mirror of
https://github.com/SickGear/SickGear.git
synced 2024-11-22 12:55:05 +00:00
281 lines
8.8 KiB
Python
281 lines
8.8 KiB
Python
from __future__ import unicode_literals
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from .base import Scope
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from .func_utils import *
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from .conversions import *
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import six
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from .prototypes.jsboolean import BooleanPrototype
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from .prototypes.jserror import ErrorPrototype
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from .prototypes.jsfunction import FunctionPrototype
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from .prototypes.jsnumber import NumberPrototype
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from .prototypes.jsobject import ObjectPrototype
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from .prototypes.jsregexp import RegExpPrototype
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from .prototypes.jsstring import StringPrototype
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from .prototypes.jsarray import ArrayPrototype
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from .prototypes import jsjson
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from .prototypes import jsutils
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from .constructors import jsnumber, jsstring, jsarray, jsboolean, jsregexp, jsmath, jsobject, jsfunction, jsconsole
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def fill_proto(proto, proto_class, space):
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for i in dir(proto_class):
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e = getattr(proto_class, i)
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if six.PY2:
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if hasattr(e, '__func__'):
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meth = e.__func__
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else:
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continue
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else:
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if hasattr(e, '__call__') and not i.startswith('__'):
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meth = e
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else:
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continue
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meth_name = meth.__name__.strip('_') # RexExp._exec -> RegExp.exec
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js_meth = space.NewFunction(meth, space.ctx, (), meth_name, False, ())
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set_non_enumerable(proto, meth_name, js_meth)
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return proto
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def easy_func(f, space):
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return space.NewFunction(f, space.ctx, (), f.__name__, False, ())
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def Empty(this, args):
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return undefined
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def set_non_enumerable(obj, name, prop):
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obj.define_own_property(
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unicode(name), {
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'value': prop,
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'writable': True,
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'enumerable': False,
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'configurable': True
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}, True)
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def set_protected(obj, name, prop):
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obj.define_own_property(
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unicode(name), {
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'value': prop,
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'writable': False,
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'enumerable': False,
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'configurable': False
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}, True)
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def fill_space(space, byte_generator):
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# set global scope
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global_scope = Scope({}, space, parent=None)
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global_scope.THIS_BINDING = global_scope
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global_scope.registers(byte_generator.declared_vars)
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space.GlobalObj = global_scope
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space.byte_generator = byte_generator
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# first init all protos, later take care of constructors and details
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# Function must be first obviously, we have to use a small trick to do that...
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function_proto = space.NewFunction(Empty, space.ctx, (), 'Empty', False,
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())
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space.FunctionPrototype = function_proto # this will fill the prototypes of the methods!
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fill_proto(function_proto, FunctionPrototype, space)
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# Object next
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object_proto = space.NewObject() # no proto
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fill_proto(object_proto, ObjectPrototype, space)
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space.ObjectPrototype = object_proto
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function_proto.prototype = object_proto
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# Number
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number_proto = space.NewObject()
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number_proto.prototype = object_proto
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fill_proto(number_proto, NumberPrototype, space)
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number_proto.value = 0.
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number_proto.Class = 'Number'
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space.NumberPrototype = number_proto
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# String
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string_proto = space.NewObject()
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string_proto.prototype = object_proto
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fill_proto(string_proto, StringPrototype, space)
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string_proto.value = u''
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string_proto.Class = 'String'
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space.StringPrototype = string_proto
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# Boolean
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boolean_proto = space.NewObject()
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boolean_proto.prototype = object_proto
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fill_proto(boolean_proto, BooleanPrototype, space)
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boolean_proto.value = False
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boolean_proto.Class = 'Boolean'
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space.BooleanPrototype = boolean_proto
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# Array
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array_proto = space.NewArray(0)
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array_proto.prototype = object_proto
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fill_proto(array_proto, ArrayPrototype, space)
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space.ArrayPrototype = array_proto
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# JSON
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json = space.NewObject()
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json.put(u'stringify', easy_func(jsjson.stringify, space))
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json.put(u'parse', easy_func(jsjson.parse, space))
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# Utils
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parseFloat = easy_func(jsutils.parseFloat, space)
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parseInt = easy_func(jsutils.parseInt, space)
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isNaN = easy_func(jsutils.isNaN, space)
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isFinite = easy_func(jsutils.isFinite, space)
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# Error
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error_proto = space.NewError(u'Error', u'')
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error_proto.prototype = object_proto
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error_proto.put(u'name', u'Error')
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fill_proto(error_proto, ErrorPrototype, space)
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space.ErrorPrototype = error_proto
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def construct_constructor(typ):
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def creator(this, args):
