DropInstruction.hpp

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/******************************************************************************/
/* REXX Kernel                                           DropInstruction.hpp  */
/*                                                                            */
/* Primitive DROP instruction Class Definitions                               */
/*                                                                            */
/******************************************************************************/
#ifndef Included_RexxInstructionDrop
#define Included_RexxInstructionDrop
 
#include "RexxInstruction.hpp"
                                       /* count of drop variables           */
class RexxInstructionDrop : 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 *) { }
 
 
  RexxInstructionDrop(size_t, RexxQueue *);
  inline RexxInstructionDrop(RESTORETYPE restoreType) { ; };
  void live(size_t);
  void liveGeneral(int reason);
  void flatten(RexxEnvelope*);
  void execute(RexxActivation *, RexxExpressionStack *);
 
  size_t            variableCount;     // count of dropped
  RexxVariableBase *variables[1];      // list of dropped variables
};
#endif