IfInstruction.hpp

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/******************************************************************************/
/* REXX Kernel                                             IfInstruction.hpp  */
/*                                                                            */
/* Primitive IF instruction Class Definitions                                 */
/*                                                                            */
/******************************************************************************/
#ifndef Included_RexxInstructionIf
#define Included_RexxInstructionIf
 
#include "RexxInstruction.hpp"
#include "EndIf.hpp"
 
class RexxInstructionIf : public RexxInstructionSet {
 public:
  inline void *operator new(size_t size, void *ptr) {return ptr;}
  inline void operator delete(void *) { }
  inline void operator delete(void *, void *) { }
 
  RexxInstructionIf(RexxObject *, RexxToken *);
  inline RexxInstructionIf(RESTORETYPE restoreType) { ; };
  void live(size_t);
  void liveGeneral(int reason);
  void flatten(RexxEnvelope*);
  void execute(RexxActivation *, RexxExpressionStack *);
  void setEndInstruction(RexxInstructionEndIf *);
  inline void fixWhen(RexxInstructionEndIf *partner) { this->else_location->setEndInstruction(partner); };
 
  RexxObject           *condition;     /* condition expression to evaluate  */
  RexxInstructionEndIf *else_location; /* else instruction to process       */
};
#endif