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304 commits

Author SHA1 Message Date
Irit Katriel
d49aba5a7a
gh-111354: Simplify _PyGen_yf by moving some of its work to the compiler and frame state (#111648) 2023-11-03 10:01:36 +00:00
Irit Katriel
67a91f78e4
gh-109094: replace frame->prev_instr by frame->instr_ptr (#109095) 2023-10-26 13:43:10 +00:00
Savannah Ostrowski
6640f1d8d2
GH-94438: Restore ability to jump over None tests (GH-111237) 2023-10-23 23:13:16 -07:00
Brandt Bucher
22e65eecaa
GH-105848: Replace KW_NAMES + CALL with LOAD_CONST + CALL_KW (GH-109300) 2023-09-13 10:25:45 -07:00
Carl Meyer
f2584eade3
gh-108732: include comprehension locals in frame.f_locals (#109026) 
Co-authored-by: Radislav Chugunov <52372310+chgnrdv@users.noreply.github.com>
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
 2023-09-07 08:56:43 -06:00
Irit Katriel
39376cb93d
gh-108991: replace _PyFrame_GetState by two simpler functions (#108992) 2023-09-06 12:54:59 +01:00
Irit Katriel
72119d16a5
gh-105481: remove regen-opcode. Generated _PyOpcode_Caches in regen-cases. (#108367) 2023-08-23 18:39:00 +01:00
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
Anders Kaseorg
557b05c7a5
gh-106092: Fix use-after-free crash in frame_dealloc (#106875) 
It was possible for the trashcan to delay the deallocation of a
PyFrameObject until after its corresponding _PyInterpreterFrame has
already been freed.  So frame_dealloc needs to avoid dereferencing the
f_frame pointer unless it first checks that the pointer still points
to the interpreter frame within the frame object.

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
 2023-08-01 10:32:18 +01:00
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
Carl Meyer
104d7b760f
gh-105340: include hidden fast-locals in locals() (#105715) 
* gh-105340: include hidden fast-locals in locals()
 2023-07-05 17:05:02 -06:00
Md Sadman Chowdhury
822db860ea
Fix duplicate word typos in comments (#106225) 2023-07-01 12:47:14 -07:00
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
Mark Shannon
45f5aa8fc7
GH-103082: Filter LINE events in VM, to simplify tool implementation. (GH-104387) 
When monitoring LINE events, instrument all instructions that can have a predecessor on a different line.
Then check that the a new line has been hit in the instrumentation code.
This brings the behavior closer to that of 3.11, simplifying implementation and porting of tools.
 2023-05-12 12:21:20 +01:00
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
Mark Shannon
a0df9ee8fc
GH-96803: Add three C-API functions to make _PyInterpreterFrame less opaque for users of PEP 523. (GH-96849) 2023-05-05 17:53:07 +01:00
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
Brandt Bucher
0444ae2487
GH-100982: Break up COMPARE_AND_BRANCH (GH-102801) 2023-03-23 15:25:09 -07:00
Irit Katriel
3468c768ce
gh-102859: Remove JUMP_IF_FALSE_OR_POP and JUMP_IF_TRUE_OR_POP (#102870) 2023-03-22 18:10:48 +00:00
Irit Katriel
11a2c6ce51
gh-102192: Replace PyErr_Fetch/Restore etc by more efficient alternatives (in Objects/) (#102218) 2023-03-08 17:03:18 +00:00
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
Mark Shannon
160f2fe2b9
GH-87849: Simplify stack effect of SEND and specialize it for generators and coroutines. (GH-101788) 2023-02-13 11:24:55 +00:00
penguin_wwy
753fc8a5d6
gh-101632: Add the new RETURN_CONST opcode (#101633) 2023-02-07 22:32:21 +00:00
Mark Shannon
7b14c2ef19
GH-100982: Add COMPARE_AND_BRANCH instruction (GH-100983) 2023-01-16 12:35:21 +00:00
Brandt Bucher
61762b9387
GH-100126: Skip incomplete frames in more places (GH-100613) 2023-01-09 12:20:04 -08:00
Irit Katriel
15c44789bb
gh-100758: Refactor initialisation of frame headers into a single function (_PyFrame_Initialize) (GH-100759) 2023-01-06 14:55:56 +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
Irit Katriel
c31e356a10
gh-100720: refactor calculation of number of frame slots for a code object into the new function _PyFrame_NumSlotsForCodeObject (#100722) 2023-01-04 13:37:06 +00:00
Bill Fisher
88d565f32a
gh-99110: Initialize frame->previous in init_frame to fix segmentation fault when accessing frame.f_back (#100182) 2022-12-23 20:15:53 +05:30
Brandt Bucher
aa8b58cb33
Remove old comment (GH-99489) 2022-11-16 13:43:31 -08:00
Victor Stinner
6788303f5c
gh-91248: Optimize PyFrame_GetVar() (#99252) 
PyFrame_GetVar() no longer creates a temporary dictionary to get a
variable.
 2022-11-13 15:37:03 +01:00
Victor Stinner
584e55bd34
gh-99300: Use Py_NewRef() in Objects/ directory (#99335) 
Replace Py_INCREF() and Py_XINCREF() with Py_NewRef() and
Py_XNewRef() in C files of the Objects/ directory.
 2022-11-10 22:22:02 +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
Victor Stinner
4d5fcca273
gh-91248: Add PyFrame_GetVar() function (#95712) 
Add PyFrame_GetVar() and PyFrame_GetVarString() functions to get a
frame variable by its name.

