Example #1
0
/**
 * Parsing the statement 'enum'.
 * @return   success status of parsing
 */
bool CSharpImport::parseStmtEnum()
{
    const QString& name = advance();
    log("enum " + name);
    UMLObject *ns = Import_Utils::createUMLObject(UMLObject::ot_Enum,
                        name, m_scope[m_scopeIndex], m_comment);
    UMLEnum *enumType = static_cast<UMLEnum*>(ns);
    skipStmt("{");
    while (m_srcIndex < m_source.count() - 1 && advance() != "}") {
        Import_Utils::addEnumLiteral(enumType, m_source[m_srcIndex]);
        QString next = advance();
        if (next == "{" || next == "(") {
            if (! skipToClosing(next[0]))
                return false;
            next = advance();
        }
        if (next != ",") {
            if (next == ";") {
                // @todo handle methods in enum
                // For now, we cheat (skip them)
                m_source[m_srcIndex] = '{';
                if (! skipToClosing('{'))
                    return false;
            }
            break;
        }
    }
    return true;
}
Example #2
0
/**
 * Parsing the statement 'namespace'.
 * @return   success status of parsing
 */
bool CSharpImport::parseStmtNamespace()
{
    QString m_currentNamespace = advance();
    log("namespace " + m_currentNamespace);
    // move past {
    skipStmt("{");
    return true;
}
Example #3
0
/**
 * Parsing the statement 'using'.
 * Keep track of imports so we can resolve classes we are dependent on.
 * @return   success status of parsing
 */
bool CSharpImport::parseStmtUsing()
{
    QString import = advance();
    log("using " + import);
    if (import.contains('=')) {
        //this is an alias to represent the namespace name
        //:TODO: import = import + advance();
    }
    m_imports.append(import);

