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GH-123391: Code generators: Track stack and locals in `if` statements. by markshannon · Pull Request #123397 · python/cpython · GitHub
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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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Merge branch 'main' into stack-copy-and-merge
  • Loading branch information
@markshannon
markshannon committed Aug 8, 2024
commit c7e9102d71a0b6c12634d671bd4f84b90692508f
3 changes: 2 additions & 1 deletion Tools/cases_generator/stack.py
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Original file line number Diff line number Diff line change
Expand Up @@ -75,7 +75,7 @@ def condition(self) -> str | None:
def is_array(self) -> bool:
return self.item.is_array()

def copy(self) -> Local:

return Local(self.item, self.cached, self.in_memory, self.defined)

def __eq__(self, other: object) -> bool:
Expand All @@ -88,6 +88,7 @@ def __eq__(self, other: object) -> bool:
self.defined is other.defined
)


@dataclass
class StackOffset:
"The stack offset of the virtual base of the stack from the physical stack pointer"
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