Move PyFrameObject C API tests from test_capi to test_frame.
 2022-11-08 17:40:27 +01:00
Brandt Bucher
c7065ce019
GH-93143: Don't turn LOAD_FAST into LOAD_FAST_CHECK (GH-99075) 2022-11-08 07:50:46 -08:00
Brandt Bucher
276d77724f
GH-98686: Quicken everything (GH-98687) 2022-11-02 10:42:57 -07:00
Mark Shannon
22863df7ca
GH-96793: Change FOR_ITER to not pop the iterator on exhaustion. (GH-96801) 
Change FOR_ITER to have the same stack effect regardless of whether it branches or not.
Performance is unchanged as FOR_ITER (and specialized forms jump over the cleanup code).
 2022-10-27 11:55:03 +01:00
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
Irit Katriel
4c72517cad
gh-93554: Conditional jump opcodes only jump forward (GH-96318) 2022-09-01 21:36:47 +01:00
Mark Shannon
c09fa7542c
GH-96237: Allow non-functions as reference-holder in frames. (GH-96238) 2022-08-25 10:16:55 +01:00
Brandt Bucher
e4d3a96a11
GH-94438: Handle extended arguments and conditional pops in mark_stacks (GH-95110) 2022-07-22 16:28:03 -07:00
Mark Shannon
3f738600f6
GH-94979: Pop the exception stack when jumping out of exception handlers. (#95003) 2022-07-19 16:33:18 +01:00
Brandt Bucher
b407312a24
GH-94893: Ignore caches when adding LOAD_FAST_CHECKs (GH-94894) 2022-07-18 09:00:41 -07:00
Mark Shannon
2f8bff6879
GH-94739: Mark stacks of exception handling blocks for setting frame.f_lineno in the debugger. (GH-94958) 2022-07-18 16:06:42 +01:00
Irit Katriel
50b9a7762f
gh-94438: in frameobject's mark_stacks switch, the PUSH_EXC_INFO and POP_EXCEPT cases are no longer reachable (GH-94582) 2022-07-06 07:15:59 +01:00
Mark Shannon
be80db14c4
GH-94438: Account for NULLs on evaluation stack when jumping lines. (GH-94444) 2022-07-01 14:01:14 +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