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1 | /* | |
2 | * Name: wx/dlimpexp.h | |
3 | * Purpose: Macros for declaring DLL-imported/exported functions | |
4 | * Author: Vadim Zeitlin | |
5 | * Modified by: | |
6 | * Created: 16.10.2003 (extracted from wx/defs.h) | |
7 | * Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org> | |
8 | * Licence: wxWindows licence | |
9 | */ | |
10 | ||
11 | /* | |
12 | This is a C file, not C++ one, do not use C++ comments here! | |
13 | */ | |
14 | ||
15 | #ifndef _WX_DLIMPEXP_H_ | |
16 | #define _WX_DLIMPEXP_H_ | |
17 | ||
18 | #if defined(HAVE_VISIBILITY) | |
19 | # define WXEXPORT __attribute__ ((visibility("default"))) | |
20 | # define WXIMPORT __attribute__ ((visibility("default"))) | |
21 | #elif defined(__WINDOWS__) | |
22 | /* | |
23 | __declspec works in BC++ 5 and later, Watcom C++ 11.0 and later as well | |
24 | as VC++. | |
25 | */ | |
26 | # if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__) | |
27 | # define WXEXPORT __declspec(dllexport) | |
28 | # define WXIMPORT __declspec(dllimport) | |
29 | /* | |
30 | While gcc also supports __declspec(dllexport), it creates unusably huge | |
31 | DLL files since gcc 4.5 (while taking horribly long amounts of time), | |
32 | see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43601. Because of this | |
33 | we rely on binutils auto export/import support which seems to work | |
34 | quite well for 4.5+. | |
35 | */ | |
36 | # elif defined(__GNUC__) && !wxCHECK_GCC_VERSION(4, 5) | |
37 | /* | |
38 | __declspec could be used here too but let's use the native | |
39 | __attribute__ instead for clarity. | |
40 | */ | |
41 | # define WXEXPORT __attribute__((dllexport)) | |
42 | # define WXIMPORT __attribute__((dllimport)) | |
43 | # endif | |
44 | #elif defined(__WXPM__) | |
45 | # if defined (__WATCOMC__) | |
46 | # define WXEXPORT __declspec(dllexport) | |
47 | /* | |
48 | __declspec(dllimport) prepends __imp to imported symbols. We do NOT | |
49 | want that! | |
50 | */ | |
51 | # define WXIMPORT | |
52 | # elif defined(__EMX__) | |
53 | # define WXEXPORT | |
54 | # define WXIMPORT | |
55 | # elif (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 ))) | |
56 | # define WXEXPORT _Export | |
57 | # define WXIMPORT _Export | |
58 | # endif | |
59 | #elif defined(__CYGWIN__) | |
60 | # define WXEXPORT __declspec(dllexport) | |
61 | # define WXIMPORT __declspec(dllimport) | |
62 | #endif | |
63 | ||
64 | /* for other platforms/compilers we don't anything */ | |
65 | #ifndef WXEXPORT | |
66 | # define WXEXPORT | |
67 | # define WXIMPORT | |
68 | #endif | |
69 | ||
70 | /* | |
71 | We support building wxWidgets as a set of several libraries but we don't | |
72 | support arbitrary combinations of libs/DLLs: either we build all of them as | |
73 | DLLs (in which case WXMAKINGDLL is defined) or none (it isn't). | |
74 | ||
