project.cpp

qtmake 文件的代码

                        finished = false;
                        break;
                    }
                }
            }
            if(finished)
                break;
        }
    }

    // now let the user override the template from an option..
    if(!Option::user_template.isEmpty()) {
        QString s;
        if (!vars["TEMPLATE"].isEmpty())
	    s = vars["TEMPLATE"].first();
        debug_msg(1, "Overriding TEMPLATE (%s) with: %s", s.toLatin1().constData(),
                  Option::user_template.toLatin1().constData());
        vars["TEMPLATE"].clear();
        vars["TEMPLATE"].append(Option::user_template);
    }

    QStringList &templ = vars["TEMPLATE"];
    if(templ.isEmpty())
        templ.append(QString("app"));
    else if(vars["TEMPLATE"].first().endsWith(".t"))
        templ = QStringList(templ.first().left(templ.first().length() - 2));
    if(!Option::user_template_prefix.isEmpty() && !templ.first().startsWith(Option::user_template_prefix))
        templ.first().prepend(Option::user_template_prefix);

    QString test_version = QString::fromLocal8Bit(qgetenv("QTESTVERSION"));
    if(!test_version.isEmpty()) {
        QString s = vars["TARGET"].first();
        if(s == "qt" || s == "qt-mt" || s == "qte" || s == "qte-mt") {
            QString &ver = vars["VERSION"].first();
//            fprintf(stderr,"Current QT version number: " + ver + "\n");
            if(!ver.isEmpty() && ver != test_version) {
                ver = test_version;
                fprintf(stderr,("Changed QT version number to " + test_version + "!\n").toLatin1());
            }
        }
    }
    Option::postProcessProject(this);   // let Option post-process
    return true;
}

bool
QMakeProject::isActiveConfig(const QString &x, bool regex, QMap<QString, QStringList> *place)
{
    if(x.isEmpty())
        return true;

    //magic types for easy flipping
    if(x == "true")
        return true;
    else if(x == "false")
        return false;

    //mkspecs
    if((Option::target_mode == Option::TARG_MACX_MODE || Option::target_mode == Option::TARG_QNX6_MODE ||
        Option::target_mode == Option::TARG_UNIX_MODE) && x == "unix")
        return true;
    else if(Option::target_mode == Option::TARG_MACX_MODE && x == "macx")
        return true;
    else if(Option::target_mode == Option::TARG_QNX6_MODE && x == "qnx6")
        return true;
    else if(Option::target_mode == Option::TARG_MAC9_MODE && x == "mac9")
        return true;
    else if((Option::target_mode == Option::TARG_MAC9_MODE || Option::target_mode == Option::TARG_MACX_MODE) &&
            x == "mac")
        return true;
    else if(Option::target_mode == Option::TARG_WIN_MODE && x == "win32")
        return true;
    QRegExp re(x, Qt::CaseSensitive, QRegExp::Wildcard);
    QString spec = Option::mkfile::qmakespec.right(Option::mkfile::qmakespec.length() -
                                                   (Option::mkfile::qmakespec.lastIndexOf(QDir::separator())+1));
    if((regex && re.exactMatch(spec)) || (!regex && spec == x))
        return true;
#ifdef Q_OS_UNIX
    else if(spec == "default") {
        static char *buffer = NULL;
        if(!buffer) {
            buffer = (char *)malloc(1024);
            qmakeAddCacheClear(qmakeFreeCacheClear, (void**)&buffer);
        }
        int l = readlink(Option::mkfile::qmakespec.toLatin1(), buffer, 1024);
        if(l != -1) {
            buffer[l] = '\0';
            QString r = buffer;
            if(r.lastIndexOf('/') != -1)
                r = r.mid(r.lastIndexOf('/') + 1);
            if((regex && re.exactMatch(r)) || (!regex && r == x))
                return true;
        }
    }
#endif

