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Charlie Marsh 1044d66c1c
Add support for PatternMatchMapping formatting (#6836) 
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## Summary

Adds support for `PatternMatchMapping` -- i.e., cases like:

```python
match foo:
    case {"a": 1, "b": 2, **rest}:
        pass
```

Unfortunately, this node has _three_ kinds of dangling comments:

```python
{  # "open parenthesis comment"
   key: pattern,
   **  # end-of-line "double star comment"
   # own-line "double star comment"
   rest  # end-of-line "after rest comment"
   # own-line "after rest comment"
}
```

Some of the complexity comes from the fact that in `**rest`, `rest` is
an _identifier_, not a node, so we have to handle comments _after_ it as
dangling on the enclosing node, rather than trailing on `**rest`. (We
could change the AST to use `PatternMatchAs` there, which would be more
permissive than the grammar but not totally crazy -- `PatternMatchAs` is
used elsewhere to mean "a single identifier".)

Closes https://github.com/astral-sh/ruff/issues/6644.

## Test Plan

`cargo test`
2023-08-25 04:33:34 +00:00
..
black_compatibility@conditional_expression.py.snap Format expr generator exp (#5804) 2023-07-19 13:01:58 +02:00
black_compatibility@miscellaneous__blackd_diff.py.snap Update Black tests (#5438) 2023-06-30 06:32:50 +00:00
black_compatibility@miscellaneous__debug_visitor.py.snap format ExprJoinedStr (#5932) 2023-08-01 08:26:30 +02:00
black_compatibility@miscellaneous__decorators.py.snap Format ExpressionStarred nodes (#5654) 2023-07-11 06:08:08 +00:00
black_compatibility@miscellaneous__docstring_no_string_normalization.py.snap Format docstrings (#6452) 2023-08-14 12:28:58 +00:00
black_compatibility@miscellaneous__docstring_preview_no_string_normalization.py.snap format ExprJoinedStr (#5932) 2023-08-01 08:26:30 +02:00
black_compatibility@miscellaneous__force_pyi.py.snap Format target: annotation = value? expressions (#5661) 2023-07-11 16:40:28 +02:00
black_compatibility@miscellaneous__long_strings_flag_disabled.py.snap Maybe parenthesize long constants and names (#6816) 2023-08-24 09:47:57 +00:00
black_compatibility@miscellaneous__power_op_newline.py.snap Update Black tests (#5438) 2023-06-30 06:32:50 +00:00
black_compatibility@miscellaneous__string_quotes.py.snap format ExprJoinedStr (#5932) 2023-08-01 08:26:30 +02:00
black_compatibility@py_38__pep_572_remove_parens.py.snap Update Black tests (#6618) 2023-08-16 15:05:51 +00:00
black_compatibility@py_39__python39.py.snap Remove parentheses around some walrus operators (#6173) 2023-07-29 10:06:26 -04:00
black_compatibility@py_310__pattern_matching_complex.py.snap Add support for PatternMatchMapping formatting (#6836) 2023-08-25 04:33:34 +00:00
black_compatibility@py_310__pattern_matching_extras.py.snap Add support for PatternMatchMapping formatting (#6836) 2023-08-25 04:33:34 +00:00
black_compatibility@py_310__pattern_matching_generic.py.snap Implement FormatPatternMatchValue (#6799) 2023-08-23 14:01:14 +00:00
black_compatibility@py_310__pattern_matching_simple.py.snap Handle pattern parentheses in FormatPattern (#6800) 2023-08-25 03:45:49 +00:00
black_compatibility@py_310__pattern_matching_style.py.snap Format PatternMatchAs (#6652) 2023-08-22 23:58:15 +00:00
black_compatibility@py_310__pep_572_py310.py.snap Format expr generator exp (#5804) 2023-07-19 13:01:58 +02:00
black_compatibility@simple_cases__attribute_access_on_number_literals.py.snap Format numeric constants (#5972) 2023-07-24 07:04:40 +00:00
black_compatibility@simple_cases__comment_after_escaped_newline.py.snap Update Black tests (#5438) 2023-06-30 06:32:50 +00:00
black_compatibility@simple_cases__comments2.py.snap Add trailing comma for single-element import-from groups (#6583) 2023-08-15 07:15:33 -04:00
black_compatibility@simple_cases__comments6.py.snap Add general support for parenthesized comments on expressions (#6485) 2023-08-15 18:59:18 +00:00
black_compatibility@simple_cases__comments9.py.snap Remove newline-insertion logic from JoinNodesBuilder (#6205) 2023-07-31 16:58:15 -04:00