75 | However we have a problem because we need separate WXDLLIMPEXP versions for | |
76 | different libraries as, for example, wxString class should be dllexported | |
77 | when compiled in wxBase and dllimported otherwise, so we do define separate | |
78 | WXMAKING/USINGDLL_XYZ constants for each component XYZ. | |
79 | */ | |
80 | #ifdef WXMAKINGDLL | |
81 | # if wxUSE_BASE | |
82 | # define WXMAKINGDLL_BASE | |
83 | # endif | |
84 | ||
85 | # define WXMAKINGDLL_NET | |
86 | # define WXMAKINGDLL_CORE | |
87 | # define WXMAKINGDLL_ADV | |
88 | # define WXMAKINGDLL_QA | |
89 | # define WXMAKINGDLL_HTML | |
90 | # define WXMAKINGDLL_GL | |
91 | # define WXMAKINGDLL_XML | |
92 | # define WXMAKINGDLL_XRC | |
93 | # define WXMAKINGDLL_AUI | |
94 | # define WXMAKINGDLL_PROPGRID | |
95 | # define WXMAKINGDLL_RIBBON | |
96 | # define WXMAKINGDLL_RICHTEXT | |
97 | # define WXMAKINGDLL_MEDIA | |
98 | # define WXMAKINGDLL_STC | |
99 | # define WXMAKINGDLL_WEBVIEW | |
100 | #endif /* WXMAKINGDLL */ | |
101 | ||
102 | /* | |
103 | WXDLLIMPEXP_CORE maps to export declaration when building the DLL, to import | |
104 | declaration if using it or to nothing at all if we don't use wxWin as DLL | |
105 | */ | |
106 | #ifdef WXMAKINGDLL_BASE | |
107 | # define WXDLLIMPEXP_BASE WXEXPORT | |
108 | # define WXDLLIMPEXP_DATA_BASE(type) WXEXPORT type | |
109 | # if defined(HAVE_VISIBILITY) | |
110 | # define WXDLLIMPEXP_INLINE_BASE WXEXPORT | |
111 | # else | |
112 | # define WXDLLIMPEXP_INLINE_BASE | |
113 | # endif | |
114 | #elif defined(WXUSINGDLL) | |
115 | # define WXDLLIMPEXP_BASE WXIMPORT | |
116 | # define WXDLLIMPEXP_DATA_BASE(type) WXIMPORT type | |
117 | # if defined(HAVE_VISIBILITY) | |
118 | # define WXDLLIMPEXP_INLINE_BASE WXIMPORT | |
119 | # else | |
120 | # define WXDLLIMPEXP_INLINE_BASE | |
121 | # endif | |
122 | #else /* not making nor using DLL */ | |
123 | # define WXDLLIMPEXP_BASE | |
124 | # define WXDLLIMPEXP_DATA_BASE(type) type | |
125 | # define WXDLLIMPEXP_INLINE_BASE | |
126 | #endif | |
127 | ||
128 | #ifdef WXMAKINGDLL_NET | |
129 | # define WXDLLIMPEXP_NET WXEXPORT | |
130 | # define WXDLLIMPEXP_DATA_NET(type) WXEXPORT type | |
131 | #elif defined(WXUSINGDLL) | |
132 | # define WXDLLIMPEXP_NET WXIMPORT | |
133 | # define WXDLLIMPEXP_DATA_NET(type) WXIMPORT type | |
134 | #else /* not making nor using DLL */ | |
135 | # define WXDLLIMPEXP_NET | |
136 | # define WXDLLIMPEXP_DATA_NET(type) type | |
137 | #endif | |
138 | ||
139 | #ifdef WXMAKINGDLL_CORE | |
140 | # define WXDLLIMPEXP_CORE WXEXPORT | |
141 | # define WXDLLIMPEXP_DATA_CORE(type) WXEXPORT type | |
142 | # if defined(HAVE_VISIBILITY) | |
143 | # define WXDLLIMPEXP_INLINE_CORE WXEXPORT | |
144 | # else | |
145 | # define WXDLLIMPEXP_INLINE_CORE | |
146 | # endif | |
147 | #elif defined(WXUSINGDLL) | |
148 | # define WXDLLIMPEXP_CORE WXIMPORT | |
149 | # define WXDLLIMPEXP_DATA_CORE(type) WXIMPORT type | |
