org.codehaus.groovy.ast.expr.DeclarationExpression Java Examples

@Override
public void visitDeclarationExpression(DeclarationExpression expression) {
    super.visitDeclarationExpression(expression);
    if (expression.isMultipleAssignmentDeclaration()) return;
    checkInvalidDeclarationModifier(expression, ACC_ABSTRACT, "abstract");
    checkInvalidDeclarationModifier(expression, ACC_NATIVE, "native");
    checkInvalidDeclarationModifier(expression, ACC_PRIVATE, "private");
    checkInvalidDeclarationModifier(expression, ACC_PROTECTED, "protected");
    checkInvalidDeclarationModifier(expression, ACC_PUBLIC, "public");
    checkInvalidDeclarationModifier(expression, ACC_STATIC, "static");
    checkInvalidDeclarationModifier(expression, ACC_STRICT, "strictfp");
    checkInvalidDeclarationModifier(expression, ACC_SYNCHRONIZED, "synchronized");
    checkInvalidDeclarationModifier(expression, ACC_TRANSIENT, "transient");
    checkInvalidDeclarationModifier(expression, ACC_VOLATILE, "volatile");
    if (expression.getVariableExpression().getOriginType().equals(VOID_TYPE)) {
        addError("The variable '" + expression.getVariableExpression().getName() + "' has invalid type void", expression);
    }
}
 

private void changeBaseScriptTypeFromDeclaration(final DeclarationExpression de, final AnnotationNode node) {
    if (de.isMultipleAssignmentDeclaration()) {
        addError("Annotation " + MY_TYPE_NAME + " not supported with multiple assignment notation.", de);
        return;
    }

    if (!(de.getRightExpression() instanceof EmptyExpression)) {
        addError("Annotation " + MY_TYPE_NAME + " not supported with variable assignment.", de);
        return;
    }
    Expression value = node.getMember("value");
    if (value != null) {
        addError("Annotation " + MY_TYPE_NAME + " cannot have member 'value' if used on a declaration.", value);
        return;
    }

    ClassNode cNode = de.getDeclaringClass();
    ClassNode baseScriptType = de.getVariableExpression().getType().getPlainNodeReference();
    de.setRightExpression(new VariableExpression("this"));

    changeBaseScriptType(de, cNode, baseScriptType);
}
 

private ExpressionStatement makeVariableDeclarationFinal(ExpressionStatement variableDeclaration) {
    if (!asBoolean(variableDeclaration)) {
        return variableDeclaration;
    }

    if (!(variableDeclaration.getExpression() instanceof DeclarationExpression)) {
        throw new IllegalArgumentException("variableDeclaration is not a declaration statement");
    }

    DeclarationExpression declarationExpression = (DeclarationExpression) variableDeclaration.getExpression();
    if (!(declarationExpression.getLeftExpression() instanceof VariableExpression)) {
        throw astBuilder.createParsingFailedException("The expression statement is not a variable delcaration statement", variableDeclaration);
    }

    VariableExpression variableExpression = (VariableExpression) declarationExpression.getLeftExpression();
    variableExpression.setModifiers(variableExpression.getModifiers() | Opcodes.ACC_FINAL);

    return variableDeclaration;
}
 

@Override
public void visitDeclarationExpression(DeclarationExpression expression) {
    if (currentClassDoc.isScript()) {
        if (hasAnno(expression, "Field")) {
            VariableExpression varx = expression.getVariableExpression();
            SimpleGroovyFieldDoc field = new SimpleGroovyFieldDoc(varx.getName(), currentClassDoc);
            field.setType(new SimpleGroovyType(makeType(varx.getType())));
            int mods = varx.getModifiers();
            processModifiers(field, varx, mods);
            boolean isProp = (mods & (ACC_PUBLIC | ACC_PRIVATE | ACC_PROTECTED)) == 0;
            if (isProp) {
                currentClassDoc.addProperty(field);
            } else {
                currentClassDoc.add(field);
            }
        }
    }
    super.visitDeclarationExpression(expression);
}
 

public void visit(ASTNode[] nodes, SourceUnit source) {
    this.source = source;
    if (nodes.length != 2 || !(nodes[0] instanceof AnnotationNode) || !(nodes[1] instanceof AnnotatedNode)) {
        internalError("Expecting [AnnotationNode, AnnotatedClass] but got: " + Arrays.asList(nodes));
    }

