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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 * RCS-ID: $Id$
77ffb593 8 * Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
65571936 9 * Licence: wxWindows licence
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10 */
11
12/*
13 This is a C file, not C++ one, do not use C++ comments here!
14 */
15
16#ifndef _WX_DLIMPEXP_H_
17#define _WX_DLIMPEXP_H_
18
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19#if defined(HAVE_VISIBILITY)
20# define WXEXPORT __attribute__ ((visibility("default")))
21# define WXIMPORT __attribute__ ((visibility("default")))
22#elif defined(__WINDOWS__)
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23 /*
24 __declspec works in BC++ 5 and later, Watcom C++ 11.0 and later as well
49d2c0ad 25 as VC++.
0cc66b6c 26 */
49d2c0ad 27# if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
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28# define WXEXPORT __declspec(dllexport)
29# define WXIMPORT __declspec(dllimport)
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30 /*
31 While gcc also supports __declspec(dllexport), it creates unusably huge
32 DLL files since gcc 4.5 (while taking horribly long amounts of time),
33 see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43601. Because of this
34 we rely on binutils auto export/import support which seems to work
35 quite well for 4.5+.
36 */
37# elif defined(__GNUC__) && !wxCHECK_GCC_VERSION(4, 5)
38 /*
39 __declspec could be used here too but let's use the native
40 __attribute__ instead for clarity.
41 */
42# define WXEXPORT __attribute__((dllexport))
43# define WXIMPORT __attribute__((dllimport))
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44# endif
45#elif defined(__WXPM__)
46# if defined (__WATCOMC__)
47# define WXEXPORT __declspec(dllexport)
48 /*
49 __declspec(dllimport) prepends __imp to imported symbols. We do NOT
50 want that!
51 */
52# define WXIMPORT
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53# elif defined(__EMX__)
54# define WXEXPORT
55# define WXIMPORT
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56# elif (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
57# define WXEXPORT _Export
58# define WXIMPORT _Export
59# endif
60#elif defined(__WXMAC__) || defined(__WXCOCOA__)
61# ifdef __MWERKS__
62# define WXEXPORT __declspec(export)
63# define WXIMPORT __declspec(import)
64# endif
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65#elif defined(__CYGWIN__)
66# define WXEXPORT __declspec(dllexport)
67# define WXIMPORT __declspec(dllimport)
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68#endif
69
70/* for other platforms/compilers we don't anything */
71#ifndef WXEXPORT
72# define WXEXPORT
73# define WXIMPORT
74#endif
75
76/*
77ffb593 77 We support building wxWidgets as a set of several libraries but we don't
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78 support arbitrary combinations of libs/DLLs: either we build all of them as
79 DLLs (in which case WXMAKINGDLL is defined) or none (it isn't).
80
53a2db12 81 However we have a problem because we need separate WXDLLIMPEXP versions for
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82 different libraries as, for example, wxString class should be dllexported
83 when compiled in wxBase and dllimported otherwise, so we do define separate
84 WXMAKING/USINGDLL_XYZ constants for each component XYZ.
85 */
86#ifdef WXMAKINGDLL
87# if wxUSE_BASE
88# define WXMAKINGDLL_BASE
89# endif
90
91# define WXMAKINGDLL_NET
92# define WXMAKINGDLL_CORE
93# define WXMAKINGDLL_ADV
f5a9eef7 94# define WXMAKINGDLL_QA
0cc66b6c 95# define WXMAKINGDLL_HTML
0ae4d121 96# define WXMAKINGDLL_GL
0cc66b6c 97# define WXMAKINGDLL_XML
c846884b 98# define WXMAKINGDLL_XRC
5e4903f5 99# define WXMAKINGDLL_AUI
3c3ead1d 100# define WXMAKINGDLL_RIBBON
d4cd6b3e 101# define WXMAKINGDLL_PROPGRID
