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Added support for POP_JUMP_FORWARD_IF_NONE #475

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Added support for POP_JUMP_FORWARD_IF_NONE #475

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16 changes: 16 additions & 0 deletions ASTree.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1053,9 +1053,21 @@ PycRef<ASTNode> BuildFromCode(PycRef<PycCode> code, PycModule* mod)
case Pyc::POP_JUMP_IF_TRUE_A:
case Pyc::POP_JUMP_FORWARD_IF_FALSE_A:
case Pyc::POP_JUMP_FORWARD_IF_TRUE_A:
case Pyc::POP_JUMP_FORWARD_IF_NONE_A:
case Pyc::POP_JUMP_FORWARD_IF_NOT_NONE_A:
case Pyc::INSTRUMENTED_POP_JUMP_IF_FALSE_A:
case Pyc::INSTRUMENTED_POP_JUMP_IF_TRUE_A:
{
// if POP_JUMP_FORWARD_IF_NONE_A or ...NOT_NONE -
// then first push to the stack the ASTCompare to simulate like a IS_OP with a None were existed before this opcode
if (opcode == Pyc::POP_JUMP_FORWARD_IF_NONE_A
|| opcode == Pyc::POP_JUMP_FORWARD_IF_NOT_NONE_A) {
PycRef<ASTNode> left = stack.top();
stack.pop();
stack.push(new ASTCompare(left, nullptr, (opcode == Pyc::POP_JUMP_FORWARD_IF_NOT_NONE_A
? ASTCompare::CMP_IS : ASTCompare::CMP_IS_NOT)));
}

PycRef<ASTNode> cond = stack.top();
PycRef<ASTCondBlock> ifblk;
int popped = ASTCondBlock::UNINITED;
Expand All @@ -1064,6 +1076,8 @@ PycRef<ASTNode> BuildFromCode(PycRef<PycCode> code, PycModule* mod)
|| opcode == Pyc::POP_JUMP_IF_TRUE_A
|| opcode == Pyc::POP_JUMP_FORWARD_IF_FALSE_A
|| opcode == Pyc::POP_JUMP_FORWARD_IF_TRUE_A
|| opcode == Pyc::POP_JUMP_FORWARD_IF_NONE_A
|| opcode == Pyc::POP_JUMP_FORWARD_IF_NOT_NONE_A
|| opcode == Pyc::INSTRUMENTED_POP_JUMP_IF_FALSE_A
|| opcode == Pyc::INSTRUMENTED_POP_JUMP_IF_TRUE_A) {
/* Pop condition before the jump */
Expand Down Expand Up @@ -1094,6 +1108,8 @@ PycRef<ASTNode> BuildFromCode(PycRef<PycCode> code, PycModule* mod)
if (mod->verCompare(3, 12) >= 0
|| opcode == Pyc::JUMP_IF_FALSE_A
|| opcode == Pyc::JUMP_IF_TRUE_A
|| opcode == Pyc::POP_JUMP_FORWARD_IF_NONE_A
|| opcode == Pyc::POP_JUMP_FORWARD_IF_NOT_NONE_A
|| opcode == Pyc::POP_JUMP_FORWARD_IF_TRUE_A
|| opcode == Pyc::POP_JUMP_FORWARD_IF_FALSE_A) {
/* Offset is relative in these cases */
Expand Down
Binary file added tests/compiled/test_pop_jump_forward_if_none&not_none.3.11.pyc
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7 changes: 7 additions & 0 deletions tests/input/test_pop_jump_forward_if_none&not_none.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
def func():
a = 1
if a is None:
print('a is None')
if a is not None:
print('a is not None')
return None
11 changes: 11 additions & 0 deletions tests/tokenized/test_pop_jump_forward_if_none&not_none.txt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
def func ( ) : <EOL>
<INDENT>
a = 1 <EOL>
if a is None : <EOL>
<INDENT>
print ( 'a is None' ) <EOL>
<OUTDENT>
if a is not None : <EOL>
<INDENT>
print ( 'a is not None' ) <EOL>
return None <EOL>
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