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4680 | right-hear | 1 | #ifndef __yacasbase_h__ |
2 | #define __yacasbase_h__ |
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3 | #include "yacasprivate.h" |
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4 | |||
5 | /* /class YacasBase. All other objects should derive from YacasBase so that they use the correct |
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6 | * operators new and delete. This ensures a Yacas-specific memory manager is used. |
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7 | */ |
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8 | |||
9 | class YacasBase |
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10 | { |
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11 | public: |
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12 | inline YacasBase() {}; |
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13 | #ifdef YACAS_DEBUG |
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14 | // New operators with additional debug arguments need to be handled differently |
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15 | static inline void* operator new(size_t size, char* aFile, int aLine) |
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16 | { return YacasMallocPrivate(size,aFile,aLine); } |
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17 | static inline void* operator new[](size_t size, char* aFile, int aLine) |
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18 | { return YacasMallocPrivate(size,aFile,aLine); } |
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19 | #else |
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20 | // Normal versions of operator new |
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21 | static inline void* operator new(size_t size) |
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22 | { return PlatAlloc(size); } |
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23 | static inline void* operator new[](size_t size) |
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24 | { return PlatAlloc(size); } |
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25 | #endif |
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26 | /* Operators delete are shared, they behave the same whether in debug or release (as |
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27 | PlatFree is mapped to the debug version of freeing memory any way) |
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28 | */ |
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29 | static inline void operator delete(void* object) |
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30 | { PlatFree(object); } |
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31 | static inline void operator delete[](void* object) |
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32 | { PlatFree(object); } |
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33 | // Placement form of new and delete. |
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34 | static inline void* operator new(size_t, void* where) { return where; } |
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35 | static inline void operator delete(void*, void*) {} |
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36 | |||
37 | /** If we don't want to force vtables, we can make the destructor inline and protected. |
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38 | * The following might cause a little bit of overhead but has the advantage that even |
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39 | * the compiler can see that this is safe (thus no unnecessary warnings). Preferrably |
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40 | * though this class has a protected inline destructor. |
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41 | * |
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42 | * When I use Xcode on the MacOSX, I would prefer to not see the warnings that the |
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43 | * destructor of this class is not virtual, and speed is not the primary concern in |
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44 | * that build (as that build is used mostly for debugging). |
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45 | * |
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46 | * HIDE_UNIMPORTANT_COMPILER_WARNINGS can be defined in case one wants to get rid of |
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47 | * compiler warnings, as opposed to having maximum running speed. |
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48 | */ |
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49 | protected: |
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50 | #ifdef HIDE_UNIMPORTANT_COMPILER_WARNINGS |
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51 | virtual |
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52 | #else // HIDE_UNIMPORTANT_COMPILER_WARNINGS |
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53 | inline |
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54 | #endif // HIDE_UNIMPORTANT_COMPILER_WARNINGS |
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55 | ~YacasBase() {}; |
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56 | }; |
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57 | |||
58 | #endif |