blob: ec1fbc0c3edb40651f927727cb3784f7ef019553 [file] [log] [blame]
#!/usr/bin/env python
#===- - cindex/Python Inclusion Graph -----*- python -*--===#
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
A simple command line tool for dumping a Graphviz description (dot) that
describes include dependencies.
def main():
import sys
from clang.cindex import Index
from optparse import OptionParser, OptionGroup
parser = OptionParser("usage: %prog [options] {filename} [clang-args*]")
(opts, args) = parser.parse_args()
if len(args) == 0:
parser.error('invalid number arguments')
# FIXME: Add an output file option
out = sys.stdout
index = Index.create()
tu = index.parse(None, args)
if not tu:
parser.error("unable to load input")
# A helper function for generating the node name.
def name(f):
if f:
return "\"" + + "\""
# Generate the include graph
out.write("digraph G {\n")
for i in tu.get_includes():
line = " ";
if i.is_input_file:
# Always write the input file as a node just in case it doesn't
# actually include anything. This would generate a 1 node graph.
line += name(i.include)
line += '%s->%s' % (name(i.source), name(i.include))
line += "\n";
if __name__ == '__main__':