggressiveChecks && shouldCheckNode(node)) { text = oldText.substring(node.pos, node.end); } // Ditch any existing LS children we may have created. This way we can avoid // moving them forward. if (node._children) { node._children = undefined; } if (node.jsDocComment) { node.jsDocComment = undefined; } node.pos += delta; node.end += delta; if (aggressiveChecks && shouldCheckNode(node)) { ts.Debug.assert(text === newText.substring(node.pos, node.end)); } forEachChild(node, visitNode, visitArray); checkNodePositions(node, aggressiveChecks); }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
visitNode
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function visitArray(array) { array._children = undefined; array.pos += delta; array.end += delta; for (var _i = 0, array_7 = array; _i < array_7.length; _i++) { var node = array_7[_i]; visitNode(node); } }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
visitArray
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function shouldCheckNode(node) { switch (node.kind) { case 9 /* StringLiteral */: case 8 /* NumericLiteral */: case 69 /* Identifier */: return true; } return false; }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
shouldCheckNode
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function adjustIntersectingElement(element, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta) { ts.Debug.assert(element.end >= changeStart, "Adjusting an element that was entirely before the change range"); ts.Debug.assert(element.pos <= changeRangeOldEnd, "Adjusting an element that was entirely after the change range"); ts.Debug.assert(element.pos <= element.end); // We have an element that intersects the change range in some way. It may have its // start, or its end (or both) in the changed range. We want to adjust any part // that intersects such that the final tree is in a consistent state. i.e. all // chlidren have spans within the span of their parent, and all siblings are ordered // properly. // We may need to update both the 'pos' and the 'end' of the element. // If the 'pos' is before the start of the change, then we don't need to touch it. // If it isn't, then the 'pos' must be inside the change. How we update it will // depend if delta is positive or negative. If delta is positive then we have // something like: // // -------------------AAA----------------- // -------------------BBBCCCCCCC----------------- // // In this case, we consider any node that started in the change range to still be // starting at the same position. // // however, if the delta is negative, then we instead have something like this: // // -------------------XXXYYYYYYY----------------- // -------------------ZZZ----------------- // // In this case, any element that started in the 'X' range will keep its position. // However any element htat started after that will have their pos adjusted to be // at the end of the new range. i.e. any node that started in the 'Y' range will // be adjusted to have their start at the end of the 'Z' range. // // The element will keep its position if possible. Or Move backward to the new-end // if it's in the 'Y' range. element.pos = Math.min(element.pos, changeRangeNewEnd); // If the 'end' is after the change range, then we always adjust it by the delta // amount. However, if the end is in the change range, then how we adjust it // will depend on if delta is positive or negative. If delta is positive then we // have something like: // // -------------------AAA----------------- // -------------------BBBCCCCCCC----------------- // // In this case, we consider any node that ended inside the change range to keep its // end position. // // however, if the delta is negative, then we instead have something like this: // // -------------------XXXYYYYYYY----------------- // -------------------ZZZ----------------- // // In this case, any element that ended in the 'X' range will keep its position. // However any element htat ended after that will have their pos adjusted to be // at the end of the new range. i.e. any node that ended in the 'Y' range will // be adjusted to have their end at the end of the 'Z' range. if (element.end >= changeRangeOldEnd) { // Element ends after the change range. Always adjust the end pos. element.end += delta; } else { // Element ends in the change range. The element will keep its position if // possible. Or Move backward to the new-end if it's in the 'Y' range. element.end = Math.min(element.end, changeRangeNewEnd); } ts.Debug.assert(element.pos <= element.end); if (element.parent) { ts.Debug.assert(element.pos >= element.parent.pos); ts.Debug.assert(element.end <= element.parent.end); } }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
adjustIntersectingElement
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function checkNodePositions(node, aggressiveChecks) { if (aggressiveChecks) { var pos = node.pos; forEachChild(node, function (child) { ts.Debug.assert(child.pos >= pos); pos = child.end; }); ts.Debug.assert(pos <= node.end); } }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
checkNodePositions
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function updateTokenPositionsAndMarkElements(sourceFile, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta, oldText, newText, aggressiveChecks) { visitNode(sourceFile); return; function visitNode(child) { ts.Debug.assert(child.pos <= child.end); if (child.pos > changeRangeOldEnd) { // Node is entirely past the change range. We need to move both its pos and // end, forward or backward appropriately. moveElementEntirelyPastChangeRange(child, /*isArray*/ false, delta, oldText, newText, aggressiveChecks); return; } // Check if the element intersects the change range. If it does, then it is not // reusable. Also, we'll need to recurse to see what constituent portions we may // be able to use. var fullEnd = child.end; if (fullEnd >= changeStart) { child.intersectsChange = true; child._children = undefined; // Adjust the pos or end (or both) of the intersecting element accordingly. adjustIntersectingElement(child, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); forEachChild(child, visitNode, visitArray); checkNodePositions(child, aggressiveChecks); return; } // Otherwise, the node is entirely before the change range. No need to do anything with it. ts.Debug.assert(fullEnd < changeStart); } function visitArray(array) { ts.Debug.assert(array.pos <= array.end); if (array.pos > changeRangeOldEnd) { // Array is entirely after the change range. We need to move it, and move any of // its children. moveElementEntirelyPastChangeRange(array, /*isArray*/ true, delta, oldText, newText, aggressiveChecks); return; } // Check if the element intersects the change range. If it does, then it is not // reusable. Also, we'll need to recurse to see what constituent portions we may // be able to use. var fullEnd = array.end; if (fullEnd >= changeStart) { array.intersectsChange = true; array._children = undefined; // Adjust the pos or end (or both) of the intersecting array accordingly. adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); for (var _i = 0, array_8 = array; _i < array_8.length; _i++) { var node = array_8[_i]; visitNode(node); } return; } // Otherwise, the array is entirely before the change range. No need to do anything with it. ts.Debug.assert(fullEnd < changeStart); } }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
updateTokenPositionsAndMarkElements
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function visitNode(child) { ts.Debug.assert(child.pos <= child.end); if (child.pos > changeRangeOldEnd) { // Node is entirely past the change range. We need to move both its pos and // end, forward or backward appropriately. moveElementEntirelyPastChangeRange(child, /*isArray*/ false, delta, oldText, newText, aggressiveChecks); return; } // Check if the element intersects the change range. If it does, then it is not // reusable. Also, we'll need to recurse to see what constituent portions we may // be able to use. var fullEnd = child.end; if (fullEnd >= changeStart) { child.intersectsChange = true; child._children = undefined; // Adjust the pos or end (or both) of the intersecting element accordingly. adjustIntersectingElement(child, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); forEachChild(child, visitNode, visitArray); checkNodePositions(child, aggressiveChecks); return; } // Otherwise, the node is entirely before the change range. No need to do anything with it. ts.Debug.assert(fullEnd < changeStart); }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
visitNode
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function visitArray(array) { ts.Debug.assert(array.pos <= array.end); if (array.pos > changeRangeOldEnd) { // Array is entirely after the change range. We need to move it, and move any of // its children. moveElementEntirelyPastChangeRange(array, /*isArray*/ true, delta, oldText, newText, aggressiveChecks); return; } // Check if the element intersects the change range. If it does, then it is not // reusable. Also, we'll need to recurse to see what constituent portions we may // be able to use. var fullEnd = array.end; if (fullEnd >= changeStart) { array.intersectsChange = true; array._children = undefined; // Adjust the pos or end (or both) of the intersecting array accordingly. adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); for (var _i = 0, array_8 = array; _i < array_8.length; _i++) { var node = array_8[_i]; visitNode(node); } return; } // Otherwise, the array is entirely before the change range. No need to do anything with it. ts.Debug.assert(fullEnd < changeStart); }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
visitArray
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function extendToAffectedRange(sourceFile, changeRange) { // Consider the following code: // void foo() { /; } // // If the text changes with an insertion of / just before the semicolon then we end up with: // void foo() { //; } // // If we were to just use the changeRange a is, then we would not rescan the { token // (as it does not intersect the actual original change range). Because an edit may // change the token touching it, we actually need to look back *at least* one token so // that the prior token sees that change. var maxLookahead = 1; var start = changeRange.span.start; // the first iteration aligns us with the change start. subsequent iteration move us to // the left by maxLookahead tokens. We only need to do this as long as we're not at the // start of the tree. for (var i = 0; start > 0 && i <= maxLookahead; i++) { var nearestNode = findNearestNodeStartingBeforeOrAtPosition(sourceFile, start); ts.Debug.assert(nearestNode.pos <= start); var position = nearestNode.pos; start = Math.max(0, position - 1); } var finalSpan = ts.createTextSpanFromBounds(start, ts.textSpanEnd(changeRange.span)); var finalLength = changeRange.newLength + (changeRange.span.start - start); return ts.createTextChangeRange(finalSpan, finalLength); }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
extendToAffectedRange
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function findNearestNodeStartingBeforeOrAtPosition(sourceFile, position) { var bestResult = sourceFile; var lastNodeEntirelyBeforePosition; forEachChild(sourceFile, visit); if (lastNodeEntirelyBeforePosition) { var lastChildOfLastEntireNodeBeforePosition = getLastChild(lastNodeEntirelyBeforePosition); if (lastChildOfLastEntireNodeBeforePosition.pos > bestResult.pos) { bestResult = lastChildOfLastEntireNodeBeforePosition; } } return bestResult; function getLastChild(node) { while (true) { var lastChild = getLastChildWorker(node); if (lastChild) { node = lastChild; } else { return node; } } } function getLastChildWorker(node) { var last = undefined; forEachChild(node, function (child) { if (ts.nodeIsPresent(child)) { last = child; } }); return last; } function visit(child) { if (ts.nodeIsMissing(child)) { // Missing nodes are effectively invisible to us. We never even consider them // When trying to find the nearest node before us. return; } // If the child intersects this position, then this node is currently the nearest // node that starts before the position. if (child.pos <= position) { if (child.pos >= bestResult.pos) { // This node starts before the position, and is closer to the position than // the previous best node we found. It is now the new best node. bestResult = child; } // Now, the node may overlap the position, or it may end entirely before the // position. If it overlaps with the position, then either it, or one of its // children must be the nearest node before the position. So we can just // recurse into this child to see if we can find something better. if (position < child.end) { // The nearest node is either this child, or one of the children inside // of it. We've already marked this child as the best so far. Recurse // in case one of the children is better. forEachChild(child, visit); // Once we look at the children of this node, then there's no need to // continue any further. return true; } else { ts.Debug.assert(child.end <= position); // The child ends entirely before this position. Say you have the following // (where $ is the position) // // <complex expr 1> ? <complex expr 2> $ : <...> <...> // // We would want to find the nearest preceding node in "complex expr 2". // To support that, we keep track of this node, and once we're done searching // for a best node, we recurse down this node to see if we can find a good // result in it. // // This approach allows us to quickly skip over nodes that are entirely // before the position, while still allowing us to find any nodes in the // last one that might be what we want. lastNodeEntirelyBeforePosition = child; } } else { ts.Debug.assert(child.pos > position); // We're now at a node that is entirely past the position we're searching for. // This node (and all following nodes) could never contribute to the result, // so just skip them by returning 'true' here. return true; } } }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
