876 lines
40 KiB
TypeScript
876 lines
40 KiB
TypeScript
//// [parserRealSource8.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 AssignScopeContext {
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constructor (public scopeChain: ScopeChain,
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public typeFlow: TypeFlow,
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public modDeclChain: ModuleDeclaration[]) {
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}
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}
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export function pushAssignScope(scope: SymbolScope,
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context: AssignScopeContext,
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type: Type,
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classType: Type,
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fnc: FuncDecl) {
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var chain = new ScopeChain(null, context.scopeChain, scope);
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chain.thisType = type;
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chain.classType = classType;
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chain.fnc = fnc;
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context.scopeChain = chain;
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}
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export function popAssignScope(context: AssignScopeContext) {
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context.scopeChain = context.scopeChain.previous;
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}
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export function instanceCompare(a: Symbol, b: Symbol) {
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if (((a == null) || (!a.isInstanceProperty()))) {
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return b;
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}
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else {
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return a;
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}
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}
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export function instanceFilterStop(s: Symbol) {
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return s.isInstanceProperty();
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}
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export class ScopeSearchFilter {
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constructor (public select: (a: Symbol, b: Symbol) =>Symbol,
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public stop: (s: Symbol) =>boolean) { }
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public result: Symbol = null;
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public reset() {
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this.result = null;
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}
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public update(b: Symbol): boolean {
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this.result = this.select(this.result, b);
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if (this.result) {
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return this.stop(this.result);
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}
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else {
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return false;
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}
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}
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}
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export var instanceFilter = new ScopeSearchFilter(instanceCompare, instanceFilterStop);
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export function preAssignModuleScopes(ast: AST, context: AssignScopeContext) {
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var moduleDecl = <ModuleDeclaration>ast;
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var memberScope: SymbolTableScope = null;
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var aggScope: SymbolAggregateScope = null;
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if (moduleDecl.name && moduleDecl.mod) {
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moduleDecl.name.sym = moduleDecl.mod.symbol;
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}
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var mod = moduleDecl.mod;
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// We're likely here because of error recovery
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if (!mod) {
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return;
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}
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memberScope = new SymbolTableScope(mod.members, mod.ambientMembers, mod.enclosedTypes, mod.ambientEnclosedTypes, mod.symbol);
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mod.memberScope = memberScope;
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context.modDeclChain.push(moduleDecl);
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context.typeFlow.checker.currentModDecl = moduleDecl;
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aggScope = new SymbolAggregateScope(mod.symbol);
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aggScope.addParentScope(memberScope);
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aggScope.addParentScope(context.scopeChain.scope);
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pushAssignScope(aggScope, context, null, null, null);
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mod.containedScope = aggScope;
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if (mod.symbol) {
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context.typeFlow.addLocalsFromScope(mod.containedScope, mod.symbol, moduleDecl.vars, mod.members.privateMembers, true);
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}
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}
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export function preAssignClassScopes(ast: AST, context: AssignScopeContext) {
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var classDecl = <InterfaceDeclaration>ast;
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var memberScope: SymbolTableScope = null;
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var aggScope: SymbolAggregateScope = null;
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if (classDecl.name && classDecl.type) {
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classDecl.name.sym = classDecl.type.symbol;
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}
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var classType = ast.type;
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if (classType) {
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var classSym = classType.symbol;
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memberScope = <SymbolTableScope>context.typeFlow.checker.scopeOf(classType);
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aggScope = new SymbolAggregateScope(classType.symbol);
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aggScope.addParentScope(memberScope);
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aggScope.addParentScope(context.scopeChain.scope);
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classType.containedScope = aggScope;
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classType.memberScope = memberScope;
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var instanceType = classType.instanceType;
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memberScope = <SymbolTableScope>context.typeFlow.checker.scopeOf(instanceType);
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instanceType.memberScope = memberScope;
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aggScope = new SymbolAggregateScope(instanceType.symbol);
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aggScope.addParentScope(context.scopeChain.scope);
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pushAssignScope(aggScope, context, instanceType, classType, null);
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instanceType.containedScope = aggScope;
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}
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else {
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ast.type = context.typeFlow.anyType;
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}
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}
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export function preAssignInterfaceScopes(ast: AST, context: AssignScopeContext) {
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var interfaceDecl = <InterfaceDeclaration>ast;
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var memberScope: SymbolTableScope = null;
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var aggScope: SymbolAggregateScope = null;
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if (interfaceDecl.name && interfaceDecl.type) {
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interfaceDecl.name.sym = interfaceDecl.type.symbol;
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}
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var interfaceType = ast.type;
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memberScope = <SymbolTableScope>context.typeFlow.checker.scopeOf(interfaceType);
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interfaceType.memberScope = memberScope;
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aggScope = new SymbolAggregateScope(interfaceType.symbol);
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aggScope.addParentScope(memberScope);
