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 $

    private int callSiteArrayVarIndex;
    private WriterController controller;
    
    public CallSiteWriter(WriterController wc) {
        this.controller = wc;
        ClassNode node = controller.getClassNode();
        if(node instanceof InterfaceHelperClassNode) {
            InterfaceHelperClassNode ihcn = (InterfaceHelperClassNode) node;
            callSites.addAll(ihcn.getCallSites());
        }
    }

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    /**
     * return the type of an expression, taking meta data into account 
     */
    protected static ClassNode getType(Expression exp, ClassNode current) {
        StatementMeta meta = (StatementMeta) exp.getNodeMetaData(StatementMeta.class);
        ClassNode type = null;
        if (meta!=null) type = meta.type;
        if (type!=null) return type;
        if (exp instanceof VariableExpression) {
            VariableExpression ve = (VariableExpression) exp;
            if (ve.isClosureSharedVariable()) return ve.getType();
            type = ve.getOriginType();
            if (ve.getAccessedVariable() instanceof FieldNode) {
                FieldNode fn = (FieldNode) ve.getAccessedVariable();
                if (!fn.getDeclaringClass().equals(current)) return OBJECT_TYPE;
            }
        } else if (exp instanceof Variable) {
            Variable v = (Variable) exp;
            type = v.getOriginType();
        } else {
            type = exp.getType();
        }
        return type.redirect();
    }

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        return ret;
    }
    
    @Override
    protected void evaluateCompareExpression(final MethodCaller compareMethod, BinaryExpression binExp) {
        ClassNode current =  getController().getClassNode();
        int operation = binExp.getOperation().getType();
        
        Expression leftExp = binExp.getLeftExpression();
        ClassNode leftType = getType(leftExp, current);
        Expression rightExp = binExp.getRightExpression();
        ClassNode rightType = getType(rightExp, current);
        
        int operationType = getOperandConversionType(leftType,rightType);
        BinaryExpressionWriter bew = binExpWriter[operationType];
        
        if (bew.write(operation, true)) {

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    }
    
    @Override
    protected void evaluateBinaryExpression(final String message, BinaryExpression binExp) {
        int operation = binExp.getOperation().getType();
        ClassNode current =  getController().getClassNode();


        Expression leftExp = binExp.getLeftExpression();
        ClassNode leftTypeOrig = getType(leftExp, current);
        ClassNode leftType = leftTypeOrig;
        Expression rightExp = binExp.getRightExpression();
        ClassNode rightType = getType(rightExp, current);
        if (operation==LEFT_SQUARE_BRACKET) {
            leftType = leftTypeOrig.getComponentType();
        }


        int operationType = getOperandConversionType(leftType,rightType);

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        }
        
        // we need to handle only assignment to arrays combined with an operation
        // special here. e.g x[a] += b
        
        ClassNode current =  getController().getClassNode();
        int operation = removeAssignment(binExp.getOperation().getType());
        
        Expression leftExp = binExp.getLeftExpression();
        ClassNode leftType = getType(leftExp, current);
        Expression rightExp = binExp.getRightExpression();
        ClassNode rightType = getType(rightExp, current);
        
        int operationType = getOperandConversionType(leftType,rightType);
        BinaryExpressionWriter bew = binExpWriter[operationType];
        
        boolean simulationSuccess = bew.arrayGet(LEFT_SQUARE_BRACKET, true);

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        compileStack.removeVar(subscriptValueId);
    }
    
    @Override
    protected void assignToArray(Expression orig, Expression receiver, Expression index, Expression rhsValueLoader) {
        ClassNode current = getController().getClassNode();
        ClassNode arrayType = getType(receiver, current);
        ClassNode arrayComponentType = arrayType.getComponentType();
        int operationType = getOperandType(arrayComponentType);
        BinaryExpressionWriter bew = binExpWriter[operationType];
        AsmClassGenerator acg = getController().getAcg();
        
        if (bew.arraySet(true)) {

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        }
    }
    
    @Override
    protected void writePostOrPrefixMethod(int op, String method,  Expression expression, Expression orig) {
        ClassNode type = getType(orig,getController().getClassNode());
        int operationType = getOperandType(type);
        BinaryExpressionWriter bew = binExpWriter[operationType];
        if (bew.writePostOrPrefixMethod(op,true)) {
            OperandStack operandStack   =   getController().getOperandStack();
            // at this point the receiver will be already on the stack

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            if (generatedClass == null) {
                ModuleNode mn = classNode.getModule();
                SourceUnit msu = null;
                if (mn != null) msu = mn.getContext();
                ClassNode main = null;
                if (mn != null) main = (ClassNode) mn.getClasses().get(0);
                if (msu == su && main == classNode) generatedClass = theClass;
            }


            return theClass;

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    private List<Expression> sizeExpression;


    private ClassNode elementType;


    private static ClassNode makeArray(ClassNode base, List<Expression> sizeExpression) {
        ClassNode ret = base.makeArray();
        if (sizeExpression == null) return ret;
        int size = sizeExpression.size();
        for (int i = 1; i < size; i++) {
            ret = ret.makeArray();
        }
        return ret;
    }

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            operandStack.loadOrStoreVariable(var, false);
            return;
        }
        
        // let's evaluate the RHS and store the result
        ClassNode rhsType;
        if (rightExpression instanceof EmptyExpression) {
            rhsType = leftExpression.getType();
            loadInitValue(rhsType);
        } else {
            rightExpression.visit(acg);

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