findNearestNodeStartingBeforeOrAtPosition
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function getLastChild(node) { while (true) { var lastChild = getLastChildWorker(node); if (lastChild) { node = lastChild; } else { return node; } } }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
getLastChild
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function getLastChildWorker(node) { var last = undefined; forEachChild(node, function (child) { if (ts.nodeIsPresent(child)) { last = child; } }); return last; }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
getLastChildWorker
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function visit(child) { if (ts.nodeIsMissing(child)) { // Missing nodes are effectively invisible to us. We never even consider them // When trying to find the nearest node before us. return; } // If the child intersects this position, then this node is currently the nearest // node that starts before the position. if (child.pos <= position) { if (child.pos >= bestResult.pos) { // This node starts before the position, and is closer to the position than // the previous best node we found. It is now the new best node. bestResult = child; } // Now, the node may overlap the position, or it may end entirely before the // position. If it overlaps with the position, then either it, or one of its // children must be the nearest node before the position. So we can just // recurse into this child to see if we can find something better. if (position < child.end) { // The nearest node is either this child, or one of the children inside // of it. We've already marked this child as the best so far. Recurse // in case one of the children is better. forEachChild(child, visit); // Once we look at the children of this node, then there's no need to // continue any further. return true; } else { ts.Debug.assert(child.end <= position); // The child ends entirely before this position. Say you have the following // (where $ is the position) // // <complex expr 1> ? <complex expr 2> $ : <...> <...> // // We would want to find the nearest preceding node in "complex expr 2". // To support that, we keep track of this node, and once we're done searching // for a best node, we recurse down this node to see if we can find a good // result in it. // // This approach allows us to quickly skip over nodes that are entirely // before the position, while still allowing us to find any nodes in the // last one that might be what we want. lastNodeEntirelyBeforePosition = child; } } else { ts.Debug.assert(child.pos > position); // We're now at a node that is entirely past the position we're searching for. // This node (and all following nodes) could never contribute to the result, // so just skip them by returning 'true' here. return true; } }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
visit
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks) { var oldText = sourceFile.text; if (textChangeRange) { ts.Debug.assert((oldText.length - textChangeRange.span.length + textChangeRange.newLength) === newText.length); if (aggressiveChecks || ts.Debug.shouldAssert(3 /* VeryAggressive */)) { var oldTextPrefix = oldText.substr(0, textChangeRange.span.start); var newTextPrefix = newText.substr(0, textChangeRange.span.start); ts.Debug.assert(oldTextPrefix === newTextPrefix); var oldTextSuffix = oldText.substring(ts.textSpanEnd(textChangeRange.span), oldText.length); var newTextSuffix = newText.substring(ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)), newText.length); ts.Debug.assert(oldTextSuffix === newTextSuffix); } } }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
checkChangeRange
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function createSyntaxCursor(sourceFile) { var currentArray = sourceFile.statements; var currentArrayIndex = 0; ts.Debug.assert(currentArrayIndex < currentArray.length); var current = currentArray[currentArrayIndex]; var lastQueriedPosition = -1 /* Value */; return { currentNode: function (position) { // Only compute the current node if the position is different than the last time // we were asked. The parser commonly asks for the node at the same position // twice. Once to know if can read an appropriate list element at a certain point, // and then to actually read and consume the node. if (position !== lastQueriedPosition) { // Much of the time the parser will need the very next node in the array that // we just returned a node from.So just simply check for that case and move // forward in the array instead of searching for the node again. if (current && current.end === position && currentArrayIndex < (currentArray.length - 1)) { currentArrayIndex++; current = currentArray[currentArrayIndex]; } // If we don't have a node, or the node we have isn't in the right position, // then try to find a viable node at the position requested. if (!current || current.pos !== position) { findHighestListElementThatStartsAtPosition(position); } } // Cache this query so that we don't do any extra work if the parser calls back // into us. Note: this is very common as the parser will make pairs of calls like // 'isListElement -> parseListElement'. If we were unable to find a node when // called with 'isListElement', we don't want to redo the work when parseListElement // is called immediately after. lastQueriedPosition = position; // Either we don'd have a node, or we have a node at the position being asked for. ts.Debug.assert(!current || current.pos === position); return current; } }; // Finds the highest element in the tree we can find that starts at the provided position. // The element must be a direct child of some node list in the tree. This way after we // return it, we can easily return its next sibling in the list. function findHighestListElementThatStartsAtPosition(position) { // Clear out any cached state about the last node we found. currentArray = undefined; currentArrayIndex = -1 /* Value */; current = undefined; // Recurse into the source file to find the highest node at this position. forEachChild(sourceFile, visitNode, visitArray); return; function visitNode(node) { if (position >= node.pos && position < node.end) { // Position was within this node. Keep searching deeper to find the node. forEachChild(node, visitNode, visitArray); // don't procede any futher in the search. return true; } // position wasn't in this node, have to keep searching. return false; } function visitArray(array) { if (position >= array.pos && position < array.end) { // position was in this array. Search through this array to see if we find a // viable element. for (var i = 0, n = array.length; i < n; i++) { var child = array[i]; if (child) { if (child.pos === position) { // Found the right node. We're done. currentArray = array; currentArrayIndex = i; current = child; return true; } else { if (child.pos < position && position < child.end) { // Position in somewhere within this child. Search in it and // stop searching in this array. forEachChild(child, visitNode, visitArray); return true; } } } } } // position wasn't in this array, have to keep searching. return false; } } }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
createSyntaxCursor
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function visitNode(node) { if (position >= node.pos && position < node.end) { // Position was within this node. Keep searching deeper to find the node. forEachChild(node, visitNode, visitArray); // don't procede any futher in the search. return true; } // position wasn't in this node, have to keep searching. return false; }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
visitNode
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function visitArray(array) { if (position >= array.pos && position < array.end) { // position was in this array. Search through this array to see if we find a // viable element. for (var i = 0, n = array.length; i < n; i++) { var child = array[i]; if (child) { if (child.pos === position) { // Found the right node. We're done. currentArray = array; currentArrayIndex = i; current = child; return true; } else { if (child.pos < position && position < child.end) { // Position in somewhere within this child. Search in it and // stop searching in this array. forEachChild(child, visitNode, visitArray); return true; } } } } } // position wasn't in this array, have to keep searching. return false; }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
visitArray
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function or(state1, state2) { return (state1 | state2) & 2 /* Reachable */ ? 2 /* Reachable */ : (state1 & state2) & 8 /* ReportedUnreachable */ ? 8 /* ReportedUnreachable */ : 4 /* Unreachable */; }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
or
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function getModuleInstanceState(node) { // A module is uninstantiated if it contains only // 1. interface declarations, type alias declarations if (node.kind === 215 /* InterfaceDeclaration */ || node.kind === 216 /* TypeAliasDeclaration */) { return 0 /* NonInstantiated */; } else if (ts.isConstEnumDeclaration(node)) { return 2 /* ConstEnumOnly */; } else if ((node.kind === 222 /* ImportDeclaration */ || node.kind === 221 /* ImportEqualsDeclaration */) && !(node.flags & 2 /* Export */)) { return 0 /* NonInstantiated */; } else if (node.kind === 219 /* ModuleBlock */) { var state = 0 /* NonInstantiated */; ts.forEachChild(node, function (n) { switch (getModuleInstanceState(n)) { case 0 /* NonInstantiated */: // child is non-instantiated - continue searching return false; case 2 /* ConstEnumOnly */: // child is const enum only - record state and continue searching state = 2 /* ConstEnumOnly */; return false; case 1 /* Instantiated */: // child is instantiated - record state and stop state = 1 /* Instantiated */; return true; } }); return state; } else if (node.kind === 218 /* ModuleDeclaration */) { return getModuleInstanceState(node.body); } else { return 1 /* Instantiated */; } }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
getModuleInstanceState
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindSourceFile(file, options) { var start = new Date().getTime(); binder(file, options); ts.bindTime += new Date().getTime() - start; }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
bindSourceFile
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function createBinder() { var file; var options; var parent; var container; var blockScopeContainer; var lastContainer; var seenThisKeyword; // state used by reachability checks var hasExplicitReturn; var currentReachabilityState; var labelStack; var labelIndexMap; var implicitLabels; // If this file is an external module, then it is automatically in strict-mode according to // ES6. If it is not an external module, then we'll determine if it is in strict mode or // not depending on if we see "use strict" in certain places (or if we hit a class/namespace). var inStrictMode; var symbolCount = 0; var Symbol; var classifiableNames; function bindSourceFile(f, opts) { file = f; options = opts; inStrictMode = !!file.externalModuleIndicator; classifiableNames = {}; Symbol = ts.objectAllocator.getSymbolConstructor(); if (!file.locals) { bind(file); file.symbolCount = symbolCount; file.classifiableNames = classifiableNames; } parent = undefined; container = undefined; blockScopeContainer = undefined; lastContainer = undefined; seenThisKeyword = false; hasExplicitReturn = false; labelStack = undefined; labelIndexMap = undefined; implicitLabels = undefined; } return bindSourceFile; function createSymbol(flags, name) { symbolCount++; return new Symbol(flags, name); } function addDeclarationToSymbol(symbol, node, symbolFlags) { symbol.flags |= symbolFlags; node.symbol = symbol; if (!symbol.declarations) { symbol.declarations = []; } symbol.declarations.push(node); if (symbolFlags & 1952 /* HasExports */ && !symbol.exports) { symbol.exports = {}; } if (symbolFlags & 6240 /* HasMembers */ && !symbol.members) { symbol.members = {}; } if (symbolFlags & 107455 /* Value */ && !symbol.valueDeclaration) { symbol.valueDeclaration = node; } } // Should not be called on a declaration with a computed property name, // unless it is a well known Symbol. function getDeclarationName(node) { if (node.name) { if (node.kind === 218 /* ModuleDeclaration */ && node.name.kind === 9 /* StringLiteral */) { return "\"" + node.name.text + "\""; } if (node.name.kind === 136 /* ComputedPropertyName */) { var nameExpression = node.name.expression; // treat computed property names where expression is string/numeric literal as just string/numeric literal if (ts.isStringOrNumericLiteral(nameExpression.kind)) { return nameExpression.text; } ts.Debug.assert(ts.isWellKnownSymbolSyntactically(nameExpression)); return ts.getPropertyNameForKnownSymbolName(nameExpression.name.text); } return node.name.text; } switch (node.kind) { case 144 /* Constructor */: return "__constructor"; case 152 /* FunctionType */: case 147 /* CallSignature */: return "__call"; case 153 /* ConstructorType */: case 148 /* ConstructSignature */: return "__new"; case 149 /* IndexSignature */: return "__index"; case 228 /* ExportDeclaration */: return "__export"; case 227 /* ExportAssignment */: return node.isExportEquals ? "export=" : "default"; case 181 /* BinaryExpression */: // Binary expression case is for JS module 'module.exports = expr' return "export="; case 213 /* FunctionDeclaration */: case 214 /* ClassDeclaration */: return node.flags & 512 /* Default */ ? "default" : undefined; } } function getDisplayName(node) { return node.name ? ts.declarationNameToString(node.name) : getDeclarationName(node); } /** * Declares a Symbol for the node and adds it to symbols. Reports errors for conflicting identifier names. * @param symbolTable - The symbol table which node will be added to. * @param parent - node's parent declaration. * @param node - The declaration to be added to the symbol table * @param includes - The SymbolFlags that node has in addition to its declaration type (eg: export, ambient, etc.) * @param excludes - The flags which node cannot be declared alongside in a symbol table. Used to report forbidden declarations. */ function declareSymbol(symbolTable, parent, node, includes, excludes) { ts.Debug.assert(!ts.hasDynamicName(node)); var isDefaultExport = node.flags & 512 /* Default */; // The exported symbol for an export default function/class node is always named "default" var name = isDefaultExport && parent ? "default" : getDeclarationName(node); var symbol; if (name !