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Improve perf

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This commit is contained in:
Andy Hanson 2016-06-09 11:12:12 -07:00
parent f215ac94c2
commit 03371c0e6f
1 changed files with 10 additions and 10 deletions
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20
src/compiler/checker.ts
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@ -11291,7 +11291,7 @@ namespace ts {
const declaringClassDeclaration = <ClassLikeDeclaration>getClassLikeDeclarationOfSymbol(declaration.parent.symbol);
const declaringClass = <InterfaceType>getDeclaredTypeOfSymbol(declaration.parent.symbol);
// A private or protected constructor can only be instantiated within it's own class
// A private or protected constructor can only be instantiated within it's own class
if (!isNodeWithinClass(node, declaringClassDeclaration)) {
if (flags & NodeFlags.Private) {
error(node, Diagnostics.Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration, typeToString(declaringClass));
@ -16154,12 +16154,12 @@ namespace ts {
const symbol = getSymbolOfNode(node);
const target = resolveAlias(symbol);
if (target !== unknownSymbol) {
// For external modules symbol represent local symbol for an alias.
// For external modules symbol represent local symbol for an alias.
// This local symbol will merge any other local declarations (excluding other aliases)
// and symbol.flags will contains combined representation for all merged declaration.
// Based on symbol.flags we can compute a set of excluded meanings (meaning that resolved alias should not have,
// otherwise it will conflict with some local declaration). Note that in addition to normal flags we include matching SymbolFlags.Export*
// in order to prevent collisions with declarations that were exported from the current module (they still contribute to local names).
// otherwise it will conflict with some local declaration). Note that in addition to normal flags we include matching SymbolFlags.Export*
// in order to prevent collisions with declarations that were exported from the current module (they still contribute to local names).
const excludedMeanings =
(symbol.flags & (SymbolFlags.Value | SymbolFlags.ExportValue) ? SymbolFlags.Value : 0) |
(symbol.flags & SymbolFlags.Type ? SymbolFlags.Type : 0) |
@ -16358,7 +16358,7 @@ namespace ts {
continue;
}
const { declarations, flags } = exports[id];
// ECMA262: 15.2.1.1 It is a Syntax Error if the ExportedNames of ModuleItemList contains any duplicate entries.
// ECMA262: 15.2.1.1 It is a Syntax Error if the ExportedNames of ModuleItemList contains any duplicate entries.
// (TS Exceptions: namespaces, function overloads, enums, and interfaces)
if (flags & (SymbolFlags.Namespace | SymbolFlags.Interface | SymbolFlags.Enum)) {
continue;
@ -17063,10 +17063,10 @@ namespace ts {
}
// Gets the type of object literal or array literal of destructuring assignment.
// { a } from
// { a } from
// for ( { a } of elems) {
// }
// [ a ] from
// [ a ] from
// [a] = [ some array ...]
function getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(expr: Expression): Type {
Debug.assert(expr.kind === SyntaxKind.ObjectLiteralExpression || expr.kind === SyntaxKind.ArrayLiteralExpression);
@ -17099,10 +17099,10 @@ namespace ts {
}
// Gets the property symbol corresponding to the property in destructuring assignment
// 'property1' from
// 'property1' from
// for ( { property1: a } of elems) {
// }
// 'property1' at location 'a' from:
// 'property1' at location 'a' from:
// [a] = [ property1, property2 ]
function getPropertySymbolOfDestructuringAssignment(location: Identifier) {
// Get the type of the object or array literal and then look for property of given name in the type
@ -17642,7 +17642,7 @@ namespace ts {
mergeSymbolTable(globals, file.locals);
}
if (file.patternAmbientModules && file.patternAmbientModules.length) {
(patternAmbientModules || (patternAmbientModules = [])).push(...file.patternAmbientModules);
patternAmbientModules = concatenate(patternAmbientModules, file.patternAmbientModules);
}
if (file.moduleAugmentations.length) {