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aggScope.addParentScope(context.scopeChain.scope);
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pushAssignScope(aggScope, context, null, null, null);
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interfaceType.containedScope = aggScope;
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}
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export function preAssignWithScopes(ast: AST, context: AssignScopeContext) {
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var withStmt = <WithStatement>ast;
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var withType = withStmt.type;
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var members = new ScopedMembers(new DualStringHashTable(new StringHashTable(), new StringHashTable()));
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var ambientMembers = new ScopedMembers(new DualStringHashTable(new StringHashTable(), new StringHashTable()));
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var withType = new Type();
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var withSymbol = new WithSymbol(withStmt.minChar, context.typeFlow.checker.locationInfo.unitIndex, withType);
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withType.members = members;
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withType.ambientMembers = ambientMembers;
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withType.symbol = withSymbol;
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withType.setHasImplementation();
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withStmt.type = withType;
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var withScope = new TypeScript.SymbolScopeBuilder(withType.members, withType.ambientMembers, null, null, context.scopeChain.scope, withType.symbol);
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pushAssignScope(withScope, context, null, null, null);
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withType.containedScope = withScope;
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}
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export function preAssignFuncDeclScopes(ast: AST, context: AssignScopeContext) {
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var funcDecl = <FuncDecl>ast;
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var container: Symbol = null;
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var localContainer: Symbol = null;
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if (funcDecl.type) {
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localContainer = ast.type.symbol;
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}
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var isStatic = hasFlag(funcDecl.fncFlags, FncFlags.Static);
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var isInnerStatic = isStatic && context.scopeChain.fnc != null;
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// for inner static functions, use the parent's member scope, so local vars cannot be captured
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var parentScope = isInnerStatic ? context.scopeChain.fnc.type.memberScope : context.scopeChain.scope;
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// if this is not a method, but enclosed by class, use constructor as
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// the enclosing scope
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// REVIEW: Some twisted logic here - this needs to be cleaned up once old classes are removed
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// - if it's a new class, always use the contained scope, since we initialize the constructor scope below
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if (context.scopeChain.thisType &&
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(!funcDecl.isConstructor || hasFlag(funcDecl.fncFlags, FncFlags.ClassMethod))) {
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var instType = context.scopeChain.thisType;
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if (!(instType.typeFlags & TypeFlags.IsClass) && !hasFlag(funcDecl.fncFlags, FncFlags.ClassMethod)) {
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if (!funcDecl.isMethod() || isStatic) {
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parentScope = instType.constructorScope;
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}
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else {
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// use constructor scope if a method as well
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parentScope = instType.containedScope;
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}
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}
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else {
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if (context.scopeChain.previous.scope.container &&
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context.scopeChain.previous.scope.container.declAST &&
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context.scopeChain.previous.scope.container.declAST.nodeType == NodeType.FuncDecl &&
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(<FuncDecl>context.scopeChain.previous.scope.container.declAST).isConstructor) {
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// if the parent is the class constructor, use the constructor scope
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parentScope = instType.constructorScope;
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}
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else if (isStatic && context.scopeChain.classType) {
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parentScope = context.scopeChain.classType.containedScope;
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}
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else {
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// else, use the contained scope
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parentScope = instType.containedScope;
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}
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}
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container = instType.symbol;
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}
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else if (funcDecl.isConstructor && context.scopeChain.thisType) {
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// sets the container to the class type's symbol (which is shared by the instance type)
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container = context.scopeChain.thisType.symbol;
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}
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if (funcDecl.type == null || hasFlag(funcDecl.type.symbol.flags, SymbolFlags.TypeSetDuringScopeAssignment)) {
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if (context.scopeChain.fnc && context.scopeChain.fnc.type) {
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container = context.scopeChain.fnc.type.symbol;
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}
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var funcScope = null;
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var outerFnc: FuncDecl = context.scopeChain.fnc;
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var nameText = funcDecl.name ? funcDecl.name.actualText : null;
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var fgSym: TypeSymbol = null;
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if (isStatic) {
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// In the case of function-nested statics, no member list will have bee initialized for the function, so we need
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// to copy it over. We don't set this by default because having a non-null member list will throw off assignment
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// compatibility tests
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if (outerFnc.type.members == null && container.getType().memberScope) {
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outerFnc.type.members = (<SymbolScopeBuilder>(<TypeSymbol>container).type.memberScope).valueMembers;
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}
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funcScope = context.scopeChain.fnc.type.memberScope;
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outerFnc.innerStaticFuncs[outerFnc.innerStaticFuncs.length] = funcDecl;
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}
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else {
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if (!funcDecl.isConstructor &&
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container &&
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container.declAST &&
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container.declAST.nodeType == NodeType.FuncDecl &&
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(<FuncDecl>container.declAST).isConstructor &&
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!funcDecl.isMethod()) {
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funcScope = context.scopeChain.thisType.constructorScope;//locals;
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}
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else {
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funcScope = context.scopeChain.scope;
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}
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}
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// REVIEW: We don't search for another sym for accessors to prevent us from
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// accidentally coalescing function signatures with the same name (E.g., a function
