1 // Copyright 2006-2008 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
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13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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28 // The common functionality when building with or without snapshots.
33 #include "serialize.h"
40 bool Snapshot::Deserialize(const byte* content, int len) {
41 SnapshotByteSource source(content, len);
42 Deserializer deserializer(&source);
43 return V8::Initialize(&deserializer);
47 bool Snapshot::Initialize(const char* snapshot_file) {
50 byte* str = ReadBytes(snapshot_file, &len);
51 if (!str) return false;
52 Deserialize(str, len);
55 } else if (size_ > 0) {
56 Deserialize(raw_data_, raw_size_);
63 Handle<Context> Snapshot::NewContextFromSnapshot() {
64 if (context_size_ == 0) {
65 return Handle<Context>();
67 HEAP->ReserveSpace(new_space_used_,
74 SnapshotByteSource source(context_raw_data_,
76 Deserializer deserializer(&source);
78 deserializer.DeserializePartial(&root);
79 CHECK(root->IsContext());
80 return Handle<Context>(Context::cast(root));
83 } } // namespace v8::internal