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https://github.com/denoland/deno.git
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79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
// Copyright 2018 Ryan Dahl <ry@tinyclouds.org>
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// All rights reserved. MIT License.
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <string>
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#include "v8/include/v8.h"
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#include "./deno_internal.h"
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#include "include/deno.h"
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namespace deno {
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#ifdef DENO_MOCK_RUNTIME
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#include "natives_mock_runtime.cc"
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#include "snapshot_mock_runtime.cc"
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#else
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#include "natives_deno.cc"
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#include "snapshot_deno.cc"
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#endif
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std::vector<InternalFieldData*> deserialized_data;
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void DeserializeInternalFields(v8::Local<v8::Object> holder, int index,
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v8::StartupData payload, void* data) {
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assert(data == nullptr); // TODO(ry) pass Deno* object here.
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if (payload.raw_size == 0) {
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holder->SetAlignedPointerInInternalField(index, nullptr);
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return;
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}
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InternalFieldData* embedder_field = new InternalFieldData{0};
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memcpy(embedder_field, payload.data, payload.raw_size);
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holder->SetAlignedPointerInInternalField(index, embedder_field);
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deserialized_data.push_back(embedder_field);
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}
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Deno* NewFromSnapshot(void* data, deno_sub_cb cb) {
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auto natives_blob = *StartupBlob_natives();
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auto snapshot_blob = *StartupBlob_snapshot();
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v8::V8::SetNativesDataBlob(&natives_blob);
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v8::V8::SetSnapshotDataBlob(&snapshot_blob);
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v8::DeserializeInternalFieldsCallback(DeserializeInternalFields, nullptr);
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Deno* d = new Deno;
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d->currentArgs = nullptr;
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d->cb = cb;
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d->data = data;
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v8::Isolate::CreateParams params;
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params.array_buffer_allocator =
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v8::ArrayBuffer::Allocator::NewDefaultAllocator();
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params.external_references = external_references;
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v8::Isolate* isolate = v8::Isolate::New(params);
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AddIsolate(d, isolate);
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v8::Locker locker(isolate);
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v8::Isolate::Scope isolate_scope(isolate);
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{
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v8::HandleScope handle_scope(isolate);
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auto context =
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v8::Context::New(isolate, nullptr, v8::MaybeLocal<v8::ObjectTemplate>(),
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v8::MaybeLocal<v8::Value>(),
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v8::DeserializeInternalFieldsCallback(
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DeserializeInternalFields, nullptr));
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d->context.Reset(d->isolate, context);
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}
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return d;
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}
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} // namespace deno
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extern "C" {
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Deno* deno_new(void* data, deno_sub_cb cb) {
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return deno::NewFromSnapshot(data, cb);
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}
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}
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