FSAFUResourceConflictDetectorPimpl.hh

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/*
    Copyright (c) 2002-2009 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
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/**
 * @file FSAFUResourceConflictDetectorPimpl.hh
 *
 * Declaration of FSAFUResourceConflictDetectorPimpl (private implementation)
 * class.
 *
 * @author Viljami Korhonen 2008 (viljami.korhonen-no.spam-tut.fi)
 * @note rating: red
 */
 
#ifndef FSA_FU_RESOURCE_CONFLICT_DETECTOR_PIMPL_HH
#define FSA_FU_RESOURCE_CONFLICT_DETECTOR_PIMPL_HH
 
#include <string>
 
#include "Exception.hh"
#include "FUResourceConflictDetector.hh"
#include "FUFiniteStateAutomaton.hh"
#include "FSAFUResourceConflictDetector.hh"
 
namespace TTAMachine {
    class FunctionUnit;
}
 
class FSAFUResourceConflictDetectorPimpl {
public:
    friend class FSAFUResourceConflictDetector;
    ~FSAFUResourceConflictDetectorPimpl();
private:
    FSAFUResourceConflictDetectorPimpl(const TTAMachine::FunctionUnit& fu);
    /// Copying not allowed.
    FSAFUResourceConflictDetectorPimpl(
        const FSAFUResourceConflictDetectorPimpl&);
    /// Assignment not allowed.
    FSAFUResourceConflictDetectorPimpl& operator=(
        const FSAFUResourceConflictDetectorPimpl&);
    
    /// The FSA.
    FUFiniteStateAutomaton fsa_;
    /// Current state of the FSA.
    FiniteStateAutomaton::FSAStateIndex currentState_;
    /// The next state of the FSA (move to currentState in cycle advance).
    FiniteStateAutomaton::FSAStateIndex nextState_;
    /// True if operation was issued at the current cycle.
    bool operationIssued_;
    /// The transition index of a NOP operation.
    const FiniteStateAutomaton::FSAStateTransitionIndex NOP;
    /// The name of the FU that is being simulated (for debugging).
    const std::string fuName_;
};
 
#endif