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. 

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⟦3107ea0ed⟧ Ada Source

    Length: 5120 (0x1400)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, package Block_Class, seg_03759d

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 Block;  
with Tiny_Custom;
with Message;
with Object;  
with Parameters;
with Tiny_Scanner;
with Symbols;

package Block_Class is

    procedure Create_Program_Block;
    function Create return Object.Reference;
    procedure Unparse (The_Block : Object.Reference);
    procedure Close;

    procedure New_Symbols_Table;
    function Table_Created return Boolean;
    procedure Set_Predefined_Identifiers;
    procedure Init_Symbol (The_Symbol : Tiny_Scanner.Lexeme);
    procedure Set_Value (The_Symbol : Tiny_Scanner.Lexeme;
                         The_Value : Object.Reference);
    function Get_Value (The_Symbol : Tiny_Scanner.Lexeme)
                       return Object.Reference;
    procedure New_Arg_List;
    procedure Set_Node (For_Block : Object.Reference; The_Node : Block.Node);
    procedure Set_Keyword (The_Keyword : Tiny_Scanner.Lexeme);
    procedure Set_Argument (The_Argument : Tiny_Scanner.Lexeme);

    function Send (To_Object : Object.Reference;
                   The_Message : Tiny_Scanner.Lexeme) return Object.Reference;
    procedure Send (To_Object : Object.Reference;
                    The_Message : in out Message.Selector;
                    With_Arguments : in out Parameters.List;
                    Back_Object : out Object.Reference);

private

    type Size is range 0 .. Tiny_Custom.Block_Max_Number;
    type Block_Def is
        record
            Free : Boolean := True;
            Parse_Node : Block.Node := Block.Empty_Node;
            Local_Symb : Symbols.Table := Symbols.Nil;
            Keywords : Message.Selector := Message.Nil;
            Arguments : Message.Selector := Message.Nil;
            Enclosing : Size := 0;
        end record;
    type Block_Map is array (Size) of Block_Def;
    Blocks : Block_Map;
    Current_Block : Size := 0;

end Block_Class;

E3 Meta Data

    nblk1=4
    nid=3
    hdr6=4
        [0x00] rec0=1e rec1=00 rec2=01 rec3=03a
        [0x01] rec0=19 rec1=00 rec2=02 rec3=000
        [0x02] rec0=0d rec1=00 rec2=03 rec3=000
        [0x03] rec0=0c rec1=00 rec2=03 rec3=000
    tail 0x2152fd25484de873f4f7d 0x42a00088462060003
Free Block Chain:
  0x3: 0000  00 04 00 03 00 00 00 6e 74 5f 42 6c 6f 63 6b 20  ┆       nt_Block ┆
  0x4: 0000  00 00 00 3b 80 0d 63 74 2e 52 65 66 65 72 65 6e  ┆   ;  ct.Referen┆