TraceInstruction.hpp

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/******************************************************************************/
/* REXX Kernel                                           TraceInstruction.hpp */
/*                                                                            */
/* Primitive TRACE instruction Class Definitions                              */
/*                                                                            */
/******************************************************************************/
#ifndef Included_RexxInstructionTrace
#define Included_RexxInstructionTrace
 
#include "RexxInstruction.hpp"
 
class RexxInstructionTrace : public RexxInstruction {
public:
    inline void *operator new(size_t size, void *ptr) {return ptr;}
    inline void  operator delete(void *) { }
    inline void  operator delete(void *, void *) { }
 
    RexxInstructionTrace(RexxObject *, size_t, size_t, wholenumber_t);
    inline RexxInstructionTrace(RESTORETYPE restoreType) { ; };
    void live(size_t);
    void liveGeneral(int reason);
    void flatten(RexxEnvelope*);
    void execute(RexxActivation *, RexxExpressionStack *);
 
protected:
    RexxObject *expression;              /* trace value expression            */
    wholenumber_t debugskip;             /* clauses to skip                   */
    size_t      traceSetting;            // new trace setting
    size_t      traceFlags;              // optimized trace flags when statically defined
};
#endif