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|
/*
* @LANG: c
*
* Testing fcall in an EOF action.
*/
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
int neg;
int value;
%%{
machine atoi;
action begin {
neg = 0;
value = 0;
}
action see_neg
{
neg = 1;
}
action add_digit
{
value = value * 10 + ( int ) ( fc - 48 );
}
action finish
{
if ( neg != 0 ) {
value = -1 * value;
}
}
action print
{
printf( "%d", value );
printf( "%s", "\n" );
}
atoi = (
('-'@see_neg | '+')? (digit @add_digit)+
) >begin %finish;
main := atoi '\n' @print %{ printf("goto extra\n"); fcall extra; };
extra := "" %{ printf("done: %d\n", (int)(p-data)); };
}%%
%% write data;
int cs;
int blen;
char buffer[1024];
int top, stack[1];
void init()
{
value = 0;
neg = 0;
%% write init;
}
void exec( char *data, int len )
{
char *p = data;
char *pe = data + len;
char *eof = pe;
%% write exec;
}
void finish( )
{
if ( cs >= atoi_first_final )
printf( "ACCEPT\n" );
else
printf( "FAIL\n" );
}
char *inp[] = {
"1\n",
"12\n",
"222222\n",
"+2123\n",
"213 3213\n",
"-12321\n",
"--123\n",
"-99\n",
" -3000\n",
};
int inplen = 9;
int main( )
{
int i;
for ( i = 0; i < inplen; i++ ) {
init();
exec( inp[i], strlen(inp[i]) );
finish();
}
return 0;
}
#ifdef ___________OUTPUT___________
1
goto extra
done: 2
ACCEPT
12
goto extra
done: 3
ACCEPT
222222
goto extra
done: 7
ACCEPT
2123
goto extra
done: 6
ACCEPT
FAIL
-12321
goto extra
done: 7
ACCEPT
FAIL
-99
goto extra
done: 4
ACCEPT
FAIL
#endif
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