Topspeed_JPI/TS-V3/REP16/BIGSETS.LST

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    1  IMPLEMENTATION MODULE BigSets;
    2  (*
    3   *  REPERTOIRE
    4   *  Release 1.6
    5   *  By Charles Bradford and Cole Brecheen
    6   *  (c) Copyright 1985-1992 PMI
    7   *  Green Bay, Wisconsin
    8   *  All rights reserved
    9   *  (414) 468-6040
   10   *
   11   *  $Header:   D:/logfiles/mods/bigsets.mov   1.3   10 Mar 1991 15:25:08   coleb  $
   12   *
   13   *
   14   *  Written and contributed by Wilbur C. Andrews.
   15   *
   16   *)
   17  
   18  
   19  IMPORT ErrorManager;
   20  IMPORT M2Strings;
   21  IMPORT StrEdit;
   22  
   23  
   24  VAR
   25    Initialized : BOOLEAN;
   26  
   27    PROCEDURE Init();
   28      BEGIN
   29        IF Initialized THEN
   30          RETURN;
   31        ELSE
   32          Initialized := TRUE;
   33        END;
   34        ErrorManager.Init();
*****        ^ not supported yet
*****                     ^ not supported yet
*****                          ^ not supported yet
   35        M2Strings.Init();
*****        ^ not supported yet
*****                  ^ not supported yet
*****                       ^ not supported yet
   36        StrEdit.Init();
*****        ^ not supported yet
*****                ^ not supported yet
*****                     ^ not supported yet
   37  
   38        InitSet(DigitSet);
*****        ^ undeclared identifier
*****                ^ undeclared identifier
   39        InitSet(ChSet);
*****        ^ undeclared identifier
*****                ^ undeclared identifier
   40        AppendSet(DigitSet, "{'0'..'9'}");
*****        ^ undeclared identifier
*****                  ^ undeclared identifier
*****                            ^ not supported yet
   41        AppendSet(ChSet, "{' '..'~'}");
*****        ^ undeclared identifier
*****                  ^ undeclared identifier
*****                         ^ not supported yet
   42      END Init;
*****          ^ not supported yet
   43  
   44  
   45    CONST
   46      begin = 1;
   47      Dot = 2;
   48      Quote = 3;
   49      statement = 4;
   50      incomplete = 5;
   51      end = 7;
   52      StartSym = '{';
   53      EndSym = '}';
   54  
   55  
   56  
   57    PROCEDURE SetStuff(n : CARDINAL; VAR ArrayNo, Index : CARDINAL);
   58      BEGIN
   59        IF n=0 THEN
   60          ArrayNo := 0;
   61          Index := 0;
   62        ELSE
   63          ArrayNo := n DIV BitSetSize;
*****                           ^ undeclared identifier
   64          Index := n MOD BitSetSize;
*****                         ^ undeclared identifier
   65        END;
   66      END SetStuff;
*****          ^ not supported yet
   67  
   68    PROCEDURE InitSet(VAR BSet : ARRAY OF BITSET);
*****                                          ^ undeclared identifier
   69      VAR
   70        n : CARDINAL;
   71      BEGIN
   72        FOR n := 0 TO HIGH(BSet) DO
*****                      ^ undeclared identifier
*****                           ^ not supported yet
   73          BSet[n] := {};
*****          ^ not supported yet
*****                ^ not supported yet
*****                      ^ not supported yet
   74        END;
   75      END InitSet;
*****          ^ not supported yet
   76  
   77    PROCEDURE AssignSet(Set1 : ARRAY OF BITSET; VAR Set2 : ARRAY OF
*****                                        ^ undeclared identifier
   78        BITSET);
*****        ^ undeclared identifier
   79      VAR
   80        a : CARDINAL;
   81      BEGIN
   82        FOR a := 0 TO HIGH(Set1) DO
*****                      ^ undeclared identifier
*****                           ^ not supported yet
   83          Set2[a] := Set1[a];
*****          ^ not supported yet
*****                ^ not supported yet
*****                     ^ not supported yet
*****                           ^ not supported yet
   84        END;
   85      END AssignSet;
*****          ^ not supported yet
   86  
   87    PROCEDURE Check( ArrayNumber, LastBitSet: CARDINAL );
   88      BEGIN
   89        IF ArrayNumber > LastBitSet THEN
   90          ErrorManager.WARN( "Set element out of range");
*****          ^ not supported yet
*****                       ^ not supported yet
*****                             ^ not supported yet
   91        END;
