Examples of org.codehaus.groovy.ast.ClassNode

org.codehaus.groovy.ast.ClassNode
Represents a class in the AST.
A ClassNode should be created using the methods in ClassHelper. This ClassNode may be used to represent a class declaration or any other type. This class uses a proxy meschanism allowing to create a class for a plain name at ast creation time. In another phase of the compiler the real ClassNode for the plain name may be found. To avoid the need of exchanging this ClassNode with an instance of the correct ClassNode the correct ClassNode is set as redirect. Most method calls are then redirected to that ClassNode.
Note: the proxy mechanism is only allowed for classes being marked as primary ClassNode which means they represent no actual class. The redirect itself can be any type of ClassNode
To descirbe generic type signature see {@link #getGenericsTypes()} and{@link #setGenericsTypes(GenericsType[])}. These emthods are not proxied, they describe the type signature used at the point of declaration or the type signatures provided by the class. If the type signatures provided by the class are needed, then a call to {@link #redirect()} will help. @see org.codehaus.groovy.ast.ClassHelper @author James Strachan @author Jochen Theodorou @version $Revision: 13567 $

        ClassNode returnType = node.getReturnType();
        checkGenericsUsage(returnType, returnType.redirect());
    }
    
    private boolean checkWildcard(ClassNode cn) {
        ClassNode sn = cn.getUnresolvedSuperClass(false);
        if (sn==null) return false;
        GenericsType[] generics = sn.getGenericsTypes();
        if (generics==null) return false;
        boolean error=false;
        for (int i = 0; i < generics.length; i++) {
            if(generics[i].isWildcard()) {
                addError("A supertype may not specify a wildcard type",sn);

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                      cnTypes.length, n);
            return;
        }
        // check bounds
        for (int i=0; i<nTypes.length; i++) {
            ClassNode nType = nTypes[i].getType();
            ClassNode cnType = cnTypes[i].getType();
            if (!nType.isDerivedFrom(cnType)) {
                if (cnType.isInterface() && nType.declaresInterface(cnType)) continue;
                addError("The type "+nTypes[i].getName()+
                         " is not a valid substitute for the bounded parameter <"+
                         getPrintName(cnTypes[i])+">",n);
            }
        }

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    }
    
    private String getPrintName(GenericsType gt) {
        String ret = gt.getName();
        ClassNode[] upperBounds = gt.getUpperBounds();
        ClassNode lowerBound = gt.getLowerBound();
        if (upperBounds!=null) {
            ret += " extends ";
            for (int i = 0; i < upperBounds.length; i++) {
                ret += getPrintName(upperBounds[i]);
                if (i+1<upperBounds.length) ret += " & ";

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        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;
            checkNotInterface(cNode, MY_TYPE_NAME);
            cNode.addInterface(EXTERNALIZABLE_TYPE);
            boolean includeFields = memberHasValue(anno, "includeFields", true);
            List<String> excludes = tokenize((String) getMemberValue(anno, "excludes"));
            List<FieldNode> list = getInstancePropertyFields(cNode);
            if (includeFields) {
                list.addAll(getInstanceNonPropertyFields(cNode));

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        return sortVisitor;
    }


    private void visit(Closure closure, CodeVisitorSupport visitor) {
        if (closure != null) {
            ClassNode classNode = closure.getMetaClass().getClassNode();
            if (classNode == null) {
                throw new GroovyRuntimeException(
                        "Could not find the ClassNode for MetaClass: " + closure.getMetaClass());
            }
            List methods = classNode.getDeclaredMethods("doCall");
            if (!methods.isEmpty()) {
                MethodNode method = (MethodNode) methods.get(0);
                if (method != null) {
                    Statement statement = method.getCode();
                    if (statement != null) {

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        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;
            checkNotInterface(cNode, MY_TYPE_NAME);
            boolean includeFields = memberHasValue(anno, "includeFields", true);
            boolean includeProperties = !memberHasValue(anno, "includeProperties", false);
            boolean includeSuperFields = memberHasValue(anno, "includeSuperFields", true);
            boolean includeSuperProperties = memberHasValue(anno, "includeSuperProperties", true);
            boolean callSuper = memberHasValue(anno, "callSuper", true);
            boolean force = memberHasValue(anno, "force", true);
            List<String> excludes = tokenize((String) getMemberValue(anno, "excludes"));
            List<String> includes = tokenize((String) getMemberValue(anno, "includes"));
            if (hasAnnotation(cNode, CanonicalASTTransformation.MY_TYPE)) {
                AnnotationNode canonical = cNode.getAnnotations(CanonicalASTTransformation.MY_TYPE).get(0);
                if (excludes == null || excludes.isEmpty()) excludes = tokenize((String) getMemberValue(canonical, "excludes"));
                if (includes == null || includes.isEmpty()) includes = tokenize((String) getMemberValue(canonical, "includes"));
            }
            if (includes != null && !includes.isEmpty() && excludes != null && !excludes.isEmpty()) {
                addError("Error during " + MY_TYPE_NAME + " processing: Only one of 'includes' and 'excludes' should be supplied not both.", anno);

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        return (excludes != null && excludes.contains(name)) || name.contains("$") || (includes != null && !includes.isEmpty() && !includes.contains(name));
    }


    private static Expression providedOrDefaultInitialValue(FieldNode fNode) {
        Expression initialExp = fNode.getInitialExpression() != null ? fNode.getInitialExpression() : ConstantExpression.NULL;
        final ClassNode paramType = fNode.getType();
        if (ClassHelper.isPrimitiveType(paramType) && initialExp.equals(ConstantExpression.NULL)) {
            initialExp = primitivesInitialValues.get(paramType.getTypeClass());
        }
        return initialExp;
    }

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        int[] indexClass = new int[unsorted.size()];
        int[] indexInterface = new int[unsorted.size()];
        {
            int i = 0;
            for (Iterator<ClassNode> iter = unsorted.iterator(); iter.hasNext(); i++) {
                ClassNode element = iter.next();
                if (element.isInterface()) {
                    indexInterface[i] = getSuperInterfaceCount(element);
                    indexClass[i] = -1;
                } else {
                    indexClass[i] = getSuperClassCount(element);
                    indexInterface[i] = -1;

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    public void applyToPrimaryClassNodes(PrimaryClassNodeOperation body) throws CompilationFailedException {
        Iterator classNodes = getPrimaryClassNodes(body.needSortedInput()).iterator();
        while (classNodes.hasNext()) {
            SourceUnit context = null;
            try {
                ClassNode classNode = (ClassNode) classNodes.next();
                context = classNode.getModule().getContext();
                if (context == null || context.phase < phase || (context.phase == phase && !context.phaseComplete)) {
                    body.call(context, new GeneratorContext(this.ast), classNode);
                }
            } catch (CompilationFailedException e) {
                // fall through, getErrorReporter().failIfErrors() will trigger

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        // pop for "makeBlockRecorder(finallyStatement)"
        controller.getCompileStack().pop();


        BlockRecorder catches = makeBlockRecorder(finallyStatement);
        for (CatchStatement catchStatement : statement.getCatchStatements()) {
            ClassNode exceptionType = catchStatement.getExceptionType();
            String exceptionTypeInternalName = BytecodeHelper.getClassInternalName(exceptionType);


            // start catch block, label needed for exception table
            Label catchStart = new Label();
            mv.visitLabel(catchStart);

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