Moving a part of sql_lex.h into other *.h files
- Lex_ident_cli* into a new file sql/lex_ident_cli.h - Lex_ident_sys* into a new file sql/lex_ident_sys.h - Well_formed_prefix into include/m_ctype.h This change is needed to the optimizer hint parser coming soon.
This commit is contained in:
Alexander Barkov
parent
4e805aed85
commit
2f4b0ba328
@ -1932,6 +1932,52 @@ my_strcasecmp_latin1(const char *a, const char *b)
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int my_wc_mb_utf8mb4_bmp_only(CHARSET_INFO *cs, my_wc_t wc, uchar *r,
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int my_wc_mb_utf8mb4_bmp_only(CHARSET_INFO *cs, my_wc_t wc, uchar *r,
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uchar *e);
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uchar *e);
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#ifdef __cplusplus
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class String_copy_status: protected MY_STRCOPY_STATUS
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{
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public:
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const char *source_end_pos() const
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{ return m_source_end_pos; }
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const char *well_formed_error_pos() const
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{ return m_well_formed_error_pos; }
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};
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class Well_formed_prefix_status: public String_copy_status
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{
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public:
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Well_formed_prefix_status(CHARSET_INFO *cs,
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const char *str, const char *end, size_t nchars)
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{ cs->well_formed_char_length(str, end, nchars, this); }
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};
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class Well_formed_prefix: public Well_formed_prefix_status
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{
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const char *m_str; // The beginning of the string
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public:
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Well_formed_prefix(CHARSET_INFO *cs, const char *str, const char *end,
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size_t nchars)
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:Well_formed_prefix_status(cs, str, end, nchars), m_str(str)
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{ }
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Well_formed_prefix(CHARSET_INFO *cs, const char *str, size_t length,
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size_t nchars)
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:Well_formed_prefix_status(cs, str, str + length, nchars), m_str(str)
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{ }
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Well_formed_prefix(CHARSET_INFO *cs, const char *str, size_t length)
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:Well_formed_prefix_status(cs, str, str + length, length), m_str(str)
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{ }
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Well_formed_prefix(CHARSET_INFO *cs, LEX_CSTRING str, size_t nchars)
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:Well_formed_prefix_status(cs, str.str, str.str + str.length, nchars),
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m_str(str.str)
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{ }
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size_t length() const { return m_source_end_pos - m_str; }
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};
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#endif /* __cplusplus */
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#ifdef __cplusplus
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#ifdef __cplusplus
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}
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}
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#endif
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#endif
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122
sql/lex_ident_cli.h
Normal file
122
sql/lex_ident_cli.h
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@ -0,0 +1,122 @@
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/* Copyright (c) 2000, 2019, Oracle and/or its affiliates.
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Copyright (c) 2010, 2024, MariaDB Corporation.
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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
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
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#ifndef LEX_IDENT_CLI
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#define LEX_IDENT_CLI
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#include "my_global.h"
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#include "m_ctype.h"
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/**
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A string with metadata. Usually points to a string in the client
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character set, but unlike Lex_ident_cli_st (see below) it does not
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necessarily point to a query fragment. It can also point to memory
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of other kinds (e.g. an additional THD allocated memory buffer
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not overlapping with the current query text).
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We'll add more flags here eventually, to know if the string has, e.g.:
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- multi-byte characters
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- bad byte sequences
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- backslash escapes: 'a\nb'
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and reuse the original query fragments instead of making the string
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copy too early, in Lex_input_stream::get_text().
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This will allow to avoid unnecessary copying, as well as
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create more optimal Item types in sql_yacc.yy
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*/
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struct Lex_string_with_metadata_st: public LEX_CSTRING
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{
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private:
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bool m_is_8bit; // True if the string has 8bit characters
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char m_quote; // Quote character, or 0 if not quoted
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public:
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void set_8bit(bool is_8bit) { m_is_8bit= is_8bit; }
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void set_metadata(bool is_8bit, char quote)
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{
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m_is_8bit= is_8bit;
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m_quote= quote;
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}
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void set(const char *s, size_t len, bool is_8bit, char quote)
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{
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str= s;
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length= len;
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set_metadata(is_8bit, quote);
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}
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void set(const LEX_CSTRING *s, bool is_8bit, char quote)
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{
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((LEX_CSTRING &)*this)= *s;
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set_metadata(is_8bit, quote);
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}
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bool is_8bit() const { return m_is_8bit; }
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bool is_quoted() const { return m_quote != '\0'; }
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char quote() const { return m_quote; }
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// Get string repertoire by the 8-bit flag and the character set
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my_repertoire_t repertoire(CHARSET_INFO *cs) const
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{
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return !m_is_8bit && my_charset_is_ascii_based(cs) ?