150 | # if defined(HAVE_VISIBILITY) | |
151 | # define WXDLLIMPEXP_INLINE_CORE WXIMPORT | |
152 | # else | |
153 | # define WXDLLIMPEXP_INLINE_CORE | |
154 | # endif | |
155 | #else /* not making nor using DLL */ | |
156 | # define WXDLLIMPEXP_CORE | |
157 | # define WXDLLIMPEXP_DATA_CORE(type) type | |
158 | # define WXDLLIMPEXP_INLINE_CORE | |
159 | #endif | |
160 | ||
161 | #ifdef WXMAKINGDLL_ADV | |
162 | # define WXDLLIMPEXP_ADV WXEXPORT | |
163 | # define WXDLLIMPEXP_DATA_ADV(type) WXEXPORT type | |
164 | #elif defined(WXUSINGDLL) | |
165 | # define WXDLLIMPEXP_ADV WXIMPORT | |
166 | # define WXDLLIMPEXP_DATA_ADV(type) WXIMPORT type | |
167 | #else /* not making nor using DLL */ | |
168 | # define WXDLLIMPEXP_ADV | |
169 | # define WXDLLIMPEXP_DATA_ADV(type) type | |
170 | #endif | |
171 | ||
172 | #ifdef WXMAKINGDLL_QA | |
173 | # define WXDLLIMPEXP_QA WXEXPORT | |
174 | # define WXDLLIMPEXP_DATA_QA(type) WXEXPORT type | |
175 | #elif defined(WXUSINGDLL) | |
176 | # define WXDLLIMPEXP_QA WXIMPORT | |
177 | # define WXDLLIMPEXP_DATA_QA(type) WXIMPORT type | |
178 | #else /* not making nor using DLL */ | |
179 | # define WXDLLIMPEXP_QA | |
180 | # define WXDLLIMPEXP_DATA_QA(type) type | |
181 | #endif | |
182 | ||
183 | #ifdef WXMAKINGDLL_HTML | |
184 | # define WXDLLIMPEXP_HTML WXEXPORT | |
185 | # define WXDLLIMPEXP_DATA_HTML(type) WXEXPORT type | |
186 | #elif defined(WXUSINGDLL) | |
187 | # define WXDLLIMPEXP_HTML WXIMPORT | |
188 | # define WXDLLIMPEXP_DATA_HTML(type) WXIMPORT type | |
189 | #else /* not making nor using DLL */ | |
190 | # define WXDLLIMPEXP_HTML | |
191 | # define WXDLLIMPEXP_DATA_HTML(type) type | |
192 | #endif | |
193 | ||
194 | #ifdef WXMAKINGDLL_GL | |
195 | # define WXDLLIMPEXP_GL WXEXPORT | |
196 | #elif defined(WXUSINGDLL) | |
197 | # define WXDLLIMPEXP_GL WXIMPORT | |
198 | #else /* not making nor using DLL */ | |
199 | # define WXDLLIMPEXP_GL | |
200 | #endif | |
201 | ||
202 | #ifdef WXMAKINGDLL_XML | |
203 | # define WXDLLIMPEXP_XML WXEXPORT | |
204 | #elif defined(WXUSINGDLL) | |
205 | # define WXDLLIMPEXP_XML WXIMPORT | |
206 | #else /* not making nor using DLL */ | |
207 | # define WXDLLIMPEXP_XML | |
208 | #endif | |
209 | ||
210 | #ifdef WXMAKINGDLL_XRC | |
211 | # define WXDLLIMPEXP_XRC WXEXPORT | |
212 | #elif defined(WXUSINGDLL) | |
213 | # define WXDLLIMPEXP_XRC WXIMPORT | |
214 | #else /* not making nor using DLL */ | |
215 | # define WXDLLIMPEXP_XRC | |
216 | #endif | |
217 | ||
218 | #ifdef WXMAKINGDLL_AUI | |
219 | # define WXDLLIMPEXP_AUI WXEXPORT | |
220 | #elif defined(WXUSINGDLL) | |
221 | # define WXDLLIMPEXP_AUI WXIMPORT | |
222 | #else /* not making nor using DLL */ | |
223 | # define WXDLLIMPEXP_AUI | |
224 | #endif | |
225 | ||
226 | #ifdef WXMAKINGDLL_PROPGRID | |
227 | # define WXDLLIMPEXP_PROPGRID WXEXPORT | |
228 | # define WXDLLIMPEXP_DATA_PROPGRID(type) WXEXPORT type | |
