mirror of
https://github.com/alliedmodders/metamod-source.git
synced 2024-12-04 16:24:16 +01:00
348 lines
7.6 KiB
C++
348 lines
7.6 KiB
C++
#include <string>
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#include "sourcehook.h"
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#include "sourcehook_test.h"
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#include "testevents.h"
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// TEST VP HOOKS
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// Test vfnptr-wide hooks
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// Also contains a test for removing hooks on deleted instances (by id)
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namespace
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{
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StateList g_States;
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SourceHook::ISourceHook *g_SHPtr;
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SourceHook::Plugin g_PLID;
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class IBase;
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MAKE_STATE_1(State_D1_Func1, IBase *);
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MAKE_STATE_1(State_D2_Func1, IBase *);
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MAKE_STATE_1(State_Func1_Pre, IBase *);
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MAKE_STATE_1(State_Func1_Post, IBase *);
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MAKE_STATE_1(State_D1_Func2, IBase *);
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MAKE_STATE_1(State_D2_Func2, IBase *);
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MAKE_STATE_1(State_Func2_Pre, IBase *);
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MAKE_STATE_1(State_Func2_Post, IBase *);
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MAKE_STATE_2(State_D1_Func3, IBase *, int);
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MAKE_STATE_2(State_D2_Func3, IBase *, int);
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MAKE_STATE_2(State_Func3_Pre, IBase *, int);
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MAKE_STATE_2(State_Func3_Post, IBase *, int);
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class IBase
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{
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public:
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virtual void Func1() = 0;
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virtual void Func2() = 0;
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virtual void Func3(int x) = 0;
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};
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class CDerived1 : public IBase
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{
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public:
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virtual void Func1()
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{
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ADD_STATE(State_D1_Func1(this));
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}
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virtual void Func2()
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{
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ADD_STATE(State_D1_Func2(this));
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}
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virtual void Func3(int x)
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{
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ADD_STATE(State_D1_Func3(this, x));
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}
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};
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class CDerived2 : public IBase
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{
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public:
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virtual void Func1()
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{
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ADD_STATE(State_D2_Func1(this));
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}
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virtual void Func2()
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{
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ADD_STATE(State_D2_Func2(this));
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}
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virtual void Func3(int x)
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{
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ADD_STATE(State_D2_Func3(this, x));
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}
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};
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void Handler_Func1_Pre()
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{
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ADD_STATE(State_Func1_Pre(META_IFACEPTR(IBase)));
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}
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void Handler_Func1_Post()
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{
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ADD_STATE(State_Func1_Post(META_IFACEPTR(IBase)));
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}
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int g_F2_Pre_HookToRemove = 0;
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void Handler_Func2_Pre()
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{
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ADD_STATE(State_Func2_Pre(META_IFACEPTR(IBase)));
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SH_REMOVE_HOOK_ID(g_F2_Pre_HookToRemove);
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}
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void Handler_Func2_Post()
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{
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ADD_STATE(State_Func2_Post(META_IFACEPTR(IBase)));
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}
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void Handler_Func3_Pre(int x)
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{
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ADD_STATE(State_Func3_Pre(META_IFACEPTR(IBase), x));
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RETURN_META_NEWPARAMS(MRES_IGNORED, &IBase::Func3, (x+1));
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}
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void Handler_Func3_Post(int x)
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{
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ADD_STATE(State_Func3_Post(META_IFACEPTR(IBase), x));
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}