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MY_REPERTOIRE_ASCII : MY_REPERTOIRE_UNICODE30;
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}
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// Get string repertoire by the 8-bit flag, for ASCII-based character sets
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my_repertoire_t repertoire() const
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{
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return !m_is_8bit ? MY_REPERTOIRE_ASCII : MY_REPERTOIRE_UNICODE30;
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}
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};
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/*
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Used to store identifiers in the client character set.
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Points to a query fragment.
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*/
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struct Lex_ident_cli_st: public Lex_string_with_metadata_st
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{
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public:
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void set_keyword(const char *s, size_t len)
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{
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set(s, len, false, '\0');
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}
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void set_ident(const char *s, size_t len, bool is_8bit)
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{
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set(s, len, is_8bit, '\0');
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}
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void set_ident_quoted(const char *s, size_t len, bool is_8bit, char quote)
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{
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set(s, len, is_8bit, quote);
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}
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void set_unquoted(const LEX_CSTRING *s, bool is_8bit)
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{
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set(s, is_8bit, '\0');
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}
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const char *pos() const { return str - is_quoted(); }
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const char *end() const { return str + length + is_quoted(); }
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};
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class Lex_ident_cli: public Lex_ident_cli_st
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{
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public:
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Lex_ident_cli(const LEX_CSTRING *s, bool is_8bit)
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{
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set_unquoted(s, is_8bit);
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}
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Lex_ident_cli(const char *s, size_t len)
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{
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set_ident(s, len, false);
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}
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};
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#endif // LEX_IDENT_CLI
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75
sql/lex_ident_sys.h
Normal file
75
sql/lex_ident_sys.h
Normal file
@ -0,0 +1,75 @@
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/* Copyright (c) 2000, 2019, Oracle and/or its affiliates.
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Copyright (c) 2010, 2024, MariaDB Corporation.
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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
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
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#ifndef LEX_IDENT_SYS
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#define LEX_IDENT_SYS
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#include "lex_ident_cli.h"
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#include "sql_alloc.h"
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extern "C" MYSQL_PLUGIN_IMPORT CHARSET_INFO *system_charset_info;
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struct Lex_ident_sys_st: public LEX_CSTRING, Sql_alloc
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{
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public:
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bool copy_ident_cli(const THD *thd, const Lex_ident_cli_st *str);
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bool copy_keyword(const THD *thd, const Lex_ident_cli_st *str);
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bool copy_sys(const THD *thd, const LEX_CSTRING *str);
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bool convert(const THD *thd, const LEX_CSTRING *str, CHARSET_INFO *cs);
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bool copy_or_convert(const THD *thd, const Lex_ident_cli_st *str,
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CHARSET_INFO *cs);
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bool is_null() const { return str == NULL; }
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bool to_size_number(ulonglong *to) const;
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void set_valid_utf8(const LEX_CSTRING *name)
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{
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DBUG_ASSERT(Well_formed_prefix(system_charset_info, name->str,
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name->length).length() == name->length);
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str= name->str ; length= name->length;
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}
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};
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class Lex_ident_sys: public Lex_ident_sys_st
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{
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public:
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Lex_ident_sys(const THD *thd, const Lex_ident_cli_st *str)
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{
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if (copy_ident_cli(thd, str))
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*this= Lex_ident_sys();
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}
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Lex_ident_sys()
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{
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((LEX_CSTRING &) *this)= {nullptr, 0};
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}
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Lex_ident_sys(const char *name, size_t length)
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{
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LEX_CSTRING tmp= {name, length};
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set_valid_utf8(&tmp);
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}
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Lex_ident_sys(const THD *thd, const LEX_CSTRING *str)
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{
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set_valid_utf8(str);
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}
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Lex_ident_sys & operator=(const Lex_ident_sys_st &name)
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{
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Lex_ident_sys_st::operator=(name);
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return *this;
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}
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};
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#endif // LEX_IDENT_SYS
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148
sql/sql_lex.h
148
sql/sql_lex.h
@ -21,6 +21,7 @@
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#ifndef SQL_LEX_INCLUDED
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#ifndef SQL_LEX_INCLUDED
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#define SQL_LEX_INCLUDED
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#define SQL_LEX_INCLUDED
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#include "lex_ident_sys.h"
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#include "violite.h" /* SSL_type */
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#include "violite.h" /* SSL_type */
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#include "sql_trigger.h"
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#include "sql_trigger.h"
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#include "thr_lock.h" /* thr_lock_type, TL_UNLOCK */
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#include "thr_lock.h" /* thr_lock_type, TL_UNLOCK */
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@ -47,153 +48,6 @@ typedef Bitmap<SELECT_NESTING_MAP_SIZE> nesting_map;
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/* YACC and LEX Definitions */
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/* YACC and LEX Definitions */
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/**
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A string with metadata. Usually points to a string in the client
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character set, but unlike Lex_ident_cli_st (see below) it does not
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necessarily point to a query fragment. It can also point to memory
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of other kinds (e.g. an additional THD allocated memory buffer
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not overlapping with the current query text).
