1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/*****************************************************************************
Copyright (c) 2007, 2014, Oracle and/or its affiliates. All Rights Reserved.
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
*****************************************************************************/
/**
* @file fts/fts0blex.l
* FTS parser lexical analyzer
*
* Created 2007/5/9 Sunny Bains
*/
%{
#include "fts0ast.h"
#include "fts0pars.h"
/* Required for reentrant parser */
#define YY_DECL int fts_blexer(YYSTYPE* val, yyscan_t yyscanner)
#define exit(A) ut_error
%}
%option noinput
%option nounput
%option noyywrap
%option nostdinit
%option reentrant
%option never-interactive
%%
[\t ]+ /* Ignore whitespace */ ;
[*()+\-<>~@] {
val->oper = fts0bget_text(yyscanner)[0];
return(val->oper);
}
[0-9]+ {
val->token = fts_ast_string_create(reinterpret_cast<const byte*>(fts0bget_text(yyscanner)), fts0bget_leng(yyscanner));
return(FTS_NUMB);
}
[^" \n*()+\-<>~@%]* {
val->token = fts_ast_string_create(reinterpret_cast<const byte*>(fts0bget_text(yyscanner)), fts0bget_leng(yyscanner));
return(FTS_TERM);
}
\"[^\"\n]*\" {
val->token = fts_ast_string_create(reinterpret_cast<const byte*>(fts0bget_text(yyscanner)), fts0bget_leng(yyscanner));
return(FTS_TEXT);
}
\n
%%
|
