242 lines
7.9 KiB
C++
242 lines
7.9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the V4VM module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "private/qv4object_p.h"
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#include "private/qv4runtime_p.h"
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#include "private/qv4functionobject_p.h"
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#include "private/qv4errorobject_p.h"
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#include "private/qv4globalobject_p.h"
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#include "private/qv4codegen_p.h"
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#include "private/qv4isel_moth_p.h"
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#include "private/qv4vme_moth_p.h"
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#include "private/qv4objectproto_p.h"
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#include "private/qv4isel_p.h"
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#include "private/qv4mm_p.h"
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#include "private/qv4context_p.h"
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#include "private/qv4script_p.h"
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#include "private/qv4exception_p.h"
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#ifdef V4_ENABLE_JIT
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# include "private/qv4isel_masm_p.h"
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#endif // V4_ENABLE_JIT
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#include <QtCore>
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#include <private/qqmljsengine_p.h>
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#include <private/qqmljslexer_p.h>
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#include <private/qqmljsparser_p.h>
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#include <private/qqmljsast_p.h>
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#include <iostream>
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namespace builtins {
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using namespace QV4;
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struct Print: FunctionObject
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{
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Print(ExecutionContext *scope): FunctionObject(scope) {
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vtbl = &static_vtbl;
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name = scope->engine->newString("print");
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}
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static Value call(Managed *, const Value &, Value *args, int argc)
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{
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for (int i = 0; i < argc; ++i) {
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QString s = args[i].toQString();
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if (i)
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std::cout << ' ';
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std::cout << qPrintable(s);
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}
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std::cout << std::endl;
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return Value::undefinedValue();
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}
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static const ManagedVTable static_vtbl;
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};
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DEFINE_MANAGED_VTABLE(Print);
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struct GC: public FunctionObject
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{
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GC(ExecutionContext* scope)
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: FunctionObject(scope)
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{
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vtbl = &static_vtbl;
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name = scope->engine->newString("gc");
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}
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static Value call(Managed *m, const Value &, Value *, int)
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{
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m->engine()->memoryManager->runGC();
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return Value::undefinedValue();
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}
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static const ManagedVTable static_vtbl;
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};
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DEFINE_MANAGED_VTABLE(GC);
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} // builtins
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static void showException(QV4::ExecutionContext *ctx, const QV4::Exception &exception)
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{
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QV4::ErrorObject *e = exception.value().asErrorObject();
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if (!e) {
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std::cerr << "Uncaught exception: " << qPrintable(exception.value().toString(ctx)->toQString()) << std::endl;
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} else {
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if (QV4::SyntaxErrorObject *err = e->asSyntaxError()) {
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QV4::DiagnosticMessage *msg = err->message();
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if (!msg) {
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std::cerr << "Uncaught exception: Syntax error" << std::endl;
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return;
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}
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for (; msg; msg = msg->next) {
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std::cerr << qPrintable(msg->buildFullMessage(ctx)->toQString()) << std::endl;
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}
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} else {
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std::cerr << "Uncaught exception: " << qPrintable(e->get(ctx->engine->newString(QStringLiteral("message")), 0).toString(ctx)->toQString()) << std::endl;
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}
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}
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foreach (const QV4::ExecutionEngine::StackFrame &frame, exception.stackTrace()) {
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std::cerr << " at " << qPrintable(frame.function) << " (" << qPrintable(frame.source);
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if (frame.line >= 0)
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std::cerr << ":" << frame.line;
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std::cerr << ")" << std::endl;
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}
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}
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int main(int argc, char *argv[])
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{
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QCoreApplication app(argc, argv);
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QStringList args = app.arguments();
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args.removeFirst();
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enum {
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use_masm,
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use_moth
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} mode;
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#ifdef V4_ENABLE_JIT
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mode = use_masm;
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#else
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mode = use_moth;
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#endif
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bool runAsQml = false;
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if (!args.isEmpty()) {
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if (args.first() == QLatin1String("--jit")) {
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mode = use_masm;
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args.removeFirst();
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}
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if (args.first() == QLatin1String("--interpret")) {
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mode = use_moth;
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args.removeFirst();
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}
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if (args.first() == QLatin1String("--qml")) {
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runAsQml = true;
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args.removeFirst();
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}
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if (args.first() == QLatin1String("--help")) {
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std::cerr << "Usage: v4 [|--debug|-d] [|--jit|--interpret|--compile|--aot|--llvm-jit] file..." << std::endl;
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return EXIT_SUCCESS;
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}
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}
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switch (mode) {
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case use_masm:
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case use_moth: {
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QQmlJS::EvalISelFactory* iSelFactory = 0;
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if (mode == use_moth) {
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iSelFactory = new QQmlJS::Moth::ISelFactory;
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#ifdef V4_ENABLE_JIT
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} else {
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iSelFactory = new QQmlJS::MASM::ISelFactory;
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#endif // V4_ENABLE_JIT
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}
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QV4::ExecutionEngine vm(iSelFactory);
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QV4::ExecutionContext *ctx = vm.rootContext;
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QV4::Object *globalObject = vm.globalObject;
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QV4::Object *print = new (ctx->engine->memoryManager) builtins::Print(ctx);
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print->prototype = ctx->engine->objectPrototype;
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globalObject->put(vm.newIdentifier(QStringLiteral("print")), QV4::Value::fromObject(print));
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QV4::Object *gc = new (ctx->engine->memoryManager) builtins::GC(ctx);
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gc->prototype = ctx->engine->objectPrototype;
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globalObject->put(vm.newIdentifier(QStringLiteral("gc")), QV4::Value::fromObject(gc));
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foreach (const QString &fn, args) {
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QFile file(fn);
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if (file.open(QFile::ReadOnly)) {
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const QString code = QString::fromUtf8(file.readAll());
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file.close();
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try {
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QV4::Script script(ctx, code, fn);
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script.parseAsBinding = runAsQml;
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script.parse();
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QV4::Value result = script.run();
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if (!result.isUndefined()) {
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if (! qgetenv("SHOW_EXIT_VALUE").isEmpty())
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std::cout << "exit value: " << qPrintable(result.toString(ctx)->toQString()) << std::endl;
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}
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} catch (QV4::Exception& ex) {
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ex.accept(ctx);
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showException(ctx, ex);
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return EXIT_FAILURE;
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}
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} else {
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std::cerr << "Error: cannot open file " << fn.toUtf8().constData() << std::endl;
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return EXIT_FAILURE;
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}
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}
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vm.memoryManager->dumpStats();
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} return EXIT_SUCCESS;
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} // switch (mode)
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}
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