Function warn

src/jslint.js:1120–1148

(message, offender, a, b, c, d)

    }

    function warn(message, offender, a, b, c, d) {
        var character, line, warning;
        offender = offender || next_token;  // ~~
        line = offender.line || 0;
        character = offender.from || 0;
        warning = {
            id: '(error)',
            raw: bundle[message] || message,
            evidence: lines[line - 1] || '',
            line: line,
            character: character,
            a: a || (offender.id === '(number)'
                ? String(offender.number)
                : offender.string),
            b: b,
            c: c,
            d: d
        };
        warning.reason = warning.raw.supplant(warning);
        JSLINT.errors.push(warning);
        if (option.passfail) {
            quit(bundle.stopping, line, character);
        }
        warnings += 1;
        if (warnings >= option.maxerr) {
            quit(bundle.too_many, line, character);
        }
        return warning;
    }

    function warn_at(message, line, character, a, b, c, d) {
        return warn(message, {