1 files changed, 0 insertions, 91 deletions
diff --git a/deno2/snapshot_creator.cc b/deno2/snapshot_creator.cc
deleted file mode 100644
index b822abd6e..000000000
--- a/deno2/snapshot_creator.cc
+++ /dev/null
@@ -1,91 +0,0 @@
-// Copyright 2018 Ryan Dahl <ry@tinyclouds.org>
-// All rights reserved. MIT License.
-// Hint: --trace_serializer is a useful debugging flag.
-#include "deno_internal.h"
-#include "file_util.h"
-#include "include/deno.h"
-#include "v8/include/v8.h"
-#include "v8/src/base/logging.h"
-
-namespace deno {
-
-v8::StartupData SerializeInternalFields(v8::Local<v8::Object> holder, int index,
-                                        void* data) {
-  DCHECK_EQ(data, nullptr);
-  InternalFieldData* embedder_field = static_cast<InternalFieldData*>(
-      holder->GetAlignedPointerFromInternalField(index));
-  if (embedder_field == nullptr) return {nullptr, 0};
-  int size = sizeof(*embedder_field);
-  char* payload = new char[size];
-  // We simply use memcpy to serialize the content.
-  memcpy(payload, embedder_field, size);
-  return {payload, size};
-}
-
-v8::StartupData MakeSnapshot(const char* js_filename, const char* js_source) {
-  auto* creator = new v8::SnapshotCreator(external_references);
-  auto* isolate = creator->GetIsolate();
-  v8::Isolate::Scope isolate_scope(isolate);
-  {
-    v8::HandleScope handle_scope(isolate);
-    auto context = v8::Context::New(isolate);
-    InitializeContext(isolate, context, js_filename, js_source);
-    creator->SetDefaultContext(context, v8::SerializeInternalFieldsCallback(
-                                            SerializeInternalFields, nullptr));
-  }
-
-  // Note that using kKeep here will cause segfaults. This is demoed in the
-  // "SnapshotBug" test case.
-  auto snapshot_blob =
-      creator->CreateBlob(v8::SnapshotCreator::FunctionCodeHandling::kClear);
-
-  return snapshot_blob;
-}
-
-// Wrap the js_source in an IIFE to work around a bug in the V8 snapshot
-// serializer. Without it, CreateBlob() triggers the following assert:
-//   Debug check failed : outer_scope_info()->IsScopeInfo() || is_toplevel().
-//   ==== C stack trace ====
-//   v8::internal::SharedFunctionInfo::FlushCompiled
-//   v8::SnapshotCreator::CreateBlob
-//   deno::MakeSnapshot
-// Avoid misaligning the source map, and ensure that the sourceMappingUrl
-// comment remains at the last line.
-// Try removing this when this bug is fixed:
-// https://bugs.chromium.org/p/v8/issues/detail?id=7857
-std::string WrapSourceCode(const std::string& js_source) {
-  auto smu_offset = js_source.rfind("//# sourceMappingURL=");
-  std::string tail =
-      smu_offset == std::string::npos ? "" : js_source.substr(smu_offset);
-  auto wrapped_js_source =
-      "(function() {" + js_source.substr(0, smu_offset) + "\n})();\n" + tail;
-  // Double check that the source mapping url comment is at the last line.
-  auto last_line = wrapped_js_source.substr(wrapped_js_source.rfind('\n'));
-  CHECK(smu_offset == std::string::npos ||
-        last_line.find("sourceMappingURL") != std::string::npos);
-  return wrapped_js_source;
-}
-
-}  // namespace deno
-
-int main(int argc, char** argv) {
-  const char* js_fn = argv[1];
-  const char* snapshot_out_cc = argv[2];
-
-  v8::V8::SetFlagsFromCommandLine(&argc, argv, true);
-
-  CHECK_EQ(argc, 3);
-  CHECK_NE(js_fn, nullptr);
-  CHECK_NE(snapshot_out_cc, nullptr);
-
-  std::string js_source;
-  CHECK(deno::ReadFileToString(js_fn, &js_source));
-
-  auto wrapped_js_source = deno::WrapSourceCode(js_source);
-
-  deno_init();
-  auto snapshot_blob = deno::MakeSnapshot(js_fn, wrapped_js_source.c_str());
-  std::string snapshot_str(snapshot_blob.data, snapshot_blob.raw_size);
-
-  CHECK(deno::WriteDataAsCpp("snapshot", snapshot_out_cc, snapshot_str));
-}