S.Ducasse Stéphane Ducasse 1 The VisualWorks Environment.

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Presentation transcript:

S.Ducasse Stéphane Ducasse 1 The VisualWorks Environment

S.Ducasse License: CC-Attribution-ShareAlike

S.Ducasse 3 Smalltalk Run-Time Architecture Virtual Machine + Image + Changes and Sources Image = bytecodes Sources and changes = code (text)

S.Ducasse 4 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 bytecode files that will be executed with a VM. The development image is stripped to remove the unnecessary development components.

S.Ducasse 5 Mouse Semantics

S.Ducasse 6 Launcher

S.Ducasse 7 Browsing a class

S.Ducasse 8 Browsing methods

S.Ducasse 9 Inspector To look inside objects anObject inspect

S.Ducasse 10 Debugger!!!

S.Ducasse 11 ChangeList To recover from power failure!!

S.Ducasse 12 SUnit: TestRunner open

S.Ducasse 13 Tests...

S.Ducasse 14 Workspace: to edit code snippet

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

S.Ducasse 16 Published Items

S.Ducasse 17 Package: Versioning Code

S.Ducasse 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, – all the code is there