ParserUtils.java

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// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.nereids.parser;

import org.antlr.v4.runtime.CharStream;
import org.antlr.v4.runtime.ParserRuleContext;
import org.antlr.v4.runtime.Token;
import org.antlr.v4.runtime.misc.Interval;

import java.util.function.Supplier;

/**
 * Utils for parser.
 */
public class ParserUtils {
    public static <T> T withOrigin(ParserRuleContext ctx, Supplier<T> f) {
        return f.get();
    }

    public static String command(ParserRuleContext ctx) {
        CharStream stream = ctx.getStart().getInputStream();
        return stream.getText(Interval.of(0, stream.size() - 1));
    }

    public static Origin position(Token token) {
        return new Origin(token.getLine(), token.getCharPositionInLine());
    }

    /**
     * getSecond
     */
    public static long getSecond(long value, String s) {
        switch (s) {
            case "DAY":
                return value * 24 * 60 * 60;
            case "HOUR":
                return value * 60 * 60;
            default:
                return value;
        }
    }
}