4 * Implementation of the Microsoft Installer (msi.dll)
6 * Copyright 2002-2004 Mike McCormack for CodeWeavers
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
33 #include "wine/list.h"
34 #include "wine/debug.h"
36 #define YYLEX_PARAM info
37 #define YYPARSE_PARAM info
39 static int sql_error(const char *str);
41 WINE_DEFAULT_DEBUG_CHANNEL(msi);
43 typedef struct tag_SQL_input
49 MSIVIEW **view; /* view structure for the resulting query */
53 static UINT SQL_getstring( void *info, const struct sql_str *strdata, LPWSTR *str );
54 static INT SQL_getint( void *info );
55 static int sql_lex( void *SQL_lval, SQL_input *info );
57 static LPWSTR parser_add_table( LPWSTR list, LPWSTR table );
58 static void *parser_alloc( void *info, unsigned int sz );
59 static column_info *parser_alloc_column( void *info, LPCWSTR table, LPCWSTR column );
61 static BOOL SQL_MarkPrimaryKeys( column_info **cols, column_info *keys);
63 static struct expr * EXPR_complex( void *info, struct expr *l, UINT op, struct expr *r );
64 static struct expr * EXPR_unary( void *info, struct expr *l, UINT op );
65 static struct expr * EXPR_column( void *info, const column_info *column );
66 static struct expr * EXPR_ival( void *info, int val );
67 static struct expr * EXPR_sval( void *info, const struct sql_str *str );
68 static struct expr * EXPR_wildcard( void *info );
78 column_info *column_list;
85 %token TK_ALTER TK_AND TK_BY TK_CHAR TK_COMMA TK_CREATE TK_DELETE TK_DROP
86 %token TK_DISTINCT TK_DOT TK_EQ TK_FREE TK_FROM TK_GE TK_GT TK_HOLD TK_ADD
88 %token TK_ILLEGAL TK_INSERT TK_INT
89 %token <str> TK_INTEGER
90 %token TK_INTO TK_IS TK_KEY TK_LE TK_LONG TK_LONGCHAR TK_LP TK_LT
91 %token TK_LOCALIZABLE TK_MINUS TK_NE TK_NOT TK_NULL
92 %token TK_OBJECT TK_OR TK_ORDER TK_PRIMARY TK_RP
93 %token TK_SELECT TK_SET TK_SHORT TK_SPACE TK_STAR
94 %token <str> TK_STRING
95 %token TK_TABLE TK_TEMPORARY TK_UPDATE TK_VALUES TK_WHERE TK_WILDCARD
98 * These are extra tokens used by the lexer but never seen by the
99 * parser. We put them in a rule so that the parser generator will
100 * add them to the parse.h output file.
103 %nonassoc END_OF_FILE ILLEGAL SPACE UNCLOSED_STRING COMMENT FUNCTION
106 %type <string> table tablelist id
107 %type <column_list> selcollist column column_and_type column_def table_def
108 %type <column_list> column_assignment update_assign_list constlist
109 %type <query> query from fromtable selectfrom unorderedsel
110 %type <query> oneupdate onedelete oneselect onequery onecreate oneinsert onealter onedrop
111 %type <expr> expr val column_val const_val
112 %type <column_type> column_type data_type data_type_l data_count
113 %type <integer> number alterop
115 /* Reference: http://mates.ms.mff.cuni.cz/oracle/doc/ora815nt/server.815/a67779/operator.htm */
119 %left TK_EQ TK_NE TK_LT TK_GT TK_LE TK_GE TK_LIKE
