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| author | Eugene Burmako <xeno.by@gmail.com> | 2014-07-03 17:02:34 +0200 |
|---|---|---|
| committer | Eugene Burmako <xeno.by@gmail.com> | 2014-07-03 18:50:15 +0200 |
| commit | 36379cf8af8e0bb92f7a399fe2c8e1cb05b31fc9 (patch) | |
| tree | f2a55323e644be25c68b04b76ffb8a862773476e /test | |
| parent | 300db2a1e3eefc2a6ed379c870bc7da42a26e69a (diff) | |
| download | scala-36379cf8af8e0bb92f7a399fe2c8e1cb05b31fc9.tar.gz scala-36379cf8af8e0bb92f7a399fe2c8e1cb05b31fc9.tar.bz2 scala-36379cf8af8e0bb92f7a399fe2c8e1cb05b31fc9.zip | |
[backport] transformers no longer ignore UnApply.fun
Backports 7122560063 and 4133eb8454 from the 2.11.x branch
Diffstat (limited to 'test')
| -rw-r--r-- | test/files/run/t7871.check | 1 | ||||
| -rw-r--r-- | test/files/run/t7871/Macros_1.scala | 43 | ||||
| -rw-r--r-- | test/files/run/t7871/Test_2.scala | 6 |
3 files changed, 50 insertions, 0 deletions
diff --git a/test/files/run/t7871.check b/test/files/run/t7871.check new file mode 100644 index 0000000000..ce6efd812d --- /dev/null +++ b/test/files/run/t7871.check @@ -0,0 +1 @@ +(SomeTree,SomeTree) diff --git a/test/files/run/t7871/Macros_1.scala b/test/files/run/t7871/Macros_1.scala new file mode 100644 index 0000000000..2943445ff8 --- /dev/null +++ b/test/files/run/t7871/Macros_1.scala @@ -0,0 +1,43 @@ +import scala.reflect.macros.Context +import scala.language.experimental.macros + +trait Tree +case object SomeTree extends Tree + +object NewQuasiquotes { + implicit class QuasiquoteInterpolation(c: StringContext) { + object nq { + def unapply(t: Tree): Any = macro QuasiquoteMacros.unapplyImpl + } + } +} + +object QuasiquoteMacros { + def unapplyImpl(c: Context)(t: c.Expr[Tree]) = { + import c.universe._ + import Flag._ + // q""" + // new { + // def unapply(t: Tree) = t match { + // case SomeTree => Some((SomeTree, SomeTree)) + // case _ => None + // } + // }.unapply($t) + // """ + c.Expr[Any](Apply( + Select( + Block(List( + ClassDef(Modifiers(FINAL), newTypeName("$anon"), List(), + Template(List(Select(Ident(newTermName("scala")), newTypeName("AnyRef"))), emptyValDef, List( + DefDef(Modifiers(), nme.CONSTRUCTOR, List(), List(List()), TypeTree(), + Block(List(Apply(Select(Super(This(tpnme.EMPTY), tpnme.EMPTY), nme.CONSTRUCTOR), List())), Literal(Constant(())))), + DefDef(Modifiers(), newTermName("unapply"), List(), List(List(ValDef(Modifiers(PARAM), newTermName("t"), Ident(newTypeName("Tree")), EmptyTree))), TypeTree(), + Match( + Ident(newTermName("t")), List( + CaseDef(Ident(newTermName("SomeTree")), EmptyTree, Apply(Ident(newTermName("Some")), List(Apply(Select(Ident(newTermName("scala")), newTermName("Tuple2")), List(Ident(newTermName("SomeTree")), Ident(newTermName("SomeTree"))))))), + CaseDef(Ident(nme.WILDCARD), EmptyTree, Ident(newTermName("None")))))))))), + Apply(Select(New(Ident(newTypeName("$anon"))), nme.CONSTRUCTOR), List())), + newTermName("unapply")), + List(t.tree))) + } +} diff --git a/test/files/run/t7871/Test_2.scala b/test/files/run/t7871/Test_2.scala new file mode 100644 index 0000000000..3a0b68b568 --- /dev/null +++ b/test/files/run/t7871/Test_2.scala @@ -0,0 +1,6 @@ +object Test extends App { + import NewQuasiquotes._ + SomeTree match { + case nq"$x + $y" => println((x, y)) + } +} |