| // Copyright 2006-2008 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_BOOTSTRAPPER_H_ |
| #define V8_BOOTSTRAPPER_H_ |
| |
| namespace v8 { |
| namespace internal { |
| |
| // The Boostrapper is the public interface for creating a JavaScript global |
| // context. |
| class Bootstrapper : public AllStatic { |
| public: |
| // Requires: Heap::Setup has been called. |
| static void Initialize(bool create_heap_objects); |
| static void TearDown(); |
| |
| // Creates a JavaScript Global Context with initial object graph. |
| // The returned value is a global handle casted to V8Environment*. |
| static Handle<Context> CreateEnvironment( |
| Handle<Object> global_object, |
| v8::Handle<v8::ObjectTemplate> global_template, |
| v8::ExtensionConfiguration* extensions); |
| |
| // Detach the environment from its outer global object. |
| static void DetachGlobal(Handle<Context> env); |
| |
| // Traverses the pointers for memory management. |
| static void Iterate(ObjectVisitor* v); |
| |
| // Accessors for the native scripts cache. Used in lazy loading. |
| static Handle<String> NativesSourceLookup(int index); |
| static bool NativesCacheLookup(Vector<const char> name, |
| Handle<JSFunction>* handle); |
| static void NativesCacheAdd(Vector<const char> name, Handle<JSFunction> fun); |
| |
| // Append code that needs fixup at the end of boot strapping. |
| static void AddFixup(Code* code, MacroAssembler* masm); |
| |
| // Tells whether bootstrapping is active. |
| static bool IsActive(); |
| |
| // Encoding/decoding support for fixup flags. |
| class FixupFlagsUseCodeObject: public BitField<bool, 0, 1> {}; |
| class FixupFlagsArgumentsCount: public BitField<uint32_t, 1, 32-1> {}; |
| |
| // Support for thread preemption. |
| static int ArchiveSpacePerThread(); |
| static char* ArchiveState(char* to); |
| static char* RestoreState(char* from); |
| static void FreeThreadResources(); |
| }; |
| |
| }} // namespace v8::internal |
| |
| #endif // V8_BOOTSTRAPPER_H_ |