C對象模型詳解

何為C+#pragma#pragmaonceusingnamespacestd;classBasevirtualvirtualintgetIBase()const;staticintinstanceCount();virtualvoidprint()intstaticint基本C+表格驅動對象模型（atable-drivenobjectmodel）。簡單對象模型（asimpleobject表格對象模型（atable-drivenobject數(shù)據(jù)成員被放置到對象內部，staticstaticandnonstatic函數(shù)成員均被放到對象之type_infoRTTI（RunTimeType象本身的描述，RTTI使用的類的nonstaticvoidvoidBasecoutb1&b1<<cout"type_info((int*)*(int*)(&b1)1)endl;RTTICompleteObjectLocatorstr=*((RTTICompleteObjectLocator*)*((int*)*(int*)(&b1)-//abstractclassnamefromstringclassname(str.pTypeDescriptor-classname=classname.substr(4,classname.find("@@")-4);cout<<classname<<endl;cout<<"虛函數(shù)表地址：\t\t\t"<<(int*)(&b1)<<cout1：\t"<<(int*)*(int*)(&b1)<<"\t"<<(int*)*((int*)*(int*)(&b1))<<cout2：\t"((int*)*(int*)(&b1)1)"\t";typedefvoid(*Fun)(void);FunpFun=(Fun)*(((int*)*(int*)(&b1))+1);cout<<endl;coutiBase：\t\t"<<((int*)(&b1)"\tiBase*((int*)(&b1)+1)endl;cout<<"Base::getIBase():"<<b1.getIBase()<<endl;coutinstanceCountb1.instanceCountiBase1，((int*)(&b1下面是測試代碼輸出：（2）上面介紹并驗證了基本的C++對象模型，引入繼承之后，C++對象模型又是怎樣的？slotslot#pragmaonce#include#pragmaonce#include"base.h"classDerived:publicvirtualvirtualvoidintvoidvoidDerivedcoutd&d<<cout"type_info((int*)*(int*)(&d)1)endl;RTTICompleteObjectLocatorstr=*((RTTICompleteObjectLocator*)*((int*)*(int*)(&d)-//abstractclassnamefromstringclassname(str.pTypeDescriptor-classname=classname.substr(4,classname.find("@@")-4);cout<<classname<<endl;cout<<"虛函數(shù)表地址：\t\t\t"<<(int*)(&d)<<cout1：\t"(int*)*(int*)(&d)"\t"<<endl;cout2：\t"((int*)*(int*)(&d)1)"\t";typedefvoid(*Fun)(void);FunpFun=(Fun)*(((int*)*(int*)(&d))+1);cout<<endl;cout3：\t"((int*)*(int*)(&d)2)"\t";pFun=(Fun)*(((int*)*(int*)(&d))+2);cout<<endl;coutiBase：\t\t"<<((int*)(&d)<<"\t*((int*)(&d)+1)<<coutiDerived：\t"<<((int*)(&d)<<"\t*((int*)(&d)+2)<<#pragmaonce#include#pragmaonce#include"base.h"classDerived_Overrite:publicBasevirtual~Derived_Overrite(void);virtualvoidprint(void)const;intvoidvoidDerived_Overritecoutd：\t\t"<<&d<<endl;cout：\t\t\t"(int*)(&d)endl;cout1：\t"(int*)*(int*)(&d)"\t"<<endl;cout2：\t"((int*)*(int*)(&d)1)"\t";typedefvoid(*Fun)(void);FunpFun=(Fun)*(((int*)*(int*)(&d))+1);cout<<endl;cout3：\t"*((int*)*(int*)(&d)2)\t";cout<<endl;coutiBase：\t\t"((int*)(&d)"\t*((int*)(&d)+1)coutiDerived：\t"((int*)(&d)"\t*((int*)(&d)+2)300×0000000printoverwriteprintvoidvoidDerived_Mutlip_Inheritcoutdmi：\t\t"<<&dmi<<cout<<"虛函數(shù)表_vptr_Base：\t"<<(int*)(&dmi)<<cout"_vptr_Base1：\t"(int*)*(int*)(&dmi)"\t地址"<<endl;cout"_vptr_Base2：\t"((int*)*(int*)(&dmi)1)"\t";typedefvoid(*Fun)(void);FunpFun=(Fun)*(((int*)*(int*)(&dmi))+1);cout<<cout"_vptr_Base3：\t"((int*)*(int*)(&dmi)2)"\t";pFun=(Fun)*(((int*)*(int*)(&dmi))+2);cout<<cout<<"_vptr_Base4*((int*)*(int*)(&dmi)3)\t";cout<<endl;coutiBase：\t\t"<<((int*)(&dmi)<<"\t*((int*)(&dmi)+1)<<FOREGROUND_INTENSITY|FOREGROUND_GREEN);cout<<"+++++