    // move past ;
    skipStmt();
    return true;
}
Example #4
0
/**
 * Check for, and skip over, all modifiers following a method.
 * Set the output arguments on encountering abstract and/or virtual.
 * @param isVirtual   return value, set to true when "virtual" seen
 * @param isAbstract  return value, set to true when "abstract" seen
 */
void PascalImport::checkModifiers(bool& isVirtual, bool& isAbstract)
{
    const int srcLength = m_source.count();
    while (m_srcIndex < srcLength - 1) {
        QString lookAhead = m_source[m_srcIndex + 1].toLower();
        if (lookAhead != "virtual" && lookAhead != "abstract" &&
            lookAhead != "override" &&
            lookAhead != "register" && lookAhead != "cdecl" &&
            lookAhead != "pascal" && lookAhead != "stdcall" &&
            lookAhead != "safecall" && lookAhead != "saveregisters" &&
            lookAhead != "popstack")
            break;
        if (lookAhead == "abstract")
            isAbstract = true;
        else if (lookAhead == "virtual")
            isVirtual = true;
        advance();
        skipStmt();
    }
}
Example #5
0
/**
 * Skip ahead to outermost closing brace.
 * @return  body contents skipped
 */
QString PythonImport::skipBody()
{
    /* During input preprocessing, changes in indentation were replaced by
       braces, and a semicolon was appended to each line ending.
       In order to return the body, we try to reconstruct the original Python
       syntax by reverting those changes.
     */
    QString body;
    if (m_source[m_srcIndex] != QLatin1String("{"))
        skipStmt(QLatin1String("{"));
    bool firstTokenAfterNewline = true;
    int braceNesting = 0;
    QString token;
    while (!(token = advance()).isNull()) {
        if (token == QLatin1String("}")) {
            if (braceNesting <= 0)
                break;
            braceNesting--;
            body += QLatin1Char('\n');
            firstTokenAfterNewline = true;
        } else if (token == QLatin1String("{")) {
            braceNesting++;
            body += QLatin1String(":\n");
            firstTokenAfterNewline = true;
        } else if (token == QLatin1String(";")) {
            body += QLatin1Char('\n');
            firstTokenAfterNewline = true;
        } else {
            if (firstTokenAfterNewline) {
                body += indentation(braceNesting);
                firstTokenAfterNewline = false;
            } else if (body.contains(QRegExp(QLatin1String("\\w$"))) &&
                       token.contains(QRegExp(QLatin1String("^\\w")))) {
                body += QLatin1Char(' ');
            }
            body += token;
        }
    }
    return body;
}
Example #6
0
/**
 * Implement abstract operation from NativeImportBase.
 */
bool AdaImport::parseStmt()
{
    const int srcLength = m_source.count();
    QString keyword = m_source[m_srcIndex];
    UMLDoc *umldoc = UMLApp::app()->document();
    //uDebug() << '"' << keyword << '"';
    if (keyword == QLatin1String("with")) {
        if (m_inGenericFormalPart) {
            // mapping of generic formal subprograms or packages is not yet implemented
            return false;
        }
        while (++m_srcIndex < srcLength && m_source[m_srcIndex] != QLatin1String(";")) {
            QStringList components = m_source[m_srcIndex].toLower().split(QLatin1Char('.'));
            const QString& prefix = components.first();
            if (prefix == QLatin1String("system")
                || prefix == QLatin1String("ada")
                || prefix == QLatin1String("gnat")
                || prefix == QLatin1String("interfaces")
                || prefix == QLatin1String("text_io")
                || prefix == QLatin1String("unchecked_conversion")
                || prefix == QLatin1String("unchecked_deallocation")) {
                if (advance() != QLatin1String(","))
                    break;
                continue;
            }
            parseStems(components);
            if (advance() != QLatin1String(","))
                break;
        }
        return true;
    }
    if (keyword == QLatin1String("generic")) {
        m_inGenericFormalPart = true;
        return true;
    }
    if (keyword == QLatin1String("package")) {
        const QString& name = advance();
        QStringList parentPkgs = name.toLower().split(QLatin1Char('.'));
        parentPkgs.pop_back();  // exclude the current package
        parseStems(parentPkgs);
        UMLObject *ns = NULL;
        if (advance() == QLatin1String("is")) {
            ns = Import_Utils::createUMLObject(UMLObject::ot_Package, name,
                                               currentScope(), m_comment);
            if (m_source[m_srcIndex + 1] == QLatin1String("new")) {
                m_srcIndex++;
                QString pkgName = advance();
                UMLObject *gp = Import_Utils::createUMLObject(UMLObject::ot_Package, pkgName,
                                                              currentScope());
                gp->setStereotype(QLatin1String("generic"));
                // Add binding from instantiator to instantiatee
                UMLAssociation *assoc = new UMLAssociation(Uml::AssociationType::Dependency, ns, gp);
                assoc->setUMLPackage(umldoc->rootFolder(Uml::ModelType::Logical));
                assoc->setStereotype(QLatin1String("bind"));
                // Work around missing display of stereotype in AssociationWidget:
                assoc->setName(assoc->stereotype(true));
                umldoc->addAssociation(assoc);
                skipStmt();
            } else {
                pushScope(static_cast<UMLPackage*>(ns));
            }
        } else if (m_source[m_srcIndex] == QLatin1String("renames")) {
            m_renaming[name] = advance();
        } else {
            uError() << "unexpected: " << m_source[m_srcIndex];
            skipStmt(QLatin1String("is"));
        }
        if (m_inGenericFormalPart) {
            if (ns)
                ns->setStereotype(QLatin1String("generic"));
            m_inGenericFormalPart = false;
        }
        return true;
    }
    if (m_inGenericFormalPart)
        return false;  // skip generic formal parameter (not yet implemented)
    if (keyword == QLatin1String("subtype")) {
        QString name = advance();
        advance();  // "is"
        QString base = expand(advance());
        base.remove(QLatin1String("Standard."), Qt::CaseInsensitive);
        UMLObject *type = umldoc->findUMLObject(base, UMLObject::ot_UMLObject, currentScope());
        if (type == NULL) {
            type = Import_Utils::createUMLObject(UMLObject::ot_Datatype, base, currentScope());
        }
        UMLObject *subtype = Import_Utils::createUMLObject(type->baseType(), name,
                                                           currentScope(), m_comment);
        UMLAssociation *assoc = new UMLAssociation(Uml::AssociationType::Dependency, subtype, type);
        assoc->setUMLPackage(umldoc->rootFolder(Uml::ModelType::Logical));
        assoc->setStereotype(QLatin1String("subtype"));
        // Work around missing display of stereotype in AssociationWidget:
        assoc->setName(assoc->stereotype(true));
        umldoc->addAssociation(assoc);
        skipStmt();
        return true;
    }
    if (keyword == QLatin1String("type")) {
        QString name = advance();
        QString next = advance();
        if (next == QLatin1String("(")) {
            uDebug() << name << ": discriminant handling is not yet implemented";
            // @todo Find out how to map discriminated record to UML.
            //       For now, we just create a pro forma empty record.
            Import_Utils::createUMLObject(UMLObject::ot_Class, name, currentScope(),
                                          m_comment, QLatin1String("record"));
            skipStmt(QLatin1String("end"));
            if ((next = advance()) == QLatin1String("case"))
                m_srcIndex += 2;  // skip "case" ";"
            skipStmt();
            return true;
        }
        if (next == QLatin1String(";")) {
            // forward declaration
            Import_Utils::createUMLObject(UMLObject::ot_Class, name, currentScope(),
                                          m_comment);
            return true;
        }
        if (next != QLatin1String("is")) {
            uError() << "expecting \"is\"";
            return false;
        }
        next = advance();
        if (next == QLatin1String("(")) {
            // enum type
            UMLObject *ns = Import_Utils::createUMLObject(UMLObject::ot_Enum,
                            name, currentScope(), m_comment);
            UMLEnum *enumType = static_cast<UMLEnum*>(ns);
            while ((next = advance()) != QLatin1String(")")) {
                Import_Utils::addEnumLiteral(enumType, next, m_comment);
                m_comment.clear();
                if (advance() != QLatin1String(","))
                    break;
            }
            skipStmt();
            return true;
        }
        bool isTaggedType = false;
        if (next == QLatin1String("abstract")) {
            m_isAbstract = true;
            next = advance();
        }
        if (next == QLatin1String("tagged")) {
            isTaggedType = true;
            next = advance();
        }
        if (next == QLatin1String("limited") ||
            next == QLatin1String("task") ||
            next == QLatin1String("protected") ||
            next == QLatin1String("synchronized")) {
            next = advance();  // we can't (yet?) represent that
        }
        if (next == QLatin1String("private") ||
            next == QLatin1String("interface") ||
            next == QLatin1String("record") ||
            (next == QLatin1String("null") &&
             m_source[m_srcIndex+1] == QLatin1String("record"))) {
            UMLObject::ObjectType t = (next == QLatin1String("interface") ? UMLObject::ot_Interface
                                                                          : UMLObject::ot_Class);
            UMLObject *ns = Import_Utils::createUMLObject(t, name, currentScope(), m_comment);
            if (t == UMLObject::ot_Interface) {
                while ((next = advance()) == QLatin1String("and")) {
                    UMLClassifier *klass = static_cast<UMLClassifier*>(ns);
                    QString base = expand(advance());
                    UMLObject *p = Import_Utils::createUMLObject(UMLObject::ot_Interface, base, currentScope());
                    UMLClassifier *parent = static_cast<UMLClassifier*>(p);
                    Import_Utils::createGeneralization(klass, parent);
                }
            } else {
                ns->setAbstract(m_isAbstract);
            }
            m_isAbstract = false;
            if (isTaggedType) {
                if (! m_classesDefinedInThisScope.contains(ns))
                    m_classesDefinedInThisScope.append(ns);
            } else {
                ns->setStereotype(QLatin1String("record"));
            }
            if (next == QLatin1String("record"))
                m_klass = static_cast<UMLClassifier*>(ns);
            else
                skipStmt();
            return true;
        }
        if (next == QLatin1String("new")) {
            QString base = expand(advance());
            QStringList baseInterfaces;
            while ((next = advance()) == QLatin1String("and")) {
                baseInterfaces.append(expand(advance()));
            }
            const bool isExtension = (next == QLatin1String("with"));
            UMLObject::ObjectType t;
            if (isExtension || m_isAbstract) {
                t = UMLObject::ot_Class;
            } else {
                base.remove(QLatin1String("Standard."), Qt::CaseInsensitive);
                UMLObject *known = umldoc->findUMLObject(base, UMLObject::ot_UMLObject, currentScope());
                t = (known ? known->baseType() : UMLObject::ot_Datatype);
            }
            UMLObject *ns = Import_Utils::createUMLObject(t, base, NULL);
            UMLClassifier *parent = static_cast<UMLClassifier*>(ns);
            ns = Import_Utils::createUMLObject(t, name, currentScope(), m_comment);
            if (isExtension) {
                next = advance();
                if (next == QLatin1String("null") || next == QLatin1String("record")) {
                    UMLClassifier *klass = static_cast<UMLClassifier*>(ns);
                    Import_Utils::createGeneralization(klass, parent);
                    if (next == QLatin1String("record")) {
                        // Set the m_klass for attributes.
                        m_klass = klass;
                    }
                    if (baseInterfaces.count()) {
                        t = UMLObject::ot_Interface;
                        QStringList::Iterator end(baseInterfaces.end());
                        for (QStringList::Iterator bi(baseInterfaces.begin()); bi != end; ++bi) {
                             ns = Import_Utils::createUMLObject(t, *bi, currentScope());
                             parent = static_cast<UMLClassifier*>(ns);
                             Import_Utils::createGeneralization(klass, parent);
                        }
                    }
                }
            }
            skipStmt();
            return true;
        }
        // Datatypes: TO BE DONE
        return false;
    }
    if (keyword == QLatin1String("private")) {
        m_currentAccess = Uml::Visibility::Private;
        return true;
    }
    if (keyword == QLatin1String("end")) {
        if (m_klass) {
            if (advance() != QLatin1String("record")) {
                uError() << "end: expecting \"record\" at "
                          << m_source[m_srcIndex];
            }
            m_klass = NULL;
        } else if (scopeIndex()) {
            if (advance() != QLatin1String(";")) {
                QString scopeName = currentScope()->fullyQualifiedName();
                if (scopeName.toLower() != m_source[m_srcIndex].toLower())
                    uError() << "end: expecting " << scopeName << ", found "
                              << m_source[m_srcIndex];
            }
            popScope();
            m_currentAccess = Uml::Visibility::Public;   // @todo make a stack for this
        } else {
            uError() << "importAda: too many \"end\"";
        }
        skipStmt();
        return true;
    }
    // subprogram
    if (keyword == QLatin1String("not"))
        keyword = advance();
    if (keyword == QLatin1String("overriding"))
        keyword = advance();
    if (keyword == QLatin1String("function") || keyword == QLatin1String("procedure")) {
        const QString& name = advance();
        QString returnType;
        if (advance() != QLatin1String("(")) {
            // Unlike an Ada package, a UML package does not support
            // subprograms.
            // In order to map those, we would need to create a UML
            // class with stereotype <<utility>> for the Ada package.
            uDebug() << "ignoring parameterless " << keyword << " " << name;
            skipStmt();
            return true;
        }
        UMLClassifier *klass = NULL;
        UMLOperation *op = NULL;
        const uint MAX_PARNAMES = 16;
        while (m_srcIndex < srcLength && m_source[m_srcIndex] != QLatin1String(")")) {
            QString parName[MAX_PARNAMES];
            uint parNameCount = 0;
            do {
                if (parNameCount >= MAX_PARNAMES) {
                    uError() << "MAX_PARNAMES is exceeded at " << name;
                    break;
                }
                parName[parNameCount++] = advance();
            } while (advance() == QLatin1String(","));
            if (m_source[m_srcIndex] != QLatin1String(":")) {
                uError() << "importAda: expecting ':'";
                skipStmt();
                break;
            }
            const QString &direction = advance();
            QString typeName;
            Uml::ParameterDirection::Enum dir = Uml::ParameterDirection::In;
            if (direction == QLatin1String("access")) {
                // Oops, we have to improvise here because there
                // is no such thing as "access" in UML.
                // So we use the next best thing, "inout".
                // Better ideas, anyone?
                dir = Uml::ParameterDirection::InOut;
                typeName = advance();
            } else if (direction == QLatin1String("in")) {
                if (m_source[m_srcIndex + 1] == QLatin1String("out")) {
                    dir = Uml::ParameterDirection::InOut;
                    m_srcIndex++;
                }
                typeName = advance();
            } else if (direction == QLatin1String("out")) {
                dir = Uml::ParameterDirection::Out;
                typeName = advance();
            } else {
                typeName = direction;  // In Ada, the default direction is "in"
            }
            typeName.remove(QLatin1String("Standard."), Qt::CaseInsensitive);
            typeName = expand(typeName);
            if (op == NULL) {
                // In Ada, the first parameter indicates the class.
                UMLObject *type = Import_Utils::createUMLObject(UMLObject::ot_Class, typeName, currentScope());
                UMLObject::ObjectType t = type->baseType();
                if ((t != UMLObject::ot_Interface &&
                     (t != UMLObject::ot_Class || type->stereotype() == QLatin1String("record"))) ||
                    !m_classesDefinedInThisScope.contains(type)) {
                    // Not an instance bound method - we cannot represent it.
                    skipStmt(QLatin1String(")"));
                    break;
                }
                klass = static_cast<UMLClassifier*>(type);
                op = Import_Utils::makeOperation(klass, name);
                // The controlling parameter is suppressed.
                parNameCount--;
                if (parNameCount) {
                    for (uint i = 0; i < parNameCount; ++i) {
                        parName[i] = parName[i + 1];
                    }
                }
            }
            for (uint i = 0; i < parNameCount; ++i) {
                UMLAttribute *att = Import_Utils::addMethodParameter(op, typeName, parName[i]);
                att->setParmKind(dir);
            }
            if (advance() != QLatin1String(";"))
                break;
        }
        if (keyword == QLatin1String("function")) {
            if (advance() != QLatin1String("return")) {
                if (klass)
                    uError() << "importAda: expecting \"return\" at function "
                        << name;
                return false;
            }
            returnType = expand(advance());
            returnType.remove(QLatin1String("Standard."), Qt::CaseInsensitive);
        }
        bool isAbstract = false;
        if (advance() == QLatin1String("is") && advance() == QLatin1String("abstract"))
            isAbstract = true;
        if (klass != NULL && op != NULL)
            Import_Utils::insertMethod(klass, op, m_currentAccess, returnType,
                                       false, isAbstract, false, false, m_comment);
        skipStmt();
        return true;
    }
    if (keyword == QLatin1String("task") || keyword == QLatin1String("protected")) {
        // Can task and protected objects/types be mapped to UML?
        QString name = advance();
        if (name == QLatin1String("type")) {
            name = advance();
        }
        QString next = advance();
        if (next == QLatin1String("(")) {
            skipStmt(QLatin1String(")"));  // skip discriminant
            next = advance();
        }
        if (next == QLatin1String("is"))
            skipStmt(QLatin1String("end"));
        skipStmt();
        return true;
    }
    if (keyword == QLatin1String("for")) {    // rep spec
        QString typeName = advance();
        QString next = advance();
        if (next == QLatin1String("'")) {
            advance();  // skip qualifier
            next = advance();
        }
        if (next == QLatin1String("use")) {
            if (advance() == QLatin1String("record"))
                skipStmt(QLatin1String("end"));
        } else {
            uError() << "importAda: expecting \"use\" at rep spec of "
                      << typeName;
        }
        skipStmt();
        return true;
    }
    // At this point we're only interested in attribute declarations.
    if (m_klass == NULL || keyword == QLatin1String("null")) {
        skipStmt();
        return true;
    }
    const QString& name = keyword;
    if (advance() != QLatin1String(":")) {
        uError() << "adaImport: expecting \":\" at " << name << " "
                  << m_source[m_srcIndex];
        skipStmt();
        return true;
    }
    QString nextToken = advance();
    if (nextToken == QLatin1String("aliased"))
        nextToken = advance();
    QString typeName = expand(nextToken);
    QString initialValue;
    if (advance() == QLatin1String(":=")) {
        initialValue = advance();
        QString token;
        while ((token = advance()) != QLatin1String(";")) {
            initialValue.append(QLatin1Char(' ') + token);
        }
    }
    UMLObject *o = Import_Utils::insertAttribute(m_klass, m_currentAccess, name,
                                                 typeName, m_comment);
    if (o) {
        UMLAttribute *attr = static_cast<UMLAttribute*>(o);
        attr->setInitialValue(initialValue);
    }
    skipStmt();
    return true;
}
Example #7
0
/**
 * Implement abstract operation from NativeImportBase.
 * @return success status of operation
 */
bool JavaImport::parseStmt()
{
    const int srcLength = m_source.count();
    const QString& keyword = m_source[m_srcIndex];
    //uDebug() << '"' << keyword << '"';
    if (keyword == "package") {
        m_currentPackage = advance();
        const QString& qualifiedName = m_currentPackage;
        const QStringList names = qualifiedName.split('.');
        for (QStringList::ConstIterator it = names.begin(); it != names.end(); ++it) {
            QString name = (*it);
            log(keyword + ' ' + name);
            UMLObject *ns = Import_Utils::createUMLObject(UMLObject::ot_Package,
                            name, m_scope[m_scopeIndex], m_comment);
            m_scope[++m_scopeIndex] = static_cast<UMLPackage*>(ns);
        }
        if (advance() != ";") {
            uError() << "importJava: unexpected: " << m_source[m_srcIndex];
            skipStmt();
        }
        return true;
    }
    if (keyword == "class" || keyword == "interface") {
        const QString& name = advance();
        const UMLObject::ObjectType t = (keyword == "class" ? UMLObject::ot_Class : UMLObject::ot_Interface);
        log(keyword + ' ' + name);
        UMLObject *ns = Import_Utils::createUMLObject(t, name, m_scope[m_scopeIndex], m_comment);
        m_scope[++m_scopeIndex] = m_klass = static_cast<UMLClassifier*>(ns);
        m_klass->setAbstract(m_isAbstract);
        m_klass->setStatic(m_isStatic);
        m_klass->setVisibility(m_currentAccess);
        // The UMLObject found by createUMLObject might originally have been created as a
        // placeholder with a type of class but if is really an interface, then we need to
        // change it.
        UMLObject::ObjectType ot = (keyword == "interface" ? UMLObject::ot_Interface : UMLObject::ot_Class);
        m_klass->setBaseType(ot);
        m_isAbstract = m_isStatic = false;
        // if no modifier is specified in an interface, then it means public
        if ( m_klass->isInterface() ) {
            m_defaultCurrentAccess =  Uml::Visibility::Public;
        }
        if (advance() == ";")   // forward declaration
            return true;
        if (m_source[m_srcIndex] == "<") {
            // template args - preliminary, rudimentary implementation
            // @todo implement all template arg syntax
            uint start = m_srcIndex;
            if (! skipToClosing('<')) {
                uError() << "importJava(" << name << "): template syntax error";
                return false;
            }
            while (1) {
                const QString arg = m_source[++start];
                if (! arg.contains( QRegExp("^[A-Za-z_]") )) {
                    uDebug() << "importJava(" << name << "): cannot handle template syntax ("
                        << arg << ")";
                    break;
                }
                /* UMLTemplate *tmpl = */ m_klass->addTemplate(arg);
                const QString next = m_source[++start];
                if (next == ">")
                    break;
                if (next != ",") {
                    uDebug() << "importJava(" << name << "): cannot handle template syntax ("
                        << next << ")";
                    break;
                }
            }
            advance();  // skip over ">"
        }
        if (m_source[m_srcIndex] == "extends") {
            const QString& baseName = advance();
            // try to resolve the class we are extending, or if impossible
            // create a placeholder
            UMLObject *parent = resolveClass( baseName );
            if ( parent ) {
                Import_Utils::createGeneralization(m_klass, static_cast<UMLClassifier*>(parent));
            } else {
                uDebug() << "importJava parentClass " << baseName
                    << " is not resolveable. Creating placeholder";
                Import_Utils::createGeneralization(m_klass, baseName);
            }
            advance();
        }
        if (m_source[m_srcIndex] == "implements") {
            while (m_srcIndex < srcLength - 1 && advance() != "{") {
                const QString& baseName = m_source[m_srcIndex];
                // try to resolve the interface we are implementing, if this fails
                // create a placeholder
                UMLObject *interface = resolveClass( baseName );
                if ( interface ) {
                     Import_Utils::createGeneralization(m_klass, static_cast<UMLClassifier*>(interface));
                } else {
                    uDebug() << "importJava implementing interface "<< baseName
                        <<" is not resolvable. Creating placeholder";
                    Import_Utils::createGeneralization(m_klass, baseName);
                }
                if (advance() != ",")
                    break;
            }
        }
        if (m_source[m_srcIndex] != "{") {
            uError() << "importJava: ignoring excess chars at " << name
                << " (" << m_source[m_srcIndex] << ")";
            skipStmt("{");
        }
        return true;
    }
    if (keyword == "enum") {
        const QString& name = advance();
        log(keyword + ' ' + name);
        UMLObject *ns = Import_Utils::createUMLObject(UMLObject::ot_Enum,
                        name, m_scope[m_scopeIndex], m_comment);
        UMLEnum *enumType = static_cast<UMLEnum*>(ns);
        skipStmt("{");
        while (m_srcIndex < srcLength - 1 && advance() != "}") {
            Import_Utils::addEnumLiteral(enumType, m_source[m_srcIndex]);
            QString next = advance();
            if (next == "{" || next == "(") {
                if (! skipToClosing(next[0]))
                    return false;
                next = advance();
            }
            if (next != ",") {
                if (next == ";") {
                    // @todo handle methods in enum
                    // For now, we cheat (skip them)
                    m_source[m_srcIndex] = '{';
                    if (! skipToClosing('{'))
                        return false;
                }
                break;
            }
        }
        return true;
    }
    if (keyword == "static") {
        m_isStatic = true;
        return true;
    }
    // if we detected static previously and keyword is { then this is a static block
    if (m_isStatic && keyword == "{") {
        // reset static flag and jump to end of static block
        m_isStatic = false;
        return skipToClosing('{');
    }
    if (keyword == "abstract") {
        m_isAbstract = true;
        return true;
    }
    if (keyword == "public") {
        m_currentAccess = Uml::Visibility::Public;
        return true;
    }
    if (keyword == "protected") {
        m_currentAccess = Uml::Visibility::Protected;
        return true;
    }
    if (keyword == "private") {
        m_currentAccess = Uml::Visibility::Private;
        return true;
    }
    if (keyword == "final" ||
        keyword == "native" ||
        keyword == "synchronized" ||
        keyword == "transient" ||
        keyword == "volatile") {
        //@todo anything to do here?
        return true;
    }
    if (keyword == "import") {
        // keep track of imports so we can resolve classes we are dependent on
        QString import = advance();
        if ( import.endsWith('.') ) {
            //this most likely an import that ends with a *
            //
            import = import + advance();
        }
        m_imports.append( import );