229 | #elif defined(WXUSINGDLL) | |
230 | # define WXDLLIMPEXP_PROPGRID WXIMPORT | |
231 | # define WXDLLIMPEXP_DATA_PROPGRID(type) WXIMPORT type | |
232 | #else /* not making nor using DLL */ | |
233 | # define WXDLLIMPEXP_PROPGRID | |
234 | # define WXDLLIMPEXP_DATA_PROPGRID(type) type | |
235 | #endif | |
236 | ||
237 | #ifdef WXMAKINGDLL_RIBBON | |
238 | # define WXDLLIMPEXP_RIBBON WXEXPORT | |
239 | #elif defined(WXUSINGDLL) | |
240 | # define WXDLLIMPEXP_RIBBON WXIMPORT | |
241 | #else /* not making nor using DLL */ | |
242 | # define WXDLLIMPEXP_RIBBON | |
243 | #endif | |
244 | ||
245 | #ifdef WXMAKINGDLL_RICHTEXT | |
246 | # define WXDLLIMPEXP_RICHTEXT WXEXPORT | |
247 | #elif defined(WXUSINGDLL) | |
248 | # define WXDLLIMPEXP_RICHTEXT WXIMPORT | |
249 | #else /* not making nor using DLL */ | |
250 | # define WXDLLIMPEXP_RICHTEXT | |
251 | #endif | |
252 | ||
253 | #ifdef WXMAKINGDLL_MEDIA | |
254 | # define WXDLLIMPEXP_MEDIA WXEXPORT | |
255 | #elif defined(WXUSINGDLL) | |
256 | # define WXDLLIMPEXP_MEDIA WXIMPORT | |
257 | #else /* not making nor using DLL */ | |
258 | # define WXDLLIMPEXP_MEDIA | |
259 | #endif | |
260 | ||
261 | #ifdef WXMAKINGDLL_STC | |
262 | # define WXDLLIMPEXP_STC WXEXPORT | |
263 | # define WXDLLIMPEXP_DATA_STC(type) WXEXPORT type | |
264 | #elif defined(WXUSINGDLL) | |
265 | # define WXDLLIMPEXP_STC WXIMPORT | |
266 | # define WXDLLIMPEXP_DATA_STC(type) WXIMPORT type | |
267 | #else /* not making nor using DLL */ | |
268 | # define WXDLLIMPEXP_STC | |
269 | # define WXDLLIMPEXP_DATA_STC(type) type | |
270 | #endif | |
271 | ||
272 | #ifdef WXMAKINGDLL_WEBVIEW | |
273 | # define WXDLLIMPEXP_WEBVIEW WXEXPORT | |
274 | # define WXDLLIMPEXP_DATA_WEBVIEW(type) WXEXPORT type | |
275 | #elif defined(WXUSINGDLL) | |
276 | # define WXDLLIMPEXP_WEBVIEW WXIMPORT | |
277 | # define WXDLLIMPEXP_DATA_WEBVIEW(type) WXIMPORT type | |
278 | #else /* not making nor using DLL */ | |
279 | # define WXDLLIMPEXP_WEBVIEW | |
280 | # define WXDLLIMPEXP_DATA_WEBVIEW(type) type | |
281 | #endif | |
282 | ||
283 | /* | |
284 | GCC warns about using __attribute__ (and also __declspec in mingw32 case) on | |
285 | forward declarations while MSVC complains about forward declarations without | |
286 | __declspec for the classes later declared with it, so we need a separate set | |
287 | of macros for forward declarations to hide this difference: | |
288 | */ | |
289 | #if defined(HAVE_VISIBILITY) || (defined(__WINDOWS__) && defined(__GNUC__)) | |
290 | #define WXDLLIMPEXP_FWD_BASE | |
291 | #define WXDLLIMPEXP_FWD_NET | |
292 | #define WXDLLIMPEXP_FWD_CORE | |
293 | #define WXDLLIMPEXP_FWD_ADV | |
294 | #define WXDLLIMPEXP_FWD_QA | |
295 | #define WXDLLIMPEXP_FWD_HTML | |
296 | #define WXDLLIMPEXP_FWD_GL | |
297 | #define WXDLLIMPEXP_FWD_XML | |
298 | #define WXDLLIMPEXP_FWD_XRC | |
299 | #define WXDLLIMPEXP_FWD_AUI | |
300 | #define WXDLLIMPEXP_FWD_PROPGRID | |
