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https://github.com/jeremysrand/llvm-65816.git
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33 lines
1.2 KiB
Python
Executable File
33 lines
1.2 KiB
Python
Executable File
#! /usr/bin/python
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#changelog:
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#10/13/2005b: replaced the # in tmp(.#*)* with alphanumeric and _, this will then remove
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#nodes such as %tmp.1.i and %tmp._i.3
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#10/13/2005: exntended to remove variables of the form %tmp(.#)* rather than just
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#%tmp.#, i.e. it now will remove %tmp.12.3.15 etc, additionally fixed a spelling error in
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#the comments
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#10/12/2005: now it only removes nodes and edges for which the label is %tmp.# rather
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#than removing all lines for which the lable CONTAINS %tmp.#
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import re
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import sys
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if( len(sys.argv) < 3 ):
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print 'usage is: ./DSAclean <dot_file_to_be_cleaned> <out_put_file>'
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sys.exit(1)
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#get a file object
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input = open(sys.argv[1], 'r')
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output = open(sys.argv[2], 'w')
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#we'll get this one line at a time...while we could just put the whole thing in a string
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#it would kill old computers
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buffer = input.readline()
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while buffer != '':
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if re.compile("label(\s*)=(\s*)\"\s%tmp(.\w*)*(\s*)\"").search(buffer):
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#skip next line, write neither this line nor the next
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buffer = input.readline()
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else:
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#this isn't a tmp Node, we can write it
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output.write(buffer)
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#prepare for the next iteration
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buffer = input.readline()
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input.close()
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output.close()
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