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Performs the following renamings:
* scala.reflect.macros.BlackboxContext to scala.reflect.macros.blackbox.Context
* scala.reflect.macros.BlackboxMacro to scala.reflect.macros.blackbox.Macro
* scala.reflect.macros.WhiteboxContext to scala.reflect.macros.whitebox.Context
* scala.reflect.macros.WhiteboxMacro to scala.reflect.macros.whitebox.Macro
https://groups.google.com/forum/#!topic/scala-internals/MX40-dM28rk
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This is the first commit in the series. This commit only:
1) Splits Context into BlackboxContext and WhiteboxContext
2) Splits Macro into BlackboxMacro and WhiteboxMacro
3) Introduces the isBundle property in the macro impl binding
Here we just teach the compiler that macros can now be blackbox and whitebox,
without actually imposing any restrictions on blackbox macros. These
restrictions will come in subsequent commits.
For description and documentation of the blackbox/whitebox separation
see the official macro guide at the scaladoc website:
http://docs.scala-lang.org/overviews/macros/blackbox-whitebox.html
Some infrastructure work to make evolving macros easier:
compile partest-extras with quick so they can use latest library/reflect/...
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Removes the stubs left out to appease the old starr, fixes macro tests.
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Currently there are discrepancies between the behavior of
c.reify and c.universe.reify.
First step in fixing these problems is removing the duplication in the API.
That's why I'm cutting away the Context.reify shortcut.
Context.reify is a magic macro, hardwired in the fast track mechanism, so
removing it requires redeploying the starr (because an old starr will
crash if launched on sources that don't contain Context.reify).
To cleanly redeploy a starr I've left a Context.reify stub in sources,
but hidden it behind a `protected` modifier. When starr is redeployed
(in a subsequent commit) the stub will be removed.
I've also updated the tests to use c.universe.reify instead of c.reify.
This will break some of them, because c.universe.reify uses a standard
compiler mirror, which unlike a macro mirror doesn't like packageless classes.
That's an annoyance, but I think having clean separation of commits
is more important that being 100% consistent.
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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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