Ambient-Oriented Programming

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at:tutorial:reflection [2010/11/16 15:59]
tvcutsem fixed 		at:tutorial:reflection [2010/11/16 16:32] (current)
tvcutsem
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 The reflective model of AmbientTalk is based on [[http://bracha.org/mirrors.pdf|mirrors]], meta-level objects which allow one to reflect on an object's state and behaviour. How to create such mirrors and how they can be used is demonstrated in the first part of the tutorial. The second part of the tutorial showcases how to construct mirages, objects which override the default meta-level operations with custom behaviour. This tutorial concludes with a brief overview of the meta-level operations which are offered by AmbientTalk mirrors. The reflective model of AmbientTalk is based on [[http://bracha.org/mirrors.pdf|mirrors]], meta-level objects which allow one to reflect on an object's state and behaviour. How to create such mirrors and how they can be used is demonstrated in the first part of the tutorial. The second part of the tutorial showcases how to construct mirages, objects which override the default meta-level operations with custom behaviour. This tutorial concludes with a brief overview of the meta-level operations which are offered by AmbientTalk mirrors.
 +
  
 ===== Mirrors ===== ===== Mirrors =====
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 > def x :=mirrorOnP.grabSlot(`x) > def x :=mirrorOnP.grabSlot(`x)
 >> <accessor method for:x> >> <accessor method for:x>
-> x() 
->> 2 
 // and we can also invoke methods reflectively: // and we can also invoke methods reflectively:
 > mirrorOnP.invoke(p, lobby.at.lang.values.createInvocation(`distanceToOrigin,[],[])); > mirrorOnP.invoke(p, lobby.at.lang.values.createInvocation(`distanceToOrigin,[],[]));
at/tutorial/reflection.txt ยท Last modified: 2010/11/16 16:32 by tvcutsem

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