diff options
Diffstat (limited to 'storage/innobase/pars/pars0lex.l')
| -rw-r--r-- | storage/innobase/pars/pars0lex.l | 44 |
1 files changed, 36 insertions, 8 deletions
diff --git a/storage/innobase/pars/pars0lex.l b/storage/innobase/pars/pars0lex.l index ad65034fab0..55ed17f82e1 100644 --- a/storage/innobase/pars/pars0lex.l +++ b/storage/innobase/pars/pars0lex.l @@ -1,10 +1,23 @@ -/****************************************************** -SQL parser lexical analyzer: input file for the GNU Flex lexer generator +/***************************************************************************** -(c) 1997 Innobase Oy +Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. -Created 12/14/1997 Heikki Tuuri -Published under the GPL version 2 +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., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA + +*****************************************************************************/ + +/****************************************************** +SQL parser lexical analyzer: input file for the GNU Flex lexer generator The InnoDB parser is frozen because MySQL takes care of SQL parsing. Therefore we normally keep the InnoDB parser C files as they are, and do @@ -18,6 +31,8 @@ How to make the InnoDB parser and lexer C files: These instructions seem to work at least with bison-1.875d and flex-2.5.31 on Linux. + +Created 12/14/1997 Heikki Tuuri *******************************************************/ %option nostdinit @@ -55,13 +70,13 @@ Linux. static ulint stringbuf_len_alloc = 0; /* Allocated length */ static ulint stringbuf_len = 0; /* Current length */ static char* stringbuf; /* Start of buffer */ -/* Appends a string to the buffer. */ +/** Appends a string to the buffer. */ static void string_append( /*==========*/ - const char* str, /* in: string to be appended */ - ulint len) /* in: length of the string */ + const char* str, /*!< in: string to be appended */ + ulint len) /*!< in: length of the string */ { if (stringbuf == NULL) { stringbuf = malloc(1); @@ -646,3 +661,16 @@ In the state 'id', only two actions are possible (defined below). */ } %% + +/********************************************************************** +Release any resources used by the lexer. */ +UNIV_INTERN +void +pars_lexer_close(void) +/*==================*/ +{ + yylex_destroy(); + free(stringbuf); + stringbuf = NULL; + stringbuf_len_alloc = stringbuf_len = 0; +} |