836 lines
18 KiB
Plaintext
836 lines
18 KiB
Plaintext
%{
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/*
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* Implementation of the Microsoft Installer (msi.dll)
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*
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* Copyright 2002-2004 Mike McCormack for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "windef.h"
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#include "winbase.h"
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#include "query.h"
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#include "wine/list.h"
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#include "wine/debug.h"
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#define YYLEX_PARAM info
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#define YYPARSE_PARAM info
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extern int SQL_error(const char *str);
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WINE_DEFAULT_DEBUG_CHANNEL(msi);
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typedef struct tag_SQL_input
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{
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MSIDATABASE *db;
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LPCWSTR command;
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DWORD n, len;
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MSIVIEW **view; /* view structure for the resulting query */
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struct list *mem;
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} SQL_input;
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static LPWSTR SQL_getstring( void *info, struct sql_str *str );
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static INT SQL_getint( void *info );
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static int SQL_lex( void *SQL_lval, SQL_input *info );
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static void *parser_alloc( void *info, unsigned int sz );
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static column_info *parser_alloc_column( void *info, LPCWSTR table, LPCWSTR column );
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static BOOL SQL_MarkPrimaryKeys( column_info *cols, column_info *keys);
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static struct expr * EXPR_complex( void *info, struct expr *l, UINT op, struct expr *r );
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static struct expr * EXPR_column( void *info, column_info *column );
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static struct expr * EXPR_ival( void *info, int val );
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static struct expr * EXPR_sval( void *info, struct sql_str * );
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static struct expr * EXPR_wildcard( void *info );
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%}
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%pure-parser
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%union
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{
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struct sql_str str;
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LPWSTR string;
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column_info *column_list;
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MSIVIEW *query;
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struct expr *expr;
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USHORT column_type;
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int integer;
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}
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%token TK_ABORT TK_AFTER TK_AGG_FUNCTION TK_ALL TK_AND TK_AS TK_ASC
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%token TK_BEFORE TK_BEGIN TK_BETWEEN TK_BITAND TK_BITNOT TK_BITOR TK_BY
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%token TK_CASCADE TK_CASE TK_CHAR TK_CHECK TK_CLUSTER TK_COLLATE TK_COLUMN
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%token TK_COMMA TK_COMMENT TK_COMMIT TK_CONCAT TK_CONFLICT
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%token TK_CONSTRAINT TK_COPY TK_CREATE
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%token TK_DEFAULT TK_DEFERRABLE TK_DEFERRED TK_DELETE TK_DELIMITERS TK_DESC
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%token TK_DISTINCT TK_DOT TK_DROP TK_EACH
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%token TK_ELSE TK_END TK_END_OF_FILE TK_EQ TK_EXCEPT TK_EXPLAIN
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%token TK_FAIL TK_FLOAT TK_FOR TK_FOREIGN TK_FROM TK_FUNCTION
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%token TK_GE TK_GLOB TK_GROUP TK_GT
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%token TK_HAVING TK_HOLD
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%token TK_IGNORE TK_ILLEGAL TK_IMMEDIATE TK_IN TK_INDEX TK_INITIALLY
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%token <str> TK_ID
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%token TK_INSERT TK_INSTEAD TK_INT
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%token <str> TK_INTEGER
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%token TK_INTERSECT TK_INTO TK_IS
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%token TK_ISNULL
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%token TK_JOIN TK_JOIN_KW
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%token TK_KEY
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%token TK_LE TK_LIKE TK_LIMIT TK_LONG TK_LONGCHAR TK_LP TK_LSHIFT TK_LT
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%token TK_LOCALIZABLE
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%token TK_MATCH TK_MINUS
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%token TK_NE TK_NOT TK_NOTNULL TK_NULL
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%token TK_OBJECT TK_OF TK_OFFSET TK_ON TK_OR TK_ORACLE_OUTER_JOIN TK_ORDER
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%token TK_PLUS TK_PRAGMA TK_PRIMARY
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%token TK_RAISE TK_REFERENCES TK_REM TK_REPLACE TK_RESTRICT TK_ROLLBACK
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%token TK_ROW TK_RP TK_RSHIFT
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%token TK_SELECT TK_SEMI TK_SET TK_SHORT TK_SLASH TK_SPACE TK_STAR TK_STATEMENT
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%token <str> TK_STRING
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%token TK_TABLE TK_TEMP TK_THEN TK_TRANSACTION TK_TRIGGER
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%token TK_UMINUS TK_UNCLOSED_STRING TK_UNION TK_UNIQUE
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%token TK_UPDATE TK_UPLUS TK_USING
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%token TK_VACUUM TK_VALUES TK_VIEW
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%token TK_WHEN TK_WHERE TK_WILDCARD
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/*
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* These are extra tokens used by the lexer but never seen by the
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* parser. We put them in a rule so that the parser generator will
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* add them to the parse.h output file.
