path: root/libcmd/cmd_parse.c

#line 1 "cmd_parse.ragel"
#include "cmd_parse.h"

//#define CTS(X) {if (!dm_current_tok)token_s = p; printf("%s ",#X);if (!dm_current_tok) dm_current_tok = TOK_##X;}
//#define CTE() {token_e = p;}
#define TADD(T,S,E,SZ) {cmd_tok_t *t=cmd_tok_create(S,E,SZ,T);cmd_tok_add(tl,t);tl=tl->next;}
//#define TADD(T,S,E)

//#define PR_TK_DBG(S) printf(S);fwrite(ts,1,te-ts,stdout);printf("\n");
#define PR_TK_DBG(S) ;

char *new_string( const char *start, const char *end )
{
	int str_s = end-start+1;
	char *new_str=malloc( str_s+1 );
	memcpy( new_str, start, str_s );
	if ( new_str != NULL )
		new_str[str_s]=0x0;
	return new_str;
}

int print_token( char *s, char *e, int tok)
{
	char *p = new_string( s, e );
	printf("t=%d,p=%s\n",tok,p);
	free( p );
	return 0;
}



#line 34 "cmd_parse.c"
static const char _cmd_actions[] = {
	0, 1, 0, 1, 1, 1, 2, 1, 
	3, 1, 4, 1, 5, 1, 6, 1, 
	7, 1, 8, 1, 9, 1, 10
};

static const char _cmd_key_offsets[] = {
	0, 0, 8, 17, 19, 25, 37, 40, 
	44, 46, 48, 54
};

static const char _cmd_trans_keys[] = {
	32, 39, 48, 57, 65, 90, 97, 122, 
	32, 34, 39, 48, 57, 65, 90, 97, 
	122, 48, 49, 48, 57, 65, 70, 97, 
	102, 32, 34, 48, 59, 9, 10, 49, 
	57, 65, 90, 97, 122, 32, 9, 10, 
	98, 120, 48, 57, 48, 57, 48, 49, 
	48, 57, 65, 70, 97, 102, 48, 57, 
	65, 90, 97, 122, 0
};

static const char _cmd_single_lengths[] = {
	0, 2, 3, 0, 0, 4, 1, 2, 
	0, 0, 0, 0
};

static const char _cmd_range_lengths[] = {
	0, 3, 3, 1, 3, 4, 1, 1, 
	1, 1, 3, 3
};

static const char _cmd_index_offsets[] = {
	0, 0, 6, 13, 15, 19, 28, 31, 
	35, 37, 39, 43
};

static const char _cmd_indicies[] = {
	0, 0, 0, 0, 0, 1, 0, 2, 
	0, 0, 0, 0, 1, 4, 3, 5, 
	5, 5, 3, 6, 7, 8, 10, 6, 
	9, 11, 11, 1, 6, 6, 12, 14, 
	15, 9, 13, 9, 13, 4, 16, 5, 
	5, 5, 17, 11, 11, 11, 18, 0
};

static const char _cmd_trans_targs[] = {
	2, 0, 5, 5, 9, 10, 6, 1, 
	7, 8, 5, 11, 5, 5, 3, 4, 
	5, 5, 5
};

static const char _cmd_trans_actions[] = {
	0, 0, 7, 21, 0, 0, 0, 0, 
	5, 0, 9, 0, 13, 15, 0, 0, 
	17, 11, 19
};

static const char _cmd_to_state_actions[] = {
	0, 0, 0, 0, 0, 1, 0, 0, 
	0, 0, 0, 0
};

static const char _cmd_from_state_actions[] = {
	0, 0, 0, 0, 0, 3, 0, 0, 
	0, 0, 0, 0
};

static const char _cmd_eof_trans[] = {
	0, 0, 0, 4, 4, 0, 13, 14, 
	14, 17, 18, 19
};

static const int cmd_start = 5;
static const int cmd_first_final = 5;
static const int cmd_error = 0;

static const int cmd_en_main = 5;


#line 56 "cmd_parse.ragel"


int parse_cmd( cmd_tok_t *tl, const char *str )
{
	static uint8_t cs;
	const int stacksize = 10;
	int res=0, *stack=NULL, act=0;
	stack = malloc( sizeof(stack)*stacksize );
	char *p=(char *)str, *pe = (char *)str + strlen( str ), *eof=NULL;
	char *ts, *te = 0;

	/*
	variables used in state machine
	*/

	
#line 132 "cmd_parse.c"
	{
	cs = cmd_start;
	ts = 0;
	te = 0;
	act = 0;
	}

#line 72 "cmd_parse.ragel"
	
