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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the V4VM module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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/qv4isel_moth_p.h"
#include "private/qv4vme_moth_p.h"
#include "private/qv4objectproto_p.h"
#include "private/qv4isel_p.h"
#include "private/qv4mm_p.h"
#include "private/qv4context_p.h"
#include "private/qv4script_p.h"
#include "private/qv4string_p.h"
#ifdef V4_ENABLE_JIT
# include "private/qv4isel_masm_p.h"
#endif // V4_ENABLE_JIT
#include <QtCore/QCoreApplication>
#include <QtCore/QFile>
#include <private/qqmljsengine_p.h>
#include <private/qqmljslexer_p.h>
#include <private/qqmljsparser_p.h>
#include <private/qqmljsast_p.h>
#include <iostream>
namespace builtins {
using namespace QV4;
struct Print: FunctionObject
{
struct Data : Heap::FunctionObject {
Data(ExecutionContext *scope)
: Heap::FunctionObject(scope, QStringLiteral("print"))
{
}
};
V4_OBJECT(FunctionObject)
static ReturnedValue call(const Managed *, CallData *callData)
{
for (int i = 0; i < callData->argc; ++i) {
QString s = callData->args[i].toQStringNoThrow();
if (i)
std::cout << ' ';
std::cout << qPrintable(s);
}
std::cout << std::endl;
return Encode::undefined();
}
};
DEFINE_OBJECT_VTABLE(Print);
struct GC: public FunctionObject
{
struct Data : Heap::FunctionObject {
Data(ExecutionContext *scope)
: Heap::FunctionObject(scope, QStringLiteral("gc"))
{
}
};
V4_OBJECT(FunctionObject)
static ReturnedValue call(const Managed *m, CallData *)
{
static_cast<const GC *>(m)->engine()->memoryManager->runGC();
return Encode::undefined();
}
};
DEFINE_OBJECT_VTABLE(GC);
} // builtins
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 {
QV4::ScopedString m(scope, scope.engine->newString(QStringLiteral("message")));
QV4::ScopedValue message(scope, e->get(m));
std::cerr << "Uncaught exception: " << qPrintable(message->toQStringNoThrow()) << std::endl;
}
foreach (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);
QStringList args = app.arguments();
args.removeFirst();
enum {
use_masm,
use_moth
} mode;
#ifdef V4_ENABLE_JIT
mode = use_masm;
#else
mode = use_moth;
#endif
bool runAsQml = false;
if (!args.isEmpty()) {
if (args.first() == QLatin1String("--jit")) {
mode = use_masm;
args.removeFirst();
}
if (args.first() == QLatin1String("--interpret")) {
mode = use_moth;
args.removeFirst();
}
if (args.first() == QLatin1String("--qml")) {
runAsQml = true;
args.removeFirst();
}
if (args.first() == QLatin1String("--help")) {
std::cerr << "Usage: qmljs [|--jit|--interpret|--qml] file..." << std::endl;
return EXIT_SUCCESS;
}
}
switch (mode) {
case use_masm:
case use_moth: {
QV4::EvalISelFactory* iSelFactory = 0;
if (mode == use_moth) {
iSelFactory = new QV4::Moth::ISelFactory;
#ifdef V4_ENABLE_JIT
} else {
iSelFactory = new QV4::JIT::ISelFactory;
#endif // V4_ENABLE_JIT
}
QV4::ExecutionEngine vm(iSelFactory);
QV4::Scope scope(&vm);
QV4::ScopedContext ctx(scope, vm.rootContext());
QV4::ScopedObject print(scope, vm.memoryManager->allocObject<builtins::Print>(vm.rootContext()));
vm.globalObject->put(QV4::ScopedString(scope, vm.newIdentifier(QStringLiteral("print"))).getPointer(), print);
QV4::ScopedObject gc(scope, vm.memoryManager->allocObject<builtins::GC>(ctx));
vm.globalObject->put(QV4::ScopedString(scope, vm.newIdentifier(QStringLiteral("gc"))).getPointer(), gc);
foreach (const QString &fn, args) {
QFile file(fn);
if (file.open(QFile::ReadOnly)) {
const QString code = QString::fromUtf8(file.readAll());
file.close();
QV4::ScopedValue result(scope);
QV4::Script script(ctx, code, fn);
script.parseAsBinding = runAsQml;
script.parse();
if (!scope.engine->hasException)
result = script.run();
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;
}
} else {
std::cerr << "Error: cannot open file " << fn.toUtf8().constData() << std::endl;
return EXIT_FAILURE;
}
}
vm.memoryManager->dumpStats();
} return EXIT_SUCCESS;
} // switch (mode)
}
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