Move IsStdClass to cling::utils::Analyze

include/cling/Utils/AST.h

@@ -77,6 +77,12 @@ namespace utils {
                                      bool omitDeclStmts = true,
                                      clang::Sema* S = 0);
 
+    ///\brief Return true if the class or template is declared directly in the
+    /// std namespace (modulo inline namespace).
+    ///
+    ///\param[in] decl          - The declaration being analyzed.
+    bool IsStdClass(const clang::NamedDecl &cl);
+
     ///\brief Return true if the decl has been declared in ths std namespace
     /// or is a compiler details (in __gnu_cxx and starting with a leading
     /// underscore).

lib/Utils/AST.cpp

@@ -534,6 +534,30 @@ namespace utils {
     return false;
   }
 
+  bool Analyze::IsStdClass(const clang::NamedDecl &cl)
+  {
+    // Return true if the class or template is declared directly in the
+    // std namespace (modulo inline namespace).
+
+    const clang::DeclContext *ctx = cl.getDeclContext();
+
+    while (ctx && ctx->isInlineNamespace()) {
+      ctx = ctx->getParent();
+    }
+
+    if (ctx && ctx->isNamespace())
+    {
+      const clang::NamedDecl *parent = llvm::dyn_cast<clang::NamedDecl> (ctx);
+      if (parent) {
+        if (parent->getDeclContext()->isTranslationUnit()
+            && parent->getQualifiedNameAsString()=="std") {
+          return true;
+        }
+      }
+    }
+    return false;
+  }
+
   static bool IsCompilerDetails(const TagType *tagTy)
   {
     // Return true if the TagType is a 'details' of the std implementation.