MySQL  8.0.16
Source Code Documentation
sql_lex_hash.h
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1 /*
2  Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
3 
4  This program is free software; you can redistribute it and/or modify
5  it under the terms of the GNU General Public License, version 2.0,
6  as published by the Free Software Foundation.
7 
8  This program is also distributed with certain software (including
9  but not limited to OpenSSL) that is licensed under separate terms,
10  as designated in a particular file or component or in included license
11  documentation. The authors of MySQL hereby grant you an additional
12  permission to link the program and your derivative works with the
13  separately licensed software that they have included with MySQL.
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15  This program is distributed in the hope that it will be useful,
16  but WITHOUT ANY WARRANTY; without even the implied warranty of
17  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  GNU General Public License, version 2.0, for more details.
19 
20  You should have received a copy of the GNU General Public License
21  along with this program; if not, write to the Free Software
22  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
23 
24 /*
25  Hash accessor function for lexical scanners:
26  * sql_lex.h, sql_lex.cc,
27  * sql_lex_hints.h, sql_lex_hints.cc.
28 */
29 
30 #ifndef SQL_LEX_HASH_INCLUDED
31 #define SQL_LEX_HASH_INCLUDED
32 
33 class Lex_hash {
34  private:
35  const unsigned char *hash_map;
36  const unsigned int entry_max_len;
37 
38  public:
39  Lex_hash(const unsigned char *hash_map_arg, unsigned int entry_max_len_arg)
40  : hash_map(hash_map_arg), entry_max_len(entry_max_len_arg) {}
41 
42  const struct SYMBOL *get_hash_symbol(const char *s, unsigned int len) const;
43 
44  static const Lex_hash sql_keywords;
46 
47  static const Lex_hash hint_keywords;
48 };
49 
50 #endif /* SQL_LEX_HASH_INCLUDED */
static const Lex_hash sql_keywords_and_funcs
Definition: sql_lex_hash.h:45
Definition: lex_symbol.h:38
const struct SYMBOL * get_hash_symbol(const char *s, unsigned int len) const
Definition: sql_lex_hash.cc:75
const unsigned char * hash_map
Definition: sql_lex_hash.h:35
Definition: sql_lex_hash.h:33
unsigned int len
Definition: dbug_analyze.cc:216
static const Lex_hash sql_keywords
Definition: sql_lex_hash.h:44
Lex_hash(const unsigned char *hash_map_arg, unsigned int entry_max_len_arg)
Definition: sql_lex_hash.h:39
const unsigned int entry_max_len
Definition: sql_lex_hash.h:36
static const Lex_hash hint_keywords
Definition: sql_lex_hash.h:47