37 lines
739 B
JavaScript
37 lines
739 B
JavaScript
/**
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* Provides a nicer syntax for defining classes,
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* with support for OO-style inheritance.
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*/
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function Class(data)
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{
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var ctor;
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if (data._init)
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ctor = data._init;
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else
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ctor = function() { };
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if (data._super)
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{
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ctor.prototype = { "__proto__": data._super.prototype };
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}
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for (var key in data)
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{
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ctor.prototype[key] = data[key];
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}
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return ctor;
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}
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/* Test inheritance:
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var A = Class({foo:1, bar:10});
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print((new A).foo+" "+(new A).bar+"\n");
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var B = Class({foo:2, bar:20});
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print((new A).foo+" "+(new A).bar+"\n");
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print((new B).foo+" "+(new B).bar+"\n");
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var C = Class({_super:A, foo:3});
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print((new A).foo+" "+(new A).bar+"\n");
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print((new B).foo+" "+(new B).bar+"\n");
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print((new C).foo+" "+(new C).bar+"\n");
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//*/
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