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1 | // THIS IS A GENERATED FILE: RUN callback.pl to regenerate it |
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2 | // THIS IS A GENERATED FILE: callback.pl is part of the GVPE |
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3 | // THIS IS A GENERATED FILE: distribution. |
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4 | |
1 | /* |
5 | /* |
2 | callback.h -- C++ callback mechanism |
6 | callback.h -- C++ callback mechanism |
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7 | Copyright (C) 2003-2007 Marc Lehmann <pcg@goof.com> |
3 | |
8 | |
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9 | This file is part of GVPE. |
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10 | |
4 | This program is free software; you can redistribute it and/or modify |
11 | GVPE is free software; you can redistribute it and/or modify |
5 | it under the terms of the GNU General Public License as published by |
12 | it under the terms of the GNU General Public License as published by |
6 | the Free Software Foundation; either version 2 of the License, or |
13 | the Free Software Foundation; either version 2 of the License, or |
7 | (at your option) any later version. |
14 | (at your option) any later version. |
8 | |
15 | |
9 | This program is distributed in the hope that it will be useful, |
16 | This program is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 | GNU General Public License for more details. |
19 | GNU General Public License for more details. |
13 | |
20 | |
14 | You should have received a copy of the GNU General Public License |
21 | You should have received a copy of the GNU General Public License |
15 | along with this program; if not, write to the Free Software |
22 | along with gvpe; if not, write to the Free Software |
16 | Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
23 | Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
17 | */ |
24 | */ |
18 | |
25 | |
19 | #ifndef VPE_CALLBACK_H__ |
26 | #ifndef CALLBACK_H__ |
20 | #define VPE_CALLBACK_H__ |
27 | #define CALLBACK_H__ |
21 | |
28 | |
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29 | #define CALLBACK_H_VERSION 3 |
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30 | |
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31 | template<typename signature> |
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32 | struct callback; |
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33 | |
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34 | #define callback_set(callback,obj,klass,method) callback.set<klass, &klass::method> (obj) |
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35 | |
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36 | template<class R> |
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37 | struct callback<R ()> |
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38 | { |
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39 | typedef R (*ptr_type)(void *self); |
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40 | |
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41 | private: |
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42 | |
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43 | void *self; |
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44 | ptr_type func; |
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45 | |
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46 | protected: |
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47 | |
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48 | template<typename method> |
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49 | struct thunktype; |
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50 | |
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51 | template<class klass> |
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52 | struct thunktype<R (klass::*)> |
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53 | { |
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54 | typedef klass K; |
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55 | }; |
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56 | |
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57 | template<class klass, R (klass::*method)()> |
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58 | static R thunk (void *self) |
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59 | { |
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60 | klass *obj = static_cast<klass *>(self); |
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61 | return (obj->*method) (); |
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62 | } |
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63 | |
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64 | public: |
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65 | template<class K, R (K::*method)()> |
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66 | void set (K *object) |
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67 | { |
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68 | self = object; |
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69 | func = thunk<K, method>; |
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70 | } |
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71 | |
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72 | R call () const |
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73 | { |
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74 | return func (self); |
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75 | } |
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76 | |
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77 | R operator ()() const |
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78 | { |
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79 | return call (); |
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80 | } |
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81 | }; |
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82 | |
22 | template<class R, class A> |
83 | template<class R, class A1> |
23 | class callback { |
84 | struct callback<R (A1)> |
24 | struct object { }; |
85 | { |
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86 | typedef R (*ptr_type)(void *self, A1); |
25 | |
87 | |
26 | void *obj; |
88 | private: |
27 | R (object::*meth)(A arg); |
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28 | |
89 | |
29 | // a proxy is a kind of recipe on how to call a specific class method |
90 | void *self; |
30 | struct proxy_base { |
91 | ptr_type func; |
31 | virtual R call (void *obj, R (object::*meth)(A), A arg) = 0; |
92 | |
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93 | protected: |
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94 | |
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95 | template<typename method> |
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96 | struct thunktype; |
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97 | |
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98 | template<class klass> |
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99 | struct thunktype<R (klass::*)> |
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100 | { |
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101 | typedef klass K; |
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102 | }; |
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103 | |
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104 | template<class klass, R (klass::*method)(A1)> |
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105 | static R thunk (void *self, A1 a1) |
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106 | { |
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107 | klass *obj = static_cast<klass *>(self); |
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108 | return (obj->*method) (a1); |
32 | }; |
109 | } |
33 | template<class O1, class O2> |
110 | |
34 | struct proxy : proxy_base { |
111 | public: |
35 | virtual R call (void *obj, R (object::*meth)(A), A arg) |
112 | template<class K, R (K::*method)(A1)> |
36 | { |
113 | void set (K *object) |
37 | ((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<R (O2::*)(A)>(meth))) |
114 | { |
38 | (arg); |
115 | self = object; |
39 | } |
116 | func = thunk<K, method>; |
40 | }; |
117 | } |
41 | |
118 | |
42 | proxy_base *prxy; |
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43 | |
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44 | public: |
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45 | template<class O1, class O2> |
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46 | callback (O1 *object, R (O2::*method)(A)) |
