From 354bb40e75d94466e91fe6960523612c9d17ccfb Mon Sep 17 00:00:00 2001 From: Karen Arutyunov Date: Thu, 2 Nov 2017 23:11:29 +0300 Subject: Add implementation --- mysql/sql_chars.h | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 mysql/sql_chars.h (limited to 'mysql/sql_chars.h') diff --git a/mysql/sql_chars.h b/mysql/sql_chars.h new file mode 100644 index 0000000..584451a --- /dev/null +++ b/mysql/sql_chars.h @@ -0,0 +1,75 @@ +/* + Copyright (c) 2015, 2016, 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 St, Fifth Floor, Boston, MA 02110-1301 USA */ + +/* + Char classes for lexical scanners +*/ + + +#ifndef SQL_LEX_CHARS_INCLUDED +#define SQL_LEX_CHARS_INCLUDED + +#include "my_global.h" + +enum MY_ATTRIBUTE((__packed__)) my_lex_states +{ + MY_LEX_START, MY_LEX_CHAR, MY_LEX_IDENT, + MY_LEX_IDENT_SEP, MY_LEX_IDENT_START, + MY_LEX_REAL, MY_LEX_HEX_NUMBER, MY_LEX_BIN_NUMBER, + MY_LEX_CMP_OP, MY_LEX_LONG_CMP_OP, MY_LEX_STRING, MY_LEX_COMMENT, MY_LEX_END, + MY_LEX_OPERATOR_OR_IDENT, MY_LEX_NUMBER_IDENT, MY_LEX_INT_OR_REAL, + MY_LEX_REAL_OR_POINT, MY_LEX_BOOL, MY_LEX_EOL, MY_LEX_ESCAPE, + MY_LEX_LONG_COMMENT, MY_LEX_END_LONG_COMMENT, MY_LEX_SEMICOLON, + MY_LEX_SET_VAR, MY_LEX_USER_END, MY_LEX_HOSTNAME, MY_LEX_SKIP, + MY_LEX_USER_VARIABLE_DELIMITER, MY_LEX_SYSTEM_VAR, + MY_LEX_IDENT_OR_KEYWORD, + MY_LEX_IDENT_OR_HEX, MY_LEX_IDENT_OR_BIN, MY_LEX_IDENT_OR_NCHAR, + MY_LEX_STRING_OR_DELIMITER +}; + + +enum MY_ATTRIBUTE((__packed__)) hint_lex_char_classes +{ + HINT_CHR_ASTERISK, // [*] + HINT_CHR_AT, // [@] + HINT_CHR_BACKQUOTE, // [`] + HINT_CHR_CHAR, // default state + HINT_CHR_DIGIT, // [[:digit:]] + HINT_CHR_DOUBLEQUOTE, // ["] + HINT_CHR_EOF, // pseudo-class + HINT_CHR_IDENT, // [_$[:alpha:]] + HINT_CHR_MB, // multibyte character + HINT_CHR_NL, // \n + HINT_CHR_SLASH, // [/] + HINT_CHR_SPACE // [[:space:]] excluding \n +}; + + +struct lex_state_maps_st +{ + enum my_lex_states main_map[256]; + enum hint_lex_char_classes hint_map[256]; +}; + +C_MODE_START +typedef struct lex_state_maps_st lex_state_maps_st; +typedef struct charset_info_st charset_info_st; + +my_bool init_state_maps(struct charset_info_st *cs); +C_MODE_END + +#endif /* SQL_LEX_CHARS_INCLUDED */ + -- cgit v1.1