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fixing the extends keyword when the expressions are complex, and should only be run once -- not that it's good style -- ticket #143

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This commit is contained in:
Jeremy Ashkenas
2010-02-16 23:23:43 -05:00
parent bedc005d67
commit 0610e20a3c
6 changed files with 39 additions and 11 deletions
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11
src/nodes.coffee
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@@ -375,7 +375,16 @@ ExtendsNode: exports.ExtendsNode: inherit Node, {
construct: o.scope.free_variable()
child: @child.compile(o)
parent: @parent.compile(o)
@idt() + construct + ' = function(){};\n' + @idt() +
prefix: ''
if not (@child instanceof ValueNode) or @child.has_properties() or not (@child.unwrap() instanceof LiteralNode)
child_var: o.scope.free_variable()
prefix += @idt() + child_var + ' = ' + child + ';\n'
child: child_var
if not (@parent instanceof ValueNode) or @parent.has_properties() or not (@parent.unwrap() instanceof LiteralNode)
parent_var: o.scope.free_variable()
prefix += @idt() + parent_var + ' = ' + parent + ';\n'
parent: parent_var
prefix + @idt() + construct + ' = function(){};\n' + @idt() +
construct + '.prototype = ' + parent + ".prototype;\n" + @idt() +
child + '.__superClass__ = ' + parent + ".prototype;\n" + @idt() +
child + '.prototype = new ' + construct + "();\n" + @idt() +