Adding JXArcCompatibilityMacros.

JanX2 · Feb 25, 2013 · dbe7768 · dbe7768
1 parent 0e699c7
commit dbe7768
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diff --git a/DiffMatchPatch.xcodeproj/project.pbxproj b/DiffMatchPatch.xcodeproj/project.pbxproj
@@ -81,6 +81,7 @@
 		3DA642BC128DEF4900B33CE9 /* MinMaxMacros.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MinMaxMacros.h; sourceTree = "<group>"; };
 		3DC87023129FF4B6001F602B /* NSString+JavaSubstring.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "NSString+JavaSubstring.h"; sourceTree = "<group>"; };
 		3DC87024129FF4B6001F602B /* NSString+JavaSubstring.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "NSString+JavaSubstring.m"; sourceTree = "<group>"; };
+		3DEB56D916DBA4C300D11FA5 /* JXArcCompatibilityMacros.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = JXArcCompatibilityMacros.h; sourceTree = "<group>"; };
 		3DEE4C70129D484D00885485 /* NSMutableDictionary+DMPExtensions.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "NSMutableDictionary+DMPExtensions.h"; sourceTree = "<group>"; };
 		3DEE4C71129D484D00885485 /* NSMutableDictionary+DMPExtensions.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "NSMutableDictionary+DMPExtensions.m"; sourceTree = "<group>"; };
 		3DFF2F3613C2105300DC564A /* TestUtilities.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = TestUtilities.h; sourceTree = "<group>"; };
@@ -213,6 +214,7 @@
 				3DA642BC128DEF4900B33CE9 /* MinMaxMacros.h */,
 				3DA6416F128DDA3400B33CE9 /* DiffMatchPatchCFUtilities.h */,
 				3DA64170128DDA3400B33CE9 /* DiffMatchPatchCFUtilities.c */,
+				3DEB56D916DBA4C300D11FA5 /* JXArcCompatibilityMacros.h */,
 			);
 			indentWidth = 2;
 			name = "Other Sources";

diff --git a/JXArcCompatibilityMacros.h b/JXArcCompatibilityMacros.h
@@ -0,0 +1,72 @@
+/*
+* JXArcCompatibilityMacros.h
+* 
+* Created by Jan on 29.09.12.
+* Copyright 2012-2013 Jan Weiß
+* 
+* Based on “DDMathParser.h” by Dave DeLong.
+* 
+* Released under the BSD software licence and the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*
+* Author: jan@geheimwerk.de (Jan Weiß)
+*/
+
+
+#ifndef JXArcCompatibilityMacros_h
+#define JXArcCompatibilityMacros_h
+
+#ifdef __clang__
+#define JX_STRONG strong
+#else
+#define JX_STRONG retain
+#endif
+
+/*
+Porting help (pretty crude, could use improvement):
+\[(.+) retain\]				JX_RETAIN(\1)
+\[(.+) release\]			JX_RELEASE(\1)
+\[(.+) autorelease\]		JX_AUTORELEASE(\1)
+
+\(id\)([\w\d.]+|\[.+\])		JX_BRIDGED_CAST(id, \1)
+
+\(__bridge ((CF|NS)\w+(\ \*)?)\)(\w+)		JX_BRIDGED_CAST(\1, \4)
+
+ The above have usual problems with nesting. Don’t use them with “Replace all”!
+*/
+
+#if __has_feature(objc_arc)
+
+#define JX_HAS_ARC 1
+#define JX_RETAIN(_o) (_o)
+#define JX_RELEASE(_o)
+#define JX_AUTORELEASE(_o) (_o)
+
+#define JX_BRIDGED_CAST(_type, _o) (__bridge _type)(_o)
+#define JX_TRANSFER_OBJC_TO_CF(_type, _o) (__bridge_retained _type)(_o)
+#define JX_TRANSFER_CF_TO_OBJC(_type, _o) (__bridge_transfer _type)(_o)
+
+#else
+
+#define JX_HAS_ARC 0
+#define JX_RETAIN(_o) [(_o) retain]
+#define JX_RELEASE(_o) [(_o) release]
+#define JX_AUTORELEASE(_o) [(_o) autorelease]
+
+#define JX_BRIDGED_CAST(_type, _o) (_type)(_o)
+#define JX_TRANSFER_OBJC_TO_CF(_type, _o) (_type)((_o) ? CFRetain((CFTypeRef)(_o)) : NULL)
+#define JX_TRANSFER_CF_TO_OBJC(_type, _o) [(_type)CFMakeCollectable(_o) autorelease]
+
+#endif
+
+
+#endif