black_compatibility@simple_cases__composition.py.snap Mark trailing comments in parenthesized tests (#6287) 2023-08-03 20:45:03 +00:00
black_compatibility@simple_cases__composition_no_trailing_comma.py.snap Mark trailing comments in parenthesized tests (#6287) 2023-08-03 20:45:03 +00:00
black_compatibility@simple_cases__docstring_preview.py.snap Format docstrings (#6452) 2023-08-14 12:28:58 +00:00
black_compatibility@simple_cases__empty_lines.py.snap format ExprJoinedStr (#5932) 2023-08-01 08:26:30 +02:00
black_compatibility@simple_cases__expression.py.snap Call chain formatting in fluent style (#6151) 2023-08-04 13:58:01 +00:00
black_compatibility@simple_cases__fmtonoff.py.snap Support fmt: skip for simple-statements and decorators (#6561) 2023-08-17 05:58:19 +00:00
black_compatibility@simple_cases__fmtonoff4.py.snap fmt: off..on suppression comments (#6477) 2023-08-14 15:57:36 +00:00
black_compatibility@simple_cases__fmtonoff5.py.snap fmt: off..on suppression comments (#6477) 2023-08-14 15:57:36 +00:00
black_compatibility@simple_cases__fmtskip5.py.snap Improve comprehension line break beheavior 2023-07-11 16:51:24 +02:00
black_compatibility@simple_cases__function.py.snap Call chain formatting in fluent style (#6151) 2023-08-04 13:58:01 +00:00
black_compatibility@simple_cases__function2.py.snap Add empty lines before nested functions and classes (#6206) 2023-08-01 15:30:59 +00:00
black_compatibility@simple_cases__ignore_pyi.py.snap Rewrite placement logic (#6040) 2023-07-26 16:21:23 +00:00
black_compatibility@simple_cases__multiline_consecutive_open_parentheses_ignore.py.snap Add general support for parenthesized comments on expressions (#6485) 2023-08-15 18:59:18 +00:00
black_compatibility@simple_cases__remove_await_parens.py.snap Add general support for parenthesized comments on expressions (#6485) 2023-08-15 18:59:18 +00:00
black_compatibility@simple_cases__remove_except_parens.py.snap Format raise statement (#5595) 2023-07-10 21:23:49 +02:00
black_compatibility@simple_cases__remove_for_brackets.py.snap Format lambda expression (#5806) 2023-07-19 11:47:56 +00:00
black_compatibility@simple_cases__return_annotation_brackets.py.snap Add general support for parenthesized comments on expressions (#6485) 2023-08-15 18:59:18 +00:00
black_compatibility@simple_cases__torture.py.snap Expand parents whenever open-parenthesis comments are present (#6389) 2023-08-08 08:45:20 -04:00
black_compatibility@simple_cases__trailing_comma_optional_parens3.py.snap Prefer expanding parenthesized expressions before operands 2023-07-11 14:07:39 +02:00
black_compatibility@simple_cases__trailing_commas_in_leading_parts.py.snap Use BestFits for non-fluent attribute chains (#6817) 2023-08-24 14:09:25 +02:00
black_compatibility@simple_cases__tupleassign.py.snap Format bytes string (#6166) 2023-07-31 10:46:40 +02:00
black_compatibility@simple_cases__whitespace.py.snap Update Black tests (#5438) 2023-06-30 06:32:50 +00:00
format@carriage_return__string.py.snap Normalize '\r' in string literals to '\n' 2023-06-30 10:13:23 +02:00
format@docstring.py.snap Format docstrings (#6452) 2023-08-14 12:28:58 +00:00
format@expression__annotated_assign.py.snap Format target: annotation = value? expressions (#5661) 2023-07-11 16:40:28 +02:00
format@expression__attribute.py.snap Format all attribute dot comments manually (#6825) 2023-08-25 03:50:56 +00:00
format@expression__binary.py.snap Fix zulip unstable formatting with end-of-line comments (#6386) 2023-08-08 09:15:35 +00:00
format@expression__binary_implicit_string.py.snap Fix formatting of chained boolean operations (#6394) 2023-08-07 12:22:33 -05:00
format@expression__boolean_operation.py.snap Fix formatting of chained boolean operations (#6394) 2023-08-07 12:22:33 -05:00
format@expression__bytes.py.snap Format bytes string (#6166) 2023-07-31 10:46:40 +02:00
format@expression__call.py.snap Respect own-line leading comments before parenthesized nodes (#6820) 2023-08-25 00:18:05 -04:00
