/**
*
* Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
* Copyright (c) 2015, Lucee Assosication Switzerland
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
**/
package lucee.transformer.cfml.evaluator;
import lucee.runtime.exp.TemplateException;
import lucee.transformer.bytecode.expression.var.BIF;
import lucee.transformer.library.function.FunctionLibFunction;
public interface FunctionEvaluator {
public FunctionLibFunction pre(BIF bif, FunctionLibFunction flf) throws TemplateException;
/**
* this method is executed to check the tag itself, the method is invoked after Lucee has read that function,
* but before reading the rest. so you have not the complete environment of the functiom.
*/
public void execute(BIF bif, FunctionLibFunction flf) throws TemplateException;
/**
* This method is invoked to check the environment of a function,
* the method is invoked AFTER the parser has read the complete template, so you have the full environment.
* @param bif
* @param flf the definition of the function from the fld file
* @throws TemplateException
*/
public void evaluate(BIF bif, FunctionLibFunction flf) throws EvaluatorException;
}