def toString(self, v):
if v.isUndefined():
return Value.object(self.strings['undefined'])
if v.isNull():
return Value.object(self.strings['null'])
if v.isBoolean():
return Value.object(self.strings['true'] if v.toBoolean() else self.strings['false'])
if v.isInt():
return Value.object(new_string(str(v.toInt())))
assert v.isObject()
obj = v.toObject()
if obj.isPrimitive():
if obj.isDouble():
return Value.object(new_string(obj.toString()))
else:
return v
raise NotImplementedError('js object to string')
def setupGlobal(self):
self.scope = None
global_shape = Shape(0xf, 'Global', None, "", -1, 0, 0xff, None)
global_properties = (c_int * 0xff)()
global_object = PlainObject(addressof(global_shape), global_properties, None)
self.root = [global_shape, global_properties, global_object]
self.this = Value.object(global_object)
self.object = Object(addressof(global_object))
def add(self, left, right):
left = self.toPrimitive(left)
right = self.toPrimitive(right)
ltype = self.type(left)
rtype = self.type(right)
if ltype == ecma_type['string'] or rtype == ecma_type['string']:
left = self.toString(left)
right = self.toString(right)
lstr = left.toObject().toString()
rstr = right.toObject().toString()
return Value.object(new_string(lstr + rstr))
left = self.toNumber(left)
right = self.toNumber(right)
number = self.numberConvert(left) + self.numberConvert(right)
return Value(boxed_number(number).value)
def toString(self, v):
if v.isUndefined():
return Value.object(self.strings['undefined'])
if v.isNull():
return Value.object(self.strings['null'])
if v.isBoolean():
return Value.object(self.strings['true'] if v.toBoolean(
) else self.strings['false'])
if v.isInt():
return Value.object(new_string(str(v.toInt())))
assert v.isObject()
obj = v.toObject()
if obj.isPrimitive():
if obj.isDouble():
return Value.object(new_string(obj.toString()))
else:
return v
raise NotImplementedError('js object to string')
def setupGlobal(self):
self.scope = None
global_shape = Shape(0xf, 'Global', None, "", -1, 0, 0xff, None)
global_properties = (c_int * 0xff)()
global_object = PlainObject(addressof(global_shape), global_properties,
None)
self.root = [global_shape, global_properties, global_object]
self.this = Value.object(global_object)
self.object = Object(addressof(global_object))
def toBoolean(self, v):
if v.isUndefined():
return Value(Value.false)
if v.isNull():
return Value(Value.false)
if v.isBoolean():
return v
if v.isInt():
return Value.boolean(v.toInt())
obj = v.toObject()
if obj.isObject():
return Value(Value.true)
if obj.isString():
return Value.boolean(obj.toString())
assert obj.isDouble()
double = obj.toDouble()
if math.isnan(double):
return Value(Value.false)
return Value.boolean(double)
def toNumber(self, v):
if v.isUndefined():
return Value.object(self.doubles['NaN'])
if v.isNull():
return Value.int(0)
if v.isBoolean():
return Value.int(0 + v.toBoolean())
if v.isInt():
return v
obj = v.toObject()
if obj.isString():
str = obj.toString()
try:
v = int(str)
return Value.int(v)
except:
try:
v = float(str)
return Value.object(new_float(v))
except:
return Value.object(self.doubles['NaN'])
if obj.isDouble():
return v
primitive_value = self.toPrimitive(v, 'number')
return self.toNumber(primitive_value)
def toNumber(self, v):
if v.isUndefined():
return Value.object(self.doubles['NaN'])
if v.isNull():
return Value.int(0)
if v.isBoolean():
return Value.int(0 + v.toBoolean())
if v.isInt():
return v
obj = v.toObject()
if obj.isString():
str = obj.toString()
try:
v = int(str)
return Value.int(v)
except:
try:
v = float(str)
return Value.object(new_float(v))
except:
return Value.object(self.doubles['NaN'])
if obj.isDouble():
return v
primitive_value = self.toPrimitive(v, 'number')
return self.toNumber(primitive_value)
def add(self, left, right):
left = self.toPrimitive(left)
right = self.toPrimitive(right)
ltype = self.type(left)
rtype = self.type(right)
if ltype == ecma_type['string'] or rtype == ecma_type['string']:
left = self.toString(left)
right = self.toString(right)
lstr = left.toObject().toString()
rstr = right.toObject().toString()
return Value.object(new_string(lstr + rstr))
left = self.toNumber(left)
right = self.toNumber(right)
number = self.numberConvert(left) + self.numberConvert(right)
return Value(boxed_number(number).value)
def toBoolean(self, v):
if v.isUndefined():
return Value(Value.false)
if v.isNull():
return Value(Value.false)
if v.isBoolean():
return v
if v.isInt():
return Value.boolean(v.toInt())
obj = v.toObject()
if obj.isObject():
return Value(Value.true)
if obj.isString():
return Value.boolean(obj.toString())
assert obj.isDouble()
double = obj.toDouble()
if math.isnan(double):
return Value(Value.false)
return Value.boolean(double)
def declare_vars(self, vars):
for var in vars:
self.ctx.object.addProperty(var.name, Value(Value.undefined))