int mark = lexer.getBufferPosition();
char mark_ch = lexer.getCurrent();
int mark_token = lexer.token();
{
size = lexer.scanFieldLong(size_);
if (lexer.matchStat == JSONScanner.NOT_MATCH) {
lexer.reset(mark, mark_ch, mark_token);
throw new UnsupportedOperationException();
}
}