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// 'f' the outer scope and a setter 'f' in an object literal within that scope)
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if (nameText && nameText != "__missing" && !funcDecl.isAccessor()) {
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if (isStatic) {
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fgSym = funcScope.findLocal(nameText, false, false);
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}
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else {
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// REVIEW: This logic should be symmetric with preCollectClassTypes
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fgSym = funcScope.findLocal(nameText, false, false);
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}
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}
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context.typeFlow.checker.createFunctionSignature(funcDecl, container,
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funcScope, fgSym, fgSym == null);
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// it's a getter or setter for a class property
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if (!funcDecl.accessorSymbol &&
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(funcDecl.fncFlags & FncFlags.ClassMethod) &&
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container &&
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((!fgSym || fgSym.declAST.nodeType != NodeType.FuncDecl) && funcDecl.isAccessor()) ||
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(fgSym && fgSym.isAccessor()))
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{
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funcDecl.accessorSymbol = context.typeFlow.checker.createAccessorSymbol(funcDecl, fgSym, container.getType(), (funcDecl.isMethod() && isStatic), true, funcScope, container);
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}
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funcDecl.type.symbol.flags |= SymbolFlags.TypeSetDuringScopeAssignment;
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}
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// Set the symbol for functions and their overloads
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if (funcDecl.name && funcDecl.type) {
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funcDecl.name.sym = funcDecl.type.symbol;
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}
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// Keep track of the original scope type, because target typing might override
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// the "type" member. We need the original "Scope type" for completion list, etc.
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funcDecl.scopeType = funcDecl.type;
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// Overloads have no scope, so bail here
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if (funcDecl.isOverload) {
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return;
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}
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var funcTable = new StringHashTable();
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var funcMembers = new ScopedMembers(new DualStringHashTable(funcTable, new StringHashTable()));
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var ambientFuncTable = new StringHashTable();
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var ambientFuncMembers = new ScopedMembers(new DualStringHashTable(ambientFuncTable, new StringHashTable()));
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var funcStaticTable = new StringHashTable();
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var funcStaticMembers = new ScopedMembers(new DualStringHashTable(funcStaticTable, new StringHashTable()));
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var ambientFuncStaticTable = new StringHashTable();
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var ambientFuncStaticMembers = new ScopedMembers(new DualStringHashTable(ambientFuncStaticTable, new StringHashTable()));
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// REVIEW: Is it a problem that this is being set twice for properties and constructors?
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funcDecl.unitIndex = context.typeFlow.checker.locationInfo.unitIndex;
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var locals = new SymbolScopeBuilder(funcMembers, ambientFuncMembers, null, null, parentScope, localContainer);
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var statics = new SymbolScopeBuilder(funcStaticMembers, ambientFuncStaticMembers, null, null, parentScope, null);
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if (funcDecl.isConstructor && context.scopeChain.thisType) {
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context.scopeChain.thisType.constructorScope = locals;
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}
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// basically, there are two problems
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// - Above, for new classes, we were overwriting the constructor scope with the containing scope. This caused constructor params to be
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// in scope everywhere
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// - Below, we're setting the contained scope table to the same table we were overwriting the constructor scope with, which we need to
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// fish lambda params, etc, out (see funcTable below)
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//
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// A good first approach to solving this would be to change addLocalsFromScope to take a scope instead of a table, and add to the
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// constructor scope as appropriate
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funcDecl.symbols = funcTable;
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if (!funcDecl.isSpecialFn()) {
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var group = funcDecl.type;
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var signature = funcDecl.signature;
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if (!funcDecl.isConstructor) {
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group.containedScope = locals;
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locals.container = group.symbol;
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group.memberScope = statics;
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statics.container = group.symbol;
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}
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funcDecl.enclosingFnc = context.scopeChain.fnc;
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group.enclosingType = isStatic ? context.scopeChain.classType : context.scopeChain.thisType;
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// for mapping when type checking
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var fgSym = <TypeSymbol>ast.type.symbol;
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if (((funcDecl.fncFlags & FncFlags.Signature) == FncFlags.None) && funcDecl.vars) {
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context.typeFlow.addLocalsFromScope(locals, fgSym, funcDecl.vars,
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funcTable, false);
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context.typeFlow.addLocalsFromScope(statics, fgSym, funcDecl.statics,
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funcStaticTable, false);
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}
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if (signature.parameters) {
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var len = signature.parameters.length;
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for (var i = 0; i < len; i++) {
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var paramSym: ParameterSymbol = signature.parameters[i];
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context.typeFlow.checker.resolveTypeLink(locals,
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paramSym.parameter.typeLink, true);
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}
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}
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context.typeFlow.checker.resolveTypeLink(locals, signature.returnType,
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funcDecl.isSignature());
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}
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if (!funcDecl.isConstructor || hasFlag(funcDecl.fncFlags, FncFlags.ClassMethod)) {
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var thisType = (funcDecl.isConstructor && hasFlag(funcDecl.fncFlags, FncFlags.ClassMethod)) ? context.scopeChain.thisType : null;
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pushAssignScope(locals, context, thisType, null, funcDecl);
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}
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}
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export function preAssignCatchScopes(ast: AST, context: AssignScopeContext) {
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var catchBlock = <Catch>ast;
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if (catchBlock.param) {
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var catchTable = new ScopedMembers(new DualStringHashTable(new StringHashTable(), new StringHashTable())); // REVIEW: Should we be allocating a public table instead of a private one?
