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Code Issues Packages 1 Wiki Activity
denoland-deno/libdeno/binding.cc
Yoshiya Hinosawa 77114fbda4 chore: update license lines (#1557)
2019-01-21 13:03:30 -06:00

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// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <iostream>
#include <string>
#include "third_party/v8/include/v8.h"
#include "third_party/v8/src/base/logging.h"
#include "deno.h"
#include "internal.h"
#define GLOBAL_IMPORT_BUF_SIZE 1024
namespace deno {
std::vector<InternalFieldData*> deserialized_data;
void DeserializeInternalFields(v8::Local<v8::Object> holder, int index,
v8::StartupData payload, void* data) {
DCHECK_EQ(data, nullptr);
if (payload.raw_size == 0) {
holder->SetAlignedPointerInInternalField(index, nullptr);
return;
}
InternalFieldData* embedder_field = new InternalFieldData{0};
memcpy(embedder_field, payload.data, payload.raw_size);
holder->SetAlignedPointerInInternalField(index, embedder_field);
deserialized_data.push_back(embedder_field);
}
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};
}
DenoIsolate* FromIsolate(v8::Isolate* isolate) {
return static_cast<DenoIsolate*>(isolate->GetData(0));
}
void AddDataRef(DenoIsolate* d, int32_t req_id, v8::Local<v8::Value> data_v) {
d->async_data_map_.emplace(std::piecewise_construct, std::make_tuple(req_id),
std::make_tuple(d->isolate_, data_v));
}
void DeleteDataRef(DenoIsolate* d, int32_t req_id) {
// Delete persistent reference to data ArrayBuffer.
auto it = d->async_data_map_.find(req_id);
if (it != d->async_data_map_.end()) {
it->second.Reset();
d->async_data_map_.erase(it);
}
}
// Extracts a C string from a v8::V8 Utf8Value.
const char* ToCString(const v8::String::Utf8Value& value) {
return *value ? *value : "<string conversion failed>";
}
std::string EncodeExceptionAsJSON(v8::Local<v8::Context> context,
v8::Local<v8::Value> exception) {
auto* isolate = context->GetIsolate();
v8::HandleScope handle_scope(isolate);
v8::Context::Scope context_scope(context);
auto message = v8::Exception::CreateMessage(isolate, exception);
auto stack_trace = message->GetStackTrace();
// Encode the exception into a JS object, which we will then turn into JSON.
auto json_obj = v8::Object::New(isolate);
auto exception_str = exception->ToString(context).ToLocalChecked();
// Alternate and very similar string. Not sure which is appropriate.
// auto exception_str = message->Get();
CHECK(json_obj->Set(context, v8_str("message"), exception_str).FromJust());
auto maybe_source_line = message->GetSourceLine(context);
if (!maybe_source_line.IsEmpty()) {
CHECK(json_obj
->Set(context, v8_str("sourceLine"),
maybe_source_line.ToLocalChecked())
.FromJust());
}
CHECK(json_obj
->Set(context, v8_str("scriptResourceName"),
message->GetScriptResourceName())
.FromJust());
auto maybe_line_number = message->GetLineNumber(context);
if (maybe_line_number.IsJust()) {
CHECK(json_obj
->Set(context, v8_str("lineNumber"),
v8::Integer::New(isolate, maybe_line_number.FromJust()))
.FromJust());
}
CHECK(json_obj
->Set(context, v8_str("startPosition"),
v8::Integer::New(isolate, message->GetStartPosition()))
.FromJust());
CHECK(json_obj
->Set(context, v8_str("endPosition"),
v8::Integer::New(isolate, message->GetEndPosition()))
.FromJust());
CHECK(json_obj
->Set(context, v8_str("errorLevel"),
v8::Integer::New(isolate, message->ErrorLevel()))
.FromJust());
auto maybe_start_column = message->GetStartColumn(context);
if (maybe_start_column.IsJust()) {
auto start_column =
v8::Integer::New(isolate, maybe_start_column.FromJust());
CHECK(
json_obj->Set(context, v8_str("startColumn"), start_column).FromJust());
