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11 commits

Author SHA1 Message Date
Mark Shannon
adcd220556
bpo-40222: "Zero cost" exception handling (GH-25729) 
"Zero cost" exception handling.

* Uses a lookup table to determine how to handle exceptions.
* Removes SETUP_FINALLY and POP_TOP block instructions, eliminating (most of) the runtime overhead of try statements.
* Reduces the size of the frame object by about 60%.
 2021-05-07 15:19:19 +01:00
Mark Shannon
582aaf19e8
bpo-41463: Generate information about jumps from 'opcode.py' rather than duplicating it in 'compile.c' (GH-21714) 
Generate information about jumps from 'opcode.py' rather than duplicate it in 'compile.c'
 2020-08-04 17:30:11 +01:00
Mark Shannon
9af0e47b17
bpo-39156: Break up COMPARE_OP into four logically distinct opcodes. (GH-17754) 
Break up COMPARE_OP into four logically distinct opcodes:
* COMPARE_OP for rich comparisons
* IS_OP for 'is' and 'is not' tests
* CONTAINS_OP for 'in' and 'is not' tests
* JUMP_IF_NOT_EXC_MATCH for checking exceptions in 'try-except' statements.
 2020-01-14 10:12:45 +00:00
Shivank98
e3d1455fe4 Update opcode.h header comment to mention the source data file (GH-9935) 
This is intended to help code explorers find out more about what's defined there.
 2018-10-18 14:53:18 -05:00
Victor Stinner
213cc388c7 Reintroduce Python2 support in generate_opcode_h.py 
Issue #28821.

Add also a message to show that the command did something :-)
 2016-11-28 18:13:52 +01:00
Victor Stinner
6193ecd779 Fix a ResourceWarning in generate_opcode_h.py 
Use a context manager to close the Python file. Replace also open() with
tokenize.open() to handle coding cookie if any in Lib/opcode.py.
 2016-11-25 11:59:52 +01:00
Gregory P. Smith ext:(%20%5BGoogle%20Inc.%5D)
a68c1bca7b Remove legacy "from __future__ import with_statement" lines. 2016-09-08 13:47:41 -07:00
Serhiy Storchaka
3028c955fa Issue #24288: Generated opcode.h no longer contains trailing spaces and tabs. 2015-05-27 21:31:33 +03:00
Ned Deily
7fae75a415 Issue #17861: Allow generate_opcode_h to run with a system Python 2.5. 
Patch by David Bolen.
 2014-04-28 13:46:36 -07:00
Thomas Wouters
67d8dc1f58 Fix Tools/scripts/generate_opcode_h.py from issue #17861 to work correctly 
when building in a separate object tree. More people should build this way.
This may still fail if the source is unwritable, I haven't tested that yet.
 2014-04-17 01:13:29 +02:00
Kushal Das
02d23a212a Closes Issue 17861: Autogenerate Include/opcode.h from opcode.py. 
It includes required changes in Makefile.pre.in and configure.ac
among other files.
 2014-04-15 23:50:06 +05:30