ParseInstruction.hpp

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/******************************************************************************/
/* REXX Kernel                                           ParseInstruction.hpp */
/*                                                                            */
/* Primitive PARSE instruction Class Definitions                              */
/*                                                                            */
/******************************************************************************/
#ifndef Included_RexxInstructionParse
#define Included_RexxInstructionParse
 
#include "RexxInstruction.hpp"
#include "ParseTrigger.hpp"
 
#define parse_upper         0x01       /* doing a parse upper               */
#define parse_lower         0x02       /* doing a parse lower               */
#define parse_translate     0x03       /* translation options mask          */
#define parse_caseless      0x04       /* doing a caseless compare          */
 
#define parse_string_source i_ushort   /* source of the data                */
 
class RexxInstructionParse : 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 *) { }
 
  RexxInstructionParse(RexxObject *, unsigned short, size_t, size_t, RexxQueue *);
  inline RexxInstructionParse(RESTORETYPE restoreType) { ; };
  void execute(RexxActivation *, RexxExpressionStack *);
  void live(size_t);
  void liveGeneral(int reason);
  void flatten(RexxEnvelope*);
 
  int               stringSource;      // where the parsed data originates
  RexxObject       *expression;        /* parse value expression            */
  size_t            trigger_count;     /* number of triggers                */
  RexxTrigger *triggers[1];            /* parsing triggers                  */
};
#endif