}
auto maybe_end_column = message->GetEndColumn(context);
if (maybe_end_column.IsJust()) {
auto end_column = v8::Integer::New(isolate, maybe_end_column.FromJust());
CHECK(json_obj->Set(context, v8_str("endColumn"), end_column).FromJust());
}
CHECK(json_obj
->Set(context, v8_str("isSharedCrossOrigin"),
v8::Boolean::New(isolate, message->IsSharedCrossOrigin()))
.FromJust());
CHECK(json_obj
->Set(context, v8_str("isOpaque"),
v8::Boolean::New(isolate, message->IsOpaque()))
.FromJust());
v8::Local<v8::Array> frames;
if (!stack_trace.IsEmpty()) {
uint32_t count = static_cast<uint32_t>(stack_trace->GetFrameCount());
frames = v8::Array::New(isolate, count);
for (uint32_t i = 0; i < count; ++i) {
auto frame = stack_trace->GetFrame(isolate, i);
auto frame_obj = v8::Object::New(isolate);
CHECK(frames->Set(context, i, frame_obj).FromJust());
auto line = v8::Integer::New(isolate, frame->GetLineNumber());
auto column = v8::Integer::New(isolate, frame->GetColumn());
CHECK(frame_obj->Set(context, v8_str("line"), line).FromJust());
CHECK(frame_obj->Set(context, v8_str("column"), column).FromJust());
CHECK(frame_obj
->Set(context, v8_str("functionName"), frame->GetFunctionName())
.FromJust());
// scriptName can be empty in special conditions e.g. eval
auto scriptName = frame->GetScriptNameOrSourceURL();
if (scriptName.IsEmpty()) {
scriptName = v8_str("<unknown>");
}
CHECK(
frame_obj->Set(context, v8_str("scriptName"), scriptName).FromJust());
CHECK(frame_obj
->Set(context, v8_str("isEval"),
v8::Boolean::New(isolate, frame->IsEval()))
.FromJust());
CHECK(frame_obj
->Set(context, v8_str("isConstructor"),
v8::Boolean::New(isolate, frame->IsConstructor()))
.FromJust());
CHECK(frame_obj
->Set(context, v8_str("isWasm"),
v8::Boolean::New(isolate, frame->IsWasm()))
.FromJust());
}
} else {
// No stack trace. We only have one stack frame of info..
frames = v8::Array::New(isolate, 1);
auto frame_obj = v8::Object::New(isolate);
CHECK(frames->Set(context, 0, frame_obj).FromJust());
auto line =
v8::Integer::New(isolate, message->GetLineNumber(context).FromJust());
auto column =
v8::Integer::New(isolate, message->GetStartColumn(context).FromJust());
CHECK(frame_obj->Set(context, v8_str("line"), line).FromJust());
CHECK(frame_obj->Set(context, v8_str("column"), column).FromJust());
CHECK(frame_obj
->Set(context, v8_str("scriptName"),
message->GetScriptResourceName())
.FromJust());
}
CHECK(json_obj->Set(context, v8_str("frames"), frames).FromJust());
auto json_string = v8::JSON::Stringify(context, json_obj).ToLocalChecked();
v8::String::Utf8Value json_string_(isolate, json_string);
return std::string(ToCString(json_string_));
}
void HandleException(v8::Local<v8::Context> context,
v8::Local<v8::Value> exception) {
v8::Isolate* isolate = context->GetIsolate();
DenoIsolate* d = FromIsolate(isolate);
std::string json_str = EncodeExceptionAsJSON(context, exception);
CHECK(d != nullptr);
d->last_exception_ = json_str;
}
void PromiseRejectCallback(v8::PromiseRejectMessage promise_reject_message) {
auto* isolate = v8::Isolate::GetCurrent();
DenoIsolate* d = static_cast<DenoIsolate*>(isolate->GetData(0));
DCHECK_EQ(d->isolate_, isolate);
v8::HandleScope handle_scope(d->isolate_);
auto error = promise_reject_message.GetValue();
auto context = d->context_.Get(d->isolate_);
auto promise = promise_reject_message.GetPromise();
v8::Context::Scope context_scope(context);
int promise_id = promise->GetIdentityHash();
switch (promise_reject_message.GetEvent()) {
case v8::kPromiseRejectWithNoHandler:
// Insert the error into the pending_promise_map_ using the promise's id
// as the key.
