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undo moving unknownSymbol to global

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Mohamed Hegazy
2014-08-04 12:52:19 -07:00
parent 8956c4947c
commit a061f99541
1 changed files with 1 additions and 9 deletions
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10
src/compiler/checker.ts
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@@ -11,11 +11,6 @@ module ts {
var nextNodeId = 1;
var nextMergeId = 1;
// unknownSymbol can survive across different type checking sessions (e.g. in the language service)
// We use referential comparison to know if a symbol is the unknown symbol; creating a new symbol
// every time would defy that purpose. So we need to have a single object to represent the "unknown" symbol.
var unknownSymbol: Symbol;
export function createTypeChecker(program: Program): TypeChecker {
var Symbol = objectAllocator.getSymbolConstructor();
@@ -29,12 +24,9 @@ module ts {
var undefinedSymbol = createSymbol(SymbolFlags.Property | SymbolFlags.Transient, "undefined");
var argumentsSymbol = createSymbol(SymbolFlags.Property | SymbolFlags.Transient, "arguments");
var unknownSymbol = createSymbol(SymbolFlags.Property | SymbolFlags.Transient, "unknown");
var resolvingSymbol = createSymbol(SymbolFlags.Transient, "__resolving__");
if (!unknownSymbol) {
unknownSymbol = createSymbol(SymbolFlags.Property | SymbolFlags.Transient, "unknown");
}
var anyType = createIntrinsicType(TypeFlags.Any, "any");
var stringType = createIntrinsicType(TypeFlags.String, "string");
var numberType = createIntrinsicType(TypeFlags.Number, "number");