__ __ __ __ _____ _ _ _____ _ _ _
| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
| \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | |
| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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For_More_Tools:
#-----------------------------------------------------------------
# pycparser: func_calls.py
#
# Using pycparser for printing out all the calls of some function
# in a C file.
#
# Eli Bendersky [https://eli.thegreenplace.net/]
# License: BSD
#-----------------------------------------------------------------
from __future__ import print_function
import sys
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))
# Visit args in case they contain more func calls.
if node.args:
self.visit(node.args)
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)