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Diffstat (limited to 'src/snapshot_creator.cc')
-rw-r--r-- | src/snapshot_creator.cc | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/src/snapshot_creator.cc b/src/snapshot_creator.cc deleted file mode 100644 index 8038c9b13..000000000 --- a/src/snapshot_creator.cc +++ /dev/null @@ -1,75 +0,0 @@ -// Copyright 2018 the Deno authors. All rights reserved. MIT license. -// Hint: --trace_serializer is a useful debugging flag. -#include <fstream> -#include "deno.h" -#include "file_util.h" -#include "internal.h" -#include "third_party/v8/include/v8.h" -#include "third_party/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 std::string& js_source, - const std::string* source_map) { - 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, source_map); - creator->SetDefaultContext(context, v8::SerializeInternalFieldsCallback( - SerializeInternalFields, nullptr)); - } - - auto snapshot_blob = - creator->CreateBlob(v8::SnapshotCreator::FunctionCodeHandling::kClear); - - return snapshot_blob; -} - -} // namespace deno - -int main(int argc, char** argv) { - const char* snapshot_out_bin = argv[1]; - const char* js_fn = argv[2]; - const char* source_map_fn = argv[3]; // Optional. - - v8::V8::SetFlagsFromCommandLine(&argc, argv, true); - - CHECK_NE(js_fn, nullptr); - CHECK_NE(snapshot_out_bin, nullptr); - - std::string js_source; - CHECK(deno::ReadFileToString(js_fn, &js_source)); - - std::string source_map; - if (source_map_fn != nullptr) { - CHECK_EQ(argc, 4); - CHECK(deno::ReadFileToString(source_map_fn, &source_map)); - } - - deno_init(); - auto snapshot_blob = deno::MakeSnapshot( - js_fn, js_source, source_map_fn != nullptr ? &source_map : nullptr); - std::string snapshot_str(snapshot_blob.data, snapshot_blob.raw_size); - - std::ofstream file_(snapshot_out_bin, std::ios::binary); - file_ << snapshot_str; - file_.close(); - return file_.bad(); -} |