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609 lines
15 KiB
Text
609 lines
15 KiB
Text
/*****************************************************************************
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Copyright (c) 1997, 2014, Oracle and/or its affiliates. All Rights Reserved.
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Copyright (c) 2017, 2021, MariaDB Corporation.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
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*****************************************************************************/
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/******************************************************
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SQL parser: input file for the GNU Bison parser generator
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Look from pars0lex.l for instructions how to generate the C files for
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the InnoDB parser.
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Created 12/14/1997 Heikki Tuuri
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*******************************************************/
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%{
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/* The value of the semantic attribute is a pointer to a query tree node
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que_node_t */
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#include "univ.i"
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#include <math.h>
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#include "pars0pars.h"
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#include "mem0mem.h"
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#include "que0types.h"
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#include "que0que.h"
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#include "row0sel.h"
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#ifdef __GNUC__
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# pragma GCC diagnostic ignored "-Wpragmas"
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# pragma GCC diagnostic ignored "-Wunknown-warning-option"
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# pragma GCC diagnostic ignored "-Wfree-nonheap-object"
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# pragma GCC diagnostic ignored "-Wunused-but-set-variable"
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#endif
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#define YYSTYPE que_node_t*
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/* #define __STDC__ */
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int
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yylex(void);
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%}
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%token PARS_INT_LIT
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%token PARS_FLOAT_LIT
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%token PARS_STR_LIT
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%token PARS_NULL_LIT
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%token PARS_ID_TOKEN
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%token PARS_AND_TOKEN
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%token PARS_OR_TOKEN
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%token PARS_NOT_TOKEN
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%token PARS_GE_TOKEN
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%token PARS_LE_TOKEN
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%token PARS_NE_TOKEN
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%token PARS_PROCEDURE_TOKEN
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%token PARS_IN_TOKEN
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%token PARS_INT_TOKEN
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%token PARS_CHAR_TOKEN
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%token PARS_IS_TOKEN
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%token PARS_BEGIN_TOKEN
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%token PARS_END_TOKEN
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%token PARS_IF_TOKEN
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%token PARS_THEN_TOKEN
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%token PARS_ELSE_TOKEN
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%token PARS_ELSIF_TOKEN
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%token PARS_LOOP_TOKEN
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%token PARS_WHILE_TOKEN
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%token PARS_RETURN_TOKEN
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%token PARS_SELECT_TOKEN
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%token PARS_COUNT_TOKEN
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%token PARS_FROM_TOKEN
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%token PARS_WHERE_TOKEN
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%token PARS_FOR_TOKEN
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%token PARS_DDOT_TOKEN
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%token PARS_ORDER_TOKEN
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%token PARS_BY_TOKEN
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%token PARS_ASC_TOKEN
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%token PARS_DESC_TOKEN
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%token PARS_INSERT_TOKEN
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%token PARS_INTO_TOKEN
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%token PARS_VALUES_TOKEN
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%token PARS_UPDATE_TOKEN
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%token PARS_SET_TOKEN
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%token PARS_DELETE_TOKEN
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%token PARS_CURRENT_TOKEN
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%token PARS_OF_TOKEN
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%token PARS_CREATE_TOKEN
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%token PARS_TABLE_TOKEN
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%token PARS_INDEX_TOKEN
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%token PARS_UNIQUE_TOKEN
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%token PARS_CLUSTERED_TOKEN
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%token PARS_ON_TOKEN
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%token PARS_ASSIGN_TOKEN
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%token PARS_DECLARE_TOKEN
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%token PARS_CURSOR_TOKEN
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%token PARS_SQL_TOKEN
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%token PARS_OPEN_TOKEN
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%token PARS_FETCH_TOKEN
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%token PARS_CLOSE_TOKEN
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%token PARS_NOTFOUND_TOKEN
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%token PARS_TO_BINARY_TOKEN
