sql.tab.c

winNT技术操作系统,国外开放的原代码和LIUX一样

  if (yyn <= 0)
    {
      if (yyn == 0 || yyn == YYTABLE_NINF)
	goto yyerrlab;
      yyn = -yyn;
      goto yyreduce;
    }

  if (yyn == YYFINAL)
    YYACCEPT;

  /* Shift the look-ahead token.  */
  YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);

  /* Discard the token being shifted unless it is eof.  */
  if (yychar != YYEOF)
    yychar = YYEMPTY;

  *++yyvsp = yylval;


  /* Count tokens shifted since error; after three, turn off error
     status.  */
  if (yyerrstatus)
    yyerrstatus--;

  yystate = yyn;
  goto yynewstate;


/*-----------------------------------------------------------.
| yydefault -- do the default action for the current state.  |
`-----------------------------------------------------------*/
yydefault:
  yyn = yydefact[yystate];
  if (yyn == 0)
    goto yyerrlab;
  goto yyreduce;


/*-----------------------------.
| yyreduce -- Do a reduction.  |
`-----------------------------*/
yyreduce:
  /* yyn is the number of a rule to reduce with.  */
  yylen = yyr2[yyn];

  /* If YYLEN is nonzero, implement the default value of the action:
     `$$ = $1'.

     Otherwise, the following line sets YYVAL to garbage.
     This behavior is undocumented and Bison
     users should not rely upon it.  Assigning to YYVAL
     unconditionally makes the parser a bit smaller, and it avoids a
     GCC warning that YYVAL may be used uninitialized.  */
  yyval = yyvsp[1-yylen];


  YY_REDUCE_PRINT (yyn);
  switch (yyn)
    {
        case 2:
#line 124 "sql.y"
    {
        SQL_input* sql = (SQL_input*) info;
        *sql->view = (yyvsp[0].query);
    ;}
    break;

  case 9:
#line 141 "sql.y"
    {
            SQL_input *sql = (SQL_input*) info;
            MSIVIEW *insert = NULL;
            UINT r;

            r = INSERT_CreateView( sql->db, &insert, (yyvsp[-7].string), (yyvsp[-5].column_list), (yyvsp[-1].column_list), FALSE );
            if( !insert )
                YYABORT;
            (yyval.query) = insert;
        ;}
    break;

  case 10:
#line 152 "sql.y"
    {
            SQL_input *sql = (SQL_input*) info;
            MSIVIEW *insert = NULL;

            INSERT_CreateView( sql->db, &insert, (yyvsp[-8].string), (yyvsp[-6].column_list), (yyvsp[-2].column_list), TRUE );
            if( !insert )
                YYABORT;
            (yyval.query) = insert;
        ;}
    break;

  case 11:
#line 165 "sql.y"
    {
            SQL_input* sql = (SQL_input*) info;
            MSIVIEW *create = NULL;

            if( !(yyvsp[-1].column_list) )
                YYABORT;
            CREATE_CreateView( sql->db, &create, (yyvsp[-3].string), (yyvsp[-1].column_list), FALSE );
            if( !create )
                YYABORT;
            (yyval.query) = create;
        ;}
    break;

  case 12:
#line 177 "sql.y"
    {
            SQL_input* sql = (SQL_input*) info;
            MSIVIEW *create = NULL;

            if( !(yyvsp[-2].column_list) )
                YYABORT;
            CREATE_CreateView( sql->db, &create, (yyvsp[-4].string), (yyvsp[-2].column_list), TRUE );
            if( !create )
                YYABORT;
            (yyval.query) = create;
        ;}
    break;

  case 13:
#line 192 "sql.y"
    {
            SQL_input* sql = (SQL_input*) info;
            MSIVIEW *update = NULL;

