49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
/*
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Copyright (c) 2015 Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
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/*
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Hash accessor function for lexical scanners:
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* sql_lex.h, sql_lex.cc,
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* sql_lex_hints.h, sql_lex_hints.cc.
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*/
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#ifndef SQL_LEX_HASH_INCLUDED
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#define SQL_LEX_HASH_INCLUDED
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struct SYMBOL;
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class Lex_hash
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{
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private:
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const unsigned char *hash_map;
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const unsigned int entry_max_len;
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public:
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Lex_hash(const unsigned char *hash_map_arg, unsigned int entry_max_len_arg)
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: hash_map(hash_map_arg), entry_max_len(entry_max_len_arg)
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{}
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const struct SYMBOL *get_hash_symbol(const char *s, unsigned int len) const;
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static const Lex_hash sql_keywords;
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static const Lex_hash sql_keywords_and_funcs;
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static const Lex_hash hint_keywords;
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};
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#endif /* SQL_LEX_HASH_INCLUDED */
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