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%token PARS_SUBSTR_TOKEN
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%token PARS_CONCAT_TOKEN
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%token PARS_INSTR_TOKEN
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%token PARS_LENGTH_TOKEN
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%token PARS_COMMIT_TOKEN
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%token PARS_ROLLBACK_TOKEN
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%token PARS_WORK_TOKEN
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%token PARS_EXIT_TOKEN
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%token PARS_FUNCTION_TOKEN
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%token PARS_LOCK_TOKEN
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%token PARS_SHARE_TOKEN
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%token PARS_MODE_TOKEN
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%token PARS_LIKE_TOKEN
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%token PARS_LIKE_TOKEN_EXACT
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%token PARS_LIKE_TOKEN_PREFIX
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%token PARS_LIKE_TOKEN_SUFFIX
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%token PARS_LIKE_TOKEN_SUBSTR
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%token PARS_TABLE_NAME_TOKEN
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%token PARS_BIGINT_TOKEN
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%left PARS_AND_TOKEN PARS_OR_TOKEN
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%left PARS_NOT_TOKEN
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%left '=' '<' '>' PARS_GE_TOKEN PARS_LE_TOKEN
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%left '-' '+'
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%left '*' '/'
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%left NEG /* negation--unary minus */
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%left '%'
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%expect 41
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/* Grammar follows */
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%%
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top_statement:
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procedure_definition ';'
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statement:
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while_statement ';'
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| for_statement ';'
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| exit_statement ';'
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| if_statement ';'
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| return_statement ';'
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| assignment_statement ';'
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| select_statement ';'
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| insert_statement ';'
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| delete_statement_searched ';'
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| delete_statement_positioned ';'
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| update_statement_searched ';'
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| update_statement_positioned ';'
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| open_cursor_statement ';'
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| fetch_statement ';'
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| close_cursor_statement ';'
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| commit_statement ';'
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| rollback_statement ';'
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| create_table ';'
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| create_index ';'
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;
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statement_list:
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statement { $$ = que_node_list_add_last(NULL, $1); }
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| statement_list statement
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{ $$ = que_node_list_add_last($1, $2); }
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;
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exp:
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PARS_ID_TOKEN { $$ = $1;}
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| function_name '(' exp_list ')'
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{ $$ = pars_func($1, $3); }
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| PARS_INT_LIT { $$ = $1;}
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| PARS_FLOAT_LIT { $$ = $1;}
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| PARS_STR_LIT { $$ = $1;}
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| PARS_NULL_LIT { $$ = $1;}
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| PARS_SQL_TOKEN { $$ = $1;}
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| exp '+' exp { $$ = pars_op('+', $1, $3); }
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| exp '-' exp { $$ = pars_op('-', $1, $3); }
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| exp '*' exp { $$ = pars_op('*', $1, $3); }
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| exp '/' exp { $$ = pars_op('/', $1, $3); }
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| '-' exp %prec NEG { $$ = pars_op('-', $2, NULL); }
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| '(' exp ')' { $$ = $2; }
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| exp '=' exp { $$ = pars_op('=', $1, $3); }
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| exp PARS_LIKE_TOKEN PARS_STR_LIT
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{ $$ = pars_op(PARS_LIKE_TOKEN, $1, $3); }
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| exp '<' exp { $$ = pars_op('<', $1, $3); }
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| exp '>' exp { $$ = pars_op('>', $1, $3); }
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| exp PARS_GE_TOKEN exp { $$ = pars_op(PARS_GE_TOKEN, $1, $3); }
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| exp PARS_LE_TOKEN exp { $$ = pars_op(PARS_LE_TOKEN, $1, $3); }
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| exp PARS_NE_TOKEN exp { $$ = pars_op(PARS_NE_TOKEN, $1, $3); }
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| exp PARS_AND_TOKEN exp{ $$ = pars_op(PARS_AND_TOKEN, $1, $3); }
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| exp PARS_OR_TOKEN exp { $$ = pars_op(PARS_OR_TOKEN, $1, $3); }
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| PARS_NOT_TOKEN exp { $$ = pars_op(PARS_NOT_TOKEN, $2, NULL); }
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| PARS_ID_TOKEN '%' PARS_NOTFOUND_TOKEN
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{ $$ = pars_op(PARS_NOTFOUND_TOKEN, $1, NULL); }
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| PARS_SQL_TOKEN '%' PARS_NOTFOUND_TOKEN
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{ $$ = pars_op(PARS_NOTFOUND_TOKEN, $1, NULL); }
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;