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We'll add more flags here eventually, to know if the string has, e.g.:
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- multi-byte characters
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- bad byte sequences
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- backslash escapes: 'a\nb'
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and reuse the original query fragments instead of making the string
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copy too early, in Lex_input_stream::get_text().
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This will allow to avoid unnecessary copying, as well as
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create more optimal Item types in sql_yacc.yy
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*/
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struct Lex_string_with_metadata_st: public LEX_CSTRING
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{
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private:
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bool m_is_8bit; // True if the string has 8bit characters
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char m_quote; // Quote character, or 0 if not quoted
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public:
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void set_8bit(bool is_8bit) { m_is_8bit= is_8bit; }
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void set_metadata(bool is_8bit, char quote)
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{
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m_is_8bit= is_8bit;
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m_quote= quote;
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}
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void set(const char *s, size_t len, bool is_8bit, char quote)
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{
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str= s;
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length= len;
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set_metadata(is_8bit, quote);
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}
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void set(const LEX_CSTRING *s, bool is_8bit, char quote)
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{
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((LEX_CSTRING &)*this)= *s;
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set_metadata(is_8bit, quote);
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}
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bool is_8bit() const { return m_is_8bit; }
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bool is_quoted() const { return m_quote != '\0'; }
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char quote() const { return m_quote; }
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// Get string repertoire by the 8-bit flag and the character set
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my_repertoire_t repertoire(CHARSET_INFO *cs) const
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{
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return !m_is_8bit && my_charset_is_ascii_based(cs) ?
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MY_REPERTOIRE_ASCII : MY_REPERTOIRE_UNICODE30;
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}
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// Get string repertoire by the 8-bit flag, for ASCII-based character sets
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my_repertoire_t repertoire() const
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{
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return !m_is_8bit ? MY_REPERTOIRE_ASCII : MY_REPERTOIRE_UNICODE30;
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}
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};
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/*
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Used to store identifiers in the client character set.
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Points to a query fragment.
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*/
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struct Lex_ident_cli_st: public Lex_string_with_metadata_st
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{
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public:
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void set_keyword(const char *s, size_t len)
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{
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set(s, len, false, '\0');
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}
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void set_ident(const char *s, size_t len, bool is_8bit)
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{
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set(s, len, is_8bit, '\0');
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}
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void set_ident_quoted(const char *s, size_t len, bool is_8bit, char quote)
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{
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set(s, len, is_8bit, quote);
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}
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void set_unquoted(const LEX_CSTRING *s, bool is_8bit)