   92      END Check;
*****          ^ not supported yet
   93  
   94    PROCEDURE InclSet(VAR BSet : ARRAY OF BITSET; n : CARDINAL);
*****                                          ^ undeclared identifier
   95      VAR
   96        ArrayNo, Index : CARDINAL;
   97      BEGIN
   98        SetStuff(n, ArrayNo, Index);
*****        ^ not supported yet
*****                                  ^ not supported yet
   99        Check( ArrayNo, HIGH(BSet) );
*****        ^ not supported yet
*****                        ^ undeclared identifier
*****                             ^ not supported yet
  100        INCL(BSet[ArrayNo], Index);
*****        ^ undeclared identifier
*****             ^ not supported yet
*****                         ^ not supported yet
*****                                 ^ not supported yet
  101      END InclSet;
*****          ^ not supported yet
  102  
  103    PROCEDURE ExclSet(VAR BSet : ARRAY OF BITSET; n : CARDINAL);
*****                                          ^ undeclared identifier
  104      VAR
  105        ArrayNo, Index : CARDINAL;
  106      BEGIN
  107        SetStuff(n, ArrayNo, Index);
*****        ^ not supported yet
*****                                  ^ not supported yet
  108        Check( ArrayNo, HIGH(BSet) );
*****        ^ not supported yet
*****                        ^ undeclared identifier
*****                             ^ not supported yet
  109        EXCL(BSet[ArrayNo], Index);
*****        ^ undeclared identifier
*****             ^ not supported yet
*****                         ^ not supported yet
*****                                 ^ not supported yet
  110      END ExclSet;
*****          ^ not supported yet
  111  
  112    PROCEDURE InSet(VAR BSet : ARRAY OF BITSET; n : CARDINAL) : BOOLEAN;
*****                                        ^ undeclared identifier
  113      VAR
  114        ArrayNo, Index : CARDINAL;
  115        bool : BOOLEAN;
  116      BEGIN
  117        SetStuff(n, ArrayNo, Index);
*****        ^ not supported yet
*****                                  ^ not supported yet
  118        Check( ArrayNo, HIGH(BSet) );
*****        ^ not supported yet
*****                        ^ undeclared identifier
*****                             ^ not supported yet
  119        bool := Index IN BSet[ArrayNo];
*****                         ^ not supported yet
*****                                     ^ not supported yet
  120        RETURN bool;
  121      END InSet;
*****          ^ not supported yet
  122  
  123    PROCEDURE EqualSet(VAR SetOne, SetTwo : ARRAY OF BITSET) : BOOLEAN;
*****                                                     ^ undeclared identifier
  124      VAR
  125        EqualBool : BOOLEAN;
  126        a : CARDINAL;
  127      BEGIN
  128        a := 0;
  129        EqualBool := TRUE;
  130        WHILE (a<=HIGH(SetOne)) AND EqualBool DO
*****                  ^ undeclared identifier
*****                       ^ not supported yet
  131          EqualBool := SetOne[a]=SetTwo[a];
*****                       ^ not supported yet
*****                               ^ not supported yet
*****                                 ^ not supported yet
*****                                         ^ not supported yet
  132          a := a+1;
  133        END;
  134        RETURN EqualBool;
  135      END EqualSet;
*****          ^ not supported yet
  136  
  137  
  138    PROCEDURE AppendSet(VAR BSet : ARRAY OF BITSET; st : ARRAY OF CHAR);
*****                                            ^ undeclared identifier
*****                                                                  ^ not supported yet
  139  
  140    TYPE
  141      SetStType = ARRAY [0..79] OF CHAR;
*****                            ^ not supported yet
*****                                   ^ not supported yet
  142      StRecord =
  143        RECORD
  144          Item : SetStType;
  145          type : (card, octal, char);
  146        END;
*****        ^ not supported yet
  147  
  148      VAR
  149        ch : CHAR;
  150        Error, count : CARDINAL;
  151        CodeSt : SetStType;
*****                 ^ not supported yet
  152        StartSt, EndSt : StRecord;
*****                         ^ not supported yet
  153        EndBool : BOOLEAN;
