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#! /usr/bin/python
# -*- python -*-
#
# $Id$
#
# mmelchior@xs4all.nl
#
# generate files for the windows plugin interface from a file with declarations
#
# The input for this script is generated by gcc using the following command:
#
# gcc -aux-info xyzzy $(pkg-config --cflags glib-2.0) -I ethereal-0.9.13 -c plugin_api_list.c
#
# this gives one declaration per line, with consistent spacing.
#
# with a much more elaborate parser than the one RE we have now, we could do without gcc.
#
"""Ethereal Windows interface generator."""
import sys, string, os, re
from string import strip, replace
pattFile = re.compile('.*plugin_api_list.* extern (.*)') # match filename and select declaration
pattName = re.compile('\w* .*?(\w*) \(.*') # select function name
if len(sys.argv) > 1:
file = open(sys.argv[1], 'r') # input name on command line
else:
file = sys.stdin # read from a stream
f2 = open("Xplugin_api.h", 'w') # defines to hide indirection
f3 = open("Xplugin_api.c", 'w') # statements to copy addresses from structure
f4 = open("Xplugin_api_decls.h", 'w') # pointer definitions
f5 = open("Xplugin_table.h", 'w') # type definitions
f6 = open("Xass-list", 'w'); # exported structure initialization
comment = "/* This file is generated by %s, do not edit. */\n\n" % sys.argv[0]
f2.write(comment)
f3.write(comment)
f4.write(comment)
f5.write(comment)
f6.write(comment)
pos = 0
count = 0
while 1:
line = file.readline()
if not line: break
matchobj = pattFile.match(line)
if matchobj:
# print "+", count, " ", strip(line)
decl = matchobj.group(1)
# print "= ", decl
matchobj = pattName.match(decl)
if matchobj:
count = count + 1
name = matchobj.group(1)
# print " ", name
f2.write("#define %s (*p_%s)\n" % (name, name))
f3.write("p_%s = pat->p_%s;\n" % (name, name))
f4.write("addr_%s p_%s;\n" % (name, name))
f5.write(replace("typedef %s\n" % decl, name, "(*addr_%s)" % name))
f6.write(name)
pos = pos + len(name) + 2
if pos > 60:
pos = 0
f6.write(",\n")
else:
f6.write(", ")
else:
print '**** function name not fount in "%s"' % decl
f6.write('\n')
print "%d symbols exported" % count
file.close()
f2.close()
f3.close()
f4.close()
f5.close()
f6.close()
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