Exemplo n.º 1
0
void Moc::parseFunctionArguments(FunctionDef *def)
{
    Q_UNUSED(def);
    while (hasNext()) {
        ArgumentDef  arg;
        arg.type = parseType();
        if (arg.type.name == "void")
            break;
        if (test(IDENTIFIER))
            arg.name = lexem();
        while (test(LBRACK)) {
            arg.rightType += lexemUntil(RBRACK);
        }
        if (test(CONST) || test(VOLATILE)) {
            arg.rightType += ' ';
            arg.rightType += lexem();
        }
        arg.normalizedType = normalizeType(arg.type.name + ' ' + arg.rightType);
        arg.typeNameForCast = normalizeType(noRef(arg.type.name) + "(*)" + arg.rightType);
        if (test(EQ))
            arg.isDefault = true;
        def->arguments += arg;
        if (!until(COMMA))
            break;
    }
}
Exemplo n.º 2
0
bool Moc::parseEnum(EnumDef *def)
{
    bool isTypdefEnum = false; // typedef enum { ... } Foo;

    if (test(IDENTIFIER)) {
        def->name = lexem();
    } else {
        if (lookup(-1) != TYPEDEF)
            return false; // anonymous enum
        isTypdefEnum = true;
    }
    if (!test(LBRACE))
        return false;
    do {
        if (lookup() == RBRACE) // accept trailing comma
            break;
        next(IDENTIFIER);
        def->values += lexem();
    } while (test(EQ) ? until(COMMA) : test(COMMA));
    next(RBRACE);
    if (isTypdefEnum) {
        if (!test(IDENTIFIER))
            return false;
        def->name = lexem();
    }
    return true;
}
Exemplo n.º 3
0
Arquivo: moc.cpp Projeto: Fale/qtmoko
void Moc::parseEnumOrFlag(ClassDef *def, bool isFlag)
{
    next(LPAREN);
    QByteArray identifier;
    while (test(IDENTIFIER)) {
        identifier = lexem();
        while (test(SCOPE) && test(IDENTIFIER)) {
            identifier += "::";
            identifier += lexem();
        }
        def->enumDeclarations[identifier] = isFlag;
    }
    next(RPAREN);
}
Exemplo n.º 4
0
void Preprocessor::parseDefineArguments(Macro *m)
{
    Symbols arguments;
    while (hasNext()) {
        while (test(PP_WHITESPACE)) {}
        Token t = next();
        if (t == PP_RPAREN)
            break;
        if (t != PP_IDENTIFIER) {
            QByteArray l = lexem();
            if (l == "...") {
                m->isVariadic = true;
                arguments += Symbol(symbol().lineNum, PP_IDENTIFIER, "__VA_ARGS__");
                while (test(PP_WHITESPACE)) {}
                if (!test(PP_RPAREN))
                    error("missing ')' in macro argument list");
                break;
            } else if (!is_identifier(l.constData(), l.length())) {
                qDebug() << l;
                error("Unexpected character in macro argument list.");
            }
        }

        Symbol arg = symbol();
        if (arguments.contains(arg))
            error("Duplicate macro parameter.");
        arguments += symbol();

        while (test(PP_WHITESPACE)) {}
        t = next();
        if (t == PP_RPAREN)
            break;
        if (t == PP_COMMA)
            continue;
        if (lexem() == "...") {
            //GCC extension:    #define FOO(x, y...) x(y)
            // The last argument was already parsed. Just mark the macro as variadic.
            m->isVariadic = true;
            while (test(PP_WHITESPACE)) {}
            if (!test(PP_RPAREN))
                error("missing ')' in macro argument list");
            break;
        }
        error("Unexpected character in macro argument list.");
    }
    m->arguments = arguments;
    while (test(PP_WHITESPACE)) {}
}
Exemplo n.º 5
0
int PP_Expression::primary_expression()
{
    int value;
    if (test(PP_LPAREN)) {
        value = conditional_expression();
        test(PP_RPAREN);
    } else {
        next();
        value = lexem().toInt(0, 0);
    }
    return value;
}
Exemplo n.º 6
0
Arquivo: moc.cpp Projeto: Fale/qtmoko
void Moc::parseInterfaces(ClassDef *def)
{
    next(LPAREN);
    while (test(IDENTIFIER)) {
        QList<ClassDef::Interface> iface;
        iface += ClassDef::Interface(lexem());
        while (test(SCOPE)) {
            iface.last().className += lexem();
            next(IDENTIFIER);
            iface.last().className += lexem();
        }
        while (test(COLON)) {
            next(IDENTIFIER);
            iface += ClassDef::Interface(lexem());
            while (test(SCOPE)) {
                iface.last().className += lexem();
                next(IDENTIFIER);
                iface.last().className += lexem();
            }
        }
        // resolve from classnames to interface ids
        for (int i = 0; i < iface.count(); ++i) {
            const QByteArray iid = interface2IdMap.value(iface.at(i).className);
            if (iid.isEmpty())
                error("Undefined interface");

