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#include <iostream>
#include <stdio.h>
#include <string.h>
using namespace std;
struct ErrAct
{
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( const char *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( );
};
static const char _ErrAct_key_offsets [] = { 0, 0, 4, 6, 10, 12, 15, 0 , };
static const char _ErrAct_trans_keys [] = { 43, 45, 48, 57, 48, 57, 10, 46, 48, 57, 48, 57, 10, 48, 57, 0 , };
static const char _ErrAct_single_lengths [] = { 0, 2, 0, 2, 0, 1, 0, 0 , };
static const char _ErrAct_range_lengths [] = { 0, 1, 1, 1, 1, 1, 0, 0 , };
static const char _ErrAct_index_offsets [] = { 0, 0, 4, 6, 10, 12, 15, 0 , };
static const char _ErrAct_trans_cond_spaces [] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0 , };
static const char _ErrAct_trans_offsets [] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 0 , };
static const char _ErrAct_trans_lengths [] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0 , };
static const char _ErrAct_cond_keys [] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 , };
static const char _ErrAct_cond_targs [] = { 2, 2, 3, 0, 3, 0, 6, 4, 3, 0, 5, 0, 6, 5, 0, 0, 0 , };
static const char _ErrAct_cond_actions [] = { 0, 0, 0, 1, 0, 2, 0, 0, 0, 3, 0, 2, 0, 0, 2, 0, 0 , };
static const char _ErrAct_eof_actions [] = { 0, 1, 2, 3, 2, 2, 0, 0 , };
static const char _ErrAct_nfa_targs [] = { 0, 0 , };
static const char _ErrAct_nfa_offsets [] = { 0, 0, 0, 0, 0, 0, 0, 0 , };
static const char _ErrAct_nfa_push_actions [] = { 0, 0 , };
static const char _ErrAct_nfa_pop_trans [] = { 0, 0 , };
static const int ErrAct_start = 1;
static const int ErrAct_first_final = 6;
static const int ErrAct_error = 0;
static const int ErrAct_en_main = 1;
int ErrAct::init( )
{
{
cs = ( int ) ErrAct_start;
}
return 0;
}
int ErrAct::execute( const char *_data, int _len )
{
const char *p = _data;
const char *pe = _data+_len;
const char *eof = pe;
{
int _klen;
const char *_keys;
const char *_ckeys;
int _cpc;
unsigned int _trans;
unsigned int _cond = 0;
unsigned int _have = 0;
unsigned int _cont = 1;
while ( _cont == 1 )
{
if ( cs == 0 )
_cont = 0;
_have = 0;
if ( p == pe )
{
if ( p == eof )
{
if ( _have == 0 )
{
switch ( _ErrAct_eof_actions[cs] ) {
case 1 :
{
printf(" DIGIT PLUS MINUS\n");
}
break;
case 2 :
{
printf(" DIGIT\n");
}
break;
case 3 :
{
printf(" DIGIT DECIMAL\n");
}
break;
}
}
}
if ( _have == 0 )
_cont = 0;
}
if ( _cont == 1 )
{
if ( _have == 0 )
{
_keys = _ErrAct_trans_keys + _ErrAct_key_offsets[cs];
_trans = ( unsigned int ) _ErrAct_index_offsets[cs];
_have = 0;
_klen = ( int ) _ErrAct_single_lengths[cs];
if ( _klen > 0 )
{
const char *_lower;
const char *_mid;
const char *_upper;
_lower = _keys;
_upper = _keys + _klen - 1;
while ( _upper >= _lower && _have == 0 )
{
_mid = _lower + ((_upper-_lower)>> 1);
if ( ((*( p ))
)< (*( _mid ))
)
_upper = _mid - 1;
else if ( ((*( p ))
)> (*( _mid ))
)
_lower = _mid + 1;
else
{
_trans += ( unsigned int ) (_mid - _keys);
_have = 1;
}
}
if ( _have == 0 )
{
_keys += _klen;
_trans += ( unsigned int ) _klen;
}
}
if ( _have == 0 )
{
_klen = ( int ) _ErrAct_range_lengths[cs];
if ( _klen > 0 )
{
const char *_lower;
const char *_mid;
const char *_upper;
_lower = _keys;
_upper = _keys + (_klen<<1)- 2;
while ( _have == 0 && _lower <= _upper )
{
_mid = _lower + (((_upper-_lower)>> 1)& ~1);
if ( ((*( p ))
)< (*( _mid ))
)
_upper = _mid - 2;
else if ( ((*( p ))
)> (*( _mid + 1 ))
)
_lower = _mid + 2;
else
{
_trans += ( unsigned int ) ((_mid - _keys)>>1);
_have = 1;
}
}
if ( _have == 0 )
_trans += ( unsigned int ) _klen;
}
}
_ckeys = _ErrAct_cond_keys + _ErrAct_trans_offsets[_trans];
_klen = ( int ) _ErrAct_trans_lengths[_trans];
_cond = ( unsigned int ) _ErrAct_trans_offsets[_trans];
_have = 0;
_cpc = 0;
{
const char *_lower;
const char *_mid;
const char *_upper;
_lower = _ckeys;
_upper = _ckeys + _klen - 1;
while ( _have == 0 && _lower <= _upper )
{
_mid = _lower + ((_upper-_lower)>> 1);
if ( _cpc < ( int ) (*( _mid ))
)
_upper = _mid - 1;
else if ( _cpc > ( int ) (*( _mid ))
)
_lower = _mid + 1;
else
{
_cond += ( unsigned int ) (_mid - _ckeys);
_have = 1;
}
}
if ( _have == 0 )
{
cs = 0;
_cont = 0;
}
}
}
if ( _cont == 1 )
{
cs = ( int ) _ErrAct_cond_targs[_cond];
switch ( _ErrAct_cond_actions[_cond] ) {
case 1 :
{
printf(" DIGIT PLUS MINUS\n");
}
break;
case 2 :
{
printf(" DIGIT\n");
}
break;
case 3 :
{
printf(" DIGIT DECIMAL\n");
}
break;
}
if ( cs == 0 )
_cont = 0;
if ( _cont == 1 )
p += 1;
}
}
}
}
if ( cs == ErrAct_error )
return -1;
if ( cs >= ErrAct_first_final )
return 1;
return 0;
}
int ErrAct::finish( )
{
if ( cs == ErrAct_error )
return -1;
if ( cs >= ErrAct_first_final )
return 1;
return 0;
}
#define BUFSIZE 1024
void test( const char *buf )
{
ErrAct errAct;
errAct.init();
errAct.execute( buf, strlen(buf) );
if ( errAct.finish() > 0 )
cout << "ACCEPT" << endl;
else
cout << "FAIL" << endl;
}
int main()
{
test( "1\n" );
test( "+1\n" );
test( "-1\n" );
test( "1.1\n" );
test( "+1.1\n" );
test( "-1.1\n" );
test( "a\n" );
test( "-\n" );
test( "+\n" );
test( "-a\n" );
test( "+b\n" );
test( "1.\n" );
test( "1d\n" );
test( "1.d\n" );
test( "1.1d\n" );
return 0;
}
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