GNUStep Macros

Platform Dependant

• ifdef __MINGW__ /*do*/ #endif Windows POSIX

Memory Managment

• RETAIN(x) Bump the retain cound of x where x does not inherit from NSObject. As in foundation objects.
• RELEASE(x) Decrement the retain count of X
• AUTORELEASE(x)
• ASSIGN(object,value) to assign an object variable, performing the appropriate re- tain/release as necessary.
• ASSIGNCOPY(object,value) to copy the value and assign it to the object.
• DESTROY(object) to release an object variable and set it to nil.
• CREATE AUTORELEASE POOL(name) to create an autorelease pool with the spec- ified name.
• IF NO GC(X) compile the code ’X’ only if GarbageCollection is not in use.

• #ifdef __OBJC_GC__ /*Code*/ #endif If garbage collection is on then include, otherwise skip.
• __weak This object is weak, if nothing references it, it will be collected.
  1. ifndef _WIN64 if not 64-bit windows
• GS_WITH_GC is gnustep && has garbage collection