error: cannot use dynamic_cast with -fno-rtti

...with recent Clang trunk towards 3.4

Change-Id: Ie0991c7bd560c30551aeaada426382a889b46391

compilerplugins/clang/checkconfigmacros.cxx

@@ -49,6 +49,7 @@ class CheckConfigMacros
         virtual void Defined( const Token& macroToken, const MacroDirective* info, SourceRange Range ) override;
 #endif
 #endif
+        enum { isPPCallback = true };
     private:
         void checkMacro( const Token& macroToken, SourceLocation location );
         std::set< string > configMacros;

compilerplugins/clang/plugin.cxx

@@ -62,9 +62,9 @@ bool Plugin::ignoreLocation( SourceLocation loc )
     return true;
     }
 
-void Plugin::registerPlugin( Plugin* (*create)( CompilerInstance&, Rewriter& ), const char* optionName, bool isRewriter )
+void Plugin::registerPlugin( Plugin* (*create)( CompilerInstance&, Rewriter& ), const char* optionName, bool isRewriter, bool isPPCallback )
     {
-    PluginHandler::registerPlugin( create, optionName, isRewriter );
+    PluginHandler::registerPlugin( create, optionName, isRewriter, isPPCallback );
     }
 
 unordered_map< const Stmt*, const Stmt* > Plugin::parents;

compilerplugins/clang/plugin.hxx

@@ -47,6 +47,7 @@ class Plugin
         virtual ~Plugin();
         virtual void run() = 0;
         template< typename T > class Registration;
+        enum { isPPCallback = false };
         DiagnosticBuilder report( DiagnosticsEngine::Level level, StringRef message, SourceLocation loc = SourceLocation());
         static DiagnosticBuilder report( DiagnosticsEngine::Level level, StringRef message,
             CompilerInstance& compiler, SourceLocation loc = SourceLocation());
@@ -62,7 +63,7 @@ class Plugin
         const Stmt* parentStmt( const Stmt* stmt );
         Stmt* parentStmt( Stmt* stmt );
     private:
-        static void registerPlugin( Plugin* (*create)( CompilerInstance&, Rewriter& ), const char* optionName, bool isRewriter );
+        static void registerPlugin( Plugin* (*create)( CompilerInstance&, Rewriter& ), const char* optionName, bool isRewriter, bool isPPCallback );
         template< typename T > static Plugin* createHelper( CompilerInstance& compiler, Rewriter& rewriter );
         enum { isRewriter = false };
         static unordered_map< const Stmt*, const Stmt* > parents;
@@ -186,7 +187,7 @@ template< typename T >
 inline
 Plugin::Registration< T >::Registration( const char* optionName )
     {
-    registerPlugin( &T::template createHelper< T >, optionName, T::isRewriter );
+    registerPlugin( &T::template createHelper< T >, optionName, T::isRewriter, T::isPPCallback );
     }
 
 } // namespace

compilerplugins/clang/pluginhandler.cxx

@@ -41,6 +41,7 @@ struct PluginData
     Plugin* object;
     const char* optionName;
     bool isRewriter;
+    bool isPPCallback;
     };
 
 const int MAX_PLUGINS = 100;
@@ -79,7 +80,7 @@ PluginHandler::~PluginHandler()
         if( plugins[ i ].object != NULL )
             {
             // PPCallbacks is owned by preprocessor object, don't delete those
-            if( dynamic_cast< PPCallbacks* >( plugins[ i ].object ) == NULL )
+            if( !plugins[ i ].isPPCallback )
                 delete plugins[ i ].object;
             }
     }
@@ -123,7 +124,7 @@ void PluginHandler::createPlugin( const string& name )
         report( DiagnosticsEngine::Fatal, "unknown plugin tool %0" ) << name;
     }
 
-void PluginHandler::registerPlugin( Plugin* (*create)( CompilerInstance&, Rewriter& ), const char* optionName, bool isRewriter )
+void PluginHandler::registerPlugin( Plugin* (*create)( CompilerInstance&, Rewriter& ), const char* optionName, bool isRewriter, bool isPPCallback )
     {
     assert( !pluginObjectsCreated );
     assert( pluginCount < MAX_PLUGINS );
@@ -131,6 +132,7 @@ void PluginHandler::registerPlugin( Plugin* (*create)( CompilerInstance&, Rewrit
     plugins[ pluginCount ].object = NULL;
     plugins[ pluginCount ].optionName = optionName;
     plugins[ pluginCount ].isRewriter = isRewriter;
+    plugins[ pluginCount ].isPPCallback = isPPCallback;
     ++pluginCount;
     }
 

compilerplugins/clang/pluginhandler.hxx

@@ -29,7 +29,7 @@ class PluginHandler
         PluginHandler( CompilerInstance& compiler, const vector< string >& args );
         virtual ~PluginHandler();
         virtual void HandleTranslationUnit( ASTContext& context ) override;
-        static void registerPlugin( Plugin* (*create)( CompilerInstance&, Rewriter& ), const char* optionName, bool isRewriter );
+        static void registerPlugin( Plugin* (*create)( CompilerInstance&, Rewriter& ), const char* optionName, bool isRewriter, bool isPPCallback );
     private:
         void handleOption( const string& option );
         void createPlugin( const string& name );

compilerplugins/clang/rtlconstasciimacro.cxx

@@ -39,6 +39,7 @@ class RtlConstAsciiMacro
         virtual void MacroExpands( const Token& macro, const MacroDirective* directive,
             SourceRange range, const MacroArgs* args ) override;
 #endif
+        enum { isPPCallback = true };
     private:
         map< SourceLocation, SourceLocation > expansions; // start location -> end location
         bool searchingForString;