org.unlaxer.ast.RecursiveZeroOrMoreOperator Maven / Gradle / Ivy

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package org.unlaxer.ast;

import java.util.Iterator;

import org.unlaxer.Token;
import org.unlaxer.TokenList;

public interface RecursiveZeroOrMoreOperator extends ASTMapper{

	/* fit to following
	new Parsers(
		Parser.get(StringFactorParser.class),
		new ZeroOrMore(
			Parser.get(SliceParser.class)
		)
	);
	*/
	@Override
	default Token toAST(ASTMapperContext context , Token parsedToken) {
		
	  TokenList tokens = parsedToken.getAstNodeChildren();
		Iterator iterator = tokens.iterator();
		
		// get operand
		Token lastOpearatorAndOperands = context.toAST(iterator.next());;
		
		while(iterator.hasNext()){
			Token operator = iterator.next();
			lastOpearatorAndOperands = 
//				operator.newCreatesOf(operator , lastOpearatorAndOperands);
				operator.newCreatesOf(lastOpearatorAndOperands);
		}
		return lastOpearatorAndOperands;
	}
}