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207 commits

Author SHA1 Message Date
Brandt Bucher
235cacff81
GH-114695: Add sys._clear_internal_caches (GH-115152) 2024-02-12 09:04:36 +00:00
Jelle Zijlstra
0b718e6407
gh-110543: Fix CodeType.replace in presence of comprehensions (#110586) 2023-11-08 13:11:59 -07:00
Irit Katriel
52cc4af6ae
gh-111354: simplify detection of RESUME after YIELD_VALUE at except-depth 1 (#111459) 2023-11-02 10:18:43 +00:00
Serhiy Storchaka
970e719a7a
gh-108082: Use PyErr_FormatUnraisable() (GH-111580) 
Replace most of calls of _PyErr_WriteUnraisableMsg() and some
calls of PyErr_WriteUnraisable(NULL) with PyErr_FormatUnraisable().

Co-authored-by: Victor Stinner <vstinner@python.org>
 2023-11-02 09:16:34 +00:00
Tian Gao
d5611f2804
GH-107265: Add missing deoptimizations for ENTER_EXECUTOR's original opcode (GH-109420) 2023-09-22 14:13:31 -07:00
Tian Gao
057bc72490
gh-109052: Use the base opcode when comparing code objects (gh-109107) 2023-09-09 10:24:49 +09:00
Mark Shannon
15d4c9fabc
GH-108716: Turn off deep-freezing of code objects. (GH-108722) 2023-09-08 10:34:40 +01:00
Dong-hee Na
3bfa24e29f
gh-107265: Remove all ENTER_EXECUTOR when execute _Py_Instrument (gh-108539) 2023-09-07 09:53:54 +09:00
Serhiy Storchaka
6f3c138dfa
gh-108751: Add copy.replace() function (GH-108752) 
It creates a modified copy of an object by calling the object's
__replace__() method.

It is a generalization of dataclasses.replace(), named tuple's _replace()
method and replace() methods in various classes, and supports all these
stdlib classes.
 2023-09-06 23:55:42 +03:00
Irit Katriel
72119d16a5
gh-105481: remove regen-opcode. Generated _PyOpcode_Caches in regen-cases. (#108367) 2023-08-23 18:39:00 +01:00
Dong-hee Na
e6db23f66d
gh-107265: Fix code_hash for ENTER_EXECUTOR case (#108188) 2023-08-21 14:22:18 -07:00
Dong-hee Na
4fdf3fda0f
gh-107265: Fix code_richcompare for ENTER_EXECUTOR case (gh-108165) 2023-08-21 05:50:09 +00:00
Guido van Rossum
61c7249759
gh-106581: Project through calls (#108067) 
This finishes the work begun in gh-107760. When, while projecting a superblock, we encounter a call to a short, simple function, the superblock will now enter the function using `_PUSH_FRAME`, continue through it, and leave it using `_POP_FRAME`, and then continue through the original code. Multiple frame pushes and pops are even possible. It is also possible to stop appending to the superblock in the middle of a called function, when running out of space or encountering an unsupported bytecode.
 2023-08-17 11:29:58 -07:00
Irit Katriel
665a4391e1
gh-105481: generate op IDs from bytecode.c instead of hard coding them in opcode.py (#107971) 2023-08-16 22:25:18 +00:00
Serhiy Storchaka
0e6e32fb84
gh-86457: Fix signature for code.replace() (GH-23199) 
Also add support of @text_signature in Argument Clinic.
 2023-08-07 23:34:53 +03:00
Victor Stinner
1a3faba9f1
gh-106869: Use new PyMemberDef constant names (#106871) 
* Remove '#include "structmember.h"'.
* If needed, add <stddef.h> to get offsetof() function.
* Update Parser/asdl_c.py to regenerate Python/Python-ast.c.
* Replace:

