Package org.apache.commons.jexl2.parser

Examples of org.apache.commons.jexl2.parser.Node.jjtAccept()

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            JexlNode node = tree.jjtGetChild(0);
            Interpreter interpreter = createInterpreter(context);
            // set the registers
            Object[] r = {r0, bean, r1, value};
            interpreter.setRegisters(r);
            node.jjtAccept(interpreter, null);
        } catch (JexlException xjexl) {
            if (silent) {
                logger.warn(xjexl.getMessage(), xjexl.getCause());
                return;
            }
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        // can have multiple nodes - either an expression, integer literal or
        // reference
        int numChildren = node.jjtGetNumChildren();
        for (int i = 1; i < numChildren; i++) {
            JexlNode nindex = node.jjtGetChild(i);
            Object index = nindex.jjtAccept(this, null);
            object = getAttribute(object, index, nindex);
        }

        return object;
    }
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                while (itemsIterator.hasNext()) {
                    // set loopVariable to value of iterator
                    Object value = itemsIterator.next();
                    context.set(loopVariable.image, value);
                    // execute statement
                    result = statement.jjtAccept(this, data);
                }
            }
        }
        return result;
    }
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    public Object visit(ASTJexlScript node, Object data) {
        int numChildren = node.jjtGetNumChildren();
        Object result = null;
        for (int i = 0; i < numChildren; i++) {
            JexlNode child = node.jjtGetChild(i);
            result = child.jjtAccept(this, data);
        }
        return result;
    }

    /** {@inheritDoc} */
 
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        boolean isVariable = true;
        int v = 0;
        for (int c = 0; c < numChildren; c++) {
            JexlNode theNode = node.jjtGetChild(c);
            isVariable &= (theNode instanceof ASTIdentifier);
            result = theNode.jjtAccept(this, result);
            // if we get null back a result, check for an ant variable
            if (result == null && isVariable) {
                if (v == 0) {
                    variableName = new StringBuilder(node.jjtGetChild(0).image);
                    v = 1;
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    }

    /** {@inheritDoc} */
    public Object visit(ASTUnaryMinusNode node, Object data) {
        JexlNode valNode = node.jjtGetChild(0);
        Object val = valNode.jjtAccept(this, data);
        if (val instanceof Byte) {
            byte valueAsByte = ((Byte) val).byteValue();
            return Byte.valueOf((byte) -valueAsByte);
        } else if (val instanceof Short) {
            short valueAsShort = ((Short) val).shortValue();
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            // integer literals may be part of an antish var name only if no bean was found so far
            if (result == null && theNode instanceof ASTNumberLiteral && ((ASTNumberLiteral) theNode).isInteger()) {
                isVariable &= v > 0;
            } else {
                isVariable &= (theNode instanceof ASTIdentifier);
                result = theNode.jjtAccept(this, result);
            }
            // if we get null back a result, check for an ant variable
            if (result == null && isVariable) {
                if (v == 0) {
                    variableName = new StringBuilder(node.jjtGetChild(0).image);
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    }

    /** {@inheritDoc} */
    public Object visit(ASTUnaryMinusNode node, Object data) {
        JexlNode valNode = node.jjtGetChild(0);
        Object val = valNode.jjtAccept(this, data);
        try {
            Object number = arithmetic.negate(val);
            // attempt to recoerce to literal class
            if (valNode instanceof ASTNumberLiteral && number instanceof Number) {
                number = arithmetic.narrowNumber((Number) number, ((ASTNumberLiteral) valNode).getLiteralClass());
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            // make arg cause become the root cause
            JexlNode root = node;
            while (root.jjtGetParent() != null) {
                root = root.jjtGetParent();
            }
            root.jjtAccept(this, null);
        }
        return end > 0;
    }

    /**
 
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        // can have multiple nodes - either an expression, integer literal or reference
        int numChildren = node.jjtGetNumChildren();
        for (int i = 1; i < numChildren; i++) {
            JexlNode nindex = node.jjtGetChild(i);
            if (nindex instanceof JexlNode.Literal<?>) {
                object = nindex.jjtAccept(this, object);
            } else {
                Object index = nindex.jjtAccept(this, null);
                object = getAttribute(object, index, nindex);
            }
        }
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