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path: root/kconf2h_parser.c
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#line 1 "kconf2h_parser.ragel"
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>

#include "kconf2h.h"

#define TYPE_YM  1
#define TYPE_HEX 2
#define TYPE_STR 3
#define TYPE_DEC 4

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 o_head_def( FILE *f, int type, const char *s_define, const char *e_define, 
    const char *s_value, const char *e_value )
{
	if ( f != NULL )
	{
		if ( (s_define != NULL) && (e_define != NULL) && (s_define <= e_define) &&
			(s_value != NULL) && ( e_value != NULL ) && ( s_value <= e_value ))
		{
			char *def = new_string( s_define, e_define );
			char *val = NULL;
			//printf( "%s\n", def );
			fprintf( f, "#define %s", def );
			free( def );
			
			if ( type != TYPE_YM )
			{
				val = new_string( s_value, e_value );
				fprintf( f, " %s", val );
				free( val );
			}
			/*
			switch ( type )
			{
				case TYPE_HEX:
					fprintf( f, " %s", val );
					break;
				case TYPE_STR:
					fprintf( f, " %s", val );
					break;
				case TYPE_DEC:
					fprintf( f, " %s", val );
					break;
				default:
					printf("Unknown Kconfig type %d\n", type);
			}
			*/

			fprintf( f, "\n" );
			return 1;
		}
	}
	return 0;
}


#line 71 "kconf2h_parser.c"
static const char _k2h_actions[] = {
	0, 1, 0, 1, 2, 1, 7, 1, 
	11, 2, 9, 1, 4, 3, 8, 10, 
	11, 4, 4, 8, 10, 11, 4, 5, 
	8, 10, 11, 4, 6, 8, 10, 11
	
};

static const char _k2h_key_offsets[] = {
	0, 0, 3, 6, 7, 8, 9, 10, 
	11, 12, 17, 23, 30, 33, 37, 39, 
	42, 46, 52, 59, 60
};

static const char _k2h_trans_keys[] = {
	10, 35, 67, 10, 32, 126, 79, 78, 
	70, 73, 71, 95, 95, 48, 57, 65, 
	90, 61, 95, 48, 57, 65, 90, 34, 
	45, 48, 109, 121, 49, 57, 34, 32, 
	126, 10, 34, 32, 126, 48, 57, 10, 
	48, 57, 10, 120, 48, 57, 48, 57, 
	65, 70, 97, 102, 10, 48, 57, 65, 
	70, 97, 102, 10, 10, 35, 67, 0
};

static const char _k2h_single_lengths[] = {
	0, 3, 1, 1, 1, 1, 1, 1, 
	1, 1, 2, 5, 1, 2, 0, 1, 
	2, 0, 1, 1, 3
};

static const char _k2h_range_lengths[] = {
	0, 0, 1, 0, 0, 0, 0, 0, 
	0, 2, 2, 1, 1, 1, 1, 1, 
	1, 3, 3, 0, 0
};

static const char _k2h_index_offsets[] = {
	0, 0, 4, 7, 9, 11, 13, 15, 
	17, 19, 23, 28, 35, 38, 42, 44, 
	47, 51, 55, 60, 62
};

static const char _k2h_indicies[] = {
	0, 2, 3, 1, 0, 4, 1, 5, 
	1, 6, 1, 7, 1, 8, 1, 9, 
	1, 10, 1, 11, 11, 11, 1, 12, 
	11, 11, 11, 1, 13, 14, 15, 17, 
	17, 16, 1, 19, 18, 1, 20, 19, 
	18, 1, 21, 1, 22, 21, 1, 22, 
	23, 21, 1, 24, 24, 24, 1, 25, 
	24, 24, 24, 1, 26, 1, 0, 2, 
	3, 1, 0
};

static const char _k2h_trans_targs[] = {
	20, 0, 2, 3, 2, 4, 5, 6, 
	7, 8, 9, 10, 11, 12, 14, 16, 
	15, 19, 12, 13, 20, 15, 20, 17, 
	18, 20, 20
};

static const char _k2h_trans_actions[] = {
	7, 0, 1, 9, 0, 0, 0, 0, 
	0, 0, 0, 0, 3, 5, 5, 5, 
	5, 5, 0, 0, 22, 0, 17, 0, 
	0, 27, 12
};

static const int k2h_start = 1;
static const int k2h_first_final = 20;
static const int k2h_error = 0;

static const int k2h_en_main = 1;


#line 87 "kconf2h_parser.ragel"


int parse_kconf2h( const char *str, FILE *outf )
{

	

	static uint8_t cs;
	const int stacksize = 10;
	int res=0, *top=0, *stack=NULL;
	stack = malloc( sizeof(stack)*stacksize );
	char *p=(char *)str, *pe = (char *)str + strlen( str ), *eof=NULL;

	/*
	variables used in state machine
	*/
	char *token_s=NULL, *token_e=NULL;
	char *value_s=NULL, *value_e=NULL;
	int token_type=0;
	fprintf( outf, "#ifndef __CONFIG_H\n" );
	fprintf( outf, "#define __CONFIG_H\n" );

	
#line 172 "kconf2h_parser.c"
	{
	cs = k2h_start;
	}

#line 110 "kconf2h_parser.ragel"
	
#line 179 "kconf2h_parser.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:
	_keys = _k2h_trans_keys + _k2h_key_offsets[cs];
	_trans = _k2h_index_offsets[cs];

	_klen = _k2h_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 = _k2h_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 = _k2h_indicies[_trans];
	cs = _k2h_trans_targs[_trans];

	if ( _k2h_trans_actions[_trans] == 0 )
		goto _again;

	_acts = _k2h_actions + _k2h_trans_actions[_trans];
	_nacts = (unsigned int) *_acts++;
	while ( _nacts-- > 0 )
	{
		switch ( *_acts++ )
		{
	case 0:
#line 72 "kconf2h_parser.ragel"
	{}
	break;
	case 1:
#line 73 "kconf2h_parser.ragel"
	{token_s = p;}
	break;
	case 2:
#line 73 "kconf2h_parser.ragel"
	{token_e = p-1;}
	break;
	case 3:
#line 76 "kconf2h_parser.ragel"
	{token_type=TYPE_YM;}
	break;
	case 4:
#line 77 "kconf2h_parser.ragel"
	{token_type=TYPE_DEC;}
	break;
	case 5:
#line 78 "kconf2h_parser.ragel"
	{token_type=TYPE_STR;}
	break;
	case 6:
#line 79 "kconf2h_parser.ragel"
	{token_type=TYPE_HEX;}
	break;
	case 7:
#line 79 "kconf2h_parser.ragel"
	{value_s = p;}
	break;
	case 8:
#line 79 "kconf2h_parser.ragel"
	{value_e = p-1;}
	break;
	case 9:
#line 80 "kconf2h_parser.ragel"
	{}
	break;
	case 10:
#line 80 "kconf2h_parser.ragel"
	{ o_head_def( outf, token_type, token_s, token_e, value_s, value_e ); }
	break;
	case 11:
#line 82 "kconf2h_parser.ragel"
	{}
	break;
#line 301 "kconf2h_parser.c"
		}
	}

_again:
	if ( cs == 0 )
		goto _out;
	if ( ++p != pe )
		goto _resume;
	_test_eof: {}
	_out: {}
	}

#line 111 "kconf2h_parser.ragel"

	if ( cs == k2h_error )
	{
		printf("ERR state [%d] pos[%d]:[%s]\n", res, p-str, p);
		res = -1;
	}

	fprintf( outf, "#endif\n" );

	return res;
}