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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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14834 const char* script = "function foo(a) { return a+1; }"; | 14834 const char* script = "function foo(a) { return a+1; }"; |
14835 v8::ScriptCompiler::Source source(v8_str(script)); | 14835 v8::ScriptCompiler::Source source(v8_str(script)); |
14836 v8::ScriptCompiler::Compile(isolate, &source, | 14836 v8::ScriptCompiler::Compile(isolate, &source, |
14837 v8::ScriptCompiler::kProduceDataToCache); | 14837 v8::ScriptCompiler::kProduceDataToCache); |
14838 // Serialize. | 14838 // Serialize. |
14839 const v8::ScriptCompiler::CachedData* cd = source.GetCachedData(); | 14839 const v8::ScriptCompiler::CachedData* cd = source.GetCachedData(); |
14840 char* serialized_data = i::NewArray<char>(cd->length); | 14840 char* serialized_data = i::NewArray<char>(cd->length); |
14841 i::OS::MemCopy(serialized_data, cd->data, cd->length); | 14841 i::OS::MemCopy(serialized_data, cd->data, cd->length); |
14842 | 14842 |
14843 // Deserialize. | 14843 // Deserialize. |
14844 v8::ScriptData* deserialized = | 14844 i::ScriptData* deserialized = i::ScriptData::New(serialized_data, cd->length); |
14845 v8::ScriptData::New(serialized_data, cd->length); | |
14846 | 14845 |
14847 // Verify that the original is the same as the deserialized. | 14846 // Verify that the original is the same as the deserialized. |
14848 CHECK_EQ(cd->length, deserialized->Length()); | 14847 CHECK_EQ(cd->length, deserialized->Length()); |
14849 CHECK_EQ(0, memcmp(cd->data, deserialized->Data(), cd->length)); | 14848 CHECK_EQ(0, memcmp(cd->data, deserialized->Data(), cd->length)); |
14850 | 14849 |
14851 delete deserialized; | 14850 delete deserialized; |
14852 i::DeleteArray(serialized_data); | 14851 i::DeleteArray(serialized_data); |
14853 } | 14852 } |
14854 | 14853 |
14855 | 14854 |
14856 // Attempts to deserialize bad data. | 14855 // Attempts to deserialize bad data. |
14857 TEST(PreCompileDeserializationError) { | 14856 TEST(PreCompileDeserializationError) { |
14858 v8::V8::Initialize(); | 14857 v8::V8::Initialize(); |
14859 const char* data = "DONT CARE"; | 14858 const char* data = "DONT CARE"; |
14860 int invalid_size = 3; | 14859 int invalid_size = 3; |
14861 v8::ScriptData* sd = v8::ScriptData::New(data, invalid_size); | 14860 i::ScriptData* sd = i::ScriptData::New(data, invalid_size); |
14862 | 14861 |
14863 CHECK_EQ(0, sd->Length()); | 14862 CHECK_EQ(0, sd->Length()); |
14864 | 14863 |
14865 delete sd; | 14864 delete sd; |
14866 } | 14865 } |
14867 | 14866 |
14868 | 14867 |
14869 TEST(CompileWithInvalidCachedData) { | 14868 TEST(CompileWithInvalidCachedData) { |
14870 v8::V8::Initialize(); | 14869 v8::V8::Initialize(); |
14871 v8::Isolate* isolate = CcTest::isolate(); | 14870 v8::Isolate* isolate = CcTest::isolate(); |
14872 LocalContext context; | 14871 LocalContext context; |
14873 v8::HandleScope scope(context->GetIsolate()); | 14872 v8::HandleScope scope(context->GetIsolate()); |
14874 i::FLAG_min_preparse_length = 0; | 14873 i::FLAG_min_preparse_length = 0; |
14875 | 14874 |
14876 const char* script = "function foo(){ return 5;}\n" | 14875 const char* script = "function foo(){ return 5;}\n" |
14877 "function bar(){ return 6 + 7;} foo();"; | 14876 "function bar(){ return 6 + 7;} foo();"; |
14878 v8::ScriptCompiler::Source source(v8_str(script)); | 14877 v8::ScriptCompiler::Source source(v8_str(script)); |
14879 v8::ScriptCompiler::Compile(isolate, &source, | 14878 v8::ScriptCompiler::Compile(isolate, &source, |
14880 v8::ScriptCompiler::kProduceDataToCache); | 14879 v8::ScriptCompiler::kProduceDataToCache); |
14881 // source owns its cached data. Create a ScriptData based on it. The user | 14880 // source owns its cached data. Create a ScriptData based on it. The user |
14882 // never needs to create ScriptDatas any more; we only need it here because we | 14881 // never needs to create ScriptDatas any more; we only need it here because we |
14883 // want to modify the data before passing it back. | 14882 // want to modify the data before passing it back. |
14884 const v8::ScriptCompiler::CachedData* cd = source.GetCachedData(); | 14883 const v8::ScriptCompiler::CachedData* cd = source.GetCachedData(); |
14885 // ScriptData does not take ownership of the buffers passed to it. | 14884 // ScriptData does not take ownership of the buffers passed to it. |
