[syntax-errors] Make duplicate parameter names a semantic error #17131
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Summary -- Moves `Parser::validate_parameters` to `SemanticSyntaxChecker::duplicate_parameter_name`. Test Plan -- Existing tests, with `## Errors` replaced with `## Semantic Syntax Errors` and an additional case for `lambda` expressions.
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dhruvmanila
approved these changes
Apr 23, 2025
2 tasks
MichaReiser
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Apr 23, 2025
dcreager
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Apr 24, 2025
* main: [red-knot] fix collapsing literal and its negation to object (#17605) [red-knot] Add more tests for protocols (#17603) [red-knot] Ban direct instantiations of `Protocol` classes (#17597) [`pyupgrade`] Preserve parenthesis when fixing native literals containing newlines (`UP018`) (#17220) [`airflow`] fix typos (`AIR302`, `AIR312`) (#17574) [red-knot] Special case `@abstractmethod` for function type (#17591) [red-knot] Emit diagnostics for isinstance() and issubclass() calls where a non-runtime-checkable protocol is the second argument (#17561) [red-knot] Infer the members of a protocol class (#17556) [red-knot] Add `FunctionType::to_overloaded` (#17585) [red-knot] Add mdtests for `global` statement (#17563) [syntax-errors] Make duplicate parameter names a semantic error (#17131)
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Status
This is a pretty minor change, but it was breaking a red-knot mdtest until #17463 landed. Now this should close #11934 as the last syntax error being tracked there!
Summary
Moves
Parser::validate_parameterstoSemanticSyntaxChecker::duplicate_parameter_name.Test Plan
Existing tests, with
## Errorsreplaced with## Semantic Syntax Errors.