org.codehaus.groovy.ast.AnnotationNode Java Examples

private static void mergeCollectedAnnotations(final AnnotationCollectorMode mode, final Map<Integer, List<AnnotationNode>> existing, final List<AnnotationNode> replacements) {
    switch (mode) {
        case PREFER_COLLECTOR:
            deleteExisting(false, existing, replacements);
            break;
        case PREFER_COLLECTOR_MERGED:
            deleteExisting(true, existing, replacements);
            break;
        case PREFER_EXPLICIT:
            deleteReplacement(false, existing, replacements);
            break;
        case PREFER_EXPLICIT_MERGED:
            deleteReplacement(true, existing, replacements);
            break;
        default:
            // nothing to do
    }
}
 

private void createBuilderForAnnotatedClass(BuilderASTTransformation transform, ClassNode buildee, AnnotationNode anno, boolean useSetters, boolean allNames, boolean force) {
    List<String> excludes = new ArrayList<String>();
    List<String> includes = new ArrayList<String>();
    includes.add(Undefined.STRING);
    if (!getIncludeExclude(transform, anno, buildee, excludes, includes)) return;
    if (includes.size() == 1 && Undefined.isUndefined(includes.get(0))) includes = null;
    List<FieldNode> fields = getFields(transform, anno, buildee);
    List<FieldNode> filteredFields = filterFields(fields, includes, excludes, allNames);
    if (filteredFields.isEmpty()) {
        transform.addError("Error during " + BuilderASTTransformation.MY_TYPE_NAME +
                " processing: at least one property is required for this strategy", anno);
    }
    ClassNode builder = createInnerHelperClass(buildee, getBuilderClassName(buildee, anno), filteredFields.size());
    addFields(buildee, filteredFields, builder);

    buildCommon(buildee, anno, filteredFields, builder);
    boolean needsConstructor = !AnnotatedNodeUtils.hasAnnotation(buildee, TUPLECONS_TYPE) || force;
    createBuildeeConstructors(transform, buildee, builder, filteredFields, needsConstructor, useSetters);
}
 

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 void visitAnnotationArrayElement(final Expression expr, final int arrayElementType, final AnnotationVisitor av) {
    switch (arrayElementType) {
        case 1:
            AnnotationNode atAttr = (AnnotationNode) ((AnnotationConstantExpression) expr).getValue();
            AnnotationVisitor av2 = av.visitAnnotation(null, BytecodeHelper.getTypeDescription(atAttr.getClassNode()));
            visitAnnotationAttributes(atAttr, av2);
            av2.visitEnd();
            break;
        case 2:
            av.visit(null, ((ConstantExpression) expr).getValue());
            break;
        case 3:
            av.visit(null, Type.getType(BytecodeHelper.getTypeDescription(expr.getType())));
            break;
        case 4:
            PropertyExpression propExpr = (PropertyExpression) expr;
            av.visitEnum(null,
                    BytecodeHelper.getTypeDescription(propExpr.getObjectExpression().getType()),
                    String.valueOf(((ConstantExpression) propExpr.getProperty()).getValue()));
            break;
    }
}
 

private void addListenerToProperty(SourceUnit source, AnnotationNode node, AnnotatedNode parent) {
    ClassNode declaringClass = parent.getDeclaringClass();
    FieldNode field = ((FieldNode) parent);
    String fieldName = field.getName();
    for (PropertyNode propertyNode : declaringClass.getProperties()) {
        boolean bindable = BindableASTTransformation.hasBindableAnnotation(parent)
                || BindableASTTransformation.hasBindableAnnotation(parent.getDeclaringClass());

