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* gh-109341: Fix crash on compiling invalid AST including TypeAlias (#109349)Jelle Zijlstra2023-09-131-0/+5
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* gh-109351: Fix crash when compiling AST with invalid NamedExpr (#109352)Jelle Zijlstra2023-09-131-0/+5
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* GH-91079: Rename C_RECURSION_LIMIT to Py_C_RECURSION_LIMIT (#108507)Victor Stinner2023-09-081-2/+2
| | | | | | | Symbols of the C API should be prefixed by "Py_" to avoid conflict with existing names in 3rd party C extensions on "#include <Python.h>". test.pythoninfo now logs Py_C_RECURSION_LIMIT constant and other _testcapi and _testinternalcapi constants.
* GH-107263: Increase C stack limit for most functions, except ↵Mark Shannon2023-08-041-1/+1
| | | | | | `_PyEval_EvalFrameDefault()` (GH-107535) * Set C recursion limit to 1500, set cost of eval loop to 2 frames, and compiler mutliply to 2.
* gh-104656: Rename typeparams AST node to type_params (#104657)Jelle Zijlstra2023-05-221-9/+9
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* gh-103763: Implement PEP 695 (#103764)Jelle Zijlstra2023-05-161-0/+45
| | | | | | | | | | | | | | This implements PEP 695, Type Parameter Syntax. It adds support for: - Generic functions (def func[T](): ...) - Generic classes (class X[T](): ...) - Type aliases (type X = ...) - New scoping when the new syntax is used within a class body - Compiler and interpreter changes to support the new syntax and scoping rules Co-authored-by: Marc Mueller <30130371+cdce8p@users.noreply.github.com> Co-authored-by: Eric Traut <eric@traut.com> Co-authored-by: Larry Hastings <larry@hastings.org> Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
* gh-104482: Fix error handling bugs in ast.c (#104483)Irit Katriel2023-05-151-19/+37
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* GH-91079: Decouple C stack overflow checks from Python recursion checks. ↵Mark Shannon2022-10-051-6/+3
| | | | (GH-96510)
* gh-92597: Improve error message for AST nodes with invalid ranges (GH-93398)Pablo Galindo Salgado2022-06-011-3/+3
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* gh-93351: Ensure the position information in AST nodes created by the parser ↵Pablo Galindo Salgado2022-05-301-0/+26
| | | | is always consistent (GH-93352)
* bpo-45292: [PEP-654] add except* (GH-29581)Irit Katriel2021-12-141-0/+25
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* bpo-45753: Make recursion checks more efficient. (GH-29524)Mark Shannon2021-11-161-2/+3
| | | | * Uses recursion remaining, instead of recursion depth to speed up check against recursion limit.
* bpo-43897: Reject "_" captures and top-level MatchStar in the AST validator ↵Brandt Bucher2021-07-291-20/+28
| | | | (GH-27432)
* bpo-43897: AST validation for pattern matching nodes (GH24771)Batuhan Taskaya2021-07-281-31/+123
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* bpo-43892: Make match patterns explicit in the AST (GH-25585)Nick Coghlan2021-04-291-23/+215
| | | Co-authored-by: Brandt Bucher <brandtbucher@gmail.com>
* bpo-42609: Check recursion depth in the AST validator and optimizer (GH-23744)Serhiy Storchaka2021-04-251-142/+249
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* bpo-43244: Remove ast.h, asdl.h, Python-ast.h headers (GH-24933)Victor Stinner2021-03-231-2/+1
| | | | | | | | | | | | | | | | These functions were undocumented and excluded from the limited C API. Most names defined by these header files were not prefixed by "Py" and so could create names conflicts. For example, Python-ast.h defined a "Yield" macro which was conflict with the "Yield" name used by the Windows <winbase.h> header. Use the Python ast module instead. * Move Include/asdl.h to Include/internal/pycore_asdl.h. * Move Include/Python-ast.h to Include/internal/pycore_ast.h. * Remove ast.h header file. * pycore_symtable.h no longer includes Python-ast.h.
