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GH-123391: Code generators: Track stack and locals in if statements. #123397

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markshannon wants to merge 16 commits into from
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GH-123391: Code generators: Track stack and locals in if statements. #123397

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75bda28
Add copy and == support to Stack class
markshannon Aug 7, 2024
c7e9102
Merge branch 'main' into stack-copy-and-merge
markshannon Aug 8, 2024
d331371
blacken stack.py
markshannon Aug 8, 2024
4673d8a
Cases generator: Track reachability and divergent stacks in if statem…
markshannon Aug 8, 2024
132df06
Fix type errors and rename ahead to look_ahead
markshannon Aug 9, 2024
b7f71d4
Track state of output variables
markshannon Aug 9, 2024
b97dea9
Handle stack and output locals togather as Storage class
markshannon Aug 9, 2024
9838a05
Track locals as well as stack on differing paths
markshannon Aug 9, 2024
1f829be
Use 'PEP 7' in syntax error, to make it clear that this is not a C sy…
markshannon Aug 27, 2024
d2e5f12
Push peeks back to stack in optimizer code gen
markshannon Aug 27, 2024
2753014
Merge branch 'main' into stack-copy-and-merge
markshannon Aug 27, 2024
1754fc4
Update test
markshannon Aug 27, 2024
98f9720
Cleanup whitespace
markshannon Aug 27, 2024
0284b3f
Add tests for PEP 7 parsing and escaping call in condition
markshannon Aug 27, 2024
03bea71
Remove merge artifact
markshannon Aug 27, 2024
ca2f457
Remove test for escaping calls in conditions
markshannon Aug 27, 2024
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Add tests for PEP 7 parsing and escaping call in condition
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@markshannon
markshannon committed Aug 27, 2024
commit 0284b3fc9cf6eb3de38d548f67ec7c87dcbb15f8
32 changes: 32 additions & 0 deletions Lib/test/test_generated_cases.py
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Expand Up @@ -327,6 +327,38 @@ def test_sync_sp(self):
"""
self.run_cases_test(input, output)


def test_pep7_condition(self):

@picnixz picnixz Aug 27, 2024

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Maybe test the else branch as well?

input = """
inst(OP, (arg1 -- out)) {
if (arg1)
out = 0;
else {
out = 1;
}
}
"""
output = ""
with self.assertRaises(Exception):
self.run_cases_test(input, output)


def test_escapes_in_condition(self):
input = """
inst(OP, (arg1 -- out)) {
if (escaping_call(arg1)) {
out = 0;
}
else {
out = 1;
}
}
"""
output = ""
with self.assertRaises(Exception):
self.run_cases_test(input, output)


def test_error_if_plain(self):
input = """
inst(OP, (--)) {
Expand Down