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*
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*/
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%nonassoc END_OF_FILE ILLEGAL SPACE UNCLOSED_STRING COMMENT FUNCTION
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COLUMN AGG_FUNCTION.
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%type <string> table id
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%type <column_list> selcollist column column_and_type column_def table_def
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%type <column_list> column_assignment update_assign_list constlist
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%type <query> query multifrom from fromtable selectfrom unorderedsel
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%type <query> oneupdate onedelete oneselect onequery onecreate oneinsert
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%type <expr> expr val column_val const_val
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%type <column_type> column_type data_type data_type_l data_count
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%type <integer> number
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/* Reference: http://mates.ms.mff.cuni.cz/oracle/doc/ora815nt/server.815/a67779/operator.htm */
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%left TK_OR
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%left TK_AND
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%left TK_NOT
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%left TK_EQ TK_NE TK_LT TK_GT TK_LE TK_GE TK_ISNULL TK_LIKE TK_BETWEEN TK_IN
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%left TK_PLUS TK_MINUS TK_CONCAT
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%right TK_NEGATION
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%%
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query:
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onequery
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{
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SQL_input* sql = (SQL_input*) info;
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*sql->view = $1;
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}
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;
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onequery:
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oneselect
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| onecreate
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| oneinsert
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| oneupdate
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| onedelete
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;
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oneinsert:
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TK_INSERT TK_INTO table TK_LP selcollist TK_RP TK_VALUES TK_LP constlist TK_RP
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{
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SQL_input *sql = (SQL_input*) info;
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MSIVIEW *insert = NULL;
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UINT r;
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r = INSERT_CreateView( sql->db, &insert, $3, $5, $9, FALSE );
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if( !insert )
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YYABORT;
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$$ = insert;
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}
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| TK_INSERT TK_INTO table TK_LP selcollist TK_RP TK_VALUES TK_LP constlist TK_RP TK_TEMP
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{
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SQL_input *sql = (SQL_input*) info;
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MSIVIEW *insert = NULL;
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INSERT_CreateView( sql->db, &insert, $3, $5, $9, TRUE );
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if( !insert )
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YYABORT;
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$$ = insert;
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}
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;
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onecreate:
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TK_CREATE TK_TABLE table TK_LP table_def TK_RP
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{
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SQL_input* sql = (SQL_input*) info;
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MSIVIEW *create = NULL;
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if( !$5 )
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YYABORT;
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CREATE_CreateView( sql->db, &create, $3, $5, FALSE );
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if( !create )
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YYABORT;
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$$ = create;
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}
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| TK_CREATE TK_TABLE table TK_LP table_def TK_RP TK_HOLD
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{
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SQL_input* sql = (SQL_input*) info;
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MSIVIEW *create = NULL;
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if( !$5 )
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YYABORT;
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CREATE_CreateView( sql->db, &create, $3, $5, TRUE );
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if( !create )
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YYABORT;
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$$ = create;
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}
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;
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oneupdate:
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TK_UPDATE table TK_SET update_assign_list TK_WHERE expr
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{
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SQL_input* sql = (SQL_input*) info;
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MSIVIEW *update = NULL;
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UPDATE_CreateView( sql->db, &update, $2, $4, $6 );
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if( !update )