        if (propertyNode.getName().equals(fieldName)) {
            if (field.isStatic()) {
                //noinspection ThrowableInstanceNeverThrown
                source.getErrorCollector().addErrorAndContinue("@groovy.beans.Vetoable cannot annotate a static property.", node, source);
            } else {
                createListenerSetter(source, bindable, declaringClass, propertyNode);
            }
            return;
        }
    }
    //noinspection ThrowableInstanceNeverThrown
    source.getErrorCollector().addErrorAndContinue("@groovy.beans.Vetoable must be on a property, not a field.  Try removing the private, protected, or public modifier.", node, source);
}
 

private void addListenerToProperty(SourceUnit source, AnnotationNode node, ClassNode declaringClass, FieldNode field) {
    String fieldName = field.getName();
    for (PropertyNode propertyNode : declaringClass.getProperties()) {
        if (propertyNode.getName().equals(fieldName)) {
            if (field.isStatic()) {
                //noinspection ThrowableInstanceNeverThrown
                source.getErrorCollector().addErrorAndContinue("@groovy.beans.Bindable cannot annotate a static property.", node, source);
            } else {
                if (needsPropertyChangeSupport(declaringClass, source)) {
                    addPropertyChangeSupport(declaringClass);
                }
                createListenerSetter(declaringClass, propertyNode);
            }
            return;
        }
    }
    //noinspection ThrowableInstanceNeverThrown
    source.getErrorCollector().addErrorAndContinue("@groovy.beans.Bindable must be on a property, not a field.  Try removing the private, protected, or public modifier.", node, source);
}
 

public void checkCircularReference(ClassNode searchClass, ClassNode attrType, Expression startExp) {
    if (!isValidAnnotationClass(attrType)) return;
    if (!(startExp instanceof AnnotationConstantExpression)) {
        addError("Found '" + startExp.getText() + "' when expecting an Annotation Constant", startExp);
        return;
    }
    AnnotationConstantExpression ace = (AnnotationConstantExpression) startExp;
    AnnotationNode annotationNode = (AnnotationNode) ace.getValue();
    if (annotationNode.getClassNode().equals(searchClass)) {
        addError("Circular reference discovered in " + searchClass.getName(), startExp);
        return;
    }
    ClassNode cn = annotationNode.getClassNode();
    for (MethodNode method : cn.getMethods()) {
        if (method.getReturnType().equals(searchClass)) {
            addError("Circular reference discovered in " + cn.getName(), startExp);
        }
        ReturnStatement code = (ReturnStatement) method.getCode();
        if (code == null) continue;
        checkCircularReference(searchClass, method.getReturnType(), code.getExpression());
    }
}
 

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

    if (parent instanceof ClassNode) {
        ClassNode cNode = (ClassNode) parent;
        if (!hasNoArgConstructor(cNode)) {
            addError(MY_TYPE_NAME + ": An Externalizable class requires a no-arg constructor but none found", cNode);
        }
        if (!implementsExternalizable(cNode)) {
            addError(MY_TYPE_NAME + ": An Externalizable class must implement the Externalizable interface", cNode);
        }
        boolean includeFields = memberHasValue(anno, "includeFields", true);
        boolean checkPropertyTypes = memberHasValue(anno, "checkPropertyTypes", true);
        List<String> excludes = getMemberStringList(anno, "excludes");
        if (!checkPropertyList(cNode, excludes, "excludes", anno, MY_TYPE_NAME, includeFields)) return;
        List<FieldNode> list = getInstancePropertyFields(cNode);
        if (includeFields) {
            list.addAll(getInstanceNonPropertyFields(cNode));
        }
        checkProps(list, excludes, checkPropertyTypes);
    }
}
 

public void visit(ASTNode[] nodes, SourceUnit source) {
    init(nodes, source);
    AnnotationNode anno = (AnnotationNode) nodes[0];
    MethodNode methodNode = (MethodNode) nodes[1];

