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DataMuseum.dkPresents historical artifacts from the history of: Rational R1000/400 Tapes |
This is an automatic "excavation" of a thematic subset of
See our Wiki for more about Rational R1000/400 Tapes Excavated with: AutoArchaeologist - Free & Open Source Software. |
top - metrics - downloadIndex: T V
Length: 1002 (0x3ea)
Types: TextFile
Names: »V«
└─⟦a7d1ea751⟧ Bits:30000550 8mm tape, Rational 1000, !users!projects 94_04_11
└─⟦129cab021⟧ »DATA«
└─⟦this⟧
-- This package parses and interprets the following rules:
--
-- rule 0:
-- syntax: <statements> ::= empty
-- sementic: statements.result = statements.inherited; default: object.void_reference
-- rule 1:
-- syntax: <statements> ::= <expression> <more_statements>
-- sementic: statements.result = more_statements.result
-- more_statements.inherited = expression.result
-- rule 2:
-- syntax: <statements> ::= renvoyer <expression>
-- sementic: statements.result = expression.result
with Scanner;
with Object;
package Statements is
type Node is private;
Empty_Node : constant Node;
procedure Parse (N : in out Node);
function Is_First (T : Scanner.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 Statements;