Fix to selector parameter position.

src/shared/cplusplus/CheckDeclaration.cpp

@@ -666,22 +666,22 @@ bool CheckDeclaration::visit(ObjCMethodDeclarationAST *ast)
         return false;
 
     FullySpecifiedType ty = semantic()->check(ast->method_prototype, _scope);
-    ObjCMethod *methodType = ty.type()->asObjCMethodType();
-    if (!methodType)
+    ObjCMethod *methodTy = ty.type()->asObjCMethodType();
+    if (!methodTy)
         return false;
 
     Symbol *symbol;
     if (ast->function_body) {
         if (!semantic()->skipFunctionBodies()) {
-            semantic()->check(ast->function_body, methodType->members());
+            semantic()->check(ast->function_body, methodTy->members());
         }
 
-        symbol = methodType;
+        symbol = methodTy;
     } else {
-        Declaration *decl = control()->newDeclaration(ast->firstToken(), methodType->name());
-        decl->setType(methodType);
+        Declaration *decl = control()->newDeclaration(ast->firstToken(), methodTy->name());
+        decl->setType(methodTy);
         symbol = decl;
-        symbol->setStorage(methodType->storage());
+        symbol->setStorage(methodTy->storage());
     }
 
     symbol->setStartOffset(tokenAt(ast->firstToken()).offset);

src/shared/cplusplus/CheckDeclarator.cpp

@@ -97,10 +97,11 @@ FullySpecifiedType CheckDeclarator::check(PtrOperatorListAST *ptrOperators,
 FullySpecifiedType CheckDeclarator::check(ObjCMethodPrototypeAST *methodPrototype,
                                           Scope *scope)
 {
+    FullySpecifiedType previousType = switchFullySpecifiedType(FullySpecifiedType());
     Scope *previousScope = switchScope(scope);
     accept(methodPrototype);
     (void) switchScope(previousScope);
-    return _fullySpecifiedType;
+    return switchFullySpecifiedType(previousType);
 }
 
 DeclaratorAST *CheckDeclarator::switchDeclarator(DeclaratorAST *declarator)

src/shared/cplusplus/CheckName.cpp

@@ -423,7 +423,7 @@ bool CheckName::visit(ObjCMessageArgumentDeclarationAST *ast)
         _name = control()->nameId(id);
         ast->name = _name;
 
-        Argument *arg = control()->newArgument(ast->firstToken(), _name);
+        Argument *arg = control()->newArgument(ast->param_name_token, _name);
         ast->argument = arg;
         arg->setType(type);
         arg->setInitializer(0);