    ClassNode exception = getMemberClassValue(anno, "exception");
    if (exception == null) {
        exception = DEFAULT_THROW_TYPE;
    }
    ConstructorNode cons = exception.getDeclaredConstructor(new Parameter[]{new Parameter(ClassHelper.STRING_TYPE, "dummy")});
    if (cons == null) {
        addError("Error during @NotYetImplemented processing: supplied exception " + exception.getNameWithoutPackage() + " doesn't have expected String constructor", methodNode);
    }

    if (methodNode.getCode() instanceof BlockStatement && !methodNode.getCode().isEmpty()) {
        // wrap code in try/catch with return for failure path followed by throws for success path

        TryCatchStatement tryCatchStatement = tryCatchS(methodNode.getCode());
        tryCatchStatement.addCatch(catchS(param(CATCH_TYPE, "ignore"), ReturnStatement.RETURN_NULL_OR_VOID));

        ThrowStatement throwStatement = throwS(ctorX(exception, args(constX("Method is marked with @NotYetImplemented but passes unexpectedly"))));

        methodNode.setCode(block(tryCatchStatement, throwStatement));
    }
}
 

private boolean processExplicitNamedParam(final MethodNode mNode, final Parameter mapParam, final BlockStatement inner, final ArgumentListExpression args, final List<String> propNames, final Parameter fromParam) {
    AnnotationNode namedParam = fromParam.getAnnotations(NAMED_PARAM_TYPE).get(0);
    boolean required = memberHasValue(namedParam, "required", true);
    if (getMemberStringValue(namedParam, "value") == null) {
        namedParam.addMember("value", constX(fromParam.getName()));
    }
    String name = getMemberStringValue(namedParam, "value");
    if (getMemberValue(namedParam, "type") == null) {
        namedParam.addMember("type", classX(fromParam.getType()));
    }
    if (hasDuplicates(mNode, propNames, name)) return false;
    // TODO: Check specified type is assignable from declared param type?
    //ClassNode type = getMemberClassValue(namedParam, "type");
    if (required) {
        if (fromParam.hasInitialExpression()) {
            addError("Error during " + NAMED_VARIANT + " processing. A required parameter can't have an initial value.", mNode);
            return false;
        }
        inner.addStatement(new AssertStatement(boolX(callX(varX(mapParam), "containsKey", args(constX(name)))),
                plusX(constX("Missing required named argument '" + name + "'. Keys found: "), callX(varX(mapParam), "keySet"))));
    }
    args.addExpression(propX(varX(mapParam), name));
    mapParam.addAnnotation(namedParam);
    fromParam.getAnnotations().remove(namedParam);
    return true;
}
 

static void visitField(ErrorCollecting xform, AnnotationNode node, FieldNode fieldNode) {
    final Expression soft = node.getMember("soft");
    final Expression init = getInitExpr(xform, fieldNode);

    String backingFieldName = "$" + fieldNode.getName();
    fieldNode.rename(backingFieldName);
    fieldNode.setModifiers(ACC_PRIVATE | ACC_SYNTHETIC | (fieldNode.getModifiers() & (~(ACC_PUBLIC | ACC_PROTECTED))));
    PropertyNode pNode = fieldNode.getDeclaringClass().getProperty(backingFieldName);
    if (pNode != null) {
        fieldNode.getDeclaringClass().getProperties().remove(pNode);
    }

    if (soft instanceof ConstantExpression && ((ConstantExpression) soft).getValue().equals(true)) {
        createSoft(fieldNode, init);
    } else {
        create(fieldNode, init);
        // @Lazy not meaningful with primitive so convert to wrapper if needed
        if (ClassHelper.isPrimitiveType(fieldNode.getType())) {
            fieldNode.setType(ClassHelper.getWrapper(fieldNode.getType()));
        }
    }
}
 