        // move past ;
        skipStmt();
        return true;
    }
    if (keyword == "@") {  // annotation
        advance();
        if (m_source[m_srcIndex + 1] == "(") {
            advance();
            skipToClosing('(');
        }
        return true;
    }
    if (keyword == "}") {
        if (m_scopeIndex)
            m_klass = dynamic_cast<UMLClassifier*>(m_scope[--m_scopeIndex]);
        else
            uError() << "importJava: too many }";
        return true;
    }
    // At this point, we expect `keyword' to be a type name
    // (of a member of class or interface, or return type
    // of an operation.) Up next is the name of the attribute
    // or operation.
    if (! keyword.contains( QRegExp("^\\w") )) {
        uError() << "importJava: ignoring " << keyword <<
            " at " << m_srcIndex << ", " << m_source.count() << " in " << m_klass->name();
        return false;
    }
    QString typeName = m_source[m_srcIndex];
    typeName = joinTypename(typeName);
    // At this point we need a class.
    if (m_klass == NULL) {
        uError() << "importJava: no class set for " << typeName;
        return false;
    }
    QString name = advance();
    QString nextToken;
    if (typeName == m_klass->name() && name == "(") {
        // Constructor.
        nextToken = name;
        name = typeName;
        typeName.clear();
    } else {
        nextToken = advance();
    }
    if (name.contains( QRegExp("\\W") )) {
        uError() << "importJava: expecting name in " << name;
        return false;
    }
    if (nextToken == "(") {
        // operation
        UMLOperation *op = Import_Utils::makeOperation(m_klass, name);
        m_srcIndex++;
        while (m_srcIndex < srcLength && m_source[m_srcIndex] != ")") {
            QString typeName = m_source[m_srcIndex];
            if ( typeName == "final" || typeName.startsWith( "//") ) {
                // ignore the "final" keyword and any comments in method args
                typeName = advance();
            }
            typeName = joinTypename(typeName);
            QString parName = advance();
            // the Class might not be resolved yet so resolve it if necessary
            UMLObject *obj = resolveClass(typeName);
            if (obj) {
                // by prepending the package, unwanted placeholder types will not get created
                typeName = obj->fullyQualifiedName(".");
            }
            /* UMLAttribute *att = */ Import_Utils::addMethodParameter(op, typeName, parName);
            if (advance() != ",")
                break;
            m_srcIndex++;
        }
        // before adding the method, try resolving the return type
        UMLObject *obj = resolveClass(typeName);
        if (obj) {
            // using the fully qualified name means that a placeholder type will not be created.
            typeName = obj->fullyQualifiedName(".");
        }
        Import_Utils::insertMethod(m_klass, op, m_currentAccess, typeName,
                                   m_isStatic, m_isAbstract, false /*isFriend*/,
                                   false /*isConstructor*/, m_comment);
        m_isAbstract = m_isStatic = false;
        // reset the default visibility
        m_currentAccess = m_defaultCurrentAccess;
        // At this point we do not know whether the method has a body or not.
        do {
            nextToken = advance();
        } while (nextToken != "{" && nextToken != ";");
        if (nextToken == ";") {
            // No body (interface or abstract)
            return true;
        } else {
            return skipToClosing('{');
        }
    }
    // At this point we know it's some kind of attribute declaration.
    while (1) {
        while (nextToken != "," && nextToken != ";") {
            if (nextToken == "=") {
                if ((nextToken = advance()) == "new") {
                    advance();
                    if ((nextToken = advance()) == "(") {
                        skipToClosing('(');
                        if ((nextToken = advance()) == "{") {
                            skipToClosing('{');
                        } else {
                            skipStmt();
                            break;
                        }
                    } else {
                        skipStmt();
                        break;
                    }
                } else {
                    skipStmt();
                    break;
                }
            } else {
                name += nextToken;  // add possible array dimensions to `name'
            }
            nextToken = advance();
            if (nextToken.isEmpty()) {
                break;
            }
        }
        // try to resolve the class type, or create a placeholder if that fails
        UMLObject *type = resolveClass( typeName );
        UMLObject *o;
        if (type) {
            o = Import_Utils::insertAttribute(m_klass, m_currentAccess, name,
                                           static_cast<UMLClassifier*>(type), m_comment, m_isStatic);
        } else {
            o = Import_Utils::insertAttribute(m_klass, m_currentAccess, name,
                                                  typeName, m_comment, m_isStatic);
        }
        // UMLAttribute *attr = static_cast<UMLAttribute*>(o);
        if (nextToken != ",") {
            // reset the modifiers
            m_isStatic = m_isAbstract = false;
            break;
        }
        name = advance();
        nextToken = advance();
    }
    // reset visibility to default
    m_currentAccess = m_defaultCurrentAccess;
    if (m_srcIndex < m_source.count()) {
        if (m_source[m_srcIndex] != ";") {
            uError() << "importJava: ignoring trailing items at " << name;
            skipStmt();
        }
    }
    else {
        uError() << "index out of range: ignoring statement " << name;
        skipStmt();
    }
    return true;
}
Example #8
0
/**
 * Implement abstract operation from NativeImportBase.
 * @return success status of operation
 */
bool PythonImport::parseStmt()
{
    const int srcLength = m_source.count();
    const QString& keyword = m_source[m_srcIndex];
    if (keyword == "class") {
        const QString& name = advance();
        UMLObject *ns = Import_Utils::createUMLObject(UMLObject::ot_Class, name,
                                                      m_scope[m_scopeIndex], m_comment);
        m_scope[++m_scopeIndex] = m_klass = static_cast<UMLClassifier*>(ns);
        m_comment.clear();
        if (advance() == "(") {
            while (m_srcIndex < srcLength - 1 && advance() != ")") {
                const QString& baseName = m_source[m_srcIndex];
                Import_Utils::createGeneralization(m_klass, baseName);
                if (advance() != ",")
                    break;
            }
        }
        if (m_source[m_srcIndex] != "{") {
            skipStmt("{");
        }
        log("class " + name);
        return true;
    }
    if (keyword == "def") {
        if (m_klass == NULL) {
            // skip functions outside of a class
            skipBody();
            return true;
        }
        const QString& name = advance();
        // operation
        UMLOperation *op = Import_Utils::makeOperation(m_klass, name);
        if (advance() != "(") {
            uError() << "importPython def " << name << ": expecting \"(\"";
            skipBody();
            return true;
        }
        while (m_srcIndex < srcLength && advance() != ")") {
            const QString& parName = m_source[m_srcIndex];
            /*UMLAttribute *att =*/ Import_Utils::addMethodParameter(op, "string", parName);
            if (advance() != ",")
                break;
        }
        Import_Utils::insertMethod(m_klass, op, Uml::Visibility::Public, "string",
                                   false /*isStatic*/, false /*isAbstract*/, false /*isFriend*/,
                                   false /*isConstructor*/, m_comment);
        op->setSourceCode(skipBody());
        log("def " + name);

