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annotate Python/makeopcodetargets.py @ 57450:0db67153d25f

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Merged revisions 75264,75268,75293,75318,75391-75392,75436,75478,75971,76003,76058,76140-76141,76231,76380,76428-76429 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r75264 | andrew.kuchling | 2009-10-05 17:30:22 -0500 (Mon, 05 Oct 2009) | 1 line Add various items ........ r75268 | andrew.kuchling | 2009-10-05 17:45:39 -0500 (Mon, 05 Oct 2009) | 1 line Remove two notes ........ r75293 | kristjan.jonsson | 2009-10-09 09:32:19 -0500 (Fri, 09 Oct 2009) | 2 lines http://bugs.python.org/issue7029 a non-default timer wasn't actually used by the individual Tests. ........ r75318 | benjamin.peterson | 2009-10-10 16:15:58 -0500 (Sat, 10 Oct 2009) | 1 line remove script which uses long gone module ........ r75391 | andrew.kuchling | 2009-10-13 10:49:33 -0500 (Tue, 13 Oct 2009) | 1 line Link to PEP ........ r75392 | andrew.kuchling | 2009-10-13 11:11:49 -0500 (Tue, 13 Oct 2009) | 1 line Various link, textual, and markup fixes ........ r75436 | benjamin.peterson | 2009-10-15 10:39:15 -0500 (Thu, 15 Oct 2009) | 1 line don't need to mess up sys.path ........ r75478 | senthil.kumaran | 2009-10-17 20:58:45 -0500 (Sat, 17 Oct 2009) | 3 lines Fix a typo. ........ r75971 | benjamin.peterson | 2009-10-30 22:56:15 -0500 (Fri, 30 Oct 2009) | 1 line add some checks for evaluation order with parenthesis #7210 ........ r76003 | antoine.pitrou | 2009-10-31 19:30:13 -0500 (Sat, 31 Oct 2009) | 6 lines Hopefully fix the buildbot problems on test_mailbox, by computing the maildir toc cache refresh date before actually refreshing the cache. (see #6896) ........ r76058 | benjamin.peterson | 2009-11-02 10:14:19 -0600 (Mon, 02 Nov 2009) | 1 line grant list.index() a more informative error message #7252 ........ r76140 | nick.coghlan | 2009-11-07 02:13:55 -0600 (Sat, 07 Nov 2009) | 1 line Add test for runpy.run_module package execution and use something other than logging as the example of a non-executable package ........ r76141 | nick.coghlan | 2009-11-07 02:15:01 -0600 (Sat, 07 Nov 2009) | 1 line Some minor cleanups to private runpy code and docstrings ........ r76231 | benjamin.peterson | 2009-11-12 17:42:23 -0600 (Thu, 12 Nov 2009) | 1 line this main is much more useful ........ r76380 | antoine.pitrou | 2009-11-18 14:20:46 -0600 (Wed, 18 Nov 2009) | 3 lines Mention Giampolo R's new FTP TLS support in the what's new file ........ r76428 | benjamin.peterson | 2009-11-19 20:15:50 -0600 (Thu, 19 Nov 2009) | 1 line turn goto into do while loop ........ r76429 | benjamin.peterson | 2009-11-19 20:56:43 -0600 (Thu, 19 Nov 2009) | 2 lines avoid doing an uneeded import in a function ........
author Benjamin Peterson <benjamin@python.org>
date Wed, 25 Nov 2009 17:46:26 +0000
parents df090597afaa
children f197407bdba2 fcfe324663a6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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()