77196c5771
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@296 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
112 lines
3.3 KiB
C++
112 lines
3.3 KiB
C++
// Copyright 2006-2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "v8.h"
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#include "bootstrapper.h"
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#include "debug.h"
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#include "serialize.h"
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#include "stub-cache.h"
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namespace v8 { namespace internal {
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bool V8::has_been_setup_ = false;
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bool V8::has_been_disposed_ = false;
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bool V8::Initialize(Deserializer *des) {
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bool create_heap_objects = des == NULL;
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if (HasBeenDisposed()) return false;
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if (HasBeenSetup()) return true;
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has_been_setup_ = true;
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#ifdef DEBUG
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// The initialization process does not handle memory exhaustion.
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DisallowAllocationFailure disallow_allocation_failure;
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#endif
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// Enable logging before setting up the heap
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Logger::Setup();
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if (des) des->GetLog();
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// Setup the CPU support.
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CPU::Setup();
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// Setup the platform OS support.
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OS::Setup();
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// Setup the object heap
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ASSERT(!Heap::HasBeenSetup());
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if (!Heap::Setup(create_heap_objects)) {
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has_been_setup_ = false;
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return false;
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}
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// Initialize other runtime facilities
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Bootstrapper::Initialize(create_heap_objects);
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Builtins::Setup(create_heap_objects);
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Top::Initialize();
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if (FLAG_preemption) {
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v8::Locker locker;
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v8::Locker::StartPreemption(100);
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}
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Debug::Setup(create_heap_objects);
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StubCache::Initialize(create_heap_objects);
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// If we are deserializing, read the state into the now-empty heap.
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if (des != NULL) {
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des->Deserialize();
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StubCache::Clear();
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}
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return true;
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}
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void V8::TearDown() {
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if (HasBeenDisposed()) return;
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if (!HasBeenSetup()) return;
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if (FLAG_preemption) {
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v8::Locker locker;
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v8::Locker::StopPreemption();
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}
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Builtins::TearDown();
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Bootstrapper::TearDown();
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Top::TearDown();
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Heap::TearDown();
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Logger::TearDown();
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has_been_setup_ = false;
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has_been_disposed_ = true;
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}
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} } // namespace v8::internal
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