2015-02-03 00:30:33 +01:00
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//// [parserRealSource6.ts]
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// Copyright (c) Microsoft. All rights reserved. Licensed under the Apache License, Version 2.0.
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// See LICENSE.txt in the project root for complete license information.
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///<reference path='typescript.ts' />
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module TypeScript {
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export class TypeCollectionContext {
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public script: Script = null;
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constructor (public scopeChain: ScopeChain, public checker: TypeChecker) {
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}
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}
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export class MemberScopeContext {
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public type: Type = null;
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public ast: AST = null;
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public scope: SymbolScope;
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public options = new AstWalkOptions();
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constructor (public flow: TypeFlow, public pos: number, public matchFlag: ASTFlags) {
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}
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}
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export class EnclosingScopeContext {
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public scopeGetter: () => SymbolScope = null;
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public objectLiteralScopeGetter: () => SymbolScope = null;
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public scopeStartAST: AST = null;
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public skipNextFuncDeclForClass = false;
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public deepestModuleDecl: ModuleDeclaration = null;
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public enclosingClassDecl: TypeDeclaration = null;
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public enclosingObjectLit: UnaryExpression = null;
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public publicsOnly = true;
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public useFullAst = false;
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private scriptFragment: Script;
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constructor (public logger: ILogger,
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public script: Script,
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public text: ISourceText,
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public pos: number,
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public isMemberCompletion: boolean) {
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}
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public getScope(): SymbolScope {
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return this.scopeGetter();
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}
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public getObjectLiteralScope(): SymbolScope {
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return this.objectLiteralScopeGetter();
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}
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public getScopeAST() {
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return this.scopeStartAST;
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}
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public getScopePosition() {
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return this.scopeStartAST.minChar;
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}
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public getScriptFragmentStartAST(): AST {
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return this.scopeStartAST;
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}
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public getScriptFragmentPosition(): number {
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return this.getScriptFragmentStartAST().minChar;
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}
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public getScriptFragment(): Script {
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if (this.scriptFragment == null) {
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var ast = this.getScriptFragmentStartAST();
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var minChar = ast.minChar;
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var limChar = (this.isMemberCompletion ? this.pos : this.pos + 1);
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this.scriptFragment = TypeScript.quickParse(this.logger, ast, this.text, minChar, limChar, null/*errorCapture*/).Script;
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}
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return this.scriptFragment;
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}
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}
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export function preFindMemberScope(ast: AST, parent: AST, walker: IAstWalker) {
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var memScope: MemberScopeContext = walker.state;
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if (hasFlag(ast.flags, memScope.matchFlag) && ((memScope.pos < 0) || (memScope.pos == ast.limChar))) {
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memScope.ast = ast;
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if ((ast.type == null) && (memScope.pos >= 0)) {
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memScope.flow.inScopeTypeCheck(ast, memScope.scope);
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}
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memScope.type = ast.type;
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memScope.options.stopWalk();
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}
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return ast;
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}
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export function pushTypeCollectionScope(container: Symbol,
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valueMembers: ScopedMembers,
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ambientValueMembers: ScopedMembers,
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enclosedTypes: ScopedMembers,
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ambientEnclosedTypes: ScopedMembers,
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context: TypeCollectionContext,
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thisType: Type,
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classType: Type,
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moduleDecl: ModuleDeclaration) {
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var builder = new SymbolScopeBuilder(valueMembers, ambientValueMembers, enclosedTypes, ambientEnclosedTypes, null, container);
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var chain: ScopeChain = new ScopeChain(container, context.scopeChain, builder);
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chain.thisType = thisType;
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chain.classType = classType;
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chain.moduleDecl = moduleDecl;
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context.scopeChain = chain;
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}
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export function popTypeCollectionScope(context: TypeCollectionContext) {
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context.scopeChain = context.scopeChain.previous;
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}
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export function preFindEnclosingScope(ast: AST, parent: AST, walker: IAstWalker) {
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var context: EnclosingScopeContext = walker.state;
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var minChar = ast.minChar;
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var limChar = ast.limChar;
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// Account for the fact completion list may be called at the end of a file which
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// is has not been fully re-parsed yet.
