src/snapshot-common.cc
説明を見る。
00001 // Copyright 2006-2008 the V8 project authors. All rights reserved. 00002 // Redistribution and use in source and binary forms, with or without 00003 // modification, are permitted provided that the following conditions are 00004 // met: 00005 // 00006 // * Redistributions of source code must retain the above copyright 00007 // notice, this list of conditions and the following disclaimer. 00008 // * Redistributions in binary form must reproduce the above 00009 // copyright notice, this list of conditions and the following 00010 // disclaimer in the documentation and/or other materials provided 00011 // with the distribution. 00012 // * Neither the name of Google Inc. nor the names of its 00013 // contributors may be used to endorse or promote products derived 00014 // from this software without specific prior written permission. 00015 // 00016 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00017 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00018 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00019 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00020 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00021 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00022 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00023 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00024 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00025 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00026 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00027 00028 // The common functionality when building with or without snapshots. 00029 00030 #include "v8.h" 00031 00032 #include "api.h" 00033 #include "serialize.h" 00034 #include "snapshot.h" 00035 00036 namespace v8 { namespace internal { 00037 00038 bool Snapshot::Deserialize(const char* content, int len) { 00039 Deserializer des(content, len); 00040 des.GetFlags(); 00041 return V8::Initialize(&des); 00042 } 00043 00044 00045 bool Snapshot::Initialize(const char* snapshot_file) { 00046 if (snapshot_file) { 00047 int len; 00048 char* str = ReadChars(snapshot_file, &len); 00049 if (!str) return false; 00050 bool result = Deserialize(str, len); 00051 DeleteArray(str); 00052 return result; 00053 } else if (size_ > 0) { 00054 return Deserialize(data_, size_); 00055 } 00056 return false; 00057 } 00058 00059 00060 bool Snapshot::WriteToFile(const char* snapshot_file) { 00061 Serializer ser; 00062 ser.Serialize(); 00063 char* str; 00064 int len; 00065 ser.Finalize(&str, &len); 00066 00067 int written = WriteChars(snapshot_file, str, len); 00068 00069 DeleteArray(str); 00070 return written == len; 00071 } 00072 00073 00074 } } // namespace v8::internal