* bpo-43244: Remove the PyAST_Validate() function (GH-24911)Victor Stinner2021-03-181-1/+1
| | | | | | | | | | | | Remove the PyAST_Validate() function. It is no longer possible to build a AST object (mod_ty type) with the public C API. The function was already excluded from the limited C API (PEP 384). Rename PyAST_Validate() function to _PyAST_Validate(), move it to the internal C API, and don't export it anymore (replace PyAPI_FUNC with extern). The function was added in bpo-12575 by the commit 832bfe2ebd5ecfa92031cd40c8b41835ba90487f.
* bpo-42128: Structural Pattern Matching (PEP 634) (GH-22917)Brandt Bucher2021-02-261-0/+29
| | | | | Co-authored-by: Guido van Rossum <guido@python.org> Co-authored-by: Talin <viridia@gmail.com> Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
* bpo-42000: Cleanup the AST related C-code (GH-22641)Batuhan Taskaya2020-10-101-10/+4
| | | | | | | | - Use the proper asdl sequence when creating empty arguments - Remove reduntant casts (thanks to new typed asdl_sequences) - Remove MarshalPrototypeVisitor and some utilities from asdl generator - Fix the header of `Python/ast.c` (kept from pgen times) Automerge-Triggered-By: @pablogsal
* bpo-41746: Add type information to asdl_seq objects (GH-22223)Pablo Galindo2020-09-161-12/+13
| | | | | | | | | | | | | * Add new capability to the PEG parser to type variable assignments. For instance: ``` | a[asdl_stmt_seq*]=';'.small_stmt+ [';'] NEWLINE { a } ``` * Add new sequence types from the asdl definition (automatically generated) * Make `asdl_seq` type a generic aliasing pointer type. * Create a new `asdl_generic_seq` for the generic case using `void*`. * The old `asdl_seq_GET`/`ast_seq_SET` macros now are typed. * New `asdl_seq_GET_UNTYPED`/`ast_seq_SET_UNTYPED` macros for dealing with generic sequences. * Changes all possible `asdl_seq` types to use specific versions everywhere.
* bpo-40939: Remove the old parser (Part 2) (GH-21005)Lysandros Nikolaou2020-06-201-1/+0
| | | Remove some remaining files and Makefile targets for the old parser
* bpo-40939: Remove the old parser (GH-20768)Pablo Galindo2020-06-111-5289/+0
| | | This commit removes the old parser, the deprecated parser module, the old parser compatibility flags and environment variables and all associated support code and documentation.
* bpo-40870: Invalidate usage of some constants with ast.Name (GH-20649)Batuhan Taskaya2020-06-061-0/+22
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* bpo-40614: Respect feature version for f-string debug expressions (GH-20196)Shantanu2020-05-271-0/+6
| | | | Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com> Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
* bpo-40334: Correctly identify invalid target in assignment errors (GH-20076)Pablo Galindo2020-05-151-5/+8
| | | Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
* bpo-39943: Add the const qualifier to pointers on non-mutable PyUnicode ↵Serhiy Storchaka2020-04-111-1/+1
| | | | data. (GH-19345)
* bpo-40141: Include the value in the column position for keyword AST nodes ↵Pablo Galindo2020-04-031-1/+1
| | | | (GH-19348)
* bpo-40147: Move the check for duplicate keywords to the compiler (GH-19289)Pablo Galindo2020-04-031-10/+1
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* bpo-40141: Add line and column information to ast.keyword nodes (GH-19283)Pablo Galindo2020-04-011-2/+5
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* bpo-39882: Add _Py_FatalErrorFormat() function (GH-19157)Victor Stinner2020-03-251-6/+3
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* bpo-40000: Improve error messages when validating invalid ast.Constant nodes ↵Batuhan Taşkaya2020-03-191-3/+5
| | | | | (GH-19055) Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
* bpo-39988: Remove ast.AugLoad and ast.AugStore node classes. (GH-19038)Serhiy Storchaka2020-03-171-12/+1
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* bpo-39969: Remove ast.Param node class as is no longer used (GH-19020)Batuhan Taşkaya2020-03-151-2/+0
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* bpo-34822: Simplify AST for subscription. (GH-9605)Serhiy Storchaka2020-03-101-67/+21
| | | | | | | | | * Remove the slice type. * Make Slice a kind of the expr type instead of the slice type. * Replace ExtSlice(slices) with Tuple(slices, Load()). * Replace Index(value) with a value itself. All non-terminal nodes in AST for expressions are now of the expr type.
