def f(n):
lst = ['a', 'b', 'c']
lst = rgc.resizable_list_supporting_raw_ptr(lst)
lst.append(chr(n))
assert lst[3] == chr(n)
assert lst[-1] == chr(n)
#
ptr = rgc.nonmoving_raw_ptr_for_resizable_list(lst)
assert lst[:] == ['a', 'b', 'c', chr(n)]
assert lltype.typeOf(ptr) == rffi.CCHARP
assert [ptr[i] for i in range(4)] == ['a', 'b', 'c', chr(n)]
#
lst[-3] = 'X'
assert ptr[1] == 'X'
ptr[2] = 'Y'
assert lst[-2] == 'Y'
#
addr = rffi.cast(lltype.Signed, ptr)
ptr = rffi.cast(rffi.CCHARP, addr)
rgc.collect() # should not move lst.items
lst[-4] = 'g'
assert ptr[0] == 'g'
ptr[3] = 'H'
assert lst[-1] == 'H'
return lst
def f(n):
lst = ['a', 'b', 'c', 'd', 'e']
lst = rgc.resizable_list_supporting_raw_ptr(lst)
lst = lst[:3]
lst.append(chr(n))
assert lst[3] == chr(n)
assert lst[-1] == chr(n)
#
ptr = rgc.nonmoving_raw_ptr_for_resizable_list(lst)
assert lst[:] == ['a', 'b', 'c', chr(n)]
assert lltype.typeOf(ptr) == rffi.CCHARP
assert [ptr[i] for i in range(4)] == ['a', 'b', 'c', chr(n)]
return lst
def get_raw_address(self):
ba = self.ba
p = nonmoving_raw_ptr_for_resizable_list(ba._data)
p = rffi.ptradd(p, ba._offset)
return p
def get_raw_address(self):
return nonmoving_raw_ptr_for_resizable_list(self.data)
def get_raw_address(self):
ptr = nonmoving_raw_ptr_for_resizable_list(self.buf)
return rffi.ptradd(ptr, self.start)
def get_raw_address(self):
return nonmoving_raw_ptr_for_resizable_list(self.data)