== undefined) { // Check and see if the symbol table already has a symbol with this name. If not, // create a new symbol with this name and add it to the table. Note that we don't // give the new symbol any flags *yet*. This ensures that it will not conflict // with the 'excludes' flags we pass in. // // If we do get an existing symbol, see if it conflicts with the new symbol we're // creating. For example, a 'var' symbol and a 'class' symbol will conflict within // the same symbol table. If we have a conflict, report the issue on each // declaration we have for this symbol, and then create a new symbol for this // declaration. // // If we created a new symbol, either because we didn't have a symbol with this name // in the symbol table, or we conflicted with an existing symbol, then just add this // node as the sole declaration of the new symbol. // // Otherwise, we'll be merging into a compatible existing symbol (for example when // you have multiple 'vars' with the same name in the same container). In this case // just add this node into the declarations list of the symbol. symbol = ts.hasProperty(symbolTable, name) ? symbolTable[name] : (symbolTable[name] = createSymbol(0 /* None */, name)); if (name && (includes & 788448 /* Classifiable */)) { classifiableNames[name] = name; } if (symbol.flags & excludes) { if (node.name) { node.name.parent = node; } // Report errors every position with duplicate declaration // Report errors on previous encountered declarations var message = symbol.flags & 2 /* BlockScopedVariable */ ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0; ts.forEach(symbol.declarations, function (declaration) { if (declaration.flags & 512 /* Default */) { message = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; } }); ts.forEach(symbol.declarations, function (declaration) { file.bindDiagnostics.push(ts.createDiagnosticForNode(declaration.name || declaration, message, getDisplayName(declaration))); }); file.bindDiagnostics.push(ts.createDiagnosticForNode(node.name || node, message, getDisplayName(node))); symbol = createSymbol(0 /* None */, name); } } else { symbol = createSymbol(0 /* None */, "__missing"); } addDeclarationToSymbol(symbol, node, includes); symbol.parent = parent; return symbol; } function declareModuleMember(node, symbolFlags, symbolExcludes) { var hasExportModifier = ts.getCombinedNodeFlags(node) & 2 /* Export */; if (symbolFlags & 8388608 /* Alias */) { if (node.kind === 230 /* ExportSpecifier */ || (node.kind === 221 /* ImportEqualsDeclaration */ && hasExportModifier)) { return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); } else { return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); } } else { // Exported module members are given 2 symbols: A local symbol that is classified with an ExportValue, // ExportType, or ExportContainer flag, and an associated export symbol with all the correct flags set // on it. There are 2 main reasons: // // 1. We treat locals and exports of the same name as mutually exclusive within a container. // That means the binder will issue a Duplicate Identifier error if you mix locals and exports // with the same name in the same container. // TODO: Make this a more specific error and decouple it from the exclusion logic. // 2. When we checkIdentifier in the checker, we set its resolved symbol to the local symbol, // but return the export symbol (by calling getExportSymbolOfValueSymbolIfExported). That way // when the emitter comes back to it, it knows not to qualify the name if it was found in a containing scope. if (hasExportModifier || container.flags & 131072 /* ExportContext */) { var exportKind = (symbolFlags & 107455 /* Value */ ? 1048576 /* ExportValue */ : 0) | (symbolFlags & 793056 /* Type */ ? 2097152 /* ExportType */ : 0) | (symbolFlags & 1536 /* Namespace */ ? 4194304 /* ExportNamespace */ : 0); var local = declareSymbol(container.locals, undefined, node, exportKind, symbolExcludes); local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); node.localSymbol = local; return local; } else { return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); } } } // All container nodes are kept on a linked list in declaration order. This list is used by // the getLocalNameOfContainer function in the type checker to validate that the local name // used for a container is unique. function bindChildren(node) { // Before we recurse into a node's chilren, we first save the existing parent, container // and block-container. Then after we pop out of processing the children, we restore // these saved values. var saveParent = parent; var saveContainer = container; var savedBlockScopeContainer = blockScopeContainer; // This node will now be set as the parent of all of its children as we recurse into them. parent = node; // Depending on what kind of node this is, we may have to adjust the current container // and block-container. If the current node is a container, then it is automatically // considered the current block-container as well. Also, for containers that we know // may contain locals, we proactively initialize the .locals field. We do this because // it's highly likely that the .locals will be needed to place some child in (for example, // a parameter, or variable declaration). // // However, we do not proactively create the .locals for block-containers because it's // totally normal and common for block-containers to never actually have a block-scoped // variable in them. We don't want to end up allocating an object for every 'block' we // run into when most of them won't be necessary. // // Finally, if this is a block-container, then we clear out any existing .locals object // it may contain within it. This happens in incremental scenarios. Because we can be // reusing a node from a previous compilation, that node may have had 'locals' created // for it. We must clear this so we don't accidently move any stale data forward from // a previous compilation. var containerFlags = getContainerFlags(node); if (containerFlags & 1 /* IsContainer */) { container = blockScopeContainer = node; if (containerFlags & 4 /* HasLocals */) { container.locals = {}; } addToContainerChain(container); } else if (containerFlags & 2 /* IsBlockScopedContainer */) { blockScopeContainer = node; blockScopeContainer.locals = undefined; } var savedReachabilityState; var savedLabelStack; var savedLabels; var savedImplicitLabels; var savedHasExplicitReturn; var kind = node.kind; var flags = node.flags; // reset all reachability check related flags on node (for incremental scenarios) flags &= ~1572864 /* ReachabilityCheckFlags */; if (kind === 215 /* InterfaceDeclaration */) { seenThisKeyword = false; } var saveState = kind === 248 /* SourceFile */ || kind === 219 /* ModuleBlock */ || ts.isFunctionLikeKind(kind); if (saveState) { savedReachabilityState = currentReachabilityState; savedLabelStack = labelStack; savedLabels = labelIndexMap; savedImplicitLabels = implicitLabels; savedHasExplicitReturn = hasExplicitReturn; currentReachabilityState = 2 /* Reachable */; hasExplicitReturn = false; labelStack = labelIndexMap = implicitLabels = undefined; } bindReachableStatement(node); if (currentReachabilityState === 2 /* Reachable */ && ts.isFunctionLikeKind(kind) && ts.nodeIsPresent(node.body)) { flags |= 524288 /* HasImplicitReturn */; if (hasExplicitReturn) { flags |= 1048576 /* HasExplicitReturn */; } } if (kind === 215 /* InterfaceDeclaration */) { flags = seenThisKeyword ? flags | 262144 /* ContainsThis */ : flags & ~262144 /* ContainsThis */; } node.flags = flags; if (saveState) { hasExplicitReturn = savedHasExplicitReturn; currentReachabilityState = savedReachabilityState; labelStack = savedLabelStack; labelIndexMap = savedLabels; implicitLabels = savedImplicitLabels; } container = saveContainer; parent = saveParent; blockScopeContainer = savedBlockScopeContainer; } /** * Returns true if node and its subnodes were successfully traversed. * Returning false means that node was not examined and caller needs to dive into the node himself. */ function bindReachableStatement(node) { if (checkUnreachable(node)) { ts.forEachChild(node, bind); return; } switch (node.kind) { case 198 /* WhileStatement */: bindWhileStatement(node); break; case 197 /* DoStatement */: bindDoStatement(node); break; case 199 /* ForStatement */: bindForStatement(node); break; case 200 /* ForInStatement */: case 201 /* ForOfStatement */: bindForInOrForOfStatement(node); break; case 196 /* IfStatement */: bindIfStatement(node); break; case 204 /* ReturnStatement */: case 208 /* ThrowStatement */: bindReturnOrThrow(node); break; case 203 /* BreakStatement */: case 202 /* ContinueStatement */: bindBreakOrContinueStatement(node); break; case 209 /* TryStatement */: bindTryStatement(node); break; case 206 /* SwitchStatement */: bindSwitchStatement(node); break; case 220 /* CaseBlock */: bindCaseBlock(node); break; case 207 /* LabeledStatement */: bindLabeledStatement(node); break; default: ts.forEachChild(node, bind); break; } } function bindWhileStatement(n) { var preWhileState = n.expression.kind === 84 /* FalseKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; var postWhileState = n.expression.kind === 99 /* TrueKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; // bind expressions (don't affect reachability) bind(n.expression); currentReachabilityState = preWhileState; var postWhileLabel = pushImplicitLabel(); bind(n.statement); popImplicitLabel(postWhileLabel, postWhileState); } function bindDoStatement(n) { var preDoState = currentReachabilityState; var postDoLabel = pushImplicitLabel(); bind(n.statement); var postDoState = n.expression.kind === 99 /* TrueKeyword */ ? 4 /* Unreachable */ : preDoState; popImplicitLabel(postDoLabel, postDoState); // bind expressions (don't affect reachability) bind(n.expression); } function bindForStatement(n) { var preForState = currentReachabilityState; var postForLabel = pushImplicitLabel(); // bind expressions (don't affect reachability) bind(n.initializer); bind(n.condition); bind(n.incrementor); bind(n.statement); // for statement is considered infinite when it condition is either omitted or is true keyword // - for(..;;..) // - for(..;true;..) var isInfiniteLoop = (!n.condition || n.condition.kind === 99 /* TrueKeyword */); var postForState = isInfiniteLoop ? 4 /* Unreachable */ : preForState; popImplicitLabel(postForLabel, postForState); } function bindForInOrForOfStatement(n) { var preStatementState = currentReachabilityState; var postStatementLabel = pushImplicitLabel(); // bind expressions (don't affect reachability) bind(n.initializer); bind(n.expression); bind(n.statement); popImplicitLabel(postStatementLabel, preStatementState); } function bindIfStatement(n) { // denotes reachability state when entering 'thenStatement' part of the if statement: // i.e. if condition is false then thenStatement is unreachable var ifTrueState = n.expression.kind === 84 /* FalseKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; // denotes reachability state when entering 'elseStatement': // i.e. if condition is true then elseStatement is unreachable var ifFalseState = n.expression.kind === 99 /* TrueKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; currentReachabilityState = ifTrueState; // bind expression (don't affect reachability) bind(n.expression); bind(n.thenStatement); if (n.elseStatement) { var preElseState = currentReachabilityState; currentReachabilityState = ifFalseState; bind(n.elseStatement); currentReachabilityState = or(currentReachabilityState, preElseState); } else { currentReachabilityState = or(currentReachabilityState, ifFalseState); } } function bindReturnOrThrow(n) { // bind expression (don't affect reachability) bind(n.expression); if (n.kind === 204 /* ReturnStatement */) { hasExplicitReturn = true; } currentReachabilityState = 4 /* Unreachable */; } function bindBreakOrContinueStatement(n) { // call bind on label (don't affect reachability) bind(n.label); // for continue case touch label so it will be marked a used var isValidJump = jumpToLabel(n.label, n.kind === 203 /* BreakStatement */ ? currentReachabilityState : 4 /* Unreachable */); if (isValidJump) { currentReachabilityState = 4 /* Unreachable */; } } function bindTryStatement(n) { // catch\finally blocks has the same reachability as try block var preTryState = currentReachabilityState; bind(n.tryBlock); var postTryState = currentReachabilityState; currentReachabilityState = preTryState; bind(n.catchClause); var postCatchState = currentReachabilityState; currentReachabilityState = preTryState; bind(n.finallyBlock); // post catch/finally state is reachable if // - post try state is reachable - control flow can fall out of try block // - post catch state is reachable - control flow can fall out of catch block currentReachabilityState = or(postTryState, postCatchState); } function bindSwitchStatement(n) { var preSwitchState = currentReachabilityState; var postSwitchLabel = pushImplicitLabel(); // bind expression (don't affect reachability) bind(n.expression); bind(n.caseBlock); var hasDefault = ts.forEach(n.caseBlock.clauses, function (c) { return c.kind === 242 /* DefaultClause */; }); // post switch state is unreachable if switch is exaustive (has a default case ) and does not have fallthrough from the last case var postSwitchState = hasDefault && currentReachabilityState !