    //simple matching
    const QStringList &configs = (place ? (*place)["CONFIG"] : vars["CONFIG"]);
    for(QStringList::ConstIterator it = configs.begin(); it != configs.end(); ++it) {
        if(((regex && re.exactMatch((*it))) || (!regex && (*it) == x)) && re.exactMatch((*it)))
            return true;
    }
    return false;
}

bool
QMakeProject::doProjectTest(QString str, QMap<QString, QStringList> &place)
{
    QString chk = remove_quotes(str);
    if(chk.isEmpty())
        return true;
    bool invert_test = (chk.left(1) == "!");
    if(invert_test)
        chk = chk.right(chk.length() - 1);

    bool test=false;
    int lparen = chk.indexOf('(');
    if(lparen != -1) { // if there is an lparen in the chk, it IS a function
        int rparen = chk.indexOf(')', lparen);
        if(rparen == -1) {
            QByteArray error;
            error.reserve(256);
#if defined(_MSC_VER) && _MSC_VER >= 1400
            sprintf_s(error.data(), 256, "Function (in REQUIRES) missing right paren: %s",
                    chk.toLatin1().constData());
#else
            sprintf(error.data(), "Function (in REQUIRES) missing right paren: %s",
                    chk.toLatin1().constData());
#endif
            qmake_error_msg(error);
        } else {
            QString func = chk.left(lparen);
            test = doProjectTest(func, chk.mid(lparen+1, rparen - lparen - 1), place);
        }
    } else {
        test = isActiveConfig(chk, true, &place);
    }
    if(invert_test)
        return !test;
    return test;
}

bool
QMakeProject::doProjectTest(QString func, const QString &params,
                            QMap<QString, QStringList> &place)
{
    return doProjectTest(func, split_arg_list(params), place);
}

QMakeProject::IncludeStatus
QMakeProject::doProjectInclude(QString file, uchar flags, QMap<QString, QStringList> &place)
{
    if(flags & IncludeFlagFeature) {
        if(!file.endsWith(Option::prf_ext))
            file += Option::prf_ext;
        if(file.indexOf(Option::dir_sep) == -1 || !QFile::exists(file)) {
            bool found = false;
            static QStringList *feature_roots = 0;
            if(!feature_roots) {
                feature_roots = new QStringList(qmake_feature_paths(prop));
                qmakeAddCacheClear(qmakeDeleteCacheClear_QStringList, (void**)&feature_roots);
            }
            debug_msg(2, "Looking for feature '%s' in (%s)", file.toLatin1().constData(),
			feature_roots->join("::").toLatin1().constData());
            int start_root = 0;
            if(parser.from_file) {
                QFileInfo currFile(parser.file), prfFile(file);
                if(currFile.fileName() == prfFile.fileName()) {
                    currFile = QFileInfo(currFile.canonicalFilePath());
                    for(int root = 0; root < feature_roots->size(); ++root) {
                        prfFile = QFileInfo(feature_roots->at(root) +
                                            QDir::separator() + file).canonicalFilePath();
                        if(prfFile == currFile) {
                            start_root = root+1;
                            break;
                        }
                    }
                }
            }
            for(int root = start_root; root < feature_roots->size(); ++root) {
                QString prf(feature_roots->at(root) + QDir::separator() + file);
                if(QFile::exists(prf)) {
                    found = true;
                    file = prf;
                    break;
                }
            }
            if(!found)
                return IncludeNoExist;
            if(place["QMAKE_INTERNAL_INCLUDED_FEATURES"].indexOf(file) != -1)
                return IncludeFeatureAlreadyLoaded;
            place["QMAKE_INTERNAL_INCLUDED_FEATURES"].append(file);
        }
    }
    if(QDir::isRelativePath(file)) {
        QStringList include_roots;
        include_roots << Option::output_dir;
        if(Option::output_dir != qmake_getpwd())
            include_roots << qmake_getpwd();
        for(int root = 0; root < include_roots.size(); ++root) {
		QString testName = QDir::convertSeparators(include_roots[root]);
		if (!testName.endsWith(QString(QDir::separator())))
			testName += QDir::separator();
		testName += file;

            if(QFile::exists(testName)) {
                file = testName;
                break;
            }
        }
    }
    if(!QFile::exists(file))
        return IncludeNoExist;

