# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
# Copyright (c) 2009 The Hewlett-Packard Development Company
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

import os
import sys

from slicc.parser import SLICC

usage = "%prog [options] <slicc file> ... "
version = "%prog v0.4"
brief_copyright = """
Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
Copyright (c) 2009 The Hewlett-Packard Development Company
All Rights Reserved.
"""
help_details = """This is intended to be used to process slicc files as a
standalone script. This script assumes that it is running in a directory under
gem5/ (e.g., gem5/temp). It takes a single argument: The path to a *.slicc
file. By default it generates the C++ code in the directory generated/. This
script can also generate the html SLICC output. See src/mem/slicc/main.py for
more details."""


def nprint(format, *args):
    pass


def eprint(format, *args):
    if args:
        format = format % args

    print(format, file=sys.stderr)


def main(args=None):
    import optparse

    parser = optparse.OptionParser(
        usage=usage,
        version=version,
        epilog=help_details,
        description=brief_copyright,
    )
    parser.add_option(
        "-d",
        "--debug",
        default=False,
        action="store_true",
        help="Turn on PLY debugging",
    )
    parser.add_option(
        "-C",
        "--code-path",
        default="generated",
        help="Path where C++ code output code goes",
    )
    parser.add_option("-H", "--html-path", help="Path where html output goes")
    parser.add_option(
        "-F",
        "--print-files",
        action="store_true",
        help="Print files that SLICC will generate",
    )
    parser.add_option(
        "--tb",
        "--traceback",
        action="store_true",
        help="print traceback on error",
    )
    parser.add_option("-q", "--quiet", help="don't print messages")
    opts, files = parser.parse_args(args=args)

    if len(files) != 1:
        parser.print_help()
        sys.exit(2)

    slicc_file = files[0]
    if not slicc_file.endswith(".slicc"):
        print("Must specify a .slicc file with a list of state machine files")
        parser.print_help()
        sys.exit(2)

    output = nprint if opts.quiet else eprint

    output("SLICC v0.4")
    output("Parsing...")

    protocol_base = os.path.join(
        os.path.dirname(__file__), "..", "ruby", "protocol"
    )
    slicc = SLICC(
        slicc_file,
        protocol_base,
        verbose=True,
        debug=opts.debug,
        traceback=opts.tb,
    )

    if opts.print_files:
        for i in sorted(slicc.files()):
            print("    %s" % i)
    else:
        output("Processing AST...")
        slicc.process()

        if opts.html_path:
            output("Writing HTML files...")
            slicc.writeHTMLFiles(opts.html_path)

        output("Writing C++ files...")
        slicc.writeCodeFiles(opts.code_path, [])

    output("SLICC is Done.")


if __name__ == "__main__":
    main()