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// Copyright 2006-2008 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 "isolate.h"
#ifndef V8_SNAPSHOT_H_
#define V8_SNAPSHOT_H_
namespace v8 {
namespace internal {
class Snapshot {
public:
// Initialize the VM from the given snapshot file. If snapshot_file is
// NULL, use the internal snapshot instead. Returns false if no snapshot
// could be found.
static bool Initialize(const char* snapshot_file = NULL);
// Create a new context using the internal partial snapshot.
static Handle<Context> NewContextFromSnapshot();
// Returns whether or not the snapshot is enabled.
static bool IsEnabled() { return size_ != 0; }
// Write snapshot to the given file. Returns true if snapshot was written
// successfully.
static bool WriteToFile(const char* snapshot_file);
static const byte* data() { return data_; }
static int size() { return size_; }
static int raw_size() { return raw_size_; }
static void set_raw_data(const byte* raw_data) {
raw_data_ = raw_data;
}
static const byte* context_data() { return context_data_; }
static int context_size() { return context_size_; }
static int context_raw_size() { return context_raw_size_; }
static void set_context_raw_data(
const byte* context_raw_data) {
context_raw_data_ = context_raw_data;
}
private:
static const byte data_[];
static const byte* raw_data_;
static const byte context_data_[];
static const byte* context_raw_data_;
static const int new_space_used_;
static const int pointer_space_used_;
static const int data_space_used_;
static const int code_space_used_;
static const int map_space_used_;
static const int cell_space_used_;
static const int large_space_used_;
static const int size_;
static const int raw_size_;
static const int context_size_;
static const int context_raw_size_;
static bool Deserialize(const byte* content, int len);
DISALLOW_IMPLICIT_CONSTRUCTORS(Snapshot);
};
} } // namespace v8::internal
#endif // V8_SNAPSHOT_H_
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