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var catchLocals = new SymbolScopeBuilder(catchTable, null, null, null, context.scopeChain.scope,
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context.scopeChain.scope.container);
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catchBlock.containedScope = catchLocals;
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pushAssignScope(catchLocals, context, context.scopeChain.thisType, context.scopeChain.classType, context.scopeChain.fnc);
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}
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}
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export function preAssignScopes(ast: AST, parent: AST, walker: IAstWalker) {
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var context:AssignScopeContext = walker.state;
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var go = true;
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if (ast) {
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if (ast.nodeType == NodeType.List) {
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var list = <ASTList>ast;
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list.enclosingScope = context.scopeChain.scope;
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}
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else if (ast.nodeType == NodeType.ModuleDeclaration) {
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preAssignModuleScopes(ast, context);
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}
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else if (ast.nodeType == NodeType.ClassDeclaration) {
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preAssignClassScopes(ast, context);
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}
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else if (ast.nodeType == NodeType.InterfaceDeclaration) {
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preAssignInterfaceScopes(ast, context);
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}
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else if (ast.nodeType == NodeType.With) {
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preAssignWithScopes(ast, context);
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}
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else if (ast.nodeType == NodeType.FuncDecl) {
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preAssignFuncDeclScopes(ast, context);
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}
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else if (ast.nodeType == NodeType.Catch) {
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preAssignCatchScopes(ast, context);
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}
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else if (ast.nodeType == NodeType.TypeRef) {
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go = false;
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}
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}
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walker.options.goChildren = go;
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return ast;
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}
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export function postAssignScopes(ast: AST, parent: AST, walker: IAstWalker) {
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var context:AssignScopeContext = walker.state;
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var go = true;
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if (ast) {
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if (ast.nodeType == NodeType.ModuleDeclaration) {
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var prevModDecl = <ModuleDeclaration>ast;
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popAssignScope(context);
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context.modDeclChain.pop();
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if (context.modDeclChain.length >= 1) {
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context.typeFlow.checker.currentModDecl = context.modDeclChain[context.modDeclChain.length - 1];
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}
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}
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else if (ast.nodeType == NodeType.ClassDeclaration) {
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popAssignScope(context);
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}
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else if (ast.nodeType == NodeType.InterfaceDeclaration) {
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popAssignScope(context);
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}
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else if (ast.nodeType == NodeType.With) {
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popAssignScope(context);
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}
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else if (ast.nodeType == NodeType.FuncDecl) {
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var funcDecl = <FuncDecl>ast;
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if ((!funcDecl.isConstructor || hasFlag(funcDecl.fncFlags, FncFlags.ClassMethod)) && !funcDecl.isOverload) {