++++++++++++++++++++++++++++++++++++++"<<FOREGROUND_INTENSITY|cout_vptr_Base1\tint*)(&dmi+2endl;cout<<"_vptr_Base11t"(int*)*((int*)(&dmi+2tendl;cout<<"_vptr_Base12t"<<((int*)*((int*)(&dmi)+2)+1)<<"\t";typedefvoid(*Fun)(void);pFun=(Fun)*((int*)*((int*)(&dmi)+2)+1);cout<<cout"_vptr_Base13*((int*)*(int*)((int*)(&dmi+22\t";cout<<endl;cout<<"推測數(shù)據(jù)成員iBase1\tint*)(&dmi<<"\t*((int*)(&dmi)+3)<<endl;SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE)FOREGROUND_INTENSITY|FOREGROUND_GREEN);cout<<"++++++++++++++++++++++++++++++++++++++++++"<<endl;FOREGROUND_INTENSITY|cout<<"推測數(shù)據(jù)成員iDerived\tint*)(&dmit*((int*)(&dmi40×000000000×00xvoidvoidDerived_Virtual_Inherit1coutdvi1：\t\t"<<&dvi1<<cout<<"虛函數(shù)表_vptr_Derived..地址：\t\t"<<(int*)(&dvi1)<<cout<<"_vptr_Derived1：\t"<<(int*)*(int*)(&dvi1)<<typedefFunpFun=(Fun)*((int*)*(int*)(&dvi1));cout<<cout<<"_vptr_Derived2：\t"<<*((int*)*(int*)(&dvi1)+1)【結束】cout<<cout<<"=======================：\t"<<((int*)(&dvi1)<<"\t(int*)*((int*)(&dvi1)+1)<<<<*(int*)*((int*)(&dvi1)+1)<<coutiDerived：\t"<<((int*)(&dvi1)<<"\t*((int*)(&dvi1)+2)<<cout<<"=======================：\t"<<((int*)(&dvi1)<<"\t*((int*)(&dvi1)+3)<<cout<<"虛函數(shù)表_vptr_Base：\t"<<((int*)(&dvi1)+4)<<endl;cout"_vptr_Base1：\t"(int*)*((int*)(&dvi1)+4)<<"\tcout"_vptr_Base2：\t"((int*)*((int*)(&dvi1)+4)+1)"\t";pFun=(Fun)*((int*)*((int*)(&dvi1)+4)+1);cout<<cout<<"_vptr_Base3：\t"<<((int*)*((int*)(&dvi1)+4)\t"*((int*)*((int*)(&dvi1)+4)+2);cout<<endl;coutiBase：\t\t"<<((int*)(&dvi1)<<"\t*((int*)(&dvi1)+5)<<voidvoidDerived_Virtualcoutdvi1：\t\t"<<&dvi1<<cout<<"虛函數(shù)表_vptr_inherit1：\t\t"<<(int*)(&dvi1)<<cout"_vptr_inherit11：\t"(int*)*(int*)(&dvi1)endl;typedefvoid(*Fun)(void);FunpFun=(Fun)*((int*)*(int*)(&dvi1));cout<<cout"_vptr_inherit12：\t"((int*)*(int*)(&dvi1)1)endl;pFun=(Fun)*((int*)*(int*)(&dvi1)+1);cout<<cout<<"_vptr_inherit13：\t"<<((int*)*(int*)(&dvi1)+"\t*((int*)*(int*)(&dvi1)2)\t";cout<<endl;cout<<"======指向=============：\t"<<((int*)(&dvi1)"\t(int*)*((int*)(&dvi1)+1)<<"\t"+1)<<coutiInherit1：\t"<<((int*)(&dvi1)<<"\t*((int*)(&dvi1)+2)<<cout<<"虛函數(shù)表_vptr_inherit2：\t"<<((int*)(&dvi1)+3)<<cout"_vptr_inherit21：\t"(int*)*((int*)(&dvi1)+3)endl;pFun=(Fun)*((int*)*((int*)(&dvi1)+3));cout<<cout<<"_vptr_inherit22：\t"<<(int*)*((int*)(&dvi1)+3)+<<"\t*((int*)*((int*)(&dvi1)+3)1)\t"endl;cout<<endl;cout<<"======指向=============：\t"<<((int*)(&dvi1)"\t(int*)*((int*)(&dvi1)+4)"\t"+4)<<coutiInherit2：\t"<<((int*)(&dvi1)<<"\t*((int*)(&dvi1)+5)<<coutiDerived：\t"<<((int*)(&dvi1)<<"\t*((int*)(&dvi1)+6)<<cout<<"=======================：\t"<<((int*)(&dvi1)<<"\t*((int*)(&dvi1)+7)<<cout<<"虛函數(shù)表_vptr_Base：\t"<<((int*)(&dvi1)+8)<<endl;cout"_vptr_Base1：\t"(int*)*((int*)(&dvi1)+8)<<"\tcout"_vptr_Base2：\t"((int*)*((int*)(&dvi1)+8)+1)"\t";pFun=(Fun)*((int*)*((int*)(&dvi1)+8)+1);cout<<cout<<"_vptr_Base3：\t"