https://mediawiki.gnustep.org/index.php?action=history&feed=atom&title=GNUStep_MacrosGNUStep Macros - Revision history2026-05-10T19:18:10ZRevision history for this page on the wikiMediaWiki 1.35.7https://mediawiki.gnustep.org/index.php?title=GNUStep_Macros&diff=6373&oldid=prevAwiebe at 21:36, 14 July 20122012-07-14T21:36:43Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 21:36, 14 July 2012</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>
<td colspan="2" class="diff-lineno">Line 1:</td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==GCC==</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==Platform Dependant==</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*ifdef __MINGW__ /*do*/ #endif Windows POSIX</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==Memory Managment==</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* RETAIN(x) Bump the retain cound of x where x does not inherit from NSObject. As in foundation objects.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* RELEASE(x) Decrement the retain count of X</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* AUTORELEASE(x)</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* ASSIGN(object,value) to assign an object variable, performing the appropriate re- tain/release as necessary.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* ASSIGN(object,value) to assign an object variable, performing the appropriate re- tain/release as necessary.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* ASSIGNCOPY(object,value) to copy the value and assign it to the object.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* ASSIGNCOPY(object,value) to copy the value and assign it to the object.</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l9" >Line 9:</td>
<td colspan="2" class="diff-lineno">Line 21:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*#ifndef _WIN64 if not 64-bit windows</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*#ifndef _WIN64 if not 64-bit windows</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*GS_WITH_GC is gnustep && has garbage collection</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*GS_WITH_GC is gnustep && has garbage collection</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">==GCC==</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">==Platform Dependant==</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">*ifdef __MINGW__ /*do*/ #endif Windows POSIX</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">==Memory Managment==</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">*RETAIN(x) Bump the retain cound of x where x does not inherit from NSObject. As in foundation objects.</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">*RELEASE(x) Decrement the retain count of X</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
</table>Awiebehttps://mediawiki.gnustep.org/index.php?title=GNUStep_Macros&diff=6371&oldid=prevAwiebe at 21:32, 14 July 20122012-07-14T21:32:19Z<p></p>
<p><b>New page</b></p><div>* ASSIGN(object,value) to assign an object variable, performing the appropriate re- tain/release as necessary.<br />
* ASSIGNCOPY(object,value) to copy the value and assign it to the object.<br />
* DESTROY(object) to release an object variable and set it to nil.<br />
* CREATE AUTORELEASE POOL(name) to create an autorelease pool with the spec- ified name.<br />
* IF NO GC(X) compile the code ’X’ only if GarbageCollection is not in use.<br />
<br />
* #ifdef __OBJC_GC__ /*Code*/ #endif If garbage collection is on then include, otherwise skip.<br />
* __weak This object is weak, if nothing references it, it will be collected.<br />
*#ifndef _WIN64 if not 64-bit windows<br />
*GS_WITH_GC is gnustep && has garbage collection<br />
<br />
==GCC==<br />
<br />
==Platform Dependant==<br />
*ifdef __MINGW__ /*do*/ #endif Windows POSIX<br />
<br />
==Memory Managment==<br />
<br />
*RETAIN(x) Bump the retain cound of x where x does not inherit from NSObject. As in foundation objects.<br />
*RELEASE(x) Decrement the retain count of X<br />
<br />
<br />
==Misc==<br />
<br />
<!--<br />
/* GSVersionMacros.h - macros for managing API versioning and visibility<br />
Copyright (C) 2006 Free Software Foundation, Inc.<br />
<br />
Written by: Richard Frith-Macdonald <rfm@gnu.org><br />
Date: Oct, October 2006<br />
