def _wrap_handle(space, handle):
"""Helper function to wrap a handle into an appropriate app-level object.
This function does some basic type dispatching to return a wrapped instance
of the appropriate W_Value subclass for the given handle.
"""
if handle == support.EMJS_ERROR:
_raise_error(space)
if handle == support.EMJS_UNDEFINED:
return space.wrap(undefined)
if handle == support.EMJS_NULL:
return space.wrap(null)
if handle == support.EMJS_FALSE:
return space.wrap(false)
if handle == support.EMJS_TRUE:
return space.wrap(true)
typ = support.emjs_typeof(handle)
if typ == support.EMJS_TYPE_ERROR:
_raise_error(space)
if typ == support.EMJS_TYPE_NUMBER:
return space.wrap(W_Number(handle))
if typ == support.EMJS_TYPE_STRING:
return space.wrap(W_String(handle))
if typ == support.EMJS_TYPE_FUNCTION:
return space.wrap(W_Function(handle))
assert typ == support.EMJS_TYPE_OBJECT
h_array = getstate(space).h_array
if support.emjs_op_instanceof(handle, h_array):
return space.wrap(W_Array(handle))
return space.wrap(W_Object(handle))
def _wrap_handle(space, handle):
"""Helper function to wrap a handle into an appropriate app-level object.
This function does some basic type dispatching to return a wrapped instance
of the appropriate W_Value subclass for the given handle.
"""
if handle == support.EMJS_ERROR:
_raise_error(space)
if handle == support.EMJS_UNDEFINED:
return space.wrap(undefined)
if handle == support.EMJS_NULL:
return space.wrap(null)
if handle == support.EMJS_FALSE:
return space.wrap(false)
if handle == support.EMJS_TRUE:
return space.wrap(true)
typ = support.emjs_typeof(handle)
if typ == support.EMJS_TYPE_ERROR:
_raise_error(space)
if typ == support.EMJS_TYPE_NUMBER:
return space.wrap(W_Number(handle))
if typ == support.EMJS_TYPE_STRING:
return space.wrap(W_String(handle))
if typ == support.EMJS_TYPE_FUNCTION:
return space.wrap(W_Function(handle))
assert typ == support.EMJS_TYPE_OBJECT
h_array = getstate(space).h_array
if support.emjs_op_instanceof(handle, h_array):
return space.wrap(W_Array(handle))
return space.wrap(W_Object(handle))
def instanceof(space, w_lhs, w_rhs):
with _unwrap_handle(space, w_lhs) as h_lhs:
with _unwrap_handle(space, w_rhs) as h_rhs:
res = support.emjs_op_instanceof(h_lhs, h_rhs)
_check_error(space, res)
return space.newbool(bool(res))
def instanceof(space, w_lhs, w_rhs):
with _unwrap_handle(space, w_lhs) as h_lhs:
with _unwrap_handle(space, w_rhs) as h_rhs:
res = support.emjs_op_instanceof(h_lhs, h_rhs)
_check_error(space, res)
return space.newbool(bool(res))
