Examples of JexlNode

org.apache.commons.jexl2.parser.JexlNode
Base class for parser nodes - holds an 'image' of the token for later use. @since 2.0

Examples of org.apache.commons.jexl2.parser.JexlNode

        return Boolean.TRUE;
    }


    /** {@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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Examples of org.apache.commons.jexl2.parser.JexlNode

        Debugger dbg = new Debugger();
        // iterate over all expression in cache
        Iterator<Map.Entry<String,ASTJexlScript>> inodes = jexl.cache.entrySet().iterator();
        while (inodes.hasNext()) {
            Map.Entry<String,ASTJexlScript> entry = inodes.next();
            JexlNode node = entry.getValue();
            // recreate expr string from AST
            dbg.debug(node);
            String expressiondbg = dbg.data();
            // recreate expr from string
            Expression exprdbg = jdbg.createExpression(expressiondbg);
            // make arg cause become the root cause
            JexlNode root = ((ExpressionImpl) exprdbg).script;
            while (root.jjtGetParent() != null) {
                root = root.jjtGetParent();
            }
            // test equality
            String reason = JexlTestCase.checkEquals(root, node);
            if (reason != null) {
                throw new RuntimeException("debugger equal failed: "

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Examples of org.apache.commons.jexl2.parser.JexlNode

        Debugger dbg = new Debugger();
        // iterate over all expression in cache
        Iterator<Map.Entry<String,ASTJexlScript>> inodes = jexl.cache.entrySet().iterator();
        while (inodes.hasNext()) {
            Map.Entry<String,ASTJexlScript> entry = inodes.next();
            JexlNode node = entry.getValue();
            // recreate expr string from AST
            dbg.debug(node);
            String expressiondbg = dbg.data();
            // recreate expr from string
            Script exprdbg = jdbg.createScript(expressiondbg);
            // make arg cause become the root cause
            JexlNode root = ((ExpressionImpl) exprdbg).script;
            while (root.jjtGetParent() != null) {
                root = root.jjtGetParent();
            }
            // test equality
            String reason = JexlTestCase.checkEquals(root, node);
            if (reason != null) {
                throw new RuntimeException("debugger equal failed: "

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Examples of org.apache.commons.jexl2.parser.JexlNode

        int v = 0;
        for (int c = 0; c < numChildren; c++) {
            if (isCancelled()) {
                throw new JexlException.Cancel(node);
            }
            JexlNode theNode = node.jjtGetChild(c);
            // 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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Examples of org.apache.commons.jexl2.parser.JexlNode

        return Boolean.TRUE;
    }


    /** {@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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Examples of org.apache.commons.jexl2.parser.JexlNode

        end = 0;
        if (node != null) {
            builder.setLength(0);
            this.cause = node;
            // 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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Examples of org.apache.commons.jexl2.parser.JexlNode

    /** {@inheritDoc} */
    public Object visit(ASTBlock node, Object data) {
        builder.append("{ ");
        int num = node.jjtGetNumChildren();
        for (int i = 0; i < num; ++i) {
            JexlNode child = node.jjtGetChild(i);
            acceptStatement(child, data);
        }
        builder.append(" }");
        return data;
    }

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Examples of org.apache.commons.jexl2.parser.JexlNode


    /** {@inheritDoc} */
    public Object visit(ASTJexlScript node, Object data) {
        int num = node.jjtGetNumChildren();
        for (int i = 0; i < num; ++i) {
            JexlNode child = node.jjtGetChild(i);
            acceptStatement(child, data);
        }
        return data;
    }

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Examples of org.apache.commons.jexl2.parser.JexlNode

        return data;
    }


    /** {@inheritDoc} */
    public Object visit(ASTReferenceExpression node, Object data) {
        JexlNode first = node.jjtGetChild(0);
        builder.append('(');
        accept(first, data);
        builder.append(')');
        int num = node.jjtGetNumChildren();
        for (int i = 1; i < num; ++i) {

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Examples of org.apache.commons.jexl2.parser.JexlNode

         */
        Object left = node.jjtGetChild(0).jjtAccept(this, data);
        for (int c = 2, size = node.jjtGetNumChildren(); c < size; c += 2) {
            Object right = node.jjtGetChild(c).jjtAccept(this, data);
            try {
                JexlNode op = node.jjtGetChild(c - 1);
                if (op instanceof ASTAdditiveOperator) {
                    String which = op.image;
                    if ("+".equals(which)) {
                        left = arithmetic.add(left, right);
                        continue;
                    }
                    if ("-".equals(which)) {
                        left = arithmetic.subtract(left, right);
                        continue;
                    }
                    throw new UnsupportedOperationException("unknown operator " + which);
                }
                throw new IllegalArgumentException("unknown operator " + op);
            } catch (ArithmeticException xrt) {
                JexlNode xnode = findNullOperand(xrt, node, left, right);
                throw new JexlException(xnode, "+/- error", xrt);
            }
        }
        return left;
    }

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