  154        message: ARRAY [0..79] OF CHAR;
*****                           ^ not supported yet
*****                                  ^ not supported yet
  155        dumstr: ARRAY [0..0] OF CHAR;
*****                          ^ not supported yet
*****                                ^ not supported yet
  156  
  157      PROCEDURE GetCh();
  158        BEGIN
  159          IF count<=(M2Strings.Length(CodeSt)-1) THEN
*****                     ^ not supported yet
*****                               ^ not supported yet
*****                                      ^ not supported yet
  160            ch := CodeSt[count];
*****                  ^ not supported yet
*****                              ^ not supported yet
  161            INC(count);
*****            ^ undeclared identifier
*****                     ^ not supported yet
  162          ELSE
  163            ch := 0C;
  164          END;
  165        END GetCh;
*****            ^ not supported yet
  166  
  167      PROCEDURE GetSym();
  168        BEGIN
  169          GetCh();
*****          ^ not supported yet
*****                ^ not supported yet
  170          WHILE ch=' ' DO
  171            GetCh();
*****            ^ not supported yet
*****                  ^ not supported yet
  172          END;
  173        END GetSym;
*****            ^ not supported yet
  174  
  175      PROCEDURE StToNum(st : ARRAY OF CHAR; base : CARDINAL) : CARDINAL;
*****                                      ^ not supported yet
  176        VAR
  177          a, c : CARDINAL;
  178        BEGIN
  179          c := 0;
  180          FOR a := 0 TO M2Strings.Length(st)-1 DO
*****                        ^ not supported yet
*****                                  ^ not supported yet
*****                                         ^ not supported yet
*****                                             ^ FOR needs integer variable and bounds
  181            c := c*base+(ORD(st[a])-ORD('0'));
*****                         ^ undeclared identifier
*****                             ^ not supported yet
*****                                 ^ not supported yet
*****                                    ^ undeclared identifier
*****                                           ^ not supported yet
  182          END;
  183          RETURN c;
  184        END StToNum;
*****            ^ not supported yet
  185  
  186      PROCEDURE AddToSet(VAR BSet : ARRAY OF BITSET);
*****                                             ^ undeclared identifier
  187        VAR
  188          StartNum, EndNum : CARDINAL;
  189  
  190        PROCEDURE SetNum(st : StRecord) : CARDINAL;
  191          BEGIN
  192            CASE st.type OF
*****                 ^ not supported yet
*****                    ^ not supported yet
  193              card :
*****              ^ not supported yet
  194              RETURN StToNum(st.Item,10);
*****                     ^ not supported yet
*****                             ^ not supported yet
*****                                ^ not supported yet
*****                                       ^ not supported yet
  195            | octal :
*****              ^ not supported yet
  196              RETURN StToNum(st.Item,8);
*****                     ^ not supported yet
*****                             ^ not supported yet
*****                                ^ not supported yet
*****                                      ^ not supported yet
  197            | char :
*****              ^ not supported yet
  198              RETURN ORD(st.Item[0]);
*****                     ^ undeclared identifier
*****                         ^ not supported yet
*****                            ^ not supported yet
*****                                  ^ not supported yet
  199            END;
  200            RETURN 0;
  201          END SetNum;
*****              ^ not supported yet
  202  
  203        BEGIN
  204          (* AddToSet *)
  205          IF M2Strings.Length(EndSt.Item)>0 THEN
*****             ^ not supported yet
*****                       ^ not supported yet
*****                              ^ not supported yet
*****                                    ^ not supported yet
  206            IF M2Strings.Length(StartSt.Item)=0 THEN