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if (ast.nodeType == NodeType.Script && context.pos > limChar)
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limChar = context.pos;
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if ((minChar <= context.pos) &&
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(limChar >= context.pos)) {
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switch (ast.nodeType) {
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case NodeType.Script:
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var script = <Script>ast;
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context.scopeGetter = function () {
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return script.bod === null ? null : script.bod.enclosingScope;
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};
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context.scopeStartAST = script;
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break;
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case NodeType.ClassDeclaration:
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context.scopeGetter = function () {
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return (ast.type === null || ast.type.instanceType.containedScope === null) ? null : ast.type.instanceType.containedScope;
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};
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context.scopeStartAST = ast;
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context.enclosingClassDecl = <TypeDeclaration>ast;
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break;
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case NodeType.ObjectLit:
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var objectLit = <UnaryExpression>ast;
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// Only consider target-typed object literals
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if (objectLit.targetType) {
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context.scopeGetter = function () {
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return objectLit.targetType.containedScope;
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};
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context.objectLiteralScopeGetter = function () {
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return objectLit.targetType.memberScope;
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}
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context.enclosingObjectLit = objectLit;
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}
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break;
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case NodeType.ModuleDeclaration:
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context.deepestModuleDecl = <ModuleDeclaration>ast;
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context.scopeGetter = function () {
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return ast.type === null ? null : ast.type.containedScope;
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};
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context.scopeStartAST = ast;
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break;
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case NodeType.InterfaceDeclaration:
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context.scopeGetter = function () {
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return (ast.type === null) ? null : ast.type.containedScope;
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};
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context.scopeStartAST = ast;
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break;
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case NodeType.FuncDecl: {
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var funcDecl = <FuncDecl>ast;
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if (context.skipNextFuncDeclForClass) {
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context.skipNextFuncDeclForClass = false;
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}
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else {
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context.scopeGetter = function () {
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// The scope of a class constructor is hidden somewhere we don't expect :-S
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if (funcDecl.isConstructor && hasFlag(funcDecl.fncFlags, FncFlags.ClassMethod)) {
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if (ast.type && ast.type.enclosingType) {
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return ast.type.enclosingType.constructorScope;
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}
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}
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if (funcDecl.scopeType) {
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return funcDecl.scopeType.containedScope;
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}
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if (funcDecl.type) {
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return funcDecl.type.containedScope;
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}
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return null;
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};
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context.scopeStartAST = ast;
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}
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}
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break;
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}
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walker.options.goChildren = true;
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}
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else {
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walker.options.goChildren = false;
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}
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return ast;
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}
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//
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// Find the enclosing scope context from a position inside a script AST.
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// The "scopeStartAST" of the returned scope is always valid.
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// Return "null" if the enclosing scope can't be found.
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//
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export function findEnclosingScopeAt(logger: ILogger, script: Script, text: ISourceText, pos: number, isMemberCompletion: boolean): EnclosingScopeContext {
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var context = new EnclosingScopeContext(logger, script, text, pos, isMemberCompletion);
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TypeScript.getAstWalkerFactory().walk(script, preFindEnclosingScope, null, null, context);
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if (context.scopeStartAST === null)
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return null;
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return context;
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}
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}
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//// [parserRealSource6.js]
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// Copyright (c) Microsoft. All rights reserved. Licensed under the Apache License, Version 2.0.
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// See LICENSE.txt in the project root for complete license information.