            UPDATE_CreateView( sql->db, &update, (yyvsp[-4].string), (yyvsp[-2].column_list), (yyvsp[0].expr) );
            if( !update )
                YYABORT;
            (yyval.query) = update;
        ;}
    break;

  case 14:
#line 202 "sql.y"
    {
            SQL_input* sql = (SQL_input*) info;
            MSIVIEW *update = NULL;

            UPDATE_CreateView( sql->db, &update, (yyvsp[-2].string), (yyvsp[0].column_list), NULL );
            if( !update )
                YYABORT;
            (yyval.query) = update;
        ;}
    break;

  case 15:
#line 215 "sql.y"
    {
            SQL_input* sql = (SQL_input*) info;
            MSIVIEW *delete = NULL;

            DELETE_CreateView( sql->db, &delete, (yyvsp[0].query) );
            if( !delete )
                YYABORT;
            (yyval.query) = delete;
        ;}
    break;

  case 16:
#line 228 "sql.y"
    {
            SQL_input* sql = (SQL_input*) info;
            MSIVIEW *alter = NULL;

            ALTER_CreateView( sql->db, &alter, (yyvsp[-1].string), (yyvsp[0].integer) );
            if( !alter )
                YYABORT;
            (yyval.query) = alter;
        ;}
    break;

  case 17:
#line 241 "sql.y"
    {
            (yyval.integer) = 1;
        ;}
    break;

  case 18:
#line 245 "sql.y"
    {
            (yyval.integer) = -1;
        ;}
    break;

  case 19:
#line 252 "sql.y"
    {
            if( SQL_MarkPrimaryKeys( (yyvsp[-3].column_list), (yyvsp[0].column_list) ) )
                (yyval.column_list) = (yyvsp[-3].column_list);
            else
                (yyval.column_list) = NULL;
        ;}
    break;

  case 20:
#line 262 "sql.y"
    {
            column_info *ci;

            for( ci = (yyvsp[-2].column_list); ci->next; ci = ci->next )
                ;

            ci->next = (yyvsp[0].column_list);
            (yyval.column_list) = (yyvsp[-2].column_list);
        ;}
    break;

  case 21:
#line 272 "sql.y"
    {
            (yyval.column_list) = (yyvsp[0].column_list);
        ;}
    break;

  case 22:
#line 279 "sql.y"
    {
            (yyval.column_list) = (yyvsp[-1].column_list);
            (yyval.column_list)->type = (yyvsp[0].column_type) | MSITYPE_VALID;
        ;}
    break;

  case 23:
#line 287 "sql.y"
    {
            (yyval.column_type) = (yyvsp[0].column_type);
        ;}
    break;

  case 24:
#line 291 "sql.y"
    {
            (yyval.column_type) = (yyvsp[-1].column_type) | MSITYPE_LOCALIZABLE;
        ;}
    break;

  case 25:
#line 295 "sql.y"
    {
            FIXME("temporary column\n");
        ;}
    break;

  case 26:
#line 302 "sql.y"
    {
            (yyval.column_type) |= MSITYPE_NULLABLE;
        ;}
    break;

  case 27:
#line 306 "sql.y"
    {
            (yyval.column_type) = (yyvsp[-2].column_type);
        ;}
    break;

  case 28:
#line 313 "sql.y"
    {
            (yyval.column_type) = MSITYPE_STRING | 1;
        ;}
    break;

  case 29:
#line 317 "sql.y"
    {
            (yyval.column_type) = MSITYPE_STRING | 0x400 | (yyvsp[-1].column_type);
        ;}
    break;

  case 30:
#line 321 "sql.y"
    {
            (yyval.column_type) = 2;
        ;}
    break;

  case 31:
#line 325 "sql.y"
    {
            (yyval.column_type) = 2;
        ;}
    break;

  case 32:
#line 329 "sql.y"
    {
            (yyval.column_type) = 2;
        ;}
    break;

  case 33:
#line 333 "sql.y"
    {
            (yyval.column_type) = 4;
        ;}
    break;

  case 34:
#line 337 "sql.y"
    {
            (yyval.column_type) = MSITYPE_STRING | MSITYPE_VALID;
        ;}
    break;

  case 35:
#line 344 "sql.y"
    {
            if( ( (yyvsp[0].integer) > 255 ) || ( (yyvsp[0].integer) < 0 ) )
                YYABORT;
            (yyval.column_type) = (yyvsp[0].integer);
        ;}
    break;

  case 36:
#line 353 "sql.y"
    {
            SQL_input* sql = (SQL_input*) info;