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YYABORT;
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$$ = update;
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}
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;
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onedelete:
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TK_DELETE from
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{
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SQL_input* sql = (SQL_input*) info;
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MSIVIEW *delete = NULL;
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DELETE_CreateView( sql->db, &delete, $2 );
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if( !delete )
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YYABORT;
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$$ = delete;
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}
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;
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table_def:
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column_def TK_PRIMARY TK_KEY selcollist
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{
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if( SQL_MarkPrimaryKeys( $1, $4 ) )
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$$ = $1;
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else
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$$ = NULL;
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}
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;
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column_def:
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column_def TK_COMMA column_and_type
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{
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column_info *ci;
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for( ci = $1; ci->next; ci = ci->next )
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;
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ci->next = $3;
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$$ = $1;
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}
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| column_and_type
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{
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$$ = $1;
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}
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;
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column_and_type:
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column column_type
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{
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$$ = $1;
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$$->type = $2 | MSITYPE_VALID;
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}
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;
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column_type:
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data_type_l
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{
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$$ = $1;
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}
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| data_type_l TK_LOCALIZABLE
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{
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$$ = $1 | MSITYPE_LOCALIZABLE;
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}
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;
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data_type_l:
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data_type
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{
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$$ |= MSITYPE_NULLABLE;
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}
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| data_type TK_NOT TK_NULL
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{
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$$ = $1;
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}
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;
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data_type:
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TK_CHAR
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{
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$$ = MSITYPE_STRING | 1;
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}
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| TK_CHAR TK_LP data_count TK_RP
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{
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$$ = MSITYPE_STRING | 0x400 | $3;
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}
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| TK_LONGCHAR
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{
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$$ = 2;
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}
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| TK_SHORT
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{
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$$ = 2;
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}
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| TK_INT
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{
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$$ = 2;
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}
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| TK_LONG
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{
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$$ = 4;
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}
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| TK_OBJECT
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{
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$$ = MSITYPE_STRING | MSITYPE_VALID;
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}
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;
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data_count:
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number
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{
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if( ( $1 > 255 ) || ( $1 < 0 ) )
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YYABORT;
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$$ = $1;
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}
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;
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oneselect:
