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CoffeeScript-in-CoffeeScript can compile object[indexes]

This commit is contained in:
Jeremy Ashkenas 2010-02-08 23:45:46 -05:00
parent cb57a1ca1f
commit 863de88671
2 changed files with 24 additions and 1 deletions
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12
lib/coffee_script/nodes.js
View File

@ -1,5 +1,5 @@
(function(){
var AccessorNode, CallNode, CommentNode, Expressions, ExtendsNode, LiteralNode, Node, ReturnNode, TAB, TRAILING_WHITESPACE, ValueNode, any, compact, del, dup, flatten, inherit, merge, statement;
var AccessorNode, CallNode, CommentNode, Expressions, ExtendsNode, IndexNode, LiteralNode, Node, ReturnNode, TAB, TRAILING_WHITESPACE, ValueNode, any, compact, del, dup, flatten, inherit, merge, statement;
var __hasProp = Object.prototype.hasOwnProperty;
process.mixin(require('./scope'));
// The abstract base class for all CoffeeScript nodes.
@ -734,4 +734,14 @@
return '.' + (this.prototype ? 'prototype.' : '') + this.name.compile(o);
}
}));
// An indexed accessor into a part of an array or object.
IndexNode = (exports.IndexNode = inherit(Node, {
constructor: function constructor(index) {
this.children = [(this.index = index)];
return this;
},
compile_node: function compile_node(o) {
return '[' + this.index.compile(o) + ']';
}
}));
})();

13
src/nodes.coffee
View File

@ -460,6 +460,19 @@ AccessorNode: exports.AccessorNode: inherit Node, {
}
# An indexed accessor into a part of an array or object.
IndexNode: exports.IndexNode: inherit Node, {
constructor: (index) ->
@children: [@index: index]
this
compile_node: (o) ->
'[' + @index.compile(o) + ']'
}