Various extension-related cleanup and simplifications.

test/cctest/print-extension.cc

-// Copyright 2013 the V8 project authors. All rights reserved.
+// Copyright 2014 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#include "worker-thread.h"
-
-// TODO(jochen): We should have our own version of checks.h.
-#include "../checks.h"
-#include "../../include/v8-platform.h"
-#include "task-queue.h"
+#include "print-extension.h"
 
 namespace v8 {
 namespace internal {
 
-WorkerThread::WorkerThread(TaskQueue* queue)
-    : Thread("V8 WorkerThread"), queue_(queue) {
-  Start();
+v8::Handle<v8::FunctionTemplate> PrintExtension::GetNativeFunctionTemplate(
+    v8::Isolate* isolate,
+    v8::Handle<v8::String> str) {
+  return v8::FunctionTemplate::New(isolate, PrintExtension::Print);
 }
 
 
-WorkerThread::~WorkerThread() {
-  Join();
-}
-
-
-void WorkerThread::Run() {
-  while (Task* task = queue_->GetNext()) {
-    task->Run();
-    delete task;
+void PrintExtension::Print(const v8::FunctionCallbackInfo<v8::Value>& args) {
+  for (int i = 0; i < args.Length(); i++) {
+    if (i != 0) printf(" ");
+    v8::HandleScope scope(args.GetIsolate());
+    v8::String::Utf8Value str(args[i]);
+    if (*str == NULL) return;
+    printf("%s", *str);
   }
+  printf("\n");
 }
 
 } }  // namespace v8::internal