commit 91e20dd8bf1bc8980ee93839383d2bd170bce050
author Anders Carlsson <andersca@mac.com> Thu Apr 02 05:55:18 2009 +0000
committer Anders Carlsson <andersca@mac.com> Thu Apr 02 05:55:18 2009 +0000
tree 0ccbc60a36d0d01f663750af628a7a5556609553
parent 7db0a94675a0d5f33120e39144c3827d8bc8994f

Emit code for linkage specifications.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68300 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/CodeGenModule.cpp

diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 44a045e..fa475ce 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -1236,12 +1236,25 @@
   }
 }
 
+/// EmitNamespace - Emit all declarations in a namespace.
 void CodeGenModule::EmitNamespace(const NamespaceDecl *ND) {
   for (RecordDecl::decl_iterator I = ND->decls_begin(), E = ND->decls_end();
        I != E; ++I)
     EmitTopLevelDecl(*I);
 }
 
+// EmitLinkageSpec - Emit all declarations in a linkage spec.
+void CodeGenModule::EmitLinkageSpec(const LinkageSpecDecl *LSD) {
+  if (LSD->getLanguage() != LinkageSpecDecl::lang_c) {
+    ErrorUnsupported(LSD, "linkage spec");
+    return;
+  }
+
+  for (RecordDecl::decl_iterator I = LSD->decls_begin(), E = LSD->decls_end();
+       I != E; ++I)
+    EmitTopLevelDecl(*I);
+}
+
 /// EmitTopLevelDecl - Emit code for a single top level declaration.
 void CodeGenModule::EmitTopLevelDecl(Decl *D) {
   // If an error has occurred, stop code generation, but continue
@@ -1300,14 +1313,9 @@
     // compatibility-alias is a directive and has no code gen.
     break;
 
-  case Decl::LinkageSpec: {
-    LinkageSpecDecl *LSD = cast<LinkageSpecDecl>(D);
-    if (LSD->getLanguage() == LinkageSpecDecl::lang_cxx)
-      ErrorUnsupported(LSD, "linkage spec");
-    // FIXME: implement C++ linkage, C linkage works mostly by C
-    // language reuse already.
+  case Decl::LinkageSpec:
+    EmitLinkageSpec(cast<LinkageSpecDecl>(D));
     break;
-  }
 
   case Decl::FileScopeAsm: {
     FileScopeAsmDecl *AD = cast<FileScopeAsmDecl>(D);

lib/CodeGen/CodeGenModule.h

diff --git a/lib/CodeGen/CodeGenModule.h b/lib/CodeGen/CodeGenModule.h
index c0dbbf8..8661d23 100644
--- a/lib/CodeGen/CodeGenModule.h
+++ b/lib/CodeGen/CodeGenModule.h
@@ -328,6 +328,7 @@
   void EmitAliasDefinition(const ValueDecl *D);
   void EmitObjCPropertyImplementations(const ObjCImplementationDecl *D);
   void EmitNamespace(const NamespaceDecl *D);
+  void EmitLinkageSpec(const LinkageSpecDecl *D);
   
   // FIXME: Hardcoding priority here is gross.
   void AddGlobalCtor(llvm::Function * Ctor, int Priority=65535);