blob: 726d634607e9ba4bde4a24075e90a7c144258aa0 [file] [log] [blame]
#!/usr/bin/env python
# -*- Mode: python; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option) any
# later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright (C) 2013-2018 Aleksander Morgado <aleksander@gnu.org>
#
import os
import sys
import optparse
import json
from ObjectList import ObjectList
import utils
def codegen_main():
# Input arguments
arg_parser = optparse.OptionParser('%prog [options]')
arg_parser.add_option('', '--input', metavar='JSONFILE',
help='Input JSON-formatted database')
arg_parser.add_option('', '--output', metavar='OUTFILES',
help='Generate C code in OUTFILES.[ch]')
(opts, args) = arg_parser.parse_args();
if opts.input == None:
raise RuntimeError('Input JSON file is mandatory')
if opts.output == None:
raise RuntimeError('Output file pattern is mandatory')
# Prepare output file names
output_file_c = open(opts.output + ".c", 'w')
output_file_h = open(opts.output + ".h", 'w')
output_file_sections = open(opts.output + ".sections", 'w')
# Load database file contents
database_file_contents = utils.read_json_file(opts.input)
# Build message list
object_list_json = json.loads(database_file_contents)
object_list = ObjectList(object_list_json)
# Add common stuff to the output files
utils.add_copyright(output_file_c);
utils.add_copyright(output_file_h);
utils.add_header_start(output_file_h, os.path.basename(opts.output))
utils.add_source_start(output_file_c, os.path.basename(opts.output))
# Emit the message creation/parsing code
object_list.emit(output_file_h, output_file_c)
# Emit the message printable support
object_list.emit_printable(output_file_h, output_file_c)
# Emit sections
object_list.emit_sections(output_file_sections)
utils.add_header_stop(output_file_h, os.path.basename(opts.output))
output_file_c.close()
output_file_h.close()
output_file_sections.close()
sys.exit(0)
if __name__ == "__main__":
codegen_main()