    AnnotatedNode parent = (AnnotatedNode) nodes[1];
    AnnotationNode node = (AnnotationNode) nodes[0];
    if (!MY_TYPE.equals(node.getClassNode())) {
        internalError("Transformation called from wrong annotation: " + node.getClassNode().getName());
    }

    final boolean autoFlag = determineAutoFlag(node.getMember("auto"));
    final Expression classNames = node.getMember("value");
    final Pattern cnPattern = determineClassNamePattern(node.getMember("pattern"));

    if (parent instanceof ClassNode) {
        newifyClass((ClassNode) parent, autoFlag, determineClasses(classNames, false), cnPattern);
    } else if (parent instanceof MethodNode || parent instanceof FieldNode) {
        newifyMethodOrField(parent, autoFlag, determineClasses(classNames, false), cnPattern);
    } else if (parent instanceof DeclarationExpression) {
        newifyDeclaration((DeclarationExpression) parent, autoFlag, determineClasses(classNames, true), cnPattern);
    }
}
 

private void newifyDeclaration(DeclarationExpression de, boolean autoFlag, ListExpression list, final Pattern cnPattern) {
    ClassNode cNode = de.getDeclaringClass();
    candidate = de;
    final ListExpression oldClassesToNewify = classesToNewify;
    final boolean oldAuto = auto;
    final Pattern oldCnPattern = classNamePattern;

    classesToNewify = list;
    auto = autoFlag;
    classNamePattern = cnPattern;

    super.visitClass(cNode);

    classesToNewify = oldClassesToNewify;
    auto = oldAuto;
    classNamePattern = oldCnPattern;
}
 

public static ClassNode[] parseClassNodesFromString(final String option, final SourceUnit sourceUnit, final CompilationUnit compilationUnit, final MethodNode mn, final ASTNode usage) {
    try {
        ModuleNode moduleNode = ParserPlugin.buildAST("Dummy<" + option + "> dummy;", compilationUnit.getConfiguration(), compilationUnit.getClassLoader(), null);
        DeclarationExpression dummyDeclaration = (DeclarationExpression) ((ExpressionStatement) moduleNode.getStatementBlock().getStatements().get(0)).getExpression();

        // the returned node is DummyNode<Param1, Param2, Param3, ...)
        ClassNode dummyNode = dummyDeclaration.getLeftExpression().getType();
        GenericsType[] dummyNodeGenericsTypes = dummyNode.getGenericsTypes();
        if (dummyNodeGenericsTypes == null) {
            return null;
        }
        ClassNode[] signature = new ClassNode[dummyNodeGenericsTypes.length];
        for (int i = 0, n = dummyNodeGenericsTypes.length; i < n; i += 1) {
            final GenericsType genericsType = dummyNodeGenericsTypes[i];
            signature[i] = resolveClassNode(sourceUnit, compilationUnit, mn, usage, genericsType.getType());
        }
        return signature;
    } catch (Exception | LinkageError e) {
        sourceUnit.addError(new IncorrectTypeHintException(mn, e, usage.getLineNumber(), usage.getColumnNumber()));
    }
    return null;
}
 