3b2cb431 102# define WXMAKINGDLL_RICHTEXT
c220a8ec 103# define WXMAKINGDLL_MEDIA
c079af66 104# define WXMAKINGDLL_STC
467d261e 105# define WXMAKINGDLL_WEBVIEW
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106#endif /* WXMAKINGDLL */
107
108/*
53a2db12 109 WXDLLIMPEXP_CORE maps to export declaration when building the DLL, to import
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110 declaration if using it or to nothing at all if we don't use wxWin as DLL
111 */
112#ifdef WXMAKINGDLL_BASE
113# define WXDLLIMPEXP_BASE WXEXPORT
114# define WXDLLIMPEXP_DATA_BASE(type) WXEXPORT type
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115# if defined(HAVE_VISIBILITY)
116# define WXDLLIMPEXP_INLINE_BASE WXEXPORT
117# else
118# define WXDLLIMPEXP_INLINE_BASE
119# endif
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120#elif defined(WXUSINGDLL)
121# define WXDLLIMPEXP_BASE WXIMPORT
122# define WXDLLIMPEXP_DATA_BASE(type) WXIMPORT type
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123# if defined(HAVE_VISIBILITY)
124# define WXDLLIMPEXP_INLINE_BASE WXIMPORT
125# else
126# define WXDLLIMPEXP_INLINE_BASE
127# endif
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128#else /* not making nor using DLL */
129# define WXDLLIMPEXP_BASE
130# define WXDLLIMPEXP_DATA_BASE(type) type
5f9c3802 131# define WXDLLIMPEXP_INLINE_BASE
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132#endif
133
134#ifdef WXMAKINGDLL_NET
135# define WXDLLIMPEXP_NET WXEXPORT
136# define WXDLLIMPEXP_DATA_NET(type) WXEXPORT type
137#elif defined(WXUSINGDLL)
138# define WXDLLIMPEXP_NET WXIMPORT
139# define WXDLLIMPEXP_DATA_NET(type) WXIMPORT type
140#else /* not making nor using DLL */
141# define WXDLLIMPEXP_NET
142# define WXDLLIMPEXP_DATA_NET(type) type
143#endif
144
145#ifdef WXMAKINGDLL_CORE
146# define WXDLLIMPEXP_CORE WXEXPORT
147# define WXDLLIMPEXP_DATA_CORE(type) WXEXPORT type
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148# if defined(HAVE_VISIBILITY)
149# define WXDLLIMPEXP_INLINE_CORE WXEXPORT
150# else
151# define WXDLLIMPEXP_INLINE_CORE
152# endif
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153#elif defined(WXUSINGDLL)
154# define WXDLLIMPEXP_CORE WXIMPORT
155# define WXDLLIMPEXP_DATA_CORE(type) WXIMPORT type
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156# if defined(HAVE_VISIBILITY)
157# define WXDLLIMPEXP_INLINE_CORE WXIMPORT
158# else
159# define WXDLLIMPEXP_INLINE_CORE
160# endif
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161#else /* not making nor using DLL */
162# define WXDLLIMPEXP_CORE
163# define WXDLLIMPEXP_DATA_CORE(type) type
74cc3ec1 164# define WXDLLIMPEXP_INLINE_CORE
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165#endif
166
167#ifdef WXMAKINGDLL_ADV
168# define WXDLLIMPEXP_ADV WXEXPORT
169# define WXDLLIMPEXP_DATA_ADV(type) WXEXPORT type
170#elif defined(WXUSINGDLL)
171# define WXDLLIMPEXP_ADV WXIMPORT
172# define WXDLLIMPEXP_DATA_ADV(type) WXIMPORT type
173#else /* not making nor using DLL */
174# define WXDLLIMPEXP_ADV
175# define WXDLLIMPEXP_DATA_ADV(type) type
176#endif
177
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178#ifdef WXMAKINGDLL_QA
179# define WXDLLIMPEXP_QA WXEXPORT
180# define WXDLLIMPEXP_DATA_QA(type) WXEXPORT type
181#elif defined(WXUSINGDLL)
182# define WXDLLIMPEXP_QA WXIMPORT
183# define WXDLLIMPEXP_DATA_QA(type) WXIMPORT type
184#else /* not making nor using DLL */
185# define WXDLLIMPEXP_QA
186# define WXDLLIMPEXP_DATA_QA(type) type
187#endif
188
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189#ifdef WXMAKINGDLL_HTML
190# define WXDLLIMPEXP_HTML WXEXPORT
191# define WXDLLIMPEXP_DATA_HTML(type) WXEXPORT type
192#elif defined(WXUSINGDLL)
193# define WXDLLIMPEXP_HTML WXIMPORT
194# define WXDLLIMPEXP_DATA_HTML(type) WXIMPORT type
195#else /* not making nor using DLL */
196# define WXDLLIMPEXP_HTML
197# define WXDLLIMPEXP_DATA_HTML(type) type
198#endif
