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Rational R1000/400

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⟦2dbc290e3⟧ Ada Source

    Length: 8192 (0x2000)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, package body File, seg_0426f7

Derivation

└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
    └─ ⟦cfc2e13cd⟧ »Space Info Vol 2« 
        └─⟦this⟧ 

E3 Source Code



with Text_Io, Moving_String;
use Moving_String;
package body File is

    Current_Character : Character := Ascii.Nul;
    Current_Character_Line : Natural := 1;
    Current_Character_Column : Natural := 0;
    Previous_Character_Column : Natural;
    Current_Sentence : Moving_String.Object := Moving_String.Null_Object;
    Input_Line : Moving_String.Object := Moving_String.Null_Object;
    Position : Natural := 0;
    Look_A_Head : Boolean;

    procedure Initialize is

    begin
        Look_A_Head := False;
    end Initialize;

    function Is_At_End return Boolean is

    begin
        return Current_Character = Ascii.Eot;
    end Is_At_End;

    procedure Get_Line is

        A_Character : Character;

    begin
        Moving_String.Free (Current_Sentence);
        Moving_String.Free (Input_Line);
        while not Text_Io.End_Of_Line loop
            Text_Io.Get (A_Character);
            Current_Sentence := Current_Sentence & A_Character;
            Input_Line := Input_Line & A_Character;
        end loop;
        Input_Line := Input_Line & Ascii.Lf;
        Text_Io.Skip_Line;
        if Text_Io.End_Of_File then
            Input_Line := Input_Line & Ascii.Eot;
        end if;
    end Get_Line;

    procedure Get_Char (Output_Character : out Character) is

    begin
        if Position = Moving_String.Length (Input_Line) then
            Get_Line;
            Position := 0;
        end if;
        Position := Position + 1;
        Output_Character := Moving_String.Char_At (Input_Line, Position);
    end Get_Char;

    procedure Next is

    begin
        if Look_A_Head then
            Look_A_Head := False;
            if Current_Character = Ascii.Lf then
                Previous_Character_Column := Current_Character_Column;
                Current_Character_Column := 0;
                Current_Character_Line := Current_Character_Line + 1;
            end if;
        else
            Get_Char (Current_Character);
            Current_Character_Column := Current_Character_Column + 1;
            if Current_Character = Ascii.Lf then
                Previous_Character_Column := Current_Character_Column;
                Current_Character_Column := 0;
                Current_Character_Line := Current_Character_Line + 1;
            end if;  
        end if;
    end Next;

    function Get_Sentence return String is

    begin
        return Moving_String.Image (Current_Sentence);
    end Get_Sentence;

    function Get_Value return Character is
    begin
        return Current_Character;
    end Get_Value;

    procedure Unget is
    begin
        Look_A_Head := True;
        if Current_Character = Ascii.Lf then
            Current_Character_Column := Previous_Character_Column;
            Current_Character_Line := Current_Character_Line - 1;
        end if;
    end Unget;

    function Get_Line return Natural is  
    begin
        return Current_Character_Line;
    end Get_Line;

    function Get_Column return Natural is
    begin
        return Current_Character_Column;
    end Get_Column;

end File;

E3 Meta Data

    nblk1=7
    nid=2
    hdr6=8
        [0x00] rec0=24 rec1=00 rec2=01 rec3=066
        [0x01] rec0=1f rec1=00 rec2=07 rec3=004
        [0x02] rec0=1f rec1=00 rec2=04 rec3=03e
        [0x03] rec0=0c rec1=00 rec2=05 rec3=000
        [0x04] rec0=1b rec1=00 rec2=05 rec3=040
        [0x05] rec0=1a rec1=00 rec2=04 rec3=000
        [0x06] rec0=8e rec1=8c rec2=00 rec3=026
    tail 0x2153d9da4862d59f519b4 0x42a00088462060003
Free Block Chain:
  0x2: 0000  00 03 00 13 80 0d 65 64 75 72 65 20 4e 65 78 74  ┆      edure Next┆
  0x3: 0000  00 06 03 fc 80 04 70 22 29 3b 04 00 23 20 20 20  ┆      p");  #   ┆
  0x6: 0000  00 00 02 54 80 21 20 6e 6f 74 20 65 6e 64 20 6f  ┆   T ! not end o┆