| // Copyright 2009 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. |
| |
| #ifndef V8_APIUTILS_H_ |
| #define V8_APIUTILS_H_ |
| |
| namespace v8 { |
| class ImplementationUtilities { |
| public: |
| static v8::Handle<v8::Primitive> Undefined(); |
| static v8::Handle<v8::Primitive> Null(); |
| static v8::Handle<v8::Boolean> True(); |
| static v8::Handle<v8::Boolean> False(); |
| |
| static int GetNameCount(ExtensionConfiguration* that) { |
| return that->name_count_; |
| } |
| |
| static const char** GetNames(ExtensionConfiguration* that) { |
| return that->names_; |
| } |
| |
| // Packs additional parameters for the NewArguments function. |implicit_args| |
| // is a pointer to the last element of 3-elements array controlled by GC. |
| static void PrepareArgumentsData(internal::Object** implicit_args, |
| internal::Object* data, |
| internal::JSFunction* callee, |
| internal::Object* holder) { |
| implicit_args[v8::Arguments::kDataIndex] = data; |
| implicit_args[v8::Arguments::kCalleeIndex] = callee; |
| implicit_args[v8::Arguments::kHolderIndex] = holder; |
| } |
| |
| static v8::Arguments NewArguments(internal::Object** implicit_args, |
| internal::Object** argv, int argc, |
| bool is_construct_call) { |
| return v8::Arguments(implicit_args, argv, argc, is_construct_call); |
| } |
| |
| // Introduce an alias for the handle scope data to allow non-friends |
| // to access the HandleScope data. |
| typedef v8::HandleScope::Data HandleScopeData; |
| |
| static HandleScopeData* CurrentHandleScope(); |
| |
| #ifdef DEBUG |
| static void ZapHandleRange(internal::Object** begin, internal::Object** end); |
| #endif |
| }; |
| |
| } // namespace v8 |
| |
| #endif // V8_APIUTILS_H_ |