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47 | { |
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48 | static proxy<O1,O2> p; |
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49 | obj = reinterpret_cast<void *>(object); |
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50 | meth = reinterpret_cast<R (object::*)(A)>(method); |
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51 | prxy = &p; |
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52 | } |
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53 | |
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54 | R call(A arg) const |
119 | R call (A1 a1) const |
55 | { |
120 | { |
56 | return prxy->call (obj, meth, arg); |
121 | return func (self, a1); |
57 | } |
122 | } |
58 | |
123 | |
59 | R operator ()(A arg) const |
124 | R operator ()(A1 a1) const |
60 | { |
125 | { |
61 | return call (arg); |
126 | return call (a1); |
62 | } |
127 | } |
63 | }; |
128 | }; |
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129 | |
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130 | template<class R, class A1, class A2> |
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131 | struct callback<R (A1, A2)> |
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132 | { |
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133 | typedef R (*ptr_type)(void *self, A1, A2); |
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134 | |
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135 | private: |
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136 | |
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137 | void *self; |
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138 | ptr_type func; |
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139 | |
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140 | protected: |
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141 | |
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142 | template<typename method> |
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143 | struct thunktype; |
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144 | |
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145 | template<class klass> |
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146 | struct thunktype<R (klass::*)> |
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147 | { |
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148 | typedef klass K; |
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149 | }; |
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150 | |
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151 | template<class klass, R (klass::*method)(A1, A2)> |
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152 | static R thunk (void *self, A1 a1, A2 a2) |
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153 | { |
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154 | klass *obj = static_cast<klass *>(self); |
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155 | return (obj->*method) (a1, a2); |
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156 | } |
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157 | |
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158 | public: |
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159 | template<class K, R (K::*method)(A1, A2)> |
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160 | void set (K *object) |
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161 | { |
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162 | self = object; |
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163 | func = thunk<K, method>; |
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164 | } |
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165 | |
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166 | R call (A1 a1, A2 a2) const |
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167 | { |
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168 | return func (self, a1, a2); |
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169 | } |
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170 | |
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171 | R operator ()(A1 a1, A2 a2) const |
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172 | { |
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173 | return call (a1, a2); |
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174 | } |
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175 | }; |
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176 | |
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177 | template<class R, class A1, class A2, class A3> |
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178 | struct callback<R (A1, A2, A3)> |
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179 | { |
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180 | typedef R (*ptr_type)(void *self, A1, A2, A3); |
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181 | |
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182 | private: |
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183 | |
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184 | void *self; |
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185 | ptr_type func; |
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186 | |
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187 | protected: |
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188 | |
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189 | template<typename method> |
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190 | struct thunktype; |
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191 | |
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192 | template<class klass> |
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193 | struct thunktype<R (klass::*)> |
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194 | { |
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195 | typedef klass K; |
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196 | }; |
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197 | |
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198 | template<class klass, R (klass::*method)(A1, A2, A3)> |
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199 | static R thunk (void *self, A1 a1, A2 a2, A3 a3) |
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200 | { |
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201 | klass *obj = static_cast<klass *>(self); |
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202 | return (obj->*method) (a1, a2, a3); |
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203 | } |
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204 | |
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205 | public: |
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206 | template<class K, R (K::*method)(A1, A2, A3)> |
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207 | void set (K *object) |
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208 | { |
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209 | self = object; |
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210 | func = thunk<K, method>; |
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211 | } |
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212 | |
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213 | R call (A1 a1, A2 a2, A3 a3) const |
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214 | { |
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215 | return func (self, a1, a2, a3); |
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216 | } |
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217 | |
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218 | R operator ()(A1 a1, A2 a2, A3 a3) const |
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219 | { |
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220 | return call (a1, a2, a3); |
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221 | } |
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222 | }; |
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223 | |
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224 | template<class R, class A1, class A2, class A3, class A4> |
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225 | struct callback<R (A1, A2, A3, A4)> |
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226 | { |
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227 | typedef R (*ptr_type)(void *self, A1, A2, A3, A4); |
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228 | |
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229 | private: |
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230 | |
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231 | void *self; |
