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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4680 | right-hear | 1 | |
| 2 | |||
| 3 | |||
| 4 | #include "yacasbase.h" |
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| 5 | |||
| 6 | /// Not used. |
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| 7 | |||
| 8 | /// it can never be used. |
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| 9 | class LispArgList : public YacasBase |
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| 10 | { |
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| 11 | public: |
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| 12 | virtual ~LispArgList(); |
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| 13 | virtual LispInt NrArguments()=0; |
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| 14 | virtual LispChar * GetArgument(LispInt aIndex, LispInt& aLength)=0; |
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| 15 | virtual LispBoolean Compare(LispInt aIndex, LispChar * aString)=0; |
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| 16 | }; |
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| 17 | |||
| 18 | /// Abstract class which can be put inside a LispGenericClass. |
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| 19 | |||
| 20 | { |
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| 21 | public: |
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| 22 | GenericClass() : iReferenceCount(0) {}; |
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| 23 | virtual ~GenericClass(); |
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| 24 | virtual LispChar * Send(LispArgList& aArgList)=0; |
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| 25 | virtual LispChar * TypeName()=0; |
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| 26 | public: |
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| 27 | LispInt iReferenceCount; //TODO: perhaps share the method of reference counting with how it is done in other places |
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| 28 | }; |
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| 29 | |||
| 30 | |||
| 31 | |||
| 32 | |||
| 33 | |||
| 34 | #define DYNCAST(_type,_name,_var,_object) \ |
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| 35 | |||
| 36 | if (_object != NULL) \ |
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| 37 | { \ |
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| 38 | if (StrEqual((_object)->TypeName(),_name)) _var = (_type *)(_object); \ |
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| 39 | } |
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| 40 | |||
| 41 | #endif |
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| 42 |