d->pending_promise_map_.emplace(std::piecewise_construct,
std::make_tuple(promise_id),
std::make_tuple(d->isolate_, error));
break;
case v8::kPromiseHandlerAddedAfterReject:
d->pending_promise_map_.erase(promise_id);
break;
case v8::kPromiseRejectAfterResolved:
break;
case v8::kPromiseResolveAfterResolved:
// Should not warn. See #1272
break;
default:
CHECK(false && "unreachable");
}
}
void Print(const v8::FunctionCallbackInfo<v8::Value>& args) {
CHECK_GE(args.Length(), 1);
CHECK_LE(args.Length(), 3);
auto* isolate = args.GetIsolate();
DenoIsolate* d = FromIsolate(isolate);
auto context = d->context_.Get(d->isolate_);
v8::HandleScope handle_scope(isolate);
v8::String::Utf8Value str(isolate, args[0]);
bool is_err =
args.Length() >= 2 ? args[1]->BooleanValue(context).ToChecked() : false;
bool prints_newline =
args.Length() >= 3 ? args[2]->BooleanValue(context).ToChecked() : true;
FILE* file = is_err ? stderr : stdout;
fwrite(*str, sizeof(**str), str.length(), file);
if (prints_newline) {
fprintf(file, "\n");
}
fflush(file);
}
v8::Local<v8::Uint8Array> ImportBuf(DenoIsolate* d, deno_buf buf) {
if (buf.alloc_ptr == nullptr) {
// If alloc_ptr isn't set, we memcpy.
// This is currently used for flatbuffers created in Rust.
// To avoid excessively allocating new ArrayBuffers, we try to reuse a
// single global ArrayBuffer. The caveat is that users must extract data
// from it before the next tick. We only do this for ArrayBuffers less than
// 1024 bytes.
v8::Local<v8::ArrayBuffer> ab;
void* data;
if (buf.data_len > GLOBAL_IMPORT_BUF_SIZE) {
// Simple case. We allocate a new ArrayBuffer for this.
ab = v8::ArrayBuffer::New(d->isolate_, buf.data_len);
data = ab->GetContents().Data();
} else {
// Fast case. We reuse the global ArrayBuffer.
if (d->global_import_buf_.IsEmpty()) {
// Lazily initialize it.
DCHECK_EQ(d->global_import_buf_ptr_, nullptr);
ab = v8::ArrayBuffer::New(d->isolate_, GLOBAL_IMPORT_BUF_SIZE);
d->global_import_buf_.Reset(d->isolate_, ab);
d->global_import_buf_ptr_ = ab->GetContents().Data();
} else {
DCHECK(d->global_import_buf_ptr_);
ab = d->global_import_buf_.Get(d->isolate_);
}
data = d->global_import_buf_ptr_;
}
memcpy(data, buf.data_ptr, buf.data_len);
auto view = v8::Uint8Array::New(ab, 0, buf.data_len);
return view;
} else {
auto ab = v8::ArrayBuffer::New(
d->isolate_, reinterpret_cast<void*>(buf.alloc_ptr), buf.alloc_len,
v8::ArrayBufferCreationMode::kInternalized);
auto view =
v8::Uint8Array::New(ab, buf.data_ptr - buf.alloc_ptr, buf.data_len);
return view;
}
}
static deno_buf GetContents(v8::Isolate* isolate,
v8::Local<v8::ArrayBufferView> view) {
auto ab = view->Buffer();
auto contents = ab->GetContents();
deno_buf buf;
buf.alloc_ptr = reinterpret_cast<uint8_t*>(contents.Data());
buf.alloc_len = contents.ByteLength();
buf.data_ptr = buf.alloc_ptr + view->ByteOffset();
buf.data_len = view->ByteLength();
return buf;
}
// Sets the recv_ callback.
void Recv(const v8::FunctionCallbackInfo<v8::Value>& args) {
v8::Isolate* isolate = args.GetIsolate();
DenoIsolate* d = FromIsolate(isolate);
DCHECK_EQ(d->isolate_, isolate);
v8::HandleScope handle_scope(isolate);
if (!d->recv_.IsEmpty()) {
isolate->ThrowException(v8_str("libdeno.recv_ already called."));
return;
}
v8::Local<v8::Value> v = args[0];
CHECK(v->IsFunction());
v8::Local<v8::Function> func = v8::Local<v8::Function>::Cast(v);
d->recv_.Reset(isolate, func);
}
void Send(const v8::FunctionCallbackInfo<v8::Value>& args) {
v8::Isolate* isolate = args.GetIsolate();
DenoIsolate* d = FromIsolate(isolate);
DCHECK_EQ(d->isolate_, isolate);
v8::Locker locker(d->isolate_);
v8::HandleScope handle_scope(isolate);
CHECK_EQ(d->current_args_, nullptr); // libdeno.send re-entry forbidden.
