| Server IP : 185.86.78.101 / Your IP : 216.73.216.124 Web Server : Apache System : Linux 675867-vds-valikoshka1996.gmhost.pp.ua 5.4.0-150-generic #167-Ubuntu SMP Mon May 15 17:35:05 UTC 2023 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : OFF Directory : /usr/share/doc/re2c/examples/ |
Upload File : |
#include <stdio.h>
enum num_t { ERR, BIN, OCT, DEC, HEX };
static num_t lex(const char *YYCURSOR)
{
const char *YYMARKER;
/*!re2c
re2c:define:YYCTYPE = char;
re2c:yyfill:enable = 0;
end = "\x00";
bin = '0b' [01]+;
oct = "0" [0-7]*;
dec = [1-9][0-9]*;
hex = '0x' [0-9a-fA-F]+;
* { return ERR; }
bin end { return BIN; }
oct end { return OCT; }
dec end { return DEC; }
hex end { return HEX; }
*/
}
int main(int argc, char **argv)
{
for (int i = 1; i < argc; ++i) {
switch (lex(argv[i])) {
case ERR: printf("error\n"); break;
case BIN: printf("binary\n"); break;
case OCT: printf("octal\n"); break;
case DEC: printf("decimal\n"); break;
case HEX: printf("hexadecimal\n"); break;
}
}
return 0;
}