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232 | ptr_type func; |
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233 | |
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234 | protected: |
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235 | |
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236 | template<typename method> |
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237 | struct thunktype; |
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238 | |
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239 | template<class klass> |
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240 | struct thunktype<R (klass::*)> |
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241 | { |
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242 | typedef klass K; |
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243 | }; |
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244 | |
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245 | template<class klass, R (klass::*method)(A1, A2, A3, A4)> |
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246 | static R thunk (void *self, A1 a1, A2 a2, A3 a3, A4 a4) |
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247 | { |
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248 | klass *obj = static_cast<klass *>(self); |
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249 | return (obj->*method) (a1, a2, a3, a4); |
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250 | } |
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251 | |
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252 | public: |
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253 | template<class K, R (K::*method)(A1, A2, A3, A4)> |
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254 | void set (K *object) |
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255 | { |
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256 | self = object; |
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257 | func = thunk<K, method>; |
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258 | } |
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259 | |
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260 | R call (A1 a1, A2 a2, A3 a3, A4 a4) const |
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261 | { |
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262 | return func (self, a1, a2, a3, a4); |
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263 | } |
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264 | |
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265 | R operator ()(A1 a1, A2 a2, A3 a3, A4 a4) const |
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266 | { |
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267 | return call (a1, a2, a3, a4); |
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268 | } |
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269 | }; |
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270 | |
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271 | template<class R, class A1, class A2, class A3, class A4, class A5> |
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272 | struct callback<R (A1, A2, A3, A4, A5)> |
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273 | { |
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274 | typedef R (*ptr_type)(void *self, A1, A2, A3, A4, A5); |
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275 | |
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276 | private: |
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277 | |
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278 | void *self; |
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279 | ptr_type func; |
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280 | |
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281 | protected: |
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282 | |
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283 | template<typename method> |
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284 | struct thunktype; |
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285 | |
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286 | template<class klass> |
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287 | struct thunktype<R (klass::*)> |
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288 | { |
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289 | typedef klass K; |
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290 | }; |
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291 | |
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292 | template<class klass, R (klass::*method)(A1, A2, A3, A4, A5)> |
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293 | static R thunk (void *self, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5) |
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294 | { |
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295 | klass *obj = static_cast<klass *>(self); |
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296 | return (obj->*method) (a1, a2, a3, a4, a5); |
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297 | } |
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298 | |
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299 | public: |
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300 | template<class K, R (K::*method)(A1, A2, A3, A4, A5)> |
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301 | void set (K *object) |
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302 | { |
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303 | self = object; |
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304 | func = thunk<K, method>; |
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305 | } |
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306 | |
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307 | R call (A1 a1, A2 a2, A3 a3, A4 a4, A5 a5) const |
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308 | { |
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309 | return func (self, a1, a2, a3, a4, a5); |
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310 | } |
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311 | |
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312 | R operator ()(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5) const |
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313 | { |
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314 | return call (a1, a2, a3, a4, a5); |
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315 | } |
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316 | }; |
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317 | |
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318 | template<class R, class A1, class A2, class A3, class A4, class A5, class A6> |
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319 | struct callback<R (A1, A2, A3, A4, A5, A6)> |
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320 | { |
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321 | typedef R (*ptr_type)(void *self, A1, A2, A3, A4, A5, A6); |
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322 | |
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323 | private: |
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324 | |
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325 | void *self; |
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326 | ptr_type func; |
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327 | |
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328 | protected: |
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329 | |
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330 | template<typename method> |
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331 | struct thunktype; |
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332 | |
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333 | template<class klass> |
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334 | struct thunktype<R (klass::*)> |
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335 | { |
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336 | typedef klass K; |
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337 | }; |
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338 | |
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339 | template<class klass, R (klass::*method)(A1, A2, A3, A4, A5, A6)> |
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340 | static R thunk (void *self, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6) |
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341 | { |