<br />
This file is part of GNUstep.<br />
<br />
This library is free software; you can redistribute it and/or<br />
modify it under the terms of the GNU Lesser General Public<br />
License as published by the Free Software Foundation; either<br />
version 2 of the License, or (at your option) any later version.<br />
<br />
This library is distributed in the hope that it will be useful,<br />
but WITHOUT ANY WARRANTY; without even the implied warranty of<br />
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU<br />
Library General Public License for more details.<br />
<br />
You should have received a copy of the GNU Lesser General Public<br />
License along with this library; if not, write to the Free<br />
Software Foundation, Inc., 51 Franklin Street, Fifth Floor,<br />
Boston, MA 02110-1301, USA.<br />
*/ <br />
<br />
#ifndef __GNUSTEP_GSVERSIONMACROS_H_INCLUDED_<br />
#define __GNUSTEP_GSVERSIONMACROS_H_INCLUDED_<br />
<br />
/* By default we defined NO_GNUSTEP to 0 so that we will include extensions.<br />
*/<br />
#if !defined(NO_GNUSTEP)<br />
# define NO_GNUSTEP 0<br />
#endif<br />
<br />
/* Check consistency of definitions for system compatibility.<br />
*/<br />
#if defined(STRICT_OPENSTEP)<br />
# define GS_OPENSTEP_V 10000<br />
# undef NO_GNUSTEP<br />
# define NO_GNUSTEP 1<br />
#elif defined(STRICT_MACOS_X)<br />
# define GS_OPENSTEP_V 100600<br />
# undef NO_GNUSTEP<br />
# define NO_GNUSTEP 1<br />
#endif<br />
<br />
/*<br />
* For MacOS-X compatibility, we define the MacOS-X version constants and<br />
* we allow MAC_OS_X_VERSION_MIN_ALLOWED or MAC_OS_X_VERSION_MAX_ALLOWED<br />
* instead of GS_OPENSTEP_V<br />
*/<br />
<br />
#ifndef MAC_OS_X_VERSION_10_0<br />
#define MAC_OS_X_VERSION_10_0 100000<br />
#define MAC_OS_X_VERSION_10_1 100100<br />
#define MAC_OS_X_VERSION_10_2 100200<br />
#define MAC_OS_X_VERSION_10_3 100300<br />
#define MAC_OS_X_VERSION_10_4 100400<br />
#define MAC_OS_X_VERSION_10_5 100500<br />
#define MAC_OS_X_VERSION_10_6 100600<br />
#endif /* MAC_OS_X_VERSION_10_0 */<br />
<br />
#ifndef GS_OPENSTEP_V<br />
#ifdef MAC_OS_X_VERSION_MIN_ALLOWED<br />
#define GS_OPENSTEP_V MAC_OS_X_VERSION_MIN_ALLOWED<br />
#else<br />
#ifdef MAC_OS_X_VERSION_MAX_ALLOWED<br />
#define GS_OPENSTEP_V MAC_OS_X_VERSION_MAX_ALLOWED<br />
#endif /* MAC_OS_X_VERSION_MAX_ALLOWED */<br />
#endif /* MAC_OS_X_VERSION_MIN_ALLOWED */<br />
#endif /* GS_OPENSTEP_V */<br />
<br />
/*<br />
* NB. The version values below must be integers ... by convention these are<br />
* made up of two digits each for major, minor and subminor version numbers<br />
* (ie each is in the range 00 to 99 though a leading zero in the major<br />
* number is not permitted).<br />
* So for a MacOS-X 10.3.9 release the version number would be 100309<br />
*<br />
* You may define GS_GNUSTEP_V or GS_OPENSTEP_V to ensure that your<br />
* program only 'sees' the specified varsion of the API.<br />
*/<br />
<br />
/**<br />
* <p>Macro to check a defined GNUstep version number (GS_GNUSTEP_V) against<br />
* the supplied arguments. Returns true if no GNUstep version is specified,<br />
* or if ADD &lt;= version &lt; REM, where ADD is the version<br />
* number at which a feature guarded by the macro was introduced and<br />
* REM is the version number at which it was removed.<br />
* </p><br />
* <p>The version number arguments are six digit integers where the first<br />
* two digits are the major version number, the second two are the minor<br />
* version number and the last two are the subminor number (all left padded<br />
* with a zero where necessary). However, for convenience you can also<br />
* use any of several predefined constants ... <br />
* <ref type="macro" id="GS_API_NONE">GS_API_NONE</ref>,<br />
* <ref type="macro" id="GS_API_LATEST">GS_API_LATEST</ref>,<br />
* <ref type="macro" id="GS_API_OSSPEC">GS_API_OSSPEC</ref>,<br />
* <ref type="macro" id="GS_API_OPENSTEP">GS_API_OPENSTEP</ref>,<br />
* <ref type="macro" id="GS_API_MACOSX">GS_API_MACOSX</ref><br />
* </p><br />
* <p>Also see <ref type="macro" id="OS_API_VERSION">OS_API_VERSION</ref><br />
* </p><br />
* <p>NB. If you are changing the API (eg adding a new feature) you need<br />
* to control the visibility io the new header file code using<br /><br />
* <code>#if GS_API_VERSION(ADD,GS_API_LATEST)</code><br /><br />