private static Expression transformInlineConstants(final Expression exp) {
    if (exp instanceof AnnotationConstantExpression) {
        ConstantExpression ce = (ConstantExpression) exp;
        if (ce.getValue() instanceof AnnotationNode) {
            // replicate a little bit of AnnotationVisitor here
            // because we can't wait until later to do this
            AnnotationNode an = (AnnotationNode) ce.getValue();
            for (Map.Entry<String, Expression> member : an.getMembers().entrySet()) {
                member.setValue(transformInlineConstants(member.getValue()));
            }
        }
    } else {
        return ExpressionUtils.transformInlineConstants(exp);
    }
    return exp;
}
 

private List<AnnotationNode> getTargetListFromValue(AnnotationNode collector, AnnotationNode aliasAnnotationUsage, SourceUnit source) {
    Expression memberValue = collector.getMember("value");
    if (memberValue == null) {
        return Collections.emptyList();
    }
    if (!(memberValue instanceof ListExpression)) {
        addError("Annotation collector expected a list of classes, but got a "+memberValue.getClass(), collector, source);
        return Collections.emptyList();
    }
    ListExpression memberListExp = (ListExpression) memberValue;
    List<Expression> memberList = memberListExp.getExpressions();
    if (memberList.isEmpty()) {
        return Collections.emptyList();
    }
    List<AnnotationNode> ret = new ArrayList<>();
    for (Expression e : memberList) {
        AnnotationNode toAdd = new AnnotationNode(e.getType());
        toAdd.setSourcePosition(aliasAnnotationUsage);
        ret.add(toAdd);
    }
    return ret;
}
 

public static List<String> getKnownImmutableClasses(AbstractASTTransformation xform, ClassNode cNode) {
    List<AnnotationNode> annotations = cNode.getAnnotations(ImmutablePropertyUtils.IMMUTABLE_OPTIONS_TYPE);
    AnnotationNode anno = annotations.isEmpty() ? null : annotations.get(0);
    final List<String> immutableClasses = new ArrayList<String>();

    if (anno == null) return immutableClasses;
    final Expression expression = anno.getMember(MEMBER_KNOWN_IMMUTABLE_CLASSES);
    if (expression == null) return immutableClasses;

    if (!(expression instanceof ListExpression)) {
        xform.addError("Use the Groovy list notation [el1, el2] to specify known immutable classes via \"" + MEMBER_KNOWN_IMMUTABLE_CLASSES + "\"", anno);
        return immutableClasses;
    }

    final ListExpression listExpression = (ListExpression) expression;
    for (Expression listItemExpression : listExpression.getExpressions()) {
        if (listItemExpression instanceof ClassExpression) {
            immutableClasses.add(listItemExpression.getType().getName());
        }
    }

    return immutableClasses;
}
 

public static List<String> getKnownImmutables(AbstractASTTransformation xform, ClassNode cNode) {
    List<AnnotationNode> annotations = cNode.getAnnotations(ImmutablePropertyUtils.IMMUTABLE_OPTIONS_TYPE);
    AnnotationNode anno = annotations.isEmpty() ? null : annotations.get(0);
    final List<String> immutables = new ArrayList<String>();
    if (anno == null) return immutables;

    final Expression expression = anno.getMember(MEMBER_KNOWN_IMMUTABLES);
    if (expression == null) return immutables;

    if (!(expression instanceof ListExpression)) {
        xform.addError("Use the Groovy list notation [el1, el2] to specify known immutable property names via \"" + MEMBER_KNOWN_IMMUTABLES + "\"", anno);
        return immutables;
    }

    final ListExpression listExpression = (ListExpression) expression;
    for (Expression listItemExpression : listExpression.getExpressions()) {
        if (listItemExpression instanceof ConstantExpression) {
            immutables.add((String) ((ConstantExpression) listItemExpression).getValue());
        }
    }
    if (!xform.checkPropertyList(cNode, immutables, "knownImmutables", anno, "immutable class", false)) return immutables;

    return immutables;
}
 

public static PropertyHandler createPropertyHandler(AbstractASTTransformation xform, GroovyClassLoader loader, ClassNode cNode) {
    List<AnnotationNode> annotations = cNode.getAnnotations(PROPERTY_OPTIONS_TYPE);
    AnnotationNode anno = annotations.isEmpty() ? null : annotations.get(0);
    if (anno == null) return new groovy.transform.options.DefaultPropertyHandler();

