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|
host( "working/element1.rl", 1 ) @{/*
* @@LANG: c++
*/
#include <iostream>
using namespace std;
struct LangEl
{
int key;
const char *name;
};
struct Fsm
{
int cs;
// Initialize the machine. Invokes any init statement blocks. Returns 0
// if the machine begins in a non-accepting state and 1 if the machine
// begins in an accepting state.
int init( );
// Execute the machine on a block of data. Returns -1 if after processing
// the data, the machine is in the error state and can never accept, 0 if
// the machine is in a non-accepting state and 1 if the machine is in an
// accepting state.
int execute( LangEl *data, int len );
// Indicate that there is no more data. Returns -1 if the machine finishes
// in the error state and does not accept, 0 if the machine finishes
// in any other non-accepting state and 1 if the machine finishes in an
// accepting state.
int finish( );
};
}@
array s8 _Fsm_eof_actions( 0, 2 ) = { 0, 0, 0, 2, 0 };
array s8 _Fsm_nfa_targs( 0, 0 ) = { 0, 0 };
array s8 _Fsm_nfa_offsets( 0, 0 ) = { 0, 0, 0, 0, 0 };
array s8 _Fsm_nfa_push_actions( 0, 0 ) = { 0, 0 };
array s8 _Fsm_nfa_pop_trans( 0, 0 ) = { 0, 0 };
value int Fsm_start = 1;
value int Fsm_first_final = 3;
value int Fsm_error = 0;
value int Fsm_en_main = 1;
host( "working/element1.rl", 54 ) @{
int Fsm::init( )
{
}@
{
cs = cast(int)Fsm_start;
}
host( "working/element1.rl", 58 ) @{
return 0;
}
int Fsm::execute( LangEl *data, int len )
{
LangEl *p = data;
LangEl *pe = data + len;
LangEl *eof_marker = pe;
}@
{
if ( p == pe )
goto _test_eof;
if ( cs == 0 )
goto _out;
_resume:
switch ( cs ) {
case 1:
if ( host( "-", 1 ) ={p->key}= == 1 ) {
goto ctr0;
}
{
goto ctr1;
}
case 0:
goto _out;
case 2:
switch( host( "-", 1 ) ={p->key}= ) {
case 2: {
goto ctr0;
}
case 3: {
goto ctr2;
}
}
{
goto ctr1;
}
case 3:
{
goto ctr1;
}
}
ctr1: cs = 0; goto _again;
ctr0: cs = 2; goto f0;
ctr2: cs = 3; goto f0;
f0:
host( "working/element1.rl", 49 ) ${cout << p->name << endl;}$
goto _again;
_again:
if ( cs == 0 )
goto _out;
p+= 1;
if ( p != pe )
goto _resume;
_test_eof: {}
if ( p == host( "-", 1 ) ={ eof_marker}= )
{
switch ( _Fsm_eof_actions[cs] ) {
case 2{
host( "working/element1.rl", 50 ) ${cout << "accept" << endl;}$
}
}
}
_out: {}
}
host( "working/element1.rl", 67 ) @{
if ( cs == Fsm_error )
return -1;
if ( cs >= Fsm_first_final )
return 1;
return 0;
}
int Fsm::finish( )
{
if ( cs == Fsm_error )
return -1;
if ( cs >= Fsm_first_final )
return 1;
return 0;
}
int main( )
{
static Fsm fsm;
static LangEl lel[] = {
{1, "one"},
{2, "two-a"},
{2, "two-b"},
{2, "two-c"},
{3, "three"}
};
fsm.init();
fsm.execute( lel, 5 );
fsm.finish();
return 0;
}
}@
|