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SH_DECL_HOOK0_void(IBase, Func1, SH_NOATTRIB, 0);
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SH_DECL_HOOK0_void(IBase, Func2, SH_NOATTRIB, 0);
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SH_DECL_HOOK1_void(IBase, Func3, SH_NOATTRIB, 0, int);
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SH_DECL_MANUALHOOK1_void(IBase_Func3_Manual, 2, 0, 0, int);
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}
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bool TestVPHooks(std::string &error)
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{
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GET_SHPTR(g_SHPtr);
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g_PLID = 1337;
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CDerived1 d1i1;
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CDerived1 d1i2;
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CDerived2 d2i1;
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IBase *p_d1i1 = &d1i1;
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IBase *p_d1i2 = &d1i2;
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IBase *p_d2i1 = &d2i1;
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int hook1 = SH_ADD_VPHOOK(IBase, Func1, p_d1i1, SH_STATIC(Handler_Func1_Pre), false);
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p_d1i1->Func1();
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p_d1i2->Func1();
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p_d2i1->Func1();
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CHECK_STATES((&g_States,
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new State_Func1_Pre(p_d1i1),
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new State_D1_Func1(p_d1i1),
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new State_Func1_Pre(p_d1i2),
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new State_D1_Func1(p_d1i2),
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new State_D2_Func1(p_d2i1),
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NULL), "Part 1");
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SH_CALL(p_d1i1, &IBase::Func1)();
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SH_CALL(p_d1i2, &IBase::Func1)();
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SH_CALL(p_d2i1, &IBase::Func1)();
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CHECK_STATES((&g_States,
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new State_D1_Func1(p_d1i1),
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new State_D1_Func1(p_d1i2),
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new State_D2_Func1(p_d2i1),
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NULL), "Part 1.1");
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SH_REMOVE_HOOK_ID(hook1);
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p_d1i1->Func1();
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p_d1i2->Func1();
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p_d2i1->Func1();
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CHECK_STATES((&g_States,
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new State_D1_Func1(p_d1i1),
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new State_D1_Func1(p_d1i2),
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new State_D2_Func1(p_d2i1),
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NULL), "Part 2");
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// Normal hook, then vp hook
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int hook2 = SH_ADD_HOOK(IBase, Func1, p_d1i1, SH_STATIC(Handler_Func1_Pre), false);
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hook1 = SH_ADD_VPHOOK(IBase, Func1, p_d1i1, SH_STATIC(Handler_Func1_Pre), false);
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p_d1i1->Func1();
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p_d1i2->Func1();
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p_d2i1->Func1();
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CHECK_STATES((&g_States,
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new State_Func1_Pre(p_d1i1),
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new State_Func1_Pre(p_d1i1),
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new State_D1_Func1(p_d1i1),
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new State_Func1_Pre(p_d1i2),
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new State_D1_Func1(p_d1i2),
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new State_D2_Func1(p_d2i1),
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NULL), "Part 3");
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SH_REMOVE_HOOK_ID(hook1);
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p_d1i1->Func1();
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p_d1i2->Func1();
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p_d2i1->Func1();
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CHECK_STATES((&g_States,
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new State_Func1_Pre(p_d1i1),
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new State_D1_Func1(p_d1i1),
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new State_D1_Func1(p_d1i2),
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new State_D2_Func1(p_d2i1),
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NULL), "Part 4");
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SH_REMOVE_HOOK_ID(hook2);
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p_d1i1->Func1();
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p_d1i2->Func1();
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p_d2i1->Func1();
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CHECK_STATES((&g_States,
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new State_D1_Func1(p_d1i1),
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new State_D1_Func1(p_d1i2),
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new State_D2_Func1(p_d2i1),
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NULL), "Part 5");
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// Test this:
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// Normal hook AND vp hook on Func2
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// Func2's pre handler removes the VP hook. It has to work anyway :)
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hook1 = SH_ADD_VPHOOK(IBase, Func2, p_d1i1, SH_STATIC(Handler_Func2_Pre), false);
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hook2 = SH_ADD_HOOK(IBase, Func2, p_d1i1, SH_STATIC(Handler_Func2_Pre), false);
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g_F2_Pre_HookToRemove = hook1;
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p_d1i1->Func2();
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p_d1i1->Func2();
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CHECK_STATES((&g_States,