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function_name:
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PARS_TO_BINARY_TOKEN { $$ = &pars_to_binary_token; }
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| PARS_SUBSTR_TOKEN { $$ = &pars_substr_token; }
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| PARS_CONCAT_TOKEN { $$ = &pars_concat_token; }
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| PARS_INSTR_TOKEN { $$ = &pars_instr_token; }
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| PARS_LENGTH_TOKEN { $$ = &pars_length_token; }
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;
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user_function_call:
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PARS_ID_TOKEN '(' ')' { $$ = $1; }
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;
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table_list:
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table_name { $$ = que_node_list_add_last(NULL, $1); }
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| table_list ',' table_name
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{ $$ = que_node_list_add_last($1, $3); }
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;
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variable_list:
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/* Nothing */ { $$ = NULL; }
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| PARS_ID_TOKEN { $$ = que_node_list_add_last(NULL, $1); }
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| variable_list ',' PARS_ID_TOKEN
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{ $$ = que_node_list_add_last($1, $3); }
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;
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exp_list:
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/* Nothing */ { $$ = NULL; }
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| exp { $$ = que_node_list_add_last(NULL, $1);}
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| exp_list ',' exp { $$ = que_node_list_add_last($1, $3); }
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;
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select_item:
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exp { $$ = $1; }
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| PARS_COUNT_TOKEN '(' '*' ')'
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{ $$ = pars_func(&pars_count_token,
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que_node_list_add_last(NULL,
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sym_tab_add_int_lit(
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pars_sym_tab_global, 1))); }
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;
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select_item_list:
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/* Nothing */ { $$ = NULL; }
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| select_item { $$ = que_node_list_add_last(NULL, $1); }
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| select_item_list ',' select_item
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{ $$ = que_node_list_add_last($1, $3); }
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;
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select_list:
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'*' { $$ = pars_select_list(&pars_star_denoter,
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NULL); }
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| select_item_list PARS_INTO_TOKEN variable_list
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{ $$ = pars_select_list(
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$1, static_cast<sym_node_t*>($3)); }
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| select_item_list { $$ = pars_select_list($1, NULL); }
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;
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search_condition:
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/* Nothing */ { $$ = NULL; }
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| PARS_WHERE_TOKEN exp { $$ = $2; }
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;
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for_update_clause:
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/* Nothing */ { $$ = NULL; }
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| PARS_FOR_TOKEN PARS_UPDATE_TOKEN
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{ $$ = &pars_update_token; }
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;
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lock_shared_clause:
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/* Nothing */ { $$ = NULL; }
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| PARS_LOCK_TOKEN PARS_IN_TOKEN PARS_SHARE_TOKEN PARS_MODE_TOKEN
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{ $$ = &pars_share_token; }
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;
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order_direction:
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/* Nothing */ { $$ = &pars_asc_token; }
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| PARS_ASC_TOKEN { $$ = &pars_asc_token; }
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| PARS_DESC_TOKEN { $$ = &pars_desc_token; }
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;
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order_by_clause:
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/* Nothing */ { $$ = NULL; }
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| PARS_ORDER_TOKEN PARS_BY_TOKEN PARS_ID_TOKEN order_direction
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{ $$ = pars_order_by(
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static_cast<sym_node_t*>($3),
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static_cast<pars_res_word_t*>($4)); }
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;
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select_statement:
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PARS_SELECT_TOKEN select_list
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PARS_FROM_TOKEN table_list
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search_condition
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for_update_clause
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lock_shared_clause
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order_by_clause { $$ = pars_select_statement(
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static_cast<sel_node_t*>($2),
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static_cast<sym_node_t*>($4),
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static_cast<que_node_t*>($5),
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static_cast<pars_res_word_t*>($6),
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static_cast<pars_res_word_t*>($7),
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static_cast<order_node_t*>($8)); }
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;
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insert_statement_start:
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PARS_INSERT_TOKEN PARS_INTO_TOKEN
