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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⟦a9f333f10⟧ Ada Source

    Length: 3072 (0xc00)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, package Primary, seg_038f10, seg_038f69

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



-- This package parses and interprets the following rules
--
-- rule 0:
--  syntax:     primary ::= integer
--  semantic:   primary.result = integer;
--
-- rule 1:
--  syntax:     primary ::= identifier
--  semantic:   primary.result = identifier;
--
--
-- rule 2:
--  syntax:     primary ::= '('value')'
--  semantic:   primary.result = value.result
--
-- rule 3:
--  syntax:     primary ::= bloc
--  semantic:   primary.result = bloc.result

with Lex;
with Object;
package Primary is
    type Node is private;
    Empty_Node : constant Node;

    procedure Parse (N : in out Node; Error : out Boolean);
    procedure Unparse (N : in out Node);
    function Is_First (T : Lex.Token) return Boolean;
    function Interpret (N : Node;
                        Inherited : Object.Reference := Object.Void_Reference)
                       return Object.Reference;

private
    type Node_Structure;
    type Node is access Node_Structure;
    Empty_Node : constant Node := null;
end Primary;

E3 Meta Data

    nblk1=2
    nid=0
    hdr6=4
        [0x00] rec0=25 rec1=00 rec2=01 rec3=012
        [0x01] rec0=02 rec1=00 rec2=02 rec3=001
    tail 0x21531f94c84e8746084a0 0x42a00088462060003