            iface[i].interfaceId = iid;
        }
        def->interfaceList += iface;
    }
    next(RPAREN);
}
Exemplo n.º 7
0
Arquivo: moc.cpp Projeto: Fale/qtmoko
void Moc::parseDeclareInterface()
{
    next(LPAREN);
    QByteArray interface;
    next(IDENTIFIER);
    interface += lexem();
    while (test(SCOPE)) {
        interface += lexem();
        next(IDENTIFIER);
        interface += lexem();
    }
    next(COMMA);
    QByteArray iid;
    if (test(STRING_LITERAL)) {
        iid = lexem();
    } else {
        next(IDENTIFIER);
        iid = lexem();
    }
    interface2IdMap.insert(interface, iid);
    next(RPAREN);
}
Exemplo n.º 8
0
Arquivo: moc.cpp Projeto: Fale/qtmoko
void Moc::parseFlag(ClassDef *def)
{
    next(LPAREN);
    QByteArray flagName, enumName;
    while (test(IDENTIFIER)) {
        flagName = lexem();
        while (test(SCOPE) && test(IDENTIFIER)) {
            flagName += "::";
            flagName += lexem();
        }
    }
    next(COMMA);
    while (test(IDENTIFIER)) {
        enumName = lexem();
        while (test(SCOPE) && test(IDENTIFIER)) {
            enumName += "::";
            enumName += lexem();
        }
    }

    def->flagAliases.insert(enumName, flagName);
    next(RPAREN);
}
Expression *ExpressionBuilder::primary_expression()
{
    Expression *value;
    if (test('(')) {
        if (moreTokens(1))
            value = conditional_expression();
        else
            value = createIntLiteral(0); // Syntax error.
        test(')');
    } else {
        next();
        bool ok;
        int val  = QString::fromLatin1(lexem()).toInt(&ok, 0);
        if(ok)
            value = createIntLiteral(val);
        else
            value = createMacroReference(MacroReference::ValueRef, createTokenList(i -1));
    }
    return value;
}
Exemplo n.º 10
0
Arquivo: moc.cpp Projeto: Fale/qtmoko
void Moc::parseSlotInPrivate(ClassDef *def, FunctionDef::Access access)
{
    next(LPAREN);
    FunctionDef funcDef;
    next(IDENTIFIER);
    funcDef.inPrivateClass = lexem();
    // also allow void functions
    if (test(LPAREN)) {
        next(RPAREN);
        funcDef.inPrivateClass += "()";
    }
    next(COMMA);
    funcDef.access = access;
    parseFunction(&funcDef, true);
    def->slotList += funcDef;
    while (funcDef.arguments.size() > 0 && funcDef.arguments.last().isDefault) {
        funcDef.wasCloned = true;
        funcDef.arguments.removeLast();
        def->slotList += funcDef;
    }
}
Exemplo n.º 11
0
void Preprocessor::preprocess(const QByteArray &filename, Symbols &preprocessed)
{
    currentFilenames.push(filename);
    preprocessed.reserve(preprocessed.size() + symbols.size());
    while (hasNext()) {
        Token token = next();

        switch (token) {
        case PP_INCLUDE:
        {
            int lineNum = symbol().lineNum;
            QByteArray include;
            bool local = false;
            if (test(PP_STRING_LITERAL)) {
                local = lexem().startsWith('\"');
                include = unquotedLexem();
            } else
                continue;
            until(PP_NEWLINE);

            // #### stringery
            QFileInfo fi;
            if (local)
                fi.setFile(QFileInfo(QString::fromLocal8Bit(filename)).dir(), QString::fromLocal8Bit(include));
            for (int j = 0; j < Preprocessor::includes.size() && !fi.exists(); ++j) {
                const IncludePath &p = Preprocessor::includes.at(j);
                if (p.isFrameworkPath) {
                    const int slashPos = include.indexOf('/');
                    if (slashPos == -1)
                        continue;
                    QByteArray frameworkCandidate = include.left(slashPos);
                    frameworkCandidate.append(".framework/Headers/");
                    fi.setFile(QString::fromLocal8Bit(QByteArray(p.path + '/' + frameworkCandidate)), QString::fromLocal8Bit(include.mid(slashPos + 1)));
                } else {
                    fi.setFile(QString::fromLocal8Bit(p.path), QString::fromLocal8Bit(include));
                }
                // try again, maybe there's a file later in the include paths with the same name
                // (186067)
                if (fi.isDir()) {
                    fi = QFileInfo();
                    continue;
                }
            }

            if (!fi.exists() || fi.isDir())
                continue;
            include = fi.canonicalFilePath().toLocal8Bit();

            if (Preprocessor::preprocessedIncludes.contains(include))
                continue;
            Preprocessor::preprocessedIncludes.insert(include);