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table_name { $$ = $3; }
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;
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insert_statement:
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insert_statement_start PARS_VALUES_TOKEN '(' exp_list ')'
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{ $$ = pars_insert_statement(
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static_cast<sym_node_t*>($1), $4, NULL); }
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| insert_statement_start select_statement
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{ $$ = pars_insert_statement(
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static_cast<sym_node_t*>($1),
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NULL,
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static_cast<sel_node_t*>($2)); }
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;
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column_assignment:
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PARS_ID_TOKEN '=' exp { $$ = pars_column_assignment(
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static_cast<sym_node_t*>($1),
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static_cast<que_node_t*>($3)); }
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;
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column_assignment_list:
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column_assignment { $$ = que_node_list_add_last(NULL, $1); }
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| column_assignment_list ',' column_assignment
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{ $$ = que_node_list_add_last($1, $3); }
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;
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cursor_positioned:
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PARS_WHERE_TOKEN
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PARS_CURRENT_TOKEN PARS_OF_TOKEN
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PARS_ID_TOKEN { $$ = $4; }
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;
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update_statement_start:
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PARS_UPDATE_TOKEN table_name
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PARS_SET_TOKEN
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column_assignment_list { $$ = pars_update_statement_start(
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FALSE,
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static_cast<sym_node_t*>($2),
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static_cast<col_assign_node_t*>($4)); }
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;
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update_statement_searched:
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update_statement_start
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search_condition { $$ = pars_update_statement(
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static_cast<upd_node_t*>($1),
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NULL,
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static_cast<que_node_t*>($2)); }
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;
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update_statement_positioned:
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update_statement_start
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cursor_positioned { $$ = pars_update_statement(
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static_cast<upd_node_t*>($1),
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static_cast<sym_node_t*>($2),
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NULL); }
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;
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delete_statement_start:
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PARS_DELETE_TOKEN PARS_FROM_TOKEN
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table_name { $$ = pars_update_statement_start(
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TRUE,
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static_cast<sym_node_t*>($3), NULL); }
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;
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delete_statement_searched:
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delete_statement_start
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search_condition { $$ = pars_update_statement(
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static_cast<upd_node_t*>($1),
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NULL,
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static_cast<que_node_t*>($2)); }
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;
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delete_statement_positioned:
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delete_statement_start
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cursor_positioned { $$ = pars_update_statement(
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static_cast<upd_node_t*>($1),
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static_cast<sym_node_t*>($2),
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NULL); }
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;
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assignment_statement:
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PARS_ID_TOKEN PARS_ASSIGN_TOKEN exp
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{ $$ = pars_assignment_statement(
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static_cast<sym_node_t*>($1),
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static_cast<que_node_t*>($3)); }
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;
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elsif_element:
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PARS_ELSIF_TOKEN
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exp PARS_THEN_TOKEN statement_list
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{ $$ = pars_elsif_element($2, $4); }
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;
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elsif_list:
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elsif_element { $$ = que_node_list_add_last(NULL, $1); }
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| elsif_list elsif_element
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{ $$ = que_node_list_add_last($1, $2); }
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;
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else_part:
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/* Nothing */ { $$ = NULL; }
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| PARS_ELSE_TOKEN statement_list
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{ $$ = $2; }
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| elsif_list { $$ = $1; }
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;
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if_statement:
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PARS_IF_TOKEN exp PARS_THEN_TOKEN statement_list
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else_part
