CPPCode.hpp

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/* Copyright (c) 2005-2009 Rexx Language Association. All rights reserved.    */
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#ifndef Included_CPPCode
#define Included_CPPCode
 
 
#include "MethodClass.hpp"
 
 
/**
 * Class for a method-wrappered CPP internal method.
 */
class CPPCode : public BaseCode
{
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 *) { }
    CPPCode(size_t, PCPPM, size_t, bool);
    inline CPPCode(RESTORETYPE restoreType) { ; };
    void liveGeneral(int reason);
    RexxObject *unflatten(RexxEnvelope *envelope);
 
    void run(RexxActivity *, RexxMethod *, RexxObject *, RexxString *, RexxObject **, size_t, size_t, ProtectedObject &);
 
    static CPPCode *resolveExportedMethod(const char *, PCPPM targetMethod, size_t argcount, bool passNamedArgs);
    // The table of exported methods.
    static PCPPM exportedMethods[];
 
protected:
    uint16_t   methodIndex;           // kernel method number
    uint16_t   argumentCount;         // argument count
    bool       passNamedArguments;
    PCPPM      cppEntry;              // C++ Method entry point.
};
 
 
/**
 * Class for an attribute getter method
 */
class AttributeGetterCode : public BaseCode
{
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 AttributeGetterCode(RexxVariableBase *a) { attribute = a; }
    inline AttributeGetterCode(RESTORETYPE restoreType) { ; };
    void live(size_t);
    void liveGeneral(int reason);
    void flatten(RexxEnvelope*);
 
    void run(RexxActivity *, RexxMethod *, RexxObject *, RexxString *,  RexxObject **, size_t, size_t, ProtectedObject &);
    inline BaseCode *setSourceObject(RexxSource *s) { source = s; return this; }
    inline RexxSource *getSourceObject() { return source; }
 
protected:
    RexxVariableBase *attribute;      /* method attribute info             */
    RexxSource *source;
};
 
 
/**
 * Class for an attribute setter method.
 */
class AttributeSetterCode : public AttributeGetterCode
{
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 AttributeSetterCode(RexxVariableBase *a) : AttributeGetterCode(a) { }
    inline AttributeSetterCode(RESTORETYPE restoreType) : AttributeGetterCode(restoreType) { }
 
    void run(RexxActivity *, RexxMethod *, RexxObject *, RexxString *,  RexxObject **, size_t,  size_t, ProtectedObject &);
};
 
 
/**
 * Class for a constant retriever method
 */
class ConstantGetterCode : public BaseCode
{
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 ConstantGetterCode(RexxObject * v) { constantValue = v; }
    inline ConstantGetterCode(RESTORETYPE restoreType) { }
    void live(size_t);
    void liveGeneral(int reason);
    void flatten(RexxEnvelope*);
 
    void run(RexxActivity *, RexxMethod *, RexxObject *, RexxString *,  RexxObject **, size_t, size_t, ProtectedObject &);
    inline BaseCode *setSourceObject(RexxSource *s) { source = s; return this; }
    inline RexxSource *getSourceObject() { return source; }
 
protected:
    RexxObject *constantValue;        // the returned constant value
    RexxSource *source;
};
 
 
/**
 * Class for a constant retriever method
 */
class AbstractCode : public BaseCode
{
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 AbstractCode() { }
    inline AbstractCode(RESTORETYPE restoreType) { }
    void live(size_t);
    void liveGeneral(int reason);
    void flatten(RexxEnvelope*);
 
    void run(RexxActivity *, RexxMethod *, RexxObject *, RexxString *,  RexxObject **, size_t, size_t, ProtectedObject &);
    inline BaseCode *setSourceObject(RexxSource *s) { source = s; return this; }
    inline RexxSource *getSourceObject() { return source; }
 
protected:
    RexxSource *source;
};
 
#endif