Rename Mangled::GetLanguage to Mangled::GuessLanguage

[dawn]

Summary

The language can not be definitively determined from the mangling, so this new name helps clarify that fact.

[dawn]

This patch addresses the concerns raised in http://reviews.llvm.org/rL226962.

[clayborg]

Looks fine.

lldb/trunk/include/lldb/Core/Mangled.h

public:
     ///
     /// @param[in] name
     ///     The already const version of the name for this object.
     //----------------------------------------------------------------------
     void
     SetValue (const ConstString &name);
 
     //----------------------------------------------------------------------
-    /// Get the language only if it is definitive what the language is from
-    /// the mangling.
+    /// Try to guess the language 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.
+    /// and a demangled name and it can be guessed from the mangling what
+    /// the language is.  Note: this will return C++ for any language that
+    /// uses Itanium ABI mangling.
     ///
     /// 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 ();
+    GuessLanguage ();
 
 private:
     //----------------------------------------------------------------------
     /// Mangled member variables.
     //----------------------------------------------------------------------
             ConstString m_mangled;      ///< The mangled version of the name
     mutable ConstString m_demangled;    ///< Mutable so we can get it on demand with a const version of this object
 };
 
 
 Stream& operator << (Stream& s, const Mangled& obj);
 
 } // namespace lldb_private
 
 #endif  // #if defined(__cplusplus)
 #endif  // liblldb_Mangled_h_

lldb/trunk/source/Core/Mangled.cpp

 //----------------------------------------------------------------------
 size_t
 Mangled::MemorySize () const
 {
     return m_mangled.MemorySize() + m_demangled.MemorySize();
 }
 
 lldb::LanguageType
-Mangled::GetLanguage ()
+Mangled::GuessLanguage ()
 {
     ConstString mangled = GetMangledName();
     if (mangled)
     {
         if (GetDemangledName())
         {
             if (cstring_is_mangled(mangled.GetCString()))
                 return lldb::eLanguageTypeC_plus_plus;