Reduce boilerplace for common pattern to return MaybeHandle.

src/runtime/runtime-function.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/runtime/runtime-utils.h"
 
 #include "src/accessors.h"
 #include "src/arguments.h"
 #include "src/compiler.h"
 #include "src/frames-inl.h"
 #include "src/isolate-inl.h"
 #include "src/messages.h"
 #include "src/profiler/cpu-profiler.h"
 #include "src/wasm/wasm-module.h"
 
 namespace v8 {
 namespace internal {
 
 RUNTIME_FUNCTION(Runtime_FunctionGetName) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
 
   CONVERT_ARG_HANDLE_CHECKED(JSReceiver, function, 0);
-  Handle<Object> result;
   if (function->IsJSBoundFunction()) {
-    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-        isolate, result, JSBoundFunction::GetName(
-                             isolate, Handle<JSBoundFunction>::cast(function)));
+    RETURN_RESULT_OR_FAILURE(
+        isolate, JSBoundFunction::GetName(
+                     isolate, Handle<JSBoundFunction>::cast(function)));
   } else {
-    result = JSFunction::GetName(isolate, Handle<JSFunction>::cast(function));
+    return *JSFunction::GetName(isolate, Handle<JSFunction>::cast(function));
   }
-  return *result;
 }
 
 
 RUNTIME_FUNCTION(Runtime_FunctionSetName) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 2);
 
   CONVERT_ARG_HANDLE_CHECKED(JSFunction, f, 0);
   CONVERT_ARG_HANDLE_CHECKED(String, name, 1);
 
@@ skipping 226 matching lines @@
 RUNTIME_FUNCTION(Runtime_Call) {
   HandleScope scope(isolate);
   DCHECK_LE(2, args.length());
   int const argc = args.length() - 2;
   CONVERT_ARG_HANDLE_CHECKED(Object, target, 0);
   CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 1);
   ScopedVector<Handle<Object>> argv(argc);
   for (int i = 0; i < argc; ++i) {
     argv[i] = args.at<Object>(2 + i);
   }
-  Handle<Object> result;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, result,
-      Execution::Call(isolate, target, receiver, argc, argv.start()));
-  return *result;
+  RETURN_RESULT_OR_FAILURE(
+      isolate, Execution::Call(isolate, target, receiver, argc, argv.start()));
 }
 
 
 // ES6 section 9.2.1.2, OrdinaryCallBindThis for sloppy callee.
 RUNTIME_FUNCTION(Runtime_ConvertReceiver) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 0);
   return *Object::ConvertReceiver(isolate, receiver).ToHandleChecked();
 }
@@ skipping 12 matching lines @@
   DCHECK_EQ(1, args.length());
   CONVERT_ARG_HANDLE_CHECKED(JSReceiver, function, 0);
   return function->IsJSBoundFunction()
              ? *JSBoundFunction::ToString(
                    Handle<JSBoundFunction>::cast(function))
              : *JSFunction::ToString(Handle<JSFunction>::cast(function));
 }
 
 }  // namespace internal
 }  // namespace v8