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Diffstat (limited to 'src/3rdparty/v8/src/snapshot-common.cc')
-rw-r--r-- | src/3rdparty/v8/src/snapshot-common.cc | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/3rdparty/v8/src/snapshot-common.cc b/src/3rdparty/v8/src/snapshot-common.cc new file mode 100644 index 0000000..7f82895 --- /dev/null +++ b/src/3rdparty/v8/src/snapshot-common.cc @@ -0,0 +1,82 @@ +// 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. + +// The common functionality when building with or without snapshots. + +#include "v8.h" + +#include "api.h" +#include "serialize.h" +#include "snapshot.h" +#include "platform.h" + +namespace v8 { +namespace internal { + +bool Snapshot::Deserialize(const byte* content, int len) { + SnapshotByteSource source(content, len); + Deserializer deserializer(&source); + return V8::Initialize(&deserializer); +} + + +bool Snapshot::Initialize(const char* snapshot_file) { + if (snapshot_file) { + int len; + byte* str = ReadBytes(snapshot_file, &len); + if (!str) return false; + Deserialize(str, len); + DeleteArray(str); + return true; + } else if (size_ > 0) { + Deserialize(data_, size_); + return true; + } + return false; +} + + +Handle<Context> Snapshot::NewContextFromSnapshot() { + if (context_size_ == 0) { + return Handle<Context>(); + } + HEAP->ReserveSpace(new_space_used_, + pointer_space_used_, + data_space_used_, + code_space_used_, + map_space_used_, + cell_space_used_, + large_space_used_); + SnapshotByteSource source(context_data_, context_size_); + Deserializer deserializer(&source); + Object* root; + deserializer.DeserializePartial(&root); + CHECK(root->IsContext()); + return Handle<Context>(Context::cast(root)); +} + +} } // namespace v8::internal |