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mylar/lib/js2py/constructors/jsfunction.py

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from ..base import *
try:
from ..translators.translator import translate_js
except:
pass
@Js
def Function():
# convert arguments to python list of strings
a = [e.to_string().value for e in arguments.to_list()]
body = ';'
args = ()
if len(a):
body = '%s;' % a[-1]
args = a[:-1]
# translate this function to js inline function
js_func = '(function (%s) {%s})' % (','.join(args), body)
# now translate js inline to python function
py_func = translate_js(js_func, '')
# add set func scope to global scope
# a but messy solution but works :)
globals()['var'] = PyJs.GlobalObject
# define py function and return it
temp = executor(py_func, globals())
temp.source = '{%s}'%body
temp.func_name = 'anonymous'
return temp
def executor(f, glob):
exec(f, globals())
return globals()['PyJs_anonymous_0_']
#new statement simply calls Function
Function.create = Function
#set constructor property inside FunctionPrototype
fill_in_props(FunctionPrototype, {'constructor':Function}, default_attrs)
#attach prototype to Function constructor
Function.define_own_property('prototype', {'value': FunctionPrototype,
'enumerable': False,
'writable': False,
'configurable': False})
#Fix Function length (its 0 and should be 1)
Function.own['length']['value'] = Js(1)