== 2 /* Reachable */ ? 4 /* Unreachable */ : preSwitchState; popImplicitLabel(postSwitchLabel, postSwitchState); } function bindCaseBlock(n) { var startState = currentReachabilityState; for (var _i = 0, _a = n.clauses; _i < _a.length; _i++) { var clause = _a[_i]; currentReachabilityState = startState; bind(clause); if (clause.statements.length && currentReachabilityState === 2 /* Reachable */ && options.noFallthroughCasesInSwitch) { errorOnFirstToken(clause, ts.Diagnostics.Fallthrough_case_in_switch); } } } function bindLabeledStatement(n) { // call bind on label (don't affect reachability) bind(n.label); var ok = pushNamedLabel(n.label); bind(n.statement); if (ok) { popNamedLabel(n.label, currentReachabilityState); } } function getContainerFlags(node) { switch (node.kind) { case 186 /* ClassExpression */: case 214 /* ClassDeclaration */: case 215 /* InterfaceDeclaration */: case 217 /* EnumDeclaration */: case 155 /* TypeLiteral */: case 165 /* ObjectLiteralExpression */: return 1 /* IsContainer */; case 147 /* CallSignature */: case 148 /* ConstructSignature */: case 149 /* IndexSignature */: case 143 /* MethodDeclaration */: case 142 /* MethodSignature */: case 213 /* FunctionDeclaration */: case 144 /* Constructor */: case 145 /* GetAccessor */: case 146 /* SetAccessor */: case 152 /* FunctionType */: case 153 /* ConstructorType */: case 173 /* FunctionExpression */: case 174 /* ArrowFunction */: case 218 /* ModuleDeclaration */: case 248 /* SourceFile */: case 216 /* TypeAliasDeclaration */: return 5 /* IsContainerWithLocals */; case 244 /* CatchClause */: case 199 /* ForStatement */: case 200 /* ForInStatement */: case 201 /* ForOfStatement */: case 220 /* CaseBlock */: return 2 /* IsBlockScopedContainer */; case 192 /* Block */: // do not treat blocks directly inside a function as a block-scoped-container. // Locals that reside in this block should go to the function locals. Othewise 'x' // would not appear to be a redeclaration of a block scoped local in the following // example: // // function foo() { // var x; // let x; // } // // If we placed 'var x' into the function locals and 'let x' into the locals of // the block, then there would be no collision. // // By not creating a new block-scoped-container here, we ensure that both 'var x' // and 'let x' go into the Function-container's locals, and we do get a collision // conflict. return ts.isFunctionLike(node.parent) ? 0 /* None */ : 2 /* IsBlockScopedContainer */; } return 0 /* None */; } function addToContainerChain(next) { if (lastContainer) { lastContainer.nextContainer = next; } lastContainer = next; } function declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes) { // Just call this directly so that the return type of this function stays "void". declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes); } function declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes) { switch (container.kind) { // Modules, source files, and classes need specialized handling for how their // members are declared (for example, a member of a class will go into a specific // symbol table depending on if it is static or not). We defer to specialized // handlers to take care of declaring these child members. case 218 /* ModuleDeclaration */: return declareModuleMember(node, symbolFlags, symbolExcludes); case 248 /* SourceFile */: return declareSourceFileMember(node, symbolFlags, symbolExcludes); case 186 /* ClassExpression */: case 214 /* ClassDeclaration */: return declareClassMember(node, symbolFlags, symbolExcludes); case 217 /* EnumDeclaration */: return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); case 155 /* TypeLiteral */: case 165 /* ObjectLiteralExpression */: case 215 /* InterfaceDeclaration */: // Interface/Object-types always have their children added to the 'members' of // their container. They are only accessible through an instance of their // container, and are never in scope otherwise (even inside the body of the // object / type / interface declaring them). An exception is type parameters, // which are in scope without qualification (similar to 'locals'). return declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); case 152 /* FunctionType */: case 153 /* ConstructorType */: case 147 /* CallSignature */: case 148 /* ConstructSignature */: case 149 /* IndexSignature */: case 143 /* MethodDeclaration */: case 142 /* MethodSignature */: case 144 /* Constructor */: case 145 /* GetAccessor */: case 146 /* SetAccessor */: case 213 /* FunctionDeclaration */: case 173 /* FunctionExpression */: case 174 /* ArrowFunction */: case 216 /* TypeAliasDeclaration */: // All the children of these container types are never visible through another // symbol (i.e. through another symbol's 'exports' or 'members'). Instead, // they're only accessed 'lexically' (i.e. from code that exists underneath // their container in the tree. To accomplish this, we simply add their declared // symbol to the 'locals' of the container. These symbols can then be found as // the type checker walks up the containers, checking them for matching names. return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); } } function declareClassMember(node, symbolFlags, symbolExcludes) { return node.flags & 64 /* Static */ ? declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes) : declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); } function declareSourceFileMember(node, symbolFlags, symbolExcludes) { return ts.isExternalModule(file) ? declareModuleMember(node, symbolFlags, symbolExcludes) : declareSymbol(file.locals, undefined, node, symbolFlags, symbolExcludes); } function hasExportDeclarations(node) { var body = node.kind === 248 /* SourceFile */ ? node : node.body; if (body.kind === 248 /* SourceFile */ || body.kind === 219 /* ModuleBlock */) { for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { var stat = _a[_i]; if (stat.kind === 228 /* ExportDeclaration */ || stat.kind === 227 /* ExportAssignment */) { return true; } } } return false; } function setExportContextFlag(node) { // A declaration source file or ambient module declaration that contains no export declarations (but possibly regular // declarations with export modifiers) is an export context in which declarations are implicitly exported. if (ts.isInAmbientContext(node) && !hasExportDeclarations(node)) { node.flags |= 131072 /* ExportContext */; } else { node.flags &= ~131072 /* ExportContext */; } } function bindModuleDeclaration(node) { setExportContextFlag(node); if (node.name.kind === 9 /* StringLiteral */) { declareSymbolAndAddToSymbolTable(node, 512 /* ValueModule */, 106639 /* ValueModuleExcludes */); } else { var state = getModuleInstanceState(node); if (state === 0 /* NonInstantiated */) { declareSymbolAndAddToSymbolTable(node, 1024 /* NamespaceModule */, 0 /* NamespaceModuleExcludes */); } else { declareSymbolAndAddToSymbolTable(node, 512 /* ValueModule */, 106639 /* ValueModuleExcludes */); if (node.symbol.flags & (16 /* Function */ | 32 /* Class */ | 256 /* RegularEnum */)) { // if module was already merged with some function, class or non-const enum // treat is a non-const-enum-only node.symbol.constEnumOnlyModule = false; } else { var currentModuleIsConstEnumOnly = state === 2 /* ConstEnumOnly */; if (node.symbol.constEnumOnlyModule === undefined) { // non-merged case - use the current state node.symbol.constEnumOnlyModule = currentModuleIsConstEnumOnly; } else { // merged case: module is const enum only if all its pieces are non-instantiated or const enum node.symbol.constEnumOnlyModule = node.symbol.constEnumOnlyModule && currentModuleIsConstEnumOnly; } } } } } function bindFunctionOrConstructorType(node) { // For a given function symbol "<...>(...) => T" we want to generate a symbol identical // to the one we would get for: { <...>(...): T } // // We do that by making an anonymous type literal symbol, and then setting the function // symbol as its sole member. To the rest of the system, this symbol will be indistinguishable // from an actual type literal symbol you would have gotten had you used the long form. var symbol = createSymbol(131072 /* Signature */, getDeclarationName(node)); addDeclarationToSymbol(symbol, node, 131072 /* Signature */); var typeLiteralSymbol = createSymbol(2048 /* TypeLiteral */, "__type"); addDeclarationToSymbol(typeLiteralSymbol, node, 2048 /* TypeLiteral */); typeLiteralSymbol.members = (_a = {}, _a[symbol.name] = symbol, _a); var _a; } function bindObjectLiteralExpression(node) { var ElementKind; (function (ElementKind) { ElementKind[ElementKind["Property"] = 1] = "Property"; ElementKind[ElementKind["Accessor"] = 2] = "Accessor"; })(ElementKind || (ElementKind = {})); if (inStrictMode) { var seen = {}; for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { var prop = _a[_i]; if (prop.name.kind !== 69 /* Identifier */) { continue; } var identifier = prop.name; // ECMA-262 11.1.5 Object Initialiser // If previous is not undefined then throw a SyntaxError exception if any of the following conditions are true // a.This production is contained in strict code and IsDataDescriptor(previous) is true and // IsDataDescriptor(propId.descriptor) is true. // b.IsDataDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true. // c.IsAccessorDescriptor(previous) is true and IsDataDescriptor(propId.descriptor) is true. // d.IsAccessorDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true // and either both previous and propId.descriptor have[[Get]] fields or both previous and propId.descriptor have[[Set]] fields var currentKind = prop.kind === 245 /* PropertyAssignment */ || prop.kind === 246 /* ShorthandPropertyAssignment */ || prop.kind === 143 /* MethodDeclaration */ ? 1 /* Property */ : 2 /* Accessor */; var existingKind = seen[identifier.text]; if (!existingKind) { seen[identifier.text] = currentKind; continue; } if (currentKind === 1 /* Property */ && existingKind === 1 /* Property */) { var span = ts.getErrorSpanForNode(file, identifier); file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode)); } } } return bindAnonymousDeclaration(node, 4096 /* ObjectLiteral */, "__object"); } function bindAnonymousDeclaration(node, symbolFlags, name) { var symbol = createSymbol(symbolFlags, name); addDeclarationToSymbol(symbol, node, symbolFlags); } function bindBlockScopedDeclaration(node, symbolFlags, symbolExcludes) { switch (blockScopeContainer.kind) { case 218 /* ModuleDeclaration */: declareModuleMember(node, symbolFlags, symbolExcludes); break; case 248 /* SourceFile */: if (ts.isExternalModule(container)) { declareModuleMember(node, symbolFlags, symbolExcludes); break; } // fall through. default: if (!blockScopeContainer.locals) { blockScopeContainer.locals = {}; addToContainerChain(blockScopeContainer); } declareSymbol(blockScopeContainer.locals, undefined, node, symbolFlags, symbolExcludes); } } function bindBlockScopedVariableDeclaration(node) { bindBlockScopedDeclaration(node, 2 /* BlockScopedVariable */, 107455 /* BlockScopedVariableExcludes */); } // The binder visits every node in the syntax tree so it is a convenient place to perform a single localized // check for reserved words used as identifiers in strict mode code. function checkStrictModeIdentifier(node) { if (inStrictMode && node.originalKeywordKind >= 106 /* FirstFutureReservedWord */ && node.originalKeywordKind <= 114 /* LastFutureReservedWord */ && !ts.isIdentifierName(node)) { // Report error only if there are no parse errors in file if (!file.parseDiagnostics.length) { file.bindDiagnostics.push(ts.createDiagnosticForNode(node, getStrictModeIdentifierMessage(node), ts.declarationNameToString(node))); } } } function getStrictModeIdentifierMessage(node) { // Provide specialized messages to help the user understand why we think they're in // strict mode. if (ts.getContainingClass(node)) { return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode; } if (file.externalModuleIndicator) { return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode; } return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode; } function checkStrictModeBinaryExpression(node) { if (inStrictMode && ts.isLeftHandSideExpression(node.left) && ts.isAssignmentOperator(node.operatorToken.kind)) { // ECMA 262 (Annex C) The identifier eval or arguments may not appear as the LeftHandSideExpression of an // Assignment operator(11.13) or of a PostfixExpression(11.3) checkStrictModeEvalOrArguments(node, node.left); } } function checkStrictModeCatchClause(node) { // It is a SyntaxError if a TryStatement with a Catch occurs within strict code and the Identifier of the // Catch production is eval or arguments if (inStrictMode && node.variableDeclaration) { checkStrictModeEvalOrArguments(node, node.variableDeclaration.name); } } function checkStrictModeDeleteExpression(node) { // Grammar checking if (inStrictMode && node.expression.kind === 69 /* Identifier */) { // When a delete operator occurs within strict mode code, a SyntaxError is thrown if its // UnaryExpression is a direct reference to a variable, function argument, or function name var span = ts.getErrorSpanForNode(file, node.expression); file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode)); } } function isEvalOrArgumentsIdentifier(node) { return node.kind === 69 /* Identifier */ && (node.text === "eval" || node.text === "arguments"); } function checkStrictModeEvalOrArguments(contextNode, name) { if (name && name.kind === 69 /* Identifier */) { var identifier = name; if (isEvalOrArgumentsIdentifier(identifier)) { // We check first if the name is inside class declaration or class expression; if so give explicit message // otherwise report generic error message. var span = ts.getErrorSpanForNode(file, name); file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, getStrictModeEvalOrArgumentsMessage(contextNode), identifier.text)); } } } function getStrictModeEvalOrArgumentsMessage(node) { // Provide specialized messages to help the user understand why we think they're in // strict mode. if (ts.getContainingClass(node)) { return ts.Diagnostics.Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode; } if (file.externalModuleIndicator) { return ts.Diagnostics.Invalid_use_of_0_Modules_are_automatically_in_strict_mode; } return ts.Diagnostics.Invalid_use_of_0_in_strict_mode; } function checkStrictModeFunctionName(node) { if (inStrictMode) { // It is a SyntaxError if the identifier eval or arguments appears within a FormalParameterList of a strict mode FunctionDeclaration or FunctionExpression (13.1)) checkStrictModeEvalOrArguments(node, node.name); } } function checkStrictModeNumericLiteral(node) { if (inStrictMode && node.flags & 32768 /* OctalLiteral */) { file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode)); } } function checkStrictModePostfixUnaryExpression(node) { // Grammar checking // The identifier eval or arguments may not appear as the LeftHandSideExpression of an // Assignment operator(11.13) or of a PostfixExpression(11.3) or as the UnaryExpression // operated upon by a Prefix Increment(11.4.4) or a Prefix Decrement(11.4.5) operator. if (inStrictMode) { checkStrictModeEvalOrArguments(node, node.operand); } } function checkStrictModePrefixUnaryExpression(node) { // Grammar checking if (inStrictMode) { if (node.operator === 41 /* PlusPlusToken */ || node.operator === 42 /* MinusMinusToken */) { checkStrictModeEvalOrArguments(node, node.operand); } } } function checkStrictModeWithStatement(node) { // Grammar checking for withStatement if (inStrictMode) { errorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode); } } function errorOnFirstToken(node, message, arg0, arg1, arg2) { var span = ts.getSpanOfTokenAtPosition(file, node.pos); file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, message, arg0, arg1, arg2)); } function getDestructuringParameterName(node) { return "__" + ts.indexOf(node.parent.parameters, node); } function bind(node) { if (!node) { return; } node.parent = parent; var savedInStrictMode = inStrictMode; if (!savedInStrictMode) { updateStrictMode(node); } // First we bind declaration nodes to a symbol if possible. We'll both create a symbol // and then potentially add the symbol to an appropriate symbol table. Possible // destination symbol tables are: // // 1) The 'exports' table of the current container's symbol. // 2) The 'members' table of the current container's symbol. // 3) The 'locals' table of the current container. // // However, not all symbols will end up in any of these tables. 'Anonymous' symbols // (like TypeLiterals for example) will not be put in any table. bindWorker(node); // Then we recurse into the children of the node to bind them as well. For certain // symbols we do specialized work when we recurse. For example, we'll keep track of // the current 'container' node when it changes. This helps us know which symbol table // a local should go into for example. bindChildren(node); inStrictMode = savedInStrictMode; } function updateStrictMode(node) { switch (node.kind) { case 248 /* SourceFile */: case 219 /* ModuleBlock */: updateStrictModeStatementList(node.statements); return; case 192 /* Block */: if (ts.isFunctionLike(node.parent)) { updateStrictModeStatementList(node.statements); } return; case 214 /* ClassDeclaration */: case 186 /* ClassExpression */: // All classes are automatically in strict mode in ES6. inStrictMode = true; return; } } function updateStrictModeStatementList(statements) { for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) { var statement = statements_1[_i]; if (!ts.isPrologueDirective(statement)) { return; } if (isUseStrictPrologueDirective(statement)) { inStrictMode = true; return; } } } /// Should be called only on prologue directives (isPrologueDirective(node) should be true) function isUseStrictPrologueDirective(node) { var nodeText = ts.getTextOfNodeFromSourceText(file.text, node.expression); // Note: the node text must be exactly "use strict" or 'use strict'. It is not ok for the // string to contain unicode escapes (as per ES5). return nodeText === "\"use strict\"" || nodeText === "'use strict'"; } function bindWorker(node) { switch (node.kind) { /* Strict mode checks */ case 69 /* Identifier */: return checkStrictModeIdentifier(node); case 181 /* BinaryExpression */: if (ts.isInJavaScriptFile(node)) { if (ts.isExportsPropertyAssignment(node)) { bindExportsPropertyAssignment(node); } else if (ts.isModuleExportsAssignment(node)) { bindModuleExportsAssignment(node); } } return checkStrictModeBinaryExpression(node); case 244 /* CatchClause */: return checkStrictModeCatchClause(node); case 175 /* DeleteExpression */: return checkStrictModeDeleteExpression(node); case 8 /* NumericLiteral */: return checkStrictModeNumericLiteral(node); case 180 /* PostfixUnaryExpression */: return checkStrictModePostfixUnaryExpression(node); case 179 /* PrefixUnaryExpression */: return checkStrictModePrefixUnaryExpression(node); case 205 /* WithStatement */: return checkStrictModeWithStatement(node); case 97 /* ThisKeyword */: seenThisKeyword = true; return; case 137 /* TypeParameter */: return declareSymbolAndAddToSymbolTable(node, 262144 /* TypeParameter */, 530912 /* TypeParameterExcludes */); case 138 /* Parameter */: return bindParameter(node); case 211 /* VariableDeclaration */: case 163 /* BindingElement */: return bindVariableDeclarationOrBindingElement(node); case 141 /* PropertyDeclaration */: case 140 /* PropertySignature */: return bindPropertyOrMethodOrAccessor(node, 4 /* Property */ | (node.questionToken ? 536870912 /* Optional */ : 0 /* None */), 107455 /* PropertyExcludes */); case 245 /* PropertyAssignment */: case 246 /* ShorthandPropertyAssignment */: return bindPropertyOrMethodOrAccessor(node, 4 /* Property */, 107455 /* PropertyExcludes */); case 247 /* EnumMember */: return bindPropertyOrMethodOrAccessor(node, 8 /* EnumMember */, 107455 /* EnumMemberExcludes */); case 147 /* CallSignature */: case 148 /* ConstructSignature */: case 149 /* IndexSignature */: return declareSymbolAndAddToSymbolTable(node, 131072 /* Signature */, 0 /* None */); case 143 /* MethodDeclaration */: case 142 /* MethodSignature */: // If this is an ObjectLiteralExpression method, then it sits in the same space // as other properties in the object literal. So we use SymbolFlags.PropertyExcludes // so that it will conflict with any other object literal members with the same // name. return bindPropertyOrMethodOrAccessor(node, 8192 /* Method */ | (node.questionToken ? 536870912 /* Optional */ : 0 /* None */), ts.isObjectLiteralMethod(node) ? 107455 /* PropertyExcludes */ : 99263 /* MethodExcludes */); case 213 /* FunctionDeclaration */: checkStrictModeFunctionName(node); return declareSymbolAndAddToSymbolTable(node, 16 /* Function */, 106927 /* FunctionExcludes */); case 144 /* Constructor */: return declareSymbolAndAddToSymbolTable(node, 16384 /* Constructor */, /*symbolExcludes:*/ 0 /* None */); case 145 /* GetAccessor */: return bindPropertyOrMethodOrAccessor(node, 32768 /* GetAccessor */, 41919 /* GetAccessorExcludes */); case 146 /* SetAccessor */: return bindPropertyOrMethodOrAccessor(node, 65536 /* SetAccessor */, 74687 /* SetAccessorExcludes */); case 152 /* FunctionType */: case 153 /* ConstructorType */: return bindFunctionOrConstructorType(node); case 155 /* TypeLiteral */: return bindAnonymousDeclaration(node, 2048 /* TypeLiteral */, "__type"); case 165 /* ObjectLiteralExpression */: return bindObjectLiteralExpression(node); case 173 /* FunctionExpression */: case 174 /* ArrowFunction */: checkStrictModeFunctionName(node); var bindingName = node.name ? node.name.text : "__function"; return bindAnonymousDeclaration(node, 16 /* Function */, bindingName); case 168 /* CallExpression */: if (ts.isInJavaScriptFile(node)) { bindCallExpression(node); } break; // Members of classes, interfaces, and modules case 186 /* ClassExpression */: case 214 /* ClassDeclaration */: return bindClassLikeDeclaration(node); case 215 /* InterfaceDeclaration */: return bindBlockScopedDeclaration(node, 64 /* Interface */, 792960 /* InterfaceExcludes */); case 216 /* TypeAliasDeclaration */: return bindBlockScopedDeclaration(node, 524288 /* TypeAlias */, 793056 /* TypeAliasExcludes */); case 217 /* EnumDeclaration */: return bindEnumDeclaration(node); case 218 /* ModuleDeclaration */: return bindModuleDeclaration(node); // Imports and exports case 221 /* ImportEqualsDeclaration */: case 224 /* NamespaceImport */: case 226 /* ImportSpecifier */: case 230 /* ExportSpecifier */: return declareSymbolAndAddToSymbolTable(node, 8388608 /* Alias */, 8388608 /* AliasExcludes */); case 223 /* ImportClause */: return bindImportClause(node); case 228 /* ExportDeclaration */: return bindExportDeclaration(node); case 227 /* ExportAssignment */: return bindExportAssignment(node); case 248 /* SourceFile */: return bindSourceFileIfExternalModule(); } } function bindSourceFileIfExternalModule() { setExportContextFlag(file); if (ts.isExternalModule(file)) { bindSourceFileAsExternalModule(); } } function bindSourceFileAsExternalModule() { bindAnonymousDeclaration(file, 512 /* ValueModule */, "\"" + ts.removeFileExtension(file.fileName) + "\""); } function bindExportAssignment(node) { var boundExpression = node.kind === 227 /* ExportAssignment */ ? node.expression : node.right; if (!container.symbol || !container.symbol.exports) { // Export assignment in some sort of block construct bindAnonymousDeclaration(node, 8388608 /* Alias */, getDeclarationName(node)); } else if (boundExpression.kind === 69 /* Identifier */) { // An export default clause with an identifier exports all meanings of that identifier declareSymbol(container.symbol.exports, container.symbol, node, 8388608 /* Alias */, 107455 /* PropertyExcludes */ | 8388608 /* AliasExcludes */); } else { // An export default clause with an expression exports a value declareSymbol(container.symbol.exports, container.symbol, node, 4 /* Property */, 107455 /* PropertyExcludes */ | 8388608 /* AliasExcludes */); } } function bindExportDeclaration(node) { if (!container.symbol || !container.symbol.exports) { // Export * in some sort of block construct bindAnonymousDeclaration(node, 1073741824 /* ExportStar */, getDeclarationName(node)); } else if (!node.exportClause) { // All export * declarations are collected in an __export symbol declareSymbol(container.symbol.exports, container.symbol, node, 1073741824 /* ExportStar */, 0 /* None */); } } function bindImportClause(node) { if (node.name) { declareSymbolAndAddToSymbolTable(node, 8388608 /* Alias */, 8388608 /* AliasExcludes */); } } function setCommonJsModuleIndicator(node) { if (!file.commonJsModuleIndicator) { file.commonJsModuleIndicator = node; bindSourceFileAsExternalModule(); } } function bindExportsPropertyAssignment(node) { // When we create a property via 'exports.foo = bar', the 'exports.foo' property access // expression is the declaration setCommonJsModuleIndicator(node); declareSymbol(file.symbol.exports, file.symbol, node.left, 4 /* Property */ | 7340032 /* Export */, 0 /* None */); } function bindModuleExportsAssignment(node) { // 'module.exports = expr' assignment setCommonJsModuleIndicator(node); bindExportAssignment(node); } function bindCallExpression(node) { // We're only inspecting call expressions to detect CommonJS modules, so we can skip // this check if we've already seen the module indicator if (!file.commonJsModuleIndicator && ts.isRequireCall(node)) { setCommonJsModuleIndicator(node); } } function bindClassLikeDeclaration(node) { if (node.kind === 214 /* ClassDeclaration */) { bindBlockScopedDeclaration(node, 32 /* Class */, 899519 /* ClassExcludes */); } else { var bindingName = node.name ? node.name.text : "__class"; bindAnonymousDeclaration(node, 32 /* Class */, bindingName); // Add name of class expression into the map for semantic classifier if (node.name) { classifiableNames[node.name.text] = node.name.text; } } var symbol = node.symbol; // TypeScript 1.0 spec (April 2014): 8.4 // Every class automatically contains a static property member named 'prototype', the // type of which is an instantiation of the class type with type Any supplied as a type // argument for each type parameter. It is an error to explicitly declare a static // property member with the name 'prototype'. // // Note: we check for this here because this class may be merging into a module. The // module might have an exported