mirror of
https://github.com/gnustep/libs-base.git
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de2a3ce038
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@29172 72102866-910b-0410-8b05-ffd578937521
38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
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#ifdef __clang__
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#define FOR_IN(type, var, collection) \
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for (type var in collection)\
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{
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#define END_FOR_IN(collection) }
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#else
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void objc_enumerationMutation(id);
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#define FOR_IN(type, var, c) \
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do\
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{\
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type var;\
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NSFastEnumerationState gs_##c##_enumState = { 0 };\
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id gs_##c##_items[16];\
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unsigned long gs_##c##_limit = \
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[c countByEnumeratingWithState: &gs_##c##_enumState \
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objects: gs_##c##_items \
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count: 16];\
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if (gs_##c##_limit)\
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{\
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unsigned long gs_startMutations = *gs_##c##_enumState.mutationsPtr;\
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do {\
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unsigned long gs_##c##counter = 0;\
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do {\
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if (gs_startMutations != *gs_##c##_enumState.mutationsPtr)\
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{\
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objc_enumerationMutation(c);\
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}\
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var = gs_##c##_enumState.itemsPtr[gs_##c##counter++];\
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#define END_FOR_IN(c) \
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} while (gs_##c##counter < gs_##c##_limit);\
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} while ((gs_##c##_limit = [c countByEnumeratingWithState: &gs_##c##_enumState\
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objects: gs_##c##_items\
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count: 16]));\
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}\
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} while(0);
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#endif
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