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Slightly altered syntax, similar to Underscore's Function#bind form, highly simplified lexing and parsing and no polluted scope. Passing tests included.

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matehat
2010-03-18 00:19:32 -04:00
parent 3b22018296
commit 1f87094628
10 changed files with 134 additions and 195 deletions
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25
src/nodes.coffee
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@@ -393,29 +393,20 @@ exports.CallNode: class CallNode extends BaseNode
# After `Underscore.bind` from [Underscore](http://documentcloud.github.com/underscore/).
exports.CurryNode: class CurryNode extends CallNode
type: 'Curry'
code: '''
function(func, obj, args) {
return function() {
return func.apply(obj || {}, args.concat(__slice.call(arguments, 0)));
};
}
'''
slice: "Array.prototype.slice"
constructor: (meth, bind, args) ->
@children: flatten [@meth: meth, @bind: bind or literal('this'), @args: (args or [])]
constructor: (meth, args) ->
@children: flatten [@meth: meth, @context: args[0], @args: (args.slice(1) or [])]
arguments: (o) ->
for arg in @args
return literal(@compile_splat_arguments(o)) if arg instanceof SplatNode
new ArrayNode(@args)
return @compile_splat_arguments(o) if arg instanceof SplatNode
(new ArrayNode(@args)).compile o
compile_node: (o) ->
o.scope.assign('__curry', @code, true)
o.scope.assign('__slice', @slice, true)
ref: new ValueNode literal('__curry')
call: new CallNode ref, [@meth, @bind, @arguments(o)]
call.compile(o)
body: Expressions.wrap([literal('func.apply(obj || {}, args.concat(Array.prototype.slice.call(arguments, 0)));')])
curried: new CodeNode([], body)
curry: new CodeNode([literal('func'), literal('obj'), literal('args')], Expressions.wrap([curried]))
(new ParentheticalNode(new CallNode(curry, [@meth, @context, literal(@arguments(o))]))).compile o