| // Copyright 2010 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. |
| |
| #include "gc-extension.h" |
| #include "platform.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| |
| v8::Handle<v8::FunctionTemplate> GCExtension::GetNativeFunction( |
| v8::Handle<v8::String> str) { |
| return v8::FunctionTemplate::New(GCExtension::GC); |
| } |
| |
| |
| void GCExtension::GC(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(args.GetIsolate()); |
| if (args[0]->BooleanValue()) { |
| isolate->heap()->CollectGarbage(NEW_SPACE, "gc extension"); |
| } else { |
| isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags, "gc extension"); |
| } |
| } |
| |
| |
| void GCExtension::Register() { |
| static char buffer[50]; |
| Vector<char> temp_vector(buffer, sizeof(buffer)); |
| if (FLAG_expose_gc_as != NULL && strlen(FLAG_expose_gc_as) != 0) { |
| OS::SNPrintF(temp_vector, "native function %s();", FLAG_expose_gc_as); |
| } else { |
| OS::SNPrintF(temp_vector, "native function gc();"); |
| } |
| |
| static GCExtension gc_extension(buffer); |
| static v8::DeclareExtension declaration(&gc_extension); |
| } |
| |
| } } // namespace v8::internal |