src/mem/slicc/main.py

   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;
   9 # redistributions in binary form must reproduce the above copyright
  10 # notice, this list of conditions and the following disclaimer in the
  11 # documentation and/or other materials provided with the distribution;
  12 # neither the name of the copyright holders nor the names of its
  13 # contributors may be used to endorse or promote products derived from
  14 # this software without specific prior written permission.
  15 #
  16 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27
  28 from __future__ import print_function
  29
  30 import os
  31 import sys
  32
  33 from slicc.parser import SLICC
  34
  35 usage="%prog [options] <files> ... "
  36 version="%prog v0.4"
  37 brief_copyright='''
  38 Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
  39 Copyright (c) 2009 The Hewlett-Packard Development Company
  40 All Rights Reserved.
  41 '''
  42
  43 def nprint(format, *args):
  44     pass
  45
  46 def eprint(format, *args):
  47     if args:
  48         format = format % args
  49
  50     print(format, file=sys.stderr)
  51
  52 def 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
  98 if __name__ == "__main__":
  99     main()