1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
////////////////////////////////////////////////////////////////////////////////////////
//
// Nestopia - NES/Famicom emulator written in C++
//
// Copyright (C) 2003-2008 Martin Freij
//
// This file is part of Nestopia.
//
// Nestopia is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// Nestopia is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Nestopia; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
////////////////////////////////////////////////////////////////////////////////////////
#ifndef NST_HOOK_H
#define NST_HOOK_H
#ifdef NST_PRAGMA_ONCE
#pragma once
#endif
namespace Nes
{
namespace Core
{
#ifdef NST_FASTDELEGATE
class Hook : public ImplicitBool<Hook>
{
class Component {};
typedef void (Component::*Executor)();
Component* component;
Executor executor;
NST_COMPILE_ASSERT( sizeof(Executor) <= sizeof(void (*)(void*)) );
public:
Hook() {}
template<typename T>
Hook(T* c,void (T::*e)())
:
component ( reinterpret_cast<Component*>(c) ),
executor ( reinterpret_cast<Executor>(e) )
{
NST_COMPILE_ASSERT( sizeof(executor) == sizeof(e) );
}
void Execute() const
{
(*component.*executor)();
}
void Unset()
{
component = NULL;
executor = NULL;
}
bool operator ! () const
{
return !executor;
}
bool operator == (const Hook& h) const
{
return executor == h.executor && component == h.component;
}
};
#define NES_DECL_HOOK(a_) void Hook_##a_()
#define NES_HOOK(o_,a_) void o_::Hook_##a_()
#define NES_HOOK_T(t_,o_,a_) t_ void o_::Hook_##a_()
#define NES_DO_HOOK(a_) Hook_##a_()
#else
class Hook : public ImplicitBool<Hook>
{
typedef void* Component;
typedef void (NST_REGCALL *Executor)(Component);
Component component;
Executor executor;
public:
Hook() {}
Hook(Component c,Executor e)
:
component ( c ),
executor ( e )
{}
void Execute() const
{
executor( component );
}
void Unset()
{
component = NULL;
executor = NULL;
}
bool operator ! () const
{
return !executor;
}
bool operator == (const Hook& h) const
{
return executor == h.executor && component == h.component;
}
};
#define NES_DECL_HOOK(a_) \
\
NST_FORCE_INLINE void NST_FASTCALL Hook_M_##a_(); \
static void NST_REGCALL Hook_##a_(void*)
#define NES_HOOK(o_,a_) \
\
void NST_REGCALL o_::Hook_##a_(void* p_) \
{ \
static_cast<o_*>(p_)->Hook_M_##a_(); \
} \
\
NST_FORCE_INLINE void NST_FASTCALL o_::Hook_M_##a_()
#define NES_HOOK_T(t_,o_,a_) \
\
t_ void NST_REGCALL o_::Hook_##a_(void* p_) \
{ \
static_cast<o_*>(p_)->Hook_M_##a_(); \
} \
\
t_ NST_FORCE_INLINE void NST_FASTCALL o_::Hook_M_##a_()
#define NES_DO_HOOK(a_) Hook_##a_(this)
#endif
}
}
#endif
|
