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# Copyright (C) 2014-2016 Intel Corporation. All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice (including the next
# paragraph) shall be included in all copies or substantial portions of the
# Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
# Python source
from __future__ import print_function
import os
import sys
import re
from gen_common import *
def parse_event_fields(lines, idx, event_dict):
field_names = []
field_types = []
end_of_event = False
num_fields = 0
# record all fields in event definition.
# note: we don't check if there's a leading brace.
while not end_of_event and idx < len(lines):
line = lines[idx].rstrip()
idx += 1
field = re.match(r'(\s*)(\w+)(\s*)(\w+)', line)
if field:
field_types.append(field.group(2))
field_names.append(field.group(4))
num_fields += 1
end_of_event = re.match(r'(\s*)};', line)
event_dict['field_types'] = field_types
event_dict['field_names'] = field_names
event_dict['num_fields'] = num_fields
return idx
def parse_enums(lines, idx, event_dict):
enum_names = []
end_of_enum = False
# record all enum values in enumeration
# note: we don't check if there's a leading brace.
while not end_of_enum and idx < len(lines):
line = lines[idx].rstrip()
idx += 1
preprocessor = re.search(r'#if|#endif', line)
if not preprocessor:
enum = re.match(r'(\s*)(\w+)(\s*)', line)
if enum:
enum_names.append(line)
end_of_enum = re.match(r'(\s*)};', line)
event_dict['names'] = enum_names
return idx
def parse_protos(protos, filename):
with open(filename, 'r') as f:
lines=f.readlines()
idx = 0
eventId = 0
raw_text = []
while idx < len(lines):
line = lines[idx].rstrip()
idx += 1
# search for event definitions.
match = re.match(r'(\s*)event(\s*)(\w+)', line)
if match:
eventId += 1
event_name = match.group(3)
protos['event_names'].append(event_name)
protos['events'][event_name] = {}
protos['events'][event_name]['event_id'] = eventId
idx = parse_event_fields(lines, idx, protos['events'][event_name])
# search for enums.
match = re.match(r'(\s*)enum(\s*)(\w+)', line)
if match:
enum_name = match.group(3)
protos['enum_names'].append(enum_name)
protos['enums'][enum_name] = {}
idx = parse_enums(lines, idx, protos['enums'][enum_name])
def main():
# Parse args...
parser = ArgumentParser()
parser.add_argument('--proto', '-p', help='Path to proto file', required=True)
parser.add_argument('--proto_private', '-pp', help='Path to private proto file', required=True)
parser.add_argument('--output', '-o', help='Output filename (i.e. event.hpp)', required=True)
parser.add_argument('--gen_event_hpp', help='Generate event header', action='store_true', default=False)
parser.add_argument('--gen_event_cpp', help='Generate event cpp', action='store_true', default=False)
parser.add_argument('--gen_eventhandler_hpp', help='Generate eventhandler header', action='store_true', default=False)
parser.add_argument('--gen_eventhandlerfile_hpp', help='Generate eventhandler header for writing to files', action='store_true', default=False)
args = parser.parse_args()
proto_filename = args.proto
proto_private_filename = args.proto_private
(output_dir, output_filename) = os.path.split(args.output)
if not output_dir:
output_dir = '.'
#print('output_dir = %s' % output_dir, file=sys.stderr)
#print('output_filename = %s' % output_filename, file=sys.stderr)
if not os.path.exists(proto_filename):
print('Error: Could not find proto file %s' % proto_filename, file=sys.stderr)
return 1
if not os.path.exists(proto_private_filename):
print('Error: Could not find private proto file %s' % proto_private_filename, file=sys.stderr)
return 1
final_output_dir = output_dir
MakeDir(final_output_dir)
output_dir = MakeTmpDir('_codegen')
protos = {}
protos['events'] = {} # event dictionary containing events with their fields
protos['event_names'] = [] # needed to keep events in order parsed. dict is not ordered.
protos['enums'] = {}
protos['enum_names'] = []
parse_protos(protos, proto_filename)
parse_protos(protos, proto_private_filename)
rval = 0
try:
# Generate event header
if args.gen_event_hpp:
curdir = os.path.dirname(os.path.abspath(__file__))
template_file = os.sep.join([curdir, 'templates', 'gen_ar_event.hpp'])
output_fullpath = os.sep.join([output_dir, output_filename])
MakoTemplateWriter.to_file(template_file, output_fullpath,
cmdline=sys.argv,
filename=output_filename,
protos=protos)
# Generate event implementation
if args.gen_event_cpp:
curdir = os.path.dirname(os.path.abspath(__file__))
template_file = os.sep.join([curdir, 'templates', 'gen_ar_event.cpp'])
output_fullpath = os.sep.join([output_dir, output_filename])
MakoTemplateWriter.to_file(template_file, output_fullpath,
cmdline=sys.argv,
filename=output_filename,
protos=protos)
# Generate event handler header
if args.gen_eventhandler_hpp:
curdir = os.path.dirname(os.path.abspath(__file__))
template_file = os.sep.join([curdir, 'templates', 'gen_ar_eventhandler.hpp'])
output_fullpath = os.sep.join([output_dir, output_filename])
MakoTemplateWriter.to_file(template_file, output_fullpath,
cmdline=sys.argv,
filename=output_filename,
event_header='gen_ar_event.hpp',
protos=protos)
# Generate event handler header
if args.gen_eventhandlerfile_hpp:
curdir = os.path.dirname(os.path.abspath(__file__))
template_file = os.sep.join([curdir, 'templates', 'gen_ar_eventhandlerfile.hpp'])
output_fullpath = os.sep.join([output_dir, output_filename])
MakoTemplateWriter.to_file(template_file, output_fullpath,
cmdline=sys.argv,
filename=output_filename,
event_header='gen_ar_eventhandler.hpp',
protos=protos)
rval = CopyDirFilesIfDifferent(output_dir, final_output_dir)
except:
rval = 1
finally:
DeleteDirTree(output_dir)
return rval
if __name__ == '__main__':
sys.exit(main())
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