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Copy pathamalgamate.py
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executable file
·58 lines (45 loc) · 2.07 KB
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#!/usr/bin/python3
# amalgamate.py
# Written by Evan Nemerson <evan@nemerson.com>
#
# To the extent possible under law, the author(s) have dedicated all
# copyright and related and neighboring rights to this software to
# the public domain worldwide. This software is distributed without
# any warranty.
#
# For details, see <http://creativecommons.org/publicdomain/zero/1.0/>.
# SPDX-License-Identifier: CC0-1.0
# Quick and dirty script to amalgamate C into a single file. Includes
# using angle brackets (#include <foo.h>) will be preserved, but for
# includes using double quotes (#include "foo.h") the file will be
# included by this script.
#
# If you make any improvements please report them in the SIMDe issue
# tracker at <https://github.com/nemequ/simde/issues> or directly to
# the author so they can be merged back into the original version.
import sys, re, os, subprocess
amalgamate_include = re.compile('^\\s*#\\s*include\\s+\\"([^)]+)\\"\\s$')
already_included = []
def amalgamate(filename, stream):
full_path = os.path.realpath(os.path.realpath(filename))
srcdir = os.path.dirname(full_path)
if full_path not in already_included:
already_included.insert(-1, full_path)
with open(filename) as input_file:
stream.write('/* :: Begin ' + os.path.relpath(full_path) + ' :: */\n')
for source_line in input_file:
a9e_inc_m = amalgamate_include.match(source_line)
if a9e_inc_m:
amalgamate(os.path.join(srcdir, a9e_inc_m.group(1)), stream)
else:
stream.write(source_line)
stream.write('/* :: End ' + os.path.relpath(full_path) + ' :: */\n')
if len(sys.argv) != 2:
sys.stderr.write("USAGE: " + sys.argv[0] + ' SOURCE_FILE\n\n')
sys.stderr.write("This will print a copy of $SOURCE_FILE to stdout, while replacing\n")
sys.stderr.write("all '#include AMALGAMATE(file)' lines with copies of file.\n")
sys.exit(1)
print('/* AUTOMATICALLY GENERATED FILE, DO NOT MODIFY */')
git_id = subprocess.check_output(["git", "rev-parse", "HEAD"]).decode().strip()
print("/* {:s} */".format(git_id))
amalgamate(sys.argv[1], sys.stdout)