/usr/share/doc/python3-pycparser/examples/func_calls.py is in python3-pycparser 2.18-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | #-----------------------------------------------------------------
# pycparser: func_calls.py
#
# Using pycparser for printing out all the calls of some function
# in a C file.
#
# Eli Bendersky [http://eli.thegreenplace.net]
# License: BSD
#-----------------------------------------------------------------
from __future__ import print_function
import sys
# This is not required if you've installed pycparser into
# your site-packages/ with setup.py
sys.path.extend(['.', '..'])
from pycparser import c_parser, c_ast, parse_file
# A visitor with some state information (the funcname it's
# looking for)
#
class FuncCallVisitor(c_ast.NodeVisitor):
def __init__(self, funcname):
self.funcname = funcname
def visit_FuncCall(self, node):
if node.name.name == self.funcname:
print('%s called at %s' % (self.funcname, node.name.coord))
def show_func_calls(filename, funcname):
ast = parse_file(filename, use_cpp=True)
v = FuncCallVisitor(funcname)
v.visit(ast)
if __name__ == "__main__":
if len(sys.argv) > 2:
filename = sys.argv[1]
func = sys.argv[2]
else:
filename = 'examples/c_files/hash.c'
func = 'malloc'
show_func_calls(filename, func)
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