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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_actions( 0, 1 ) = { 0, 1, 0, 1, 1, 0 };
array int _Fsm_trans_keys( 0, 2 ) = { 1, 0, 0, 0, 1, 2, 1, 0, 0 };
array s8 _Fsm_char_class( 0, 2 ) = { 0, 1, 2, 0 };
array s8 _Fsm_index_offsets( 0, 3 ) = { 0, 0, 1, 3, 0 };
array s8 _Fsm_indices( 0, 2 ) = { 0, 0, 2, 0 };
array s8 _Fsm_index_defaults( 0, 1 ) = { 0, 1, 1, 1, 0 };
array s8 _Fsm_trans_cond_spaces( -1, 0 ) = { -1, -1, -1, 0 };
array s8 _Fsm_cond_targs( 0, 3 ) = { 2, 0, 3, 0 };
array s8 _Fsm_cond_actions( 0, 1 ) = { 1, 0, 1, 0 };
array s8 _Fsm_eof_actions( 0, 3 ) = { 0, 0, 0, 3, 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;
}@
{
uint _trans = 0;
uint _have = 0;
uint _cont = 1;
index s8 _acts;
uint _nacts;
index int _keys;
index s8 _inds;
while ( _cont == 1 ) {
if ( cs == 0 )
_cont = 0;
_have = 0;
if ( p == pe ) {
if ( p == host( "-", 1 ) ={ eof_marker}= )
{
if ( _have == 0 ) {
index s8 __acts;
uint __nacts;
__acts = offset( _Fsm_actions, _Fsm_eof_actions[cs] );
__nacts = cast(uint)deref( _Fsm_actions, __acts );
__acts += 1;
while ( __nacts > 0 ) {
switch ( deref( _Fsm_actions, __acts ) ) {
case 1 {
host( "working/element1.rl", 50 ) ${cout << "accept" << endl;}$
}
}
__nacts -= 1;
__acts += 1;
}
}
}
if ( _have == 0 )
_cont = 0;
}
if ( _cont == 1 ) {
if ( _have == 0 ) {
_keys = offset( _Fsm_trans_keys, (cs<<1) );
_inds = offset( _Fsm_indices, _Fsm_index_offsets[cs] );
if ( host( "-", 1 ) ={p->key}= <= 3 && host( "-", 1 ) ={p->key}= >= 1 )
{
int _ic = cast(int)_Fsm_char_class[cast(int)host( "-", 1 ) ={p->key}= - 1];
if ( _ic <= cast(int)deref( _Fsm_trans_keys, _keys+1 ) && _ic >= cast(int)deref( _Fsm_trans_keys, _keys ) )
_trans = cast(uint)deref( _Fsm_indices, _inds + cast(int)( _ic - cast(int)deref( _Fsm_trans_keys, _keys ) ) );
else
_trans = cast(uint)_Fsm_index_defaults[cs];
}
else {
_trans = cast(uint)_Fsm_index_defaults[cs];
}
}
if ( _cont == 1 ) {
cs = cast(int)_Fsm_cond_targs[_trans];
if ( _Fsm_cond_actions[_trans] != 0 ) {
_acts = offset( _Fsm_actions, _Fsm_cond_actions[_trans] );
_nacts = cast(uint)deref( _Fsm_actions, _acts );
_acts += 1;
while ( _nacts > 0 )
{
switch ( deref( _Fsm_actions, _acts ) )
{
case 0 {
host( "working/element1.rl", 49 ) ${cout << p->name << endl;}$
}
}
_nacts -= 1;
_acts += 1;
}
}
if ( cs == 0 )
_cont = 0;
if ( _cont == 1 )
p += 1;
}}
}
}
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;
}
}@
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