Examples of org.codehaus.groovy.ast.ClassNode$MapOfLists

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 $

        operandStack.box();
        rightExp.visit(acg);
        operandStack.box();


        compareMethod.call(controller.getMethodVisitor());
        ClassNode resType = ClassHelper.boolean_TYPE;
        if (compareMethod==findRegexMethod) {
            resType = ClassHelper.OBJECT_TYPE;
        } 
        operandStack.replace(resType,2);
    }

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        OperandStack operandStack = controller.getOperandStack();
        
        expression.getLeftExpression().visit(controller.getAcg());
        operandStack.box();
        Expression rightExp = expression.getRightExpression();
        ClassNode classType;
        if (rightExp instanceof ClassExpression) {
            ClassExpression classExp = (ClassExpression) rightExp;
            classType = classExp.getType();
        } else {
            throw new RuntimeException(

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        // load Expressions
        VariableSlotLoader usesSubscript = loadWithSubscript(expression);


        // save copy for later
        operandStack.dup();
        ClassNode expressionType = operandStack.getTopOperand(); 
        int tempIdx = compileStack.defineTemporaryVariable("postfix_" + method, expressionType, true);
        
        // execute Method
        execMethodAndStoreForSubscriptOperator(op,method,expression,usesSubscript,orig);

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        // we need special code for arrays to store the result (like for a[1]++)
        if (usesSubscript!=null) {
            CompileStack compileStack = controller.getCompileStack();
            BinaryExpression be = (BinaryExpression) expression;
            
            ClassNode methodResultType = operandStack.getTopOperand();
            final int resultIdx = compileStack.defineTemporaryVariable("postfix_" + method, methodResultType, true);
            BytecodeExpression methodResultLoader = new VariableSlotLoader(methodResultType, resultIdx, operandStack);
            
            // execute the assignment, this will leave the right side 
            // (here the method call result) on the stack

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    protected void writePostOrPrefixMethod(int op, String method, Expression expression, Expression orig) {
        final OperandStack operandStack = controller.getOperandStack();
        // at this point the receiver will be already on the stack.
        // in a[1]++ the method will be "++" aka "next" and the receiver a[1]
        
        ClassNode BEType = BinaryExpressionMultiTypeDispatcher.getType(expression,controller.getClassNode());
        Expression callSiteReceiverSwap = new BytecodeExpression(BEType) {
            @Override
            public void visit(MethodVisitor mv) {
                // CallSite is normally not showing up on the 
                // operandStack, so we place a dummy here with same

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 * @version $Revision: 21496 $
 */
public class PropertyTest extends TestSupport {


    public void testFields() throws Exception {
        ClassNode classNode = new ClassNode("Foo", ACC_PUBLIC, ClassHelper.OBJECT_TYPE);
        classNode.addField("x", ACC_PUBLIC, ClassHelper.OBJECT_TYPE, null);
        classNode.addField("y", ACC_PUBLIC, ClassHelper.Integer_TYPE, null);
        classNode.addField("z", ACC_PRIVATE, ClassHelper.STRING_TYPE, null);


        Class fooClass = loadClass(classNode);
        assertTrue("Loaded a new class", fooClass != null);


        assertField(fooClass, "x", Modifier.PUBLIC, ClassHelper.OBJECT_TYPE);

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        assertField(fooClass, "y", Modifier.PUBLIC, ClassHelper.Integer_TYPE);
        assertField(fooClass, "z", Modifier.PRIVATE, ClassHelper.STRING_TYPE);
    }


    public void testProperties() throws Exception {
        ClassNode classNode = new ClassNode("Foo", ACC_PUBLIC + ACC_SUPER, ClassHelper.OBJECT_TYPE);
        classNode.addProperty(new PropertyNode("bar", ACC_PUBLIC, ClassHelper.STRING_TYPE, classNode, null, null, null));


        Class fooClass = loadClass(classNode);
        assertTrue("Loaded a new class", fooClass != null);


        Object bean = fooClass.newInstance();

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        assertGetProperty(bean, "bar", null);
        assertSetProperty(bean, "bar", "newValue");
    }


    public void testInheritedProperties() throws Exception {
        ClassNode classNode = new ClassNode("Foo", ACC_PUBLIC + ACC_SUPER, ClassHelper.make(DummyBean.class));
        classNode.addProperty(new PropertyNode("bar", ACC_PUBLIC, ClassHelper.STRING_TYPE, classNode, null, null, null));


        Class fooClass = loadClass(classNode);
        assertTrue("Loaded a new class", fooClass != null);


        Object bean = fooClass.newInstance();

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    public void popDownTo(int elements) {
        int last = stack.size();
        MethodVisitor mv = controller.getMethodVisitor();
        while (last>elements) {
            last--;
            ClassNode element = stack.remove(last);
            if (isTwoSlotType(element)) {
                mv.visitInsn(POP2);
            } else {
                mv.visitInsn(POP);
            }

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            } else {
                mv.visitIntInsn(BIPUSH, 0);
            }
            stack.add(null);
        } else if (mark==stack.size()-1) {
            ClassNode last =  stack.get(size-1);
            // nothing to do in that case
            if (last == ClassHelper.boolean_TYPE) return;
            // not a primitive type, so call booleanUnbox
            if (!ClassHelper.isPrimitiveType(last)) {
                BytecodeHelper.unbox(mv,ClassHelper.boolean_TYPE);

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