*****               ^ not supported yet
*****                         ^ not supported yet
*****                                ^ not supported yet
*****                                        ^ not supported yet
  207              InclSet(BSet, SetNum(EndSt));
*****              ^ not supported yet
*****                      ^ not supported yet
*****                            ^ not supported yet
*****                                   ^ not supported yet
  208            ELSE
  209              StartNum := SetNum(StartSt);
*****                          ^ not supported yet
*****                                 ^ not supported yet
  210              EndNum := SetNum(EndSt);
*****                        ^ not supported yet
*****                               ^ not supported yet
  211              WHILE StartNum<=EndNum DO
  212                InclSet(BSet, StartNum);
*****                ^ not supported yet
*****                        ^ not supported yet
*****                                      ^ not supported yet
  213                INC(StartNum);
*****                ^ undeclared identifier
*****                            ^ not supported yet
  214              END;
  215            END;
  216          END;
  217          StartSt.Item := 0C;
*****          ^ not supported yet
*****                  ^ not supported yet
  218          EndSt.Item := 0C;
*****          ^ not supported yet
*****                ^ not supported yet
  219        END AddToSet;
*****            ^ not supported yet
  220  
  221      PROCEDURE AddToNumSt(ch : CHAR; VAR st : ARRAY OF CHAR);
*****                                                        ^ not supported yet
  222        BEGIN
  223          StrEdit.Append(st, ch);
*****          ^ not supported yet
*****                  ^ not supported yet
*****                         ^ not supported yet
*****                               ^ not supported yet
  224        END AddToNumSt;
*****            ^ not supported yet
  225  
  226      PROCEDURE DecodeDot();
  227        BEGIN
  228          IF ch='.' THEN
  229            StartSt := EndSt;
*****            ^ not supported yet
*****                       ^ not supported yet
  230            EndSt.Item := 0C;
*****            ^ not supported yet
*****                  ^ not supported yet
  231          ELSE
  232            Error := Dot;
  233            EndBool := TRUE;
  234          END;
  235        END DecodeDot;
*****            ^ not supported yet
  236  
  237      PROCEDURE DecodeNum();
  238        BEGIN
  239          EndSt.type := card;
*****          ^ not supported yet
*****                ^ not supported yet
*****                        ^ not supported yet
  240          AddToNumSt(ch, EndSt.Item);
*****          ^ not supported yet
*****                         ^ not supported yet
*****                               ^ not supported yet
  241          GetCh();
*****          ^ not supported yet
*****                ^ not supported yet
  242          WHILE (ch>='0') AND (ch<='9') DO
  243            AddToNumSt(ch, EndSt.Item);
*****            ^ not supported yet
*****                           ^ not supported yet
*****                                 ^ not supported yet
  244            GetCh();
*****            ^ not supported yet
*****                  ^ not supported yet
  245          END;
  246          IF CAP(ch)='C' THEN
*****             ^ undeclared identifier
*****                   ^ not supported yet
  247            EndSt.type := octal;
*****            ^ not supported yet
*****                  ^ not supported yet
*****                          ^ not supported yet
  248            GetCh();
*****            ^ not supported yet
*****                  ^ not supported yet
  249          END;
  250        END DecodeNum;
*****            ^ not supported yet
  251  
  252      PROCEDURE DecodeQuote(QuoteCh : CHAR);
  253        BEGIN
  254          EndSt.Item[0] := ch;
*****          ^ not supported yet
*****                ^ not supported yet
*****                      ^ not supported yet
  255          EndSt.Item[1] := 0C;
*****          ^ not supported yet
*****                ^ not supported yet
*****                      ^ not supported yet
  256          EndSt.type := char;