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{
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set(s, is_8bit, '\0');
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}
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const char *pos() const { return str - is_quoted(); }
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const char *end() const { return str + length + is_quoted(); }
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};
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class Lex_ident_cli: public Lex_ident_cli_st
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{
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public:
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Lex_ident_cli(const LEX_CSTRING *s, bool is_8bit)
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{
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set_unquoted(s, is_8bit);
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}
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Lex_ident_cli(const char *s, size_t len)
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{
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set_ident(s, len, false);
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}
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};
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|
||||||
struct Lex_ident_sys_st: public LEX_CSTRING, Sql_alloc
|
|
||||||
{
|
|
||||||
public:
|
|
||||||
bool copy_ident_cli(const THD *thd, const Lex_ident_cli_st *str);
|
|
||||||
bool copy_keyword(const THD *thd, const Lex_ident_cli_st *str);
|
|
||||||
bool copy_sys(const THD *thd, const LEX_CSTRING *str);
|
|
||||||
bool convert(const THD *thd, const LEX_CSTRING *str, CHARSET_INFO *cs);
|
|
||||||
bool copy_or_convert(const THD *thd, const Lex_ident_cli_st *str,
|
|
||||||
CHARSET_INFO *cs);
|
|
||||||
bool is_null() const { return str == NULL; }
|
|
||||||
bool to_size_number(ulonglong *to) const;
|
|
||||||
void set_valid_utf8(const LEX_CSTRING *name)
|
|
||||||
{
|
|
||||||
DBUG_ASSERT(Well_formed_prefix(system_charset_info, name->str,
|
|
||||||
name->length).length() == name->length);
|
|
||||||
str= name->str ; length= name->length;
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
class Lex_ident_sys: public Lex_ident_sys_st
|
|
||||||
{
|
|
||||||
public:
|
|
||||||
Lex_ident_sys(const THD *thd, const Lex_ident_cli_st *str)
|
|
||||||
{
|
|
||||||
if (copy_ident_cli(thd, str))
|
|
||||||
((LEX_CSTRING &) *this)= null_clex_str;
|
|
||||||
}
|
|
||||||
Lex_ident_sys()
|
|
||||||
{
|
|
||||||
((LEX_CSTRING &) *this)= null_clex_str;
|
|
||||||
}
|
|
||||||
Lex_ident_sys(const char *name, size_t length)
|
|
||||||
{
|
|
||||||
LEX_CSTRING tmp= {name, length};
|
|
||||||
set_valid_utf8(&tmp);
|
|
||||||
}
|
|
||||||
Lex_ident_sys(const THD *thd, const LEX_CSTRING *str)
|
|
||||||
{
|
|
||||||
set_valid_utf8(str);
|
|
||||||
}
|
|
||||||
Lex_ident_sys & operator=(const Lex_ident_sys_st &name)
|
|
||||||
{
|
|
||||||
Lex_ident_sys_st::operator=(name);
|
|
||||||
return *this;
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
struct Lex_column_list_privilege_st
|
struct Lex_column_list_privilege_st
|
||||||
{
|
{
|
||||||
List<Lex_ident_sys> *m_columns;
|
List<Lex_ident_sys> *m_columns;
|
||||||
|
|||||||
@ -55,48 +55,6 @@ inline uint32 copy_and_convert(char *to, size_t to_length, CHARSET_INFO *to_cs,
|
|||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
class String_copy_status: protected MY_STRCOPY_STATUS
|
|
||||||
{
|
|
||||||
public:
|
|
||||||
const char *source_end_pos() const
|
|
||||||
{ return m_source_end_pos; }
|
|
||||||
const char *well_formed_error_pos() const
|
|
||||||
{ return m_well_formed_error_pos; }
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
class Well_formed_prefix_status: public String_copy_status
|
|
||||||
{
|
|
||||||
public:
|
|
||||||
Well_formed_prefix_status(CHARSET_INFO *cs,
|
|
||||||
const char *str, const char *end, size_t nchars)
|
|
||||||
{ cs->well_formed_char_length(str, end, nchars, this); }
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
class Well_formed_prefix: public Well_formed_prefix_status
|
|
||||||
{
|
|
||||||
const char *m_str; // The beginning of the string
|
|
||||||
public:
|
|
||||||
Well_formed_prefix(CHARSET_INFO *cs, const char *str, const char *end,
|
|
||||||
size_t nchars)
|
|
||||||
:Well_formed_prefix_status(cs, str, end, nchars), m_str(str)
|
|
||||||
{ }
|
|
||||||
Well_formed_prefix(CHARSET_INFO *cs, const char *str, size_t length,
|
|
||||||
size_t nchars)
|
|
||||||
:Well_formed_prefix_status(cs, str, str + length, nchars), m_str(str)
|
|
||||||
{ }
|
|
||||||
Well_formed_prefix(CHARSET_INFO *cs, const char *str, size_t length)
|
|
||||||
:Well_formed_prefix_status(cs, str, str + length, length), m_str(str)
|
|
||||||
{ }
|
|
||||||
Well_formed_prefix(CHARSET_INFO *cs, LEX_CSTRING str, size_t nchars)
|
|
||||||
:Well_formed_prefix_status(cs, str.str, str.str + str.length, nchars),
|
|
||||||
m_str(str.str)
|
|
||||||
{ }
|
|
||||||
size_t length() const { return m_source_end_pos - m_str; }
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
class String_copier: public String_copy_status,
|
class String_copier: public String_copy_status,
|
||||||
protected MY_STRCONV_STATUS
|
protected MY_STRCONV_STATUS
|
||||||
{
|
{
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user