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popAssignScope(context);
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}
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}
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else if (ast.nodeType == NodeType.Catch) {
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var catchBlock = <Catch>ast;
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if (catchBlock.param) {
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popAssignScope(context);
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}
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}
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else {
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go = false;
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}
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}
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walker.options.goChildren = go;
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return ast;
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}
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}
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//// [parserRealSource8.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 AssignScopeContext = (function () {
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function AssignScopeContext(scopeChain, typeFlow, modDeclChain) {
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this.scopeChain = scopeChain;
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this.typeFlow = typeFlow;
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this.modDeclChain = modDeclChain;
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}
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return AssignScopeContext;
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})();
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TypeScript.AssignScopeContext = AssignScopeContext;
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function pushAssignScope(scope, context, type, classType, fnc) {
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var chain = new ScopeChain(null, context.scopeChain, scope);
|
|
chain.thisType = type;
|
|
chain.classType = classType;
|
|
chain.fnc = fnc;
|
|
context.scopeChain = chain;
|
|
}
|
|
TypeScript.pushAssignScope = pushAssignScope;
|
|
function popAssignScope(context) {
|
|
context.scopeChain = context.scopeChain.previous;
|
|
}
|
|
TypeScript.popAssignScope = popAssignScope;
|
|
function instanceCompare(a, b) {
|
|
if (((a == null) || (!a.isInstanceProperty()))) {
|
|
return b;
|
|
}
|
|
else {
|
|
return a;
|
|
}
|
|
}
|
|
TypeScript.instanceCompare = instanceCompare;
|
|
function instanceFilterStop(s) {
|
|
return s.isInstanceProperty();
|
|
}
|
|
TypeScript.instanceFilterStop = instanceFilterStop;
|
|
var ScopeSearchFilter = (function () {
|
|
function ScopeSearchFilter(select, stop) {
|
|
this.select = select;
|
|
this.stop = stop;
|
|
this.result = null;
|
|
}
|
|
ScopeSearchFilter.prototype.reset = function () {
|
|
this.result = null;
|
|
};
|
|
ScopeSearchFilter.prototype.update = function (b) {
|
|
this.result = this.select(this.result, b);
|
|
if (this.result) {
|
|
return this.stop(this.result);
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
};
|
|
return ScopeSearchFilter;
|
|
})();
|
|
TypeScript.ScopeSearchFilter = ScopeSearchFilter;
|
|
TypeScript.instanceFilter = new ScopeSearchFilter(instanceCompare, instanceFilterStop);
|
|
function preAssignModuleScopes(ast, context) {
|
|
var moduleDecl = ast;
|
|
var memberScope = null;
|
|
var aggScope = null;
|
|
if (moduleDecl.name && moduleDecl.mod) {
|
|
moduleDecl.name.sym = moduleDecl.mod.symbol;
|
|
}
|
|
var mod = moduleDecl.mod;
|
|
// We're likely here because of error recovery
|
|
if (!mod) {
|
|
return;
|
|
}
|
|
memberScope = new SymbolTableScope(mod.members, mod.ambientMembers, mod.enclosedTypes, mod.ambientEnclosedTypes, mod.symbol);
|
|
mod.memberScope = memberScope;
|
|
context.modDeclChain.push(moduleDecl);
|
|
context.typeFlow.checker.currentModDecl = moduleDecl;
|
|
aggScope = new SymbolAggregateScope(mod.symbol);
|
|
aggScope.addParentScope(memberScope);
|
|
aggScope.addParentScope(context.scopeChain.scope);
|
|
pushAssignScope(aggScope, context, null, null, null);
|
|
mod.containedScope = aggScope;
|
|
if (mod.symbol) {
|
|
context.typeFlow.addLocalsFromScope(mod.containedScope, mod.symbol, moduleDecl.vars, mod.members.privateMembers, true);
|
|
}
|
|
}
|
|
TypeScript.preAssignModuleScopes = preAssignModuleScopes;
|
|
function preAssignClassScopes(ast, context) {
|
|
var classDecl = ast;
|
|
var memberScope = null;
|
|
var aggScope = null;
|
|
if (classDecl.name && classDecl.type) {
|
|
classDecl.name.sym = classDecl.type.symbol;
|
|
}
|
|
var classType = ast.type;
|
|
if (classType) {
|
|
var classSym = classType.symbol;
|
|
memberScope = context.typeFlow.checker.scopeOf(classType);
|
|
aggScope = new SymbolAggregateScope(classType.symbol);
|
|
aggScope.addParentScope(memberScope);
|
|
aggScope.addParentScope(context.scopeChain.scope);
|
|
classType.containedScope = aggScope;
|
|
classType.memberScope = memberScope;
|
|
var instanceType = classType.instanceType;
|
|
memberScope = context.typeFlow.checker.scopeOf(instanceType);
|
|
instanceType.memberScope = memberScope;
|
|
aggScope = new SymbolAggregateScope(instanceType.symbol);
|
|
