100 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			100 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
## test class instantiation methods
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fun UndefinedObject: ~= (oprnd) { return (nqv? self oprnd) } ## for if (a ~= nil) ...
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fun Number: + (oprnd) { return (+ self oprnd) }
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fun Number: - (oprnd) { return (- self oprnd) }
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fun Number: * (oprnd) { return (* self oprnd) }
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fun Number: / (oprnd) { return (/ self oprnd) }
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fun Number: > (oprnd) { return (> self oprnd) }
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fun Number: < (oprnd) { return (< self oprnd) }
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fun Number: >= (oprnd) { return (>= self oprnd) }
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fun Number: <= (oprnd) { return (<= self oprnd) }
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fun Number: == (oprnd) { return (== self oprnd) }
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fun Number: ~= (oprnd) { return (~= self oprnd) }
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class A {
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	var a b c
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	fun[#ci] newInstance(x y z) {
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		set a x;
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		set b y;
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		set c z;
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		return self;
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	};
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	fun get-a() { return self.a; };
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	fun get-b() { return self.b; };
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	fun get-c() { return self.c; };
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};
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class B: A {
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	var d e f
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	fun[#ci] newInstance(x y z) {
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		super:newInstance (* x 2) (* y 2) (* z 2);
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		set d x;
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		set e y;
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		set f z;
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		return self;
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	};
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	fun[#c] getSuper() { return super; };
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	###fun[#c] getSuperclass() { return (self:superclass); };
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	fun[#c] getSelf() { return self; };
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	fun sum() {
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		return (+ (super:get-a) (super:get-b) (super:get-c) self.d self.e self.f);
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	};
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};
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a := ((B:newInstance 1 2 3):sum)
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if (a ~= 18) { printf "ERROR: a must be 18\n"; } \
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else { printf "OK %d\n" a; }
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b := (B:newInstance 2 3 4)
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a := (b:get-a)
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if (a ~= 4) {printf "ERROR: a must be 4\n" } \
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else { printf "OK %d\n" a }
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c := (object-new A)
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a := (c:get-a)
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if (a ~= nil) {printf "ERROR: a must be nil\n" } \
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else { printf "OK %O\n" a }
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a := (b:get-b);
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if (a ~= 6) { printf "ERROR: a must be 6\n" } \
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else { printf "OK %d\n" a };
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a := (b:get-c);
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if (a ~= 8) { printf "ERROR: a must be 8\n" } \
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else {printf "OK %d\n" a };
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a := (b:sum);
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if (a ~= 27) { printf "ERROR: a must be 27\n" } \
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else { printf "OK %d\n" a };
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## super is equivalent to self unless a message is sent to it.
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## if super itself is returned without a message, it just return
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## the receiver just like self. To get the superclass, it must use
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## the superclass method inherited from the Class class.
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b := (B:getSelf)
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a := (B:getSuper)
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##c := (B:getSuperlcass)
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if (nqv? a b) { printf "ERROR: a is not equivalent to b\n" } \
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else { printf "OK a is equivalent to b\n" };
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##if (eqv? a c) { printf "ERROR: a is equivalent to b\n" } \
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##else { printf "OK a is not equivalent to b\n" };
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if (nqv? a B) { printf "ERROR: a is not equivalent to B\n" } \
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else { printf "OK a is equivalent to A\n" };
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if (nqv? b B) { printf "ERROR: b is not equivalent to B\n" } \
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else { printf "OK b is equivalent to B\n" };
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##if (nqv? c A) { printf "ERROR: c is not equivalent to A\n" } \
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##else { printf "OK c is equivalent to A\n" };
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