Function initAndRunParser

kdevplatform/language/util/debuglanguageparserhelper.h:168–226

/// call this after setting up @p aboutData in your @c main() function.
template <class ParserT>
int initAndRunParser(KAboutData& aboutData, int argc, char* argv[])
{
    QCoreApplication app(argc, argv);

    KAboutData::setApplicationData(aboutData);

    QCommandLineParser parser;
    aboutData.setupCommandLine(&parser);

    parser.addPositionalArgument("files",
                                 i18n(
                                     "files or - to read from STDIN, the latter is the default if nothing is provided"),
                                 "[FILE...]");

    parser.addOption(QCommandLineOption{QStringList{"a", "print-ast"}, i18n("print generated AST tree")});
    parser.addOption(QCommandLineOption{QStringList{"t", "print-tokens"}, i18n("print generated token stream")});
    parser.addOption(QCommandLineOption{QStringList{"c", "code"}, i18n("code to parse"), "code"});
    setupCustomArgs<ParserT>(&parser);

    parser.process(app);
    aboutData.processCommandLine(&parser);

    QStringList files = parser.positionalArguments();
    bool printAst = parser.isSet("print-ast");
    bool printTokens = parser.isSet("print-tokens");

    KDevelop::AutoTestShell::init();
    KDevelop::TestCore::initialize(KDevelop::Core::NoUi);

    KDevelop::DUChain::self()->disablePersistentStorage();
    KDevelop::CodeRepresentation::setDiskChangesForbidden(true);

    ParserT parserT(printAst, printTokens);
    setCustomArgs(&parserT, &parser);

    if (parser.isSet("code")) {
        parserT.parseCode(parser.value("code"));
    } else if (files.isEmpty()) {
        files << "-";
    }

    for (const QString& fileName : std::as_const(files)) {
        if (fileName == "-") {
#ifndef Q_OS_WIN
            if (isatty(STDIN_FILENO)) {
                qerr << "no STDIN given" << Qt::endl;
                return 255;
            }
#endif
            parserT.parseCode(qin.readAll().toUtf8());
        } else {
            parserT.parseFile(QFileInfo(fileName).absoluteFilePath());
        }
    }

    KDevelop::TestCore::shutdown();

    return 0;