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# Copyright 2004-2006 The Regents of The University of Michigan
# Copyright 2010-20013 Advanced Micro Devices, Inc.
# Copyright 2013 Mark D. Hill and David A. Wood
# Copyright 2017-2020 ARM Limited
# Copyright 2021 Google, Inc.
#
# The license below extends only to copyright in the software and shall
# not be construed as granting a license to any other intellectual
# property including but not limited to intellectual property relating
# to a hardware implementation of the functionality of the software
# licensed hereunder. You may use the software subject to the license
# terms below provided that you ensure that this notice is replicated
# unmodified and in its entirety in all distributions of the software,
# modified or unmodified, in source code or in binary form.
#
# 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 argparse
import importlib
import os.path
import sys
import importer
from code_formatter import code_formatter
parser = argparse.ArgumentParser()
parser.add_argument('modpath', help='module the enum belongs to')
parser.add_argument('enum_hh', help='enum header file to generate')
args = parser.parse_args()
basename = os.path.basename(args.enum_hh)
enum_name = os.path.splitext(basename)[0]
importer.install()
module = importlib.import_module(args.modpath)
enum = getattr(module, enum_name)
code = code_formatter()
# Generate C++ class declaration for this enum type.
# Note that we wrap the enum in a class/struct to act as a namespace,
# so that the enum strings can be brief w/o worrying about collisions.
wrapper_name = enum.wrapper_name
wrapper = 'struct' if enum.wrapper_is_struct else 'namespace'
name = enum.__name__ if enum.enum_name is None else enum.enum_name
idem_macro = '__ENUM__%s__%s__' % (wrapper_name, name)
code('''\
#ifndef $idem_macro
#define $idem_macro
namespace gem5
{
''')
if enum.is_class:
code('''\
enum class $name
{
''')
else:
code('''\
$wrapper $wrapper_name {
enum $name
{
''')
code.indent(1)
code.indent(1)
for val in enum.vals:
code('$val = ${{enum.map[val]}},')
code('Num_$name = ${{len(enum.vals)}}')
code.dedent(1)
code('};')
if enum.is_class:
code('''\
extern const char *${name}Strings[static_cast<int>(${name}::Num_${name})];
''')
elif enum.wrapper_is_struct:
code('static const char *${name}Strings[Num_${name}];')
else:
code('extern const char *${name}Strings[Num_${name}];')
if not enum.is_class:
code.dedent(1)
code('}; // $wrapper_name')
code()
code('} // namespace gem5')
code()
code('#endif // $idem_macro')
code.write(args.enum_hh)