src/property.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 #include "v8.h" 00029 00030 namespace v8 { namespace internal { 00031 00032 00033 void DescriptorWriter::Write(Descriptor* desc) { 00034 ASSERT(desc->key_->IsSymbol()); 00035 descriptors_->Set(pos_, desc); 00036 advance(); 00037 } 00038 00039 00040 void DescriptorWriter::WriteFrom(DescriptorReader* reader) { 00041 Descriptor desc; 00042 reader->Get(&desc); 00043 Write(&desc); 00044 } 00045 00046 00047 #ifdef DEBUG 00048 void LookupResult::Print() { 00049 if (!IsValid()) { 00050 PrintF("Not Found\n"); 00051 return; 00052 } 00053 00054 PrintF("LookupResult:\n"); 00055 PrintF(" -cacheable = %s\n", IsCacheable() ? "true" : "false"); 00056 PrintF(" -attributes = %x\n", GetAttributes()); 00057 switch (type()) { 00058 case NORMAL: 00059 PrintF(" -type = normal\n"); 00060 PrintF(" -entry = %d", GetDictionaryEntry()); 00061 break; 00062 case MAP_TRANSITION: 00063 PrintF(" -type = map transition\n"); 00064 PrintF(" -map:\n"); 00065 GetTransitionMap()->Print(); 00066 PrintF("\n"); 00067 break; 00068 case CONSTANT_FUNCTION: 00069 PrintF(" -type = constant function\n"); 00070 PrintF(" -function:\n"); 00071 GetConstantFunction()->Print(); 00072 PrintF("\n"); 00073 break; 00074 case FIELD: 00075 PrintF(" -type = field\n"); 00076 PrintF(" -index = %d", GetFieldIndex()); 00077 PrintF("\n"); 00078 break; 00079 case CALLBACKS: 00080 PrintF(" -type = call backs\n"); 00081 PrintF(" -callback object:\n"); 00082 GetCallbackObject()->Print(); 00083 break; 00084 case INTERCEPTOR: 00085 PrintF(" -type = lookup interceptor\n"); 00086 break; 00087 case CONSTANT_TRANSITION: 00088 PrintF(" -type = constant property transition\n"); 00089 break; 00090 case NULL_DESCRIPTOR: 00091 PrintF(" =type = null descriptor\n"); 00092 break; 00093 } 00094 } 00095 00096 00097 void Descriptor::Print() { 00098 PrintF("Descriptor "); 00099 GetKey()->ShortPrint(); 00100 PrintF(" @ "); 00101 GetValue()->ShortPrint(); 00102 PrintF(" %d\n", GetDetails().index()); 00103 } 00104 00105 00106 #endif 00107 00108 00109 } } // namespace v8::internal