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PARS_END_TOKEN PARS_IF_TOKEN
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{ $$ = pars_if_statement($2, $4, $5); }
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;
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while_statement:
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PARS_WHILE_TOKEN exp PARS_LOOP_TOKEN statement_list
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PARS_END_TOKEN PARS_LOOP_TOKEN
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{ $$ = pars_while_statement($2, $4); }
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;
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for_statement:
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PARS_FOR_TOKEN PARS_ID_TOKEN PARS_IN_TOKEN
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exp PARS_DDOT_TOKEN exp
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PARS_LOOP_TOKEN statement_list
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PARS_END_TOKEN PARS_LOOP_TOKEN
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{ $$ = pars_for_statement(
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static_cast<sym_node_t*>($2),
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$4, $6, $8); }
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;
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exit_statement:
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PARS_EXIT_TOKEN { $$ = pars_exit_statement(); }
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;
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return_statement:
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PARS_RETURN_TOKEN { $$ = pars_return_statement(); }
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;
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open_cursor_statement:
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PARS_OPEN_TOKEN PARS_ID_TOKEN
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{ $$ = pars_open_statement(
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ROW_SEL_OPEN_CURSOR,
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static_cast<sym_node_t*>($2)); }
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;
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close_cursor_statement:
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PARS_CLOSE_TOKEN PARS_ID_TOKEN
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{ $$ = pars_open_statement(
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ROW_SEL_CLOSE_CURSOR,
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static_cast<sym_node_t*>($2)); }
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;
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fetch_statement:
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PARS_FETCH_TOKEN PARS_ID_TOKEN PARS_INTO_TOKEN variable_list
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{ $$ = pars_fetch_statement(
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static_cast<sym_node_t*>($2),
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static_cast<sym_node_t*>($4), NULL); }
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| PARS_FETCH_TOKEN PARS_ID_TOKEN PARS_INTO_TOKEN user_function_call
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{ $$ = pars_fetch_statement(
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static_cast<sym_node_t*>($2),
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NULL,
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static_cast<sym_node_t*>($4)); }
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;
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column_def:
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PARS_ID_TOKEN type_name opt_column_len opt_not_null
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{ $$ = pars_column_def(
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static_cast<sym_node_t*>($1),
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static_cast<pars_res_word_t*>($2),
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static_cast<sym_node_t*>($3),
|
|
$4); }
|
|
;
|
|
|
|
column_def_list:
|
|
column_def { $$ = que_node_list_add_last(NULL, $1); }
|
|
| column_def_list ',' column_def
|
|
{ $$ = que_node_list_add_last($1, $3); }
|
|
;
|
|
|
|
opt_column_len:
|
|
/* Nothing */ { $$ = NULL; }
|
|
| '(' PARS_INT_LIT ')'
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
opt_not_null:
|
|
/* Nothing */ { $$ = NULL; }
|
|
| PARS_NOT_TOKEN PARS_NULL_LIT
|
|
{ $$ = &pars_int_token;
|
|
/* pass any non-NULL pointer */ }
|
|
;
|
|
|
|
create_table:
|
|
PARS_CREATE_TOKEN PARS_TABLE_TOKEN
|
|
table_name '(' column_def_list ')'
|
|
{ $$ = pars_create_table(
|
|
static_cast<sym_node_t*>($3),
|
|
static_cast<sym_node_t*>($5)); }
|
|
;
|
|
|
|
column_list:
|
|
PARS_ID_TOKEN { $$ = que_node_list_add_last(NULL, $1); }
|
|
| column_list ',' PARS_ID_TOKEN
|
|
{ $$ = que_node_list_add_last($1, $3); }
|
|
;
|
|
|
|
unique_def:
|
|
/* Nothing */ { $$ = NULL; }
|
|
| PARS_UNIQUE_TOKEN { $$ = &pars_unique_token; }
|
|
;
|
|
|
|
clustered_def:
|
|
/* Nothing */ { $$ = NULL; }
|
|
| PARS_CLUSTERED_TOKEN { $$ = &pars_clustered_token; }
|
|
;
|
|
|
|
create_index:
|
|
PARS_CREATE_TOKEN unique_def
|
|
clustered_def
|
|
PARS_INDEX_TOKEN
|
|
PARS_ID_TOKEN PARS_ON_TOKEN
|
|
table_name
|
|
'(' column_list ')' { $$ = pars_create_index(
|
|
static_cast<pars_res_word_t*>($2),
|
|
static_cast<pars_res_word_t*>($3),
|
|
static_cast<sym_node_t*>($5),
|
|
static_cast<sym_node_t*>($7),
|
|
static_cast<sym_node_t*>($9)); }
|
|
;
|
|
|
|
table_name:
|
|
PARS_ID_TOKEN { $$ = $1; }
|
|
| PARS_TABLE_NAME_TOKEN { $$ = $1; }
|
|
;
|
|
|
|
commit_statement:
|
|
PARS_COMMIT_TOKEN PARS_WORK_TOKEN
|
|
{ $$ = pars_commit_statement(); }
|
|
;
|
|
|
|
rollback_statement:
|
|
PARS_ROLLBACK_TOKEN PARS_WORK_TOKEN
|
|
{ $$ = pars_rollback_statement(); }
|
|
;
|
|
|
|
type_name:
|
|
PARS_INT_TOKEN { $$ = &pars_int_token; }
|
|
| PARS_BIGINT_TOKEN { $$ = &pars_bigint_token; }
|
|
| PARS_CHAR_TOKEN { $$ = &pars_char_token; }
|
|
;
|
|
|
|
variable_declaration:
|
|
PARS_ID_TOKEN type_name ';'
|
|
{ $$ = pars_variable_declaration(
|
|
static_cast<sym_node_t*>($1),
|
|
static_cast<pars_res_word_t*>($2)); }
|
|
;
|
|
|
|
variable_declaration_list:
|
|
/* Nothing */
|
|
| variable_declaration
|
|
| variable_declaration_list variable_declaration
|
|
;
|
|
|
|
cursor_declaration:
|
|
PARS_DECLARE_TOKEN PARS_CURSOR_TOKEN PARS_ID_TOKEN
|
|
PARS_IS_TOKEN select_statement ';'
|
|
{ $$ = pars_cursor_declaration(
|
|
static_cast<sym_node_t*>($3),
|
|
static_cast<sel_node_t*>($5)); }
|
|
;
|
|
|
|
function_declaration:
|
|
PARS_DECLARE_TOKEN PARS_FUNCTION_TOKEN PARS_ID_TOKEN ';'
|
|
{ $$ = pars_function_declaration(
|
|
static_cast<sym_node_t*>($3)); }
|
|
;
|
|
|
|
declaration:
|
|
cursor_declaration
|
|
| function_declaration
|
|
;
|
|
|
|
declaration_list:
|
|
/* Nothing */
|
|
| declaration
|
|
| declaration_list declaration
|
|
;
|
|
|
|
procedure_definition:
|
|
PARS_PROCEDURE_TOKEN PARS_ID_TOKEN '(' ')'
|
|
PARS_IS_TOKEN
|
|
variable_declaration_list
|
|
declaration_list
|
|
PARS_BEGIN_TOKEN
|
|
statement_list
|
|
PARS_END_TOKEN { $$ = pars_procedure_definition(
|
|
static_cast<sym_node_t*>($2), $9); }
|
|
;
|
|
|
|
%%
|