src/extensions/gc-extension.cc

// Copyright 2010 the V8 project authors. All rights reserved.
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#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) {
  if (args[0]->BooleanValue()) {
    HEAP->CollectGarbage(NEW_SPACE, "gc extension");
  } else {
    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