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fixing closurenode wrapping of bodies with bound function declarations inside -- this doesn't have to be mentioned explicitly.

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This commit is contained in:
Jeremy Ashkenas 2010-06-30 21:54:16 -04:00
parent 5ca5a504a4
commit 7a5f014014
3 changed files with 19 additions and 4 deletions
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4
lib/nodes.js
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@ -1623,10 +1623,10 @@
func = new ParentheticalNode(new CodeNode([], Expressions.wrap([expressions])));
args = [];
mentionsArgs = expressions.contains(function(n) {
return (n instanceof LiteralNode) && (n.value === 'arguments');
return n instanceof LiteralNode && (n.value === 'arguments');
});
mentionsThis = expressions.contains(function(n) {
return (n instanceof LiteralNode) && (n.value === 'this');
return (n instanceof LiteralNode && (n.value === 'this')) || (n instanceof CodeNode && n.bound);
});
if (mentionsArgs || mentionsThis) {
meth = literal(mentionsArgs ? 'apply' : 'call');

7
src/nodes.coffee
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@ -1381,8 +1381,11 @@ ClosureNode: exports.ClosureNode: {
return expressions if expressions.containsPureStatement()
func: new ParentheticalNode(new CodeNode([], Expressions.wrap([expressions])))
args: []
mentionsArgs: expressions.contains (n) -> (n instanceof LiteralNode) and (n.value is 'arguments')
mentionsThis: expressions.contains (n) -> (n instanceof LiteralNode) and (n.value is 'this')
mentionsArgs: expressions.contains (n) ->
n instanceof LiteralNode and (n.value is 'arguments')
mentionsThis: expressions.contains (n) ->
(n instanceof LiteralNode and (n.value is 'this')) or
(n instanceof CodeNode and n.bound)
if mentionsArgs or mentionsThis
meth: literal(if mentionsArgs then 'apply' else 'call')
args: [literal('this')]

12
test/test_classes.coffee
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@ -144,3 +144,15 @@ fido: new Dog('Fido')
fido.bark: spark.bark
ok fido.bark() is 'Spark woofs!'
# Testing a bound function in a bound function.
class Mini
num: 10
generate: =>
for i in [1..3]
=>
@num
m: new Mini
ok (func() for func in m.generate()).join(' ') is '10 10 10'