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unorderedsel TK_ORDER TK_BY selcollist
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{
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SQL_input* sql = (SQL_input*) info;
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$$ = NULL;
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if( $4 )
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ORDER_CreateView( sql->db, &$$, $1, $4 );
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else
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$$ = $1;
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if( !$$ )
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YYABORT;
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}
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| unorderedsel
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;
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unorderedsel:
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TK_SELECT selectfrom
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{
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$$ = $2;
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}
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| TK_SELECT TK_DISTINCT selectfrom
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{
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SQL_input* sql = (SQL_input*) info;
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UINT r;
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$$ = NULL;
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r = DISTINCT_CreateView( sql->db, &$$, $3 );
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if (r != ERROR_SUCCESS)
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{
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$3->ops->delete($3);
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YYABORT;
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}
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}
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;
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selectfrom:
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selcollist multifrom
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{
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SQL_input* sql = (SQL_input*) info;
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UINT r;
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$$ = NULL;
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if( $1 )
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{
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r = SELECT_CreateView( sql->db, &$$, $2, $1 );
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if (r != ERROR_SUCCESS)
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{
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$2->ops->delete($2);
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YYABORT;
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}
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}
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else
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$$ = $2;
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}
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;
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selcollist:
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column
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| column TK_COMMA selcollist
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{
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$1->next = $3;
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}
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| TK_STAR
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{
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$$ = NULL;
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}
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;
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multifrom:
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from
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| TK_FROM table TK_COMMA table TK_WHERE expr
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{
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SQL_input* sql = (SQL_input*) info;
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UINT r;
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/* only support inner joins on two tables */
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r = JOIN_CreateView( sql->db, &$$, $2, $4, $6 );
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if( r != ERROR_SUCCESS )
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YYABORT;
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}
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;
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from:
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fromtable
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| fromtable TK_WHERE expr
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{
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SQL_input* sql = (SQL_input*) info;
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UINT r;
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$$ = NULL;
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r = WHERE_CreateView( sql->db, &$$, $1, $3 );
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if( r != ERROR_SUCCESS )
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{
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$1->ops->delete( $1 );
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YYABORT;
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}
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}
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;
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fromtable:
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TK_FROM table
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{
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SQL_input* sql = (SQL_input*) info;
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UINT r;
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$$ = NULL;
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r = TABLE_CreateView( sql->db, $2, &$$ );
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if( r != ERROR_SUCCESS || !$$ )
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YYABORT;
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}
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;