301 | #define WXDLLIMPEXP_FWD_RIBBON | |
302 | #define WXDLLIMPEXP_FWD_RICHTEXT | |
303 | #define WXDLLIMPEXP_FWD_MEDIA | |
304 | #define WXDLLIMPEXP_FWD_STC | |
305 | #define WXDLLIMPEXP_FWD_WEBVIEW | |
306 | #else | |
307 | #define WXDLLIMPEXP_FWD_BASE WXDLLIMPEXP_BASE | |
308 | #define WXDLLIMPEXP_FWD_NET WXDLLIMPEXP_NET | |
309 | #define WXDLLIMPEXP_FWD_CORE WXDLLIMPEXP_CORE | |
310 | #define WXDLLIMPEXP_FWD_ADV WXDLLIMPEXP_ADV | |
311 | #define WXDLLIMPEXP_FWD_QA WXDLLIMPEXP_QA | |
312 | #define WXDLLIMPEXP_FWD_HTML WXDLLIMPEXP_HTML | |
313 | #define WXDLLIMPEXP_FWD_GL WXDLLIMPEXP_GL | |
314 | #define WXDLLIMPEXP_FWD_XML WXDLLIMPEXP_XML | |
315 | #define WXDLLIMPEXP_FWD_XRC WXDLLIMPEXP_XRC | |
316 | #define WXDLLIMPEXP_FWD_AUI WXDLLIMPEXP_AUI | |
317 | #define WXDLLIMPEXP_FWD_PROPGRID WXDLLIMPEXP_PROPGRID | |
318 | #define WXDLLIMPEXP_FWD_RIBBON WXDLLIMPEXP_RIBBON | |
319 | #define WXDLLIMPEXP_FWD_RICHTEXT WXDLLIMPEXP_RICHTEXT | |
320 | #define WXDLLIMPEXP_FWD_MEDIA WXDLLIMPEXP_MEDIA | |
321 | #define WXDLLIMPEXP_FWD_STC WXDLLIMPEXP_STC | |
322 | #define WXDLLIMPEXP_FWD_WEBVIEW WXDLLIMPEXP_WEBVIEW | |
323 | #endif | |
324 | ||
325 | /* for backwards compatibility, define suffix-less versions too */ | |
326 | #define WXDLLEXPORT WXDLLIMPEXP_CORE | |
327 | #define WXDLLEXPORT_DATA WXDLLIMPEXP_DATA_CORE | |
328 | ||
329 | /* | |
330 | MSVC up to 6.0 needs to be explicitly told to export template instantiations | |
331 | used by the DLL clients, use this macro to do it like this: | |
332 | ||
333 | template <typename T> class Foo { ... }; | |
334 | WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE( Foo<int> ) | |
335 | ||
336 | (notice that currently we only need this for wxBase and wxCore libraries) | |
337 | */ | |
338 | #if defined(__VISUALC__) && (__VISUALC__ <= 1200) | |
339 | #ifdef WXMAKINGDLL_BASE | |
340 | #define WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(decl) \ | |
341 | template class WXDLLIMPEXP_BASE decl; | |
342 | #define WXDLLIMPEXP_TEMPLATE_INSTANCE_CORE(decl) \ | |
343 | template class WXDLLIMPEXP_CORE decl; | |
344 | #else | |
345 | /* | |
346 | We need to disable this warning when using this macro, as | |
347 | recommended by Microsoft itself: | |
348 | ||
349 | http://support.microsoft.com/default.aspx?scid=kb%3ben-us%3b168958 | |
350 | */ | |
351 | #pragma warning(disable:4231) | |
352 | ||
353 | #define WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(decl) \ | |
354 | extern template class WXDLLIMPEXP_BASE decl; | |
355 | #define WXDLLIMPEXP_TEMPLATE_INSTANCE_CORE(decl) \ | |
356 | extern template class WXDLLIMPEXP_CORE decl; | |
357 | #endif | |
358 | #else /* not VC <= 6 */ | |
359 | #define WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(decl) | |
360 | #define WXDLLIMPEXP_TEMPLATE_INSTANCE_CORE(decl) | |
361 | #endif /* VC6/others */ | |
362 | ||
363 | #endif /* _WX_DLIMPEXP_H_ */ | |
364 |