2 # Copyright (c) 2016 Comcast Cable Communications Management, LLC.
4 # Licensed under the Apache License, Version 2.0 (the "License");
5 # you may not use this file except in compliance with the License.
6 # You may obtain a copy of the License at:
8 # http://www.apache.org/licenses/LICENSE-2.0
10 # Unless required by applicable law or agreed to in writing, software
11 # distributed under the License is distributed on an "AS IS" BASIS,
12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 # See the License for the specific language governing permissions and
14 # limitations under the License.
16 # Looks for preprocessor macros with struct initializers and siphons them
17 # off into another file for later parsing; ostensibly to generate
18 # documentation from struct initializer data.
20 import os, sys, argparse, logging
23 DEFAULT_LOGFILE = None
24 DEFAULT_LOGLEVEL = "info"
25 DEFAULT_OUTPUT = "build-root/docs/siphons"
26 DEFAULT_PREFIX = os.getcwd()
28 ap = argparse.ArgumentParser()
29 ap.add_argument("--log-file", default=DEFAULT_LOGFILE,
30 help="Log file [%s]" % DEFAULT_LOGFILE)
31 ap.add_argument("--log-level", default=DEFAULT_LOGLEVEL,
32 choices=["debug", "info", "warning", "error", "critical"],
33 help="Logging level [%s]" % DEFAULT_LOGLEVEL)
35 ap.add_argument("--output", '-o', metavar="directory", default=DEFAULT_OUTPUT,
36 help="Output directory for .siphon files [%s]" % DEFAULT_OUTPUT)
37 ap.add_argument("--input-prefix", metavar="path", default=DEFAULT_PREFIX,
38 help="Prefix to strip from input pathnames [%s]" % DEFAULT_PREFIX)
39 ap.add_argument("input", nargs='+', metavar="input_file",
40 help="Input C source files")
41 args = ap.parse_args()
43 logging.basicConfig(filename=args.log_file,
44 level=getattr(logging, args.log_level.upper(), None))
45 log = logging.getLogger("siphon_generate")
48 generate = siphon.generate.Generate(output_directory=args.output,
49 input_prefix=args.input_prefix)
51 # Pre-process file names in case they indicate a file with
54 for filename in args.input:
55 if filename.startswith('@'):
56 with open(filename[1:], 'r') as fp:
57 lines = fp.readlines()
64 if filename not in files:
65 files.append(filename)
67 # Iterate all the input files we've been given
68 for filename in files:
69 generate.parse(filename)
71 # Write the extracted data