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Nil doesn't work well with macOS, mixed objectivec++ and c++ #1

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dimitre opened this issue Mar 10, 2023 · 2 comments
Open

Nil doesn't work well with macOS, mixed objectivec++ and c++ #1

dimitre opened this issue Mar 10, 2023 · 2 comments

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@dimitre
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dimitre commented Mar 10, 2023

Hello, it seems Nil is a reserved word in objectivec++
Any workaround, like renaming the Nil? Thanks

/Volumes/tool/ofw/apps/pgd/ofxProjectGenerator/src/uuidxx/src/uuidxx.h:11:3: error: expected identifier
                Nil,
                ^
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/objc/objc.h:98:16: note: expanded from macro 'Nil'
#   define Nil nullptr
@mqudsi
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mqudsi commented Mar 11, 2023

We can undef Nil at the top of the header file and restore it at the bottom and add an alias for it for ObjC users like Nill or something.

mqudsi added a commit that referenced this issue Mar 11, 2023
@mqudsi
Add workaround for Objective-C compatibility
f025c95 
See #1
mqudsi added a commit that referenced this issue Mar 11, 2023
@mqudsi
Add workaround for Objective-C compatibility
22ca1db 
Protect against Objective C's `#define Nil nullptr` by temporarily
suppressing the Nil define and providing an alias for Nil ("Nill") to
support calling from Objective C contexts.

See #1
@mqudsi mqudsi mentioned this issue Mar 11, 2023
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@mqudsi
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mqudsi commented Mar 11, 2023

Can you try this? #2

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@dimitre @mqudsi