*****          ^ not supported yet
*****                ^ not supported yet
*****                        ^ not supported yet
  257          GetCh();
*****          ^ not supported yet
*****                ^ not supported yet
  258          IF ch#QuoteCh THEN
  259            Error := Quote;
  260            EndBool := TRUE;
  261          END;
  262        END DecodeQuote;
*****            ^ not supported yet
  263  
  264      PROCEDURE Statement();
  265        BEGIN
  266          (* Statement *)
  267          StartSt.Item := 0C;
*****          ^ not supported yet
*****                  ^ not supported yet
  268          EndSt.Item := 0C;
*****          ^ not supported yet
*****                ^ not supported yet
  269          WHILE (NOT EndBool) DO
  270            IF ch="'" THEN
  271          (* Character *)
  272              GetCh();
*****              ^ not supported yet
*****                    ^ not supported yet
  273              DecodeQuote("'");
*****              ^ not supported yet
*****                             ^ not supported yet
  274              GetSym();
*****              ^ not supported yet
*****                     ^ not supported yet
  275            ELSIF ch='"' THEN
  276          (* Character *)
  277              GetCh();
*****              ^ not supported yet
*****                    ^ not supported yet
  278              DecodeQuote('"');
*****              ^ not supported yet
*****                             ^ not supported yet
  279              GetSym();
*****              ^ not supported yet
*****                     ^ not supported yet
  280            ELSIF (ch>='0') AND (ch<='9') THEN
  281          (* CARDINAL OR OCTAL Number *)
  282              DecodeNum();
*****              ^ not supported yet
*****                        ^ not supported yet
  283              IF ch=' ' THEN
  284                GetSym();
*****                ^ not supported yet
*****                       ^ not supported yet
  285              END;
  286            ELSE
  287              Error := statement;
  288              EndBool := TRUE;
  289            END;
  290            IF ch=0C THEN
  291              Error := incomplete;
  292                               (* End of string reached *)
  293              EndBool := TRUE;
  294            ELSIF ch=',' THEN
  295              AddToSet(BSet);
*****              ^ not supported yet
*****                       ^ not supported yet
  296              GetSym();
*****              ^ not supported yet
*****                     ^ not supported yet
  297            ELSIF ch='.' THEN
  298              GetCh();
*****              ^ not supported yet
*****                    ^ not supported yet
  299              DecodeDot();
*****              ^ not supported yet
*****                        ^ not supported yet
  300              GetSym();
*****              ^ not supported yet
*****                     ^ not supported yet
  301            ELSIF ch=EndSym THEN
  302              EndBool := TRUE;
  303            ELSE
  304              Error := statement;
  305              EndBool := TRUE;
  306            END;
  307          END;
  308            (* WHILE NOT EndBool *)
  309        END Statement;
*****            ^ not supported yet
  310  
  311      BEGIN
  312        (* AppendSet *)
  313        StrEdit.AssignStr( st, CodeSt );
*****        ^ not supported yet
*****                ^ not supported yet
*****                           ^ not supported yet
*****                               ^ not supported yet
  314        EndBool := FALSE;
  315        Error := 0;
  316        count := 0;
  317        ch := ' ';
  318        GetSym();
*****        ^ not supported yet
*****               ^ not supported yet
  319        IF ch=StartSym THEN
  320          GetSym();
*****          ^ not supported yet
*****                 ^ not supported yet
  321          IF ch#EndSym THEN
  322            Statement();
*****            ^ not supported yet
*****                      ^ not supported yet
  323          END;
  324        ELSE
  325          Error := begin;
  326          EndBool := TRUE;
  327        END;
  328        IF (ch=EndSym) AND (Error=0) THEN
  329          AddToSet(BSet);
*****          ^ not supported yet
*****                   ^ not supported yet
  330        ELSIF Error=0 THEN
