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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "node.h"
#include "env.h"
#include "env-inl.h"
#include "util.h"
#include "util-inl.h"
#include "v8.h"
namespace node {
using v8::Context;
using v8::Function;
using v8::FunctionCallbackInfo;
using v8::Handle;
using v8::HeapStatistics;
using v8::Isolate;
using v8::Local;
using v8::Object;
using v8::String;
using v8::Uint32;
using v8::V8;
using v8::Value;
void GetHeapStatistics(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
Isolate* isolate = args.GetIsolate();
HeapStatistics s;
isolate->GetHeapStatistics(&s);
Local<Object> info = Object::New(isolate);
// TODO(trevnorris): Setting many object properties in C++ is a significant
// performance hit. Redo this to pass the results to JS and create/set the
// properties there.
#define V(name) \
info->Set(env->name ## _string(), Uint32::NewFromUnsigned(isolate, s.name()))
V(total_heap_size);
V(total_heap_size_executable);
V(total_physical_size);
V(used_heap_size);
V(heap_size_limit);
#undef V
args.GetReturnValue().Set(info);
}
void SetFlagsFromString(const FunctionCallbackInfo<Value>& args) {
String::Utf8Value flags(args[0]);
V8::SetFlagsFromString(*flags, flags.length());
}
void InitializeV8Bindings(Handle<Object> target,
Handle<Value> unused,
Handle<Context> context) {
Environment* env = Environment::GetCurrent(context);
env->SetMethod(target, "getHeapStatistics", GetHeapStatistics);
env->SetMethod(target, "setFlagsFromString", SetFlagsFromString);
}
} // namespace node
NODE_MODULE_CONTEXT_AWARE_BUILTIN(v8, node::InitializeV8Bindings)
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