aggScope.addParentScope(context.scopeChain.scope);
|
|
pushAssignScope(aggScope, context, instanceType, classType, null);
|
|
instanceType.containedScope = aggScope;
|
|
}
|
|
else {
|
|
ast.type = context.typeFlow.anyType;
|
|
}
|
|
}
|
|
TypeScript.preAssignClassScopes = preAssignClassScopes;
|
|
function preAssignInterfaceScopes(ast, context) {
|
|
var interfaceDecl = ast;
|
|
var memberScope = null;
|
|
var aggScope = null;
|
|
if (interfaceDecl.name && interfaceDecl.type) {
|
|
interfaceDecl.name.sym = interfaceDecl.type.symbol;
|
|
}
|
|
var interfaceType = ast.type;
|
|
memberScope = context.typeFlow.checker.scopeOf(interfaceType);
|
|
interfaceType.memberScope = memberScope;
|
|
aggScope = new SymbolAggregateScope(interfaceType.symbol);
|
|
aggScope.addParentScope(memberScope);
|
|
aggScope.addParentScope(context.scopeChain.scope);
|
|
pushAssignScope(aggScope, context, null, null, null);
|
|
interfaceType.containedScope = aggScope;
|
|
}
|
|
TypeScript.preAssignInterfaceScopes = preAssignInterfaceScopes;
|
|
function preAssignWithScopes(ast, context) {
|
|
var withStmt = ast;
|
|
var withType = withStmt.type;
|
|
var members = new ScopedMembers(new DualStringHashTable(new StringHashTable(), new StringHashTable()));
|
|
var ambientMembers = new ScopedMembers(new DualStringHashTable(new StringHashTable(), new StringHashTable()));
|
|
var withType = new Type();
|
|
var withSymbol = new WithSymbol(withStmt.minChar, context.typeFlow.checker.locationInfo.unitIndex, withType);
|
|
withType.members = members;
|
|
withType.ambientMembers = ambientMembers;
|
|
withType.symbol = withSymbol;
|
|
withType.setHasImplementation();
|
|
withStmt.type = withType;
|
|
var withScope = new TypeScript.SymbolScopeBuilder(withType.members, withType.ambientMembers, null, null, context.scopeChain.scope, withType.symbol);
|
|
pushAssignScope(withScope, context, null, null, null);
|
|
withType.containedScope = withScope;
|
|
}
|
|
TypeScript.preAssignWithScopes = preAssignWithScopes;
|
|
function preAssignFuncDeclScopes(ast, context) {
|
|
var funcDecl = ast;
|
|
var container = null;
|
|
var localContainer = null;
|
|
if (funcDecl.type) {
|
|
localContainer = ast.type.symbol;
|
|
}
|
|
var isStatic = hasFlag(funcDecl.fncFlags, FncFlags.Static);
|
|
var isInnerStatic = isStatic && context.scopeChain.fnc != null;
|
|
// for inner static functions, use the parent's member scope, so local vars cannot be captured
|
|
var parentScope = isInnerStatic ? context.scopeChain.fnc.type.memberScope : context.scopeChain.scope;
|
|
// if this is not a method, but enclosed by class, use constructor as
|
|
// the enclosing scope
|
|
// REVIEW: Some twisted logic here - this needs to be cleaned up once old classes are removed
|
|
// - if it's a new class, always use the contained scope, since we initialize the constructor scope below
|
|
if (context.scopeChain.thisType &&
|
|
(!funcDecl.isConstructor || hasFlag(funcDecl.fncFlags, FncFlags.ClassMethod))) {
|
|
var instType = context.scopeChain.thisType;
|
|
if (!(instType.typeFlags & TypeFlags.IsClass) && !hasFlag(funcDecl.fncFlags, FncFlags.ClassMethod)) {
|
|
if (!funcDecl.isMethod() || isStatic) {
|
|
parentScope = instType.constructorScope;
|
|
}
|
|
else {
|
|
// use constructor scope if a method as well
|
|
parentScope = instType.containedScope;
|
|
}
|
|
}
|
|
else {
|
|
if (context.scopeChain.previous.scope.container &&
|
|
context.scopeChain.previous.scope.container.declAST &&
|
|
context.scopeChain.previous.scope.container.declAST.nodeType == NodeType.FuncDecl &&
|
|
context.scopeChain.previous.scope.container.declAST.isConstructor) {
|
|
// if the parent is the class constructor, use the constructor scope
|
|
parentScope = instType.constructorScope;
|
|
}
|
|
else if (isStatic && context.scopeChain.classType) {
|
|
parentScope = context.scopeChain.classType.containedScope;
|
|
}
|
|
else {
|
|
// else, use the contained scope
|
|
parentScope = instType.containedScope;
|
|
}
|
|
}
|
|
container = instType.symbol;
|
|
}
|
|
else if (funcDecl.isConstructor && context.scopeChain.thisType) {
|
|
// sets the container to the class type's symbol (which is shared by the instance type)
|
|
container = context.scopeChain.thisType.symbol;
|
|
}
|
|
if (funcDecl.type == null || hasFlag(funcDecl.type.symbol.flags, SymbolFlags.TypeSetDuringScopeAssignment)) {
|
|
if (context.scopeChain.fnc && context.scopeChain.fnc.type) {
|
|
container = context.scopeChain.fnc.type.symbol;
|
|
}
|
|
var funcScope = null;
|
|
var outerFnc = context.scopeChain.fnc;
|
|
var nameText = funcDecl.name ? funcDecl.name.actualText : null;
|
|
var fgSym = null;
|
|
if (isStatic) {
|
|
// In the case of function-nested statics, no member list will have bee initialized for the function, so we need
|
|
// to copy it over. We don't set this by default because having a non-null member list will throw off assignment
|
|
// compatibility tests
|
|
if (outerFnc.type.members == null && container.getType().memberScope) {
|
|
outerFnc.type.members = container.type.memberScope.valueMembers;
|
|
}
|
|
funcScope = context.scopeChain.fnc.type.memberScope;
|
|
outerFnc.innerStaticFuncs[outerFnc.innerStaticFuncs.length] = funcDecl;
|
|
}
|
|
else {
|
|
if (!funcDecl.isConstructor &&
|
|
container &&
|
|
container.declAST &&
|
|
container.declAST.nodeType == NodeType.FuncDecl &&
|
|
container.declAST.isConstructor &&
|
|
!funcDecl.isMethod()) {
|
|