int32_t req_id = d->next_req_id_++;
v8::Local<v8::Value> control_v = args[0];
CHECK(control_v->IsArrayBufferView());
deno_buf control =
GetContents(isolate, v8::Local<v8::ArrayBufferView>::Cast(control_v));
deno_buf data = {nullptr, 0u, nullptr, 0u};
v8::Local<v8::Value> data_v;
if (args.Length() == 2) {
if (args[1]->IsArrayBufferView()) {
data_v = args[1];
data = GetContents(isolate, v8::Local<v8::ArrayBufferView>::Cast(data_v));
}
} else {
CHECK_EQ(args.Length(), 1);
}
DCHECK_EQ(d->current_args_, nullptr);
d->current_args_ = &args;
d->recv_cb_(d->user_data_, req_id, control, data);
if (d->current_args_ == nullptr) {
// This indicates that deno_repond() was called already.
} else {
// Asynchronous.
d->current_args_ = nullptr;
// If the data ArrayBuffer was given, we must maintain a strong reference
// to it until deno_respond is called.
if (!data_v.IsEmpty()) {
AddDataRef(d, req_id, data_v);
}
}
}
v8::Local<v8::Object> DenoIsolate::GetBuiltinModules() {
v8::EscapableHandleScope handle_scope(isolate_);
if (builtin_modules_.IsEmpty()) {
builtin_modules_.Reset(isolate_, v8::Object::New(isolate_));
}
return handle_scope.Escape(builtin_modules_.Get(isolate_));
}
void BuiltinModules(v8::Local<v8::Name> property,
const v8::PropertyCallbackInfo<v8::Value>& info) {
v8::Isolate* isolate = info.GetIsolate();
DenoIsolate* d = FromIsolate(isolate);
DCHECK_EQ(d->isolate_, isolate);
v8::Locker locker(d->isolate_);
info.GetReturnValue().Set(d->GetBuiltinModules());
}
void Shared(v8::Local<v8::Name> property,
const v8::PropertyCallbackInfo<v8::Value>& info) {
v8::Isolate* isolate = info.GetIsolate();
DenoIsolate* d = FromIsolate(isolate);
DCHECK_EQ(d->isolate_, isolate);
v8::Locker locker(d->isolate_);
v8::EscapableHandleScope handle_scope(isolate);
if (d->shared_.data_ptr == nullptr) {
return;
}
v8::Local<v8::ArrayBuffer> ab;
if (d->shared_ab_.IsEmpty()) {
// Lazily initialize the persistent external ArrayBuffer.
ab = v8::ArrayBuffer::New(isolate, d->shared_.data_ptr, d->shared_.data_len,
v8::ArrayBufferCreationMode::kExternalized);
d->shared_ab_.Reset(isolate, ab);
}
info.GetReturnValue().Set(ab);
}
v8::ScriptOrigin ModuleOrigin(v8::Local<v8::Value> resource_name,
v8::Isolate* isolate) {
return v8::ScriptOrigin(resource_name, v8::Local<v8::Integer>(),
v8::Local<v8::Integer>(), v8::Local<v8::Boolean>(),
v8::Local<v8::Integer>(), v8::Local<v8::Value>(),
v8::Local<v8::Boolean>(), v8::Local<v8::Boolean>(),
v8::True(isolate));
}
void DenoIsolate::ClearModules() {
for (auto it = module_map_.begin(); it != module_map_.end(); it++) {
it->second.Reset();
}
module_map_.clear();
for (auto it = module_info_map_.begin(); it != module_info_map_.end(); it++) {
it->second.second.Reset();
}
module_info_map_.clear();
}
void DenoIsolate::RegisterModule(const char* filename,
v8::Local<v8::Module> module) {
int id = module->GetIdentityHash();
module_map_.emplace(std::piecewise_construct, std::make_tuple(filename),
std::make_tuple(isolate_, module));
// Identity hash is not necessarily unique
// Therefore, we store a persistent handle along with filenames
// such that we can compare the identites and select the correct module
module_info_map_.emplace(
std::piecewise_construct, std::make_tuple(id),
std::make_tuple(std::piecewise_construct, std::make_tuple(filename),
std::make_tuple(isolate_, module)));
