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Brent Westbrook 318f503714 [syntax-errors] Named expressions in decorators before Python 3.9 (#16386) 
Summary
--

This PR detects the relaxed grammar for decorators proposed in [PEP
614](https://peps.python.org/pep-0614/) on Python 3.8 and lower.

The 3.8 grammar for decorators is
[here](https://docs.python.org/3.8/reference/compound_stmts.html#grammar-token-decorators):

```
decorators                ::=  decorator+
decorator                 ::=  "@" dotted_name ["(" [argument_list [","]] ")"] NEWLINE
dotted_name               ::=  identifier ("." identifier)*
```

in contrast to the current grammar
[here](https://docs.python.org/3/reference/compound_stmts.html#grammar-token-python-grammar-decorators)

```
decorators                ::= decorator+
decorator                 ::= "@" assignment_expression NEWLINE
assignment_expression ::= [identifier ":="] expression
```

Test Plan
--

New inline parser tests.
2025-03-05 17:08:18 +00:00
..
red_knot
ruff_db: rename Diagnostic to OldDiagnosticTrait
2025-03-05 08:23:02 -05:00
red_knot_project
ruff_db: move ParseDiagnostic to old submodule too
2025-03-05 08:23:02 -05:00
red_knot_python_semantic
ruff_db: rename Diagnostic to OldDiagnosticTrait
2025-03-05 08:23:02 -05:00
red_knot_server
ruff_db: rename Diagnostic to OldDiagnosticTrait
2025-03-05 08:23:02 -05:00
red_knot_test
ruff_db: move ParseDiagnostic to old submodule too
2025-03-05 08:23:02 -05:00
red_knot_vendored
Sync vendored typeshed stubs (#16448)
2025-03-01 08:21:03 +01:00
red_knot_wasm
ruff_db: rename Diagnostic to OldDiagnosticTrait
2025-03-05 08:23:02 -05:00
ruff
Formatter: Fix syntax error location in notebooks (#16499)
2025-03-04 18:00:31 +01:00
ruff_annotate_snippets
Update pre-commit dependencies (#16465)
2025-03-03 13:10:46 +05:30
ruff_benchmark
ruff_db: rename Diagnostic to OldDiagnosticTrait
2025-03-05 08:23:02 -05:00
ruff_cache
…
ruff_db
ruff_db: add new Diagnostic type
2025-03-05 08:23:02 -05:00
ruff_dev
Pass ParserOptions to the parser (#16220)
2025-02-19 10:50:50 -05:00
ruff_diagnostics
…
ruff_formatter
bump MSRV to 1.83 (#16294)
2025-02-26 06:12:43 -08:00
ruff_graph
Pass ParserOptions to the parser (#16220)
2025-02-19 10:50:50 -05:00
ruff_index
[red-knot] Don't use separate ID types for each alist (#16415)
2025-02-28 14:55:55 -05:00
ruff_linter
Document LinterResult::has_syntax_error and add Parsed::has_no_syntax_errors (#16443)
2025-03-04 08:35:38 -05:00
ruff_macros
…
ruff_notebook
bump MSRV to 1.83 (#16294)
2025-02-26 06:12:43 -08:00
ruff_python_ast
Auto generate ast expression nodes (#16285)
2025-03-05 08:25:55 -05:00
ruff_python_ast_integration_tests
Pass ParserOptions to the parser (#16220)
2025-02-19 10:50:50 -05:00
ruff_python_codegen
Pass ParserOptions to the parser (#16220)
2025-02-19 10:50:50 -05:00
ruff_python_formatter
bump MSRV to 1.83 (#16294)
2025-02-26 06:12:43 -08:00
ruff_python_index
…
ruff_python_literal
…
ruff_python_parser
[syntax-errors] Named expressions in decorators before Python 3.9 (#16386)
2025-03-05 17:08:18 +00:00
ruff_python_resolver
bump MSRV to 1.83 (#16294)
2025-02-26 06:12:43 -08:00
ruff_python_semantic
bump MSRV to 1.83 (#16294)
2025-02-26 06:12:43 -08:00
ruff_python_stdlib
…
ruff_python_trivia
[red-knot] Ignore surrounding whitespace when looking for <!-- snapshot-diagnostics --> directives in mdtests (#16380)
2025-02-27 13:25:31 +00:00
ruff_python_trivia_integration_tests
Pass ParserOptions to the parser (#16220)
2025-02-19 10:50:50 -05:00
ruff_server
Escape template filenames in glob patterns (#16407)
2025-03-03 09:29:58 -05:00
ruff_source_file
…
ruff_text_size
…
ruff_wasm
Bump version to Ruff 0.9.9 (#16434)
2025-02-28 10:17:38 +01:00
ruff_workspace
Escape template filenames in glob patterns (#16407)
2025-03-03 09:29:58 -05:00