funcScope = context.scopeChain.thisType.constructorScope; //locals;
|
|
}
|
|
else {
|
|
funcScope = context.scopeChain.scope;
|
|
}
|
|
}
|
|
// REVIEW: We don't search for another sym for accessors to prevent us from
|
|
// accidentally coalescing function signatures with the same name (E.g., a function
|
|
// 'f' the outer scope and a setter 'f' in an object literal within that scope)
|
|
if (nameText && nameText != "__missing" && !funcDecl.isAccessor()) {
|
|
if (isStatic) {
|
|
fgSym = funcScope.findLocal(nameText, false, false);
|
|
}
|
|
else {
|
|
// REVIEW: This logic should be symmetric with preCollectClassTypes
|
|
fgSym = funcScope.findLocal(nameText, false, false);
|
|
}
|
|
}
|
|
context.typeFlow.checker.createFunctionSignature(funcDecl, container, funcScope, fgSym, fgSym == null);
|
|
// it's a getter or setter for a class property
|
|
if (!funcDecl.accessorSymbol &&
|
|
(funcDecl.fncFlags & FncFlags.ClassMethod) &&
|
|
container &&
|
|
((!fgSym || fgSym.declAST.nodeType != NodeType.FuncDecl) && funcDecl.isAccessor()) ||
|
|
(fgSym && fgSym.isAccessor())) {
|
|
funcDecl.accessorSymbol = context.typeFlow.checker.createAccessorSymbol(funcDecl, fgSym, container.getType(), (funcDecl.isMethod() && isStatic), true, funcScope, container);
|
|
}
|
|
funcDecl.type.symbol.flags |= SymbolFlags.TypeSetDuringScopeAssignment;
|
|
}
|
|
// Set the symbol for functions and their overloads
|
|
if (funcDecl.name && funcDecl.type) {
|
|
funcDecl.name.sym = funcDecl.type.symbol;
|
|
}
|
|
// Keep track of the original scope type, because target typing might override
|
|
// the "type" member. We need the original "Scope type" for completion list, etc.
|
|
funcDecl.scopeType = funcDecl.type;
|
|
// Overloads have no scope, so bail here
|
|
if (funcDecl.isOverload) {
|
|
return;
|
|
}
|
|
var funcTable = new StringHashTable();
|
|
var funcMembers = new ScopedMembers(new DualStringHashTable(funcTable, new StringHashTable()));
|
|
var ambientFuncTable = new StringHashTable();
|
|
var ambientFuncMembers = new ScopedMembers(new DualStringHashTable(ambientFuncTable, new StringHashTable()));
|
|
var funcStaticTable = new StringHashTable();
|
|
var funcStaticMembers = new ScopedMembers(new DualStringHashTable(funcStaticTable, new StringHashTable()));
|
|
var ambientFuncStaticTable = new StringHashTable();
|
|
var ambientFuncStaticMembers = new ScopedMembers(new DualStringHashTable(ambientFuncStaticTable, new StringHashTable()));
|
|
// REVIEW: Is it a problem that this is being set twice for properties and constructors?
|
|
funcDecl.unitIndex = context.typeFlow.checker.locationInfo.unitIndex;
|
|
var locals = new SymbolScopeBuilder(funcMembers, ambientFuncMembers, null, null, parentScope, localContainer);
|
|
var statics = new SymbolScopeBuilder(funcStaticMembers, ambientFuncStaticMembers, null, null, parentScope, null);
|
|
if (funcDecl.isConstructor && context.scopeChain.thisType) {
|
|
context.scopeChain.thisType.constructorScope = locals;
|
|
}
|
|
// basically, there are two problems
|
|
// - Above, for new classes, we were overwriting the constructor scope with the containing scope. This caused constructor params to be
|
|
// in scope everywhere
|
|
// - Below, we're setting the contained scope table to the same table we were overwriting the constructor scope with, which we need to
|
|
// fish lambda params, etc, out (see funcTable below)
|
|
//
|
|
// A good first approach to solving this would be to change addLocalsFromScope to take a scope instead of a table, and add to the
|
|
// constructor scope as appropriate
|
|
funcDecl.symbols = funcTable;
|
|
if (!funcDecl.isSpecialFn()) {
|
|
var group = funcDecl.type;
|
|
var signature = funcDecl.signature;
|
|
if (!funcDecl.isConstructor) {
|
|
group.containedScope = locals;
|
|
locals.container = group.symbol;
|
|
group.memberScope = statics;
|
|
statics.container = group.symbol;
|
|
}
|
|
funcDecl.enclosingFnc = context.scopeChain.fnc;
|
|
group.enclosingType = isStatic ? context.scopeChain.classType : context.scopeChain.thisType;
|
|
// for mapping when type checking
|
|
var fgSym = ast.type.symbol;
|
|
if (((funcDecl.fncFlags & FncFlags.Signature) == FncFlags.None) && funcDecl.vars) {
|
|
context.typeFlow.addLocalsFromScope(locals, fgSym, funcDecl.vars, funcTable, false);
|
|
context.typeFlow.addLocalsFromScope(statics, fgSym, funcDecl.statics, funcStaticTable, false);
|
|
}
|
|
if (signature.parameters) {
|
|
var len = signature.parameters.length;
|
|
for (var i = 0; i < len; i++) {
|
|
var paramSym = signature.parameters[i];
|
|
context.typeFlow.checker.resolveTypeLink(locals, paramSym.parameter.typeLink, true);
|
|
}
|
|
}
|
|
context.typeFlow.checker.resolveTypeLink(locals, signature.returnType, funcDecl.isSignature());
|
|
}
|
|
if (!funcDecl.isConstructor || hasFlag(funcDecl.fncFlags, FncFlags.ClassMethod)) {
|
|
var thisType = (funcDecl.isConstructor && hasFlag(funcDecl.fncFlags, FncFlags.ClassMethod)) ? context.scopeChain.thisType : null;
|
|
pushAssignScope(locals, context, thisType, null, funcDecl);
|
|
}
|
|
}
|
|
TypeScript.preAssignFuncDeclScopes = preAssignFuncDeclScopes;
|
|
function preAssignCatchScopes(ast, context) {
|
|
var catchBlock = ast;
|
|
if (catchBlock.param) {
|
|
var catchTable = new ScopedMembers(new DualStringHashTable(new StringHashTable(), new StringHashTable())); // REVIEW: Should we be allocating a public table instead of a private one?