            QFile file(QString::fromLocal8Bit(include));
            if (!file.open(QFile::ReadOnly))
                continue;

            QByteArray input = file.readAll();
            file.close();
            if (input.isEmpty())
                continue;

            Symbols saveSymbols = symbols;
            int saveIndex = index;

            // phase 1: get rid of backslash-newlines
            input = cleaned(input);

            // phase 2: tokenize for the preprocessor
            symbols = tokenize(input);
            input.clear();

            index = 0;

            // phase 3: preprocess conditions and substitute macros
            preprocessed += Symbol(0, MOC_INCLUDE_BEGIN, include);
            preprocess(include, preprocessed);
            preprocessed += Symbol(lineNum, MOC_INCLUDE_END, include);

            symbols = saveSymbols;
            index = saveIndex;
            continue;
        }
        case PP_DEFINE:
        {
            next(IDENTIFIER);
            QByteArray name = lexem();
            int start = index;
            until(PP_NEWLINE);
            Macro macro;
            macro.symbols.reserve(index - start - 1);
            for (int i = start; i < index - 1; ++i)
                macro.symbols += symbols.at(i);
            macros.insert(name, macro);
            continue;
        }
        case PP_UNDEF: {
            next(IDENTIFIER);
            QByteArray name = lexem();
            until(PP_NEWLINE);
            macros.remove(name);
            continue;
        }
        case PP_IDENTIFIER:
        {
//             if (macros.contains(symbol()))
//                 ;
        }
            // we _could_ easily substitute macros by the following
            // four lines, but we choose not to.
            /*
            if (macros.contains(sym.lexem())) {
                preprocessed += substitute(macros, symbols, i);
                continue;
            }
            */
            break;
        case PP_HASH:
            until(PP_NEWLINE);
            continue; // skip unknown preprocessor statement
        case PP_IFDEF:
        case PP_IFNDEF:
        case PP_IF:
            while (!evaluateCondition()) {
                if (!skipBranch())
                    break;
                if (test(PP_ELIF)) {
                } else {
                    until(PP_NEWLINE);
                    break;
                }
            }
            continue;
        case PP_ELIF:
        case PP_ELSE:
            skipUntilEndif();
            // fall through
        case PP_ENDIF:
            until(PP_NEWLINE);
            continue;
        case SIGNALS:
        case SLOTS: {
            Symbol sym = symbol();
            if (macros.contains("QT_NO_KEYWORDS"))
                sym.token = IDENTIFIER;
            else
                sym.token = (token == SIGNALS ? Q_SIGNALS_TOKEN : Q_SLOTS_TOKEN);
            preprocessed += sym;
        } continue;
        default:
            break;
        }
        preprocessed += symbol();
    }

    currentFilenames.pop();
}
Exemplo n.º 12
0
void Preprocessor::preprocess(const QByteArray &filename, Symbols &preprocessed)
{
    currentFilenames.push(filename);
    preprocessed.reserve(preprocessed.size() + symbols.size());
    while (hasNext()) {
        Token token = next();

        switch (token) {
        case PP_INCLUDE:
        {
            int lineNum = symbol().lineNum;
            QByteArray include;
            bool local = false;
            if (test(PP_STRING_LITERAL)) {
                local = lexem().startsWith('\"');
                include = unquotedLexem();
            } else
                continue;
            until(PP_NEWLINE);

