cExpressionContext.h

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//
//
 
#ifndef _INC_cExpressionContext_H
#define _INC_cExpressionContext_H
#ifndef NO_PRAGMA_ONCE
#pragma once
#endif
 
#include "../Scriptable/cScriptableInterface.h" // CSCRIPT_CLASS_DEF0
#include "../Thread/cThreadLocal.h"
 
namespace GrayLib
{
        class GRAYLIB_LINK cExpressionContext : public CObject
        {
        protected:
                cExpressionContext();
 
        public:
                virtual ~cExpressionContext();
 
                virtual bool isValidCheck() const noexcept // override
                {
                        if (!COBJECT_IsValidCheck())
                                return false;
                        return IS_TYPE_OF(cExpressionContext, this);
                }
 
                enum M_TYPE_
                {
#define cExpressionFunc(a,b,c,d) M_##a,
#include "cExpressionFunc.tbl"
#undef cExpressionFunc
                        M_QTY,
                };
 
                CSCRIPT_CLASS_DEF0(ExpressionContext)
                static cScriptableMethod sm_Methods[M_QTY + 1];
                STDMETHOD(s_InvokeExec)(const cScriptableMethod* pFunc, const cVariant& vArgs, cVariant& vValRet);
        };
 
        class GRAYLIB_LINK cExpressionContextMgr
        : public cSingleton<cExpressionContextMgr>
        {
 
                friend class cSingleton<cExpressionContextMgr>;
                CHEAPOBJECT_IMPL;
 
        private:
                cExpressionContext* m_pContextRoot;             
 
        protected:
                cThreadLocalSysT<cExpressionContext*> m_Current;        
 
        protected:
                cExpressionContextMgr();
                ~cExpressionContextMgr();
 
        public:
                cExpressionContext* get_ContextCurrent0() const noexcept;
                void put_ContextCurrent(cExpressionContext* pContext);
 
                cExpressionContext* get_ContextRoot() const noexcept
                {
                        // Get global/default/root context. for all threads.
                        return m_pContextRoot;
                }
                cExpressionContext* put_ContextRoot(cExpressionContext* pContextRoot);
 
                static cExpressionContext* GRAYCALL GetContextCurrent();
        };
 
};
#endif