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342 | klass *obj = static_cast<klass *>(self); |
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343 | return (obj->*method) (a1, a2, a3, a4, a5, a6); |
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344 | } |
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345 | |
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346 | public: |
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347 | template<class K, R (K::*method)(A1, A2, A3, A4, A5, A6)> |
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348 | void set (K *object) |
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349 | { |
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350 | self = object; |
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351 | func = thunk<K, method>; |
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352 | } |
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353 | |
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354 | R call (A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6) const |
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355 | { |
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356 | return func (self, a1, a2, a3, a4, a5, a6); |
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357 | } |
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358 | |
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359 | R operator ()(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6) const |
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360 | { |
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361 | return call (a1, a2, a3, a4, a5, a6); |
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362 | } |
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363 | }; |
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364 | |
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365 | template<class R, class A1, class A2, class A3, class A4, class A5, class A6, class A7> |
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366 | struct callback<R (A1, A2, A3, A4, A5, A6, A7)> |
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367 | { |
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368 | typedef R (*ptr_type)(void *self, A1, A2, A3, A4, A5, A6, A7); |
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369 | |
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370 | private: |
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371 | |
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372 | void *self; |
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373 | ptr_type func; |
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374 | |
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375 | protected: |
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376 | |
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377 | template<typename method> |
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378 | struct thunktype; |
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379 | |
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380 | template<class klass> |
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381 | struct thunktype<R (klass::*)> |
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382 | { |
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383 | typedef klass K; |
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384 | }; |
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385 | |
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386 | template<class klass, R (klass::*method)(A1, A2, A3, A4, A5, A6, A7)> |
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387 | static R thunk (void *self, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7) |
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388 | { |
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389 | klass *obj = static_cast<klass *>(self); |
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390 | return (obj->*method) (a1, a2, a3, a4, a5, a6, a7); |
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391 | } |
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392 | |
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393 | public: |
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394 | template<class K, R (K::*method)(A1, A2, A3, A4, A5, A6, A7)> |
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395 | void set (K *object) |
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396 | { |
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397 | self = object; |
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398 | func = thunk<K, method>; |
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399 | } |
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400 | |
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401 | R call (A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7) const |
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402 | { |
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403 | return func (self, a1, a2, a3, a4, a5, a6, a7); |
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404 | } |
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405 | |
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406 | R operator ()(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7) const |
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407 | { |
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408 | return call (a1, a2, a3, a4, a5, a6, a7); |
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409 | } |
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410 | }; |
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411 | |
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412 | template<class R, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8> |
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413 | struct callback<R (A1, A2, A3, A4, A5, A6, A7, A8)> |
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414 | { |
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415 | typedef R (*ptr_type)(void *self, A1, A2, A3, A4, A5, A6, A7, A8); |
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416 | |
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417 | private: |
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418 | |
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419 | void *self; |
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420 | ptr_type func; |
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421 | |
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422 | protected: |
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423 | |
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424 | template<typename method> |
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425 | struct thunktype; |
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426 | |
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427 | template<class klass> |
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428 | struct thunktype<R (klass::*)> |
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429 | { |
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430 | typedef klass K; |
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431 | }; |
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432 | |
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433 | template<class klass, R (klass::*method)(A1, A2, A3, A4, A5, A6, A7, A8)> |
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434 | static R thunk (void *self, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8) |
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435 | { |
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436 | klass *obj = static_cast<klass *>(self); |
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437 | return (obj->*method) (a1, a2, a3, a4, a5, a6, a7, a8); |
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438 | } |
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439 | |
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440 | public: |
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441 | template<class K, R (K::*method)(A1, A2, A3, A4, A5, A6, A7, A8)> |
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442 | void set (K *object) |
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443 | { |
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444 | self = object; |
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445 | func = thunk<K, method>; |
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446 | } |
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447 | |
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448 | R call (A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8) const |
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449 | { |