        return true;
    }
    if (keyword == "}") {
        if (m_scopeIndex)
            m_klass = dynamic_cast<UMLClassifier*>(m_scope[--m_scopeIndex]);
        else
            uError() << "parsing: too many }";
        return true;
    }
    return false;  // @todo parsing of attributes
}
Example #9
0
/**
 * Implement abstract operation from NativeImportBase.
 * @return success status of operation
 */
bool PythonImport::parseStmt()
{
    const int srcLength = m_source.count();
    const QString& keyword = m_source[m_srcIndex];
    if (keyword == QLatin1String("class")) {
        const QString& name = advance();
        UMLObject *ns = Import_Utils::createUMLObject(UMLObject::ot_Class, name,
                                                      currentScope(), m_comment);
        pushScope(m_klass = static_cast<UMLClassifier*>(ns));
        m_comment.clear();
        if (advance() == QLatin1String("(")) {
            while (m_srcIndex < srcLength - 1 && advance() != QLatin1String(")")) {
                const QString& baseName = m_source[m_srcIndex];
                Import_Utils::createGeneralization(m_klass, baseName);
                if (advance() != QLatin1String(","))
                    break;
            }
        }
        if (m_source[m_srcIndex] != QLatin1String("{")) {
            skipStmt(QLatin1String("{"));
        }
        log(QLatin1String("class ") + name);
        return true;
    }
    if (keyword == QLatin1String("@")) {
        const QString& annotation = m_source[++m_srcIndex];
        uDebug() << "annotation:" << annotation;
        if (annotation == QLatin1String("staticmethod"))
            m_isStatic = true;
        return true;
    }
    if (keyword == QLatin1String("def")) {
        if (m_klass == NULL) {
            // skip functions outside of a class
            skipBody();
            return true;
        }

