Implement semantic checking for C++ literal operators.

This now rejects literal operators that don't meet the requirements.
Templates are not yet checked for.

llvm-svn: 93315

1 files changed, 9 insertions, 0 deletions

diff --git a/clang/lib/AST/Decl.cpp b/clang/lib/AST/Decl.cpp
index 49b9c6fc8b5..e77661a9fbd 100644
--- a/clang/lib/AST/Decl.cpp
+++ b/clang/lib/AST/Decl.cpp
@@ -1039,6 +1039,15 @@ OverloadedOperatorKind FunctionDecl::getOverloadedOperator() const {
     return OO_None;
 }
 
+/// getLiteralIdentifier - The literal suffix identifier this function
+/// represents, if any.
+const IdentifierInfo *FunctionDecl::getLiteralIdentifier() const {
+  if (getDeclName().getNameKind() == DeclarationName::CXXLiteralOperatorName)
+    return getDeclName().getCXXLiteralIdentifier();
+  else
+    return 0;
+}
+
 FunctionDecl *FunctionDecl::getInstantiatedFromMemberFunction() const {
   if (MemberSpecializationInfo *Info = getMemberSpecializationInfo())
     return cast<FunctionDecl>(Info->getInstantiatedFrom());