            // #### stringery
            QFileInfo fi;
            if (local)
                fi.setFile(QFileInfo(QString::fromLocal8Bit(filename.constData())).dir(), QString::fromLocal8Bit(include.constData()));
            for (int j = 0; j < Preprocessor::includes.size() && !fi.exists(); ++j) {
                const IncludePath &p = Preprocessor::includes.at(j);
                if (p.isFrameworkPath) {
                    const int slashPos = include.indexOf('/');
                    if (slashPos == -1)
                        continue;
                    QByteArray frameworkCandidate = include.left(slashPos);
                    frameworkCandidate.append(".framework/Headers/");
                    fi.setFile(QString::fromLocal8Bit(QByteArray(p.path + '/' + frameworkCandidate).constData()), QString::fromLocal8Bit(include.mid(slashPos + 1).constData()));
                } else {
                    fi.setFile(QString::fromLocal8Bit(p.path.constData()), QString::fromLocal8Bit(include.constData()));
                }
                // try again, maybe there's a file later in the include paths with the same name
                // (186067)
                if (fi.isDir()) {
                    fi = QFileInfo();
                    continue;
                }
            }

            if (!fi.exists() || fi.isDir())
                continue;
            include = fi.canonicalFilePath().toLocal8Bit();

            if (Preprocessor::preprocessedIncludes.contains(include))
                continue;
            Preprocessor::preprocessedIncludes.insert(include);

            QFile file(QString::fromLocal8Bit(include.constData()));
            if (!file.open(QFile::ReadOnly))
                continue;

            QByteArray input = file.readAll();
            file.close();
            if (input.isEmpty())
                continue;

            Symbols saveSymbols = symbols;
            int saveIndex = index;

            // phase 1: get rid of backslash-newlines
            input = cleaned(input);

            // phase 2: tokenize for the preprocessor
            symbols = tokenize(input);
            input.clear();

            index = 0;

            // phase 3: preprocess conditions and substitute macros
            preprocessed += Symbol(0, MOC_INCLUDE_BEGIN, include);
            preprocess(include, preprocessed);
            preprocessed += Symbol(lineNum, MOC_INCLUDE_END, include);

            symbols = saveSymbols;
            index = saveIndex;
            continue;
        }
        case PP_DEFINE:
        {
            next(IDENTIFIER);
            QByteArray name = lexem();
            Macro macro;
            macro.isVariadic = false;
            Token t = next();
            if (t == LPAREN) {
                // we have a function macro
                macro.isFunction = true;
                parseDefineArguments(&macro);
            } else if (t == PP_WHITESPACE) {
                macro.isFunction = false;
            } else {
                error("Moc: internal error");
            }
            int start = index;
            until(PP_NEWLINE);
            macro.symbols.reserve(index - start - 1);

            // remove whitespace where there shouldn't be any:
            // Before and after the macro, after a # and around ##
            Token lastToken = HASH; // skip shitespace at the beginning
            for (int i = start; i < index - 1; ++i) {
                Token token = symbols.at(i).token;
                if (token ==  PP_WHITESPACE || token == WHITESPACE) {
                    if (lastToken == PP_HASH || lastToken == HASH ||
                            lastToken == PP_HASHHASH ||
                            lastToken == PP_WHITESPACE || lastToken == WHITESPACE)
                        continue;
                } else if (token == PP_HASHHASH) {
                    if (!macro.symbols.isEmpty() &&
                            (lastToken ==  PP_WHITESPACE || lastToken == WHITESPACE))
                        macro.symbols.pop_back();
                }
                macro.symbols.append(symbols.at(i));
                lastToken = token;
            }
            // remove trailing whitespace
            while (!macro.symbols.isEmpty() &&
                    (macro.symbols.last().token == PP_WHITESPACE || macro.symbols.last().token == WHITESPACE))
                macro.symbols.pop_back();

            if (!macro.symbols.isEmpty()) {
                if (macro.symbols.first().token == PP_HASHHASH ||
                        macro.symbols.last().token == PP_HASHHASH) {
                    error("'##' cannot appear at either end of a macro expansion");
                }
                if (macro.symbols.last().token == HASH ||
                        macro.symbols.last().token == PP_HASH) {
                    error("'#' is not followed by a macro parameter");
                }
            }
            macros.insert(name, macro);
            continue;
        }
        case PP_UNDEF: {
            next(IDENTIFIER);
            QByteArray name = lexem();
            until(PP_NEWLINE);
            macros.remove(name);
            continue;
        }
        case PP_IDENTIFIER: {
            // substitute macros
            preprocessed += macroExpand(this, symbols, index, symbol().lineNum, true);
            continue;
        }
        case PP_HASH:
            until(PP_NEWLINE);
            continue; // skip unknown preprocessor statement
        case PP_IFDEF:
        case PP_IFNDEF:
        case PP_IF:
            while (!evaluateCondition()) {
                if (!skipBranch())
                    break;
                if (test(PP_ELIF)) {
                } else {
                    until(PP_NEWLINE);
                    break;
                }
            }
            continue;
        case PP_ELIF:
        case PP_ELSE:
            skipUntilEndif();
        // fall through
        case PP_ENDIF:
            until(PP_NEWLINE);
            continue;
        case PP_NEWLINE:
            continue;
        case SIGNALS:
        case SLOTS: {
            Symbol sym = symbol();
            if (macros.contains("QT_NO_KEYWORDS"))
                sym.token = IDENTIFIER;
            else
                sym.token = (token == SIGNALS ? Q_SIGNALS_TOKEN : Q_SLOTS_TOKEN);
            preprocessed += sym;
        }
        continue;
        default:
            break;
        }
        preprocessed += symbol();
    }

