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/opt/alt/python37/share/doc/alt-python37-pycparser/examples/func_defs.py

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#-----------------------------------------------------------------
# pycparser: func_defs.py
#
# Using pycparser for printing out all the functions defined in a
# C file.
#
# This is a simple example of traversing the AST generated by
# pycparser.
#
# 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 simple visitor for FuncDef nodes that prints the names and
# locations of function definitions.
class FuncDefVisitor(c_ast.NodeVisitor):
    def visit_FuncDef(self, node):
        print('%s at %s' % (node.decl.name, node.decl.coord))

def show_func_defs(filename):
    # Note that cpp is used. Provide a path to your own cpp or
    # make sure one exists in PATH.
    ast = parse_file(filename, use_cpp=True)

v = FuncDefVisitor()
    v.visit(ast)

if __name__ == "__main__":
    if len(sys.argv) > 1:
        filename  = sys.argv[1]
    else:
        filename = 'examples/c_files/memmgr.c'

show_func_defs(filename)

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Name	Size	Perms	Modified	Actions
c_files DIR	-	drwxr-xr-x	2021-10-11 07:55:49	Edit Download recursive recursive
c-to-c.py	1.42 KB	lrw-r--r--	2021-07-07 23:54:58	Edit Download recursive recursive
cdecl.py	3.05 KB	lrw-r--r--	2021-07-07 23:54:58	Edit Download recursive recursive
explore_ast.py	5.27 KB	lrw-r--r--	2021-07-07 23:54:58	Edit Download recursive recursive
func_calls.py	1.08 KB	lrw-r--r--	2021-07-07 23:54:58	Edit Download recursive recursive
func_defs.py	1.08 KB	lrw-r--r--	2021-07-07 23:54:58	Edit Download recursive recursive
rewrite_ast.py	599 B	lrw-r--r--	2021-07-07 23:54:58	Edit Download recursive recursive
using_cpp_libc.py	744 B	lrw-r--r--	2021-07-07 23:54:58	Edit Download recursive recursive
using_gcc_E_libc.py	797 B	lrw-r--r--	2021-07-07 23:54:58	Edit Download recursive recursive

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