Meta-­‐tooling  

Andrei  Chiş  SCG,  University  of  Bern  

Tools  should  mold  to  the    seman>cs  of  an  applica>on    

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Debugging  announcements  

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anAnnouncer

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anAnnouncer

aSubscriberaSubscriber aSubscriber

Register for announcements

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anAnnouncer

aSubscriberaSubscriber aSubscriber

Register for announcements

anEmitter

Emit an announcement

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anAnnouncer

aSubscriberaSubscriber aSubscriber

Register for announcements

anEmitter

Emit an announcement

Deliver the announcement

contextual  problems    require  

contextual  solu>ons  

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Stack  

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Ac>ons  

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Editor  

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Inspectors  

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EmiRer  

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Announcer  

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Subscriber  

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A  Moldable  Debugger  

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≈  250  +  300  LOC  

Tools  should  mold.  

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Meta-­‐tooling  

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