ExpressionVariable.hpp

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/******************************************************************************/
/* REXX Kernel                                      ExpressionVariable.hpp    */
/*                                                                            */
/* Primitive Expression Variable Class Definitions                            */
/*                                                                            */
/******************************************************************************/
#ifndef Included_RexxParseVariable
#define Included_RexxParseVariable
 
#include "ExpressionBaseVariable.hpp"
 
class RexxParseVariable : public RexxVariableBase {
 public:
  void *operator new(size_t);
  inline void *operator new(size_t size, void *ptr) {return ptr;};
  inline void  operator delete(void *) { ; }
  inline void  operator delete(void *, void *) { ; }
 
  inline RexxParseVariable(RESTORETYPE restoreType) { ; };
  RexxParseVariable(RexxString *, size_t);
  void live(size_t);
  void liveGeneral(int reason);
  void flatten(RexxEnvelope *);
  RexxObject *evaluate(RexxActivation *, RexxExpressionStack *);
  RexxObject *getValue(RexxVariableDictionary *);
  RexxObject *getValue(RexxActivation *);
  RexxObject *getRealValue(RexxVariableDictionary *);
  RexxObject *getRealValue(RexxActivation *);
  bool exists(RexxActivation *);
  void set(RexxActivation *, RexxObject *) ;
  void set(RexxVariableDictionary *, RexxObject *) ;
  void assign(RexxActivation *, RexxExpressionStack *, RexxObject *);
  void drop(RexxActivation *);
  void drop(RexxVariableDictionary *);
  void setGuard(RexxActivation *);
  void clearGuard(RexxActivation *);
  void expose(RexxActivation *, RexxExpressionStack *, RexxVariableDictionary *);
  void procedureExpose(RexxActivation *, RexxActivation *, RexxExpressionStack *);
  RexxString *getName();
 
protected:
 
  RexxString *variableName;            // name of the variable
  size_t      index;                   /* lookaside table index             */
};
#endif