ReferenceElement.java

package org.fandev.lang.fan.parsing.statements.typeDefinitions;

import com.intellij.lang.PsiBuilder;
import org.fandev.lang.fan.FanElementTypes;
import org.fandev.lang.fan.FanTokenTypes;
import static org.fandev.lang.fan.FanTokenTypes.IDENTIFIER_TOKENS_SET;

/**
 * @author Dror Bereznitsky
 * @date Jan 6, 2009 10:42:23 PM
 */
public class ReferenceElement {
    public static boolean parseReferenceElement(final PsiBuilder builder) {
        final PsiBuilder.Marker refelMark = builder.mark();
        boolean res = parse(builder);
        if (res && FanTokenTypes.COLON_COLON == builder.getTokenType()) {
            // First one was pod name
            builder.advanceLexer();
            res = parse(builder);
        }
        if (res) {
            refelMark.done(FanElementTypes.REFERENCE_ELEMENT);
        } else {
            refelMark.drop();
        }
        return res;
    }

    public static boolean parse(final PsiBuilder builder) {
        if (IDENTIFIER_TOKENS_SET.contains(builder.getTokenType())) {
            builder.advanceLexer();
            return true;
        }
        return false;
    }
}