electron/shell/common/node_util.cc

48 lines
1.6 KiB
C++

// Copyright (c) 2019 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/common/node_util.h"
#include "base/logging.h"
#include "gin/converter.h"
#include "shell/common/node_includes.h"
namespace electron::util {
v8::MaybeLocal<v8::Value> CompileAndCall(
v8::Local<v8::Context> context,
const char* id,
std::vector<v8::Local<v8::String>>* parameters,
std::vector<v8::Local<v8::Value>>* arguments) {
v8::Isolate* isolate = context->GetIsolate();
v8::TryCatch try_catch(isolate);
thread_local node::builtins::BuiltinLoader builtin_loader;
v8::MaybeLocal<v8::Function> compiled = builtin_loader.LookupAndCompile(
context, id, parameters, node::Realm::GetCurrent(context));
if (compiled.IsEmpty())
return v8::MaybeLocal<v8::Value>();
v8::Local<v8::Function> fn = compiled.ToLocalChecked().As<v8::Function>();
v8::MaybeLocal<v8::Value> ret = fn->Call(
context, v8::Null(isolate), arguments->size(), arguments->data());
// This will only be caught when something has gone terrible wrong as all
// electron scripts are wrapped in a try {} catch {} by webpack
if (try_catch.HasCaught()) {
std::string msg = "no error message";
if (!try_catch.Message().IsEmpty()) {
gin::ConvertFromV8(isolate, try_catch.Message()->Get(), &msg);
} else if (try_catch.HasTerminated()) {
msg = "script execution has been terminated";
}
LOG(ERROR) << "Failed to CompileAndCall electron script (" << id
<< "): " << msg;
}
return ret;
}
} // namespace electron::util