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450 | return func (self, a1, a2, a3, a4, a5, a6, a7, a8); |
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451 | } |
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452 | |
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453 | R operator ()(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8) const |
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454 | { |
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455 | return call (a1, a2, a3, a4, a5, a6, a7, a8); |
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456 | } |
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457 | }; |
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458 | |
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459 | template<class R, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9> |
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460 | struct callback<R (A1, A2, A3, A4, A5, A6, A7, A8, A9)> |
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461 | { |
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462 | typedef R (*ptr_type)(void *self, A1, A2, A3, A4, A5, A6, A7, A8, A9); |
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463 | |
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464 | private: |
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465 | |
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466 | void *self; |
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467 | ptr_type func; |
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468 | |
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469 | protected: |
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470 | |
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471 | template<typename method> |
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472 | struct thunktype; |
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473 | |
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474 | template<class klass> |
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475 | struct thunktype<R (klass::*)> |
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476 | { |
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477 | typedef klass K; |
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478 | }; |
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479 | |
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480 | template<class klass, R (klass::*method)(A1, A2, A3, A4, A5, A6, A7, A8, A9)> |
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481 | static R thunk (void *self, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9) |
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482 | { |
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483 | klass *obj = static_cast<klass *>(self); |
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484 | return (obj->*method) (a1, a2, a3, a4, a5, a6, a7, a8, a9); |
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485 | } |
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486 | |
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487 | public: |
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488 | template<class K, R (K::*method)(A1, A2, A3, A4, A5, A6, A7, A8, A9)> |
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489 | void set (K *object) |
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490 | { |
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491 | self = object; |
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492 | func = thunk<K, method>; |
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493 | } |
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494 | |
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495 | R call (A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9) const |
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496 | { |
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497 | return func (self, a1, a2, a3, a4, a5, a6, a7, a8, a9); |
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498 | } |
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499 | |
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500 | R operator ()(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9) const |
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501 | { |
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502 | return call (a1, a2, a3, a4, a5, a6, a7, a8, a9); |
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503 | } |
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504 | }; |
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505 | |
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506 | template<class R, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9, class A10> |
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507 | struct callback<R (A1, A2, A3, A4, A5, A6, A7, A8, A9, A10)> |
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508 | { |
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509 | typedef R (*ptr_type)(void *self, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10); |
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510 | |
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511 | private: |
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512 | |
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513 | void *self; |
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514 | ptr_type func; |
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515 | |
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516 | protected: |
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517 | |
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518 | template<typename method> |
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519 | struct thunktype; |
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520 | |
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521 | template<class klass> |
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522 | struct thunktype<R (klass::*)> |
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523 | { |
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524 | typedef klass K; |
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525 | }; |
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526 | |
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527 | template<class klass, R (klass::*method)(A1, A2, A3, A4, A5, A6, A7, A8, A9, A10)> |
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528 | static R thunk (void *self, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9, A10 a10) |
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529 | { |
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530 | klass *obj = static_cast<klass *>(self); |
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531 | return (obj->*method) (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10); |
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532 | } |
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533 | |
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534 | public: |
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535 | template<class K, R (K::*method)(A1, A2, A3, A4, A5, A6, A7, A8, A9, A10)> |
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536 | void set (K *object) |
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537 | { |
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538 | self = object; |
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539 | func = thunk<K, method>; |
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540 | } |
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541 | |
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542 | R call (A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9, A10 a10) const |
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543 | { |
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544 | return func (self, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10); |
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545 | } |
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546 | |
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547 | R operator ()(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9, A10 a10) const |
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548 | { |
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549 | return call (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10); |
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550 | } |
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551 | }; |
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552 | |
64 | |
553 | |
65 | #endif |
554 | #endif |
66 | |
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