ExpressionBaseVariable.hpp

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/******************************************************************************/
/* REXX Kernel                                    ExpressionBaseVariable.h    */
/*                                                                            */
/* Polymorphic declarations for all translator variable parse classes         */
/*                                                                            */
/******************************************************************************/
#ifndef Included_RexxVariableBase
#define Included_RexxVariableBase
 
class RexxVariableBase : public RexxInternalObject {
 public:
  RexxVariableBase() { ; };
  virtual bool exists(RexxActivation *) { return false; }
  virtual void set(RexxActivation *, RexxObject *) {;}
  virtual void set(RexxVariableDictionary *, RexxObject *) {;}
  virtual void assign(RexxActivation *, RexxExpressionStack *, RexxObject *) {;}
  virtual void drop(RexxActivation *) {;}
  virtual void drop(RexxVariableDictionary *) {;}
  virtual void setGuard(RexxActivation *) {;}
  virtual void clearGuard(RexxActivation *) {;}
  virtual void expose(RexxActivation *, RexxExpressionStack *, RexxVariableDictionary *) {;}
  virtual void procedureExpose(RexxActivation *, RexxActivation *, RexxExpressionStack *) {;}
  virtual void upper(RexxActivation *) {;}
  virtual RexxString *getName() { return OREF_NULL;}
  virtual bool isAllowedForUseNamed() {return true;};
};
 
/*
Subclasses:
RexxCompoundVariable        ExpressionCompoundVariable.hpp
RexxDotVariable             ExpressionDotVariable.hpp
RexxExpressionMessage       ExpressionMessage.hpp
RexxParseVariable           ExpressionVariable.hp
RexxStemVariable            ExpressionStem.hpp
RexxVariableReference       IndirectVariableReference.hpp
*/
#endif