}
v8::MaybeLocal<v8::Module> CompileModule(v8::Local<v8::Context> context,
const char* js_filename,
v8::Local<v8::String> source_text) {
auto* isolate = context->GetIsolate();
v8::Isolate::Scope isolate_scope(isolate);
v8::EscapableHandleScope handle_scope(isolate);
v8::Context::Scope context_scope(context);
auto origin = ModuleOrigin(v8_str(js_filename, true), isolate);
v8::ScriptCompiler::Source source(source_text, origin);
auto maybe_module = v8::ScriptCompiler::CompileModule(isolate, &source);
if (!maybe_module.IsEmpty()) {
auto module = maybe_module.ToLocalChecked();
CHECK_EQ(v8::Module::kUninstantiated, module->GetStatus());
DenoIsolate* d = FromIsolate(isolate);
d->RegisterModule(js_filename, module);
}
return handle_scope.EscapeMaybe(maybe_module);
}
v8::MaybeLocal<v8::Module> ResolveCallback(v8::Local<v8::Context> context,
v8::Local<v8::String> specifier,
v8::Local<v8::Module> referrer) {
auto* isolate = context->GetIsolate();
DenoIsolate* d = FromIsolate(isolate);
v8::Isolate::Scope isolate_scope(isolate);
v8::EscapableHandleScope handle_scope(isolate);
v8::Context::Scope context_scope(context);
v8::String::Utf8Value specifier_utf8val(isolate, specifier);
const char* specifier_cstr = ToCString(specifier_utf8val);
auto builtin_modules = d->GetBuiltinModules();
bool has_builtin = builtin_modules->Has(context, specifier).ToChecked();
if (has_builtin) {
auto val = builtin_modules->Get(context, specifier).ToLocalChecked();
CHECK(val->IsObject());
auto obj = val->ToObject(isolate);
// In order to export obj as a module, we must iterate over its properties
// and export them each individually.
// TODO Find a better way to do this.
std::string src = "let globalEval = eval\nlet g = globalEval('this');\n";
auto names = obj->GetOwnPropertyNames(context).ToLocalChecked();
for (uint32_t i = 0; i < names->Length(); i++) {
auto name = names->Get(context, i).ToLocalChecked();
v8::String::Utf8Value name_utf8val(isolate, name);
const char* name_cstr = ToCString(name_utf8val);
// TODO use format string.
src.append("export const ");
src.append(name_cstr);
src.append(" = g.libdeno.builtinModules.");
src.append(specifier_cstr);
src.append(".");
src.append(name_cstr);
src.append(";\n");
}
auto export_str = v8_str(src.c_str(), true);
auto module =
CompileModule(context, specifier_cstr, export_str).ToLocalChecked();
auto maybe_ok = module->InstantiateModule(context, ResolveCallback);
CHECK(!maybe_ok.IsNothing());
return handle_scope.Escape(module);
}
int ref_id = referrer->GetIdentityHash();
auto range = d->module_info_map_.equal_range(ref_id);
std::string referrer_filename;
for (auto it = range.first; it != range.second; ++it) {
// it->second: <string, v8::Persistent<v8::Module>>
// operator== compares value identities stored in the handles
// https://denolib.github.io/v8-docs/include_2v8_8h_source.html#l00487
// Due to possibilities of identity hash collision, this is necessary
if (it->second.second == referrer) {
referrer_filename = it->second.first;
break;
}
}
CHECK(referrer_filename.size() != 0);
v8::String::Utf8Value specifier_(isolate, specifier);
const char* specifier_c = ToCString(specifier_);
CHECK_NE(d->resolve_cb_, nullptr);
d->resolve_cb_(d->user_data_, specifier_c, referrer_filename.c_str());
if (d->resolve_module_.IsEmpty()) {
// Resolution Error.