        if (!m_klass->hasDoc() && !m_comment.isEmpty()) {
            m_klass->setDoc(m_comment);
            m_comment = QString();
        }

        const QString& name = advance();
        // operation
        UMLOperation *op = Import_Utils::makeOperation(m_klass, name);
        if (advance() != QLatin1String("(")) {
            uError() << "importPython def " << name << ": expecting \"(\"";
            skipBody();
            return true;
        }
        bool firstParam = true;
        while (m_srcIndex < srcLength && advance() != QLatin1String(")")) {
            const QString& parName = m_source[m_srcIndex];
            if (firstParam) {
                if (parName.compare(QLatin1String("self"), Qt::CaseInsensitive) != 0) {
                    m_isStatic = true;
                    Import_Utils::addMethodParameter(op, QLatin1String("string"), parName);
                }
                firstParam = false;
            } else {
                /*UMLAttribute *att =*/ Import_Utils::addMethodParameter(op, QLatin1String("string"), parName);
            }
            if (advance() != QLatin1String(","))
                break;
        }
        Import_Utils::insertMethod(m_klass, op, Uml::Visibility::Public, QLatin1String("string"),
                                   m_isStatic, false /*isAbstract*/, false /*isFriend*/,
                                   false /*isConstructor*/, m_comment);
        m_isStatic = false;
        op->setSourceCode(skipBody());

        if (!op->hasDoc() && !m_comment.isEmpty()) {
            op->setDoc(m_comment);
            m_comment = QString();
        }
        log(QLatin1String("def ") + name);