* where <code>ADD</code> is the version number of the next minor<br />
* release after the most recent one.<br /><br />
* As a general principle you should <em>not</em> change the API with<br />
* changing subminor version numbers ... as that tends to confuse<br />
* people (though Apple has sometimes done it).<br />
* </p><br />
*/<br />
#define GS_API_VERSION(ADD,REM) \<br />
(!defined(GS_GNUSTEP_V) || (GS_GNUSTEP_V >= ADD && GS_GNUSTEP_V < REM))<br />
<br />
/**<br />
* <p>Macro to check a defined OpenStep/OPENSTEP/MacOS-X version against the<br />
* supplied arguments. Returns true if no version is specified, or if<br />
* ADD &lt;= version &lt; REM, where ADD is the version<br />
* number at which a feature guarded by the macro was introduced and<br />
* REM is the version number at which it was removed.<br />
* </p><br />
* <p>The version number arguments are six digit integers where the first<br />
* two digits are the major version number, the second two are the minor<br />
* version number and the last two are the subminor number (all left padded<br />
* with a zero where necessary). However, for convenience you can also<br />
* use any of several predefined constants ... <br />
* <ref type="macro" id="GS_API_NONE">GS_API_NONE</ref>,<br />
* <ref type="macro" id="GS_API_LATEST">GS_API_LATEST</ref>,<br />
* <ref type="macro" id="GS_API_OSSPEC">GS_API_OSSPEC</ref>,<br />
* <ref type="macro" id="GS_API_OPENSTEP">GS_API_OPENSTEP</ref>,<br />
* <ref type="macro" id="GS_API_MACOSX">GS_API_MACOSX</ref><br />
* </p><br />
* <p>Also see <ref type="macro" id="GS_API_VERSION">GS_API_VERSION</ref><br />
* </p><br />
*/<br />
#define OS_API_VERSION(ADD,REM) \<br />
(!defined(GS_OPENSTEP_V) || (GS_OPENSTEP_V >= ADD && GS_OPENSTEP_V < REM))<br />
<br />
/**<br />
* A constant which is the lowest possible version number (0) so that<br />
* when used as the removal version (second argument of the GS_API_VERSION<br />
* or OS_API_VERSION macro) represents a feature which is not present in<br />
* any version.<br /><br />
* eg.<br /><br />
* #if <ref type="macro" id="OS_API_VERSION">OS_API_VERSION</ref><br />
* (GS_API_NONE, GS_API_NONE)<br /><br />
* denotes code not present in OpenStep/OPENSTEP/MacOS-X<br />
*/<br />
#define GS_API_NONE 0<br />
<br />
/**<br />
* A constant to represent a feature which is still present in the latest<br />
* version. This is the highest possible version number.<br /><br />
* eg.<br /><br />
* #if <ref type="macro" id="OS_API_VERSION">OS_API_VERSION</ref><br />
* (GS_API_MACOSX, GS_API_LATEST)<br /><br />
* denotes code present from the initial MacOS-X version onwards.<br />
*/<br />
#define GS_API_LATEST 999999<br />
<br />
/**<br />
* The version number of the initial OpenStep specification.<br /><br />
* eg.<br /><br />
* #if <ref type="macro" id="OS_API_VERSION">OS_API_VERSION</ref><br />
* (GS_API_OSSPEC, GS_API_LATEST)<br /><br />
* denotes code present from the OpenStep specification onwards.<br />
*/<br />
#define GS_API_OSSPEC 10000<br />
<br />
/**<br />
* The version number of the first OPENSTEP implementation.<br /><br />
* eg.<br /><br />
* #if <ref type="macro" id="OS_API_VERSION">OS_API_VERSION</ref><br />
* (GS_API_OPENSTEP, GS_API_LATEST)<br /><br />
* denotes code present from the initial OPENSTEP version onwards.<br />
*/<br />
#define GS_API_OPENSTEP 40000<br />
<br />
/**<br />
* The version number of the first MacOS-X implementation.<br /><br />
* eg.<br /><br />
* #if <ref type="macro" id="OS_API_VERSION">OS_API_VERSION</ref><br />
* (GS_API_MACOSX, GS_API_LATEST)<br /><br />
* denotes code present from the initial MacOS-X version onwards.<br />
*/<br />
#define GS_API_MACOSX 100000<br />
<br />
<br />
#if defined(GNUSTEP_BASE_INTERNAL)<br />
#import "GNUstepBase/GSConfig.h"<br />
#else<br />
#import <GNUstepBase/GSConfig.h><br />
#endif<br />
<br />
#ifndef __has_feature<br />
#define __has_feature(x) 0<br />
#endif<br />
<br />
/* The following is for deciding whether private instance variables<br />
* should be visible ... if we are building with a compiler which<br />
* does not define __has_feature then we know we don't have non-fragile<br />
* ivar support.<br />
* In the header we bracket instance variable declarations in a<br />
* '#if GS_EXPOSE(classname) ... #endif' sequence, so that the variables<br />
