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kolibrios/contrib/media/updf/include/lispglobals.h

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/** \file lispglobals.h
* Storage of globals in a associated hash
*
*/
#ifndef __lispglobals_h__
#define __lispglobals_h__
#include "yacasbase.h"
#include "lispobject.h"
#include "lisphash.h"
/// Value of a Lisp global variable.
/// The only special feature of this class is the attribute
/// #iEvalBeforeReturn, which defaults to #LispFalse. If this
/// attribute is set to #LispTrue, the value in #iValue needs to be
/// evaluated to get the value of the Lisp variable.
/// \sa LispEnvironment::GetVariable()
class LispGlobalVariable : public YacasBase
{
public:
inline LispGlobalVariable(const LispGlobalVariable& aOther);
LispGlobalVariable(LispPtr& aValue): iValue(aValue), iEvalBeforeReturn(LispFalse) {}
inline LispGlobalVariable& operator=(const LispGlobalVariable& aOther);
inline void SetEvalBeforeReturn(LispBoolean aEval);
LispPtr iValue;
LispBoolean iEvalBeforeReturn;
};
/// Associated hash of LispGlobalVariable objects
class LispGlobal : public LispAssociatedHash<LispGlobalVariable>
{
};
inline LispGlobalVariable::LispGlobalVariable(const LispGlobalVariable& aOther) : iValue(aOther.iValue), iEvalBeforeReturn(LispFalse)
{
}
inline void LispGlobalVariable::SetEvalBeforeReturn(LispBoolean aEval)
{
iEvalBeforeReturn = aEval;
}
inline LispGlobalVariable& LispGlobalVariable::operator=(const LispGlobalVariable& aOther)
{
iValue = (aOther.iValue);
return *this;
}
#endif