  331          Error := end;
  332        END;
  333        IF Error # 0 THEN
  334          StrEdit.AssignStr( 'Programmer error #', message );
*****          ^ not supported yet
*****                  ^ not supported yet
*****                             ^ not supported yet
*****                                                   ^ not supported yet
  335          dumstr[0] := CHR(Error);
*****          ^ not supported yet
*****                  ^ not supported yet
*****                       ^ undeclared identifier
*****                                ^ not supported yet
  336          StrEdit.Append( message, dumstr );
*****          ^ not supported yet
*****                  ^ not supported yet
*****                          ^ not supported yet
*****                                   ^ not supported yet
  337          StrEdit.Append( message, 'in AppendSet.' );
*****          ^ not supported yet
*****                  ^ not supported yet
*****                          ^ not supported yet
*****                                   ^ not supported yet
  338          ErrorManager.WARN( message );
*****          ^ not supported yet
*****                       ^ not supported yet
*****                             ^ not supported yet
  339        END;
  340      END AppendSet;
*****          ^ not supported yet
  341  
  342    PROCEDURE InclCh(VAR ChSet : ARRAY OF BITSET; ch : CHAR);
*****                                          ^ undeclared identifier
  343      VAR
  344        n : CARDINAL;
  345      BEGIN
  346        n := ORD(ch);
*****             ^ undeclared identifier
*****                   ^ not supported yet
  347        InclSet(ChSet, n);
*****        ^ not supported yet
*****                ^ not supported yet
*****                        ^ not supported yet
  348      END InclCh;
*****          ^ not supported yet
  349  
  350    PROCEDURE ExclCh(VAR ChSet : ARRAY OF BITSET; ch : CHAR);
*****                                          ^ undeclared identifier
  351      VAR
  352        n : CARDINAL;
  353      BEGIN
  354        n := ORD(ch);
*****             ^ undeclared identifier
*****                   ^ not supported yet
  355        ExclSet(ChSet, n);
*****        ^ not supported yet
*****                ^ not supported yet
*****                        ^ not supported yet
  356      END ExclCh;
*****          ^ not supported yet
  357  
  358    PROCEDURE InChSet(VAR ChSet : ARRAY OF BITSET; ch : CHAR) : BOOLEAN;
*****                                           ^ undeclared identifier
  359      VAR
  360        n : CARDINAL;
  361        bool : BOOLEAN;
  362      BEGIN
  363        n := ORD(ch);
*****             ^ undeclared identifier
*****                   ^ not supported yet
  364        bool := InSet(ChSet,n);
*****                ^ not supported yet
*****                      ^ not supported yet
*****                             ^ not supported yet
  365        RETURN bool;
  366      END InChSet;
*****          ^ not supported yet
  367  
  368    PROCEDURE InTest(SetSt : ARRAY OF CHAR; TestCh : CHAR) : BOOLEAN;
*****                                      ^ not supported yet
  369      VAR
  370        TestSet : ChSetArray;
*****                  ^ undeclared identifier
  371      BEGIN
  372        InitSet(TestSet);
*****        ^ not supported yet
*****                ^ not supported yet
  373        AppendSet(TestSet, SetSt);
*****        ^ not supported yet
*****                  ^ not supported yet
*****                           ^ not supported yet
  374        RETURN InChSet(TestSet,TestCh);
*****               ^ not supported yet
*****                       ^ not supported yet
*****                                     ^ not supported yet
  375      END InTest;
*****          ^ not supported yet
  376  
  377  
  378  (* The procedures below assume that SetOne, SetTwo,
  379     and result are all of equal size.  The compiler's
  380     range checking option ought to catch violations of
  381     that assumption, but particular implementations may
  382     not.  The routines could be rewritten to deal with
  383     sets of unequal size, but that would take a lot more
  384     code and would probably be much slower. *)
  385  
  386    PROCEDURE SetUnion( SetOne, SetTwo: ARRAY OF BITSET;
