Immediate.hh

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/*
    Copyright (c) 2002-2009 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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    the rights to use, copy, modify, merge, publish, distribute, sublicense,
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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
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/**
 * @file Immediate.hh
 *
 * Declaration of Immediate class.
 *
 * @author Ari Metsähalme 2005 (ari.metsahalme-no.spam-tut.fi)
 * @note rating: red
 */
 
#ifndef TTA_IMMEDIATE_HH
#define TTA_IMMEDIATE_HH
 
#include <memory>
 
#include "Exception.hh"
#include <memory>
 
namespace TTAMachine {
    class InstructionTemplate;
}
 
namespace TTAProgram {
 
class Terminal;
class TerminalImmediate;
class Instruction;
/**
 * Represents the long immediate value and its transport into a
 * dedicated register
 */
class Immediate {
public:
    Immediate(TerminalImmediate* value, Terminal* dst);
 
    virtual ~Immediate();
 
    const Terminal& destination() const;
 
    TerminalImmediate& value() const;
    void setValue(TerminalImmediate* value);
 
    std::shared_ptr<Immediate> copy() const;
 
    Instruction* parent() const { return parent_; }
    void setParent(Instruction* ins) { parent_ = ins; }
private:
    /// Copying not allowed.
    Immediate(const Immediate&);
    /// Assignment not allowed.
    Immediate& operator=(const Immediate&);
 
    /// Value of the immediate.
    TerminalImmediate* value_;
 
    /// The destination register.
    Terminal* dst_;
 
    /// Instruction which contains this immediate.
    Instruction* parent_;
};
 
}
 
#endif