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///<reference path='typescript.ts' />
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var TypeScript;
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(function (TypeScript) {
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var TypeCollectionContext = (function () {
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function TypeCollectionContext(scopeChain, checker) {
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this.scopeChain = scopeChain;
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this.checker = checker;
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this.script = null;
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}
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return TypeCollectionContext;
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})();
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TypeScript.TypeCollectionContext = TypeCollectionContext;
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var MemberScopeContext = (function () {
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function MemberScopeContext(flow, pos, matchFlag) {
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this.flow = flow;
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this.pos = pos;
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this.matchFlag = matchFlag;
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this.type = null;
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this.ast = null;
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this.options = new AstWalkOptions();
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}
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return MemberScopeContext;
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})();
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TypeScript.MemberScopeContext = MemberScopeContext;
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var EnclosingScopeContext = (function () {
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function EnclosingScopeContext(logger, script, text, pos, isMemberCompletion) {
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this.logger = logger;
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this.script = script;
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this.text = text;
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this.pos = pos;
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this.isMemberCompletion = isMemberCompletion;
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this.scopeGetter = null;
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this.objectLiteralScopeGetter = null;
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this.scopeStartAST = null;
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this.skipNextFuncDeclForClass = false;
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this.deepestModuleDecl = null;
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this.enclosingClassDecl = null;
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this.enclosingObjectLit = null;
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this.publicsOnly = true;
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this.useFullAst = false;
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}
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EnclosingScopeContext.prototype.getScope = function () {
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return this.scopeGetter();
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};
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EnclosingScopeContext.prototype.getObjectLiteralScope = function () {
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return this.objectLiteralScopeGetter();
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};
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EnclosingScopeContext.prototype.getScopeAST = function () {
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return this.scopeStartAST;
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};
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EnclosingScopeContext.prototype.getScopePosition = function () {
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return this.scopeStartAST.minChar;
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};
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EnclosingScopeContext.prototype.getScriptFragmentStartAST = function () {
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return this.scopeStartAST;
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};
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EnclosingScopeContext.prototype.getScriptFragmentPosition = function () {
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return this.getScriptFragmentStartAST().minChar;
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};
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EnclosingScopeContext.prototype.getScriptFragment = function () {
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if (this.scriptFragment == null) {
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var ast = this.getScriptFragmentStartAST();
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var minChar = ast.minChar;
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var limChar = (this.isMemberCompletion ? this.pos : this.pos + 1);
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this.scriptFragment = TypeScript.quickParse(this.logger, ast, this.text, minChar, limChar, null /*errorCapture*/).Script;
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}
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return this.scriptFragment;
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};
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return EnclosingScopeContext;
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})();
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TypeScript.EnclosingScopeContext = EnclosingScopeContext;
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function preFindMemberScope(ast, parent, walker) {
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var memScope = walker.state;
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if (hasFlag(ast.flags, memScope.matchFlag) && ((memScope.pos < 0) || (memScope.pos == ast.limChar))) {
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memScope.ast = ast;
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if ((ast.type == null) && (memScope.pos >= 0)) {
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memScope.flow.inScopeTypeCheck(ast, memScope.scope);
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}
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memScope.type = ast.type;
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memScope.options.stopWalk();
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}
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return ast;
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}
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TypeScript.preFindMemberScope = preFindMemberScope;
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function pushTypeCollectionScope(container, valueMembers, ambientValueMembers, enclosedTypes, ambientEnclosedTypes, context, thisType, classType, moduleDecl) {
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var builder = new SymbolScopeBuilder(valueMembers, ambientValueMembers, enclosedTypes, ambientEnclosedTypes, null, container);
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var chain = new ScopeChain(container, context.scopeChain, builder);
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chain.thisType = thisType;
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chain.classType = classType;
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chain.moduleDecl = moduleDecl;
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context.scopeChain = chain;
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}
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TypeScript.pushTypeCollectionScope = pushTypeCollectionScope;
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function popTypeCollectionScope(context) {
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context.scopeChain = context.scopeChain.previous;
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}
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TypeScript.popTypeCollectionScope = popTypeCollectionScope;
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function preFindEnclosingScope(ast, parent, walker) {
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var context = walker.state;
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var minChar = ast.minChar;
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var limChar = ast.limChar;
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// Account for the fact completion list may be called at the end of a file which
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// is has not been fully re-parsed yet.
