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/*
* @LANG: c
*/
/*
* Test in and out state actions.
*/
#include <stdio.h>
#include <string.h>
struct state_chart
{
int cs;
};
%%{
machine state_chart;
variable cs fsm->cs;
action a { printf("a"); }
action b { printf("b"); }
action hexa { printf("a"); }
action hexb { printf("b"); }
hex_a = '0x' '0'* '61' @hexa;
hex_b = '0x' '0'* '62' @hexb;
a = 'a' @a | hex_a;
b = 'b' @b | hex_b;
ws = ' '+;
mach =
start: (
a -> st1 |
b -> st2 |
zlen -> final
),
st1: (
a -> st1 |
ws -> start |
zlen -> final
),
st2: (
b -> st2 |
ws -> start |
zlen -> final
);
main := ( mach '\n' )*;
}%%
%% write data;
void state_chart_init( struct state_chart *fsm )
{
%% write init;
}
void state_chart_execute( struct state_chart *fsm, const char *_data, int _len )
{
const char *p = _data;
const char *pe = _data+_len;
%% write exec;
}
int state_chart_finish( struct state_chart *fsm )
{
if ( fsm->cs == state_chart_error )
return -1;
if ( fsm->cs >= state_chart_first_final )
return 1;
return 0;
}
struct state_chart sc;
void test( char *buf )
{
int len = strlen( buf );
state_chart_init( &sc );
state_chart_execute( &sc, buf, len );
state_chart_finish( &sc );
printf("\n");
}
int main()
{
test(
"aa0x0061aa b\n"
"bbb0x62b 0x61 0x000062\n"
);
return 0;
}
#ifdef _____OUTPUT_____
aaaaabbbbbbab
#endif
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