    currentFilenames.pop();
}
Exemplo n.º 13
0
void Moc::createPropertyDef(PropertyDef &propDef)
{
    QByteArray type = parseType().name;
    if (type.isEmpty())
        error();
    propDef.designable = propDef.scriptable = propDef.stored = "true";
    propDef.user = "******";
    /*
      The Q_PROPERTY construct cannot contain any commas, since
      commas separate macro arguments. We therefore expect users
      to type "QMap" instead of "QMap<QString, QVariant>". For
      coherence, we also expect the same for
      QValueList<QVariant>, the other template class supported by
      QVariant.
    */
    type = normalizeType(type);
    if (type == "QMap")
        type = "QMap<QString,QVariant>";
    else if (type == "QValueList")
        type = "QValueList<QVariant>";
    else if (type == "LongLong")
        type = "qlonglong";
    else if (type == "ULongLong")
        type = "qulonglong";
    else if (type == "qreal")
        mustIncludeQMetaTypeH = true;

    propDef.type = type;

    next();
    propDef.name = lexem();
    while (test(IDENTIFIER)) {
        QByteArray l = lexem();

        if (l[0] == 'C' && l == "CONSTANT") {
            propDef.constant = true;
            continue;
        } else if(l[0] == 'F' && l == "FINAL") {
            propDef.final = true;
            continue;
        }

        QByteArray v, v2;
        if (test(LPAREN)) {
            v = lexemUntil(RPAREN);
        } else {
            next(IDENTIFIER);
            v = lexem();
            if (test(LPAREN))
                v2 = lexemUntil(RPAREN);
            else if (v != "true" && v != "false")
                v2 = "()";
        }
        switch (l[0]) {
        case 'R':
            if (l == "READ")
                propDef.read = v;
            else if (l == "RESET")
                propDef.reset = v + v2;
            else
                error(2);
            break;
        case 'S':
            if (l == "SCRIPTABLE")
                propDef.scriptable = v + v2;
            else if (l == "STORED")
                propDef.stored = v + v2;
            else
                error(2);
            break;
        case 'W': if (l != "WRITE") error(2);
            propDef.write = v;
            break;
        case 'D': if (l != "DESIGNABLE") error(2);
            propDef.designable = v + v2;
            break;
        case 'E': if (l != "EDITABLE") error(2);
            propDef.editable = v + v2;
            break;
        case 'N': if (l != "NOTIFY") error(2);
            propDef.notify = v;
            break;
        case 'U': if (l != "USER") error(2);
            propDef.user = v + v2;
            break;
        default:
            error(2);
        }
    }
Exemplo n.º 14
0
bool Moc::parseClassHead(ClassDef *def)
{
    // figure out whether this is a class declaration, or only a
    // forward or variable declaration.
    int i = 0;
    Token token;
    do {
        token = lookup(i++);
        if (token == COLON || token == LBRACE)
            break;
        if (token == SEMIC || token == RANGLE)
            return false;
    } while (token);

    if (!test(IDENTIFIER)) // typedef struct { ... }
        return false;
    QByteArray name = lexem();

    // support "class IDENT name" and "class IDENT(IDENT) name"
    if (test(LPAREN)) {
        until(RPAREN);
        if (!test(IDENTIFIER))
            return false;
        name = lexem();
    } else  if (test(IDENTIFIER)) {
        name = lexem();
    }