  * T_SHORT => Py_T_SHORT
  * T_INT => Py_T_INT
  * T_LONG => Py_T_LONG
  * T_FLOAT => Py_T_FLOAT
  * T_DOUBLE => Py_T_DOUBLE
  * T_STRING => Py_T_STRING
  * T_OBJECT => _Py_T_OBJECT
  * T_CHAR => Py_T_CHAR
  * T_BYTE => Py_T_BYTE
  * T_UBYTE => Py_T_UBYTE
  * T_USHORT => Py_T_USHORT
  * T_UINT => Py_T_UINT
  * T_ULONG => Py_T_ULONG
  * T_STRING_INPLACE => Py_T_STRING_INPLACE
  * T_BOOL => Py_T_BOOL
  * T_OBJECT_EX => Py_T_OBJECT_EX
  * T_LONGLONG => Py_T_LONGLONG
  * T_ULONGLONG => Py_T_ULONGLONG
  * T_PYSSIZET => Py_T_PYSSIZET
  * T_NONE => _Py_T_NONE
  * READONLY => Py_READONLY
  * PY_AUDIT_READ => Py_AUDIT_READ
  * READ_RESTRICTED => Py_AUDIT_READ
  * PY_WRITE_RESTRICTED => _Py_WRITE_RESTRICTED
  * RESTRICTED => (READ_RESTRICTED | _Py_WRITE_RESTRICTED)
 2023-07-25 15:28:30 +02:00
Victor Stinner
5e4af2a3e9
gh-106320: Move private _PySet API to the internal API (#107041) 
* Add pycore_setobject.h header file.
* Move the following API to the internal C API:

  * _PySet_Dummy
  * _PySet_NextEntry()
  * _PySet_Update()
 2023-07-22 17:04:34 +02:00
Serhiy Storchaka
3c70d467c1
Fix possible refleak in CodeType.replace() (GH-106243) 
A reference to c_code was leaked if PySys_Audit() failed.
 2023-06-29 17:22:15 +03:00
Mark Shannon
581619941e
GH-104584: Assorted fixes for the optimizer API. (GH-105683) 
* Add test for long loops

* Clear ENTER_EXECUTOR when deopting code objects.
 2023-06-19 10:32:20 +01:00
Mark Shannon
7199584ac8
GH-100987: Allow objects other than code objects as the "executable" of an internal frame. (GH-105727) 
* Add table describing possible executable classes for out-of-process debuggers.

* Remove shim code object creation code as it is no longer needed.

* Make lltrace a bit more robust w.r.t. non-standard frames.
 2023-06-14 13:46:37 +01:00
Mark Shannon
4bfa01b9d9
GH-104584: Plugin optimizer API (GH-105100) 2023-06-02 11:46:18 +01:00
Victor Stinner
ef300937c2
gh-92536: Remove PyUnicode_READY() calls (#105210) 
Since Python 3.12, PyUnicode_READY() does nothing and always
returns 0.
 2023-06-02 01:33:17 +02:00
Mark Shannon
411b169281
GH-103082: Implementation of PEP 669: Low Impact Monitoring for CPython (GH-103083) 
* The majority of the monitoring code is in instrumentation.c

* The new instrumentation bytecodes are in bytecodes.c

* legacy_tracing.c adapts the new API to the old sys.setrace and sys.setprofile APIs
 2023-04-12 12:04:55 +01:00
Nikita Sobolev
2a721258a1
gh-101865: Deprecate co_lnotab from code objects as per PEP 626 (#101866) 
Co-authored-by: Oleg Iarygin <oleg@arhadthedev.net>
 2023-04-03 17:35:04 +02:00
Carl Meyer
1e703a4733
gh-102381: don't call watcher callback with dead object (#102382) 
Co-authored-by: T. Wouters <thomas@python.org>
 2023-03-07 17:10:58 -07:00
Petr Viktorin
6b2d7c0ddb
gh-101101: Unstable C API tier (PEP 689) (GH-101102) 2023-02-28 09:31:01 +01:00
Steve Dower
a99eb5cd99
gh-101907: Stop using _Py_OPCODE and _Py_OPARG macros (GH-101912) 
* gh-101907: Removes use of non-standard C++ extension from Include/cpython/code.h

* Make cases_generator correct on Windows
 2023-02-20 14:56:48 +00:00
Brandt Bucher
f07daaf4f7
GH-100117: Make co_lines more efficient (GH-100447) 2023-01-10 10:56:53 +00:00
Mark Shannon
15aecf8dd7
GH-100719: Remove the co_nplaincellvars field from code objects. (GH-100721) 2023-01-04 15:41:39 +00:00
Dennis Sweeney
a98d9ea56e
gh-94155: Reduce hash collisions for code objects (#100183) 
* Uses a better hashing algorithm to get better dispersion and remove commutativity.

* Incorporates `co_firstlineno`, `Py_SIZE(co)`, and bytecode instructions.

