// -*- mode:c++ -*-

// Copyright (c) 2007 The Hewlett-Packard Development Company
// All rights reserved.
//
// Redistribution and use of this software in source and binary forms,
// with or without modification, are permitted provided that the
// following conditions are met:
//
// The software must be used only for Non-Commercial Use which means any
// use which is NOT directed to receiving any direct monetary
// compensation for, or commercial advantage from such use.  Illustrative
// examples of non-commercial use are academic research, personal study,
// teaching, education and corporate research & development.
// Illustrative examples of commercial use are distributing products for
// commercial advantage and providing services using the software for
// commercial advantage.
//
// If you wish to use this software or functionality therein that may be
// covered by patents for commercial use, please contact:
//     Director of Intellectual Property Licensing
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//
// Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.  Redistributions
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// the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.  No right of
// sublicense is granted herewith.  Derivatives of the software and
// output created using the software may be prepared, but only for
// Non-Commercial Uses.  Derivatives of the software may be shared with
// others provided: (i) the others agree to abide by the list of
// conditions herein which includes the Non-Commercial Use restrictions;
// and (ii) such Derivatives of the software include the above copyright
// notice to acknowledge the contribution from this software where
// applicable, this list of conditions and the disclaimer below.
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// 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
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// Authors: Gabe Black

let {{
    # This will be populated with mappings between microop mnemonics and
    # the classes that represent them.
    microopClasses = {}
}};

//////////////////////////////////////////////////////////////////////////
//
// Base class for the python representation of x86 microops
//
//////////////////////////////////////////////////////////////////////////

let {{
    class X86Microop(object):
 
        generatorNameTemplate = "generate_%s_%d"

        generatorTemplate = '''
            StaticInstPtr
            ''' + generatorNameTemplate + '''(StaticInstPtr curMacroop)
            {
                static const char * mnemonic = romMnemonic;
                static const ExtMachInst dummyExtMachInst;
                static const EmulEnv dummyEmulEnv(0, 0, 1, 1, 1);

                Macroop * macroop = dynamic_cast<Macroop *>(curMacroop.get());
                const ExtMachInst &machInst =
                    macroop ? macroop->getExtMachInst() : dummyExtMachInst;
                const EmulEnv &env =
                    macroop ? macroop->getEmulEnv() : dummyEmulEnv;
                // env may not be used in the microop's constructor.
                RegIndex reg = env.reg;
                reg = reg;
                return %s;
            }
        '''

        def __init__(self, name):
            self.name = name

        # This converts a python bool into a C++ bool
        def cppBool(self, val):
            if val:
                return "true"
            else:
                return "false"

        # This converts a list of python bools into
        # a comma seperated list of C++ bools.
        def microFlagsText(self, vals):
            text = ""
            for val in vals:
                text += ", %s" % self.cppBool(val)
            return text

        def getAllocator(self, mnemonic, *microFlags):
            return 'new %s(machInst, %s)' % \
                (self.className, mnemonic, self.microFlagsText(microFlags))

        def getGeneratorDef(self, micropc):
            return self.generatorTemplate % \
                (self.className, micropc, \
                 self.getAllocator(True, False, False, False))

        def getGenerator(self, micropc):
            return self.generatorNameTemplate % (self.className, micropc)
}};