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CoffeeScript-in-CoffeeScript can compile @property references.

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This commit is contained in:
Jeremy Ashkenas
2010-02-08 23:51:34 -05:00
parent 863de88671
commit 522df2a355
4 changed files with 38 additions and 1 deletions
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11
lib/coffee_script/nodes.js
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@@ -1,5 +1,5 @@
(function(){
var AccessorNode, CallNode, CommentNode, Expressions, ExtendsNode, IndexNode, 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, ThisNode, 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.
@@ -744,4 +744,13 @@
return '[' + this.index.compile(o) + ']';
}
}));
// A this-reference, using '@'.
ThisNode = (exports.ThisNode = inherit(Node, {
constructor: function constructor(property) {
return this.property = property || null;
},
compile_node: function compile_node(o) {
return 'this' + (this.property ? '.' + this.property : '');
}
}));
})();

9
lib/coffee_script/parser.js
View File

@@ -212,6 +212,8 @@
return new ValueNode($1);
}), o("Range", function() {
return new ValueNode($1);
}), o("This", function() {
return new ValueNode($1);
}), o("Value Accessor", function() {
return $1.push($2);
}), o("Invocation Accessor", function() {
@@ -285,6 +287,13 @@
return new CallNode('super', $3);
})
],
// This references, either naked or to a property.
This: [o("@", function() {
return new ThisNode();
}), o("@ IDENTIFIER", function() {
return new ThisNode(yytext);
})
],
// The range literal.
Range: [o("[ Expression . . Expression ]", function() {
return new RangeNode($2, $5);