@Override
public void visitDeclarationExpression(DeclarationExpression expression) {
    // if we are in the same block we check position, if it occurs after
    // current position we ignore it
    if (blocks.isEmpty()
            && expression.getLineNumber() >= 0 && expression.getColumnNumber() >= 0
            && path.getLineNumber() >= 0 && path.getColumnNumber() >= 0
            && (expression.getLineNumber() > path.getLineNumber()
            || (expression.getLineNumber() == path.getLineNumber() && expression.getColumnNumber() >= path.getColumnNumber()))) {
        return;
    }

    if (!expression.isMultipleAssignmentDeclaration()) {
        VariableExpression variableExpression = expression.getVariableExpression();
        if (variableExpression.getAccessedVariable() != null) {
            String name = variableExpression.getAccessedVariable().getName();
            variables.put(name, variableExpression.getAccessedVariable());
        }
    }
    // perhaps we could visit just declaration or do nothing
    super.visitDeclarationExpression(expression);
}
 

@Override
public void visitBinaryExpression(final BinaryExpression expression) {
    boolean assignment = StaticTypeCheckingSupport.isAssignment(expression.getOperation().getType());
    boolean isDeclaration = expression instanceof DeclarationExpression;
    Expression leftExpression = expression.getLeftExpression();
    Expression rightExpression = expression.getRightExpression();
    if (isDeclaration) {
        recordFinalVars(leftExpression);
    }
    // visit RHS first for expressions like a = b = 0
    inAssignmentRHS = assignment;
    rightExpression.visit(this);
    inAssignmentRHS = false;
    leftExpression.visit(this);
    if (assignment) {
        recordAssignments(expression, isDeclaration, leftExpression, rightExpression);
    }
}
 

protected Expression transformDeclarationExpression(final DeclarationExpression de) {
    visitAnnotations(de);
    Expression oldLeft = de.getLeftExpression();
    checkingVariableTypeInDeclaration = true;
    Expression left = transform(oldLeft);
    checkingVariableTypeInDeclaration = false;
    if (left instanceof ClassExpression) {
        ClassExpression ce = (ClassExpression) left;
        addError("you tried to assign a value to the class " + ce.getType().getName(), oldLeft);
        return de;
    }
    Expression right = transform(de.getRightExpression());
    if (right == de.getRightExpression()) {
        fixDeclaringClass(de);
        return de;
    }
    DeclarationExpression newDeclExpr = new DeclarationExpression(left, de.getOperation(), right);
    newDeclExpr.setDeclaringClass(de.getDeclaringClass());
    newDeclExpr.addAnnotations(de.getAnnotations());
    newDeclExpr.copyNodeMetaData(de);
    fixDeclaringClass(newDeclExpr);
    return newDeclExpr;
}
 

@Override
public void visitDeclarationExpression(final DeclarationExpression expression) {
    Expression rightExpression = expression.getRightExpression();
    rightExpression.visit(this);

    ClassNode leftType = typeChooser.resolveType(expression.getLeftExpression(), node);
    ClassNode rightType = optimizeDivWithIntOrLongTarget(rightExpression, leftType);
    if (rightType == null) rightType = typeChooser.resolveType(rightExpression, node);
    if (isPrimitiveType(leftType) && isPrimitiveType(rightType)) {
        // if right is a constant, then we optimize only if it makes a block complete, so we set a maybe
        if (rightExpression instanceof ConstantExpression) {
            opt.chainCanOptimize(true);
        } else {
            opt.chainShouldOptimize(true);
        }
        addMeta(expression).type = Optional.ofNullable(typeChooser.resolveType(expression, node)).orElse(leftType);
        opt.chainInvolvedType(leftType);
        opt.chainInvolvedType(rightType);
    }
}
 

public void visit(ASTNode[] nodes, SourceUnit source) {
    init(nodes, source);
    AnnotatedNode parent = (AnnotatedNode) nodes[1];
    AnnotationNode node = (AnnotationNode) nodes[0];
    if (MAVEN_TYPE.equals( node.getClassNode()) || GRADLE_TYPE.equals( node.getClassNode() ))
    {
        type = ( MAVEN_TYPE.equals( node.getClassNode()) ) ? Type.MAVEN : Type.GRADLE;

