ASTAtText.java

/* Generated By:JJTree: Do not edit this line. ASTAtText.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 */
package org.openntf.formula.ast;

import java.util.Set;

import org.openntf.formula.EvaluateException;
import org.openntf.formula.FormulaContext;
import org.openntf.formula.FormulaReturnException;
import org.openntf.formula.Function;
import org.openntf.formula.ValueHolder;
import org.openntf.formula.ValueHolder.DataType;
import org.openntf.formula.parse.AtFormulaParserImpl;

public class ASTAtText extends SimpleNode {

	private Function function;

	public ASTAtText(final AtFormulaParserImpl p, final int id) {
		super(p, id);
		function = p.getFunctionLC("@text");
	}

	@Override
	public ValueHolder evaluate(final FormulaContext ctx) throws FormulaReturnException {
		ValueHolder params[] = new ValueHolder[children.length];
		ValueHolder ret = null;
		for (int i = 0; i < children.length; i++) {
			params[i] = children[i].evaluate(ctx);
			if (params[i].dataType == DataType.ERROR) {
				ret = params[i];
				break;
			}
		}
		try {
			if (ret == null) {
				ret = function.evaluate(ctx, params);
			}
		} catch (RuntimeException e) {
			return ValueHolder.valueOf(new EvaluateException(codeLine, codeColumn, e));
		}
		if (ret.dataType == DataType.ERROR)
			ret = ValueHolder.valueOf(ret.getError().getMessage());
		return ret;
	}

	@Override
	protected void analyzeThis(final Set<String> readFields, final Set<String> modifiedFields, final Set<String> variables,
			final Set<String> functions) {
		functions.add("@text");
	}

}
/* JavaCC - OriginalChecksum=44d26c7a72251691e63865deedd5324c (do not edit this line) */