/usr/share/doc/python-pyparsing-doc/examples/cLibHeader.py is in python-pyparsing-doc 2.2.0+dfsg1-2.
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# cLibHeader.py
#
# A simple parser to extract API doc info from a C header file
#
# Copyright, 2012 - Paul McGuire
#
from pyparsing import Word, alphas, alphanums, Combine, oneOf, Optional, delimitedList, Group, Keyword
testdata = """
int func1(float *vec, int len, double arg1);
int func2(float **arr, float *vec, int len, double arg1, double arg2);
"""
ident = Word(alphas, alphanums + "_")
vartype = Combine( oneOf("float double int char") + Optional(Word("*")), adjacent = False)
arglist = delimitedList(Group(vartype("type") + ident("name")))
functionCall = Keyword("int") + ident("name") + "(" + arglist("args") + ")" + ";"
for fn,s,e in functionCall.scanString(testdata):
print(fn.name)
for a in fn.args:
print(" - %(name)s (%(type)s)" % a)
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