Method isIdentifierStart

src/main/java/org/dynjs/parser/js/Lexer.java:495–497

(int c)

    }

    private boolean isIdentifierStart(int c) {
        return (Character.isLetter(c) || Character.getType(c) == Character.LETTER_NUMBER || c == '$' || c == '_' || (isUnicodeEscapeSequence(c) && !isNonEscapeSequence(c)));
    }

    private boolean isIdentifierPart(int c) {
        if (isIdentifierStart(c)) {