Mercurial > cpython-lru_cache-weakref

annotate Python/makeopcodetargets.py @ 56121:ea697cde6882 3.1

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Merged revisions 74881-74885,74888,74891-74895,74900,74905-74906,74931-74932,74934,74941-74942,74944,74956 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r74881 | r.david.murray | 2009-09-17 15:12:49 -0400 (Thu, 17 Sep 2009) | 2 lines Check in first draft of maintainers.rst. ........ r74882 | eric.smith | 2009-09-17 15:22:30 -0400 (Thu, 17 Sep 2009) | 1 line Typo. ........ r74883 | mark.dickinson | 2009-09-17 15:37:28 -0400 (Thu, 17 Sep 2009) | 1 line Add some more module maintainers. ........ r74884 | mark.dickinson | 2009-09-17 15:39:12 -0400 (Thu, 17 Sep 2009) | 1 line Revert accidental changes to Objects/longobject.c ........ r74885 | mark.dickinson | 2009-09-17 16:20:01 -0400 (Thu, 17 Sep 2009) | 1 line Add decimal maintainers ........ r74888 | r.david.murray | 2009-09-17 18:10:48 -0400 (Thu, 17 Sep 2009) | 2 lines Maintainer additions from MAL. ........ r74891 | georg.brandl | 2009-09-17 18:18:01 -0400 (Thu, 17 Sep 2009) | 1 line Some more maintainers. ........ r74892 | r.david.murray | 2009-09-17 19:23:56 -0400 (Thu, 17 Sep 2009) | 2 lines Add a couple interest areas for Nick per his request. ........ r74893 | r.david.murray | 2009-09-17 19:43:20 -0400 (Thu, 17 Sep 2009) | 2 lines Benajmin is also compiler-knowledgeable. ........ r74894 | alexandre.vassalotti | 2009-09-17 20:59:05 -0400 (Thu, 17 Sep 2009) | 2 lines Added myself to my areas of interest. ........ r74895 | brett.cannon | 2009-09-17 21:03:35 -0400 (Thu, 17 Sep 2009) | 1 line Add myself to a couple places as maintainer. ........ r74900 | georg.brandl | 2009-09-18 05:06:37 -0400 (Fri, 18 Sep 2009) | 1 line Add myself in interest areas. ........ r74905 | ezio.melotti | 2009-09-18 05:58:43 -0400 (Fri, 18 Sep 2009) | 1 line Add myself in interest areas and mark effbot as inactive in winsound ........ r74906 | antoine.pitrou | 2009-09-18 09:15:23 -0400 (Fri, 18 Sep 2009) | 3 lines Add myself in a couple of places ........ r74931 | r.david.murray | 2009-09-18 17:25:36 -0400 (Fri, 18 Sep 2009) | 5 lines Add some names gleaned from the "Tracker Archeology" thread on python-dev from back in February. Also consolidate the autoconf and makefiles topics into one, and add tracker and svn/hg topics. ........ r74932 | r.david.murray | 2009-09-18 17:32:16 -0400 (Fri, 18 Sep 2009) | 2 lines Remove non-committer mistakenly added. ........ r74934 | r.david.murray | 2009-09-18 17:40:30 -0400 (Fri, 18 Sep 2009) | 2 lines More descriptive/generic name for the svn/hg entry (version control) ........ r74941 | benjamin.peterson | 2009-09-18 18:45:59 -0400 (Fri, 18 Sep 2009) | 1 line add a new category for myself ........ r74942 | benjamin.peterson | 2009-09-18 18:50:55 -0400 (Fri, 18 Sep 2009) | 1 line add myself for symtable ........ r74944 | georg.brandl | 2009-09-19 03:39:05 -0400 (Sat, 19 Sep 2009) | 1 line I would like to maintain the token module! ........ r74956 | r.david.murray | 2009-09-19 14:40:08 -0400 (Sat, 19 Sep 2009) | 3 lines Add everyone who we know has been a release manager as a resource for the 'release management' topic. ........
author R. David Murray <rdmurray@bitdance.com>
date Sat, 19 Sep 2009 19:04:37 +0000
parents df090597afaa
children f197407bdba2 fcfe324663a6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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d86e23318b41 Issue #4753: By enabling a configure option named '--with-computed-gotos'
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1 #! /usr/bin/env python
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2 """Generate C code for the jump table of the threaded code interpreter
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3 (for compilers supporting computed gotos or "labels-as-values", such as gcc).
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4 """
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5
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6 # This code should stay compatible with Python 2.3, at least while
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7 # some of the buildbots have Python 2.3 as their system Python.
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8
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9 import imp
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10 import os
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11
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12
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13 def find_module(modname):
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14 """Finds and returns a module in the local dist/checkout.
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15 """
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16 modpath = os.path.join(
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17 os.path.dirname(os.path.dirname(__file__)), "Lib")
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18 return imp.load_module(modname, *imp.find_module(modname, [modpath]))
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19
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20 def write_contents(f):
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21 """Write C code contents to the target file object.
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22 """
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23 opcode = find_module("opcode")
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24 targets = ['_unknown_opcode'] * 256
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25 for opname, op in opcode.opmap.items():
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26 if opname == "STOP_CODE":
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27 # XXX opcode not implemented
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28 continue
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29 targets[op] = "TARGET_%s" % opname
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30 f.write("static void *opcode_targets[256] = {\n")
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31 f.write(",\n".join(["\t&&%s" % s for s in targets]))
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32 f.write("\n};\n")
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33
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34
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35 if __name__ == "__main__":
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36 import sys
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37 assert len(sys.argv) < 3, "Too many arguments"
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38 if len(sys.argv) == 2:
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39 target = sys.argv[1]
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40 else:
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41 target = "Python/opcode_targets.h"
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42 f = open(target, "w")
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43 try:
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44 write_contents(f)
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45 finally:
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46 f.close()