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author | Samuel Gruetter <samuel.gruetter@epfl.ch> | 2014-03-12 22:44:33 +0100 |
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committer | Samuel Gruetter <samuel.gruetter@epfl.ch> | 2014-03-12 22:44:33 +0100 |
commit | 9ef5f6817688f814a3450126aa7383b0928e80a0 (patch) | |
tree | 5727a2f7f7fd665cefdb312af2785c692f04377c /tests/untried/neg/macro-incompatible-macro-engine-b/Plugin_1.scala | |
parent | 194be919664447631ba55446eb4874979c908d27 (diff) | |
download | dotty-9ef5f6817688f814a3450126aa7383b0928e80a0.tar.gz dotty-9ef5f6817688f814a3450126aa7383b0928e80a0.tar.bz2 dotty-9ef5f6817688f814a3450126aa7383b0928e80a0.zip |
add tests from scala/test/files/{pos,neg}
with explicit Unit return type
Diffstat (limited to 'tests/untried/neg/macro-incompatible-macro-engine-b/Plugin_1.scala')
-rw-r--r-- | tests/untried/neg/macro-incompatible-macro-engine-b/Plugin_1.scala | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/untried/neg/macro-incompatible-macro-engine-b/Plugin_1.scala b/tests/untried/neg/macro-incompatible-macro-engine-b/Plugin_1.scala new file mode 100644 index 000000000..8e727dae6 --- /dev/null +++ b/tests/untried/neg/macro-incompatible-macro-engine-b/Plugin_1.scala @@ -0,0 +1,35 @@ +package incompatibleMacroEngine + +import scala.tools.nsc.Global +import scala.tools.nsc.plugins.{Plugin => NscPlugin} + +class Plugin(val global: Global) extends NscPlugin { + import global._ + import analyzer._ + + val name = "incompatibleMacroEngine" + val description = "A sample analyzer plugin that crafts a macro impl binding with a non-standard macro engine." + val components = Nil + addMacroPlugin(MacroPlugin) + + object MacroPlugin extends MacroPlugin { + def fixupBinding(tree: Tree) = new Transformer { + override def transform(tree: Tree) = { + tree match { + case Literal(const @ Constant(x)) if tree.tpe == null => tree setType ConstantType(const) + case _ if tree.tpe == null => tree setType NoType + case _ => ; + } + super.transform(tree) + } + }.transform(tree) + + override def pluginsTypedMacroBody(typer: Typer, ddef: DefDef): Option[Tree] = { + val result = standardTypedMacroBody(typer, ddef) + val List(AnnotationInfo(atp, List(Apply(nucleus, _ :: others)), Nil)) = ddef.symbol.annotations + val updatedBinding = Apply(nucleus, Assign(Literal(Constant("macroEngine")), Literal(Constant("vxxx (implemented in the incompatibleMacroEngine plugin)"))) :: others) + ddef.symbol.setAnnotations(List(AnnotationInfo(atp, List(fixupBinding(updatedBinding)), Nil))) + Some(result) + } + } +} |