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objective-c modern translator: extern "C" exported 

symbols. // rdar://11103982

llvm-svn: 153443
This commit is contained in:
Fariborz Jahanian 2012-03-26 16:29:49 +00:00
parent 9f21889a7d
commit c29ebc36b1
1 changed files with 11 additions and 6 deletions
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17
clang/lib/Rewrite/RewriteModernObjC.cpp
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@ -3200,6 +3200,7 @@ void RewriteModernObjC::RewriteIvarOffsetSymbols(ObjCInterfaceDecl *CDecl,
e = Ivars.end(); i != e; i++) {
ObjCIvarDecl *IvarDecl = (*i);
Result += "\n";
Result += "extern \"C\" ";
if (LangOpts.MicrosoftExt)
Result += "__declspec(allocate(\".objc_ivar$B\")) ";
if (LangOpts.MicrosoftExt &&
@ -3209,7 +3210,7 @@ void RewriteModernObjC::RewriteIvarOffsetSymbols(ObjCInterfaceDecl *CDecl,
if (CDecl->getImplementation())
Result += "__declspec(dllexport) ";
}
Result += "extern unsigned long ";
Result += "unsigned long ";
WriteInternalIvarName(CDecl, IvarDecl, Result);
Result += ";";
}
@ -5420,7 +5421,7 @@ static void WriteModernMetadataDeclarations(ASTContext *Context, std::string &Re
Result += "\tconst struct _prop_list_t *properties;\n";
Result += "};\n";
Result += "__declspec(dllimport) extern struct objc_cache _objc_empty_cache;\n";
Result += "extern \"C\" __declspec(dllimport) struct objc_cache _objc_empty_cache;\n";
meta_data_declared = true;
}
@ -5660,26 +5661,29 @@ static void Write_class_t(ASTContext *Context, std::string &Result,
if (metaclass && rootClass) {
// Need to handle a case of use of forward declaration.
Result += "\n";
Result += "extern \"C\" ";
if (CDecl->getImplementation())
Result += "__declspec(dllexport) ";
Result += "extern struct _class_t OBJC_CLASS_$_";
Result += "struct _class_t OBJC_CLASS_$_";
Result += CDecl->getNameAsString();
Result += ";\n";
}
// Also, for possibility of 'super' metadata class not having been defined yet.
if (!rootClass) {
Result += "\n";
Result += "extern \"C\" ";
if (CDecl->getSuperClass()->getImplementation())
Result += "__declspec(dllexport) ";
Result += "extern struct _class_t ";
Result += "struct _class_t ";
Result += VarName;
Result += CDecl->getSuperClass()->getNameAsString();
Result += ";\n";
if (metaclass) {
Result += "extern \"C\" ";
if (RootClass->getImplementation())
Result += "__declspec(dllexport) ";
Result += "extern struct _class_t ";
Result += "struct _class_t ";
Result += VarName;
Result += RootClass->getNameAsString();
Result += ";\n";
@ -5790,10 +5794,11 @@ static void Write_category_t(RewriteModernObjC &RewriteObj, ASTContext *Context,
// must declare an extern class object in case this class is not implemented
// in this TU.
Result += "\n";
Result += "extern \"C\" ";
if (ClassDecl->getImplementation())
Result += "__declspec(dllexport) ";
Result += "extern struct _class_t ";
Result += "struct _class_t ";
Result += "OBJC_CLASS_$_"; Result += ClassName;
Result += ";\n";