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slightly shorter generated code for ==>

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Jeremy Ashkenas
2010-01-14 08:55:09 -05:00
parent e77e520607
commit 001cc29deb
1 changed files with 3 additions and 11 deletions
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14
lib/coffee_script/nodes.rb
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@@ -558,20 +558,12 @@ module CoffeeScript
@bound = tag == :boundfunc @bound = tag == :boundfunc
end end
def statement?
@bound
end
def compile_node(o) def compile_node(o)
if @bound
o[:scope].assign("__this", "this")
fvar = o[:scope].free_variable
end
shared_scope = o.delete(:shared_scope) shared_scope = o.delete(:shared_scope)
o[:scope] = shared_scope || Scope.new(o[:scope], @body) o[:scope] = shared_scope || Scope.new(o[:scope], @body)
o[:return] = true o[:return] = true
o[:top] = true o[:top] = true
o[:indent] = idt(1) o[:indent] = idt(@bound ? 2 : 1)
o.delete(:no_wrap) o.delete(:no_wrap)
o.delete(:globals) o.delete(:globals)
name = o.delete(:immediate_assign) name = o.delete(:immediate_assign)
@@ -583,9 +575,9 @@ module CoffeeScript
@params.each {|id| o[:scope].parameter(id.to_s) } @params.each {|id| o[:scope].parameter(id.to_s) }
code = "\n#{@body.compile_with_declarations(o)}\n" code = "\n#{@body.compile_with_declarations(o)}\n"
name_part = name ? " #{name}" : '' name_part = name ? " #{name}" : ''
func = "function#{@bound ? '' : name_part}(#{@params.join(', ')}) {#{code}#{idt}}" func = "function#{@bound ? '' : name_part}(#{@params.join(', ')}) {#{code}#{idt(@bound ? 1 : 0)}}"
return write(func) unless @bound return write(func) unless @bound
write("#{idt}#{fvar} = #{func};\n#{idt}#{o[:return] ? 'return ' : ''}(function#{name_part}() {\n#{idt(1)}return #{fvar}.apply(__this, arguments);\n#{idt}});") write("(function(__this) {\n#{idt(1)}var __func = #{func};\n#{idt(1)}return (function#{name_part}() {\n#{idt(2)}return __func.apply(__this, arguments);\n#{idt(1)}});\n#{idt}})(this)")
end end
end end