    ClassNode handlerClass = xform.getMemberClassValue(anno, "propertyHandler", ClassHelper.make(groovy.transform.options.DefaultPropertyHandler.class));

    if (handlerClass == null) {
        xform.addError("Couldn't determine propertyHandler class", anno);
        return null;
    }

    String className = handlerClass.getName();
    try {
        Object instance = loader.loadClass(className).getDeclaredConstructor().newInstance();
        if (!PropertyHandler.class.isAssignableFrom(instance.getClass())) {
            xform.addError("The propertyHandler class '" + handlerClass.getName() + "' on " + xform.getAnnotationName() + " is not a propertyHandler", anno);
            return null;
        }

        return (PropertyHandler) instance;
    } catch (Exception e) {
        xform.addError("Can't load propertyHandler '" + className + "' " + e, anno);
        return null;
    }
}
 

public void buildClass(BuilderASTTransformation transform, ClassNode buildee, AnnotationNode anno) {
        List<String> excludes = new ArrayList<String>();
        List<String> includes = new ArrayList<String>();
        includes.add(Undefined.STRING);
        if (!getIncludeExclude(transform, anno, buildee, excludes, includes)) return;
        if (includes.size() == 1 && Undefined.isUndefined(includes.get(0))) includes = null;
        ClassNode builder = createBuilder(anno, buildee);
        createBuilderFactoryMethod(anno, buildee, builder);
//        List<FieldNode> fields = getFields(transform, anno, buildee);
        boolean allNames = transform.memberHasValue(anno, "allNames", true);
        boolean allProperties = !transform.memberHasValue(anno, "allProperties", false);
        List<PropertyInfo> props = getPropertyInfos(transform, anno, buildee, excludes, includes, allNames, allProperties);
        for (PropertyInfo pi : props) {
            ClassNode correctedType = getCorrectedType(buildee, pi.getType(), builder);
            String fieldName = pi.getName();
            builder.addField(createFieldCopy(buildee, fieldName, correctedType));
            addGeneratedMethod(builder, createBuilderMethodForProp(builder, new PropertyInfo(fieldName, correctedType), getPrefix(anno)));
        }
        addGeneratedMethod(builder, createBuildMethod(anno, buildee, props));
    }
 

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

    if (parent instanceof ClassNode) {
        ClassNode cNode = (ClassNode) parent;
        if (!checkNotInterface(cNode, MY_TYPE_NAME)) return;
        cNode.addInterface(CLONEABLE_TYPE);
        boolean includeFields = memberHasValue(anno, "includeFields", true);
        AutoCloneStyle style = getStyle(anno, "style");
        List<String> excludes = getMemberStringList(anno, "excludes");
        if (!checkPropertyList(cNode, excludes, "excludes", anno, MY_TYPE_NAME, includeFields)) return;
        List<FieldNode> list = getInstancePropertyFields(cNode);
        if (includeFields) {
            list.addAll(getInstanceNonPropertyFields(cNode));
        }
        if (style == null) style = AutoCloneStyle.CLONE;
        switch (style) {
            case COPY_CONSTRUCTOR:
                createCloneCopyConstructor(cNode, list, excludes);
                break;
            case SERIALIZATION:
                createCloneSerialization(cNode);
                break;
            case SIMPLE:
                createSimpleClone(cNode, list, excludes);
                break;
            default:
                createClone(cNode, list, excludes);
                break;
        }
    }
}
 

