////  ScriptProgramV8Wrapper.cpp//  libraries/script-engine/src/v8////  Created by Heather Anderson on 8/24/21.//  Modified for V8 by dr Karol Suprynowicz on 2022/10/08//  Copyright 2021 Vircadia contributors.//  Copyright 2022-2023 Overte e.V.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html//  SPDX-License-Identifier: Apache-2.0// #include "ScriptProgramV8Wrapper.h" #include "ScriptEngineV8.h"#include "ScriptValueV8Wrapper.h"#include "ScriptEngineLoggingV8.h" ScriptProgramV8Wrapper* ScriptProgramV8Wrapper::unwrap(ScriptProgramPointer val) {    if (!val) {        return nullptr;    }     return dynamic_cast<ScriptProgramV8Wrapper*>(val.get());} ScriptSyntaxCheckResultPointer ScriptProgramV8Wrapper::checkSyntax() {    if (!_isCompiled) {        compile();    }    return std::make_shared<ScriptSyntaxCheckResultV8Wrapper>(_compileResult);} bool ScriptProgramV8Wrapper::compile() {    if (_isCompiled) {        return true;    }    auto isolate = _engine->getIsolate();    v8::Locker locker(isolate);    v8::Isolate::Scope isolateScope(isolate);    v8::HandleScope handleScope(isolate);    auto context = _engine->getContext();    v8::Context::Scope contextScope(context);    int errorColumnNumber = 0;    int errorLineNumber = 0;    QString errorMessage = "";    QString errorBacktrace = "";    v8::TryCatch tryCatch(isolate);    v8::ScriptOrigin scriptOrigin(isolate, v8::String::NewFromUtf8(isolate, _url.toStdString().c_str()).ToLocalChecked());    v8::Local<v8::Script> script;    if (v8::Script::Compile(context, v8::String::NewFromUtf8(isolate, _source.toStdString().c_str()).ToLocalChecked(), &scriptOrigin).ToLocal(&script)) {        qCDebug(scriptengine_v8) << "Script compilation successful: " << _url;        _compileResult = ScriptSyntaxCheckResultV8Wrapper(ScriptSyntaxCheckResult::Valid);        _value = V8ScriptProgram(_engine, script);        _isCompiled = true;        return true;    }    qCDebug(scriptengine_v8) << "Script compilation failed: " << _url;    v8::String::Utf8Value utf8Value(isolate, tryCatch.Exception());    errorMessage = QString(*utf8Value);    v8::Local<v8::Message> exceptionMessage = tryCatch.Message();    if (!exceptionMessage.IsEmpty()) {        errorLineNumber = exceptionMessage->GetLineNumber(context).FromJust();        errorColumnNumber = exceptionMessage->GetStartColumn(context).FromJust();        v8::Local<v8::Value> backtraceV8String;        if (tryCatch.StackTrace(context).ToLocal(&backtraceV8String)) {            if (backtraceV8String->IsString()) {                if (v8::Local<v8::String>::Cast(backtraceV8String)->Length() > 0) {                    v8::String::Utf8Value backtraceUtf8Value(isolate, backtraceV8String);                    errorBacktrace = QString(*backtraceUtf8Value).replace("\\n","\n");                }            }        }    }    _compileResult = ScriptSyntaxCheckResultV8Wrapper(ScriptSyntaxCheckResult::Error, errorColumnNumber, errorLineNumber, errorMessage, errorBacktrace);    return false;}