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new State_Func2_Pre(p_d1i1),
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new State_Func2_Pre(p_d1i1),
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new State_D1_Func2(p_d1i1),
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new State_Func2_Pre(p_d1i1),
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new State_D1_Func2(p_d1i1),
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NULL), "Part 6");
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SH_REMOVE_HOOK_ID(hook1);
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// Hook function 3:
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// Using manualhook, VP
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hook1 = SH_ADD_MANUALVPHOOK(IBase_Func3_Manual, p_d1i1, SH_STATIC(Handler_Func3_Pre), false);
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// Normally, VP
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hook2 = SH_ADD_VPHOOK(IBase, Func3, p_d1i1, SH_STATIC(Handler_Func3_Pre), false);
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// Normally, no VP
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int hook3 = SH_ADD_HOOK(IBase, Func3, p_d1i1, SH_STATIC(Handler_Func3_Pre), false);
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p_d1i1->Func3(1);
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CHECK_STATES((&g_States,
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new State_Func3_Pre(p_d1i1, 1), // manual vp hook
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new State_Func3_Pre(p_d1i1, 2), // normal vp hook
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new State_Func3_Pre(p_d1i1, 3), // normal non-vp hook
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new State_D1_Func3(p_d1i1, 4), // function
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NULL), "Part 7.1");
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p_d1i2->Func3(1);
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CHECK_STATES((&g_States,
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new State_Func3_Pre(p_d1i2, 1), // manual vp hook
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new State_Func3_Pre(p_d1i2, 2), // normal vp hook
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new State_D1_Func3(p_d1i2, 3), // function
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NULL), "Part 7.2");
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SH_REMOVE_HOOK_ID(hook1);
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SH_REMOVE_HOOK_ID(hook2);
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SH_REMOVE_HOOK_ID(hook3);
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// Test direct VP hook
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p_d1i1->Func1();
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p_d1i2->Func1();
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// get vtable manually
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void *pVtable = *reinterpret_cast<void**>(p_d1i1);
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hook1 = SH_ADD_DVPHOOK(IBase, Func1, pVtable, SH_STATIC(Handler_Func1_Pre), false);
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p_d1i1->Func1();
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p_d1i2->Func1();
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CHECK_STATES((&g_States,
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new State_D1_Func1(p_d1i1),
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new State_D1_Func1(p_d1i2),
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new State_Func1_Pre(p_d1i1),
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new State_D1_Func1(p_d1i1),
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new State_Func1_Pre(p_d1i2),
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new State_D1_Func1(p_d1i2),
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NULL), "Part 8.1");
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SH_REMOVE_HOOK_ID(hook1);
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// Now try manual dvp hooks
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p_d1i1->Func3(1);
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p_d1i2->Func3(1);
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hook1 = SH_ADD_MANUALDVPHOOK(IBase_Func3_Manual, pVtable, SH_STATIC(Handler_Func3_Pre), false);
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p_d1i1->Func3(1);
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p_d1i2->Func3(1);
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CHECK_STATES((&g_States,
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new State_D1_Func3(p_d1i1, 1),
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new State_D1_Func3(p_d1i2, 1),
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new State_Func3_Pre(p_d1i1, 1), // manual vp hook
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new State_D1_Func3(p_d1i1, 2), // function
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new State_Func3_Pre(p_d1i2, 1), // normal vp hook
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new State_D1_Func3(p_d1i2, 2), // function
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NULL), "Part 8.2");
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// Test removing normal hooks even though the instance is deleted
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IBase *pOther = new CDerived1;
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SH_ADD_HOOK(IBase, Func1, pOther, SH_STATIC(Handler_Func1_Pre), false);
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delete pOther;
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// The following line may not crash!
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SH_REMOVE_HOOK(IBase, Func1, pOther, SH_STATIC(Handler_Func1_Pre), false);
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// Now test GetOrigVfnPtrEntry
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void *origfuncptr = (*reinterpret_cast<void***>(p_d1i1))[0];
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CHECK_COND(SH_GET_ORIG_VFNPTR_ENTRY(p_d1i1, &IBase::Func1) == origfuncptr, "Part 9.1");
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SH_ADD_HOOK(IBase, Func1, p_d1i1, SH_STATIC(Handler_Func1_Pre), false);
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CHECK_COND(SH_GET_ORIG_VFNPTR_ENTRY(p_d1i1, &IBase::Func1) == origfuncptr, "Part 9.2");
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SH_REMOVE_HOOK(IBase, Func1, p_d1i1, SH_STATIC(Handler_Func1_Pre), false);
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CHECK_COND(SH_GET_ORIG_VFNPTR_ENTRY(p_d1i1, &IBase::Func1) == origfuncptr, "Part 9.3");
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return true;
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}
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