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Direktori : /proc/self/root/opt/alt/python38/share/doc/alt-python38-pycparser-2.14/examples/ |
Current File : //proc/self/root/opt/alt/python38/share/doc/alt-python38-pycparser-2.14/examples/func_calls.py |
#----------------------------------------------------------------- # pycparser: func_defs.py # # Using pycparser for printing out all the calls of some function # in a C file. # # Copyright (C) 2008-2015, Eli Bendersky # 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)) 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)