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/****************************************************************************
**
** Copyright (C) 2016 Klaralvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Sergio Martins <sergio.martins@kdab.com>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins 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 "findunqualified.h"
#include <QtQml/private/qqmljslexer_p.h>
#include <QtQml/private/qqmljsparser_p.h>
#include <QtQml/private/qqmljsengine_p.h>
#include <QtQml/private/qqmljsastvisitor_p.h>
#include <QtQml/private/qqmljsast_p.h>
#include <QtCore/qdebug.h>
#include <QtCore/qfile.h>
#include <QtCore/qfileinfo.h>
#include <QtCore/qcoreapplication.h>
#if QT_CONFIG(commandlineparser)
#include <QtCore/qcommandlineparser.h>
#endif
#ifndef QT_BOOTSTRAPPED
#include <QtCore/qlibraryinfo.h>
#endif
static bool lint_file(const QString &filename, const bool silent, const bool warnUnqualied,
const QStringList &qmltypeDirs, const QStringList &qmltypeFiles)
{
QFile file(filename);
if (!file.open(QFile::ReadOnly)) {
if (!silent)
qWarning() << "Failed to open file" << filename << file.error();
return false;
}
QString code = QString::fromUtf8(file.readAll());
file.close();
QQmlJS::Engine engine;
QQmlJS::Lexer lexer(&engine);
QFileInfo info(filename);
const QString lowerSuffix = info.suffix().toLower();
const bool isESModule = lowerSuffix == QLatin1String("mjs");
const bool isJavaScript = isESModule || lowerSuffix == QLatin1String("js");
lexer.setCode(code, /*lineno = */ 1, /*qmlMode=*/ !isJavaScript);
QQmlJS::Parser parser(&engine);
bool success = isJavaScript ? (isESModule ? parser.parseModule() : parser.parseProgram())
: parser.parse();
if (!success && !silent) {
const auto diagnosticMessages = parser.diagnosticMessages();
for (const QQmlJS::DiagnosticMessage &m : diagnosticMessages) {
qWarning().noquote() << QString::fromLatin1("%1:%2 : %3")
.arg(filename).arg(m.loc.startLine).arg(m.message);
}
}
if (success && !isJavaScript && warnUnqualied) {
auto root = parser.rootNode();
FindUnqualifiedIDVisitor v { qmltypeDirs, qmltypeFiles, code, filename, silent };
root->accept(&v);
success = v.check();
}
return success;
}
int main(int argv, char *argc[])
{
QCoreApplication app(argv, argc);
QCoreApplication::setApplicationName("qmllint");
QCoreApplication::setApplicationVersion("1.0");
#if QT_CONFIG(commandlineparser)
QCommandLineParser parser;
parser.setApplicationDescription(QLatin1String("QML syntax verifier"));
parser.addHelpOption();
parser.addVersionOption();
QCommandLineOption silentOption(QStringList() << "s" << "silent",
QLatin1String("Don't output syntax errors"));
parser.addOption(silentOption);
QCommandLineOption checkUnqualified(QStringList() << "U" << "check-unqualified",
QLatin1String("Warn about unqualified identifiers"));
parser.addOption(checkUnqualified);
QCommandLineOption qmltypesDirsOption(
QStringList() << "I"
<< "qmldirs",
QLatin1String("Look for qmltypes files in specified directory"),
QLatin1String("directory"));
parser.addOption(qmltypesDirsOption);
QCommandLineOption qmltypesFilesOption(
QStringList() << "i"
<< "qmltypes",
QLatin1String("Include the specified qmltypes files"),
QLatin1String("qmltypes"));
parser.addOption(qmltypesFilesOption);
parser.addPositionalArgument(QLatin1String("files"),
QLatin1String("list of qml or js files to verify"));
parser.process(app);
const auto positionalArguments = parser.positionalArguments();
if (positionalArguments.isEmpty()) {
parser.showHelp(-1);
}
bool silent = parser.isSet(silentOption);
bool warnUnqualified = parser.isSet(checkUnqualified);
// use host qml import path as a sane default if nothing else has been provided
QStringList qmltypeDirs = parser.isSet(qmltypesDirsOption)
? parser.values(qmltypesDirsOption)
# ifndef QT_BOOTSTRAPPED
: QStringList { QLibraryInfo::location(QLibraryInfo::Qml2ImportsPath) };
# else
: QStringList {};
# endif
if (!parser.isSet(qmltypesFilesOption))
qmltypeDirs << ".";
QStringList qmltypeFiles = parser.isSet(qmltypesFilesOption) ? parser.values(qmltypesFilesOption) : QStringList {};
#else
bool silent = false;
bool warnUnqualified = false;
QStringList qmltypeDirs {};
QStringList qmltypeFiles {};
#endif
bool success = true;
#if QT_CONFIG(commandlineparser)
for (const QString &filename : positionalArguments)
#else
const auto arguments = app.arguments();
for (const QString &filename : arguments)
#endif
success &= lint_file(filename, silent, warnUnqualified, qmltypeDirs, qmltypeFiles);
return success ? 0 : -1;
}
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