[Pharo-dev] [IMPORTANT] Following changes in the bootstrapping process

Pavel Krivanek pavel.krivanek at gmail.com
Tue Aug 1 07:28:04 EDT 2017


The main credits go to Guille and Pablo. My role in this was very tiny.

-- Pavel

2017-08-01 12:35 GMT+02:00 Stephane Ducasse <stepharo.self at gmail.com>:

> Hi Pavel
>
> This is super excellent! IMPRESSIVE. An image without the compiler and
> a reloadable compiler.
> Super cool.
>
> Stef
>
>
> On Tue, Aug 1, 2017 at 11:57 AM, Pavel Krivanek
> <pavel.krivanek at gmail.com> wrote:
> > Hello,
> >
> > we are checking a huge pull request #177
> > (https://github.com/pharo-project/pharo/pull/177) that will change some
> > basics of the bootstrap process:
> >
> > Now we will bootstrap a smaller image that will not include
> compiler/parser.
> > Compiler and related packages are exported and loaded using a binary
> > exporter named Hermes.
> > The compiler is then used to load FileSystem and Monticello. The rest of
> the
> > bootstrap process will be the same as before.
> > As the result we will have faster bootstrap and better system
> modularization
> > and possibilities.
> >
> > It required some modularization efforts:
> >
> > - simplified initialization scripts
> > - Use Zinc converters and encoders instead of FilePathEncoder and old
> > TextConverter
> > - Use Stdio instead of FileStream
> > - Using File instead of FileSystem
> > - Deprecated FileStream & childs (Moved to Deprecated70)
> > - Extracted Path classes to their on package: FileSystem-Path
> > - Moved OpalEncoders to their own package. They are required by the
> runtime
> > (not only for compilation)
> > - Introduced AsciiCharset in the kernel to answer to #isLetter
> #isUppercase
> > and so on without requiring full Unicode tables from the beginning
> > - Cleaning up a bit the full exception logging infrastructure (streams,
> > transcript, files, stack printing...)
> > - Split Ring methods required for system navigation to the
> Ring-Navigation
> > package
> > - Remove usages of #translated in the kernel
> > - Refactored the bootstrapping classes to remove duplications
> > - Cleaning up dependencies in CompiledMethod>>printOn:
> > - fix path printing
> >
> > We need to merge these changes at once and of course it can cause some
> > conflicts with the existing pull requests or external code. Anyway, we
> need
> > to merge it as soon as possible.
> >
> > So please, try to look at the PR and test the resultant image [1] to
> avoid
> > some major problems.
> >
> > [1]
> > https://ci.inria.fr/pharo/view/7.0/job/70-PR-Check-Load/
> lastSuccessfulBuild/artifact/bootstrap-cache/Pharo7.0-32bit-9c0691d.zip
> >
> > Cheers,
> > -- Pavel
> >
>
>
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