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Virtual Machine message processing

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bruno.buzzi edited this page Oct 22, 2018 · 7 revisions

Each UML Class has a collection of implementations to perform some behavior. Each Implementation is a/an (Abstract Syntax) Tree of Nodes. Each time a source of a implementation is compiled a Tree of Nodes is created for the Implementation.

When a message is sent to anObject then the Virtual Machine:

  1. Fetch the Implementation to execute.
  2. Apply/Execute the Implementation of the receiver object [anObject].
    2.1. An Execution Snapshot is created as a Context and all nodes of the implementation are processed.
    2.2. Some nodes (messages sent) will take this process to step 1) again.

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