std::stringstream err_ss;
err_ss << "NotFound: Cannot resolve module \"" << specifier_c
<< "\" from \"" << referrer_filename << "\"";
auto resolve_error = v8_str(err_ss.str().c_str());
isolate->ThrowException(resolve_error);
return v8::MaybeLocal<v8::Module>();
} else {
auto module = d->resolve_module_.Get(isolate);
d->resolve_module_.Reset();
return handle_scope.Escape(module);
}
}
void DenoIsolate::ResolveOk(const char* filename, const char* source) {
CHECK(resolve_module_.IsEmpty());
auto count = module_map_.count(filename);
if (count == 1) {
auto module = module_map_[filename].Get(isolate_);
resolve_module_.Reset(isolate_, module);
} else {
CHECK_EQ(count, 0);
v8::HandleScope handle_scope(isolate_);
auto context = context_.Get(isolate_);
v8::TryCatch try_catch(isolate_);
auto maybe_module = CompileModule(context, filename, v8_str(source, true));
if (maybe_module.IsEmpty()) {
DCHECK(try_catch.HasCaught());
HandleException(context, try_catch.Exception());
} else {
auto module = maybe_module.ToLocalChecked();
resolve_module_.Reset(isolate_, module);
}
}
}
bool ExecuteMod(v8::Local<v8::Context> context, const char* js_filename,
const char* js_source, bool resolve_only) {
auto* isolate = context->GetIsolate();
v8::Isolate::Scope isolate_scope(isolate);
v8::HandleScope handle_scope(isolate);
v8::Context::Scope context_scope(context);
auto source = v8_str(js_source, true);
v8::TryCatch try_catch(isolate);
auto maybe_module = CompileModule(context, js_filename, source);
if (maybe_module.IsEmpty()) {
DCHECK(try_catch.HasCaught());
HandleException(context, try_catch.Exception());
return false;
}
DCHECK(!try_catch.HasCaught());
auto module = maybe_module.ToLocalChecked();
auto maybe_ok = module->InstantiateModule(context, ResolveCallback);
if (maybe_ok.IsNothing()) {
DCHECK(try_catch.HasCaught());
HandleException(context, try_catch.Exception());
return false;
}
CHECK_EQ(v8::Module::kInstantiated, module->GetStatus());
if (resolve_only) {
return true;
}
auto result = module->Evaluate(context);
if (result.IsEmpty()) {
DCHECK(try_catch.HasCaught());
CHECK_EQ(v8::Module::kErrored, module->GetStatus());
HandleException(context, module->GetException());
return false;
}
return true;
}
bool Execute(v8::Local<v8::Context> context, const char* js_filename,
const char* js_source) {
auto* isolate = context->GetIsolate();
v8::Isolate::Scope isolate_scope(isolate);
v8::HandleScope handle_scope(isolate);
v8::Context::Scope context_scope(context);
auto source = v8_str(js_source, true);
auto name = v8_str(js_filename, true);
v8::TryCatch try_catch(isolate);
v8::ScriptOrigin origin(name);
auto script = v8::Script::Compile(context, source, &origin);
if (script.IsEmpty()) {
DCHECK(try_catch.HasCaught());
HandleException(context, try_catch.Exception());
return false;
}
auto result = script.ToLocalChecked()->Run(context);
if (result.IsEmpty()) {
DCHECK(try_catch.HasCaught());
HandleException(context, try_catch.Exception());
return false;
}
return true;
}
void InitializeContext(v8::Isolate* isolate, v8::Local<v8::Context> context) {
v8::HandleScope handle_scope(isolate);
v8::Context::Scope context_scope(context);
auto global = context->Global();
auto deno_val = v8::Object::New(isolate);
CHECK(global->Set(context, deno::v8_str("libdeno"), deno_val).FromJust());
auto print_tmpl = v8::FunctionTemplate::New(isolate, Print);
auto print_val = print_tmpl->GetFunction(context).ToLocalChecked();
CHECK(deno_val->Set(context, deno::v8_str("print"), print_val).FromJust());
auto recv_tmpl = v8::FunctionTemplate::New(isolate, Recv);
auto recv_val = recv_tmpl->GetFunction(context).ToLocalChecked();
CHECK(deno_val->Set(context, deno::v8_str("recv"), recv_val).FromJust());
auto send_tmpl = v8::FunctionTemplate::New(isolate, Send);
auto send_val = send_tmpl->GetFunction(context).ToLocalChecked();
CHECK(deno_val->Set(context, deno::v8_str("send"), send_val).FromJust());
CHECK(deno_val->SetAccessor(context, deno::v8_str("shared"), Shared)
.FromJust());
CHECK(
deno_val
->SetAccessor(context, deno::v8_str("builtinModules"), BuiltinModules)
.FromJust());
}
void DenoIsolate::AddIsolate(v8::Isolate* isolate) {
isolate_ = isolate;
// Leaving this code here because it will probably be useful later on, but
// disabling it now as I haven't got tests for the desired behavior.
// d->isolate->SetAbortOnUncaughtExceptionCallback(AbortOnUncaughtExceptionCallback);
// d->isolate->AddMessageListener(MessageCallback2);
// d->isolate->SetFatalErrorHandler(FatalErrorCallback2);
isolate_->SetCaptureStackTraceForUncaughtExceptions(
true, 10, v8::StackTrace::kDetailed);
isolate_->SetPromiseRejectCallback(deno::PromiseRejectCallback);
isolate_->SetData(0, this);
}
} // namespace deno
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