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expr:
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TK_LP expr TK_RP
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{
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$$ = $2;
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if( !$$ )
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YYABORT;
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}
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| expr TK_AND expr
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{
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$$ = EXPR_complex( info, $1, OP_AND, $3 );
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if( !$$ )
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YYABORT;
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}
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| expr TK_OR expr
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{
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$$ = EXPR_complex( info, $1, OP_OR, $3 );
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if( !$$ )
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YYABORT;
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}
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| column_val TK_EQ val
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{
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$$ = EXPR_complex( info, $1, OP_EQ, $3 );
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if( !$$ )
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YYABORT;
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}
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| column_val TK_GT val
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{
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$$ = EXPR_complex( info, $1, OP_GT, $3 );
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if( !$$ )
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YYABORT;
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}
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| column_val TK_LT val
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{
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$$ = EXPR_complex( info, $1, OP_LT, $3 );
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if( !$$ )
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YYABORT;
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}
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| column_val TK_LE val
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{
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$$ = EXPR_complex( info, $1, OP_LE, $3 );
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if( !$$ )
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YYABORT;
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}
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| column_val TK_GE val
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{
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$$ = EXPR_complex( info, $1, OP_GE, $3 );
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if( !$$ )
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YYABORT;
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}
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| column_val TK_NE val
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{
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$$ = EXPR_complex( info, $1, OP_NE, $3 );
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if( !$$ )
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YYABORT;
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}
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| column_val TK_IS TK_NULL
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{
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$$ = EXPR_complex( info, $1, OP_ISNULL, NULL );
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if( !$$ )
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YYABORT;
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}
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| column_val TK_IS TK_NOT TK_NULL
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{
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$$ = EXPR_complex( info, $1, OP_NOTNULL, NULL );
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if( !$$ )
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YYABORT;
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}
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;
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val:
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column_val
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| const_val
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;
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constlist:
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const_val
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{
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$$ = parser_alloc_column( info, NULL, NULL );
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if( !$$ )
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YYABORT;
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$$->val = $1;
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}
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| const_val TK_COMMA constlist
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{
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$$ = parser_alloc_column( info, NULL, NULL );
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if( !$$ )
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YYABORT;
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$$->val = $1;
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$$->next = $3;
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}
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;
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update_assign_list:
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column_assignment
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| column_assignment TK_COMMA update_assign_list
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{
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$$ = $1;
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$$->next = $3;
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}
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;
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column_assignment:
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column TK_EQ const_val
