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author | Eugene Burmako <xeno.by@gmail.com> | 2014-02-01 00:13:53 +0100 |
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committer | Eugene Burmako <xeno.by@gmail.com> | 2014-02-14 23:51:24 +0100 |
commit | 8c29132055845181a34ed9077d30fac87c284574 (patch) | |
tree | 29c5bb2ca8be67e324ee3e0f9d78bc62bf00d8b3 /src/eclipse | |
parent | 73adf2d9de441e151a117a5b33ae707ad79a9f36 (diff) | |
download | scala-8c29132055845181a34ed9077d30fac87c284574.tar.gz scala-8c29132055845181a34ed9077d30fac87c284574.tar.bz2 scala-8c29132055845181a34ed9077d30fac87c284574.zip |
adds internal.typingTransform
As per Jason’s request, this commit introduces a facility to perform
tree transformations that know how to track current lexical context
and how to typecheck trees in that lexical context.
Interestingly enough, we can’t get away with the traditional “subclass the
Transformer” approach, because the required base transformer class is
declared in scala-compiler.jar, and our API is defined in scala-reflect.jar.
This forced me to play with an idea that we’ve discussed with Denys today
(actually, it’s already yesterday) - lightweight transformers that take
contextful HOFs. This commit is a sketch in that direction. Turning
`transform` and `typingTransform` into macros would make the API more
elegant (see the comments), but I didn’t have time to experiment.
I’m running short on time, so I haven’t had a chance to actually test this API,
but I’m still submitting the pull request to ignite a discussion.
Diffstat (limited to 'src/eclipse')
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