From 91e20dd8bf1bc8980ee93839383d2bd170bce050 Mon Sep 17 00:00:00 2001
From: Anders Carlsson <andersca@mac.com>
Date: Thu, 2 Apr 2009 05:55:18 +0000
Subject: 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 | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

(limited to 'lib/CodeGen/CodeGenModule.cpp')

diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 44a045ef8a..fa475ced6e 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -1236,12 +1236,25 @@ void CodeGenModule::EmitObjCPropertyImplementations(const
   }
 }
 
+/// 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 @@ void CodeGenModule::EmitTopLevelDecl(Decl *D) {
     // 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);
-- 
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