1 files changed, 62 insertions, 0 deletions
diff --git a/tools/code_cache/mkcodecache.cc b/tools/code_cache/mkcodecache.cc
new file mode 100644
index 00000000000..24f7e05e1f1
--- /dev/null
+++ b/tools/code_cache/mkcodecache.cc
@@ -0,0 +1,62 @@
+#include <cstdio>
+#include <fstream>
+#include <iostream>
+#include <sstream>
+#include <string>
+#include <vector>
+
+#include "cache_builder.h"
+#include "libplatform/libplatform.h"
+#include "v8.h"
+
+using node::native_module::CodeCacheBuilder;
+using v8::ArrayBuffer;
+using v8::Context;
+using v8::HandleScope;
+using v8::Isolate;
+using v8::Local;
+
+#ifdef _WIN32
+#include <VersionHelpers.h>
+#include <WinError.h>
+#include <windows.h>
+
+int wmain(int argc, wchar_t* argv[]) {
+#else   // UNIX
+int main(int argc, char* argv[]) {
+#endif  // _WIN32
+
+  if (argc < 2) {
+    std::cerr << "Usage: " << argv[0] << " <path/to/output.cc>\n";
+    return 1;
+  }
+
+  std::ofstream out;
+  out.open(argv[1], std::ios::out | std::ios::binary);
+  if (!out.is_open()) {
+    std::cerr << "Cannot open " << argv[1] << "\n";
+    return 1;
+  }
+
+  std::unique_ptr<v8::Platform> platform = v8::platform::NewDefaultPlatform();
+  v8::V8::InitializePlatform(platform.get());
+  v8::V8::Initialize();
+
+  // Create a new Isolate and make it the current one.
+  Isolate::CreateParams create_params;
+  create_params.array_buffer_allocator =
+      ArrayBuffer::Allocator::NewDefaultAllocator();
+  Isolate* isolate = Isolate::New(create_params);
+  {
+    Isolate::Scope isolate_scope(isolate);
+    v8::HandleScope handle_scope(isolate);
+    v8::Local<v8::Context> context = v8::Context::New(isolate);
+    v8::Context::Scope context_scope(context);
+
+    std::string cache = CodeCacheBuilder::Generate(context);
+    out << cache;
+    out.close();
+  }
+
+  return 0;
+}