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197 Commits

Author SHA1 Message Date
Serhiy Storchaka 7b25a82e83
Fix test_compile with -O mode (GH-115346) 2024-02-19 19:02:29 +02:00
Irit Katriel 732faf17a6
gh-115347: avoid emitting redundant NOP for the docstring with -OO (#115494) 2024-02-15 14:20:19 +00:00
Irit Katriel 2091fb2a85
gh-107901: make compiler inline basic blocks with no line number and no fallthrough (#114750) 2024-02-02 11:26:31 +00:00
Irit Katriel ed30a3c337
gh-114083: apply optimization of LOAD_CONST instructions to the whole CFG before optimize_basic_block. (#114408) 2024-01-22 17:12:06 +00:00
Mark Shannon 17b73ab99e
GH-113655: Lower the C recursion limit on various platforms (GH-113944) 2024-01-16 09:32:01 +00:00
Irit Katriel 8aa0088ea2
gh-107901: duplicate blocks with no lineno that have an eval break and multiple predecessors (#113950) 2024-01-12 15:38:09 +00:00
Kirill Podoprigora 9f088336b2
gh-113932: assert ``SyntaxWarning`` in test_compile.TestSpecifics.test_… (#113933) 2024-01-11 11:25:07 +00:00
Irit Katriel 7d01fb4808
gh-113603: Compiler no longer tries to maintain the no-empty-block invariant (#113636) 2024-01-03 16:57:48 +00:00
Irit Katriel e51b400945
gh-113054: Compiler no longer replaces a redundant jump with no line number by a NOP (#113139) 2023-12-19 11:04:44 +00:00
Irit Katriel 428c9812cb
gh-112962: in dis module, put cache information in the Instruction instead of creating fake Instructions to represent it (#113016) 2023-12-13 12:00:21 +00:00
Irit Katriel b578e51f02
gh-111123: symtable should visit exception handlers before the else block (#111142) 2023-10-21 13:38:29 +01:00
Irit Katriel f580edcc6a
gh-109889: fix compiler's redundant NOP detection to look past NOPs with no lineno when looking for the next instruction's lineno (#109987) 2023-09-28 20:33:28 +01:00
Irit Katriel d73c12b88c
gh-109823: Adjust labels in compiler when removing an empty basic block which is a jump target (#109839) 2023-09-25 18:25:05 +00:00
Irit Katriel 7c55399172
gh-109719: Fix missing jump target labels when compiler reorders cold/warm blocks (#109734) 2023-09-22 16:59:35 +00:00
Irit Katriel 9ccf0545ef
gh-109627: duplicated smalll exit blocks need to be assigned jump target labels (#109630) 2023-09-20 23:08:06 +00:00
Jelle Zijlstra 987b4bc087
gh-109341: Fix crash on compiling invalid AST including TypeAlias (#109349) 2023-09-13 09:00:39 -07:00
Jelle Zijlstra 79101edb03
gh-109351: Fix crash when compiling AST with invalid NamedExpr (#109352) 2023-09-13 09:00:15 -07:00
Carl Meyer ceeb4173ae
gh-109195: fix source location for super load before LOAD_SUPER_ATTR (#109289) 2023-09-11 17:35:49 -06:00
Victor Stinner b0edf3b98e
GH-91079: Rename C_RECURSION_LIMIT to Py_C_RECURSION_LIMIT (#108507) 
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.
 2023-09-08 09:48:28 +00:00
Serhiy Storchaka f3ba0a74cd
gh-108416: Mark slow test methods with @requires_resource('cpu') (GH-108421) 
Only mark tests which spend significant system or user time,
by itself or in subprocesses.
 2023-09-02 07:45:34 +03:00
Irit Katriel a1cc74c4ee
gh-107901: Fix missing line number on BACKWARD_JUMP at the end of a for loop (#108242) 2023-08-21 23:44:31 +01:00
Nikita Sobolev bdd8ddfda1
gh-105724: Add location information to `assert` errors (GH-105935) 2023-08-16 11:35:38 +01:00
Mark Shannon fa45958450
GH-107263: Increase C stack limit for most functions, except `_PyEval_EvalFrameDefault()` (GH-107535) 
* Set C recursion limit to 1500, set cost of eval loop to 2 frames, and compiler mutliply to 2.
 2023-08-04 10:10:29 +01:00
Dong-hee Na 115df8491a
gh-104635: Add a test case for variables that have a dependency. (gh-106583) 2023-07-11 10:14:53 +09:00
Carl Meyer 0589c6a4d3
gh-104615: don't make unsafe swaps in apply_static_swaps (#104620) 2023-05-18 21:22:03 +00:00
Carl Meyer c3b595e73e
gh-97933: (PEP 709) inline list/dict/set comprehensions (#101441) 
Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
 2023-05-09 11:02:14 -06:00
Brandt Bucher 0444ae2487
GH-100982: Break up COMPARE_AND_BRANCH (GH-102801) 2023-03-23 15:25:09 -07:00
Irit Katriel 36b139af63
gh-101951: use textwrap.dedent in compiler tests to make them more readable (GH-101950) 
Fixes #101951.

