File: IntegerExpr.i3 Last Modified On Tue Aug 25 14:21:07 PDT 1992 By kalsow

INTERFACE IntegerExpr;

IMPORT Type, Expr, Target;

PROCEDURE New  (type: Type.T;  READONLY value: Target.Int): Expr.T;

PROCEDURE Split (e: Expr.T;  VAR v: Target.Int;  VAR t: Type.T): BOOLEAN;

PROCEDURE Compare  (a, b: Expr.T;  VAR sign: INTEGER): BOOLEAN;
PROCEDURE Add      (a, b: Expr.T;  VAR c: Expr.T): BOOLEAN;
PROCEDURE Subtract (a, b: Expr.T;  VAR c: Expr.T): BOOLEAN;
PROCEDURE Multiply (a, b: Expr.T;  VAR c: Expr.T): BOOLEAN;
PROCEDURE Div      (a, b: Expr.T;  VAR c: Expr.T): BOOLEAN;
PROCEDURE Mod      (a, b: Expr.T;  VAR c: Expr.T): BOOLEAN;
PROCEDURE Negate   (a: Expr.T;     VAR c: Expr.T): BOOLEAN;
PROCEDURE Abs      (a: Expr.T;     VAR c: Expr.T): BOOLEAN;
PROCEDURE ToInt    (a: Expr.T;     VAR i: INTEGER): BOOLEAN;

END IntegerExpr.