1 files changed, 75 insertions, 0 deletions
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 */
+