Automerge-Triggered-By: GH:iritkatriel
 2023-02-16 04:31:59 -08:00
penguin_wwy df7ccf6138
gh-101928: fix crash in compiler on multi-line lambda in function call (#101933) 2023-02-16 11:31:41 +00:00
penguin_wwy 753fc8a5d6
gh-101632: Add the new RETURN_CONST opcode (#101633) 2023-02-07 22:32:21 +00:00
Irit Katriel e9ccfe4a63
gh-100712: make it possible to disable specialization (for debugging) (#100713) 2023-01-19 18:14:55 +00:00
Mark Shannon 7b14c2ef19
GH-100982: Add `COMPARE_AND_BRANCH` instruction (GH-100983) 2023-01-16 12:35:21 +00:00
Brandt Bucher f07daaf4f7
GH-100117: Make `co_lines` more efficient (GH-100447) 2023-01-10 10:56:53 +00:00
Irit Katriel ae185fdcca
gh-99708: fix bug where compiler crashes on if expression with an empty body block (GH-99732) 2022-11-24 10:59:07 +00:00
Irit Katriel fb844e1931
gh-98762: Fix locations of match sub-patterns (GH-98775) 2022-11-12 18:42:17 +00:00
Irit Katriel 3dd6ee2c00
gh-99254: remove all unused consts from code objects (GH-99255) 2022-11-11 10:53:43 +00:00
Carl Meyer 027bc7e6bb
gh-94445: add compiler test for another case of excessive stack use (GH-99237) 2022-11-08 20:39:32 +00:00
Irit Katriel a1a8828e42
gh-98461: Fix location of RETURN_VALUE in async generator bytecode. compiler_jump_if no longer needs a pointer to the loc. (GH-98494) 2022-10-25 12:26:26 +01:00
Irit Katriel 4ec9ed8fde
gh-98461: Fix source location in comprehensions bytecode (GH-98464) 2022-10-20 16:58:37 +01:00
Irit Katriel 9be05df399
gh-98398: Fix source locations for 'assert' bytecode (GH-98405) 2022-10-19 10:48:50 +01:00
Irit Katriel c051d55ddb
gh-98390: Fix source locations of boolean sub-expressions (GH-98396) 2022-10-18 17:18:38 +01:00
Victor Stinner db03c8066a
gh-98393: os module reject bytes-like, only accept bytes (#98394) 
The os module and the PyUnicode_FSDecoder() function no longer accept
bytes-like paths, like bytearray and memoryview types: only the exact
bytes type is accepted for bytes strings.
 2022-10-18 17:52:31 +02:00
Irit Katriel c529b45122
gh-87092: bring compiler code closer to a preprocessing-opt-assembler organisation (GH-97644) 2022-10-05 08:52:35 +01:00
Mark Shannon 76449350b3
GH-91079: Decouple C stack overflow checks from Python recursion checks. (GH-96510) 2022-10-05 01:34:03 +01:00
Pablo Galindo Salgado aab01e3524
gh-96670: Raise SyntaxError when parsing NULL bytes (#97594) 2022-09-27 23:23:42 +01:00
Brandt Bucher dfc73b5724
GH-95921: Fix positions for some chained comparisons (GH-96968) 2022-09-20 12:22:24 -07:00
Gregory P. Smith 511ca94520
gh-95778: CVE-2020-10735: Prevent DoS by very large int() (#96499) 
Integer to and from text conversions via CPython's bignum `int` type is not safe against denial of service attacks due to malicious input. Very large input strings with hundred thousands of digits can consume several CPU seconds.

This PR comes fresh from a pile of work done in our private PSRT security response team repo.

Signed-off-by: Christian Heimes [Red Hat] <christian@python.org>
Tons-of-polishing-up-by: Gregory P. Smith [Google] <greg@krypto.org>
Reviews via the private PSRT repo via many others (see the NEWS entry in the PR).

<!-- gh-issue-number: gh-95778 -->
* Issue: gh-95778
<!-- /gh-issue-number -->

I wrote up [a one pager for the release managers](https://docs.google.com/document/d/1KjuF_aXlzPUxTK4BMgezGJ2Pn7uevfX7g0_mvgHlL7Y/edit#). Much of that text wound up in the Issue. Backports PRs already exist. See the issue for links.
 2022-09-02 09:35:08 -07:00
Irit Katriel 1e743616ac
gh-96276: suppress SyntaxWarning in test_compile (GH-96277) 2022-08-25 22:23:06 +01:00
Brandt Bucher c7e5bbaee8
GH-95150: Use position and exception tables for code hashing and equality (GH-95509) 2022-08-01 11:02:56 -07:00
Christian Heimes 51c56f8d72
gh-93678: Address stack exhaustion on WASI (GH-95296) 2022-07-26 22:14:35 +02:00