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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the V4VM module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "private/qv4object_p.h"
#include "private/qv4runtime_p.h"
#include "private/qv4functionobject_p.h"
#include "private/qv4errorobject_p.h"
#include "private/qv4globalobject_p.h"
#include "private/qv4codegen_p.h"
#include "private/qv4objectproto_p.h"
#include "private/qv4mm_p.h"
#include "private/qv4context_p.h"
#include "private/qv4script_p.h"
#include "private/qv4string_p.h"
#include "private/qv4module_p.h"
#include "private/qqmlbuiltinfunctions_p.h"
#include <QtCore/QCoreApplication>
#include <QtCore/QFile>
#include <QtCore/QFileInfo>
#include <QtCore/QDateTime>
#include <private/qqmljsengine_p.h>
#include <private/qqmljslexer_p.h>
#include <private/qqmljsparser_p.h>
#include <private/qqmljsast_p.h>
#include <iostream>
static void showException(QV4::ExecutionContext *ctx, const QV4::Value &exception, const QV4::StackTrace &trace)
{
QV4::Scope scope(ctx);
QV4::ScopedValue ex(scope, exception);
QV4::ErrorObject *e = ex->as<QV4::ErrorObject>();
if (!e) {
std::cerr << "Uncaught exception: " << qPrintable(ex->toQString()) << std::endl;
} else {
std::cerr << "Uncaught exception: " << qPrintable(e->toQStringNoThrow()) << std::endl;
}
for (const QV4::StackFrame &frame : trace) {
std::cerr << " at " << qPrintable(frame.function) << " (" << qPrintable(frame.source);
if (frame.line >= 0)
std::cerr << ':' << frame.line;
std::cerr << ')' << std::endl;
}
}
int main(int argc, char *argv[])
{
QCoreApplication app(argc, argv);
QCoreApplication::setApplicationVersion(QLatin1String(QT_VERSION_STR));
QStringList args = app.arguments();
args.removeFirst();
bool runAsQml = false;
bool runAsModule = false;
bool cache = false;
if (!args.isEmpty()) {
if (args.constFirst() == QLatin1String("--jit")) {
qputenv("QV4_JIT_CALL_THRESHOLD", QByteArray("0"));
args.removeFirst();
}
if (args.constFirst() == QLatin1String("--interpret")) {
qputenv("QV4_FORCE_INTERPRETER", QByteArray("1"));
args.removeFirst();
}
if (args.constFirst() == QLatin1String("--qml")) {
runAsQml = true;
args.removeFirst();
}
if (args.constFirst() == QLatin1String("--module")) {
runAsModule = true;
args.removeFirst();
}
if (args.constFirst() == QLatin1String("--cache")) {
cache = true;
args.removeFirst();
}
if (args.constFirst() == QLatin1String("--help")) {
std::cerr << "Usage: qmljs [|--jit|--interpret|--qml] file..." << std::endl;
return EXIT_SUCCESS;
}
}
QV4::ExecutionEngine vm;
QV4::Scope scope(&vm);
QV4::ScopedContext ctx(scope, vm.rootContext());
QV4::GlobalExtensions::init(vm.globalObject, QJSEngine::ConsoleExtension | QJSEngine::GarbageCollectionExtension);
for (const QString &fn : qAsConst(args)) {
QV4::ScopedValue result(scope);
if (runAsModule) {
auto moduleUnit = vm.loadModule(QUrl::fromLocalFile(QFileInfo(fn).absoluteFilePath()));
if (moduleUnit) {
if (moduleUnit->instantiate(&vm))
moduleUnit->evaluate();
} else {
vm.throwError(QStringLiteral("Could not load module file"));
}
} else {
QFile file(fn);
if (!file.open(QFile::ReadOnly)) {
std::cerr << "Error: cannot open file " << fn.toUtf8().constData() << std::endl;
return EXIT_FAILURE;
}
QScopedPointer<QV4::Script> script;
if (cache && QFile::exists(fn + QLatin1Char('c'))) {
QQmlRefPointer<QV4::ExecutableCompilationUnit> unit
= QV4::ExecutableCompilationUnit::create();
QString error;
if (unit->loadFromDisk(QUrl::fromLocalFile(fn), QFileInfo(fn).lastModified(), &error)) {
script.reset(new QV4::Script(&vm, nullptr, unit));
} else {
std::cout << "Error loading" << qPrintable(fn) << "from disk cache:" << qPrintable(error) << std::endl;
}
}
if (!script) {
QByteArray ba = file.readAll();
const QString code = QString::fromUtf8(ba.constData(), ba.length());
file.close();
script.reset(new QV4::Script(ctx, QV4::Compiler::ContextType::Global, code, fn));
script->parseAsBinding = runAsQml;
script->parse();
}
if (!scope.engine->hasException) {
const auto unit = script->compilationUnit;
if (cache && unit && !(unit->unitData()->flags & QV4::CompiledData::Unit::StaticData)) {
if (unit->unitData()->sourceTimeStamp == 0) {
const_cast<QV4::CompiledData::Unit*>(unit->unitData())->sourceTimeStamp = QFileInfo(fn).lastModified().toMSecsSinceEpoch();
}
QString saveError;
if (!unit->saveToDisk(QUrl::fromLocalFile(fn), &saveError)) {
std::cout << "Error saving JS cache file: " << qPrintable(saveError) << std::endl;
}
}
// QElapsedTimer t; t.start();
result = script->run();
// std::cout << t.elapsed() << " ms. elapsed" << std::endl;
}
}
if (scope.engine->hasException) {
QV4::StackTrace trace;
QV4::ScopedValue ex(scope, scope.engine->catchException(&trace));
showException(ctx, ex, trace);
return EXIT_FAILURE;
}
if (!result->isUndefined()) {
if (! qgetenv("SHOW_EXIT_VALUE").isEmpty())
std::cout << "exit value: " << qPrintable(result->toQString()) << std::endl;
}
}
return EXIT_SUCCESS;
}
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