* will not be visible to code which uses the library.<br />
* In the source file we define EXPOSE_classname_IVARS to be 1<br />
* before including the header, so that the ivars are always available<br />
* in the class source itsself<br />
*/<br />
<br />
#if GS_MIXEDABI<br />
# undef GS_NONFRAGILE<br />
# define GS_NONFRAGILE 0 /* Mixed is treated as fragile */<br />
#else<br />
# if (__has_feature(objc_nonfragile_abi))<br />
# if !GS_NONFRAGILE<br />
# if defined(GNUSTEP_BASE_INTERNAL)<br />
//# error "You are building gnustep-base using the objc-nonfragile-abi but your gnustep-base was not configured to use it."<br />
# endif<br />
# endif<br />
# else<br />
# if GS_NONFRAGILE<br />
# error "Your gnustep-base was configured for the objc-nonfragile-abi but you are not using it now."<br />
# endif<br />
# endif<br />
#endif<br />
<br />
#define GS_EXPOSE(X) (!GS_NONFRAGILE || defined(EXPOSE_##X##_IVARS))<br />
<br />
/* Static analyser macros: Provide annotations to help the analyser */<br />
#ifdef __clang__<br />
# define GS_NORETURN_METHOD __attribute__((__noreturn__))<br />
#else<br />
# define GS_NORETURN_METHOD<br />
#endif<br />
<br />
#ifndef NS_RETURNS_RETAINED<br />
# if __has_feature(attribute_ns_returns_retained)<br />
# define NS_RETURNS_RETAINED __attribute__((ns_returns_retained))<br />
# else<br />
# define NS_RETURNS_RETAINED<br />
# endif<br />
#endif<br />
<br />
#ifndef NS_RETURNS_NOT_RETAINED<br />
# if __has_feature(attribute_ns_returns_not_retained)<br />
# define NS_RETURNS_NOT_RETAINED __attribute__((ns_returns_not_retained))<br />
# else<br />
# define NS_RETURNS_NOT_RETAINED<br />
# endif<br />
#endif<br />
<br />
#ifndef NS_CONSUMED<br />
# if __has_feature(attribute_ns_consumed)<br />
# define NS_CONSUMED __attribute__((ns_consumed))<br />
# else<br />
# define NS_CONSUMED<br />
# endif<br />
#endif<br />
<br />
<br />
#ifndef NS_CONSUMES_SELF<br />
# if __has_feature(attribute_ns_consumes_self)<br />
# define NS_CONSUMES_SELF __attribute__((ns_consumes_self))<br />
# else<br />
# define NS_CONSUMES_SELF<br />
# endif<br />
#endif<br />
<br />
#if defined(__clang__) && defined(__OBJC__)<br />
static inline void gs_consumed(id NS_CONSUMED o) __attribute__ ((unused));<br />
static inline void gs_consumed(id NS_CONSUMED o) { return; }<br />
#define GS_CONSUMED(O) gs_consumed(O);<br />
#else<br />
#define GS_CONSUMED(O)<br />
#endif<br />
<br />
/* Include the appropriate header for ObjC2 blocks support if it is in use.<br />
*<br />
* FIXME: "OBJC2RUNTIME" is set to "1" if the runtime supports the ObjC2<br />
* runtime API, which is unrelated to whether the compiler has blocks<br />
* support or not.<br />
*/<br />
#if __has_feature(blocks)<br />
# if OBJC2RUNTIME<br />
# include <objc/blocks_runtime.h><br />
# else<br />
# include <ObjectiveC2/blocks_runtime.h><br />
# endif<br />
#endif<br />
<br />
<br />
<br />
#if defined(GNUSTEP_WITH_DLL)<br />
<br />
#if BUILD_libgnustep_base_DLL<br />
#<br />
# if defined(__MINGW__)<br />
/* On Mingw, the compiler will export all symbols automatically, so<br />
* __declspec(dllexport) is not needed.<br />
*/<br />
# define GS_EXPORT extern<br />
# define GS_DECLARE <br />
# else<br />
# define GS_EXPORT __declspec(dllexport)<br />
# define GS_DECLARE __declspec(dllexport)<br />
# endif<br />
#else<br />
# define GS_EXPORT extern __declspec(dllimport)<br />
# define GS_DECLARE __declspec(dllimport)<br />
#endif<br />
<br />
#else /* GNUSTEP_WITH[OUT]_DLL */<br />
<br />
# define GS_EXPORT extern<br />
# define GS_DECLARE <br />
<br />
#endif<br />
<br />
/* Attribute definitions for attributes which may or may not be supported<br />
* depending on the compiler being used.<br />
* The definition should be of the form GS_XXX_CONTEXT where XXX is the<br />
* name of the attribute and CONTEXT is one of FUNC, METH, or IVAR<br />
* depending on where the attribute can be applied.<br />
*/<br />
<br />
#if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1))<br />
# define GS_DEPRECATED_FUNC __attribute__ ((deprecated))<br />
#else<br />
# define GS_DEPRECATED_FUNC<br />
#endif<br />
<br />
#ifdef __clang__<br />
# define GS_UNUSED_IVAR __attribute__((unused))<br />
#else<br />
# define GS_UNUSED_IVAR<br />
#endif<br />
<br />
<br />
#endif /* __GNUSTEP_GSVERSIONMACROS_H_INCLUDED_ */<br />
--></div>Awiebe