Adding the ability to get the language from a mangled name. This isn't used in the SVN LLDB, but will be used in another codebase based on the SVN LLDB.

llvm-svn: 226962

lldb/include/lldb/Core/Mangled.h

@@ -290,6 +290,25 @@ public:
     void
     SetValue (const ConstString &name);
 
+    //----------------------------------------------------------------------
+    /// Get the language only if it is definitive what the language is from
+    /// the mangling.
+    ///
+    /// For a mangled name to have a language it must have both a mangled
+    /// and a demangled name and it must be definitive from the mangling
+    /// what the language is.
+    ///
+    /// Standard C function names will return eLanguageTypeUnknown because
+    /// they aren't mangled and it isn't clear what language the name
+    /// represents (there will be no mangled name).
+    ///
+    /// @return
+    ///     The language for the mangled/demangled name, eLanguageTypeUnknown
+    ///     if there is no mangled or demangled counterpart.
+    //----------------------------------------------------------------------
+    lldb::LanguageType
+    GetLanguage ();
+
 private:
     //----------------------------------------------------------------------
     /// Mangled member variables.

lldb/source/Core/Mangled.cpp

@@ -5352,6 +5352,21 @@ Mangled::MemorySize () const
     return m_mangled.MemorySize() + m_demangled.MemorySize();
 }
 
+lldb::LanguageType
+Mangled::GetLanguage ()
+{
+    ConstString mangled = GetMangledName();
+    if (mangled)
+    {
+        if (GetDemangledName())
+        {
+            if (cstring_is_mangled(mangled.GetCString()))
+                return lldb::eLanguageTypeC_plus_plus;
+        }
+    }
+    return  lldb::eLanguageTypeUnknown;
+}
+
 //----------------------------------------------------------------------
 // Dump OBJ to the supplied stream S.
 //----------------------------------------------------------------------