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The VisualWorks Environment

The VisualWorks Environment. Smalltalk Run-Time Architecture. Virtual Machine + Image + Changes and Sources Image = bytecodes Sources and changes = code (text). Runtime Architecture. The byte-code is in fact translated into native code by a just-in-time compiler.

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The VisualWorks Environment

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  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

  6. Browsing a class

  7. Browsing methods

  8. Inspector • To look inside objects • anObject inspect

  9. Debugger!!!

  10. ChangeList To recover from power failure!!

  11. SUnit: TestRunner open

  12. Tests...

  13. Workspace: to edit code snippet

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

  15. Published Items

  16. Package: Versioning Code

  17. 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, • all the code is there

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