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this uncovers a bug in toolboxes: https://issues.scala-lang.org/browse/SI-6007
however that bug is not critical, so it will be dealt with later
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Implements SIP 16: Self-cleaning macros: http://bit.ly/wjjXTZ
Features:
* Macro defs
* Reification
* Type tags
* Manifests aliased to type tags
* Extended reflection API
* Several hundred tests
* 1111 changed files
Not yet implemented:
* Reification of refined types
* Expr.value splicing
* Named and default macro expansions
* Intricacies of interaction between macros and implicits
* Emission of debug information for macros (compliant with JSR-45)
Dedicated to Yuri Alekseyevich Gagarin
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Fewer deprecation warnings, prettier trees, prettier
symbols, more polished error messages.
Oh the interesting people you meet handling warnings, I
feel sorry for you all that I get to do it all the time.
One of the characters I met invited me into the "Dead Code
Society" and that's what I'm doing on Tuesdays now. No of
course you haven't, it's a SECRET society.
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And grueling recovery from branch drift.
Merges a portion (and only a portion) of topic/inline into master.
The major changes which come with this merge are:
AnyVal is unsealed, can be extended directly.
ScalaObject is no longer with us.
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Annotations are now supported by the reifier:
* AnnotationInfos from symbols get transformed back into mods.
* AnnotatedTypes are retained and are reified along with AnnotationInfos.
Reification is no magic, and reification of annotations especially:
* Annotations cannot refer to symbols defined inside the quasiquote.
This restriction is due to the fact that we need to erase locally defined
symbols before reifying to make subsequent reflective compilations succeed.
However, while doing that, we also need to make sure that we don't make
resulting ASTs non-compilable by removing essential information.
This is tricky, and it more or less works for TypeTrees, but
not for annotations that can contain arbitrary ASTs.
For more details look into the comments to Reifiers.scala.
* Classfile annotations that contain array arguments and are applied to types,
i.e. the ones that generate AnnotatedTypes, cannot be reified.
This is because of limitations of manifest infrastructure.
Typechecking "Array(mirror.LiteralAnnotArg(...))" would require the compiler
to produce a manifest for a path-dependent type, which cannot be done now.
Review by @odersky.
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