    def->qualified += name;
    while (test(SCOPE)) {
        def->qualified += lexem();
        if (test(IDENTIFIER)) {
            name = lexem();
            def->qualified += name;
        }
    }
    def->classname = name;
    if (test(COLON)) {
        do {
            test(VIRTUAL);
            FunctionDef::Access access = FunctionDef::Public;
            if (test(PRIVATE))
                access = FunctionDef::Private;
            else if (test(PROTECTED))
                access = FunctionDef::Protected;
            else
                test(PUBLIC);
            test(VIRTUAL);
            const QByteArray type = parseType().name;
            // ignore the 'class Foo : BAR(Baz)' case
            if (test(LPAREN)) {
                until(RPAREN);
            } else {
                def->superclassList += qMakePair(type, access);
            }
        } while (test(COMMA));
    }
    if (!test(LBRACE))
        return false;
    def->begin = index - 1;
    bool foundRBrace = until(RBRACE);
    def->end = index;
    index = def->begin + 1;
    return foundRBrace;
}
Exemplo n.º 15
0
void Moc::parse()
{
    QList<NamespaceDef> namespaceList;
    bool templateClass = false;
    while (hasNext()) {
        Token t = next();
        switch (t) {
            case NAMESPACE: {
                int rewind = index;
                if (test(IDENTIFIER)) {
                    if (test(EQ)) {
                        // namespace Foo = Bar::Baz;
                        until(SEMIC);
                    } else if (!test(SEMIC)) {
                        NamespaceDef def;
                        def.name = lexem();
                        next(LBRACE);
                        def.begin = index - 1;
                        until(RBRACE);
                        def.end = index;
                        index = def.begin + 1;
                        namespaceList += def;
                        index = rewind;
                    }
                }
                break;
            }
            case SEMIC:
            case RBRACE:
                templateClass = false;
                break;
            case TEMPLATE:
                templateClass = true;
                break;
            case MOC_INCLUDE_BEGIN:
                currentFilenames.push(symbol().unquotedLexem());
                break;
            case MOC_INCLUDE_END:
                currentFilenames.pop();
                break;
            case Q_DECLARE_INTERFACE_TOKEN:
                parseDeclareInterface();
                break;
            case Q_DECLARE_METATYPE_TOKEN:
                parseDeclareMetatype();
                break;
            case USING:
                if (test(NAMESPACE)) {
                    while (test(SCOPE) || test(IDENTIFIER))
                        ;
                    next(SEMIC);
                }
                break;
            case CLASS:
            case STRUCT: {
                if (currentFilenames.size() <= 1)
                    break;

                ClassDef def;
                if (!parseClassHead(&def))
                    continue;

                while (inClass(&def) && hasNext()) {
                    if (next() == Q_OBJECT_TOKEN) {
                        def.hasQObject = true;
                        break;
                    }
                }

                if (!def.hasQObject)
                    continue;

                for (int i = namespaceList.size() - 1; i >= 0; --i)
                    if (inNamespace(&namespaceList.at(i)))
                        def.qualified.prepend(namespaceList.at(i).name + "::");

                knownQObjectClasses.insert(def.classname);
                knownQObjectClasses.insert(def.qualified);