        if ( parent instanceof DeclarationExpression )
        {
            changeBaseScriptTypeFromDeclaration( (DeclarationExpression) parent, node );
        }
        else if ( parent instanceof ImportNode || parent instanceof PackageNode )
        {
            changeBaseScriptTypeFromPackageOrImport( source, parent, node );
        }
        else if ( parent instanceof ClassNode )
        {
            changeBaseScriptTypeFromClass( (ClassNode) parent );
        }
    }
}
 

private void setScriptURIOnDeclaration(final DeclarationExpression de, final AnnotationNode node) {
    if (de.isMultipleAssignmentDeclaration()) {
        addError("Annotation " + MY_TYPE_NAME + " not supported with multiple assignment notation.", de);
        return;
    }

    if (!(de.getRightExpression() instanceof EmptyExpression)) {
        addError("Annotation " + MY_TYPE_NAME + " not supported with variable assignment.", de);
        return;
    }

    URI uri = getSourceURI(node);

    if (uri == null) {
        addError("Unable to get the URI for the source of this script!", de);
    } else {
        // Set the RHS to '= URI.create("string for this URI")'.
        // That may throw an IllegalArgumentExpression wrapping the URISyntaxException.
        de.setRightExpression(getExpression(uri));
    }
}
 

@Test
public void should_not_add_to_unknonwn_variables_a_variable_declared_but_not_in_the_process_scope() throws Exception {
    final BonitaScriptGroovyCompilationUnit groovyCompilationUnit = mock(BonitaScriptGroovyCompilationUnit.class, RETURNS_DEEP_STUBS);

    final List<Statement> statements = new ArrayList<Statement>();
    statements.add(new ExpressionStatement(
            new DeclarationExpression(new VariableExpression("declaredVar"), Token.NULL, new VariableExpression("something"))));
    statements.add(new ReturnStatement(new VariableExpression("declaredVar")));
    final VariableScope variableScope = new VariableScope();
    variableScope.putDeclaredVariable(new VariableExpression("declaredVar"));
    final BlockStatement blockStatement = new BlockStatement(statements, variableScope);

    when(groovyCompilationUnit.getModuleNode().getStatementBlock()).thenReturn(blockStatement);
    final UnknownElementsIndexer unknownElementsIndexer = new UnknownElementsIndexer(groovyCompilationUnit);

    unknownElementsIndexer.run(new NullProgressMonitor());

    assertThat(unknownElementsIndexer.getUnknownVaraibles()).isEmpty();
}
 

private void changeBaseScriptTypeFromDeclaration(final SourceUnit source, final DeclarationExpression de, final AnnotationNode node) {
    if (de.isMultipleAssignmentDeclaration()) {
        addError("Annotation " + MY_TYPE_NAME + " not supported with multiple assignment notation.", de);
        return;
    }

    ClassNode cNode = de.getDeclaringClass();
    ClassNode baseScriptType = de.getVariableExpression().getType().getPlainNodeReference();
    if (baseScriptType.isScript()) {
        if (!(de.getRightExpression() instanceof EmptyExpression)) {
            addError("Annotation " + MY_TYPE_NAME + " not supported with variable assignment.", de);
            return;
        }
        de.setRightExpression(new VariableExpression("this"));
    } else {
        baseScriptType = BASE_SCRIPT_TYPE;
    }
    Expression value = node.getMember("value");
    if (value != null) {
        addError("Annotation " + MY_TYPE_NAME + " cannot have member 'value' if used on a declaration.", value);
        return;
    }


    changeBaseScriptType(source, de, cNode, baseScriptType, node);
}
 

@Test
public void should_add_to_overriden_variables_a_variable_declared_and_already_in_the_process_scope() throws Exception {
    final BonitaScriptGroovyCompilationUnit groovyCompilationUnit = mock(BonitaScriptGroovyCompilationUnit.class, RETURNS_DEEP_STUBS);
    Map<String, ScriptVariable> context = new HashMap<String, ScriptVariable>();
    context.put("declaredVar", null);
    when(groovyCompilationUnit.getContext()).thenReturn(context);
    
