lex_symbol.h

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/* Copyright (c) 2000, 2023, Oracle and/or its affiliates.
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.
 
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   This program is distributed in the hope that it will be useful,
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License, version 2.0, for more details.
 
   You should have received a copy of the GNU General Public License
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   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
 
/* This struct includes all reserved words and functions */
 
#ifndef _lex_symbol_h
#define _lex_symbol_h
 
enum SYM_GROUP {
  SG_KEYWORDS = 1 << 0,           // SQL keywords and reserved words
  SG_FUNCTIONS = 1 << 1,          // very special native SQL functions
  SG_HINTABLE_KEYWORDS = 1 << 2,  // SQL keywords that accept optimizer hints
  SG_HINTS = 1 << 3,              // optimizer hint parser keywords
 
  /* All tokens of the main parser: */
  SG_MAIN_PARSER = SG_KEYWORDS | SG_HINTABLE_KEYWORDS | SG_FUNCTIONS
};
 
struct SYMBOL {
  const char *name;
  const unsigned int length;
  const unsigned int tok;
  /** group mask, see SYM_GROUP enum for bits. */
  int group;
};
 
struct LEX_SYMBOL {
  const SYMBOL *symbol;
  char *str;
  unsigned int length;
};
 
#endif /* _lex_symbol_h */