127 SQL_input* sql = (SQL_input*) info;
143 TK_INSERT TK_INTO table TK_LP selcollist TK_RP TK_VALUES TK_LP constlist TK_RP
145 SQL_input *sql = (SQL_input*) info;
146 MSIVIEW *insert = NULL;
148 INSERT_CreateView( sql->db, &insert, $3, $5, $9, FALSE );
153 | TK_INSERT TK_INTO table TK_LP selcollist TK_RP TK_VALUES TK_LP constlist TK_RP TK_TEMPORARY
155 SQL_input *sql = (SQL_input*) info;
156 MSIVIEW *insert = NULL;
158 INSERT_CreateView( sql->db, &insert, $3, $5, $9, TRUE );
166 TK_CREATE TK_TABLE table TK_LP table_def TK_RP
168 SQL_input* sql = (SQL_input*) info;
169 MSIVIEW *create = NULL;
174 r = CREATE_CreateView( sql->db, &create, $3, $5, FALSE );
182 | TK_CREATE TK_TABLE table TK_LP table_def TK_RP TK_HOLD
184 SQL_input* sql = (SQL_input*) info;
185 MSIVIEW *create = NULL;
189 CREATE_CreateView( sql->db, &create, $3, $5, TRUE );
197 TK_UPDATE table TK_SET update_assign_list TK_WHERE expr
199 SQL_input* sql = (SQL_input*) info;
200 MSIVIEW *update = NULL;
202 UPDATE_CreateView( sql->db, &update, $2, $4, $6 );
207 | TK_UPDATE table TK_SET update_assign_list
209 SQL_input* sql = (SQL_input*) info;
210 MSIVIEW *update = NULL;
212 UPDATE_CreateView( sql->db, &update, $2, $4, NULL );
222 SQL_input* sql = (SQL_input*) info;
223 MSIVIEW *delete = NULL;
225 DELETE_CreateView( sql->db, &delete, $2 );
233 TK_ALTER TK_TABLE table alterop
235 SQL_input* sql = (SQL_input*) info;
236 MSIVIEW *alter = NULL;
238 ALTER_CreateView( sql->db, &alter, $3, NULL, $4 );
243 | TK_ALTER TK_TABLE table TK_ADD column_and_type
245 SQL_input *sql = (SQL_input *)info;
246 MSIVIEW *alter = NULL;
248 ALTER_CreateView( sql->db, &alter, $3, $5, 0 );
253 | TK_ALTER TK_TABLE table TK_ADD column_and_type TK_HOLD
255 SQL_input *sql = (SQL_input *)info;
256 MSIVIEW *alter = NULL;
258 ALTER_CreateView( sql->db, &alter, $3, $5, 1 );
277 TK_DROP TK_TABLE table
279 SQL_input* sql = (SQL_input*) info;
283 r = DROP_CreateView( sql->db, &$$, $3 );
284 if( r != ERROR_SUCCESS || !$$ )
290 column_def TK_PRIMARY TK_KEY selcollist
292 if( SQL_MarkPrimaryKeys( &$1, $4 ) )
300 column_def TK_COMMA column_and_type
304 for( ci = $1; ci->next; ci = ci->next )
320 $$->type = ($2 | MSITYPE_VALID);
321 $$->temporary = $2 & MSITYPE_TEMPORARY ? TRUE : FALSE;
330 | data_type_l TK_LOCALIZABLE
332 $$ = $1 | MSITYPE_LOCALIZABLE;
334 | data_type_l TK_TEMPORARY
336 $$ = $1 | MSITYPE_TEMPORARY;
343 $$ |= MSITYPE_NULLABLE;
345 | data_type TK_NOT TK_NULL
354 $$ = MSITYPE_STRING | 1;
356 | TK_CHAR TK_LP data_count TK_RP
358 $$ = MSITYPE_STRING | 0x400 | $3;
362 $$ = MSITYPE_STRING | 0x400;
378 $$ = MSITYPE_STRING | MSITYPE_VALID;
385 if( ( $1 > 255 ) || ( $1 < 0 ) )
392 unorderedsel TK_ORDER TK_BY selcollist
398 r = $1->ops->sort( $1, $4 );
399 if ( r != ERROR_SUCCESS)
413 | TK_SELECT TK_DISTINCT selectfrom
415 SQL_input* sql = (SQL_input*) info;
419 r = DISTINCT_CreateView( sql->db, &$$, $3 );