    final List<Statement> statements = new ArrayList<Statement>();
    statements.add(new ExpressionStatement(
            new DeclarationExpression(new VariableExpression("declaredVar"), Token.NULL, new VariableExpression("something"))));
    statements.add(new ReturnStatement(new VariableExpression("declaredVar")));
    final VariableScope variableScope = new VariableScope();
    variableScope.putDeclaredVariable(new VariableExpression("declaredVar"));
    final BlockStatement blockStatement = new BlockStatement(statements, variableScope);

    when(groovyCompilationUnit.getModuleNode().getStatementBlock()).thenReturn(blockStatement);
    final UnknownElementsIndexer unknownElementsIndexer = new UnknownElementsIndexer(groovyCompilationUnit);

    unknownElementsIndexer.run(new NullProgressMonitor());

    assertThat(unknownElementsIndexer.getOverridenVariables()).containsExactly(entry("declaredVar", new Position(0)));
}
 

public void visit(ASTNode[] nodes, SourceUnit source) {
    init(nodes, source);
    AnnotatedNode parent = (AnnotatedNode) nodes[1];
    AnnotationNode node = (AnnotationNode) nodes[0];
    if (!MY_TYPE.equals(node.getClassNode())) return;

    if (parent instanceof DeclarationExpression) {
        setScriptURIOnDeclaration((DeclarationExpression) parent, node);
    } else if (parent instanceof FieldNode) {
        setScriptURIOnField((FieldNode) parent, node);
    } else {
        addError("Expected to find the annotation " + MY_TYPE_NAME + " on an declaration statement.", parent);
    }
}
 

private void process(ASTNode[] nodes, final ClassCodeVisitorSupport visitor) {
    candidate = (AnnotatedNode) nodes[1];
    AnnotationNode node = (AnnotationNode) nodes[0];
    if (!MY_TYPE.equals(node.getClassNode())) return;

    if (candidate instanceof ClassNode) {
        processClass((ClassNode) candidate, visitor);
    } else if (candidate instanceof MethodNode) {
        processConstructorOrMethod((MethodNode) candidate, visitor);
    } else if (candidate instanceof FieldNode) {
        processField((FieldNode) candidate, visitor);
    } else if (candidate instanceof DeclarationExpression) {
        processLocalVariable((DeclarationExpression) candidate, visitor);
    }
}
 

public void visit(ASTNode[] nodes, SourceUnit source) {
    init(nodes, source);
    AnnotatedNode parent = (AnnotatedNode) nodes[1];
    AnnotationNode node = (AnnotationNode) nodes[0];
    if (!MY_TYPE.equals(node.getClassNode())) return;

    if (parent instanceof DeclarationExpression) {
        changeBaseScriptTypeFromDeclaration(source, (DeclarationExpression) parent, node);
    } else if (parent instanceof ImportNode || parent instanceof PackageNode) {
        changeBaseScriptTypeFromPackageOrImport(source, parent, node);
    } else if (parent instanceof ClassNode) {
        changeBaseScriptTypeFromClass(source, (ClassNode) parent, node);
    }
}
 

public void visit(ASTNode[] nodes, SourceUnit source) {
    init(nodes, source);
    AnnotatedNode parent = (AnnotatedNode) nodes[1];
    AnnotationNode node = (AnnotationNode) nodes[0];
    if (!MY_TYPE.equals(node.getClassNode())) return;

    if (parent instanceof DeclarationExpression) {
        changeBaseScriptTypeFromDeclaration((DeclarationExpression) parent, node);
    } else if (parent instanceof ImportNode || parent instanceof PackageNode) {
        changeBaseScriptTypeFromPackageOrImport(source, parent, node);
    } else if (parent instanceof ClassNode) {
        changeBaseScriptTypeFromClass((ClassNode) parent, node);
    }
}
 

private static DeclarationExpression optimizeConstantInitialization(final BinaryExpression originalDeclaration, final Token operation, final ConstantExpression constant, final Expression leftExpression, final ClassNode declarationType) {
    Expression cexp = constX(convertConstant((Number) constant.getValue(), ClassHelper.getWrapper(declarationType)), true);
    cexp.setType(declarationType);
    cexp.setSourcePosition(constant);
    DeclarationExpression result = new DeclarationExpression(
            leftExpression,
            operation,
            cexp
    );
    result.setSourcePosition(originalDeclaration);
    result.copyNodeMetaData(originalDeclaration);
    return result;
}
 

