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