#line 142 "cmd_parse.c"
	{
	int _klen;
	unsigned int _trans;
	const char *_acts;
	unsigned int _nacts;
	const char *_keys;

	if ( p == pe )
		goto _test_eof;
	if ( cs == 0 )
		goto _out;
_resume:
	_acts = _cmd_actions + _cmd_from_state_actions[cs];
	_nacts = (unsigned int) *_acts++;
	while ( _nacts-- > 0 ) {
		switch ( *_acts++ ) {
	case 1:
#line 1 "NONE"
	{ts = p;}
	break;
#line 163 "cmd_parse.c"
		}
	}

	_keys = _cmd_trans_keys + _cmd_key_offsets[cs];
	_trans = _cmd_index_offsets[cs];

	_klen = _cmd_single_lengths[cs];
	if ( _klen > 0 ) {
		const char *_lower = _keys;
		const char *_mid;
		const char *_upper = _keys + _klen - 1;
		while (1) {
			if ( _upper < _lower )
				break;

			_mid = _lower + ((_upper-_lower) >> 1);
			if ( (*p) < *_mid )
				_upper = _mid - 1;
			else if ( (*p) > *_mid )
				_lower = _mid + 1;
			else {
				_trans += (unsigned int)(_mid - _keys);
				goto _match;
			}
		}
		_keys += _klen;
		_trans += _klen;
	}

	_klen = _cmd_range_lengths[cs];
	if ( _klen > 0 ) {
		const char *_lower = _keys;
		const char *_mid;
		const char *_upper = _keys + (_klen<<1) - 2;
		while (1) {
			if ( _upper < _lower )
				break;

			_mid = _lower + (((_upper-_lower) >> 1) & ~1);
			if ( (*p) < _mid[0] )
				_upper = _mid - 2;
			else if ( (*p) > _mid[1] )
				_lower = _mid + 2;
			else {
				_trans += (unsigned int)((_mid - _keys)>>1);
				goto _match;
			}
		}
		_trans += _klen;
	}

_match:
	_trans = _cmd_indicies[_trans];
_eof_trans:
	cs = _cmd_trans_targs[_trans];

	if ( _cmd_trans_actions[_trans] == 0 )
		goto _again;

	_acts = _cmd_actions + _cmd_trans_actions[_trans];
	_nacts = (unsigned int) *_acts++;
	while ( _nacts-- > 0 )
	{
		switch ( *_acts++ )
		{
	case 2:
#line 1 "NONE"
	{te = p+1;}
	break;
	case 3:
#line 46 "cmd_parse.ragel"
	{te = p+1;{PR_TK_DBG("str = ");TADD(CMDT_STR, ts,te,te-ts);}}
	break;
	case 4:
#line 49 "cmd_parse.ragel"
	{te = p+1;{PR_TK_DBG("sep = ");TADD(CMDT_SP,  ts,te,te-ts);}}
	break;
	case 5:
#line 44 "cmd_parse.ragel"
	{te = p;p--;{PR_TK_DBG("hex = ");TADD(CMDT_HEX, ts,te,te-ts);}}
	break;
	case 6:
#line 45 "cmd_parse.ragel"
	{te = p;p--;{PR_TK_DBG("sp  = ");}}
	break;
	case 7:
#line 47 "cmd_parse.ragel"
	{te = p;p--;{PR_TK_DBG("dec = ");TADD(CMDT_INT, ts,te,te-ts);}}
	break;
	case 8:
#line 48 "cmd_parse.ragel"
	{te = p;p--;{PR_TK_DBG("bin = ");TADD(CMDT_BIN, ts,te,te-ts);}}
	break;
	case 9:
#line 50 "cmd_parse.ragel"
	{te = p;p--;{PR_TK_DBG("wrd = ");TADD(CMDT_WORD,ts,te,te-ts);}}
	break;
	case 10:
#line 47 "cmd_parse.ragel"
	{{p = ((te))-1;}{PR_TK_DBG("dec = ");TADD(CMDT_INT, ts,te,te-ts);}}
	break;
#line 265 "cmd_parse.c"
		}
	}

_again:
	_acts = _cmd_actions + _cmd_to_state_actions[cs];
	_nacts = (unsigned int) *_acts++;
	while ( _nacts-- > 0 ) {
		switch ( *_acts++ ) {
	case 0:
#line 1 "NONE"
	{ts = 0;}
	break;
#line 278 "cmd_parse.c"
		}
	}

	if ( cs == 0 )
		goto _out;
	if ( ++p != pe )
		goto _resume;
	_test_eof: {}
	if ( p == eof )
	{
	if ( _cmd_eof_trans[cs] > 0 ) {
		_trans = _cmd_eof_trans[cs] - 1;
		goto _eof_trans;
	}
	}

	_out: {}
	}

#line 73 "cmd_parse.ragel"

	if ( cs == cmd_error )
	{
		printf("CLIPARSE ERR state [%d] pos[%d]:[%s]\n", res, p-str, p);
		res = -1;
	}

	free( stack );

	return res;
}