Add first pieces of support for parsing and representing
extern "C" in C++ mode. Patch by Mike Stump!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@45904 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Sema/Sema.h b/Sema/Sema.h
index ef20829..3ab8be7 100644
--- a/Sema/Sema.h
+++ b/Sema/Sema.h
@@ -192,6 +192,9 @@
virtual void ObjCActOnStartOfMethodDef(Scope *S, DeclTy *D);
virtual DeclTy *ActOnFinishFunctionBody(DeclTy *Decl, StmtTy *Body);
+ virtual DeclTy *ActOnLinkageSpec(SourceLocation Loc, SourceLocation LBrace,
+ SourceLocation RBrace, const char *Lang,
+ unsigned StrSize, DeclTy *D);
/// Scope actions.
virtual void ActOnPopScope(SourceLocation Loc, Scope *S);
diff --git a/Sema/SemaDecl.cpp b/Sema/SemaDecl.cpp
index cbcd79e..1610008 100644
--- a/Sema/SemaDecl.cpp
+++ b/Sema/SemaDecl.cpp
@@ -1615,6 +1615,27 @@
Enum->defineElements(EltList, BestType);
}
+Sema::DeclTy* Sema::ActOnLinkageSpec(SourceLocation Loc,
+ SourceLocation LBrace,
+ SourceLocation RBrace,
+ const char *Lang,
+ unsigned StrSize,
+ DeclTy *D) {
+ LinkageSpecDecl::LanguageIDs Language;
+ Decl *dcl = static_cast<Decl *>(D);
+ if (strncmp(Lang, "\"C\"", StrSize) == 0)
+ Language = LinkageSpecDecl::lang_c;
+ else if (strncmp(Lang, "\"C++\"", StrSize) == 0)
+ Language = LinkageSpecDecl::lang_cxx;
+ else {
+ Diag(Loc, diag::err_bad_language);
+ return 0;
+ }
+
+ // FIXME: Add all the various semantics of linkage specifications
+ return new LinkageSpecDecl(Loc, Language, dcl);
+}
+
void Sema::HandleDeclAttribute(Decl *New, AttributeList *rawAttr) {
const char *attrName = rawAttr->getAttributeName()->getName();
unsigned attrLen = rawAttr->getAttributeName()->getLength();