        return true;
    }
    if (keyword == QLatin1String("}")) {
        if (scopeIndex()) {
            m_klass = dynamic_cast<UMLClassifier*>(popScope());
        }
        else
            uError() << "parsing: too many }";
        return true;
    }
    return false;  // @todo parsing of attributes
}
Example #10
0
/**
 * Implement abstract operation from NativeImportBase.
 * @return success status of operation
 */
bool PascalImport::parseStmt()
{
    const int srcLength = m_source.count();
    QString keyword = m_source[m_srcIndex].toLower();
    //uDebug() << '"' << keyword << '"';
    if (keyword == "uses") {
        while (m_srcIndex < srcLength - 1) {
            QString unit = advance();
            const QString& prefix = unit.toLower();
            if (prefix == "sysutils" || prefix == "types" || prefix == "classes" ||
                prefix == "graphics" || prefix == "controls" || prefix == "strings" ||
                prefix == "forms" || prefix == "windows" || prefix == "messages" ||
                prefix == "variants" || prefix == "stdctrls" || prefix == "extctrls" ||
                prefix == "activex" || prefix == "comobj" || prefix == "registry" ||
                prefix == "classes" || prefix == "dialogs") {
                if (advance() != ",")
                    break;
                continue;
            }
            QString filename = unit + ".pas";
            if (! m_parsedFiles.contains(unit)) {
                // Save current m_source and m_srcIndex.
                QStringList source(m_source);
                uint srcIndex = m_srcIndex;
                m_source.clear();
                parseFile(filename);
                // Restore m_source and m_srcIndex.
                m_source = source;
                m_srcIndex = srcIndex;
                // Also reset m_currentAccess.
                // CHECK: need to reset more stuff?
                m_currentAccess = Uml::Visibility::Public;
            }
            if (advance() != ",")
                break;
        }
        return true;
    }
    if (keyword == "unit") {
        const QString& name = advance();
        UMLObject *ns = Import_Utils::createUMLObject(Uml::ot_Package, name,
                                                      m_scope[m_scopeIndex], m_comment);
        m_scope[++m_scopeIndex] = static_cast<UMLPackage*>(ns);
        skipStmt();
        return true;
    }
    if (keyword == "interface") {
        m_inInterface = true;
        return true;
    }
    if (keyword == "initialization" || keyword == "implementation") {
        m_inInterface = false;
        return true;
    }
    if (! m_inInterface) {
        // @todo parseStmt() should support a notion for "quit parsing, close file immediately"
        return false;
    }
    if (keyword == "label") {
        m_section = sect_LABEL;
        return true;
    }
    if (keyword == "const") {
        m_section = sect_CONST;
        return true;
    }
    if (keyword == "resourcestring") {
        m_section = sect_RESOURCESTRING;
        return true;
    }
    if (keyword == "type") {
        m_section = sect_TYPE;
        return true;
    }
    if (keyword == "var") {
        m_section = sect_VAR;
        return true;
    }
    if (keyword == "threadvar") {
        m_section = sect_THREADVAR;
        return true;
    }
    if (keyword == "automated" || keyword == "published"  // no concept in UML
     || keyword == "public") {
        m_currentAccess = Uml::Visibility::Public;
        return true;
    }
    if (keyword == "protected") {
        m_currentAccess = Uml::Visibility::Protected;
        return true;
    }
    if (keyword == "private") {
        m_currentAccess = Uml::Visibility::Private;
        return true;
    }
    if (keyword == "packed") {
        return true;  // TBC: perhaps this could be stored in a TaggedValue
    }
    if (keyword == "[") {
        skipStmt("]");
        return true;
    }
    if (keyword == "end") {
        if (m_klass) {
            m_klass = NULL;
        } else if (m_scopeIndex) {
            m_scopeIndex--;
            m_currentAccess = Uml::Visibility::Public;
        } else {
            uError() << "importPascal: too many \"end\"";
        }
        skipStmt();
        return true;
    }
    if (keyword == "function" || keyword == "procedure" ||
        keyword == "constructor" || keyword == "destructor") {
        if (m_klass == NULL) {
            // Unlike a Pascal unit, a UML package does not support subprograms.
            // In order to map those, we would need to create a UML class with
            // stereotype <<utility>> for the unit, http://bugs.kde.org/89167
            bool dummyVirtual = false;
            bool dummyAbstract = false;
            checkModifiers(dummyVirtual, dummyAbstract);
            return true;
        }
        const QString& name = advance();
        UMLOperation *op = Import_Utils::makeOperation(m_klass, name);
        if (m_source[m_srcIndex + 1] == "(") {
            advance();
            const uint MAX_PARNAMES = 16;
            while (m_srcIndex < srcLength && m_source[m_srcIndex] != ")") {
                QString nextToken = m_source[m_srcIndex + 1].toLower();
                Uml::Parameter_Direction dir = Uml::pd_In;
                if (nextToken == "var") {
                    dir = Uml::pd_InOut;
                    advance();
                } else if (nextToken == "const") {
                    advance();
                } else if (nextToken == "out") {
                    dir = Uml::pd_Out;
                    advance();
                }
                QString parName[MAX_PARNAMES];
                uint parNameCount = 0;
                do {
                    if (parNameCount >= MAX_PARNAMES) {
                        uError() << "MAX_PARNAMES is exceeded at " << name;
                        break;
                    }
                    parName[parNameCount++] = advance();
                } while (advance() == ",");
                if (m_source[m_srcIndex] != ":") {
                    uError() << "importPascal: expecting ':' at " << m_source[m_srcIndex];
                    skipStmt();
                    break;
                }
                nextToken = advance();
                if (nextToken.toLower() == "array") {
                    nextToken = advance().toLower();
                    if (nextToken != "of") {
                        uError() << "importPascal(" << name << "): expecting 'array OF' at "
                                  << nextToken;
                        skipStmt();
                        return false;
                    }
                    nextToken = advance();
                }
                for (uint i = 0; i < parNameCount; ++i) {
                    UMLAttribute *att = Import_Utils::addMethodParameter(op, nextToken, parName[i]);
                    att->setParmKind(dir);
                }
                if (advance() != ";")
                    break;
            }
        }
        QString returnType;
        if (keyword == "function") {
            if (advance() != ":") {
                uError() << "importPascal: expecting \":\" at function "
                        << name;
                return false;
            }
            returnType = advance();
        } else if (keyword == "constructor" || keyword == "destructor") {
            op->setStereotype(keyword);
        }
        skipStmt();
        bool isVirtual = false;
        bool isAbstract = false;
        checkModifiers(isVirtual, isAbstract);
        Import_Utils::insertMethod(m_klass, op, m_currentAccess, returnType,
                                   !isVirtual, isAbstract, false, false, m_comment);
        return true;
    }
    if (m_section != sect_TYPE) {
        skipStmt();
        return true;
    }
    if (m_klass == NULL) {
        const QString& name = m_source[m_srcIndex];
        QString nextToken = advance();
        if (nextToken != "=") {
            uDebug() << name << ": expecting '=' at " << nextToken;
            return false;
        }
        keyword = advance().toLower();
        if (keyword == "(") {
            // enum type
            UMLObject *ns = Import_Utils::createUMLObject(Uml::ot_Enum,
                            name, m_scope[m_scopeIndex], m_comment);
            UMLEnum *enumType = static_cast<UMLEnum*>(ns);
            while (++m_srcIndex < srcLength && m_source[m_srcIndex] != ")") {
                Import_Utils::addEnumLiteral(enumType, m_source[m_srcIndex]);
                if (advance() != ",")
                    break;
            }
            skipStmt();
            return true;
        }
        if (keyword == "set") {  // @todo implement Pascal set types
            skipStmt();
            return true;
        }
        if (keyword == "array") {  // @todo implement Pascal array types
            skipStmt();
            return true;
        }
        if (keyword == "file") {  // @todo implement Pascal file types
            skipStmt();
            return true;
        }
        if (keyword == "^") {  // @todo implement Pascal pointer types
            skipStmt();
            return true;
        }
        if (keyword == "class" || keyword == "interface") {
            Uml::Object_Type t = (keyword == "class" ? Uml::ot_Class : Uml::ot_Interface);
            UMLObject *ns = Import_Utils::createUMLObject(t, name,
                                                          m_scope[m_scopeIndex], m_comment);
            UMLClassifier *klass = static_cast<UMLClassifier*>(ns);
            m_comment.clear();
            QString lookAhead = m_source[m_srcIndex + 1];
            if (lookAhead == "(") {
                advance();
                do {
                    QString base = advance();
                    UMLObject *ns = Import_Utils::createUMLObject(Uml::ot_Class, base, NULL);
                    UMLClassifier *parent = static_cast<UMLClassifier*>(ns);
                    m_comment.clear();
                    Import_Utils::createGeneralization(klass, parent);
                } while (advance() == ",");
                if (m_source[m_srcIndex] != ")") {
                    uError() << "PascalImport: expecting \")\" at "
                        << m_source[m_srcIndex];
                    return false;
                }
                lookAhead = m_source[m_srcIndex + 1];
            }
            if (lookAhead == ";") {
                skipStmt();
                return true;
            }
            if (lookAhead == "of") {
                // @todo implement class-reference type
                return false;
            }
            m_klass = klass;
            m_currentAccess = Uml::Visibility::Public;
            return true;
        }
        if (keyword == "record") {
            UMLObject *ns = Import_Utils::createUMLObject(Uml::ot_Class, name,
                                                          m_scope[m_scopeIndex], m_comment);
            ns->setStereotype("record");
            m_klass = static_cast<UMLClassifier*>(ns);
            return true;
        }
        if (keyword == "function" || keyword == "procedure") {
            /*UMLObject *ns =*/ Import_Utils::createUMLObject(Uml::ot_Datatype, name,
                                                          m_scope[m_scopeIndex], m_comment);
            if (m_source[m_srcIndex + 1] == "(")
                skipToClosing('(');
            skipStmt();
            return true;
        }
        // Datatypes: TO BE DONE
        return false;
    }
    // At this point we need a class because we're expecting its member attributes.
    if (m_klass == NULL) {
        uDebug() << "importPascal: skipping " << m_source[m_srcIndex];
        skipStmt();
        return true;
    }
    QString name, stereotype;
    if (keyword == "property") {
        stereotype = keyword;
        name = advance();
    } else {
        name = m_source[m_srcIndex];
    }
    if (advance() != ":") {
        uError() << "PascalImport: expecting \":\" at " << name << " "
                 << m_source[m_srcIndex];
        skipStmt();
        return true;
    }
    QString typeName = advance();
    QString initialValue;
    if (advance() == "=") {
        initialValue = advance();
        QString token;
        while ((token = advance()) != ";") {
            initialValue.append(' ' + token);
        }
    }
    UMLObject *o = Import_Utils::insertAttribute(m_klass, m_currentAccess, name,
                                                 typeName, m_comment);
    UMLAttribute *attr = static_cast<UMLAttribute*>(o);
    attr->setStereotype(stereotype);
    attr->setInitialValue(initialValue);
    skipStmt();
    return true;
}
Example #11
0
/**
 * Implement abstract operation from NativeImportBase.
 * @return success status of operation
 */
bool CSharpImport::parseStmt()
{
    const int srcLength = m_source.count();
    const QString& keyword = m_source[m_srcIndex];
    //uDebug() << '"' << keyword << '"';