variable called 'prototype'. We can't allow that as // that would clash with the built-in 'prototype' for the class. var prototypeSymbol = createSymbol(4 /* Property */ | 134217728 /* Prototype */, "prototype"); if (ts.hasProperty(symbol.exports, prototypeSymbol.name)) { if (node.name) { node.name.parent = node; } file.bindDiagnostics.push(ts.createDiagnosticForNode(symbol.exports[prototypeSymbol.name].declarations[0], ts.Diagnostics.Duplicate_identifier_0, prototypeSymbol.name)); } symbol.exports[prototypeSymbol.name] = prototypeSymbol; prototypeSymbol.parent = symbol; } function bindEnumDeclaration(node) { return ts.isConst(node) ? bindBlockScopedDeclaration(node, 128 /* ConstEnum */, 899967 /* ConstEnumExcludes */) : bindBlockScopedDeclaration(node, 256 /* RegularEnum */, 899327 /* RegularEnumExcludes */); } function bindVariableDeclarationOrBindingElement(node) { if (inStrictMode) { checkStrictModeEvalOrArguments(node, node.name); } if (!ts.isBindingPattern(node.name)) { if (ts.isBlockOrCatchScoped(node)) { bindBlockScopedVariableDeclaration(node); } else if (ts.isParameterDeclaration(node)) { // It is safe to walk up parent chain to find whether the node is a destructing parameter declaration // because its parent chain has already been set up, since parents are set before descending into children. // // If node is a binding element in parameter declaration, we need to use ParameterExcludes. // Using ParameterExcludes flag allows the compiler to report an error on duplicate identifiers in Parameter Declaration // For example: // function foo([a,a]) {} // Duplicate Identifier error // function bar(a,a) {} // Duplicate Identifier error, parameter declaration in this case is handled in bindParameter // // which correctly set excluded symbols declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 107455 /* ParameterExcludes */); } else { declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 107454 /* FunctionScopedVariableExcludes */); } } } function bindParameter(node) { if (inStrictMode) { // It is a SyntaxError if the identifier eval or arguments appears within a FormalParameterList of a // strict mode FunctionLikeDeclaration or FunctionExpression(13.1) checkStrictModeEvalOrArguments(node, node.name); } if (ts.isBindingPattern(node.name)) { bindAnonymousDeclaration(node, 1 /* FunctionScopedVariable */, getDestructuringParameterName(node)); } else { declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 107455 /* ParameterExcludes */); } // If this is a property-parameter, then also declare the property symbol into the // containing class. if (node.flags & 56 /* AccessibilityModifier */ && node.parent.kind === 144 /* Constructor */ && ts.isClassLike(node.parent.parent)) { var classDeclaration = node.parent.parent; declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4 /* Property */, 107455 /* PropertyExcludes */); } } function bindPropertyOrMethodOrAccessor(node, symbolFlags, symbolExcludes) { return ts.hasDynamicName(node) ? bindAnonymousDeclaration(node, symbolFlags, "__computed") : declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes); } // reachability checks function pushNamedLabel(name) { initializeReachabilityStateIfNecessary(); if (ts.hasProperty(labelIndexMap, name.text)) { return false; } labelIndexMap[name.text] = labelStack.push(1 /* Unintialized */) - 1; return true; } function pushImplicitLabel() { initializeReachabilityStateIfNecessary(); var index = labelStack.push(1 /* Unintialized */) - 1; implicitLabels.push(index); return index; } function popNamedLabel(label, outerState) { var index = labelIndexMap[label.text]; ts.Debug.assert(index !== undefined); ts.Debug.assert(labelStack.length == index + 1); labelIndexMap[label.text] = undefined; setCurrentStateAtLabel(labelStack.pop(), outerState, label); } function popImplicitLabel(implicitLabelIndex, outerState) { if (labelStack.length !== implicitLabelIndex + 1) { ts.Debug.assert(false, "Label stack: " + labelStack.length + ", index:" + implicitLabelIndex); } var i = implicitLabels.pop(); if (implicitLabelIndex !== i) { ts.Debug.assert(false, "i: " + i + ", index: " + implicitLabelIndex); } setCurrentStateAtLabel(labelStack.pop(), outerState, /*name*/ undefined); } function setCurrentStateAtLabel(innerMergedState, outerState, label) { if (innerMergedState === 1 /* Unintialized */) { if (label && !options.allowUnusedLabels) { file.bindDiagnostics.push(ts.createDiagnosticForNode(label, ts.Diagnostics.Unused_label)); } currentReachabilityState = outerState; } else { currentReachabilityState = or(innerMergedState, outerState); } } function jumpToLabel(label, outerState) { initializeReachabilityStateIfNecessary(); var index = label ? labelIndexMap[label.text] : ts.lastOrUndefined(implicitLabels); if (index === undefined) { // reference to unknown label or // break/continue used outside of loops return false; } var stateAtLabel = labelStack[index]; labelStack[index] = stateAtLabel === 1 /* Unintialized */ ? outerState : or(stateAtLabel, outerState); return true; } function checkUnreachable(node) { switch (currentReachabilityState) { case 4 /* Unreachable */: var reportError = // report error on all statements except empty ones (ts.isStatement(node) && node.kind !== 194 /* EmptyStatement */) || // report error on class declarations node.kind === 214 /* ClassDeclaration */ || // report error on instantiated modules or const-enums only modules if preserveConstEnums is set (node.kind === 218 /* ModuleDeclaration */ && shouldReportErrorOnModuleDeclaration(node)) || // report error on regular enums and const enums if preserveConstEnums is set (node.kind === 217 /* EnumDeclaration */ && (!ts.isConstEnumDeclaration(node) || options.preserveConstEnums)); if (reportError) { currentReachabilityState = 8 /* ReportedUnreachable */; // unreachable code is reported if // - user has explicitly asked about it AND // - statement is in not ambient context (statements in ambient context is already an error // so we should not report extras) AND // - node is not variable statement OR // - node is block scoped variable statement OR // - node is not block scoped variable statement and at least one variable declaration has initializer // Rationale: we don't want to report errors on non-initialized var's since they are hoisted // On the other side we do want to report errors on non-initialized 'lets' because of TDZ var reportUnreachableCode = !options.allowUnreachableCode && !ts.isInAmbientContext(node) && (node.kind !== 193 /* VariableStatement */ || ts.getCombinedNodeFlags(node.declarationList) & 24576 /* BlockScoped */ || ts.forEach(node.declarationList.declarations, function (d) { return d.initializer; })); if (reportUnreachableCode) { errorOnFirstToken(node, ts.Diagnostics.Unreachable_code_detected); } } case 8 /* ReportedUnreachable */: return true; default: return false; } function shouldReportErrorOnModuleDeclaration(node) { var instanceState = getModuleInstanceState(node); return instanceState === 1 /* Instantiated */ || (instanceState === 2 /* ConstEnumOnly */ && options.preserveConstEnums); } } function initializeReachabilityStateIfNecessary() { if (labelIndexMap) { return; } currentReachabilityState = 2 /* Reachable */; labelIndexMap = {}; labelStack = []; implicitLabels = []; } }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
createBinder
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindSourceFile(f, opts) { file = f; options = opts; inStrictMode = !!file.externalModuleIndicator; classifiableNames = {}; Symbol = ts.objectAllocator.getSymbolConstructor(); if (!file.locals) { bind(file); file.symbolCount = symbolCount; file.classifiableNames = classifiableNames; } parent = undefined; container = undefined; blockScopeContainer = undefined; lastContainer = undefined; seenThisKeyword = false; hasExplicitReturn = false; labelStack = undefined; labelIndexMap = undefined; implicitLabels = undefined; }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
bindSourceFile
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function createSymbol(flags, name) { symbolCount++; return new Symbol(flags, name); }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
createSymbol
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function addDeclarationToSymbol(symbol, node, symbolFlags) { symbol.flags |= symbolFlags; node.symbol = symbol; if (!symbol.declarations) { symbol.declarations = []; } symbol.declarations.push(node); if (symbolFlags & 1952 /* HasExports */ && !symbol.exports) { symbol.exports = {}; } if (symbolFlags & 6240 /* HasMembers */ && !symbol.members) { symbol.members = {}; } if (symbolFlags & 107455 /* Value */ && !symbol.valueDeclaration) { symbol.valueDeclaration = node; } }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
addDeclarationToSymbol
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function getDeclarationName(node) { if (node.name) { if (node.kind === 218 /* ModuleDeclaration */ && node.name.kind === 9 /* StringLiteral */) { return "\"" + node.name.text + "\""; } if (node.name.kind === 136 /* ComputedPropertyName */) { var nameExpression = node.name.expression; // treat computed property names where expression is string/numeric literal as just string/numeric literal if (ts.isStringOrNumericLiteral(nameExpression.kind)) { return nameExpression.text; } ts.Debug.assert(ts.isWellKnownSymbolSyntactically(nameExpression)); return ts.getPropertyNameForKnownSymbolName(nameExpression.name.text); } return node.name.text; } switch (node.kind) { case 144 /* Constructor */: return "__constructor"; case 152 /* FunctionType */: case 147 /* CallSignature */: return "__call"; case 153 /* ConstructorType */: case 148 /* ConstructSignature */: return "__new"; case 149 /* IndexSignature */: return "__index"; case 228 /* ExportDeclaration */: return "__export"; case 227 /* ExportAssignment */: return node.isExportEquals ? "export=" : "default"; case 181 /* BinaryExpression */: // Binary expression case is for JS module 'module.exports = expr' return "export="; case 213 /* FunctionDeclaration */: case 214 /* ClassDeclaration */: return node.flags & 512 /* Default */ ? "default" : undefined; } }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
getDeclarationName
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function getDisplayName(node) { return node.name ? ts.declarationNameToString(node.name) : getDeclarationName(node); }
".length; pos < end;) { var ch = content.charCodeAt(pos); pos++; if (ch === 64 /* at
getDisplayName
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function declareSymbol(symbolTable, parent, node, includes, excludes) { ts.Debug.assert(!ts.hasDynamicName(node)); var isDefaultExport = node.flags & 512 /* Default */; // The exported symbol for an export default function/class node is always named "default" var name = isDefaultExport && parent ? "default" : getDeclarationName(node); var symbol; if (name !== undefined) { // Check and see if the symbol table already has a symbol with this name. If not, // create a new symbol with this name and add it to the table. Note that we don't // give the new symbol any flags *yet*. This ensures that it will not conflict // with the 'excludes' flags we pass in. // // If we do get an existing symbol, see if it conflicts with the new symbol we're // creating. For example, a 'var' symbol and a 'class' symbol will conflict within // the same symbol table. If we have a conflict, report the issue on each // declaration we have for this symbol, and then create a new symbol for this // declaration. // // If we created a new symbol, either because we didn't have a symbol with this name // in the symbol table, or we conflicted with an existing symbol, then just add this // node as the sole declaration of the new symbol. // // Otherwise, we'll be merging into a compatible existing symbol (for example when // you have multiple 'vars' with the same name in the same container). In this case // just add this node into the declarations list of the symbol. symbol = ts.hasProperty(symbolTable, name) ? symbolTable[name] : (symbolTable[name] = createSymbol(0 /* None */, name)); if (name && (includes & 788448 /* Classifiable */)) { classifiableNames[name] = name; } if (symbol.flags & excludes) { if (node.name) { node.name.parent = node; } // Report errors every position with duplicate declaration // Report errors on previous encountered declarations var message = symbol.flags & 2 /* BlockScopedVariable */ ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0; ts.forEach(symbol.declarations, function (declaration) { if (declaration.flags & 512 /* Default */) { message = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; } }); ts.forEach(symbol.declarations, function (declaration) { file.bindDiagnostics.push(ts.createDiagnosticForNode(declaration.name || declaration, message, getDisplayName(declaration))); }); file.bindDiagnostics.push(ts.createDiagnosticForNode(node.name || node, message, getDisplayName(node))); symbol = createSymbol(0 /* None */, name); } } else { symbol = createSymbol(0 /* None */, "__missing"); } addDeclarationToSymbol(symbol, node, includes); symbol.parent = parent; return symbol; }
Declares a Symbol for the node and adds it to symbols. Reports errors for conflicting identifier names. @param symbolTable - The symbol table which node will be added to. @param parent - node's parent declaration. @param node - The declaration to be added to the symbol table @param includes - The SymbolFlags that node has in addition to its declaration type (eg: export, ambient, etc.) @param excludes - The flags which node cannot be declared alongside in a symbol table. Used to report forbidden declarations.
