px4-firmware/Tools/px_process_events.py

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#!/usr/bin/env python
############################################################################
#
# Copyright (C) 2020 PX4 Development Team. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# 3. Neither the name PX4 nor the names of its contributors may be
# used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
############################################################################
#
# PX4 events processor (main executable file)
#
# This tool scans the PX4 source code for definitions of events.
#
import sys
import os
import argparse
from px4events import srcscanner, srcparser, jsonout
import re
import codecs
def main():
# Parse command line arguments
parser = argparse.ArgumentParser(description="Process events definitions.")
parser.add_argument("-s", "--src-path",
default=["../src"],
metavar="PATH",
nargs='*',
help="one or more paths/files to source files to scan for events")
parser.add_argument("-j", "--json",
nargs='?',
const="events.json",
metavar="FILENAME",
help="Create Json output file"
" (default FILENAME: events.json)")
parser.add_argument('-v', '--verbose',
action='store_true',
help="verbose output")
args = parser.parse_args()
# Check for valid command
if not (args.json):
print("Error: You need to specify at least one output method!")
parser.print_usage()
sys.exit(1)
# Initialize source scanner and parser
scanner = srcscanner.SourceScanner()
parser = srcparser.SourceParser()
# Scan directories, and parse the files
if args.verbose:
print("Scanning source path/files " + str(args.src_path))
# canonicalize + remove duplicates
src_paths = set()
for path in args.src_path:
src_paths.add(os.path.realpath(path))
if not scanner.ScanDir(src_paths, parser):
sys.exit(1)
events = parser.events
# Output to JSON file
if args.json:
if args.verbose: print("Creating Json file " + args.json)
cur_dir = os.path.dirname(os.path.realpath(__file__))
out = jsonout.JsonOutput(events)
out.save(args.json)
if __name__ == "__main__":
main()