* This is now the entire set of criteria used in `code_richcompare`, except for `_PyCode_ConstantKey` (which would incorporate the types of `co_consts` rather than just their values).
 2022-12-23 13:15:47 -05:00
Itamar Ostricher
ae83c78215
GH-100000: Cleanup and polish various watchers code (GH-99998) 
* Initialize `type_watchers` array to `NULL`s
* Optimize code watchers notification
* Optimize func watchers notification
 2022-12-14 19:14:16 +00:00
Mark Shannon
6997e77bdf
GH-100222: Redefine _Py_CODEUNIT as a union to clarify structure of code unit. (GH-100223) 2022-12-14 11:12:53 +00:00
Mark Shannon
fb713b2183
GH-98522: Add version number to code objects. (GH-98525) 
* Add version number to code object for better versioning of functions.

* Improves specialization for closures and list comprehensions.
 2022-12-09 12:18:45 +00:00
Itamar Ostricher
3c137dc613
GH-91054: Add code object watchers API (GH-99859) 
* Add API to allow extensions to set callback function on creation and destruction of PyCodeObject

Co-authored-by: Ye11ow-Flash <janshah@cs.stonybrook.edu>
 2022-12-02 17:28:27 +00:00
Victor Stinner
74d5f61ebd
gh-99845: Clean up _PyObject_VAR_SIZE() usage (#99847) 
* code_sizeof() now uses an unsigned type (size_t) to compute the result.
* Fix _PyObject_ComputedDictPointer(): cast _PyObject_VAR_SIZE() to
  Py_ssize_t, rather than long: it's a different type on 64-bit Windows.
* Clarify that _PyObject_VAR_SIZE() uses an unsigned type (size_t).
 2022-11-29 12:15:21 +01:00
Victor Stinner
c0feb99187
gh-99300: Use Py_NewRef() in Objects/ directory (#99332) 
Replace Py_INCREF() and Py_XINCREF() with Py_NewRef() and
Py_XNewRef() in C files of the Objects/ directory.
 2022-11-10 16:27:32 +01:00
Mark Shannon
1e197e63e2
GH-96421: Insert shim frame on entry to interpreter (GH-96319) 
* Adds EXIT_INTERPRETER instruction to exit PyEval_EvalDefault()

* Simplifies RETURN_VALUE, YIELD_VALUE and RETURN_GENERATOR instructions as they no longer need to check for entry frames.
 2022-11-10 12:34:57 +00:00
Brandt Bucher
276d77724f
GH-98686: Quicken everything (GH-98687) 2022-11-02 10:42:57 -07:00
Ken Jin
7ec2e279fe
gh-95756: Free and NULL-out code caches when needed (GH-98181) 2022-10-11 23:11:46 +08:00
Ken Jin
b399115ef1
gh-95756: Lazily created cached co_* attrs (GH-97791) 2022-10-11 11:26:08 +08:00
Brandt Bucher
0ff8fd6583
GH-97779: Ensure that *all* frame objects are backed by "complete" frames (GH-97845) 2022-10-04 17:30:03 -07:00
Nikita Sobolev
e990c6af08
gh-94808: _PyLineTable_StartsLine was not used (GH-96609) 2022-10-03 19:35:43 +01:00
Pablo Galindo Salgado
16ebae4cd4
GH-96187: Prevent _PyCode_GetExtra to return garbage for negative indexes (GH-96188) 2022-08-23 11:13:53 +01:00
Ken Jin
42b102bbf9
gh-94936: C getters: co_varnames, co_cellvars, co_freevars (#95008) 2022-08-04 06:53:31 -07:00
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
Brandt Bucher
e402b26b7f
GH-95113: Don't use EXTENDED_ARG_QUICK in unquickened code (GH-95121) 2022-07-22 11:04:20 -07:00
Ken Jin
a6daaf2a13
Fix PyCode_Addr2Location when addrq < 0 (GH-95091) 2022-07-21 14:49:49 +01:00
Mark Shannon
544531de23
GH-94262: Don't create frame objects for frames that aren't yet complete. (GH-94371) 2022-07-01 11:08:20 +01:00
Pablo Galindo Salgado
c485ec014c
gh-88116: Avoid undefined behavior when decoding varints in code objects (#94375) 2022-06-28 14:24:54 +01:00
Ken Jin
50a5ab2c0b
gh-93382: Sync up co_code changes with 3.11 (GH-94227) 
Sync up co_code changes with 3.11 commit 852b4d4bcd.
 2022-06-25 01:55:18 +08:00