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{
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$$ = $1;
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$$->val = $3;
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}
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;
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const_val:
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number
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{
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$$ = EXPR_ival( info, $1 );
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if( !$$ )
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YYABORT;
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}
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| TK_MINUS number %prec TK_NEGATION
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{
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$$ = EXPR_ival( info, -$2 );
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if( !$$ )
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YYABORT;
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}
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| TK_STRING
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{
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$$ = EXPR_sval( info, &$1 );
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if( !$$ )
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YYABORT;
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}
|
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| TK_WILDCARD
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{
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$$ = EXPR_wildcard( info );
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if( !$$ )
|
|
YYABORT;
|
|
}
|
|
;
|
|
|
|
column_val:
|
|
column
|
|
{
|
|
$$ = EXPR_column( info, $1 );
|
|
if( !$$ )
|
|
YYABORT;
|
|
}
|
|
;
|
|
|
|
column:
|
|
table TK_DOT id
|
|
{
|
|
$$ = parser_alloc_column( info, $1, $3 );
|
|
if( !$$ )
|
|
YYABORT;
|
|
}
|
|
| id
|
|
{
|
|
$$ = parser_alloc_column( info, NULL, $1 );
|
|
if( !$$ )
|
|
YYABORT;
|
|
}
|
|
;
|
|
|
|
table:
|
|
id
|
|
{
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
id:
|
|
TK_ID
|
|
{
|
|
$$ = SQL_getstring( info, &$1 );
|
|
if( !$$ )
|
|
YYABORT;
|
|
}
|
|
;
|
|
|
|
number:
|
|
TK_INTEGER
|
|
{
|
|
$$ = SQL_getint( info );
|
|
}
|
|
;
|
|
|
|
%%
|
|
|
|
static void *parser_alloc( void *info, unsigned int sz )
|
|
{
|
|
SQL_input* sql = (SQL_input*) info;
|
|
struct list *mem;
|
|
|
|
mem = msi_alloc( sizeof (struct list) + sz );
|
|
list_add_tail( sql->mem, mem );
|
|
return &mem[1];
|
|
}
|
|
|
|
static column_info *parser_alloc_column( void *info, LPCWSTR table, LPCWSTR column )
|
|
{
|
|
column_info *col;
|
|
|
|
col = parser_alloc( info, sizeof (*col) );
|
|
if( col )
|
|
{
|
|
col->table = table;
|
|
col->column = column;
|
|
col->val = NULL;
|
|
col->type = 0;
|
|
col->next = NULL;
|
|
}
|
|
|
|
return col;
|
|
}
|
|
|
|
int SQL_lex( void *SQL_lval, SQL_input *sql )
|
|
{
|
|
int token;
|
|
struct sql_str * str = SQL_lval;
|
|
|
|
do
|
|
{
|
|
sql->n += sql->len;
|
|
if( ! sql->command[sql->n] )
|
|
return 0; /* end of input */
|
|
|
|
/* TRACE("string : %s\n", debugstr_w(&sql->command[sql->n])); */
|
|
sql->len = sqliteGetToken( &sql->command[sql->n], &token );
|
|
if( sql->len==0 )
|
|
break;
|
|
str->data = &sql->command[sql->n];
|
|
str->len = sql->len;
|
|
}
|
|
while( token == TK_SPACE );
|
|
|
|
/* TRACE("token : %d (%s)\n", token, debugstr_wn(&sql->command[sql->n], sql->len)); */
|
|
|
|
return token;
|
|
}
|
|
|
|
LPWSTR SQL_getstring( void *info, struct sql_str *strdata )
|
|
{
|
|
LPCWSTR p = strdata->data;
|
|
UINT len = strdata->len;
|
|
LPWSTR str;
|
|
|
|
/* if there's quotes, remove them */
|
|
if( ( (p[0]=='`') && (p[len-1]=='`') ) ||
|
|
( (p[0]=='\'') && (p[len-1]=='\'') ) )
|
|
{
|
|
p++;
|
|
len -= 2;
|
|
}
|
|
str = parser_alloc( info, (len + 1)*sizeof(WCHAR) );
|
|
if( !str )
|
|
return str;
|
|
memcpy( str, p, len*sizeof(WCHAR) );
|
|
str[len]=0;
|
|
|
|
return str;
|
|
}
|
|
|
|
INT SQL_getint( void *info )
|
|
{
|
|
SQL_input* sql = (SQL_input*) info;
|
|
LPCWSTR p = &sql->command[sql->n];
|
|
INT i, r = 0;
|
|
|
|
for( i=0; i<sql->len; i++ )
|
|
{
|
|
if( '0' > p[i] || '9' < p[i] )
|
|
{
|
|
ERR("should only be numbers here!\n");
|
|
break;
|
|
}
|
|
r = (p[i]-'0') + r*10;
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
int SQL_error( const char *str )
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static struct expr * EXPR_wildcard( void *info )
|
|
{
|
|
struct expr *e = parser_alloc( info, sizeof *e );
|
|
if( e )
|
|
{
|
|
e->type = EXPR_WILDCARD;
|
|
}
|
|
return e;
|
|
}
|
|
|
|
static struct expr * EXPR_complex( void *info, struct expr *l, UINT op, struct expr *r )
|
|
{
|
|
struct expr *e = parser_alloc( info, sizeof *e );
|
|
if( e )
|
|
{
|
|
e->type = EXPR_COMPLEX;
|
|
e->u.expr.left = l;
|
|
e->u.expr.op = op;
|
|
e->u.expr.right = r;
|
|
}
|
|
return e;
|
|
}
|
|
|
|
static struct expr * EXPR_column( void *info, column_info *column )
|
|
{
|
|
struct expr *e = parser_alloc( info, sizeof *e );
|
|
if( e )
|
|
{
|
|
e->type = EXPR_COLUMN;
|
|
e->u.sval = column->column;
|
|
}
|
|
return e;
|
|
}
|
|
|
|
static struct expr * EXPR_ival( void *info, int val )
|
|
{
|
|
struct expr *e = parser_alloc( info, sizeof *e );
|
|
if( e )
|
|
{
|
|
e->type = EXPR_IVAL;
|
|
e->u.ival = val;
|
|
}
|
|
return e;
|
|
}
|
|
|
|
static struct expr * EXPR_sval( void *info, struct sql_str *str )
|
|
{
|
|
struct expr *e = parser_alloc( info, sizeof *e );
|
|
if( e )
|
|
{
|
|
e->type = EXPR_SVAL;
|
|
e->u.sval = SQL_getstring( info, str );
|
|
}
|
|
return e;
|
|
}
|
|
|
|
static BOOL SQL_MarkPrimaryKeys( column_info *cols,
|
|
column_info *keys )
|
|
{
|
|
column_info *k;
|
|
BOOL found = TRUE;
|
|
|
|
for( k = keys; k && found; k = k->next )
|
|
{
|
|
column_info *c;
|
|
|
|
found = FALSE;
|
|
for( c = cols; c && !found; c = c->next )
|
|
{
|
|
if( lstrcmpW( k->column, c->column ) )
|
|
continue;
|
|
c->type |= MSITYPE_KEY;
|
|
found = TRUE;
|
|
}
|
|
}
|
|
|
|
return found;
|
|
}
|
|
|
|
UINT MSI_ParseSQL( MSIDATABASE *db, LPCWSTR command, MSIVIEW **phview,
|
|
struct list *mem )
|
|
{
|
|
SQL_input sql;
|
|
int r;
|
|
|
|
*phview = NULL;
|
|
|
|
sql.db = db;
|
|
sql.command = command;
|
|
sql.n = 0;
|
|
sql.len = 0;
|
|
sql.view = phview;
|
|
sql.mem = mem;
|
|
|
|
r = SQL_parse(&sql);
|
|
|
|
TRACE("Parse returned %d\n", r);
|
|
if( r )
|
|
{
|
|
*sql.view = NULL;
|
|
return ERROR_BAD_QUERY_SYNTAX;
|
|
}
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|