declareSymbol
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function declareModuleMember(node, symbolFlags, symbolExcludes) { var hasExportModifier = ts.getCombinedNodeFlags(node) & 2 /* Export */; if (symbolFlags & 8388608 /* Alias */) { if (node.kind === 230 /* ExportSpecifier */ || (node.kind === 221 /* ImportEqualsDeclaration */ && hasExportModifier)) { return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); } else { return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); } } else { // Exported module members are given 2 symbols: A local symbol that is classified with an ExportValue, // ExportType, or ExportContainer flag, and an associated export symbol with all the correct flags set // on it. There are 2 main reasons: // // 1. We treat locals and exports of the same name as mutually exclusive within a container. // That means the binder will issue a Duplicate Identifier error if you mix locals and exports // with the same name in the same container. // TODO: Make this a more specific error and decouple it from the exclusion logic. // 2. When we checkIdentifier in the checker, we set its resolved symbol to the local symbol, // but return the export symbol (by calling getExportSymbolOfValueSymbolIfExported). That way // when the emitter comes back to it, it knows not to qualify the name if it was found in a containing scope. if (hasExportModifier || container.flags & 131072 /* ExportContext */) { var exportKind = (symbolFlags & 107455 /* Value */ ? 1048576 /* ExportValue */ : 0) | (symbolFlags & 793056 /* Type */ ? 2097152 /* ExportType */ : 0) | (symbolFlags & 1536 /* Namespace */ ? 4194304 /* ExportNamespace */ : 0); var local = declareSymbol(container.locals, undefined, node, exportKind, symbolExcludes); local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); node.localSymbol = local; return local; } else { return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); } } }
Declares a Symbol for the node and adds it to symbols. Reports errors for conflicting identifier names. @param symbolTable - The symbol table which node will be added to. @param parent - node's parent declaration. @param node - The declaration to be added to the symbol table @param includes - The SymbolFlags that node has in addition to its declaration type (eg: export, ambient, etc.) @param excludes - The flags which node cannot be declared alongside in a symbol table. Used to report forbidden declarations.
declareModuleMember
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindChildren(node) { // Before we recurse into a node's chilren, we first save the existing parent, container // and block-container. Then after we pop out of processing the children, we restore // these saved values. var saveParent = parent; var saveContainer = container; var savedBlockScopeContainer = blockScopeContainer; // This node will now be set as the parent of all of its children as we recurse into them. parent = node; // Depending on what kind of node this is, we may have to adjust the current container // and block-container. If the current node is a container, then it is automatically // considered the current block-container as well. Also, for containers that we know // may contain locals, we proactively initialize the .locals field. We do this because // it's highly likely that the .locals will be needed to place some child in (for example, // a parameter, or variable declaration). // // However, we do not proactively create the .locals for block-containers because it's // totally normal and common for block-containers to never actually have a block-scoped // variable in them. We don't want to end up allocating an object for every 'block' we // run into when most of them won't be necessary. // // Finally, if this is a block-container, then we clear out any existing .locals object // it may contain within it. This happens in incremental scenarios. Because we can be // reusing a node from a previous compilation, that node may have had 'locals' created // for it. We must clear this so we don't accidently move any stale data forward from // a previous compilation. var containerFlags = getContainerFlags(node); if (containerFlags & 1 /* IsContainer */) { container = blockScopeContainer = node; if (containerFlags & 4 /* HasLocals */) { container.locals = {}; } addToContainerChain(container); } else if (containerFlags & 2 /* IsBlockScopedContainer */) { blockScopeContainer = node; blockScopeContainer.locals = undefined; } var savedReachabilityState; var savedLabelStack; var savedLabels; var savedImplicitLabels; var savedHasExplicitReturn; var kind = node.kind; var flags = node.flags; // reset all reachability check related flags on node (for incremental scenarios) flags &= ~1572864 /* ReachabilityCheckFlags */; if (kind === 215 /* InterfaceDeclaration */) { seenThisKeyword = false; } var saveState = kind === 248 /* SourceFile */ || kind === 219 /* ModuleBlock */ || ts.isFunctionLikeKind(kind); if (saveState) { savedReachabilityState = currentReachabilityState; savedLabelStack = labelStack; savedLabels = labelIndexMap; savedImplicitLabels = implicitLabels; savedHasExplicitReturn = hasExplicitReturn; currentReachabilityState = 2 /* Reachable */; hasExplicitReturn = false; labelStack = labelIndexMap = implicitLabels = undefined; } bindReachableStatement(node); if (currentReachabilityState === 2 /* Reachable */ && ts.isFunctionLikeKind(kind) && ts.nodeIsPresent(node.body)) { flags |= 524288 /* HasImplicitReturn */; if (hasExplicitReturn) { flags |= 1048576 /* HasExplicitReturn */; } } if (kind === 215 /* InterfaceDeclaration */) { flags = seenThisKeyword ? flags | 262144 /* ContainsThis */ : flags & ~262144 /* ContainsThis */; } node.flags = flags; if (saveState) { hasExplicitReturn = savedHasExplicitReturn; currentReachabilityState = savedReachabilityState; labelStack = savedLabelStack; labelIndexMap = savedLabels; implicitLabels = savedImplicitLabels; } container = saveContainer; parent = saveParent; blockScopeContainer = savedBlockScopeContainer; }
Declares a Symbol for the node and adds it to symbols. Reports errors for conflicting identifier names. @param symbolTable - The symbol table which node will be added to. @param parent - node's parent declaration. @param node - The declaration to be added to the symbol table @param includes - The SymbolFlags that node has in addition to its declaration type (eg: export, ambient, etc.) @param excludes - The flags which node cannot be declared alongside in a symbol table. Used to report forbidden declarations.
bindChildren
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindReachableStatement(node) { if (checkUnreachable(node)) { ts.forEachChild(node, bind); return; } switch (node.kind) { case 198 /* WhileStatement */: bindWhileStatement(node); break; case 197 /* DoStatement */: bindDoStatement(node); break; case 199 /* ForStatement */: bindForStatement(node); break; case 200 /* ForInStatement */: case 201 /* ForOfStatement */: bindForInOrForOfStatement(node); break; case 196 /* IfStatement */: bindIfStatement(node); break; case 204 /* ReturnStatement */: case 208 /* ThrowStatement */: bindReturnOrThrow(node); break; case 203 /* BreakStatement */: case 202 /* ContinueStatement */: bindBreakOrContinueStatement(node); break; case 209 /* TryStatement */: bindTryStatement(node); break; case 206 /* SwitchStatement */: bindSwitchStatement(node); break; case 220 /* CaseBlock */: bindCaseBlock(node); break; case 207 /* LabeledStatement */: bindLabeledStatement(node); break; default: ts.forEachChild(node, bind); break; } }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
bindReachableStatement
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindWhileStatement(n) { var preWhileState = n.expression.kind === 84 /* FalseKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; var postWhileState = n.expression.kind === 99 /* TrueKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; // bind expressions (don't affect reachability) bind(n.expression); currentReachabilityState = preWhileState; var postWhileLabel = pushImplicitLabel(); bind(n.statement); popImplicitLabel(postWhileLabel, postWhileState); }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
bindWhileStatement
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindDoStatement(n) { var preDoState = currentReachabilityState; var postDoLabel = pushImplicitLabel(); bind(n.statement); var postDoState = n.expression.kind === 99 /* TrueKeyword */ ? 4 /* Unreachable */ : preDoState; popImplicitLabel(postDoLabel, postDoState); // bind expressions (don't affect reachability) bind(n.expression); }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
bindDoStatement
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindForStatement(n) { var preForState = currentReachabilityState; var postForLabel = pushImplicitLabel(); // bind expressions (don't affect reachability) bind(n.initializer); bind(n.condition); bind(n.incrementor); bind(n.statement); // for statement is considered infinite when it condition is either omitted or is true keyword // - for(..;;..) // - for(..;true;..) var isInfiniteLoop = (!n.condition || n.condition.kind === 99 /* TrueKeyword */); var postForState = isInfiniteLoop ? 4 /* Unreachable */ : preForState; popImplicitLabel(postForLabel, postForState); }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
bindForStatement
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindForInOrForOfStatement(n) { var preStatementState = currentReachabilityState; var postStatementLabel = pushImplicitLabel(); // bind expressions (don't affect reachability) bind(n.initializer); bind(n.expression); bind(n.statement); popImplicitLabel(postStatementLabel, preStatementState); }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
bindForInOrForOfStatement
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindIfStatement(n) { // denotes reachability state when entering 'thenStatement' part of the if statement: // i.e. if condition is false then thenStatement is unreachable var ifTrueState = n.expression.kind === 84 /* FalseKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; // denotes reachability state when entering 'elseStatement': // i.e. if condition is true then elseStatement is unreachable var ifFalseState = n.expression.kind === 99 /* TrueKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; currentReachabilityState = ifTrueState; // bind expression (don't affect reachability) bind(n.expression); bind(n.thenStatement); if (n.elseStatement) { var preElseState = currentReachabilityState; currentReachabilityState = ifFalseState; bind(n.elseStatement); currentReachabilityState = or(currentReachabilityState, preElseState); } else { currentReachabilityState = or(currentReachabilityState, ifFalseState); } }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
bindIfStatement
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindReturnOrThrow(n) { // bind expression (don't affect reachability) bind(n.expression); if (n.kind === 204 /* ReturnStatement */) { hasExplicitReturn = true; } currentReachabilityState = 4 /* Unreachable */; }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
bindReturnOrThrow
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindBreakOrContinueStatement(n) { // call bind on label (don't affect reachability) bind(n.label); // for continue case touch label so it will be marked a used var isValidJump = jumpToLabel(n.label, n.kind === 203 /* BreakStatement */ ? currentReachabilityState : 4 /* Unreachable */); if (isValidJump) { currentReachabilityState = 4 /* Unreachable */; } }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
bindBreakOrContinueStatement
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindTryStatement(n) { // catch\finally blocks has the same reachability as try block var preTryState = currentReachabilityState; bind(n.tryBlock); var postTryState = currentReachabilityState; currentReachabilityState = preTryState; bind(n.catchClause); var postCatchState = currentReachabilityState; currentReachabilityState = preTryState; bind(n.finallyBlock); // post catch/finally state is reachable if // - post try state is reachable - control flow can fall out of try block // - post catch state is reachable - control flow can fall out of catch block currentReachabilityState = or(postTryState, postCatchState); }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
bindTryStatement
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindSwitchStatement(n) { var preSwitchState = currentReachabilityState; var postSwitchLabel = pushImplicitLabel(); // bind expression (don't affect reachability) bind(n.expression); bind(n.caseBlock); var hasDefault = ts.forEach(n.caseBlock.clauses, function (c) { return c.kind === 242 /* DefaultClause */; }); // post switch state is unreachable if switch is exaustive (has a default case ) and does not have fallthrough from the last case var postSwitchState = hasDefault && currentReachabilityState !== 2 /* Reachable */ ? 4 /* Unreachable */ : preSwitchState; popImplicitLabel(postSwitchLabel, postSwitchState); }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
bindSwitchStatement
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindCaseBlock(n) { var startState = currentReachabilityState; for (var _i = 0, _a = n.clauses; _i < _a.length; _i++) { var clause = _a[_i]; currentReachabilityState = startState; bind(clause); if (clause.statements.length && currentReachabilityState === 2 /* Reachable */ && options.noFallthroughCasesInSwitch) { errorOnFirstToken(clause, ts.Diagnostics.Fallthrough_case_in_switch); } } }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
bindCaseBlock
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindLabeledStatement(n) { // call bind on label (don't affect reachability) bind(n.label); var ok = pushNamedLabel(n.label); bind(n.statement); if (ok) { popNamedLabel(n.label, currentReachabilityState); } }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
bindLabeledStatement
