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    Length: 882 (0x372)
    Types: TextFile
    Names: »V«

└─⟦2f6cfab89⟧ Bits:30000547 8mm tape, Rational 1000, !projects 94-01-04
    └─⟦d65440be7⟧ »DATA« 
        └─⟦this⟧ 

TextFile

-- 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
--
-- rule 4:
--  syntax      primary ::= string
--  semantic:   primary.result = string

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

    procedure Parse (N : in out Node; Error : out Boolean);
    function Interpret (N : Node) return Object.Reference;

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