| Server IP : 85.214.239.14 / Your IP : 3.141.32.252 Web Server : Apache/2.4.62 (Debian) System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.18 Disable Function : 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_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /proc/self/root/usr/share/doc/re2c/examples/c/includes/ |
Upload File : |
/* Generated by re2c */
// re2c $INPUT -o $OUTPUT -i
#include <assert.h>
typedef enum { OK, FAIL } Result;
Result lex(const char *s) {
const char *YYCURSOR = s, *YYMARKER;
{
char yych;
unsigned int yyaccept = 0;
yych = *YYCURSOR;
switch (yych) {
case '.': goto yy3;
case '0': goto yy4;
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9': goto yy5;
default: goto yy1;
}
yy1:
++YYCURSOR;
yy2:
{ return FAIL; }
yy3:
yych = *++YYCURSOR;
switch (yych) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9': goto yy7;
default: goto yy2;
}
yy4:
yyaccept = 0;
yych = *(YYMARKER = ++YYCURSOR);
switch (yych) {
case '.': goto yy7;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9': goto yy9;
case 'E':
case 'e': goto yy11;
default: goto yy2;
}
yy5:
yyaccept = 1;
yych = *(YYMARKER = ++YYCURSOR);
switch (yych) {
case '.': goto yy7;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9': goto yy5;
case 'E':
case 'e': goto yy11;
default: goto yy6;
}
yy6:
{ return OK; }
yy7:
yyaccept = 2;
yych = *(YYMARKER = ++YYCURSOR);
switch (yych) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9': goto yy7;
case 'E':
case 'e': goto yy11;
default: goto yy8;
}
yy8:
{ return OK; }
yy9:
yych = *++YYCURSOR;
switch (yych) {
case '.': goto yy7;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9': goto yy9;
case 'E':
case 'e': goto yy11;
default: goto yy10;
}
yy10:
YYCURSOR = YYMARKER;
switch (yyaccept) {
case 0: goto yy2;
case 1: goto yy6;
default: goto yy8;
}
yy11:
yych = *++YYCURSOR;
switch (yych) {
case '+':
case '-': goto yy12;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9': goto yy13;
default: goto yy10;
}
yy12:
yych = *++YYCURSOR;
switch (yych) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9': goto yy13;
default: goto yy10;
}
yy13:
yych = *++YYCURSOR;
switch (yych) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9': goto yy13;
default: goto yy8;
}
}
}
int main() {
assert(lex("123") == OK);
assert(lex("123.4567") == OK);
return 0;
}