Package org.openntf.formula.ast

Source Code of org.openntf.formula.ast.ASTValueList

/* Generated By:JJTree: Do not edit this line. ASTValueList.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 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 ASTValueList extends SimpleNode {

  public ASTValueList(final AtFormulaParserImpl p, final int id) {
    super(p, id);
  }

  @Override
  public ValueHolder evaluate(final FormulaContext ctx) throws FormulaReturnException {

    ValueHolder[] tmpHolders = new ValueHolder[children.length];
    int valueSize = 0;
    int holders = 0;

    for (int i = 0; i < children.length; ++i) {
      // Cumulate all return values
      ValueHolder vh = children[i].evaluate(ctx);
      if (vh != null) {
        if (vh.dataType == DataType.ERROR)
          return vh;
        valueSize += vh.size;
        tmpHolders[holders++] = vh;
      }
    }

    if (holders == 0)
      return null;

    ValueHolder vhRet = tmpHolders[0].newInstance(valueSize);
    for (int i = 0; i < holders; i++) {
      vhRet.addAll(tmpHolders[i]);
    }
    return vhRet;
  }

}
/* JavaCC - OriginalChecksum=25778e343d16cbffbc665da744c998c5 (do not edit this line) */ 
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