stil2wavepatterneval.h

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#ifndef STIL2WAVEPATTERNEVAL_H
#define STIL2WAVEPATTERNEVAL_H

#include <vector>
#include <map>

#include "stilpatterneval.h"
#include "stilsigrefexpr.h"

//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
class STIL2WAVEPatternEval : public STILPatternEval
{
  public:

    ~STIL2WAVEPatternEval() { }

    // These overloaded the default base implementation:
    void init();
    void processVector(const STILVector*);
    void processVectorEnd(const STILVector*);
    void processCondition(const STILCondition*);
    void processConditionEnd(const STILCondition*);
    void processShift(const STILShift*);
    void processShiftEnd(const STILShift*);

    void processVectorItem(const STILVectorItem*);
    void processWaveformTableRef(const sstring &);

  private:

    // private member funcs:

    // Process "generic" vector block data (conditions, vectors, etc)
    void processVectorBlock(const STILVectorBlock*);
    void processVectorBlockEnd(const STILVectorBlock*);

    // generate VCD signal names/mappings
    void genSigs();

    // Map a STIL event to a VCD event
    sstring  mapEvent2Char(const STILEvent & genEvent);

    // A SigRefExpr representing the list of signals that may have WFC data
    void genValidSignalSigRef();

    // Convert the buffered WFC data into WFCS (excludes any Signals that may not
    //  have Pattern data)
    void genWFCS();

    // private data:

    // maps int STIL sig id to VCD character id
    std::vector<sstring> m_stilsig2vcdsig;

    // flag: is this the first vector we have processed?
    // (for determing the list of signals that may be used in the Pattern block)
    bool m_firstVec;

    // Buffer of WFC's per pin
    sstring m_wfcBuff;

    // Similar to m_wfcBuff, but with unused signals removed
    sstring m_wfcs;

    // A SigRefExpr containing all signals that may be used in this Pattern
    // (determined by the first vector block statement)
    STILSigRefExpr m_validSignals;


    LONG m_numSigs; // total # signals in Signals block

    LONG m_cycT0;   // time at the beginning of the current cycle
    LONG m_period;  // period of the cycle (specified in the waveformtable)
    const STILTiming * m_pTiming; // Ptr to the timing block
    bool m_conditionVec; // true if current vector block is a condition
    bool m_shiftVec;     // true if in a shift block

    // Some stat info for output
    LONG m_totalShiftCnt;
    LONG m_currShiftCnt;
    LONG m_shiftBlockNum;
    LONG m_lineCnt;

};


#endif

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This page last updated on 6 Jul 2007