test/erract3.rl

   1 /*
   2  * @LANG: c
   3  */
   4
   5 #include <stdio.h>
   6 #define IDENT_BUFLEN 256
   7
   8 struct erract
   9 {
  10         int cs;
  11 };
  12
  13 %%{
  14         machine erract;
  15         variable cs fsm->cs;
  16
  17         # The data that is to go into the fsm structure.
  18         action hello_fails { printf("hello fails\n");}
  19
  20         newline = ( any | '\n' @{printf("newline\n");} )*;
  21         hello = 'hello\n'* $lerr hello_fails @eof hello_fails;
  22         main := newline | hello;
  23 }%%
  24
  25 %% write data;
  26
  27 void erract_init( struct erract *fsm )
  28 {
  29         %% write init;
  30 }
  31
  32 void erract_execute( struct erract *fsm, const char *_data, int _len )
  33 {
  34         const char *p = _data;
  35         const char *pe = _data+_len;
  36         const char *eof = pe;
  37         %% write exec;
  38 }
  39
  40 int erract_finish( struct erract *fsm )
  41 {
  42         if ( fsm->cs == erract_error )
  43                 return -1;
  44         else if ( fsm->cs >= erract_first_final )
  45                 return 1;
  46         return 0;
  47 }
  48
  49 #include <stdio.h>
  50 #include <string.h>
  51
  52 struct erract fsm;
  53
  54 void test( char *buf )
  55 {
  56         int len = strlen(buf);
  57         erract_init( &fsm );
  58         erract_execute( &fsm, buf, len );
  59         if ( erract_finish( &fsm ) > 0 )
  60                 printf("ACCEPT\n");
  61         else
  62                 printf("FAIL\n");
  63 }
  64
  65 int main()
  66 {
  67         test(
  68                 "hello\n"
  69                 "hello\n"
  70                 "hello\n"
  71         );
  72
  73         test(
  74                 "hello\n"
  75                 "hello\n"
  76                 "hello there\n"
  77         );
  78
  79         test(
  80                 "hello\n"
  81                 "hello\n"
  82                 "he"    );
  83
  84         test( "" );
  85
  86         return 0;
  87 }
  88
  89 #ifdef _____OUTPUT_____
  90 newline
  91 newline
  92 newline
  93 ACCEPT
  94 newline
  95 newline
  96 hello fails
  97 newline
  98 ACCEPT
  99 newline
 100 newline
 101 hello fails
 102 ACCEPT
 103 ACCEPT
 104 #endif