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Smalltalk Development Environment Overview

Learn about the Smalltalk runtime architecture, development tools like Inspector and Debugger, version management, and code recovery methods. Experiment, learn, and browse with Smalltalk's powerful features. Be aggressive in exploring all the available code!

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Smalltalk Development Environment Overview

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Presentation Transcript

  1. The VisualWorks Environment

  2. Smalltalk Run-Time Architecture • Virtual Machine + Image + Changes and Sources • Image = bytecodes • Sources and changes = code (text)

  3. Runtime Architecture • The byte-code is in fact translated into native code by a just-in-time compiler. • The source and the changes are not necessary for interpreting the byte-code, this is just for the development. Normally they are removed for deployment. • An application can be delivered as some byte-code files that will be executed with a VM. The development image is stripped to remove the unnecessary development components.

  4. Mouse Semantics

  5. Launcher and Settings

  6. Browsing a class

  7. Browsing methods

  8. Inspector • To look inside objects • Violates encapsulation but extremely coooool!!! • anObject inspect

  9. Debugger?

  10. Debugger !!!

  11. ChangeList To recover from power failure!!

  12. File list

  13. SUnit

  14. Workspace: to edit snippet of code

  15. Store • Integrated version management • Check in / out • Back end postgres/oracle • Based on packages and bundles • no scope only deployment/source management concepts

  16. Published Items

  17. Package and Bundle: Versioning code

  18. Change your Mind • Everything you do is recorded !! • So try and learn how to recover your code • You are smart so • Experiment, • learn for you, browse, • be aggressive, ***all*** the code is there

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