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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the tools applications 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 "qmltccommandlineutils.h"
#include "qmltccompiler.h"
#include "qmltcvisitor.h"
#include <QtQml/private/qqmlirbuilder_p.h>
#include <private/qqmljscompiler_p.h>
#include <QtCore/qcoreapplication.h>
#include <QtCore/qurl.h>
#include <QtCore/qhashfunctions.h>
#include <QtCore/qfileinfo.h>
#include <QtCore/qlibraryinfo.h>
#if QT_CONFIG(commandlineparser)
# include <QtCore/qcommandlineparser.h>
#endif
#include <cstdio>
void setupLogger(QQmlJSLogger &logger) // prepare logger to work with compiler
{
// TODO: support object bindings and change to setCategoryLevel(QtInfoMsg)
logger.setCategoryError(Log_Compiler, true);
}
int main(int argc, char **argv)
{
// Produce reliably the same output for the same input by disabling QHash's
// random seeding.
qSetGlobalQHashSeed(0);
QCoreApplication app(argc, argv);
QCoreApplication::setApplicationName(u"qmltc"_qs);
QCoreApplication::setApplicationVersion(QStringLiteral(QT_VERSION_STR));
#if QT_CONFIG(commandlineparser)
// command-line parsing:
QCommandLineParser parser;
parser.addHelpOption();
parser.addVersionOption();
QCommandLineOption importPathOption {
u"I"_qs, QCoreApplication::translate("main", "Look for QML modules in specified directory"),
QCoreApplication::translate("main", "import directory")
};
parser.addOption(importPathOption);
QCommandLineOption qmltypesOption {
u"i"_qs, QCoreApplication::translate("main", "Include extra qmltypes"),
QCoreApplication::translate("main", "qmltypes file")
};
parser.addOption(qmltypesOption);
QCommandLineOption outputCppOption {
u"impl"_qs, QCoreApplication::translate("main", "Generated C++ source file path"),
QCoreApplication::translate("main", "cpp path")
};
parser.addOption(outputCppOption);
QCommandLineOption outputHOption {
u"header"_qs, QCoreApplication::translate("main", "Generated C++ header file path"),
QCoreApplication::translate("main", "h path")
};
parser.addOption(outputHOption);
QCommandLineOption resourcePathOption {
u"resource-path"_qs,
QCoreApplication::translate(
"main", "Qt resource file path corresponding to the file being compiled"),
QCoreApplication::translate("main", "resource path")
};
parser.addOption(resourcePathOption);
QCommandLineOption namespaceOption {
u"namespace"_qs, QCoreApplication::translate("main", "Namespace of the generated C++ code"),
QCoreApplication::translate("main", "namespace")
};
parser.addOption(namespaceOption);
parser.process(app);
const QStringList sources = parser.positionalArguments();
if (sources.size() != 1) {
if (sources.isEmpty()) {
parser.showHelp();
} else {
fprintf(stderr, "%s\n",
qPrintable(u"Too many input files specified: '"_qs + sources.join(u"' '"_qs)
+ u'\''));
}
return EXIT_FAILURE;
}
const QString inputFile = sources.first();
QString url = parseUrlArgument(inputFile);
if (url.isNull())
return EXIT_FAILURE;
if (!url.endsWith(u".qml")) {
fprintf(stderr, "Non-QML file passed as input\n");
return EXIT_FAILURE;
}
QString sourceCode = loadUrl(url);
if (sourceCode.isEmpty())
return EXIT_FAILURE;
QString implicitImportDirectory = getImplicitImportDirectory(url);
if (implicitImportDirectory.isEmpty())
return EXIT_FAILURE;
QStringList importPaths = parser.values(importPathOption);
importPaths.append(QLibraryInfo::path(QLibraryInfo::QmlImportsPath));
importPaths.append(QFileInfo(url).absolutePath());
QStringList qmltypesFiles = parser.values(qmltypesOption);
QString outputCppFile;
if (!parser.isSet(outputCppOption)) {
outputCppFile = url.first(url.size() - 3) + u"cpp"_qs;
} else {
outputCppFile = parser.value(outputCppOption);
}
QString outputHFile;
if (!parser.isSet(outputHOption)) {
outputHFile = url.first(url.size() - 3) + u"h"_qs;
} else {
outputHFile = parser.value(outputHOption);
}
if (!parser.isSet(resourcePathOption)) {
fprintf(stderr, "No resource path for file: %s\n", qPrintable(inputFile));
return EXIT_FAILURE;
}
// main logic:
QmlIR::Document document(false); // used by QmltcTypeResolver/QQmlJSTypeResolver
// NB: JS unit generated here is ignored, so use noop function
QQmlJSSaveFunction noop([](auto &&...) { return true; });
QQmlJSCompileError error;
if (!qCompileQmlFile(document, url, noop, nullptr, &error)) {
error.augment(u"Error compiling qml file: "_qs).print();
return EXIT_FAILURE;
}
QmltcCompilerInfo info;
info.outputCppFile = outputCppFile;
info.outputHFile = outputHFile;
info.outputNamespace = parser.value(namespaceOption);
info.resourcePath = parser.value(resourcePathOption);
QQmlJSImporter importer { importPaths, /* resource file mapper */ nullptr };
QQmlJSLogger logger(url, sourceCode, /* silent */ false);
setupLogger(logger);
QmltcVisitor visitor(&importer, &logger, implicitImportDirectory, qmltypesFiles);
QmltcTypeResolver typeResolver { &importer, &logger };
typeResolver.init(&visitor, document.program);
if (logger.hasWarnings() || logger.hasErrors())
return EXIT_FAILURE;
if (logger.hasWarnings() || logger.hasErrors()) {
// TODO: how do we print errors/warnings/etc.?
return EXIT_FAILURE;
}
QmltcCompiler compiler(url, &typeResolver, &visitor, &logger);
compiler.compile(info);
if (logger.hasWarnings() || logger.hasErrors())
return EXIT_FAILURE;
return EXIT_SUCCESS;
#else
// we need the parser at least for --resource-path option (and maybe for
// something else in the future), so just fail here if QCommandLine parser
// is unavailable
fprintf(stderr,
"qmltc requires commandlineparser feature enabled. Rebuild Qt with that feature "
"present if you want to use this tool\n");
return EXIT_FAILURE;
#endif
}
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