diff options
Diffstat (limited to 'cmd/cmd_parse.c')
| -rw-r--r-- | cmd/cmd_parse.c | 328 |
1 files changed, 328 insertions, 0 deletions
diff --git a/cmd/cmd_parse.c b/cmd/cmd_parse.c new file mode 100644 index 0000000..9d831cf --- /dev/null +++ b/cmd/cmd_parse.c @@ -0,0 +1,328 @@ + +#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, 6, 1, + 7, 1, 8, 1, 9, 1, 10, 2, + 2, 3, 2, 2, 4, 2, 2, 5 + +}; + +static const char _cmd_key_offsets[] = { + 0, 0, 3, 6, 18, 21, 28, 38, + 46, 53 +}; + +static const char _cmd_trans_keys[] = { + 34, 39, 92, 32, 34, 92, 32, 34, + 46, 48, 9, 10, 33, 47, 49, 57, + 58, 126, 33, 35, 126, 33, 35, 47, + 48, 57, 58, 126, 33, 46, 98, 120, + 35, 47, 48, 57, 58, 126, 33, 46, + 35, 47, 48, 57, 58, 126, 33, 35, + 47, 48, 49, 50, 126, 33, 35, 47, + 48, 57, 58, 64, 65, 70, 71, 96, + 97, 102, 103, 126, 0 +}; + +static const char _cmd_single_lengths[] = { + 0, 3, 3, 4, 1, 1, 4, 2, + 1, 1 +}; + +static const char _cmd_range_lengths[] = { + 0, 0, 0, 4, 1, 3, 3, 3, + 3, 7 +}; + +static const char _cmd_index_offsets[] = { + 0, 0, 4, 8, 17, 20, 25, 33, + 39, 44 +}; + +static const char _cmd_indicies[] = { + 1, 2, 3, 0, 0, 0, 0, 2, + 4, 0, 6, 7, 4, 5, 8, 5, + 2, 5, 5, 9, 5, 5, 6, 5, + 9, 5, 6, 11, 12, 5, 8, 5, + 10, 5, 6, 5, 8, 5, 10, 5, + 5, 14, 5, 13, 5, 5, 15, 5, + 15, 5, 15, 5, 13, 0 +}; + +static const char _cmd_trans_targs[] = { + 1, 3, 0, 2, 3, 4, 5, 6, + 7, 3, 3, 8, 9, 3, 8, 9 +}; + +static const char _cmd_trans_actions[] = { + 0, 5, 0, 0, 7, 0, 0, 0, + 0, 11, 9, 21, 21, 13, 18, 15 +}; + +static const char _cmd_to_state_actions[] = { + 0, 0, 0, 1, 0, 0, 0, 0, + 0, 0 +}; + +static const char _cmd_from_state_actions[] = { + 0, 0, 0, 3, 0, 0, 0, 0, + 0, 0 +}; + +static const char _cmd_eof_trans[] = { + 0, 0, 0, 0, 10, 10, 11, 11, + 14, 14 +}; + +static const int cmd_start = 3; +static const int cmd_first_final = 3; +static const int cmd_error = 0; + +static const int cmd_en_main = 3; + + +#line 62 "cmd_parse.ragel" + + +int parse_cmd( cmd_tok_t *tl, const char *str, size_t str_size ) +{ + static uint8_t cs; + const int stacksize = 10; + int res=0, *stack=NULL, act=0,top=0; + stack = malloc( sizeof(stack)*stacksize ); + char *p=(char *)str, *pe = (char *)str + str_size, *eof=pe; + char *ts, *te = 0; + + /*save for cmd_begin state*/ + //char *ts_cb=0, *te_cb=0; + + //printf("PE:%s %02x\n",pe,(unsigned char)*pe); + + /* + variables used in state machine + */ + + +#line 138 "cmd_parse.c" + { + cs = cmd_start; + ts = 0; + te = 0; + act = 0; + } + +#line 83 "cmd_parse.ragel" + +#line 148 "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 169 "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 52 "cmd_parse.ragel" + {act = 1;} + break; + case 4: +#line 54 "cmd_parse.ragel" + {act = 3;} + break; + case 5: +#line 56 "cmd_parse.ragel" + {act = 5;} + break; + case 6: +#line 55 "cmd_parse.ragel" + {te = p+1;{PR_TK_DBG("qstr = ");TADD(CMDT_QSTR, ts,te,te-ts);}} + break; + case 7: +#line 57 "cmd_parse.ragel" + {te = p+1;{PR_TK_DBG("sp = ");/*TADD(CMDT_SP, ts,te,te-ts);*/}} + break; + case 8: +#line 53 "cmd_parse.ragel" + {te = p;p--;{PR_TK_DBG("dec = ");TADD(CMDT_INT, ts,te,te-ts);}} + break; + case 9: +#line 56 "cmd_parse.ragel" + {te = p;p--;{PR_TK_DBG("word = ");TADD(CMDT_WORD, ts,te,te-ts);}} + break; + case 10: +#line 1 "NONE" + { switch( act ) { + case 1: + {{p = ((te))-1;}PR_TK_DBG("hex = ");TADD(CMDT_HEX, ts,te,te-ts);} + break; + case 3: + {{p = ((te))-1;}PR_TK_DBG("bin = ");TADD(CMDT_BIN, ts,te,te-ts);} + break; + case 5: + {{p = ((te))-1;}PR_TK_DBG("word = ");TADD(CMDT_WORD, ts,te,te-ts);} + break; + } + } + break; +#line 282 "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 295 "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 84 "cmd_parse.ragel" + + if ( cs == cmd_error ) + { + printf("CLIPARSE ERR state [%d] pos[%ld]:[%s]\n", res, p-str, p); + res = -1; + } + + free( stack ); + + return res; +} + + + |