DataMuseum.dk

Presents historical artifacts from the history of:

Rational R1000/400

This is an automatic "excavation" of a thematic subset of
artifacts from Datamuseum.dk's BitArchive.

See our Wiki for more about Rational R1000/400

Excavated with: AutoArchaeologist - Free & Open Source Software.


top - download

⟦1d1df5a1f⟧ Ada Source

    Length: 7168 (0x1c00)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, package body Action, seg_0467eb

Derivation

└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
    └─ ⟦5a81ac88f⟧ »Space Info Vol 1« 
        └─⟦this⟧ 

E3 Source Code



with Error, Dynamic_Node, Action_Conditionnelle,
     Appel, Expression_Simple, Nom_Variable;

package body Action is


    procedure Parse (List : in out Action_List.Object) is
        use Lexical_Analyzer;
        procedure The_Resynchro is new Error.Resynchro (Action.Is_Follow);  
        Dyn_Node, Dyn_Node_Expr : Dynamic_Node.Object;
    begin
        if Action_Conditionnelle.Is_First (Lexical_Analyzer.Get_Token) then  
            Action_Conditionnelle.Parse (List);
            if (Lexical_Analyzer.Get_Token /= Terminator) then
                Error.Set_Type_Error (Error.Point_Expected);
                raise Error.Excep_Syntaxe_Error;
            end if;
            Lexical_Analyzer.Next;

        elsif Appel.Is_First (Lexical_Analyzer.Get_Token) then
            Appel.Parse (List);
            if (Lexical_Analyzer.Get_Token /= Terminator) then
                Error.Set_Type_Error (Error.Point_Expected);
                raise Error.Excep_Syntaxe_Error;
            end if;
            Lexical_Analyzer.Next;

        elsif Nom_Variable.Is_First (Lexical_Analyzer.Get_Token) then
            Nom_Variable.Parse (Dyn_Node);

            Action_List.Create (List, Action_List.Affect_Action);
            Action_List.Set_Argument (List, Dyn_Node, Action_List.Target);

            if (Lexical_Analyzer.Get_Token /= Devient) then
                Error.Set_Type_Error (Error.Devient_Expected);
                raise Error.Excep_Syntaxe_Error;
            end if;  
            Lexical_Analyzer.Next;
            Expression_Simple.Parse (Dyn_Node_Expr);
            Action_List.Set_Argument (List, Dyn_Node_Expr, Action_List.Source);
            if (Lexical_Analyzer.Get_Token /= Terminator) then  
                Error.Set_Type_Error (Error.Point_Expected);
                raise Error.Excep_Syntaxe_Error;
            end if;
            Lexical_Analyzer.Next;

        else
            Error.Set_Type_Error (Error.Decl_Action_Expected);
            raise Error.Excep_Syntaxe_Error;
        end if;

    exception
        when Error.Excep_Syntaxe_Error | Error.Excep_Semantic_Error =>
            Error.Treat;
            The_Resynchro;
    end Parse;


    function Is_Follow (Un_Token : Lexical_Analyzer.Tokens) return Boolean is
        use Lexical_Analyzer;
    begin
        return (Is_First (Un_Token));
    end Is_Follow;


    function Is_First (Un_Token : Lexical_Analyzer.Tokens) return Boolean is
        use Lexical_Analyzer;
    begin
        return ((Un_Token = Plus) or (Un_Token = Minus) or
                (Un_Token = Left_Bracket) or (Un_Token = Non) or
                (Un_Token = Integer_Number) or (Un_Token = Identifier) or
                (Un_Token = String_Of_Characters) or
                (Un_Token = Complement_Or_Verbe) or (Un_Token = Complement1) or
                (Un_Token = Complement2) or (Un_Token = Ecrire) or
                (Un_Token = Retirer) or (Un_Token = Ajouter) or
                (Un_Token = Vider) or (Un_Token = Quitter) or (Un_Token = Si));
    end Is_First;


end Action;

E3 Meta Data

    nblk1=6
    nid=6
    hdr6=a
        [0x00] rec0=19 rec1=00 rec2=01 rec3=058
        [0x01] rec0=18 rec1=00 rec2=02 rec3=05c
        [0x02] rec0=05 rec1=00 rec2=05 rec3=046
        [0x03] rec0=1b rec1=00 rec2=03 rec3=004
        [0x04] rec0=01 rec1=00 rec2=04 rec3=000
        [0x05] rec0=01 rec1=00 rec2=04 rec3=001
    tail 0x21543396a86515b3dc43c 0x42a00088462060003
Free Block Chain:
  0x6: 0000  00 00 00 8c 80 0f 74 69 6f 6e 5f 45 78 70 65 63  ┆      tion_Expec┆