private Class<?> loadTransformClass(final String transformClass, final AnnotationNode annotation) {
    try {
        return transformLoader.loadClass(transformClass, false, true, false);
    } catch (ReflectiveOperationException | LinkageError e) {
        String error = "Could not find class for Transformation Processor " + transformClass + " declared by " + annotation.getClassNode().getName();
        source.getErrorCollector().addErrorAndContinue(new SimpleMessage(error, source));
    }
    return null;
}
 

private static AutoCloneStyle getStyle(AnnotationNode node, String name) {
    final Expression member = node.getMember(name);
    if (member instanceof PropertyExpression) {
        PropertyExpression prop = (PropertyExpression) member;
        Expression oe = prop.getObjectExpression();
        if (oe instanceof ClassExpression) {
            ClassExpression ce = (ClassExpression) oe;
            if (ce.getType().getName().equals("groovy.transform.AutoCloneStyle")) {
                return AutoCloneStyle.valueOf(prop.getPropertyAsString());
            }
        }
    }
    return null;
}
 

private void createSortable(AnnotationNode anno, ClassNode classNode) {
    List<String> includes = getMemberStringList(anno, "includes");
    List<String> excludes = getMemberStringList(anno, "excludes");
    boolean reversed = memberHasValue(anno, "reversed", true);
    boolean includeSuperProperties = memberHasValue(anno, "includeSuperProperties", true);
    boolean allNames = memberHasValue(anno, "allNames", true);
    boolean allProperties = !memberHasValue(anno, "allProperties", false);
    if (!checkIncludeExcludeUndefinedAware(anno, excludes, includes, MY_TYPE_NAME)) return;
    if (!checkPropertyList(classNode, includes, "includes", anno, MY_TYPE_NAME, false, includeSuperProperties, allProperties)) return;
    if (!checkPropertyList(classNode, excludes, "excludes", anno, MY_TYPE_NAME, false, includeSuperProperties, allProperties)) return;
    if (classNode.isInterface()) {
        addError(MY_TYPE_NAME + " cannot be applied to interface " + classNode.getName(), anno);
    }
    List<PropertyNode> properties = findProperties(anno, classNode, includes, excludes, allProperties, includeSuperProperties, allNames);
    implementComparable(classNode);

    addGeneratedMethod(classNode,
            "compareTo",
            ACC_PUBLIC,
            ClassHelper.int_TYPE,
            params(param(newClass(classNode), OTHER)),
            ClassNode.EMPTY_ARRAY,
            createCompareToMethodBody(properties, reversed)
    );

    for (PropertyNode property : properties) {
        createComparatorFor(classNode, property, reversed);
    }
    new VariableScopeVisitor(sourceUnit, true).visitClass(classNode);
}
 

public void visit(GroovyCodeVisitor visitor) {
    AnnotationNode node = (AnnotationNode) getValue();
    Map<String, Expression> attrs = node.getMembers();
    for (Expression expr : attrs.values()) {
        expr.visit(visitor);
    }
    super.visit(visitor);
}
 

public static void visitGeneratedClosure(ClassNode node) {
    MethodNode method = AstUtils.getGeneratedClosureImplMethod(node);
    Boolean isRulesBlock = method.getCode().getNodeMetaData(AST_NODE_METADATA_KEY);
    if (isRulesBlock != null) {
        AnnotationNode markerAnnotation = new AnnotationNode(ANNOTATION_CLASS_NODE);
        node.addAnnotation(markerAnnotation);
    }
}
 

private static boolean acceptableTransform(AnnotationNode annotation) {
    // TODO also check for phase after sourceUnit.getPhase()? but will be ignored anyway?
    // TODO we should only copy those annotations with FIELD_TARGET but haven't visited annotations
    // and gathered target info at this phase, so we can't do this:
    // return annotation.isTargetAllowed(AnnotationNode.FIELD_TARGET);
    // instead just don't copy ourselves for now
    return !annotation.getClassNode().equals(MY_TYPE);
}
 

