Great news! I tried it on fresh 1.4 and I got: SmalltalkImage(Object)>>doesNotUnderstand: #shutDownImage: HzImageWriter>>writeImage:
Do you plan to create a loader too? To be able to load objects from different image file. -- Pavel On Thu, Apr 26, 2012 at 1:00 PM, Guillermo Polito <[email protected]> wrote: > First public push of the first step of the hazelnut GSoC project :) > > In a nutshell > > For those who didn't know SystemTracer (the father): > It is a tool that traces a graph of objects and writes an image from it. > > ImageWriter is a refactored, renamed and repackaged version of SystemTracer2 > with the following changes: > - The image format can be provided as a parameter. > - You have to provide an SmalltalkImage object as root to write the image > (so in the future we can write bootstrap with this). > - The object format was reified in objects. So the code is easier to > understand + change, and people can learn how are our objects in memory > easily :D. > > Right now, only 32 bit image format is supported. > > Structure > > - ImageWriter-Core has the image formats and the image writer in itself > - ImageWriter-ObjectFormats contains objects that represent the memory > layout of the objects and it's headers. > - ImageWriter-Tests has some tests. > > Tests done > > - Only tested in Pharo-1.4 > - There are specific tests written for the size and headers of the objects > - Also, I've written a Pharo-1.4 image and then run the tests in the copied > image. Only one failure compared to the original :) > > Known Bugs :) > > - WeakRegistryTest>>#testFinalizationWithOnFork is failing, and when I run > it manually it works :/. In the image I use to write, it does not happen, > only in the clone. > - When opening the new image, the window is too small. It is not > respecting the original image size. Don't know yet what is the problem. > > How To Download > > Gofer it > squeaksource3: 'ImageWriter'; > package: 'ImageWriter-Core'; > package: 'ImageWriter-ObjectFormats'; > package: 'ImageWriter-Tests'; > load > > How to Use it > > HzImageWriter new > format: HzCogImageFormat new; "or HzInterpreterImageFormat new" > imageFileName: 'someFile.image'; > onInitializeDo: [ "Some initialization?" ]; "this is optional, > probably the same as an startup script, probably nonsense" > writeImage: Smalltalk "Yes, we provide the our lovely global Smalltak, > but any SmalltalkImage instance could be" > > Next steps on this direction > > - support to write an isolated image different from the host one (I'll know > what I need later, hehe) > - class comments! > - metacello configuration > - better api :) > > Links > > http://ss3.gemstone.com/ss/ImageWriter.html > > > Cheers, > Guille
