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Index: T V

⟦fad87a665⟧ TextFile

    Length: 1537 (0x601)
    Types: TextFile
    Names: »V«

Derivation

└─⟦149519bd4⟧ Bits:30000546 8mm tape, Rational 1000, !projects 93-07-13
    └─⟦124ff5788⟧ »DATA« 
        └─⟦this⟧

TextFile

package System_Operators is

    type Operators is (
                       -- predicates

                       Is_Equal_Op,  
                       Is_Less_Op,  
                       Is_Less_Or_Equal_Op,  
                       Is_Greater_Op,  
                       Is_Greater_Or_Equal_Op,  
                       Is_Different_Op,  
                       Is_Any_Op,

                       -- arithmetic expressions

                       '+',  
                       '-',  
                       '*',  
                       '/',  
                       Abs_Op);

    for Operators use (Is_Equal_Op            => 1,
                       Is_Less_Op             => 2,
                       Is_Less_Or_Equal_Op    => 3,
                       Is_Greater_Op          => 4,
                       Is_Greater_Or_Equal_Op => 5,
                       Is_Different_Op        => 6,
                       Is_Any_Op              => 7,
                       '+'                    => 8,
                       '-'                    => 9,
                       '*'                    => 10,
                       '/'                    => 11,
                       Abs_Op                 => 12);

    function Match (Using_Operator : Operators;
                    Value          : Integer;
                    Against        : Integer) return Boolean;

    function Evaluate (Using_Operator : Operators; Left, Right : Integer)
                      return Integer;

    Illegal_Operation : exception;

end System_Operators;