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message = get_arg(args, 0)
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if not is_undefined(message):
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msg = to_string(message)
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else:
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msg = u''
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return space.NewError(typ, msg)
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j = easy_func(creator, space)
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j.name = unicode(typ)
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set_protected(j, 'prototype', space.ERROR_TYPES[typ])
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set_non_enumerable(space.ERROR_TYPES[typ], 'constructor', j)
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def new_create(args, space):
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message = get_arg(args, 0)
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if not is_undefined(message):
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msg = to_string(message)
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else:
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msg = u''
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return space.NewError(typ, msg)
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j.create = new_create
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return j
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# fill remaining error types
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error_constructors = {}
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for err_type_name in (u'Error', u'EvalError', u'RangeError',
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u'ReferenceError', u'SyntaxError', u'TypeError',
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u'URIError'):
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extra_err = space.NewError(u'Error', u'')
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extra_err.put(u'name', err_type_name)
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setattr(space, err_type_name + u'Prototype', extra_err)
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error_constructors[err_type_name] = construct_constructor(
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err_type_name)
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assert space.TypeErrorPrototype is not None
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# RegExp
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regexp_proto = space.NewRegExp(u'(?:)', u'')
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regexp_proto.prototype = object_proto
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fill_proto(regexp_proto, RegExpPrototype, space)
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space.RegExpPrototype = regexp_proto
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# Json
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# now all these boring constructors...
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# Number
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number = easy_func(jsnumber.Number, space)
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space.Number = number
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number.create = jsnumber.NumberConstructor
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set_non_enumerable(number_proto, 'constructor', number)
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set_protected(number, 'prototype', number_proto)
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# number has some extra constants
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for k, v in jsnumber.CONSTS.items():
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set_protected(number, k, v)
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# String
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string = easy_func(jsstring.String, space)
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space.String = string
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string.create = jsstring.StringConstructor
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set_non_enumerable(string_proto, 'constructor', string)
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set_protected(string, 'prototype', string_proto)
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# string has an extra function
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set_non_enumerable(string, 'fromCharCode',
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easy_func(jsstring.fromCharCode, space))
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# Boolean
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boolean = easy_func(jsboolean.Boolean, space)
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space.Boolean = boolean
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boolean.create = jsboolean.BooleanConstructor
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set_non_enumerable(boolean_proto, 'constructor', boolean)
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set_protected(boolean, 'prototype', boolean_proto)
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# Array
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array = easy_func(jsarray.Array, space)
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space.Array = array
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array.create = jsarray.ArrayConstructor
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set_non_enumerable(array_proto, 'constructor', array)
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set_protected(array, 'prototype', array_proto)
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array.put(u'isArray', easy_func(jsarray.isArray, space))
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# RegExp
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regexp = easy_func(jsregexp.RegExp, space)
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space.RegExp = regexp
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regexp.create = jsregexp.RegExpCreate
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set_non_enumerable(regexp_proto, 'constructor', regexp)
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set_protected(regexp, 'prototype', regexp_proto)
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# Object
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_object = easy_func(jsobject.Object, space)
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space.Object = _object
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_object.create = jsobject.ObjectCreate
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set_non_enumerable(object_proto, 'constructor', _object)
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set_protected(_object, 'prototype', object_proto)
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fill_proto(_object, jsobject.ObjectMethods, space)
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# Function
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function = easy_func(jsfunction.Function, space)
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space.Function = function
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# Math
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math = space.NewObject()
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math.Class = 'Math'
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fill_proto(math, jsmath.MathFunctions, space)
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for k, v in jsmath.CONSTANTS.items():
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set_protected(math, k, v)
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console = space.NewObject()
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fill_proto(console, jsconsole.ConsoleMethods, space)
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# set global object
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builtins = {
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'String': string,
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'Number': number,
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'Boolean': boolean,
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'RegExp': regexp,
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'exports': convert_to_js_type({}, space),
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'Math': math,
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#'Date',
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'Object': _object,
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'Function': function,
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'JSON': json,
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'Array': array,
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'parseFloat': parseFloat,
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'parseInt': parseInt,
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'isFinite': isFinite,
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'isNaN': isNaN,
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'eval': easy_func(jsfunction._eval, space),
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'console': console,
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'log': console.get(u'log'),
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}
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builtins.update(error_constructors)
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set_protected(global_scope, 'NaN', NaN)
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set_protected(global_scope, 'Infinity', Infinity)
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for k, v in builtins.items():
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set_non_enumerable(global_scope, k, v)
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