MessageInstruction.hpp

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/******************************************************************************/
/* REXX Kernel                                      MessageInstruction.hpp    */
/*                                                                            */
/* Primitive Parse Message Instruction Class Definitions                      */
/*                                                                            */
/******************************************************************************/
#ifndef Included_RexxInstructionMessage
#define Included_RexxInstructionMessage
 
#include "RexxInstruction.hpp"
 
#define message_i_double  0x01         /* message is the double form        */
 
class RexxInstructionMessage : 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 *) { }
 
  RexxInstructionMessage(RexxExpressionMessage *);
  RexxInstructionMessage(RexxExpressionMessage *, RexxObject *);
  inline RexxInstructionMessage(RESTORETYPE restoreType) { ; };
  void live(size_t);
  void liveGeneral(int reason);
  void flatten(RexxEnvelope *);
  void execute(RexxActivation *, RexxExpressionStack *);
 
  RexxString *name;                    /* name of the message               */
  RexxObject *target;                  /* target subexpression              */
  RexxObject *super;                   /* super class target                */
  size_t      argumentCount;           // number of positional arguments
  size_t      namedArgumentCount;      // number of named arguments
 
  // positional arguments (1 entry per arg: expression) : from 0 to argumentCount-1
  // followed by named arguments (2 entries per arg: name, expression) : from argumentCount to argumentCount + (2 * namedArgumentCount)-1
  RexxObject *arguments[1];            /* list of argument subexpressions   */
};
#endif