14886 v8::ScriptData* sd = | 14885 i::ScriptData* sd = |
14887 v8::ScriptData::New(reinterpret_cast<const char*>(cd->data), cd->length); | 14886 i::ScriptData::New(reinterpret_cast<const char*>(cd->data), cd->length); |
14888 CHECK(!sd->HasError()); | 14887 CHECK(!sd->HasError()); |
14889 // ScriptDataImpl private implementation details | 14888 // ScriptData private implementation details |
14890 const int kHeaderSize = i::PreparseDataConstants::kHeaderSize; | 14889 const int kHeaderSize = i::PreparseDataConstants::kHeaderSize; |
14891 const int kFunctionEntrySize = i::FunctionEntry::kSize; | 14890 const int kFunctionEntrySize = i::FunctionEntry::kSize; |
14892 const int kFunctionEntryStartOffset = 0; | 14891 const int kFunctionEntryStartOffset = 0; |
14893 const int kFunctionEntryEndOffset = 1; | 14892 const int kFunctionEntryEndOffset = 1; |
14894 unsigned* sd_data = | 14893 unsigned* sd_data = |
14895 reinterpret_cast<unsigned*>(const_cast<char*>(sd->Data())); | 14894 reinterpret_cast<unsigned*>(const_cast<char*>(sd->Data())); |
14896 | 14895 |
14897 // Overwrite function bar's end position with 0. | 14896 // Overwrite function bar's end position with 0. |
14898 sd_data[kHeaderSize + 1 * kFunctionEntrySize + kFunctionEntryEndOffset] = 0; | 14897 sd_data[kHeaderSize + 1 * kFunctionEntrySize + kFunctionEntryEndOffset] = 0; |
14899 v8::TryCatch try_catch; | 14898 v8::TryCatch try_catch; |
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14916 CHECK_EQ("Uncaught SyntaxError: Invalid preparser data for function bar", | 14915 CHECK_EQ("Uncaught SyntaxError: Invalid preparser data for function bar", |
14917 *exception_value); | 14916 *exception_value); |
14918 | 14917 |
14919 try_catch.Reset(); | 14918 try_catch.Reset(); |
14920 delete sd; | 14919 delete sd; |
14921 | 14920 |
14922 // Overwrite function bar's start position with 200. The function entry | 14921 // Overwrite function bar's start position with 200. The function entry |
14923 // will not be found when searching for it by position and we should fall | 14922 // will not be found when searching for it by position and we should fall |
14924 // back on eager compilation. | 14923 // back on eager compilation. |
14925 // ScriptData does not take ownership of the buffers passed to it. | 14924 // ScriptData does not take ownership of the buffers passed to it. |
14926 sd = v8::ScriptData::New(reinterpret_cast<const char*>(cd->data), cd->length); | 14925 sd = i::ScriptData::New(reinterpret_cast<const char*>(cd->data), cd->length); |
14927 sd_data = reinterpret_cast<unsigned*>(const_cast<char*>(sd->Data())); | 14926 sd_data = reinterpret_cast<unsigned*>(const_cast<char*>(sd->Data())); |
14928 sd_data[kHeaderSize + 1 * kFunctionEntrySize + kFunctionEntryStartOffset] = | 14927 sd_data[kHeaderSize + 1 * kFunctionEntrySize + kFunctionEntryStartOffset] = |
14929 200; | 14928 200; |
14930 const char* script3 = "function foo(){ return 7;}\n" | 14929 const char* script3 = "function foo(){ return 7;}\n" |
14931 "function bar(){ return 6 + 7;} foo();"; | 14930 "function bar(){ return 6 + 7;} foo();"; |
14932 v8::ScriptCompiler::Source source3( | 14931 v8::ScriptCompiler::Source source3( |
14933 v8_str(script3), | 14932 v8_str(script3), |
14934 new v8::ScriptCompiler::CachedData( | 14933 new v8::ScriptCompiler::CachedData( |
14935 reinterpret_cast<const uint8_t*>(sd->Data()), sd->Length())); | 14934 reinterpret_cast<const uint8_t*>(sd->Data()), sd->Length())); |
14936 compiled_script = | 14935 compiled_script = |
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22396 "f.call(friend);"); | 22395 "f.call(friend);"); |
22397 CHECK_EQ(2, named_access_count); | 22396 CHECK_EQ(2, named_access_count); |
22398 | 22397 |
22399 // Test access using Object.setPrototypeOf reflective method. | 22398 // Test access using Object.setPrototypeOf reflective method. |
22400 named_access_count = 0; | 22399 named_access_count = 0; |
22401 CompileRun("Object.setPrototypeOf(friend, {});"); | 22400 CompileRun("Object.setPrototypeOf(friend, {});"); |
22402 CHECK_EQ(1, named_access_count); | 22401 CHECK_EQ(1, named_access_count); |
22403 CompileRun("Object.getPrototypeOf(friend);"); | 22402 CompileRun("Object.getPrototypeOf(friend);"); |
22404 CHECK_EQ(2, named_access_count); | 22403 CHECK_EQ(2, named_access_count); |
22405 } | 22404 } |
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