Make isolate.h usable without objects-inl.h header.

src/isolate-inl.h

+// Copyright 2015 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.
+
+#ifndef V8_ISOLATE_INL_H_
+#define V8_ISOLATE_INL_H_
+
+#include "src/isolate.h"
+#include "src/objects-inl.h"
+
+namespace v8 {
+namespace internal {
+
+
+void Isolate::set_context(Context* context) {
+  DCHECK(context == NULL || context->IsContext());
+  thread_local_top_.context_ = context;
+}
+
+
+Object* Isolate::pending_exception() {
+  DCHECK(has_pending_exception());
+  DCHECK(!thread_local_top_.pending_exception_->IsException());
+  return thread_local_top_.pending_exception_;
+}
+
+
+void Isolate::set_pending_exception(Object* exception_obj) {
+  DCHECK(!exception_obj->IsException());
+  thread_local_top_.pending_exception_ = exception_obj;
+}
+
+
+void Isolate::clear_pending_exception() {
+  DCHECK(!thread_local_top_.pending_exception_->IsException());
+  thread_local_top_.pending_exception_ = heap_.the_hole_value();
+}
+
+
+bool Isolate::has_pending_exception() {
+  DCHECK(!thread_local_top_.pending_exception_->IsException());
+  return !thread_local_top_.pending_exception_->IsTheHole();
+}
+
+
+void Isolate::clear_pending_message() {
+  thread_local_top_.pending_message_obj_ = heap_.the_hole_value();
+}
+
+
+Object* Isolate::scheduled_exception() {
+  DCHECK(has_scheduled_exception());
+  DCHECK(!thread_local_top_.scheduled_exception_->IsException());
+  return thread_local_top_.scheduled_exception_;
+}
+
+
+bool Isolate::has_scheduled_exception() {
+  DCHECK(!thread_local_top_.scheduled_exception_->IsException());
+  return thread_local_top_.scheduled_exception_ != heap_.the_hole_value();
+}
+
+
+void Isolate::clear_scheduled_exception() {
+  DCHECK(!thread_local_top_.scheduled_exception_->IsException());
+  thread_local_top_.scheduled_exception_ = heap_.the_hole_value();
+}
+
+
+bool Isolate::is_catchable_by_javascript(Object* exception) {
+  return exception != heap()->termination_exception();
+}
+
+
+Handle<GlobalObject> Isolate::global_object() {
+  return Handle<GlobalObject>(context()->global_object());
+}
+
+
+Isolate::ExceptionScope::ExceptionScope(Isolate* isolate)
+    : isolate_(isolate),
+      pending_exception_(isolate_->pending_exception(), isolate_) {}
+
+
+Isolate::ExceptionScope::~ExceptionScope() {
+  isolate_->set_pending_exception(*pending_exception_);
+}
+
+
+#define NATIVE_CONTEXT_FIELD_ACCESSOR(index, type, name) \
+  Handle<type> Isolate::name() {                         \
+    return Handle<type>(native_context()->name(), this); \
+  }                                                      \
+  bool Isolate::is_##name(type* value) {                 \
+    return native_context()->is_##name(value);           \
+  }
+NATIVE_CONTEXT_FIELDS(NATIVE_CONTEXT_FIELD_ACCESSOR)
+#undef NATIVE_CONTEXT_FIELD_ACCESSOR
+
+
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_ISOLATE_INL_H_