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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
namespace Luax
{
///
/// עṤעclass tabletype nameΪƿռϡעβԪȵNewõʱŻᡣ
///
template<class TYPE>
void LuaxState::RegisterFactory()
{
cc8* type = TYPE::GetLuaxFactoryName();
lua_State* L = mState;
LuaxState& state = *this;
int top = lua_gettop(L); // namespace table
assert(lua_istable(L, top));
// class table
lua_newtable(L);
TYPE::RegisterLuaxClassShared(state);
TYPE::RegisterLuaxFactoryClass(state);
TYPE::RegisterLuaxClass(state);
// TYPEǷûעķ
#define _assertmethod(I, NAME) \
GetField(I, NAME); \
assert(IsType(-1, LUA_TFUNCTION)); \
Pop();
//_assertmethod(-1, "New");
#undef _assertmethod
#if LUAX_ENABLE_NATIVE_EXTEND
// .Extend()
lua_pushvalue(state, -1); // class table
lua_pushcclosure(state, TYPE::_ExtendFactory, 1);
lua_setfield(state, -2, "Extend");
#endif
// class["__index"] = class
lua_pushvalue(state, -1); // class table
lua_setfield(state, -2, "__index");
TYPE::SetLuaxClassTableRef(state, -1);
SetField(top, type);
// reset top
lua_settop(L, top);
//
TYPE::RegisterLuaxPostprocess(state);
}
///
/// Singleton
///
template<typename TYPE>
void LuaxState::RegisterSingleton()
{
lua_State* L = mState;
LuaxState& state = *this;
int top = lua_gettop(L); // namespace table
assert(lua_istable(L, top));
// class table.
lua_newtable(L);
TYPE::RegisterLuaxClassShared(state);
TYPE::RegisterLuaxSingletonClass(state);
TYPE::RegisterLuaxClass(state);
TYPE::SetLuaxClassTableRef(state, -1);
lua_pushvalue(state, -1);
lua_setfield(state, -2, "__index");
#if LUAX_ENABLE_NATIVE_EXTEND
// .Extend()
lua_pushvalue(state, -1); // class table
lua_pushcclosure(state, TYPE::_ExtendSingleton, 1);
lua_setfield(state, -2, "Extend");
#endif
cc8* type = TYPE::GetLuaxSingletonName();
SetField(top, type);
// reset top
lua_settop(L, top);
//
TYPE::RegisterLuaxPostprocess(state);
}
template<typename TYPE>
void LuaxState::SetField(int idx, cc8* key, TYPE value)
{
if (IsTableOrUserdata(idx))
{
idx = AbsIndex(idx);
this->Push(value);
lua_setfield(mState, idx, key);
}
}
template<typename TYPE>
void LuaxState::SetFieldByIndex(int idx, int key, TYPE value)
{
if (IsTableOrUserdata(idx))
{
idx = AbsIndex(idx);
this->Push(value);
lua_rawseti(mState, idx, key);
}
}
template<typename TYPE>
TYPE LuaxState::GetField(int idx, cc8* key, TYPE value)
{
GetField(idx, key);
TYPE result = GetValue < TYPE >(-1, value);
this->Pop();
return result;
}
template<typename TYPE>
TYPE LuaxState::GetField(int idx, int key, TYPE value)
{
GetField(idx, key);
TYPE result = GetValue < TYPE >(-1, value);
Pop();
return result;
}
template<typename TYPE>
TYPE* LuaxState::GetUserdata(int idx)
{
void* p = nullptr;
if (IsType(idx, LUA_TUSERDATA))
{
p = *(void**)lua_touserdata(mState, idx);
}
return static_cast<TYPE*>(p);
}
template<typename TYPE>
TYPE* LuaxState::CheckUserdata(int idx)
{
if (IsType(idx, LUA_TUSERDATA))
{
if (lua_getmetatable(mState, idx)) // ref table
{
if (lua_getmetatable(mState, -1)) // member table
{
if (lua_getmetatable(mState, -1)) // class table
{
TYPE::PushLuaxClassTable(*this); // target class table
if (lua_rawequal(mState, -1, -2))
{
Pop(4); // ref\member\class\target class
TYPE* udata = GetUserdata<TYPE>(idx);
return udata; // userdata
}
Pop(2); // target class table\class table
}
Pop(1); // member table
}
Pop(1); // ref table
}
}
luaL_typerror(mState, idx, TYPE::GetLuaxClassName());
return nullptr;
}
}
|
