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62 lines
2.0 KiB
62 lines
2.0 KiB
from __future__ import unicode_literals
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from ..conversions import *
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from ..func_utils import *
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# python 3 support
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import six
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if six.PY3:
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basestring = str
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long = int
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xrange = range
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unicode = str
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# todo fix apply and bind
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class FunctionPrototype:
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def toString(this, args):
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if not is_callable(this):
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raise MakeError('TypeError',
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'Function.prototype.toString is not generic')
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args = u', '.join(map(unicode, this.params))
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return u'function %s(%s) { [native code] }' % (this.name if this.name
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else u'', args)
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def call(this, args):
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if not is_callable(this):
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raise MakeError('TypeError',
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'Function.prototype.call is not generic')
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_this = get_arg(args, 0)
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_args = tuple(args)[1:]
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return this.call(_this, _args)
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def apply(this, args):
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if not is_callable(this):
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raise MakeError('TypeError',
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'Function.prototype.apply is not generic')
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_args = get_arg(args, 1)
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if not is_object(_args):
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raise MakeError(
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'TypeError',
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'argList argument to Function.prototype.apply must an Object')
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_this = get_arg(args, 0)
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return this.call(_this, js_array_to_tuple(_args))
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def bind(this, args):
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if not is_callable(this):
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raise MakeError('TypeError',
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'Function.prototype.bind is not generic')
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bound_this = get_arg(args, 0)
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bound_args = tuple(args)[1:]
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def bound(dummy_this, extra_args):
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return this.call(bound_this, bound_args + tuple(extra_args))
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js_bound = args.space.NewFunction(bound, this.ctx, (), u'', False, ())
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js_bound.put(u'length',
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float(max(len(this.params) - len(bound_args), 0.)))
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js_bound.put(u'name', u'boundFunc')
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return js_bound
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