Method identifierOrReservedWord

src/main/java/org/dynjs/parser/js/Lexer.java:592–630

()

    }

    protected Token identifierOrReservedWord() {
        StringBuilder text = new StringBuilder();

        if (isIdentifierStart(la())) {
            if (isUnicodeEscapeSequence(la())) {
                text.append(unicodeEscapeSequence());
            } else {
                text.append((char) consume());
            }
        }

        while (isIdentifierPart(la())) {
            if (isUnicodeEscapeSequence(la())) {
                text.append(unicodeEscapeSequence());
            } else {
                text.append((char) consume());
            }
        }

        if (text.length() == 0) {
            isNonEscapeSequence(la());
            consume();
            consume();
            consume();
            consume();
            consume();
            consume();
            // return null;
            throw new SyntaxError("unicode escapes not allowed here");
        }

        String str = text.toString();

        if (KEYWORDS.contains(str)) {
            return newToken(TokenType.valueOf(str.toUpperCase()), str);
        }

        return newToken(IDENTIFIER, text.toString());
    }

    protected boolean isLineTerminator(char c) {
        return c == '\n' || c == '\r' || c == '\u2028' || c == '\u2029';