    if (keyword == "using") {
        return parseStmtUsing();
    }

    if (keyword == "namespace") {
        return parseStmtNamespace();
    }

//     if (keyword == "package") {
//         m_currentPackage = advance();
//         const QString& qualifiedName = m_currentPackage;
//         const QStringList names = qualifiedName.split('.');
//         for (QStringList::ConstIterator it = names.begin(); it != names.end(); ++it) {
//             QString name = (*it);
//             log(keyword + ' ' + name);
//             UMLObject *ns = Import_Utils::createUMLObject(UMLObject::ot_Package,
//                             name, m_scope[m_scopeIndex], m_comment);
//             m_scope[++m_scopeIndex] = static_cast<UMLPackage*>(ns);
//         }
//         if (advance() != ";") {
//             uError() << "unexpected: " << m_source[m_srcIndex];
//             skipStmt();
//         }
//         return true;
//     }

    if (keyword == "class" || keyword == "interface") {
        return parseStmtClass(keyword);
    }

    if (keyword == "enum") {
        return parseStmtEnum();
    }

    if (keyword == "static") {
        m_isStatic = true;
        return true;
    }

    // if we detected static previously and keyword is { then this is a static block
    if (m_isStatic && keyword == "{") {
        // reset static flag and jump to end of static block
        m_isStatic = false;
        return skipToClosing('{');
    }

    if (keyword == "abstract") {
        m_isAbstract = true;
        return true;
    }
    if (keyword == "public") {
        m_currentAccess = Uml::Visibility::Public;
        return true;
    }
    if (keyword == "protected") {
        m_currentAccess = Uml::Visibility::Protected;
        return true;
    }
    if (keyword == "private") {
        m_currentAccess = Uml::Visibility::Private;
        return true;
    }

    if ((keyword == "override") ||
            (keyword == "virtual") ||
            (keyword == "sealed")) {
        //:TODO: anything to do here?
        return true;
    }

    if (keyword == "#") {   // preprocessor directives
        QString ppdKeyword = advance();
        uDebug() << "found preprocessor directive " << ppdKeyword;
        //:TODO: anything to do here?
        return true;
    }

//     if (keyword == "@") {   // annotation
//         advance();
//         if (m_source[m_srcIndex + 1] == "(") {
//             advance();
//             skipToClosing('(');
//         }
//         return true;
//     }

    if (keyword == "[") {   // ...
        advance();
        skipToClosing('[');
        return true;
    }

    if (keyword == "}") {
        if (m_scopeIndex)
            m_klass = dynamic_cast<UMLClassifier*>(m_scope[--m_scopeIndex]);
        else
            uError() << "too many }";
        return true;
    }

    // At this point, we expect `keyword' to be a type name
    // (of a member of class or interface, or return type
    // of an operation.) Up next is the name of the attribute
    // or operation.
    if (! keyword.contains(QRegExp("^\\w"))) {
        uError() << "ignoring " << keyword <<
                 " at " << m_srcIndex << ", " << m_source.count() << " in " << m_klass;  //:TODO: ->name();
        return false;
    }

    QString typeName = m_source[m_srcIndex];
    typeName = joinTypename(typeName);
    // At this point we need a class.
    if (m_klass == NULL) {
        uError() << "no class set for " << typeName;
        return false;
    }
    QString name = advance();
    QString nextToken;
    if (typeName == m_klass->name() && name == "(") {
        // Constructor.
        nextToken = name;
        name = typeName;
        typeName.clear();
    } else {
        nextToken = advance();
    }
    if (name.contains(QRegExp("\\W"))) {
        uError() << "expecting name in " << name;
        return false;
    }
    if (nextToken == "(") {
        // operation
        UMLOperation *op = Import_Utils::makeOperation(m_klass, name);
        m_srcIndex++;
        while (m_srcIndex < srcLength && m_source[m_srcIndex] != ")") {
            QString typeName = m_source[m_srcIndex];
            if (typeName == "final" || typeName.startsWith("//")) {
                // ignore the "final" keyword and any comments in method args
                typeName = advance();
            }
            typeName = joinTypename(typeName);
            QString parName = advance();
            // the Class might not be resolved yet so resolve it if necessary
            UMLObject *obj = resolveClass(typeName);
            if (obj) {
                // by prepending the package, unwanted placeholder types will not get created
                typeName = obj->fullyQualifiedName(".");
            }
            /* UMLAttribute *att = */ Import_Utils::addMethodParameter(op, typeName, parName);
            if (advance() != ",")
                break;
            m_srcIndex++;
        }
        // before adding the method, try resolving the return type
        UMLObject *obj = resolveClass(typeName);
        if (obj) {
            // using the fully qualified name means that a placeholder type will not be created.
            typeName = obj->fullyQualifiedName(".");
        }
        Import_Utils::insertMethod(m_klass, op, m_currentAccess, typeName,
                                   m_isStatic, m_isAbstract, false /*isFriend*/,
                                   false /*isConstructor*/, m_comment);
        m_isAbstract = m_isStatic = false;
        // reset the default visibility
        m_currentAccess = m_defaultCurrentAccess;
        // At this point we do not know whether the method has a body or not.
        do {
            nextToken = advance();
        } while (nextToken != "{" && nextToken != ";");
        if (nextToken == ";") {
            // No body (interface or abstract)
            return true;
        } else {
            return skipToClosing('{');
        }
    }
    // At this point we know it's some kind of attribute declaration.
    while(1) {
        while (nextToken != "," && nextToken != ";") {
            if (nextToken == "=") {
                if ((nextToken = advance()) == "new") {
                    advance();
                    if ((nextToken = advance()) == "(") {
                        skipToClosing('(');
                        if ((nextToken = advance()) == "{") {
                            skipToClosing('{');
                        } else {
                            skipStmt();
                            break;
                        }
                    } else {
                        skipStmt();
                        break;
                    }
                } else {
                    skipStmt();
                    break;
                }
            } else {
                name += nextToken;  // add possible array dimensions to `name'
            }
            nextToken = advance();
            if (nextToken.isEmpty()) {
                break;
            }
        }
        // try to resolve the class type, or create a placeholder if that fails
        UMLObject *type = resolveClass(typeName);
        UMLObject *o;
        if (type) {
            o = Import_Utils::insertAttribute(m_klass, m_currentAccess, name,
                                              static_cast<UMLClassifier*>(type), m_comment, m_isStatic);
        } else {
            o = Import_Utils::insertAttribute(m_klass, m_currentAccess, name,
                                              typeName, m_comment, m_isStatic);
        }
        // UMLAttribute *attr = static_cast<UMLAttribute*>(o);
        if (nextToken != ",") {
            // reset the modifiers
            m_isStatic = m_isAbstract = false;
            break;
        }
        name = advance();
        nextToken = advance();
    }
    // reset visibility to default
    m_currentAccess = m_defaultCurrentAccess;
    if (m_srcIndex < m_source.count()) {
        if (m_source[m_srcIndex] != ";") {
            uError() << "ignoring trailing items at " << name;
            skipStmt();
        }
    } else {
        uError() << "index out of range: ignoring statement " << name;
        skipStmt();
    }
    return true;
}
Example #12
0
/**
 * Parsing the statement 'class' or 'interface'.
 * @return   success status of parsing
 */
bool CSharpImport::parseStmtClass(const QString& keyword)
{
    const QString& name = advance();
    const UMLObject::ObjectType t = (keyword == "class" ? UMLObject::ot_Class : UMLObject::ot_Interface);
    log(keyword + ' ' + name);
    UMLObject *ns = Import_Utils::createUMLObject(t, name, m_scope[m_scopeIndex], m_comment);
    m_scope[++m_scopeIndex] = m_klass = static_cast<UMLClassifier*>(ns);
    m_klass->setAbstract(m_isAbstract);
    m_klass->setStatic(m_isStatic);
    m_klass->setVisibility(m_currentAccess);
    // The UMLObject found by createUMLObject might originally have been created as a
    // placeholder with a type of class but if is really an interface, then we need to
    // change it.
    UMLObject::ObjectType ot = (keyword == "interface" ? UMLObject::ot_Interface : UMLObject::ot_Class);
    m_klass->setBaseType(ot);
    m_isAbstract = m_isStatic = false;
    // if no modifier is specified in an interface, then it means public
    if (m_klass->isInterface()) {
        m_defaultCurrentAccess =  Uml::Visibility::Public;
    }

