TerminalBasicBlockReference.cc

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/*
    Copyright (c) 2002-2011 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
    Permission is hereby granted, free of charge, to any person obtaining a
    copy of this software and associated documentation files (the "Software"),
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    Software is furnished to do so, subject to the following conditions:
 
    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.
 
    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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/**
 * @file TerminalBasicBlockReference.cc
 *
 * Implementation of TerminalBasicBlockReference class.
 *
 * @author Heikki Kultala 2011 (hkultala-at-cs.tut.fi)
 * @note rating: red
 */
 
#include "TerminalBasicBlockReference.hh"
#include "BasicBlock.hh"
#include "TerminalInstructionReference.hh"
 
namespace TTAProgram {
TerminalBasicBlockReference::TerminalBasicBlockReference(
    const BasicBlock& bb) : 
    TerminalImmediate(
        SimValue(bb.startAddress().location(), WORD_BITWIDTH)),
    bb_(&bb) {}
    
Terminal* 
TerminalBasicBlockReference::copy() const { 
    return new TerminalBasicBlockReference(*bb_); }
 
bool
TerminalBasicBlockReference::equals(const Terminal& other) const {
    const TerminalBasicBlockReference* otherBBRef = 
        dynamic_cast<const TerminalBasicBlockReference*>(&other);
    if (otherBBRef) {
        return otherBBRef->bb_ == bb_;
    }
 
    const TerminalInstructionReference* otherInsRef =
        dynamic_cast<const TerminalInstructionReference*>(&other);
    if (otherInsRef) {
        return &otherInsRef->instructionReference().instruction() ==
            &(bb_->firstInstruction());
    }
    return false;
}
 
SimValue 
TerminalBasicBlockReference::value() const {
    return SimValue(bb_->startAddress().location(), WORD_BITWIDTH);
}
}