[cfe-dev] CFSTR and NSConstantString

David Chisnall csdavec at swan.ac.uk
Fri Jan 22 13:33:57 CST 2010


Hello the list,

We'd like to be able to support CFSTR() with GNUstep emitting NSConstantString instances.  There are three ways that I can do this:

1) Make CodeGenModule::GetAddrOfConstantCFString() check if the gnu runtime is being used and call the CGObjCRuntime function to emit the string if it is.

2) Add a new builtin, __builtin___NSStringMakeConstantString(), which behaves exactly like __builtin___CFStringMakeConstantString() but emits a new ObjC constant string, rather than a new CF string (although, with the Mac runtimes, they will be the same thing anyway).

3) Add a new option, like -fcfstrings-as-nsstrings which makes CF strings into NSStrings.

My preference is on the first option, although largely because it's the least effort for me.  Does anyone have any preferences or objections?

David

-- Sent from my IBM 1620




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