    if (advance() == ";")    // forward declaration
        return true;

    if (m_source[m_srcIndex] == "<") {
        // template args - preliminary, rudimentary implementation
        // @todo implement all template arg syntax
        uint start = m_srcIndex;
        if (! skipToClosing('<')) {
            uError() << "import C# (" << name << "): template syntax error";
            return false;
        }
        while(1) {
            const QString arg = m_source[++start];
            if (! arg.contains(QRegExp("^[A-Za-z_]"))) {
                uDebug() << "import C# (" << name << "): cannot handle template syntax ("
                            << arg << ")";
                break;
            }
            /* UMLTemplate *tmpl = */ m_klass->addTemplate(arg);
            const QString next = m_source[++start];
            if (next == ">")
                break;
            if (next != ",") {
                uDebug() << "import C# (" << name << "): cannot handle template syntax ("
                            << next << ")";
                break;
            }
        }
        advance();  // skip over ">"
    }

    if (m_source[m_srcIndex] == ":") {   // derivation
        while (m_srcIndex < m_source.count() - 1 && advance() != "{") {
            const QString& baseName = m_source[m_srcIndex];
            // try to resolve the interface we are implementing, if this fails
            // create a placeholder
            UMLObject *interface = resolveClass(baseName);
            if (interface) {
                Import_Utils::createGeneralization(m_klass, static_cast<UMLClassifier*>(interface));
            } else {
                uDebug() << "implementing interface " << baseName
                            << " is not resolvable. Creating placeholder";
                Import_Utils::createGeneralization(m_klass, baseName);
            }
            if (advance() != ",")
                break;
        }
    }

    if (m_source[m_srcIndex] != "{") {
        uError() << "ignoring excess chars at " << name
                    << " (" << m_source[m_srcIndex] << ")";
        skipStmt("{");
    }
    return true;
}
Example #13
0
/**
 * Implement abstract operation from NativeImportBase.
 * @return success status of operation
 */
bool PythonImport::parseStmt()
{
    const int srcLength = m_source.count();
    QString keyword = m_source[m_srcIndex];
    if (keyword == QLatin1String("class")) {
        const QString& name = advance();
        UMLObject *ns = Import_Utils::createUMLObject(UMLObject::ot_Class, name,
                                                      currentScope(), m_comment);
        pushScope(m_klass = ns->asUMLClassifier());
        m_comment.clear();
        if (advance() == QLatin1String("(")) {
            while (m_srcIndex < srcLength - 1 && advance() != QLatin1String(")")) {
                const QString& baseName = m_source[m_srcIndex];
                Import_Utils::createGeneralization(m_klass, baseName);
                if (advance() != QLatin1String(","))
                    break;
            }
        }
        if (m_source[m_srcIndex] != QLatin1String("{")) {
            skipStmt(QLatin1String("{"));
        }
        log(QLatin1String("class ") + name);
        return true;
    }
    if (keyword == QLatin1String("@")) {
        const QString& annotation = m_source[++m_srcIndex];
        uDebug() << "annotation:" << annotation;
        if (annotation == QLatin1String("staticmethod"))
            m_isStatic = true;
        return true;
    }
    if (keyword == QLatin1String("def")) {
        if (m_klass == 0) {
            // skip functions outside of a class
            skipBody();
            return true;
        }

        if (!m_klass->hasDoc() && !m_comment.isEmpty()) {
            m_klass->setDoc(m_comment);
            m_comment = QString();
        }

        const QString& name = advance();
        // operation
        UMLOperation *op = Import_Utils::makeOperation(m_klass, name);
        if (advance() != QLatin1String("(")) {
            uError() << "importPython def " << name << ": expecting \"(\"";
            skipBody();
            return true;
        }
        bool firstParam = true;
        while (m_srcIndex < srcLength && advance() != QLatin1String(")")) {
            const QString& parName = m_source[m_srcIndex];
            if (firstParam) {
                if (parName.compare(QLatin1String("self"), Qt::CaseInsensitive) != 0) {
                    m_isStatic = true;
                    Import_Utils::addMethodParameter(op, QLatin1String("string"), parName);
                }
                firstParam = false;
            } else {
                /*UMLAttribute *att =*/ Import_Utils::addMethodParameter(op, QLatin1String("string"), parName);
            }
            if (advance() != QLatin1String(","))
                break;
        }
        Import_Utils::insertMethod(m_klass, op, Uml::Visibility::Public, QLatin1String("string"),
                                   m_isStatic, false /*isAbstract*/, false /*isFriend*/,
                                   false /*isConstructor*/, m_comment);
        m_isStatic = false;
        int srcIndex = m_srcIndex;
        op->setSourceCode(skipBody());

        if (!op->hasDoc() && !m_comment.isEmpty()) {
            op->setDoc(m_comment);
            m_comment = QString();
        }

        // parse instance variables from __init__ method
        if (name == QLatin1String("__init__")) {
            int indexSave = m_srcIndex;
            m_srcIndex = srcIndex;
            advance();
            keyword = advance();
            while (m_srcIndex < indexSave) {
                if (lookAhead() == QLatin1String("=")) {
                    parseAssignmentStmt(keyword);
                    // skip ; inserted by lexer
                    if (lookAhead() == QLatin1String(";")) {
                        advance();
                        keyword = advance();
                    }
                } else {
                    skipStmt(QLatin1String(";"));
                    keyword = advance();
                }
            }
            m_srcIndex = indexSave;
        }
        log(QLatin1String("def ") + name);

        return true;
    }

    // parse class variables
    if (m_klass && lookAhead() == QLatin1String("=")) {
        bool result = parseAssignmentStmt(keyword);
        log(QLatin1String("class attribute ") + keyword);
        return result;
    }

    if (keyword == QLatin1String("}")) {
        if (scopeIndex()) {
            m_klass = popScope()->asUMLClassifier();
        }
        else
            uError() << "parsing: too many }";
        return true;
    }
    return false;  // @todo parsing of attributes
}