private static SyntaxException createException(ClassNode trait, ClassNode targetNode, MethodNode forwarder, MethodNode existingMethod) {
    String middle;
    ASTNode errorTarget;
    if (existingMethod.getLineNumber() == -1) {
        // came from a trait
        errorTarget = targetNode;
        List<AnnotationNode> allAnnos = existingMethod.getAnnotations(Traits.TRAITBRIDGE_CLASSNODE);
        AnnotationNode bridgeAnno = allAnnos == null ? null : allAnnos.get(0);
        String fromTrait = null;
        if (bridgeAnno != null) {
            Expression traitClass = bridgeAnno.getMember("traitClass");
            if (traitClass instanceof ClassExpression) {
                ClassExpression ce = (ClassExpression) traitClass;
                fromTrait = ce.getType().getNameWithoutPackage();
            }
        }
        middle = "in '" + targetNode.getNameWithoutPackage();
        if (fromTrait != null) {
            middle += "' from trait '" + fromTrait;
        }
    } else {
        errorTarget = existingMethod;
        middle = "declared in '" + targetNode.getNameWithoutPackage();
    }
    String message = "The static '" + forwarder.getName() + "' method " + middle +
            "' conflicts with the instance method having the same signature from trait '" + trait.getNameWithoutPackage() + "'";
    return new SyntaxException(message, errorTarget);
}
 

@Override
public List<AnnotationNode> getAnnotations() {
    List<AnnotationNode> nodes = new LinkedList<AnnotationNode>();
    for (ClassNode delegate : delegates) {
        List<AnnotationNode> annotations = delegate.getAnnotations();
        if (annotations != null) nodes.addAll(annotations);
    }
    return nodes;
}
 

private static void addGrabResolverAsStaticInitIfNeeded(ClassNode grapeClassNode, AnnotationNode node,
                                                  List<Statement> grabResolverInitializers, Map<String, Object> grabResolverMap) {
    if ((node.getMember("initClass") == null)
        || (node.getMember("initClass") == ConstantExpression.TRUE))
    {
        MapExpression resolverArgs = new MapExpression();
        for (Map.Entry<String, Object> next : grabResolverMap.entrySet()) {
            resolverArgs.addMapEntryExpression(constX(next.getKey()), constX(next.getValue()));
        }
        grabResolverInitializers.add(stmt(callX(grapeClassNode, "addResolver", args(resolverArgs))));
    }
}
 

private ClassNode getAttributeType(AnnotationNode node, String attrName) {
    ClassNode classNode = node.getClassNode();
    List methods = classNode.getMethods(attrName);
    // if size is >1, then the method was overwritten or something, we ignore that
    // if it is an error, we have to test it at another place. But size==0 is
    // an error, because it means that no such attribute exists.
    if (methods.isEmpty()) {
        addError("'" + attrName + "'is not part of the annotation " + classNode.getNameWithoutPackage(), node);
        return ClassHelper.OBJECT_TYPE;
    }
    MethodNode method = (MethodNode) methods.get(0);
    return method.getReturnType();
}
 

public PackageNode setPackage(String packageName, List<AnnotationNode> annotations) {
    this.packageName = packageName;
    if (packageName != null && packageName.length() > 0) {
        packageName += '.';
    }
    PackageNode packageNode = new PackageNode(packageName);
    packageNode.addAnnotations(annotations);
    output.setPackage(packageNode);
    return packageNode;
}
 

private Expression serialize(AnnotationNode an) {
    ClassExpression type = new ClassExpression(an.getClassNode());
    type.setSourcePosition(an.getClassNode());

    MapExpression map = new MapExpression();
    for (Map.Entry<String, Expression> entry : an.getMembers().entrySet()) {
        Expression key = new ConstantExpression(entry.getKey());
        Expression val = serialize(entry.getValue());
        map.addMapEntryExpression(key, val);
    }

    return new ArrayExpression(ClassHelper.OBJECT_TYPE, Arrays.asList(type, map));
}