199
200#ifdef WXMAKINGDLL_GL
201# define WXDLLIMPEXP_GL WXEXPORT
202#elif defined(WXUSINGDLL)
203# define WXDLLIMPEXP_GL WXIMPORT
204#else /* not making nor using DLL */
205# define WXDLLIMPEXP_GL
206#endif
207
208#ifdef WXMAKINGDLL_XML
209# define WXDLLIMPEXP_XML WXEXPORT
210#elif defined(WXUSINGDLL)
211# define WXDLLIMPEXP_XML WXIMPORT
212#else /* not making nor using DLL */
213# define WXDLLIMPEXP_XML
214#endif
215
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216#ifdef WXMAKINGDLL_XRC
217# define WXDLLIMPEXP_XRC WXEXPORT
218#elif defined(WXUSINGDLL)
219# define WXDLLIMPEXP_XRC WXIMPORT
220#else /* not making nor using DLL */
221# define WXDLLIMPEXP_XRC
222#endif
223
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224#ifdef WXMAKINGDLL_AUI
225# define WXDLLIMPEXP_AUI WXEXPORT
226#elif defined(WXUSINGDLL)
227# define WXDLLIMPEXP_AUI WXIMPORT
228#else /* not making nor using DLL */
229# define WXDLLIMPEXP_AUI
230#endif
231
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232#ifdef WXMAKINGDLL_RIBBON
233# define WXDLLIMPEXP_RIBBON WXEXPORT
234#elif defined(WXUSINGDLL)
235# define WXDLLIMPEXP_RIBBON WXIMPORT
236#else /* not making nor using DLL */
237# define WXDLLIMPEXP_RIBBON
238#endif
239
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240#ifdef WXMAKINGDLL_PROPGRID
241# define WXDLLIMPEXP_PROPGRID WXEXPORT
23318a53 242# define WXDLLIMPEXP_DATA_PROPGRID(type) WXEXPORT type
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243#elif defined(WXUSINGDLL)
244# define WXDLLIMPEXP_PROPGRID WXIMPORT
23318a53 245# define WXDLLIMPEXP_DATA_PROPGRID(type) WXIMPORT type
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246#else /* not making nor using DLL */
247# define WXDLLIMPEXP_PROPGRID
23318a53 248# define WXDLLIMPEXP_DATA_PROPGRID(type) type
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249#endif
250
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251#ifdef WXMAKINGDLL_RICHTEXT
252# define WXDLLIMPEXP_RICHTEXT WXEXPORT
253#elif defined(WXUSINGDLL)
254# define WXDLLIMPEXP_RICHTEXT WXIMPORT
255#else /* not making nor using DLL */
256# define WXDLLIMPEXP_RICHTEXT
257#endif
258
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259#ifdef WXMAKINGDLL_MEDIA
260# define WXDLLIMPEXP_MEDIA WXEXPORT
261#elif defined(WXUSINGDLL)
262# define WXDLLIMPEXP_MEDIA WXIMPORT
263#else /* not making nor using DLL */
264# define WXDLLIMPEXP_MEDIA
265#endif
266
c079af66 267#ifdef WXMAKINGDLL_STC
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268# define WXDLLIMPEXP_STC WXEXPORT
269# define WXDLLIMPEXP_DATA_STC(type) WXEXPORT type
c079af66 270#elif defined(WXUSINGDLL)
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271# define WXDLLIMPEXP_STC WXIMPORT
272# define WXDLLIMPEXP_DATA_STC(type) WXIMPORT type
c079af66 273#else /* not making nor using DLL */
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274# define WXDLLIMPEXP_STC
275# define WXDLLIMPEXP_DATA_STC(type) type
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276#endif
277
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278#ifdef WXMAKINGDLL_WEBVIEW
279# define WXDLLIMPEXP_WEBVIEW WXEXPORT
280# define WXDLLIMPEXP_DATA_WEBVIEW(type) WXEXPORT type
384b8d9f 281#elif defined(WXUSINGDLL)
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282# define WXDLLIMPEXP_WEBVIEW WXIMPORT
283# define WXDLLIMPEXP_DATA_WEBVIEW(type) WXIMPORT type
384b8d9f 284#else /* not making nor using DLL */
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285# define WXDLLIMPEXP_WEBVIEW
286# define WXDLLIMPEXP_DATA_WEBVIEW(type) type
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287#endif
288
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289/*
290 GCC warns about using __attribute__ (and also __declspec in mingw32 case) on
291 forward declarations while MSVC complains about forward declarations without
292 __declspec for the classes later declared with it, so we need a separate set