@Override
public Expression transform(Expression expr) {
    if (expr == null) return null;
    if (expr instanceof DeclarationExpression) {
        DeclarationExpression de = (DeclarationExpression) expr;
        if (de.getLeftExpression() == candidate.getLeftExpression()) {
            if (insideScriptBody) {
                // TODO make EmptyExpression work
                // partially works but not if only thing in script
                // return EmptyExpression.INSTANCE;
                return nullX();
            }
            addError("Annotation " + MY_TYPE_NAME + " can only be used within a Script body.", expr);
            return expr;
        }
    } else if (insideScriptBody && expr instanceof VariableExpression && currentClosure != null) {
        VariableExpression ve = (VariableExpression) expr;
        if (ve.getName().equals(variableName)) {
            adjustToClassVar(ve);
            return ve;
        }
    } else if (currentAIC != null && expr instanceof ArgumentListExpression) {
        // if a match is found, the compiler will have already set up aic constructor to hav
        // an argument which isn't needed since we'll be accessing the field; we must undo it
        Expression skip = null;
        List<Expression> origArgList = ((ArgumentListExpression) expr).getExpressions();
        for (int i = 0; i < origArgList.size(); i++) {
            Expression arg = origArgList.get(i);
            if (matchesCandidate(arg)) {
                skip = arg;
                adjustConstructorAndFields(i, currentAIC.getType());
                break;
            }
        }
        if (skip != null) {
            return adjustedArgList(skip, origArgList);
        }
    }
    return expr.transformExpression(this);
}
 

public void addResource(ExpressionStatement resourceStatement) {
    Expression resourceExpression = resourceStatement.getExpression();
    if (!(resourceExpression instanceof DeclarationExpression || resourceExpression instanceof VariableExpression)) {
        throw new GroovyBugError("resourceStatement should be a variable declaration statement or a variable");
    }

    resourceExpression.putNodeMetaData(IS_RESOURCE, Boolean.TRUE);

    resourceStatements.add(resourceStatement);
}
 

@Override
public void visitDeclarationExpression(final DeclarationExpression expression) {
    visitAnnotations(expression);
    // visit right side first to prevent the use of a variable before its declaration
    expression.getRightExpression().visit(this);

    if (expression.isMultipleAssignmentDeclaration()) {
        TupleExpression list = expression.getTupleExpression();
        for (Expression listExpression : list.getExpressions()) {
            declare((VariableExpression) listExpression);
        }
    } else {
        declare(expression.getVariableExpression());
    }
}
 

private void changeBaseScriptTypeFromDeclaration(final DeclarationExpression de, final AnnotationNode node) {
    if (de.isMultipleAssignmentDeclaration()) {
        addError( "Annotation " + getType() + " not supported with multiple assignment notation.", de);
        return;
    }

    if (!(de.getRightExpression() instanceof EmptyExpression)) {
        addError( "Annotation " + getType() + " not supported with variable assignment.", de);
        return;
    }
    Expression value = node.getMember("value");
    if (value != null) {
        addError( "Annotation " + getType() + " cannot have member 'value' if used on a declaration.", value);
        return;
    }

