microsoft/TypeScript
1
0
Fork 0
mirror of https://github.com/microsoft/TypeScript.git synced 2026-02-20 01:54:20 -06:00
Code Issues Packages Projects Releases 212 Wiki Activity

Clean up comment.

Browse Source
This commit is contained in:
Cyrus Najmabadi 2015-04-20 23:47:42 -07:00
parent 0a144e1806
commit b1417d408d
1 changed files with 14 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
src/compiler/binder.ts
View File

@ -322,7 +322,7 @@ module ts {
case SyntaxKind.TypeLiteral:
case SyntaxKind.ObjectLiteralExpression:
return ContainerFlags.IsContainer;
case SyntaxKind.CallSignature:
case SyntaxKind.ConstructSignature:
case SyntaxKind.IndexSignature:
@ -348,13 +348,19 @@ module ts {
return ContainerFlags.IsBlockScopedContainer;
case SyntaxKind.Block:
// do not treat function block a block-scope container
// all block-scope locals that reside in this block should go to the function locals.
// Otherwise this won't be considered as redeclaration of a block scoped local:
// function foo(x) {
// let x;
// }
// 'x' will be placed into the function locals and 'let x' - into the locals of the block
// do not treat function block a block-scope container. All block-scope locals
// that reside in this block should go to the function locals. Otherwise this
// wouldn't be considered as redeclaration of a block scoped local:
//
// function foo() {
// var x;
// let x;
// }
//
// If we placed 'var x' into the function locals and 'let x' - into the locals of
// the block, then there would be no collision. By doing this, we ensure that both
// 'var x' and 'let x' go into the Function-container's locals, and we do get a
// collision conflict.
return isFunctionLike(node.parent) ? ContainerFlags.None : ContainerFlags.IsBlockScopedContainer;
}