                continue; }
            default: break;
        }
        if ((t != CLASS && t != STRUCT)|| currentFilenames.size() > 1)
            continue;
        ClassDef def;
        if (parseClassHead(&def)) {
            FunctionDef::Access access = FunctionDef::Private;
            for (int i = namespaceList.size() - 1; i >= 0; --i)
                if (inNamespace(&namespaceList.at(i)))
                    def.qualified.prepend(namespaceList.at(i).name + "::");
            while (inClass(&def) && hasNext()) {
                switch ((t = next())) {
                case PRIVATE:
                    access = FunctionDef::Private;
                    if (test(Q_SIGNALS_TOKEN))
                        error("Signals cannot have access specifier");
                    break;
                case PROTECTED:
                    access = FunctionDef::Protected;
                    if (test(Q_SIGNALS_TOKEN))
                        error("Signals cannot have access specifier");
                    break;
                case PUBLIC:
                    access = FunctionDef::Public;
                    if (test(Q_SIGNALS_TOKEN))
                        error("Signals cannot have access specifier");
                    break;
                case CLASS: {
                    ClassDef nestedDef;
                    if (parseClassHead(&nestedDef)) {
                        while (inClass(&nestedDef) && inClass(&def)) {
                            t = next();
                            if (t >= Q_META_TOKEN_BEGIN && t < Q_META_TOKEN_END)
                                error("Meta object features not supported for nested classes");
                        }
                    }
                } break;
                case Q_SIGNALS_TOKEN:
                    parseSignals(&def);
                    break;
                case Q_SLOTS_TOKEN:
                    switch (lookup(-1)) {
                    case PUBLIC:
                    case PROTECTED:
                    case PRIVATE:
                        parseSlots(&def, access);
                        break;
                    default:
                        error("Missing access specifier for slots");
                    }
                    break;
                case Q_OBJECT_TOKEN:
                    def.hasQObject = true;
                    if (templateClass)
                        error("Template classes not supported by Q_OBJECT");
                    if (def.classname != "Qt" && def.classname != "QObject" && def.superclassList.isEmpty())
                        error("Class contains Q_OBJECT macro but does not inherit from QObject");
                    break;
                case Q_GADGET_TOKEN:
                    def.hasQGadget = true;
                    if (templateClass)
                        error("Template classes not supported by Q_GADGET");
                    break;
                case Q_PROPERTY_TOKEN:
                    parseProperty(&def);
                    break;
                case Q_ENUMS_TOKEN:
                    parseEnumOrFlag(&def, false);
                    break;
                case Q_FLAGS_TOKEN:
                    parseEnumOrFlag(&def, true);
                    break;
                case Q_DECLARE_FLAGS_TOKEN:
                    parseFlag(&def);
                    break;
                case Q_CLASSINFO_TOKEN:
                    parseClassInfo(&def);
                    break;
                case Q_INTERFACES_TOKEN:
                    parseInterfaces(&def);
                    break;
                case Q_PRIVATE_SLOT_TOKEN:
                    parseSlotInPrivate(&def, access);
                    break;
                case Q_PRIVATE_PROPERTY_TOKEN:
                    parsePrivateProperty(&def);
                    break;
                case ENUM: {
                    EnumDef enumDef;
                    if (parseEnum(&enumDef))
                        def.enumList += enumDef;
                } break;
                default:
                    FunctionDef funcDef;
                    funcDef.access = access;
                    int rewind = index;
                    if (parseMaybeFunction(&def, &funcDef)) {
                        if (funcDef.isConstructor) {
                            if ((access == FunctionDef::Public) && funcDef.isInvokable) {
                                def.constructorList += funcDef;
                                while (funcDef.arguments.size() > 0 && funcDef.arguments.last().isDefault) {
                                    funcDef.wasCloned = true;
                                    funcDef.arguments.removeLast();
                                    def.constructorList += funcDef;
                                }
                            }
                        } else if (funcDef.isDestructor) {
                            // don't care about destructors
                        } else {
                            if (access == FunctionDef::Public)
                                def.publicList += funcDef;
                            if (funcDef.isSlot) {
                                def.slotList += funcDef;
                                while (funcDef.arguments.size() > 0 && funcDef.arguments.last().isDefault) {
                                    funcDef.wasCloned = true;
                                    funcDef.arguments.removeLast();
                                    def.slotList += funcDef;
                                }
                            } else if (funcDef.isSignal) {
                                def.signalList += funcDef;
                                while (funcDef.arguments.size() > 0 && funcDef.arguments.last().isDefault) {
                                    funcDef.wasCloned = true;
                                    funcDef.arguments.removeLast();
                                    def.signalList += funcDef;
                                }
                            } else if (funcDef.isInvokable) {
                                def.methodList += funcDef;
                                while (funcDef.arguments.size() > 0 && funcDef.arguments.last().isDefault) {
                                    funcDef.wasCloned = true;
                                    funcDef.arguments.removeLast();
                                    def.methodList += funcDef;
                                }
                            }
                        }
                    } else {
                        index = rewind;
                    }
                }
            }

            next(RBRACE);

            if (!def.hasQObject && !def.hasQGadget && def.signalList.isEmpty() && def.slotList.isEmpty()
                && def.propertyList.isEmpty() && def.enumDeclarations.isEmpty())
                continue; // no meta object code required


            if (!def.hasQObject && !def.hasQGadget)
                error("Class declarations lacks Q_OBJECT macro.");

            checkSuperClasses(&def);
            checkProperties(&def);

            classList += def;
            knownQObjectClasses.insert(def.classname);
            knownQObjectClasses.insert(def.qualified);
        }
    }
}
Exemplo n.º 16
0
Arquivo: moc.cpp Projeto: Fale/qtmoko
void Moc::parseProperty(ClassDef *def)
{
    next(LPAREN);
    PropertyDef propDef;
    QByteArray type = parseType().name;
    if (type.isEmpty())
        error();
    propDef.designable = propDef.scriptable = propDef.stored = "true";
    propDef.user = "******";
    /*
      The Q_PROPERTY construct cannot contain any commas, since
      commas separate macro arguments. We therefore expect users
      to type "QMap" instead of "QMap<QString, QVariant>". For
      coherence, we also expect the same for
      QValueList<QVariant>, the other template class supported by
      QVariant.
    */
    type = normalizeType(type);
    if (type == "QMap")
        type = "QMap<QString,QVariant>";
    else if (type == "QValueList")
        type = "QValueList<QVariant>";
    else if (type == "LongLong")
        type = "qlonglong";
    else if (type == "ULongLong")
        type = "qulonglong";
    propDef.type = type;