293 of macros for forward declarations to hide this difference:
294 */
295#if defined(HAVE_VISIBILITY) || (defined(__WINDOWS__) && defined(__GNUC__))
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296 #define WXDLLIMPEXP_FWD_BASE
297 #define WXDLLIMPEXP_FWD_NET
298 #define WXDLLIMPEXP_FWD_CORE
299 #define WXDLLIMPEXP_FWD_ADV
300 #define WXDLLIMPEXP_FWD_QA
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301 #define WXDLLIMPEXP_FWD_HTML
302 #define WXDLLIMPEXP_FWD_GL
303 #define WXDLLIMPEXP_FWD_XML
304 #define WXDLLIMPEXP_FWD_XRC
305 #define WXDLLIMPEXP_FWD_AUI
d4cd6b3e 306 #define WXDLLIMPEXP_FWD_PROPGRID
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307 #define WXDLLIMPEXP_FWD_RICHTEXT
308 #define WXDLLIMPEXP_FWD_MEDIA
309 #define WXDLLIMPEXP_FWD_STC
467d261e 310 #define WXDLLIMPEXP_FWD_WEBVIEW
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311#else
312 #define WXDLLIMPEXP_FWD_BASE WXDLLIMPEXP_BASE
313 #define WXDLLIMPEXP_FWD_NET WXDLLIMPEXP_NET
314 #define WXDLLIMPEXP_FWD_CORE WXDLLIMPEXP_CORE
315 #define WXDLLIMPEXP_FWD_ADV WXDLLIMPEXP_ADV
316 #define WXDLLIMPEXP_FWD_QA WXDLLIMPEXP_QA
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317 #define WXDLLIMPEXP_FWD_HTML WXDLLIMPEXP_HTML
318 #define WXDLLIMPEXP_FWD_GL WXDLLIMPEXP_GL
319 #define WXDLLIMPEXP_FWD_XML WXDLLIMPEXP_XML
320 #define WXDLLIMPEXP_FWD_XRC WXDLLIMPEXP_XRC
321 #define WXDLLIMPEXP_FWD_AUI WXDLLIMPEXP_AUI
d4cd6b3e 322 #define WXDLLIMPEXP_FWD_PROPGRID WXDLLIMPEXP_PROPGRID
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323 #define WXDLLIMPEXP_FWD_RICHTEXT WXDLLIMPEXP_RICHTEXT
324 #define WXDLLIMPEXP_FWD_MEDIA WXDLLIMPEXP_MEDIA
325 #define WXDLLIMPEXP_FWD_STC WXDLLIMPEXP_STC
467d261e 326 #define WXDLLIMPEXP_FWD_WEBVIEW WXDLLIMPEXP_WEBVIEW
0ff20b9f 327#endif
b5dbe15d 328
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329/* for backwards compatibility, define suffix-less versions too */
330#define WXDLLEXPORT WXDLLIMPEXP_CORE
331#define WXDLLEXPORT_DATA WXDLLIMPEXP_DATA_CORE
332
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333/*
334 MSVC up to 6.0 needs to be explicitly told to export template instantiations
335 used by the DLL clients, use this macro to do it like this:
336
337 template <typename T> class Foo { ... };
338 WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE( Foo<int> )
339
16361ec9 340 (notice that currently we only need this for wxBase and wxCore libraries)
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341 */
342#if defined(__VISUALC__) && (__VISUALC__ <= 1200)
343 #ifdef WXMAKINGDLL_BASE
344 #define WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(decl) \
345 template class WXDLLIMPEXP_BASE decl;
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346 #define WXDLLIMPEXP_TEMPLATE_INSTANCE_CORE(decl) \
347 template class WXDLLIMPEXP_CORE decl;
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348 #else
349 /*
350 We need to disable this warning when using this macro, as
53a2db12 351 recommended by Microsoft itself:
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352
353 http://support.microsoft.com/default.aspx?scid=kb%3ben-us%3b168958
354 */
355 #pragma warning(disable:4231)
356
357 #define WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(decl) \
358 extern template class WXDLLIMPEXP_BASE decl;
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359 #define WXDLLIMPEXP_TEMPLATE_INSTANCE_CORE(decl) \
360 extern template class WXDLLIMPEXP_CORE decl;
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361 #endif
362#else /* not VC <= 6 */
363 #define WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(decl)
16361ec9 364 #define WXDLLIMPEXP_TEMPLATE_INSTANCE_CORE(decl)
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365#endif /* VC6/others */
366
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367#endif /* _WX_DLIMPEXP_H_ */
368