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 curstate 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         %% write exec;
  37 }
  38
  39 int erract_finish( struct erract *fsm )
  40 {
  41         %% write eof;
  42
  43         if ( fsm->cs == erract_error )
  44                 return -1;
  45         else if ( fsm->cs >= erract_first_final )
  46                 return 1;
  47         return 0;
  48 }
  49
  50 #include <stdio.h>
  51 #include <string.h>
  52
  53 struct erract fsm;
  54
  55 void test( char *buf )
  56 {
  57         int len = strlen(buf);
  58         erract_init( &fsm );
  59         erract_execute( &fsm, buf, len );
  60         if ( erract_finish( &fsm ) > 0 )
  61                 printf("ACCEPT\n");
  62         else
  63                 printf("FAIL\n");
  64 }
  65
  66 int main()
  67 {
  68         test(
  69                 "hello\n"
  70                 "hello\n"
  71                 "hello\n"
  72         );
  73
  74         test(
  75                 "hello\n"
  76                 "hello\n"
  77                 "hello there\n"
  78         );
  79
  80         test(
  81                 "hello\n"
  82                 "hello\n"
  83                 "he"    );
  84
  85         test( "" );
  86
  87         return 0;
  88 }
  89
  90 #ifdef _____OUTPUT_____
  91 newline
  92 newline
  93 newline
  94 ACCEPT
  95 newline
  96 newline
  97 hello fails
  98 newline
  99 ACCEPT
 100 newline
 101 newline
 102 hello fails
 103 ACCEPT
 104 ACCEPT
 105 #endif