a33b47e485
- adds `jsgrammar.LINETERMINATORSEQ_RE` - lexer `tstream.TokenStream` checks for lineterminators in tokens - adds `tstream.Token` - refractors `tstream.TokenStream` and `jsparser.Parser` and to use it
169 lines
4.2 KiB
Python
169 lines
4.2 KiB
Python
from __future__ import unicode_literals
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from .internals import to_uint32, to_integer
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from .base import native_number, undefined
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from .jsobject import JSObject, JSObjectPrototype
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from .jsnumber import JSNumberPrototype
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class JSArrayPrototype(JSObjectPrototype):
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def __init__(self, value=None):
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super(JSArrayPrototype, self).__init__()
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if value is None:
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# prototype
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self.value = []
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else:
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self.value = value
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self.own = dict((str(i), v) for i, v in enumerate(value))
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self.own['length'] = self._length
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def __str__(self):
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return 'JSArrayPrototype: %s' % self.value
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def __repr__(self):
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return 'JSArrayPrototype(%s, %s)' % (self.value, self._length)
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@property
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def _length(self):
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return len(self.value)
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@staticmethod
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def _constructor(*args):
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return JSArray.construct(*args)
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def _to_string(self):
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return 'array to string'
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def _to_locale_string(self):
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return 'array to locale string'
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def _concat(self, *items):
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return 'array concat'
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def _join(self, sep):
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return 'array join'
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def _pop(self):
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return 'array pop'
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def _push(self, *items):
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return 'array push'
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def _reverse(self):
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return 'array reverse'
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def _shift(self):
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return 'array shift'
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def _slice(self, start, end=None):
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from .utils import to_js
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start = to_js(start)
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end = to_js(end)
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length = to_js(len(self.value))
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length = to_uint32(length)
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start = to_integer(start)
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end = length if end is undefined else to_integer(end)
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start = min(start, length) if start > 0 else max(length + start, 0)
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# TODO add jstest for it
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return self.value[start:end]
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def _sort(self, cmp):
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return 'array sort'
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def _splice(self, start, delete_count, *items):
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return 'array splice'
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def _unshift(self, *items):
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return 'array unshift'
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def _index_of(self, elem, from_index=0):
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return 'array index of'
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def _last_index_of(self, elem, from_index=None):
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if from_index is None:
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from_index = len(self.value) - 1
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return 'array index of'
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def _every(self, callback, this_arg=None):
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return 'array every'
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def _some(self, callback, this_arg=None):
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return 'array some'
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def _for_each(self, callback, this_arg=None):
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return 'array for_each'
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def _map(self, callback, this_arg=None):
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return 'array map'
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def _filter(self, callback, this_arg=None):
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return 'array filter'
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def _reduce(self, callback, init=None):
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return 'array reduce'
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def _reduce_right(self, callback, init=None):
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return 'array reduce right'
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jsclass = 'Array'
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own = {
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'length': _length,
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'constructor': _constructor,
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'toString': _to_string,
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'toLocaleString': _to_locale_string,
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'concat': _concat,
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'join': _join,
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'pop': _pop,
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'push': _push,
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'reverse': _reverse,
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'shift': _shift,
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'slice': _slice,
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'sort': _sort,
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'splice': _splice,
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'unshift': _unshift,
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'indexOf': _index_of,
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'lastIndexOf': _last_index_of,
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'every': _every,
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'some': _some,
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'forEach': _for_each,
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'map': _map,
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'filter': _filter,
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'reduce': _reduce,
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'reduceRight': _reduce_right
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}
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class JSArray(JSObject):
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@staticmethod
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def call(*args):
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return JSArray.construct(*args)
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@staticmethod
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def construct(*args):
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if len(args) == 1:
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if isinstance(args[0], native_number):
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return JSArrayPrototype([undefined] * args[0])
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elif isinstance(args[0], JSNumberPrototype):
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return JSArrayPrototype([undefined] * args[0]._value_of())
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if args:
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return JSArrayPrototype(args)
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else:
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return JSArrayPrototype([])
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def _is_array(self, arg):
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return 'array is array'
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name = JSArrayPrototype.jsclass
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own = {
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'length': 1,
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'prototype': JSArrayPrototype(),
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'isArray': _is_array
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}
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