47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
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#!/usr/bin/env python
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# ===----------------------------------------------------------------------===##
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#
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# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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# See https://llvm.org/LICENSE.txt for license information.
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#
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# ===----------------------------------------------------------------------===##
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import argparse
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if __name__ == "__main__":
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"""Converts a header dependency CSV file to Graphviz dot file.
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The header dependency CSV files are found on the directory
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libcxx/test/libcxx/transitive_includes
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"""
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parser = argparse.ArgumentParser(
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description="""Converts a libc++ dependency CSV file to a Graphviz dot file.
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For example:
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libcxx/utils/graph_header_deps.py libcxx/test/libcxx/transitive_includes/cxx20.csv | dot -Tsvg > graph.svg
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""",
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formatter_class=argparse.RawDescriptionHelpFormatter,
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)
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parser.add_argument(
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"input",
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default=None,
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metavar="FILE",
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help="The header dependency CSV file.",
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)
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options = parser.parse_args()
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print(
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"""digraph includes {
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graph [nodesep=0.5, ranksep=1];
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node [shape=box, width=4];"""
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)
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with open(options.input, "r") as f:
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for line in f.readlines():
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elements = line.rstrip().split(" ")
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assert len(elements) == 2
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print(f'\t"{elements[0]}" -> "{elements[1]}"')
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print("}")
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