001/**
002 *
003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
004 *
005 * This library is free software; you can redistribute it and/or
006 * modify it under the terms of the GNU Lesser General Public
007 * License as published by the Free Software Foundation; either 
008 * version 2.1 of the License, or (at your option) any later version.
009 * 
010 * This library is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013 * Lesser General Public License for more details.
014 * 
015 * You should have received a copy of the GNU Lesser General Public 
016 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
017 * 
018 **/
019package lucee.transformer.cfml.evaluator.func.impl;
020
021import lucee.runtime.exp.TemplateException;
022import lucee.transformer.bytecode.cast.CastString;
023import lucee.transformer.bytecode.expression.Expression;
024import lucee.transformer.bytecode.expression.var.Argument;
025import lucee.transformer.bytecode.expression.var.BIF;
026import lucee.transformer.bytecode.op.OpBigDecimal;
027import lucee.transformer.bytecode.op.OpDouble;
028import lucee.transformer.cfml.evaluator.FunctionEvaluator;
029import lucee.transformer.library.function.FunctionLibFunction;
030
031
032public class PrecisionEvaluate implements FunctionEvaluator {
033
034        @Override
035        public void evaluate(BIF bif, FunctionLibFunction flf) throws TemplateException {
036
037                Argument[] args = bif.getArguments();
038
039                for (Argument arg : args) {
040                        Expression value = arg.getValue();
041                        if (value instanceof OpDouble) {
042                                arg.setValue(CastString.toExprString(toOpBigDecimal(((OpDouble)value))), "any");
043                        }
044                }
045        }
046
047        private OpBigDecimal toOpBigDecimal(OpDouble op) {
048                Expression left = op.getLeft();
049                Expression right = op.getRight();
050                if(left instanceof OpDouble) left=toOpBigDecimal((OpDouble) left);
051                if(right instanceof OpDouble) right=toOpBigDecimal((OpDouble) right);
052                return new OpBigDecimal(left, right, op.getOperation());
053        }
054}