DataMuseum.dk Presents historical artifacts from the history of: Rational R1000/400

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⟦4c6fc54cb⟧ Ada Source

    Length: 5120 (0x1400)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, package body File, seg_0406ea, seg_040708, seg_040727, seg_0408a8

Derivation

└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
    └─ ⟦5a81ac88f⟧ »Space Info Vol 1« 
        └─⟦this⟧ 
└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
    └─ ⟦cfc2e13cd⟧ »Space Info Vol 2« 
        └─⟦this⟧ 

with Text_Io, File, Io_Exceptions;

package body File is

    Char_Readed : Character;
    Lookahead, End_Of_Line : Boolean;
    Line : Positive;
    subtype Letter_Majuscule is Character range 'A' .. 'Z';

    procedure Open (Afile : in Text_Io.File_Type) is
    begin
        Lookahead := False;
        Line := 1;
        End_Of_Line := False;
    end Open;



    function Is_At_End_Of_Line (Afile : in Text_Io.File_Type) return Boolean is
    begin
        if Text_Io.End_Of_Line (Afile) then
            Line := Line + 1;
        end if;
        if End_Of_Line then
            End_Of_Line := False;
        else
            End_Of_Line := Text_Io.End_Of_Line (Afile);
        end if;
        return End_Of_Line;
    end Is_At_End_Of_Line;


    procedure To_Lower (Char : in out Character) is
    begin
        if Char in Letter_Majuscule then
            Char := Character'Val (Character'Pos (Char) -
                                   Character'Pos ('A') + Character'Pos ('a'));
        end if;
    end To_Lower;


    procedure Next (Afile : in Text_Io.File_Type) is
    begin
        if not Lookahead then

            if Is_At_End_Of_Line (Afile) then
                Char_Readed := ' ';
            else
                Text_Io.Get (Afile, Char_Readed);
                To_Lower (Char_Readed);
            end if;
        else
            Lookahead := False;
        end if;
    exception
        when Io_Exceptions.End_Error =>
            raise End_Of_File_Exception;
    end Next;



    procedure Unget (Afile : in Text_Io.File_Type) is
    begin
        Lookahead := True;
    end Unget;



    function Value (Afile : in Text_Io.File_Type) return Character is
    begin
        return Char_Readed;
    end Value;

    function Get_Line (Afile : in Text_Io.File_Type) return Positive is
    begin
        return Line;
    end Get_Line;

    function Get (Afile : in Text_Io.File_Type) return Character is
    begin
        Next (Afile);
        return Value (Afile);
    end Get;


    function At_End_Of_Line (Afile : in Text_Io.File_Type) return Boolean is
    begin
        return Text_Io.End_Of_Line (Afile);
    end At_End_Of_Line;



    function At_End (Afile : in Text_Io.File_Type) return Boolean is
    begin
        if Lookahead then
            return Text_Io.End_Of_File (Afile);
        else
            return False;
        end if;
    end At_End;

end File;

    nblk1=4
    nid=2
    hdr6=6
        [0x00] rec0=26 rec1=00 rec2=01 rec3=042
        [0x01] rec0=2a rec1=00 rec2=04 rec3=028
        [0x02] rec0=19 rec1=00 rec2=03 rec3=000
        [0x03] rec0=17 rec1=00 rec2=02 rec3=000
    tail 0x21740c10a861160a74c07 0x42a00088462060003
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