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