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Add clarifying comments to binder.

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This commit is contained in:
Cyrus Najmabadi 2015-04-19 23:30:06 -07:00
parent ee6c7dc0e4
commit aaf9371357
1 changed files with 8 additions and 3 deletions
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11
src/compiler/binder.ts
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@ -603,9 +603,14 @@ module ts {
let symbol = node.symbol;
// TypeScript 1.0 spec (April 2014): 8.4
// Every class automatically contains a static property member named 'prototype',
// the type of which is an instantiation of the class type with type Any supplied as a type argument for each type parameter.
// It is an error to explicitly declare a static property member with the name 'prototype'.
// Every class automatically contains a static property member named 'prototype', the
// type of which is an instantiation of the class type with type Any supplied as a type
// argument for each type parameter. It is an error to explicitly declare a static
// property member with the name 'prototype'.
//
// Note: we check for this here because this class may be merging into a module. The
// module might have an exported variable called 'prototype'. We can't allow that as
// that would clash with the built-in 'prototype' for the class.
let prototypeSymbol = createSymbol(SymbolFlags.Property | SymbolFlags.Prototype, "prototype");
if (hasProperty(symbol.exports, prototypeSymbol.name)) {
if (node.name) {