Function scanUnicodeCodePointEscape

docs/tests/v2/es6/js/sanddance.js:128053–128084

()

}

function scanUnicodeCodePointEscape() {
  var ch, code, cu1, cu2;
  ch = source[index];
  code = 0; // At least, one hex digit is required.

  if (ch === '}') {
    throwError({}, MessageUnexpectedToken, ILLEGAL);
  }

  while (index < length) {
    ch = source[index++];

    if (!isHexDigit(ch)) {
      break;
    }

    code = code * 16 + '0123456789abcdef'.indexOf(ch.toLowerCase());
  }

  if (code > 0x10FFFF || ch !== '}') {
    throwError({}, MessageUnexpectedToken, ILLEGAL);
  } // UTF-16 Encoding


  if (code <= 0xFFFF) {
    return String.fromCharCode(code);
  }

  cu1 = (code - 0x10000 >> 10) + 0xD800;
  cu2 = (code - 0x10000 & 1023) + 0xDC00;
  return String.fromCharCode(cu1, cu2);
}

function getEscapedIdentifier() {
  var ch, id;