MachineInstruction.cpp

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/* src/vm/jit/compiler2/MachineInstruction.cpp - MachineInstruction

   Copyright (C) 2013
   CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO

   This file is part of CACAO.

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License as
   published by the Free Software Foundation; either version 2, or (at
   your option) any later version.

   This program is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
   02110-1301, USA.

*/

#include "vm/jit/compiler2/MachineInstruction.hpp"
#include "vm/jit/compiler2/Instructions.hpp"
#include "vm/jit/compiler2/MachineBasicBlock.hpp"

#include "toolbox/OStream.hpp"

#define DEBUG_NAME "compiler2/MachineInstruction"

namespace cacao {
namespace jit {
namespace compiler2 {

std::size_t MachineInstruction::id_counter = 0;

OStream& MachineInstruction::print(OStream &OS) const {
    // print id
    OS << "[" << setw(4) << fillzero << get_id() << "] ";
    // print name
    OS << get_name();
    // print operands
    OS << " ";
    OS = print_operands(OS);
    // print result
    MachineOperand *result = get_result().op;
    if (!result->to_VoidOperand()) {
        OS << " -> ";
        OS = print_result(OS);
    }
    // print successors
    if (!successor_empty()) {
        OS << " [";
        std::size_t index = 0;
        for (const_successor_iterator i = successor_begin(), e = successor_end();
                i != e; ++i) {
            print_successor_label(OS,index) << "=" << **i << " ";
            ++index;
        }
        OS << "]";
    }
    if (comment) {
        OS << " # " << comment;
    }
    return OS;
}

OStream& MachineInstruction::print_result(OStream &OS) const {
    return OS << get_result().op;
}

OStream& MachineInstruction::print_operands(OStream &OS) const {
    for (MachineInstruction::const_operand_iterator i = begin(),
            e = end(); i != e ; ++i) {
        OS << (*i) << " ";
    }
    return OS;
}

OStream& MachineInstruction::print_successor_label(OStream &OS,std::size_t index) const {
    return OS << index;
}

void MachineInstruction::emit(CodeMemory* CM) const {
    ABORT_MSG("emit not yet implemented", "emit for " << this << " is not yet implemented");
}

void MachineInstruction::link(CodeFragment &CF) const {
    ABORT_MSG("link not implemented", "link for "
        << this << " is not implemented");
}

OStream& operator<<(OStream &OS, const MachineInstruction *MI) {
    if (!MI) {
        return OS << "(MachineInstruction) NULL";
    }
    return OS << *MI;
}
OStream& operator<<(OStream &OS, const MachineInstruction &MI) {
    return MI.print(OS);
}

OStream& operator<<(OStream &OS, const MachineOperandDesc *MOD) {
    if (!MOD) {
        return OS << "(MachineOperandDesc) NULL";
    }
    return OS << *MOD;
}
OStream& operator<<(OStream &OS, const MachineOperandDesc &MOD) {
    return OS << MOD.op;
}

} // end namespace compiler2
} // end namespace jit
} // end namespace cacao


/*
 * These are local overrides for various environment variables in Emacs.
 * Please do not remove this and leave it at the end of the file, where
 * Emacs will automagically detect them.
 * ---------------------------------------------------------------------
 * Local variables:
 * mode: c++
 * indent-tabs-mode: t
 * c-basic-offset: 4
 * tab-width: 4
 * End:
 * vim:noexpandtab:sw=4:ts=4:
 */