From 833377cc8beca8261c6fed715a945ce8336d7c70 Mon Sep 17 00:00:00 2001
From: Trevor Norris <trev.norris@gmail.com>
Date: Tue, 2 Jun 2015 10:18:01 -0600
Subject: [PATCH] buffer: switch to using Maybe<T> API

Use the new Maybe<T> syntax for v8::Object::SetPrototype().

PR-URL: https://github.com/nodejs/io.js/pull/1825
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
---
 src/node_buffer.cc | 46 ++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 38 insertions(+), 8 deletions(-)

diff --git a/src/node_buffer.cc b/src/node_buffer.cc
index 57268e749da6e4..765f642d10faf7 100644
--- a/src/node_buffer.cc
+++ b/src/node_buffer.cc
@@ -73,6 +73,7 @@ using v8::Handle;
 using v8::HandleScope;
 using v8::Isolate;
 using v8::Local;
+using v8::Maybe;
 using v8::Number;
 using v8::Object;
 using v8::Persistent;
@@ -298,7 +299,13 @@ Local<Object> New(Environment* env, size_t length) {
         length,
         ArrayBufferCreationMode::kInternalized);
   Local<Uint8Array> ui = Uint8Array::New(ab, 0, length);
-  ui->SetPrototype(env->buffer_prototype_object());
+  Maybe<bool> mb =
+      ui->SetPrototype(env->context(), env->buffer_prototype_object());
+  if (!mb.FromMaybe(false)) {
+    FatalError("node::Buffer::New(Environment*, size_t)",
+               "Could not set Object prototype");
+    UNREACHABLE();
+  }
   return scope.Escape(ui);
 }
 
@@ -361,7 +368,13 @@ Local<Object> New(Environment* env, const char* data, size_t length) {
         length,
         ArrayBufferCreationMode::kInternalized);
   Local<Uint8Array> ui = Uint8Array::New(ab, 0, length);
-  ui->SetPrototype(env->buffer_prototype_object());
+  Maybe<bool> mb =
+      ui->SetPrototype(env->context(), env->buffer_prototype_object());
+  if (!mb.FromMaybe(false)) {
+    FatalError("node::Buffer::New(Environment*, char*, size_t)",
+               "Could not set Object prototype");
+    UNREACHABLE();
+  }
 
   return scope.Escape(ui);
 }
@@ -401,7 +414,14 @@ Local<Object> New(Environment* env,
 
   Local<ArrayBuffer> ab = ArrayBuffer::New(env->isolate(), data, length);
   Local<Uint8Array> ui = Uint8Array::New(ab, 0, length);
-  ui->SetPrototype(env->buffer_prototype_object());
+  Maybe<bool> mb =
+      ui->SetPrototype(env->context(), env->buffer_prototype_object());
+  if (!mb.FromMaybe(false)) {
+    FatalError("node::Buffer::New(Environment*, char*, size_t,"
+               " FreeCallback, void*)",
+               "Could not set Object prototype");
+    UNREACHABLE();
+  }
   CallbackInfo::New(env->isolate(), ui, callback, hint);
   return scope.Escape(ui);
 }
@@ -441,7 +461,13 @@ Local<Object> Use(Environment* env, char* data, size_t length) {
                        length,
                        ArrayBufferCreationMode::kInternalized);
   Local<Uint8Array> ui = Uint8Array::New(ab, 0, length);
-  ui->SetPrototype(env->buffer_prototype_object());
+  Maybe<bool> mb =
+      ui->SetPrototype(env->context(), env->buffer_prototype_object());
+  if (!mb.FromMaybe(false)) {
+    FatalError("node::Buffer::Use(Environment*, char*, size_t)",
+               "Could not set Object prototype");
+    UNREACHABLE();
+  }
   return scope.Escape(ui);
 }
 
@@ -473,8 +499,10 @@ void Create(const FunctionCallbackInfo<Value>& args) {
                        length,
                        ArrayBufferCreationMode::kInternalized);
   Local<Uint8Array> ui = Uint8Array::New(ab, 0, length);
-  ui->SetPrototype(env->buffer_prototype_object());
-  args.GetReturnValue().Set(ui);
+  Maybe<bool> mb =
+      ui->SetPrototype(env->context(), env->buffer_prototype_object());
+  if (mb.FromMaybe(false))
+    args.GetReturnValue().Set(ui);
 }
 
 
@@ -505,8 +533,10 @@ void Slice(const FunctionCallbackInfo<Value>& args) {
   size_t size = end - start;
   CHECK_GE(ab_c.ByteLength(), start + size);
   Local<Uint8Array> ui = Uint8Array::New(ab, start, size);
-  ui->SetPrototype(env->buffer_prototype_object());
-  args.GetReturnValue().Set(ui);
+  Maybe<bool> mb =
+      ui->SetPrototype(env->context(), env->buffer_prototype_object());
+  if (mb.FromMaybe(false))
+    args.GetReturnValue().Set(ui);
 }