/* Generated By:JJTree: Do not edit this line. ASTAtDoWhile.java Version 4.3 */
/* JavaCCOptions:MULTI=true,NODE_USES_PARSER=true,VISITOR=false,TRACK_TOKENS=false,NODE_PREFIX=AST,NODE_EXTENDS=,NODE_FACTORY=,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */
/*
* © Copyright FOCONIS AG, 2014
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package org.openntf.formula.ast;
import java.util.Set;
import org.openntf.formula.FormulaContext;
import org.openntf.formula.FormulaReturnException;
import org.openntf.formula.ValueHolder;
import org.openntf.formula.ValueHolder.DataType;
import org.openntf.formula.parse.AtFormulaParserImpl;
public class ASTAtDoWhile extends SimpleNode {
public ASTAtDoWhile(final AtFormulaParserImpl p, final int id) {
super(p, id);
}
/**
* AtDoWhile returns always TRUE, or an Error-ValueHolder, if an error occurs in the last parameter.
*/
@Override
public ValueHolder evaluate(final FormulaContext ctx) throws FormulaReturnException {
ValueHolder ret = null;
if (children != null) {
do {
for (int i = 0; i < children.length; ++i) {
ret = children[i].evaluate(ctx);
}
if (ret == null)
break; // should not happen
if (ret.dataType == DataType.ERROR)
return ret;
} while (ret.isTrue(ctx));
}
return ValueHolder.valueOf(1); // returns always TRUE
}
/**
* adds doWhile to the formula list
*/
@Override
protected void analyzeThis(final Set<String> readFields, final Set<String> modifiedFields, final Set<String> variables,
final Set<String> functions) {
functions.add("@dowhile");
}
}
/* JavaCC - OriginalChecksum=3d9a997fad4a26e001d6dec704a9797f (do not edit this line) */