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if (ast.nodeType == NodeType.Script && context.pos > limChar)
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limChar = context.pos;
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2015-02-21 06:53:44 +01:00
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if ((minChar <= context.pos) &&
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(limChar >= context.pos)) {
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2015-02-03 00:30:33 +01:00
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switch (ast.nodeType) {
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case NodeType.Script:
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var script = ast;
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context.scopeGetter = function () {
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return script.bod === null ? null : script.bod.enclosingScope;
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};
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context.scopeStartAST = script;
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break;
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case NodeType.ClassDeclaration:
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context.scopeGetter = function () {
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return (ast.type === null || ast.type.instanceType.containedScope === null) ? null : ast.type.instanceType.containedScope;
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};
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context.scopeStartAST = ast;
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context.enclosingClassDecl = ast;
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break;
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case NodeType.ObjectLit:
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var objectLit = ast;
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// Only consider target-typed object literals
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if (objectLit.targetType) {
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context.scopeGetter = function () {
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return objectLit.targetType.containedScope;
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};
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context.objectLiteralScopeGetter = function () {
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return objectLit.targetType.memberScope;
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};
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context.enclosingObjectLit = objectLit;
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}
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break;
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case NodeType.ModuleDeclaration:
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context.deepestModuleDecl = ast;
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context.scopeGetter = function () {
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return ast.type === null ? null : ast.type.containedScope;
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};
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context.scopeStartAST = ast;
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break;
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case NodeType.InterfaceDeclaration:
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context.scopeGetter = function () {
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return (ast.type === null) ? null : ast.type.containedScope;
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};
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context.scopeStartAST = ast;
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break;
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|
|
case NodeType.FuncDecl:
|
|
|
|
{
|
|
|
|
var funcDecl = ast;
|
|
|
|
if (context.skipNextFuncDeclForClass) {
|
|
|
|
context.skipNextFuncDeclForClass = false;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
context.scopeGetter = function () {
|
|
|
|
// The scope of a class constructor is hidden somewhere we don't expect :-S
|
|
|
|
if (funcDecl.isConstructor && hasFlag(funcDecl.fncFlags, FncFlags.ClassMethod)) {
|
|
|
|
if (ast.type && ast.type.enclosingType) {
|
|
|
|
return ast.type.enclosingType.constructorScope;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (funcDecl.scopeType) {
|
|
|
|
return funcDecl.scopeType.containedScope;
|
|
|
|
}
|
|
|
|
if (funcDecl.type) {
|
|
|
|
return funcDecl.type.containedScope;
|
|
|
|
}
|
|
|
|
return null;
|
|
|
|
};
|
|
|
|
context.scopeStartAST = ast;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
walker.options.goChildren = true;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
walker.options.goChildren = false;
|
|
|
|
}
|
|
|
|
return ast;
|
|
|
|
}
|
|
|
|
TypeScript.preFindEnclosingScope = preFindEnclosingScope;
|
|
|
|
//
|
|
|
|
// Find the enclosing scope context from a position inside a script AST.
|
|
|
|
// The "scopeStartAST" of the returned scope is always valid.
|
|
|
|
// Return "null" if the enclosing scope can't be found.
|
|
|
|
//
|
|
|
|
function findEnclosingScopeAt(logger, script, text, pos, isMemberCompletion) {
|
|
|
|
var context = new EnclosingScopeContext(logger, script, text, pos, isMemberCompletion);
|
|
|
|
TypeScript.getAstWalkerFactory().walk(script, preFindEnclosingScope, null, null, context);
|
|
|
|
if (context.scopeStartAST === null)
|
|
|
|
return null;
|
|
|
|
return context;
|
|
|
|
}
|
|
|
|
TypeScript.findEnclosingScopeAt = findEnclosingScopeAt;
|
|
|
|
})(TypeScript || (TypeScript = {}));
|