    ClassNode cNode = de.getDeclaringClass();
    ClassNode baseScriptType = de.getVariableExpression().getType().getPlainNodeReference();
    if (baseScriptType.isScript()) {
        if (!(de.getRightExpression() instanceof EmptyExpression)) {
            addError( "Annotation " + getType() + " not supported with variable assignment.", de);
            return;
        }
        de.setRightExpression(new VariableExpression("this"));
    } else {
        if ( type == Type.MAVEN )
        {
            baseScriptType = MAVEN_BASE_SCRIPT_TYPE;
        }
        else
        {
            baseScriptType = GRADLE_BASE_SCRIPT_TYPE;
        }
    }

    changeBaseScriptType(de, cNode, baseScriptType);
}
 

@Test
public void should_add_decalred_expression_with_position() throws Exception {
    final VariablesVisitor variablesVisitor = new VariablesVisitor(new VariableScope());

    final DeclarationExpression declarationExpression = new DeclarationExpression(new VariableExpression("myVar"), Token.NULL,
            new VariableExpression("anotherVar"));
    declarationExpression.setStart(42);
    variablesVisitor.visitDeclarationExpression(declarationExpression);

    assertThat(variablesVisitor.getDeclaredExpressions()).containsExactly(entry("myVar", new Position(42)));
}
 

@Override
public Expression transform(final Expression exp) {
    if (exp == null) return null;
    Expression ret;
    if (exp instanceof VariableExpression) {
        ret = transformVariableExpression((VariableExpression) exp);
    } else if (exp.getClass() == PropertyExpression.class) {
        ret = transformPropertyExpression((PropertyExpression) exp);
    } else if (exp instanceof DeclarationExpression) {
        ret = transformDeclarationExpression((DeclarationExpression) exp);
    } else if (exp instanceof BinaryExpression) {
        ret = transformBinaryExpression((BinaryExpression) exp);
    } else if (exp instanceof MethodCallExpression) {
        ret = transformMethodCallExpression((MethodCallExpression) exp);
    } else if (exp instanceof ClosureExpression) {
        ret = transformClosureExpression((ClosureExpression) exp);
    } else if (exp instanceof ConstructorCallExpression) {
        ret = transformConstructorCallExpression((ConstructorCallExpression) exp);
    } else if (exp instanceof AnnotationConstantExpression) {
        ret = transformAnnotationConstantExpression((AnnotationConstantExpression) exp);
    } else {
        resolveOrFail(exp.getType(), exp);
        ret = exp.transformExpression(this);
    }
    if (ret != null && ret != exp) {
        ret.setSourcePosition(exp);
    }
    return ret;
}
 

private void extractModelTypesFromStatement(final Statement code, final Map<String, ClassNode> model) {
    if (code instanceof BlockStatement) {
        BlockStatement block = (BlockStatement) code;
        for (Statement statement : block.getStatements()) {
            extractModelTypesFromStatement(statement, model);
        }
    } else if (code instanceof ExpressionStatement) {
        Expression expression = ((ExpressionStatement) code).getExpression();
        if (expression instanceof DeclarationExpression) {
            VariableExpression var = ((DeclarationExpression) expression).getVariableExpression();
            model.put(var.getName(), var.getOriginType());
        }
    }
}
 

private static OffsetRange getDeclarationExpressionRange(DeclarationExpression expression, BaseDocument doc, int cursorOffset) {
    OffsetRange range;
    if (!expression.isMultipleAssignmentDeclaration()) {
        range = getVariableRange(expression.getVariableExpression(), doc, cursorOffset);
    } else {
        range = getRange(expression.getTupleExpression(), doc, cursorOffset);
    }
    
    return range;
}
 

private String getFqNameForNode(ASTNode node) {
    if (node instanceof DeclarationExpression) {
        return ((BinaryExpression) node).getLeftExpression().getType().getName();
    } else if (node instanceof Expression) {
        return ((Expression) node).getType().getName();
    } else if (node instanceof PropertyNode) {
        return ((PropertyNode) node).getField().getType().getName();
    } else if (node instanceof FieldNode) {
        return ((FieldNode) node).getType().getName();
    } else if (node instanceof Parameter) {
        return ((Parameter) node).getType().getName();
    }

    return "";
}