SignalInstruction.hpp

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/******************************************************************************/
/* REXX Kernel                                          SignalInstruction.hpp */
/*                                                                            */
/* Primitive SIGNAL instruction Class Definitions                             */
/*                                                                            */
/******************************************************************************/
#ifndef Included_RexxInstructionSignal
#define Included_RexxInstructionSignal
 
#include "RexxInstruction.hpp"
#include "CallInstruction.hpp"
 
#define signal_on        0x01          /* doing a signal on                 */
 
class RexxInstructionSignal : public RexxInstructionCallBase {
 public:
  inline void *operator new(size_t size, void *ptr) {return ptr;}
  inline void  operator delete(void *) { }
  inline void  operator delete(void *, void *) { }
 
  RexxInstructionSignal(RexxObject *, RexxString *, RexxString *, size_t);
  inline RexxInstructionSignal(RESTORETYPE restoreType) { ; };
  void execute(RexxActivation *, RexxExpressionStack *);
  void live(size_t);
  void liveGeneral(int reason);
  void flatten(RexxEnvelope*);
  void resolve (RexxDirectory *);
  void trap (RexxActivation *, RexxDirectory *);
 
  RexxInstruction *target;             /* label to signal                   */
  RexxString      *name;               /* name of the label to signal       */
  RexxString      *condition;          /* condition trap name               */
  RexxObject      *expression;         /* SIGNAL VALUE expression           */
};
#endif