format@expression__compare.py.snap Avoid omitting optional parentheses for argument-less parentheses (#6484) 2023-08-11 17:58:42 +00:00
format@expression__dict.py.snap Fix zulip unstable formatting with end-of-line comments (#6386) 2023-08-08 09:15:35 +00:00
format@expression__dict_comp.py.snap Expand parents whenever open-parenthesis comments are present (#6389) 2023-08-08 08:45:20 -04:00
format@expression__fstring.py.snap move comments from expressions in f-strings out (#6481) 2023-08-11 09:22:30 +02:00
format@expression__generator_exp.py.snap Add general support for parenthesized comments on expressions (#6485) 2023-08-15 18:59:18 +00:00
format@expression__if.py.snap Fix find_only_token_in_range with expression parentheses (#5645) 2023-07-10 15:55:19 +02:00
format@expression__lambda.py.snap Make Parameters an optional field on ExprLambda (#6669) 2023-08-18 15:34:54 +00:00
format@expression__list.py.snap Respect own-line leading comments before parenthesized nodes (#6820) 2023-08-25 00:18:05 -04:00
format@expression__list_comp.py.snap Tweak breaking groups for comprehensions (#6321) 2023-08-04 14:00:54 +00:00
format@expression__named_expr.py.snap Parenthesize NamedExpr if target breaks (#6714) 2023-08-21 16:29:26 +02:00
format@expression__set_comp.py.snap Avoid line break before for in comprehension if outer expression expands (#5912) 2023-07-20 10:07:22 +00:00
format@expression__slice.py.snap Improve slice formatting (#5922) 2023-07-20 15:05:18 +00:00
format@expression__split_empty_brackets.py.snap Avoid omitting optional parentheses for argument-less parentheses (#6484) 2023-08-11 17:58:42 +00:00
format@expression__starred.py.snap Fix comment formatting for yielded tuples (#6603) 2023-08-16 13:41:07 +00:00
format@expression__string.py.snap Fix parenthesizing of implicit strings (#6852) 2023-08-24 12:31:02 +00:00
format@expression__tuple.py.snap Fix parenthesized detection for tuples (#6599) 2023-08-16 13:20:48 +00:00
format@expression__unary.py.snap Maybe parenthesize long constants and names (#6816) 2023-08-24 09:47:57 +00:00
format@expression__unsplittable.py.snap Use BestFits for non-fluent attribute chains (#6817) 2023-08-24 14:09:25 +02:00
format@expression__yield.py.snap Use BestFits for non-fluent attribute chains (#6817) 2023-08-24 14:09:25 +02:00
format@expression__yield_from.py.snap Format ExprYield/ExprYieldFrom (#5921) 2023-07-21 12:07:51 +00:00
format@fmt_on_off__comments.py.snap Indent statements in suppressed ranges (#6507) 2023-08-15 08:00:35 +02:00
format@fmt_on_off__empty_file.py.snap fmt: off..on suppression comments (#6477) 2023-08-14 15:57:36 +00:00
format@fmt_on_off__fmt_off_docstring.py.snap Indent statements in suppressed ranges (#6507) 2023-08-15 08:00:35 +02:00
format@fmt_on_off__form_feed.py.snap fmt: off..on suppression comments (#6477) 2023-08-14 15:57:36 +00:00
format@fmt_on_off__indent.py.snap Indent statements in suppressed ranges (#6507) 2023-08-15 08:00:35 +02:00
format@fmt_on_off__last_statement.py.snap fmt: off..on suppression comments (#6477) 2023-08-14 15:57:36 +00:00
format@fmt_on_off__mixed_space_and_tab.py.snap Indent statements in suppressed ranges (#6507) 2023-08-15 08:00:35 +02:00
format@fmt_on_off__no_fmt_on.py.snap fmt: off..on suppression comments (#6477) 2023-08-14 15:57:36 +00:00
format@fmt_on_off__off_on_off_on.py.snap fmt: off..on suppression comments (#6477) 2023-08-14 15:57:36 +00:00
format@fmt_on_off__simple.py.snap fmt: off..on suppression comments (#6477) 2023-08-14 15:57:36 +00:00
format@fmt_on_off__trailing_comments.py.snap fmt: off..on suppression comments (#6477) 2023-08-14 15:57:36 +00:00
format@fmt_on_off__yapf.py.snap fmt: off..on suppression comments (#6477) 2023-08-14 15:57:36 +00:00
format@fmt_skip__decorators.py.snap Support fmt: skip for simple-statements and decorators (#6561) 2023-08-17 05:58:19 +00:00
format@fmt_skip__docstrings.py.snap Support fmt: skip for simple-statements and decorators (#6561) 2023-08-17 05:58:19 +00:00
format@fmt_skip__match.py.snap Implement FormatPatternMatchValue (#6799) 2023-08-23 14:01:14 +00:00
