do not report unnamed parameters as unused

Change-Id: I0cc44354085fbee15aa94d23c29830fd40e8d939
2012-10-12 12:59:31 +02:00
parent 49ebf4f91d
commit 9c0304f5a7
1 changed files with 2 additions and 0 deletions
--- a/compilerplugins/clang/unusedvariablecheck.cxx
+++ b/compilerplugins/clang/unusedvariablecheck.cxx
@@ -79,6 +79,8 @@ bool UnusedVariableCheck::VisitNamedDecl( NamedDecl* declaration )
            {
            if( const ParmVarDecl* param = dyn_cast< ParmVarDecl >( var ))
                {
+                if( !param->getDeclName())
+                    return true; // unnamed parameter -> unused
                // If this declaration does not have a body, then the parameter is indeed not used,
                // so ignore.
                if( const FunctionDecl* func = dyn_cast< FunctionDecl >( param->getParentFunctionOrMethod()))