420 if (r != ERROR_SUCCESS)
431 SQL_input* sql = (SQL_input*) info;
437 r = SELECT_CreateView( sql->db, &$$, $2, $1 );
438 if (r != ERROR_SUCCESS)
451 | column TK_COMMA selcollist
463 | fromtable TK_WHERE expr
465 SQL_input* sql = (SQL_input*) info;
469 r = WHERE_CreateView( sql->db, &$$, $1, $3 );
470 if( r != ERROR_SUCCESS )
472 $1->ops->delete( $1 );
481 SQL_input* sql = (SQL_input*) info;
485 r = TABLE_CreateView( sql->db, $2, &$$ );
486 if( r != ERROR_SUCCESS || !$$ )
491 SQL_input* sql = (SQL_input*) info;
494 r = JOIN_CreateView( sql->db, &$$, $2 );
496 if( r != ERROR_SUCCESS )
507 table TK_COMMA tablelist
509 $$ = parser_add_table($3, $1);
524 $$ = EXPR_complex( info, $1, OP_AND, $3 );
530 $$ = EXPR_complex( info, $1, OP_OR, $3 );
534 | column_val TK_EQ val
536 $$ = EXPR_complex( info, $1, OP_EQ, $3 );
540 | column_val TK_GT val
542 $$ = EXPR_complex( info, $1, OP_GT, $3 );
546 | column_val TK_LT val
548 $$ = EXPR_complex( info, $1, OP_LT, $3 );
552 | column_val TK_LE val
554 $$ = EXPR_complex( info, $1, OP_LE, $3 );
558 | column_val TK_GE val
560 $$ = EXPR_complex( info, $1, OP_GE, $3 );
564 | column_val TK_NE val
566 $$ = EXPR_complex( info, $1, OP_NE, $3 );
570 | column_val TK_IS TK_NULL
572 $$ = EXPR_unary( info, $1, OP_ISNULL );
576 | column_val TK_IS TK_NOT TK_NULL
578 $$ = EXPR_unary( info, $1, OP_NOTNULL );
592 $$ = parser_alloc_column( info, NULL, NULL );
597 | const_val TK_COMMA constlist
599 $$ = parser_alloc_column( info, NULL, NULL );
609 | column_assignment TK_COMMA update_assign_list
617 column TK_EQ const_val
627 $$ = EXPR_ival( info, $1 );
631 | TK_MINUS number %prec TK_NEGATION
633 $$ = EXPR_ival( info, -$2 );
639 $$ = EXPR_sval( info, &$1 );
645 $$ = EXPR_wildcard( info );
654 $$ = EXPR_column( info, $1 );
663 $$ = parser_alloc_column( info, $1, $3 );
669 $$ = parser_alloc_column( info, NULL, $1 );
685 if ( SQL_getstring( info, &$1, &$$ ) != ERROR_SUCCESS || !$$ )
693 $$ = SQL_getint( info );
699 static LPWSTR parser_add_table(LPWSTR list, LPWSTR table)
701 DWORD size = lstrlenW(list) + lstrlenW(table) + 2;
702 static const WCHAR space[] = {' ',0};
704 list = msi_realloc(list, size * sizeof(WCHAR));
705 if (!list) return NULL;
707 lstrcatW(list, space);
708 lstrcatW(list, table);
712 static void *parser_alloc( void *info, unsigned int sz )
714 SQL_input* sql = (SQL_input*) info;
717 mem = msi_alloc( sizeof (struct list) + sz );
718 list_add_tail( sql->mem, mem );
722 static column_info *parser_alloc_column( void *info, LPCWSTR table, LPCWSTR column )
726 col = parser_alloc( info, sizeof (*col) );
730 col->column = column;
739 static int sql_lex( void *SQL_lval, SQL_input *sql )
742 struct sql_str * str = SQL_lval;
747 if( ! sql->command[sql->n] )
748 return 0; /* end of input */
750 /* TRACE("string : %s\n", debugstr_w(&sql->command[sql->n])); */