    if(Option::mkfile::do_preprocess) //nice to see this first..
        fprintf(stderr, "#switching file %s(%s) - %s:%d\n", (flags & IncludeFlagFeature) ? "load" : "include",
                file.toLatin1().constData(),
                parser.file.toLatin1().constData(), parser.line_no);
    debug_msg(1, "Project Parser: %s'ing file %s.", (flags & IncludeFlagFeature) ? "load" : "include",
              file.toLatin1().constData());
    QString orig_file = file;
    int di = file.lastIndexOf(QDir::separator());
    QString oldpwd = qmake_getpwd();
    if(di != -1) {
        if(!qmake_setpwd(file.left(file.lastIndexOf(QDir::separator())))) {
            fprintf(stderr, "Cannot find directory: %s\n", file.left(di).toLatin1().constData());
            return IncludeFailure;
        }
        file = file.right(file.length() - di - 1);
    }
    parser_info pi = parser;
    QStack<ScopeBlock> sc = scope_blocks;
    IteratorBlock *it = iterator;
    FunctionBlock *fu = function;
    bool parsed = false;
    if(flags & IncludeFlagNewProject) {
        // The "project's variables" are used in other places (eg. export()) so it's not
        // possible to use "place" everywhere. Instead just set variables and grab them later
        QMakeProject proj;
        proj.variables() = place;
        if(proj.doProjectInclude("default_pre", IncludeFlagFeature, proj.variables()) == IncludeNoExist)
            proj.doProjectInclude("default", IncludeFlagFeature, proj.variables());
        parsed = proj.read(file, proj.variables());
        place = proj.variables();
    } else {
        parsed = read(file, place);
    }
    if(parsed) {
        if(place["QMAKE_INTERNAL_INCLUDED_FILES"].indexOf(orig_file) == -1)
            place["QMAKE_INTERNAL_INCLUDED_FILES"].append(orig_file);
    } else {
        warn_msg(WarnParser, "%s:%d: Failure to include file %s.",
                 pi.file.toLatin1().constData(), pi.line_no, orig_file.toLatin1().constData());
    }
    iterator = it;
    function = fu;
    parser = pi;
    scope_blocks = sc;
    qmake_setpwd(oldpwd);
    if(!parsed)
        return IncludeParseFailure;
    return IncludeSuccess;
}

QString
QMakeProject::doProjectExpand(QString func, const QString &params,
                              QMap<QString, QStringList> &place)
{
    return doProjectExpand(func, split_arg_list(params), place);
}

QString
QMakeProject::doProjectExpand(QString func, QStringList args,
                              QMap<QString, QStringList> &place)
{
    func = func.trimmed();
    for(QStringList::Iterator arit = args.begin(); arit != args.end(); ++arit)
        doVariableReplace((*arit), place);

    enum ExpandFunc { E_MEMBER=1, E_FIRST, E_LAST, E_CAT, E_FROMFILE, E_EVAL, E_LIST,
                      E_SPRINTF, E_JOIN, E_SPLIT, E_BASENAME, E_DIRNAME, E_SECTION,
                      E_FIND, E_SYSTEM, E_UNIQUE, E_QUOTE, E_UPPER, E_LOWER, E_FILES,
                      E_PROMPT, E_RE_ESCAPE };
    static QMap<QString, int> *expands = 0;
    if(!expands) {
        expands = new QMap<QString, int>;
        qmakeAddCacheClear(qmakeDeleteCacheClear_QMapStringInt, (void**)&expands);
        expands->insert("member", E_MEMBER);
        expands->insert("first", E_FIRST);
        expands->insert("last", E_LAST);
        expands->insert("cat", E_CAT);
        expands->insert("fromfile", E_FROMFILE);
        expands->insert("eval", E_EVAL);
        expands->insert("list", E_LIST);
        expands->insert("sprintf", E_SPRINTF);
        expands->insert("join", E_JOIN);
        expands->insert("split", E_SPLIT);
        expands->insert("basename", E_BASENAME);
        expands->insert("dirname", E_DIRNAME);
        expands->insert("section", E_SECTION);
        expands->insert("find", E_FIND);
        expands->insert("system", E_SYSTEM);
        expands->insert("unique", E_UNIQUE);
        expands->insert("quote", E_QUOTE);
        expands->insert("upper", E_UPPER);
        expands->insert("lower", E_LOWER);
        expands->insert("re_escape", E_RE_ESCAPE);
        expands->insert("files", E_FILES);
        expands->insert("prompt", E_PROMPT);
    }
    ExpandFunc func_t = (ExpandFunc)expands->value(func.toLower());
    debug_msg(1, "Running project expand: %s(%s) [%d]",
              func.toLatin1().constData(), args.join("::").toLatin1().constData(), func_t);

    QString ret;
    switch(func_t) {
    case E_MEMBER: {
        if(args.count() < 1 || args.count() > 3) {
            fprintf(stderr, "%s:%d: member(var, start, end) requires three arguments.\n",
                    parser.file.toLatin1().constData(), parser.line_no);
        } else {
            bool ok = true;
            const QStringList &var = place[varMap(args.first())];
            int start = 0, end = 0;
            if(args.count() >= 2) {
                QString start_str = args[1];
                start = start_str.toInt(&ok);
                if(!ok) {
                    if(args.count() == 2)