1# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
2# Copyright (c) 2009 The Hewlett-Packard Development Company
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions are
7# met: redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer;

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27
28from __future__ import print_function
29
30import os
31import sys
32
33from slicc.parser import SLICC
34
35usage="%prog [options] <files> ... "
36version="%prog v0.4"
37brief_copyright='''
38Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
39Copyright (c) 2009 The Hewlett-Packard Development Company
40All Rights Reserved.
41'''
42
43def nprint(format, *args):
44 pass
45
46def eprint(format, *args):
47 if args:
48 format = format % args
49
50 print(format, file=sys.stderr)
51
52def main(args=None):
53 import optparse
54
55 parser = optparse.OptionParser(usage=usage, version=version,
56 description=brief_copyright)
57 parser.add_option("-d", "--debug", default=False, action="store_true",
58 help="Turn on PLY debugging")
59 parser.add_option("-C", "--code-path", default="generated",
60 help="Path where C++ code output code goes")
61 parser.add_option("-H", "--html-path",
62 help="Path where html output goes")
63 parser.add_option("-F", "--print-files",
64 help="Print files that SLICC will generate")
65 parser.add_option("--tb", "--traceback", action='store_true',
66 help="print traceback on error")
67 parser.add_option("-q", "--quiet",
68 help="don't print messages")
69 opts,files = parser.parse_args(args=args)
70
71 if len(files) != 1:
72 parser.print_help()
73 sys.exit(2)
74
75 output = nprint if opts.quiet else eprint
76
77 output("SLICC v0.4")
78 output("Parsing...")
79
80 slicc = SLICC(files[0], verbose=True, debug=opts.debug, traceback=opts.tb)
81
82 if opts.print_files:
83 for i in sorted(slicc.files()):
84 print(' %s' % i)
85 else:
86 output("Processing AST...")
87 slicc.process()
88
89 output("Writing C++ files...")
90 slicc.writeCodeFiles(opts.code_path)
91
92 if opts.html_path:
93 output("Writing HTML files...")
94 slicc.writeHTMLFiles(opts.html_path)
95
96 output("SLICC is Done.")
97
98if __name__ == "__main__":
99 main()