    next();
    propDef.name = lexem();
    while (test(IDENTIFIER)) {
        QByteArray l = lexem();
        QByteArray v, v2;
        if (test(LPAREN)) {
            v = lexemUntil(RPAREN);
        } else {
            next(IDENTIFIER);
            v = lexem();
            if (test(LPAREN))
                v2 = lexemUntil(RPAREN);
            else if (v != "true" && v != "false")
                v2 = "()";
        }
        switch (l[0]) {
        case 'R':
            if (l == "READ")
                propDef.read = v;
            else if (l == "RESET")
                propDef.reset = v + v2;
            else
                error(2);
            break;
        case 'S':
            if (l == "SCRIPTABLE")
                propDef.scriptable = v + v2;
            else if (l == "STORED")
                propDef.stored = v + v2;
            else
                error(2);
            break;
        case 'W': if (l != "WRITE") error(2);
            propDef.write = v;
            break;
        case 'D': if (l != "DESIGNABLE") error(2);
            propDef.designable = v + v2;
            break;
        case 'E': if (l != "EDITABLE") error(2);
            propDef.editable = v + v2;
            break;
        case 'N': if (l != "NOTIFY") error(2);
            propDef.notify = v;
            break;
        case 'U': if (l != "USER") error(2);
            propDef.user = v + v2;
            break;
        default:
            error(2);
        }
    }
    next(RPAREN);
    if (propDef.read.isNull()) {
        QByteArray msg;
        msg += "Property declaration ";
        msg += propDef.name;
        msg += " has no READ accessor function. The property will be invalid.";
        warning(msg.constData());
    }
    if(!propDef.notify.isEmpty()) 
        def->notifyableProperties++;

    def->propertyList += propDef;
}
Exemplo n.º 17
0
Type Moc::parseType()
{
    Type type;
    bool hasSignedOrUnsigned = false;
    bool isVoid = false;
    type.firstToken = lookup();
    for (;;) {
        switch (next()) {
            case SIGNED:
            case UNSIGNED:
                hasSignedOrUnsigned = true;
                // fall through
            case CONST:
            case VOLATILE:
                type.name += lexem();
                type.name += ' ';
                if (lookup(0) == VOLATILE)
                    type.isVolatile = true;
                continue;
            case Q_MOC_COMPAT_TOKEN:
            case Q_QT3_SUPPORT_TOKEN:
            case Q_INVOKABLE_TOKEN:
            case Q_SCRIPTABLE_TOKEN:
            case Q_SIGNALS_TOKEN:
            case Q_SLOTS_TOKEN:
            case Q_SIGNAL_TOKEN:
            case Q_SLOT_TOKEN:
                type.name += lexem();
                return type;
            default:
                prev();
                break;
        }
        break;
    }
    test(ENUM) || test(CLASS) || test(STRUCT);
    for(;;) {
        switch (next()) {
        case IDENTIFIER:
            // void mySlot(unsigned myArg)
            if (hasSignedOrUnsigned) {
                prev();
                break;
            }
        case CHAR:
        case SHORT:
        case INT:
        case LONG:
            type.name += lexem();
            // preserve '[unsigned] long long', 'short int', 'long int', 'long double'
            if (test(LONG) || test(INT) || test(DOUBLE)) {
                type.name += ' ';
                prev();
                continue;
            }
            break;
        case FLOAT:
        case DOUBLE:
        case VOID:
        case BOOL:
            type.name += lexem();
            isVoid |= (lookup(0) == VOID);
            break;
        default:
            prev();
            ;
        }
        if (test(LANGLE)) {
            QByteArray templ = lexemUntil(RANGLE);
            for (int i = 0; i < templ.size(); ++i) {
                type.name += templ.at(i);
                if ((templ.at(i) == '<' && i < templ.size()-1 && templ.at(i+1) == ':')
                    || (templ.at(i) == '>' && i < templ.size()-1 && templ.at(i+1) == '>')) {
                    type.name += ' ';
                }
            }
        }
        if (test(SCOPE)) {
            type.name += lexem();
            type.isScoped = true;
        } else {
            break;
        }
    }
    while (test(CONST) || test(VOLATILE) || test(SIGNED) || test(UNSIGNED)
           || test(STAR) || test(AND) || test(ANDAND)) {
        type.name += ' ';
        type.name += lexem();
        if (lookup(0) == AND)
            type.referenceType = Type::Reference;
        else if (lookup(0) == ANDAND)
            type.referenceType = Type::RValueReference;
        else if (lookup(0) == STAR)
            type.referenceType = Type::Pointer;
    }
    // transform stupid things like 'const void' or 'void const' into 'void'
    if (isVoid && type.referenceType == Type::NoReference) {
        type.name = "void";
    }
    return type;
}