1 // Copyright 2009 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 4 // met: 5 // 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. 12 // * Neither the name of Google Inc. nor the names of its 13 // contributors may be used to endorse or promote products derived 14 // from this software without specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28 #ifndef V8_APIUTILS_H_ 29 #define V8_APIUTILS_H_ 30 31 namespace v8 { 32 33 class ImplementationUtilities { 34 public: 35 static v8::Handle<v8::Primitive> Undefined(); 36 static v8::Handle<v8::Primitive> Null(); 37 static v8::Handle<v8::Boolean> True(); 38 static v8::Handle<v8::Boolean> False(); 39 40 static int GetNameCount(ExtensionConfiguration* that) { 41 return that->name_count_; 42 } 43 44 static const char** GetNames(ExtensionConfiguration* that) { 45 return that->names_; 46 } 47 48 static v8::Arguments NewArguments(Local<Value> data, 49 Local<Object> holder, 50 Local<Function> callee, 51 bool is_construct_call, 52 void** argv, int argc) { 53 return v8::Arguments(data, holder, callee, is_construct_call, argv, argc); 54 } 55 56 // Introduce an alias for the handle scope data to allow non-friends 57 // to access the HandleScope data. 58 typedef v8::HandleScope::Data HandleScopeData; 59 60 static HandleScopeData* CurrentHandleScope(); 61 62 #ifdef DEBUG 63 static void ZapHandleRange(internal::Object** begin, internal::Object** end); 64 #endif 65 }; 66 67 } // namespace v8 68 69 #endif // V8_APIUTILS_H_ 70
