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bpo-47120: make POP_JUMP_IF_TRUE/FALSE/NONE/NOT_NONE relative (GH-32400)

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Irit Katriel 2022-04-11 10:40:24 +01:00 • committed by GitHub
parent 98ff4a6877
commit dd207a6ac5
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14 changed files with 357 additions and 135 deletions
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14
Objects/frameobject.c
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@ -206,11 +206,21 @@ mark_stacks(PyCodeObject *code_obj, int len)
switch (opcode) {
case JUMP_IF_FALSE_OR_POP:
case JUMP_IF_TRUE_OR_POP:
case POP_JUMP_IF_FALSE:
case POP_JUMP_IF_TRUE:
case POP_JUMP_FORWARD_IF_FALSE:
case POP_JUMP_BACKWARD_IF_FALSE:
case POP_JUMP_FORWARD_IF_TRUE:
case POP_JUMP_BACKWARD_IF_TRUE:
{
int64_t target_stack;
int j = get_arg(code, i);
if (opcode == POP_JUMP_FORWARD_IF_FALSE ||
opcode == POP_JUMP_FORWARD_IF_TRUE) {
j += i + 1;
}
else if (opcode == POP_JUMP_BACKWARD_IF_FALSE ||
opcode == POP_JUMP_BACKWARD_IF_TRUE) {
j = i + 1 - j;
}
assert(j < len);
if (stacks[j] == UNINITIALIZED && j < i) {
todo = 1;