* bpo-39639: Remove the AST "Suite" node and associated code (GH-18513)Batuhan Taşkaya2020-03-041-3/+0
| | | | | | | | The AST "Suite" node is no longer used and it can be removed from the ASDL definition and related structures (compiler, visitors, ...). Co-Authored-By: Victor Stinner <vstinner@python.org> Co-authored-by: Brett Cannon <54418+brettcannon@users.noreply.github.com> Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
* bpo-39702: Relax grammar restrictions on decorators (PEP 614) (GH-18570)Brandt Bucher2020-03-031-68/+4
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* bpo-39474: Fix AST pos for expressions like (a)(b), (a)[b] and (a).b. (GH-18477)Serhiy Storchaka2020-02-121-18/+18
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* bpo-39579: Fix Attribute end_col_offset to point at the current node (GH-18405)Lysandros Nikolaou2020-02-071-2/+3
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* bpo-39235: Fix end location for genexp in call args (GH-17925)Guido van Rossum2020-01-091-8/+8
| | | | | | The fix changes copy_location() to require an extra node from which to extract the end location, and fixing all 5 call sites. https://bugs.python.org/issue39235
* bpo-39176: Improve error message for 'named assignment' (GH-17777)Ned Batchelder2020-01-011-1/+1
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* bpo-39080: Starred Expression's column offset fix when inside a CALL (GH-17645)Lysandros Nikolaou2019-12-181-1/+1
| | | | Co-Authored-By: Pablo Galindo <Pablogsal@gmail.com>
* The comment in ast_for_namedexpr shouldn't include if_stmt (GH-17586)Guido van Rossum2019-12-151-3/+1
| | | Automerge-Triggered-By: @gvanrossum
* Fix elif start column offset when there is an else following (GH-17596)Lysandros Nikolaou2019-12-141-2/+2
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* bpo-39031: Include elif keyword when producing lineno/col-offset info for ↵Lysandros Nikolaou2019-12-121-2/+2
| | | | | | | | | | | | if_stmt (GH-17582) When parsing an "elif" node, lineno and col_offset of the node now point to the "elif" keyword and not to its condition, making it consistent with the "if" node. https://bugs.python.org/issue39031 Automerge-Triggered-By: @pablogsal
* bpo-38535: Fix positions for AST nodes for calls without arguments in ↵Serhiy Storchaka2019-10-261-2/+4
| | | | decorators. (GH-16861)
* Cut disused recode_encoding logic in _PyBytes_DecodeEscape. (GH-16013)Greg Price2019-09-121-1/+1
| | | | | | | | | | | | | | | | | | | | | All call sites pass NULL for `recode_encoding`, so this path is completely untested. That's been true since before Python 3.0. It adds significant complexity to this logic, so it's best to take it out. All call sites now have a literal NULL, and that's been true since commit 768921cf3 eliminated a conditional (`foo ? bar : NULL`) at the call site in Python/ast.c where we're parsing a bytes literal. But even before then, that condition `foo` had been a constant since unadorned string literals started meaning Unicode, in commit 572dbf8f1 aka v3.0a1~1035 . The `unicode` parameter is already unused, so mark it as unused too. The code that acted on it was also taken out before Python 3.0, in commit 8d30cc014 aka v3.0a1~1031 . The function (PyBytes_DecodeEscape) is exposed in the API, but it's never been documented.
* bpo-38138: Fix memory leak introduced by interned strings (GH-16053)Dino Viehland2019-09-121-0/+1
| | | | | | | | | | | Interned string needs to be decref'd https://bugs.python.org/issue38138 Automerge-Triggered-By: @matrixise
* bpo-38113: Update Python/ast.c to PEP-384 (GH-15975)Dino Viehland2019-09-111-4/+3
| | | | | | | | | | Removes statics for better subinterpreter support and moves to _PyType_Name https://bugs.python.org/issue38113 Automerge-Triggered-By: @tiran
* Fix typos mostly in comments, docs and test names (GH-15209)Min ho Kim2019-08-301-1/+1
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