diff options
Diffstat (limited to 'dm_parser.c')
| -rw-r--r-- | dm_parser.c | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/dm_parser.c b/dm_parser.c new file mode 100644 index 0000000..bfd829f --- /dev/null +++ b/dm_parser.c @@ -0,0 +1,323 @@ + +#line 1 "dm_parser.ragel" +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <string.h> + +#include "dm.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) {tl_add_tok(tl,T,S,E);} + +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 38 "dm_parser.c" +static const char _dm_actions[] = { + 0, 1, 0, 1, 1, 1, 2, 1, + 3, 1, 4, 1, 5, 1, 6, 1, + 7, 1, 8, 1, 9, 1, 10, 1, + 11, 1, 12 +}; + +static const char _dm_key_offsets[] = { + 0, 0, 8, 17, 23, 24, 36, 39, + 41 +}; + +static const char _dm_trans_keys[] = { + 32, 39, 48, 57, 65, 90, 97, 122, + 32, 34, 39, 48, 57, 65, 90, 97, + 122, 48, 57, 65, 70, 97, 102, 102, + 32, 34, 38, 40, 41, 45, 48, 105, + 9, 10, 49, 57, 120, 48, 57, 48, + 57, 48, 57, 65, 70, 97, 102, 0 +}; + +static const char _dm_single_lengths[] = { + 0, 2, 3, 0, 1, 8, 1, 0, + 0 +}; + +static const char _dm_range_lengths[] = { + 0, 3, 3, 3, 0, 2, 1, 1, + 3 +}; + +static const char _dm_index_offsets[] = { + 0, 0, 6, 13, 17, 19, 30, 33, + 35 +}; + +static const char _dm_indicies[] = { + 0, 0, 0, 0, 0, 1, 0, 2, + 0, 0, 0, 0, 1, 4, 4, 4, + 3, 5, 1, 6, 7, 8, 9, 10, + 11, 12, 14, 6, 13, 1, 16, 13, + 15, 13, 15, 4, 4, 4, 17, 0 +}; + +static const char _dm_trans_targs[] = { + 2, 0, 5, 5, 8, 5, 5, 1, + 5, 5, 5, 5, 6, 7, 4, 5, + 3, 5 +}; + +static const char _dm_trans_actions[] = { + 0, 0, 9, 25, 0, 11, 7, 0, + 17, 13, 15, 19, 5, 0, 0, 23, + 0, 21 +}; + +static const char _dm_to_state_actions[] = { + 0, 0, 0, 0, 0, 1, 0, 0, + 0 +}; + +static const char _dm_from_state_actions[] = { + 0, 0, 0, 0, 0, 3, 0, 0, + 0 +}; + +static const char _dm_eof_trans[] = { + 0, 0, 0, 4, 0, 0, 16, 16, + 18 +}; + +static const int dm_start = 5; +static const int dm_first_final = 5; +static const int dm_error = 0; + +static const int dm_en_main = 5; + + +#line 63 "dm_parser.ragel" + + +int parse_dm( token_list *tl, const char *str ) +{ + static uint8_t cs; + const int stacksize = 10; + int res=0, *top=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 + */ + char *token_s=NULL, *token_e=NULL; + char *value_s=NULL, *value_e=NULL; + int token_type=0; + int dm_current_tok = TOK_NONE; + + +#line 138 "dm_parser.c" + { + cs = dm_start; + ts = 0; + te = 0; + act = 0; + } + +#line 83 "dm_parser.ragel" + +#line 148 "dm_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: + _acts = _dm_actions + _dm_from_state_actions[cs]; + _nacts = (unsigned int) *_acts++; + while ( _nacts-- > 0 ) { + switch ( *_acts++ ) { + case 1: +#line 1 "NONE" + {ts = p;} + break; +#line 169 "dm_parser.c" + } + } + + _keys = _dm_trans_keys + _dm_key_offsets[cs]; + _trans = _dm_index_offsets[cs]; + + _klen = _dm_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 = _dm_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 = _dm_indicies[_trans]; +_eof_trans: + cs = _dm_trans_targs[_trans]; + + if ( _dm_trans_actions[_trans] == 0 ) + goto _again; + + _acts = _dm_actions + _dm_trans_actions[_trans]; + _nacts = (unsigned int) *_acts++; + while ( _nacts-- > 0 ) + { + switch ( *_acts++ ) + { + case 2: +#line 1 "NONE" + {te = p+1;} + break; + case 3: +#line 52 "dm_parser.ragel" + {te = p+1;} + break; + case 4: +#line 53 "dm_parser.ragel" + {te = p+1;{/*printf("str = ");fwrite(ts,1,te-ts,stdout);printf("\n");*/TADD(TOK_STR,ts,te);}} + break; + case 5: +#line 55 "dm_parser.ragel" + {te = p+1;{/*printf("if = ");fwrite(ts,1,te-ts,stdout);printf("\n");*/TADD(TOK_IF,ts,te);}} + break; + case 6: +#line 56 "dm_parser.ragel" + {te = p+1;{/*printf("lbr = ");fwrite(ts,1,te-ts,stdout);printf("\n");*/TADD(TOK_LBR,ts,te);}} + break; + case 7: +#line 57 "dm_parser.ragel" + {te = p+1;{/*printf("rbr = ");fwrite(ts,1,te-ts,stdout);printf("\n");*/TADD(TOK_RBR,ts,te);}} + break; + case 8: +#line 58 "dm_parser.ragel" + {te = p+1;{/*printf("and = ");fwrite(ts,1,te-ts,stdout);printf("\n");*/TADD(TOK_EAND,ts,te);}} + break; + case 9: +#line 59 "dm_parser.ragel" + {te = p+1;{/*printf("range = ");fwrite(ts,1,te-ts,stdout);printf("\n");*/TADD(TOK_RANGE,ts,te);}} + break; + case 10: +#line 51 "dm_parser.ragel" + {te = p;p--;{/*printf("hex = ");fwrite(ts,1,te-ts,stdout);printf("\n");*/TADD(TOK_HEX,ts,te);}} + break; + case 11: +#line 54 "dm_parser.ragel" + {te = p;p--;{/*printf("int = ");fwrite(ts,1,te-ts,stdout);printf("\n");*/TADD(TOK_INT,ts,te);}} + break; + case 12: +#line 54 "dm_parser.ragel" + {{p = ((te))-1;}{/*printf("int = ");fwrite(ts,1,te-ts,stdout);printf("\n");*/TADD(TOK_INT,ts,te);}} + break; +#line 279 "dm_parser.c" + } + } + +_again: + _acts = _dm_actions + _dm_to_state_actions[cs]; + _nacts = (unsigned int) *_acts++; + while ( _nacts-- > 0 ) { + switch ( *_acts++ ) { + case 0: +#line 1 "NONE" + {ts = 0;} + break; +#line 292 "dm_parser.c" + } + } + + if ( cs == 0 ) + goto _out; + if ( ++p != pe ) + goto _resume; + _test_eof: {} + if ( p == eof ) + { + if ( _dm_eof_trans[cs] > 0 ) { + _trans = _dm_eof_trans[cs] - 1; + goto _eof_trans; + } + } + + _out: {} + } + +#line 84 "dm_parser.ragel" + + if ( cs == dm_error ) + { + printf("ERR state [%d] pos[%d]:[%s]\n", res, p-str, p); + res = -1; + } + + return res; +} + + + |