751 sql->len = sqliteGetToken( &sql->command[sql->n], &token );
754 str->data = &sql->command[sql->n];
757 while( token == TK_SPACE );
759 /* TRACE("token : %d (%s)\n", token, debugstr_wn(&sql->command[sql->n], sql->len)); */
764 UINT SQL_getstring( void *info, const struct sql_str *strdata, LPWSTR *str )
766 LPCWSTR p = strdata->data;
767 UINT len = strdata->len;
770 if( ( (p[0]=='`') && (p[len-1]!='`') ) ||
771 ( (p[0]=='\'') && (p[len-1]!='\'') ) )
772 return ERROR_FUNCTION_FAILED;
774 /* if there's quotes, remove them */
775 if( ( (p[0]=='`') && (p[len-1]=='`') ) ||
776 ( (p[0]=='\'') && (p[len-1]=='\'') ) )
781 *str = parser_alloc( info, (len + 1)*sizeof(WCHAR) );
783 return ERROR_OUTOFMEMORY;
784 memcpy( *str, p, len*sizeof(WCHAR) );
787 return ERROR_SUCCESS;
790 INT SQL_getint( void *info )
792 SQL_input* sql = (SQL_input*) info;
793 LPCWSTR p = &sql->command[sql->n];
796 for( i=0; i<sql->len; i++ )
798 if( '0' > p[i] || '9' < p[i] )
800 ERR("should only be numbers here!\n");
803 r = (p[i]-'0') + r*10;
809 static int sql_error( const char *str )
814 static struct expr * EXPR_wildcard( void *info )
816 struct expr *e = parser_alloc( info, sizeof *e );
819 e->type = EXPR_WILDCARD;
824 static struct expr * EXPR_complex( void *info, struct expr *l, UINT op, struct expr *r )
826 struct expr *e = parser_alloc( info, sizeof *e );
829 e->type = EXPR_COMPLEX;
837 static struct expr * EXPR_unary( void *info, struct expr *l, UINT op )
839 struct expr *e = parser_alloc( info, sizeof *e );
842 e->type = EXPR_UNARY;
845 e->u.expr.right = NULL;
850 static struct expr * EXPR_column( void *info, const column_info *column )
852 struct expr *e = parser_alloc( info, sizeof *e );
855 e->type = EXPR_COLUMN;
856 e->u.sval = column->column;
861 static struct expr * EXPR_ival( void *info, int val )
863 struct expr *e = parser_alloc( info, sizeof *e );
872 static struct expr * EXPR_sval( void *info, const struct sql_str *str )
874 struct expr *e = parser_alloc( info, sizeof *e );
878 if( SQL_getstring( info, str, (LPWSTR *)&e->u.sval ) != ERROR_SUCCESS )
879 return NULL; /* e will be freed by query destructor */
884 static void swap_columns( column_info **cols, column_info *A, int idx )
886 column_info *preA = NULL, *preB = NULL, *B, *ptr;
904 if( preB ) preB->next = A;
905 if( preA ) preA->next = B;
913 static BOOL SQL_MarkPrimaryKeys( column_info **cols,
920 for( k = keys, count = 0; k && found; k = k->next, count++ )
926 for( c = *cols, idx = 0; c && !found; c = c->next, idx++ )
928 if( lstrcmpW( k->column, c->column ) )
930 c->type |= MSITYPE_KEY;
933 swap_columns( cols, c, count );
940 UINT MSI_ParseSQL( MSIDATABASE *db, LPCWSTR command, MSIVIEW **phview,
949 sql.command = command;
952 sql.r = ERROR_BAD_QUERY_SYNTAX;
958 TRACE("Parse returned %d\n", r);
963 (*sql.view)->ops->delete(*sql.view);
969 return ERROR_SUCCESS;