|
|
var catchLocals = new SymbolScopeBuilder(catchTable, null, null, null, context.scopeChain.scope, context.scopeChain.scope.container);
|
|
catchBlock.containedScope = catchLocals;
|
|
pushAssignScope(catchLocals, context, context.scopeChain.thisType, context.scopeChain.classType, context.scopeChain.fnc);
|
|
}
|
|
}
|
|
TypeScript.preAssignCatchScopes = preAssignCatchScopes;
|
|
function preAssignScopes(ast, parent, walker) {
|
|
var context = walker.state;
|
|
var go = true;
|
|
if (ast) {
|
|
if (ast.nodeType == NodeType.List) {
|
|
var list = ast;
|
|
list.enclosingScope = context.scopeChain.scope;
|
|
}
|
|
else if (ast.nodeType == NodeType.ModuleDeclaration) {
|
|
preAssignModuleScopes(ast, context);
|
|
}
|
|
else if (ast.nodeType == NodeType.ClassDeclaration) {
|
|
preAssignClassScopes(ast, context);
|
|
}
|
|
else if (ast.nodeType == NodeType.InterfaceDeclaration) {
|
|
preAssignInterfaceScopes(ast, context);
|
|
}
|
|
else if (ast.nodeType == NodeType.With) {
|
|
preAssignWithScopes(ast, context);
|
|
}
|
|
else if (ast.nodeType == NodeType.FuncDecl) {
|
|
preAssignFuncDeclScopes(ast, context);
|
|
}
|
|
else if (ast.nodeType == NodeType.Catch) {
|
|
preAssignCatchScopes(ast, context);
|
|
}
|
|
else if (ast.nodeType == NodeType.TypeRef) {
|
|
go = false;
|
|
}
|
|
}
|
|
walker.options.goChildren = go;
|
|
return ast;
|
|
}
|
|
TypeScript.preAssignScopes = preAssignScopes;
|
|
function postAssignScopes(ast, parent, walker) {
|
|
var context = walker.state;
|
|
var go = true;
|
|
if (ast) {
|
|
if (ast.nodeType == NodeType.ModuleDeclaration) {
|
|
var prevModDecl = ast;
|
|
popAssignScope(context);
|
|
context.modDeclChain.pop();
|
|
if (context.modDeclChain.length >= 1) {
|
|
context.typeFlow.checker.currentModDecl = context.modDeclChain[context.modDeclChain.length - 1];
|
|
}
|
|
}
|
|
else if (ast.nodeType == NodeType.ClassDeclaration) {
|
|
popAssignScope(context);
|
|
}
|
|
else if (ast.nodeType == NodeType.InterfaceDeclaration) {
|
|
popAssignScope(context);
|
|
}
|
|
else if (ast.nodeType == NodeType.With) {
|
|
popAssignScope(context);
|
|
}
|
|
else if (ast.nodeType == NodeType.FuncDecl) {
|
|
var funcDecl = ast;
|
|
if ((!funcDecl.isConstructor || hasFlag(funcDecl.fncFlags, FncFlags.ClassMethod)) && !funcDecl.isOverload) {
|
|
popAssignScope(context);
|
|
}
|
|
}
|
|
else if (ast.nodeType == NodeType.Catch) {
|
|
var catchBlock = ast;
|
|
if (catchBlock.param) {
|
|
popAssignScope(context);
|
|
}
|
|
}
|
|
else {
|
|
go = false;
|
|
}
|
|
}
|
|
walker.options.goChildren = go;
|
|
return ast;
|
|
}
|
|
TypeScript.postAssignScopes = postAssignScopes;
|
|
})(TypeScript || (TypeScript = {}));
|