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function getContainerFlags(node) { switch (node.kind) { case 186 /* ClassExpression */: case 214 /* ClassDeclaration */: case 215 /* InterfaceDeclaration */: case 217 /* EnumDeclaration */: case 155 /* TypeLiteral */: case 165 /* ObjectLiteralExpression */: return 1 /* IsContainer */; case 147 /* CallSignature */: case 148 /* ConstructSignature */: case 149 /* IndexSignature */: case 143 /* MethodDeclaration */: case 142 /* MethodSignature */: case 213 /* FunctionDeclaration */: case 144 /* Constructor */: case 145 /* GetAccessor */: case 146 /* SetAccessor */: case 152 /* FunctionType */: case 153 /* ConstructorType */: case 173 /* FunctionExpression */: case 174 /* ArrowFunction */: case 218 /* ModuleDeclaration */: case 248 /* SourceFile */: case 216 /* TypeAliasDeclaration */: return 5 /* IsContainerWithLocals */; case 244 /* CatchClause */: case 199 /* ForStatement */: case 200 /* ForInStatement */: case 201 /* ForOfStatement */: case 220 /* CaseBlock */: return 2 /* IsBlockScopedContainer */; case 192 /* Block */: // do not treat blocks directly inside a function as a block-scoped-container. // Locals that reside in this block should go to the function locals. Othewise 'x' // would not appear to be a redeclaration of a block scoped local in the following // example: // // function foo() { // var x; // let x; // } // // If we placed 'var x' into the function locals and 'let x' into the locals of // the block, then there would be no collision. // // By not creating a new block-scoped-container here, we ensure that both 'var x' // and 'let x' go into the Function-container's locals, and we do get a collision // conflict. return ts.isFunctionLike(node.parent) ? 0 /* None */ : 2 /* IsBlockScopedContainer */; } return 0 /* None */; }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
getContainerFlags
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function addToContainerChain(next) { if (lastContainer) { lastContainer.nextContainer = next; } lastContainer = next; }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
addToContainerChain
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes) { // Just call this directly so that the return type of this function stays "void". declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes); }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
declareSymbolAndAddToSymbolTable
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes) { switch (container.kind) { // Modules, source files, and classes need specialized handling for how their // members are declared (for example, a member of a class will go into a specific // symbol table depending on if it is static or not). We defer to specialized // handlers to take care of declaring these child members. case 218 /* ModuleDeclaration */: return declareModuleMember(node, symbolFlags, symbolExcludes); case 248 /* SourceFile */: return declareSourceFileMember(node, symbolFlags, symbolExcludes); case 186 /* ClassExpression */: case 214 /* ClassDeclaration */: return declareClassMember(node, symbolFlags, symbolExcludes); case 217 /* EnumDeclaration */: return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); case 155 /* TypeLiteral */: case 165 /* ObjectLiteralExpression */: case 215 /* InterfaceDeclaration */: // Interface/Object-types always have their children added to the 'members' of // their container. They are only accessible through an instance of their // container, and are never in scope otherwise (even inside the body of the // object / type / interface declaring them). An exception is type parameters, // which are in scope without qualification (similar to 'locals'). return declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); case 152 /* FunctionType */: case 153 /* ConstructorType */: case 147 /* CallSignature */: case 148 /* ConstructSignature */: case 149 /* IndexSignature */: case 143 /* MethodDeclaration */: case 142 /* MethodSignature */: case 144 /* Constructor */: case 145 /* GetAccessor */: case 146 /* SetAccessor */: case 213 /* FunctionDeclaration */: case 173 /* FunctionExpression */: case 174 /* ArrowFunction */: case 216 /* TypeAliasDeclaration */: // All the children of these container types are never visible through another // symbol (i.e. through another symbol's 'exports' or 'members'). Instead, // they're only accessed 'lexically' (i.e. from code that exists underneath // their container in the tree. To accomplish this, we simply add their declared // symbol to the 'locals' of the container. These symbols can then be found as // the type checker walks up the containers, checking them for matching names. return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); } }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
declareSymbolAndAddToSymbolTableWorker
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function declareClassMember(node, symbolFlags, symbolExcludes) { return node.flags & 64 /* Static */ ? declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes) : declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
declareClassMember
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function declareSourceFileMember(node, symbolFlags, symbolExcludes) { return ts.isExternalModule(file) ? declareModuleMember(node, symbolFlags, symbolExcludes) : declareSymbol(file.locals, undefined, node, symbolFlags, symbolExcludes); }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
declareSourceFileMember
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function hasExportDeclarations(node) { var body = node.kind === 248 /* SourceFile */ ? node : node.body; if (body.kind === 248 /* SourceFile */ || body.kind === 219 /* ModuleBlock */) { for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { var stat = _a[_i]; if (stat.kind === 228 /* ExportDeclaration */ || stat.kind === 227 /* ExportAssignment */) { return true; } } } return false; }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
hasExportDeclarations
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function setExportContextFlag(node) { // A declaration source file or ambient module declaration that contains no export declarations (but possibly regular // declarations with export modifiers) is an export context in which declarations are implicitly exported. if (ts.isInAmbientContext(node) && !hasExportDeclarations(node)) { node.flags |= 131072 /* ExportContext */; } else { node.flags &= ~131072 /* ExportContext */; } }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
setExportContextFlag
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindModuleDeclaration(node) { setExportContextFlag(node); if (node.name.kind === 9 /* StringLiteral */) { declareSymbolAndAddToSymbolTable(node, 512 /* ValueModule */, 106639 /* ValueModuleExcludes */); } else { var state = getModuleInstanceState(node); if (state === 0 /* NonInstantiated */) { declareSymbolAndAddToSymbolTable(node, 1024 /* NamespaceModule */, 0 /* NamespaceModuleExcludes */); } else { declareSymbolAndAddToSymbolTable(node, 512 /* ValueModule */, 106639 /* ValueModuleExcludes */); if (node.symbol.flags & (16 /* Function */ | 32 /* Class */ | 256 /* RegularEnum */)) { // if module was already merged with some function, class or non-const enum // treat is a non-const-enum-only node.symbol.constEnumOnlyModule = false; } else { var currentModuleIsConstEnumOnly = state === 2 /* ConstEnumOnly */; if (node.symbol.constEnumOnlyModule === undefined) { // non-merged case - use the current state node.symbol.constEnumOnlyModule = currentModuleIsConstEnumOnly; } else { // merged case: module is const enum only if all its pieces are non-instantiated or const enum node.symbol.constEnumOnlyModule = node.symbol.constEnumOnlyModule && currentModuleIsConstEnumOnly; } } } } }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
bindModuleDeclaration
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindFunctionOrConstructorType(node) { // For a given function symbol "<...>(...) => T" we want to generate a symbol identical // to the one we would get for: { <...>(...): T } // // We do that by making an anonymous type literal symbol, and then setting the function // symbol as its sole member. To the rest of the system, this symbol will be indistinguishable // from an actual type literal symbol you would have gotten had you used the long form. var symbol = createSymbol(131072 /* Signature */, getDeclarationName(node)); addDeclarationToSymbol(symbol, node, 131072 /* Signature */); var typeLiteralSymbol = createSymbol(2048 /* TypeLiteral */, "__type"); addDeclarationToSymbol(typeLiteralSymbol, node, 2048 /* TypeLiteral */); typeLiteralSymbol.members = (_a = {}, _a[symbol.name] = symbol, _a); var _a; }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
bindFunctionOrConstructorType
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindObjectLiteralExpression(node) { var ElementKind; (function (ElementKind) { ElementKind[ElementKind["Property"] = 1] = "Property"; ElementKind[ElementKind["Accessor"] = 2] = "Accessor"; })(ElementKind || (ElementKind = {})); if (inStrictMode) { var seen = {}; for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { var prop = _a[_i]; if (prop.name.kind !== 69 /* Identifier */) { continue; } var identifier = prop.name; // ECMA-262 11.1.5 Object Initialiser // If previous is not undefined then throw a SyntaxError exception if any of the following conditions are true // a.This production is contained in strict code and IsDataDescriptor(previous) is true and // IsDataDescriptor(propId.descriptor) is true. // b.IsDataDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true. // c.IsAccessorDescriptor(previous) is true and IsDataDescriptor(propId.descriptor) is true. // d.IsAccessorDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true // and either both previous and propId.descriptor have[[Get]] fields or both previous and propId.descriptor have[[Set]] fields var currentKind = prop.kind === 245 /* PropertyAssignment */ || prop.kind === 246 /* ShorthandPropertyAssignment */ || prop.kind === 143 /* MethodDeclaration */ ? 1 /* Property */ : 2 /* Accessor */; var existingKind = seen[identifier.text]; if (!existingKind) { seen[identifier.text] = currentKind; continue; } if (currentKind === 1 /* Property */ && existingKind === 1 /* Property */) { var span = ts.getErrorSpanForNode(file, identifier); file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode)); } } } return bindAnonymousDeclaration(node, 4096 /* ObjectLiteral */, "__object"); }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
bindObjectLiteralExpression
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindAnonymousDeclaration(node, symbolFlags, name) { var symbol = createSymbol(symbolFlags, name); addDeclarationToSymbol(symbol, node, symbolFlags); }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
bindAnonymousDeclaration
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindBlockScopedDeclaration(node, symbolFlags, symbolExcludes) { switch (blockScopeContainer.kind) { case 218 /* ModuleDeclaration */: declareModuleMember(node, symbolFlags, symbolExcludes); break; case 248 /* SourceFile */: if (ts.isExternalModule(container)) { declareModuleMember(node, symbolFlags, symbolExcludes); break; } // fall through. default: if (!blockScopeContainer.locals) { blockScopeContainer.locals = {}; addToContainerChain(blockScopeContainer); } declareSymbol(blockScopeContainer.locals, undefined, node, symbolFlags, symbolExcludes); } }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
bindBlockScopedDeclaration
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function bindBlockScopedVariableDeclaration(node) { bindBlockScopedDeclaration(node, 2 /* BlockScopedVariable */, 107455 /* BlockScopedVariableExcludes */); }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
bindBlockScopedVariableDeclaration
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function checkStrictModeIdentifier(node) { if (inStrictMode && node.originalKeywordKind >= 106 /* FirstFutureReservedWord */ && node.originalKeywordKind <= 114 /* LastFutureReservedWord */ && !ts.isIdentifierName(node)) { // Report error only if there are no parse errors in file if (!file.parseDiagnostics.length) { file.bindDiagnostics.push(ts.createDiagnosticForNode(node, getStrictModeIdentifierMessage(node), ts.declarationNameToString(node))); } } }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
checkStrictModeIdentifier
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function getStrictModeIdentifierMessage(node) { // Provide specialized messages to help the user understand why we think they're in // strict mode. if (ts.getContainingClass(node)) { return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode; } if (file.externalModuleIndicator) { return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode; } return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode; }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
getStrictModeIdentifierMessage
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function checkStrictModeBinaryExpression(node) { if (inStrictMode && ts.isLeftHandSideExpression(node.left) && ts.isAssignmentOperator(node.operatorToken.kind)) { // ECMA 262 (Annex C) The identifier eval or arguments may not appear as the LeftHandSideExpression of an // Assignment operator(11.13) or of a PostfixExpression(11.3) checkStrictModeEvalOrArguments(node, node.left); } }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
checkStrictModeBinaryExpression
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT
function checkStrictModeCatchClause(node) { // It is a SyntaxError if a TryStatement with a Catch occurs within strict code and the Identifier of the // Catch production is eval or arguments if (inStrictMode && node.variableDeclaration) { checkStrictModeEvalOrArguments(node, node.variableDeclaration.name); } }
Returns true if node and its subnodes were successfully traversed. Returning false means that node was not examined and caller needs to dive into the node himself.
checkStrictModeCatchClause
javascript
amol-/dukpy
dukpy/jsmodules/typescriptServices.js
https://github.com/amol-/dukpy/blob/master/dukpy/jsmodules/typescriptServices.js
MIT