*****                                                 ^ undeclared identifier
  387        VAR result: ARRAY OF BITSET );
*****                             ^ undeclared identifier
  388      VAR
  389        cnt, last: CARDINAL;
  390      BEGIN
  391        InitSet( result );
*****        ^ not supported yet
*****                 ^ not supported yet
  392        last := HIGH( SetOne );
*****                ^ undeclared identifier
*****                      ^ not supported yet
  393        FOR cnt := 0 TO last DO
  394          result[cnt] := SetOne[cnt] + SetTwo[cnt];
*****          ^ not supported yet
*****                    ^ not supported yet
*****                         ^ not supported yet
*****                                   ^ not supported yet
*****                                       ^ not supported yet
*****                                                 ^ not supported yet
  395        END;
  396      END SetUnion;
*****          ^ not supported yet
  397  
  398    PROCEDURE SetDifference( SetOne, SetTwo: ARRAY OF
  399        BITSET; VAR result: ARRAY OF BITSET );
*****        ^ undeclared identifier
*****                                     ^ undeclared identifier
  400      VAR
  401        cnt, last: CARDINAL;
  402      BEGIN
  403        InitSet( result );
*****        ^ not supported yet
*****                 ^ not supported yet
  404        last := HIGH( SetOne );
*****                ^ undeclared identifier
*****                      ^ not supported yet
  405        FOR cnt := 0 TO last DO
  406          result[cnt] := SetOne[cnt] - SetTwo[cnt];
*****          ^ not supported yet
*****                    ^ not supported yet
*****                         ^ not supported yet
*****                                   ^ not supported yet
*****                                       ^ not supported yet
*****                                                 ^ not supported yet
  407        END;
  408      END SetDifference;
*****          ^ not supported yet
  409  
  410    PROCEDURE SetIntersection( SetOne, SetTwo: ARRAY OF
  411        BITSET; VAR result: ARRAY OF BITSET );
*****        ^ undeclared identifier
*****                                     ^ undeclared identifier
  412      VAR
  413        cnt, last: CARDINAL;
  414      BEGIN
  415        InitSet( result );
*****        ^ not supported yet
*****                 ^ not supported yet
  416        last := HIGH( SetOne );
*****                ^ undeclared identifier
*****                      ^ not supported yet
  417        FOR cnt := 0 TO last DO
  418          result[cnt] := SetOne[cnt] * SetTwo[cnt];
*****          ^ not supported yet
*****                    ^ not supported yet
*****                         ^ not supported yet
*****                                   ^ not supported yet
*****                                       ^ not supported yet
*****                                                 ^ not supported yet
  419        END;
  420      END SetIntersection;
*****          ^ not supported yet
  421  
  422    PROCEDURE SetSymmetricDiff( SetOne, SetTwo: ARRAY OF
  423        BITSET; VAR result: ARRAY OF BITSET );
*****        ^ undeclared identifier
*****                                     ^ undeclared identifier
  424      VAR
  425        cnt, last: CARDINAL;
  426      BEGIN
  427        InitSet( result );
*****        ^ not supported yet
*****                 ^ not supported yet
  428        last := HIGH( SetOne );
*****                ^ undeclared identifier
*****                      ^ not supported yet
  429        FOR cnt := 0 TO last DO
  430          result[cnt] := SetOne[cnt] / SetTwo[cnt];
*****          ^ not supported yet
*****                    ^ not supported yet
*****                         ^ not supported yet
*****                                   ^ not supported yet
*****                                       ^ not supported yet
*****                                                 ^ not supported yet
  431        END;
  432      END SetSymmetricDiff;
*****          ^ not supported yet
  433  
  434  BEGIN
  435    Initialized := FALSE;
  436    Init();
*****    ^ not supported yet
*****         ^ not supported yet
  437  END BigSets.
*****      ^ not supported yet

  356 errors