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Add explanatory comments.

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Cyrus Najmabadi 2015-04-20 23:43:54 -07:00
parent 60d0b1444d
commit d220b7ebb4
1 changed files with 19 additions and 3 deletions
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22
src/compiler/binder.ts
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@ -53,11 +53,27 @@ module ts {
}
const enum ContainerFlags {
None = 0,
IsContainer = 0x01,
IsBlockScopedContainer = 0x02,
// The current node is not a container, and no container manipulation should happen before
// recursing into it.
None = 0,
// The current node is a container. It should be set as the current container (and block-
// container) before recursing into it. The current node does not have locals. Examples:
//
// Classes, ObjectLiterals, TypeLiterals, Interfaces...
IsContainer = 0x01,
// The current node is a block-scoped-container. It should be set as the current block-
// container before recursing into it. Examples:
//
// Blocks (when not parented by functions), Catch clauses, For/For-in/For-of statements...
IsBlockScopedContainer = 0x02,
HasLocals = 0x04,
// If the current node is a container that also container that also contains locals. Examples:
//
// Functions, Methods, Modules, Source-files.
IsContainerWithLocals = IsContainer | HasLocals
}