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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⟦b6738252a⟧ Ada Source

    Length: 3072 (0xc00)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, package Value, seg_03820e

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



-- This package parses and interprets the following rules:
-- rule 0:
--           <value> ::= <binary>
--            value.result = binary.result
-- rule 1:
--           <value> ::= <binary> <more_value>
--            value.mess = more_value.mess
--            value.result = (binary.result <-- value.mess).result


with Scanner;
with Object;

package Value is
    type Node is private;
    Empty_Node : constant Node;

    procedure Parse (N : in out Node);
    procedure Unparse (N : Node);
    function Is_First (T : Scanner.Token) return Boolean;
    function Interpret (N : Node) return Object.Reference;

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

E3 Meta Data

    nblk1=2
    nid=2
    hdr6=2
        [0x00] rec0=1e rec1=00 rec2=01 rec3=000
        [0x01] rec0=04 rec1=00 rec2=02 rec3=001
    tail 0x21735bf7e84e67eb8b795 0x42a00088462060003
Free Block Chain:
  0x2: 0000  00 00 00 06 00 00 00 00 00 00 56 61 6c 75 65 3b  ┆          Value;┆