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Rational R1000/400

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artifacts from Datamuseum.dk's BitArchive.

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⟦852ba51b3⟧ Ada Source

    Length: 3072 (0xc00)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, package Expression, seg_032655

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:
--  syntax:   <expression> ::= <value>
--  sementic:  expression.result = value.result
-- rule 1:
--  syntax:   <expression> ::= pour identifier prendre <value>
--  sementic: expression.result = value.result
--            symbols = (identifier, value.result)


with Scanner;
with Object;
with Symbols;

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

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

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

E3 Meta Data

    nblk1=2
    nid=2
    hdr6=2
        [0x00] rec0=22 rec1=00 rec2=01 rec3=000
        [0x01] rec0=04 rec1=00 rec2=02 rec3=001
    tail 0x2172d7af684c5937d5adb 0x42a00088462060003
Free Block Chain:
  0x2: 0000  00 00 00 03 00 00 00 64 65 20 3a 20 63 6f 6e 73  ┆       de : cons┆