            (yyval.query) = NULL;
            if( (yyvsp[0].column_list) )
                ORDER_CreateView( sql->db, &(yyval.query), (yyvsp[-3].query), (yyvsp[0].column_list) );
            else
                (yyval.query) = (yyvsp[-3].query);
            if( !(yyval.query) )
                YYABORT;
        ;}
    break;

  case 38:
#line 369 "sql.y"
    {
            (yyval.query) = (yyvsp[0].query);
        ;}
    break;

  case 39:
#line 373 "sql.y"
    {
            SQL_input* sql = (SQL_input*) info;
            UINT r;

            (yyval.query) = NULL;
            r = DISTINCT_CreateView( sql->db, &(yyval.query), (yyvsp[0].query) );
            if (r != ERROR_SUCCESS)
            {
                (yyvsp[0].query)->ops->delete((yyvsp[0].query));
                YYABORT;
            }
        ;}
    break;

  case 40:
#line 389 "sql.y"
    {
            SQL_input* sql = (SQL_input*) info;
            UINT r;

            (yyval.query) = NULL;
            if( (yyvsp[-1].column_list) )
            {
                r = SELECT_CreateView( sql->db, &(yyval.query), (yyvsp[0].query), (yyvsp[-1].column_list) );
                if (r != ERROR_SUCCESS)
                {
                    (yyvsp[0].query)->ops->delete((yyvsp[0].query));
                    YYABORT;
                }
            }
            else
                (yyval.query) = (yyvsp[0].query);
        ;}
    break;

  case 42:
#line 411 "sql.y"
    {
            (yyvsp[-2].column_list)->next = (yyvsp[0].column_list);
        ;}
    break;

  case 43:
#line 415 "sql.y"
    {
            (yyval.column_list) = NULL;
        ;}
    break;

  case 45:
#line 423 "sql.y"
    {
            SQL_input* sql = (SQL_input*) info;
            UINT r;

            (yyval.query) = NULL;
            r = WHERE_CreateView( sql->db, &(yyval.query), (yyvsp[-2].query), (yyvsp[0].expr) );
            if( r != ERROR_SUCCESS )
            {
                (yyvsp[-2].query)->ops->delete( (yyvsp[-2].query) );
                YYABORT;
            }
        ;}
    break;

  case 46:
#line 439 "sql.y"
    {
            SQL_input* sql = (SQL_input*) info;
            UINT r;

            (yyval.query) = NULL;
            r = TABLE_CreateView( sql->db, (yyvsp[0].string), &(yyval.query) );
            if( r != ERROR_SUCCESS || !(yyval.query) )
                YYABORT;
        ;}
    break;

  case 47:
#line 449 "sql.y"
    {
            SQL_input* sql = (SQL_input*) info;
            UINT r;

            /* only support inner joins on two tables */
            r = JOIN_CreateView( sql->db, &(yyval.query), (yyvsp[-2].string), (yyvsp[0].string) );
            if( r != ERROR_SUCCESS )
                YYABORT;
        ;}
    break;

  case 48:
#line 462 "sql.y"
    {
            (yyval.expr) = (yyvsp[-1].expr);
            if( !(yyval.expr) )
                YYABORT;
        ;}
    break;

  case 49:
#line 468 "sql.y"
    {
            (yyval.expr) = EXPR_complex( info, (yyvsp[-2].expr), OP_AND, (yyvsp[0].expr) );
            if( !(yyval.expr) )
                YYABORT;
        ;}