ContextClass.hpp

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/* Copyright (c) 2005-2009 Rexx Language Association. All rights reserved.    */
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/******************************************************************************/
/* REXX Kernel                                             RexxContext.hpp    */
/*                                                                            */
/* Primitive Rexx execution context definition                                */
/*                                                                            */
/******************************************************************************/
#ifndef Included_RexxContext
#define Included_RexxContext
 
#include "ObjectClass.hpp"
 
class RexxActivation;
class PackageClass;
 
 
class RexxContext : public RexxObject
{
public:
    inline void *operator new(size_t, void *ptr) { return ptr; }
    inline void  operator delete(void *, void *) { ; }
    void *operator new(size_t);
    inline void  operator delete(void *) { ; }
 
    void live(size_t);
    void liveGeneral(int reason);
    void flatten(RexxEnvelope*);
 
    RexxContext(RexxActivation *);
    inline RexxContext(RESTORETYPE restoreType) { ; };
 
    PackageClass *getPackage();
    RexxObject *getDigits();
    RexxObject *getDigitsPropagate();
    RexxObject *getFuzz();
    RexxObject *getForm();
    RexxObject *getVariables();
    RexxObject *getExecutable();
 
    // Get positional arguments
    RexxObject *getArgs(); // return an array (item1, item2, ...)
 
    // Get named arguments
    RexxObject *getNamedArgs(); // return a directory (index1=item1, index2=item2, ...)
 
    // Set positional & named arguments
    RexxObject *setArgs(RexxObject *, /* named arguments*/ RexxObject **, size_t);
 
    RexxObject *getCondition();
    RexxObject *getLine();
    RexxObject *getRS();
    RexxObject *getParentContextObject();
    RexxObject *copyRexx();
    RexxObject *getName();
    RexxObject *getStackFrames();
 
    RexxObject *newRexx(RexxObject **args, size_t argc, size_t named_argc);
 
    inline void detach() { activation = OREF_NULL; }
 
    static void createInstance();
    static RexxClass *classInstance;   // singleton class instance
 
protected:
    void checkValid();
 
    RexxActivation *activation;
};
 
 
#endif