format@fmt_skip__or_else.py.snap Support fmt: skip on compound statements (#6593) 2023-08-17 06:05:41 +00:00
format@fmt_skip__parentheses.py.snap Support fmt: skip on compound statements (#6593) 2023-08-17 06:05:41 +00:00
format@fmt_skip__type_params.py.snap Fix fmt:skip for function with return type (#6733) 2023-08-21 17:45:23 +02:00
format@parentheses__call_chains.py.snap Avoid breaking call chains unnecessarily (#6488) 2023-08-11 13:33:15 +00:00
format@parentheses__nested.py.snap Add general support for parenthesized comments on expressions (#6485) 2023-08-15 18:59:18 +00:00
format@parentheses__opening_parentheses_comment_empty.py.snap Format PatternMatchSequence (#6676) 2023-08-23 00:44:33 +00:00
format@parentheses__opening_parentheses_comment_value.py.snap Handle open-parenthesis comments on match case (#6798) 2023-08-23 00:40:18 -04:00
format@skip_magic_trailing_comma.py.snap Improve with statement comment handling and expression breaking (#6621) 2023-08-18 03:30:38 +00:00
format@statement__ann_assign.py.snap Fix StmtAnnAssign formatting by mirroring StmtAssign (#5732) 2023-07-13 10:51:25 +00:00
format@statement__assert.py.snap Add general support for parenthesized comments on expressions (#6485) 2023-08-15 18:59:18 +00:00
format@statement__assign.py.snap Add general support for parenthesized comments on expressions (#6485) 2023-08-15 18:59:18 +00:00
format@statement__aug_assign.py.snap Fix StmtAnnAssign formatting by mirroring StmtAssign (#5732) 2023-07-13 10:51:25 +00:00
format@statement__break.py.snap Add tests for skip magic trailing comma 2023-06-26 14:15:55 +02:00
format@statement__class_definition.py.snap Add formatting of type parameters in class and function definitions (#6161) 2023-08-02 20:29:28 +00:00
format@statement__delete.py.snap Fix zulip unstable formatting with end-of-line comments (#6386) 2023-08-08 09:15:35 +00:00
format@statement__ellipsis.pyi.snap Implement FormatPatternMatchValue (#6799) 2023-08-23 14:01:14 +00:00
format@statement__for.py.snap Omit tuple parentheses in for statements except when absolutely necessary (#6765) 2023-08-22 12:18:59 +02:00
format@statement__function.py.snap Add test case for walrus operators in return types (#6438) 2023-08-11 18:28:48 +00:00
format@statement__global.py.snap Break global and nonlocal statements over continuation lines (#6172) 2023-08-02 19:55:00 +00:00
format@statement__if.py.snap Fix formatter instability with half-indented comment (#6460) 2023-08-11 11:21:16 +00:00
format@statement__import.py.snap Allow up to two empty lines after top-level imports (#6777) 2023-08-22 12:27:40 -04:00
format@statement__import_from.py.snap Add trailing comma for single-element import-from groups (#6583) 2023-08-15 07:15:33 -04:00
format@statement__match.py.snap Add support for PatternMatchMapping formatting (#6836) 2023-08-25 04:33:34 +00:00
format@statement__nonlocal.py.snap Break global and nonlocal statements over continuation lines (#6172) 2023-08-02 19:55:00 +00:00
format@statement__raise.py.snap Add general support for parenthesized comments on expressions (#6485) 2023-08-15 18:59:18 +00:00
format@statement__return_annotation.py.snap Add general support for parenthesized comments on expressions (#6485) 2023-08-15 18:59:18 +00:00
format@statement__top_level.py.snap Use one line between top-level items if formatting a stub file (#6501) 2023-08-15 09:33:57 +02:00
format@statement__top_level.pyi.snap Format function and class definitions into a single line if its body is an ellipsis (#6592) 2023-08-21 09:02:23 +02:00
format@statement__try.py.snap Preserve empty lines between try clause headers (#6759) 2023-08-22 11:50:28 +02:00
format@statement__type_alias.py.snap Add formatting of type alias statements (#6162) 2023-08-02 20:40:32 +00:00
format@statement__while.py.snap Pass parent to NeedsParentheses (#5708) 2023-07-13 08:57:29 +02:00
format@statement__with.py.snap Improve with statement comment handling and expression breaking (#6621) 2023-08-18 03:30:38 +00:00
format@trivia.py.snap Add tests for skip magic trailing comma 2023-06-26 14:15:55 +02:00