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author | Paul Phillips <paulp@improving.org> | 2013-04-09 17:48:40 -0700 |
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committer | Paul Phillips <paulp@improving.org> | 2013-04-09 18:17:26 -0700 |
commit | 4e2459e3de5a1265d5bf071fc1029c6c022336c3 (patch) | |
tree | 04fc278609f05ce015a0f361eb3be0c6e37f9518 /test/files | |
parent | 53b0180b4659790b52777563ae4b8c3a3a60ce75 (diff) | |
download | scala-4e2459e3de5a1265d5bf071fc1029c6c022336c3.tar.gz scala-4e2459e3de5a1265d5bf071fc1029c6c022336c3.tar.bz2 scala-4e2459e3de5a1265d5bf071fc1029c6c022336c3.zip |
Reifier -> AST Node test.
It's a Node-by-Node tour of the reifier's abilities and
occasional foibles.
That is one spectacularly attractive checkfile.
Diffstat (limited to 'test/files')
-rw-r--r-- | test/files/run/reify-each-node-type.check | 35 | ||||
-rw-r--r-- | test/files/run/reify-each-node-type.scala | 108 |
2 files changed, 143 insertions, 0 deletions
diff --git a/test/files/run/reify-each-node-type.check b/test/files/run/reify-each-node-type.check new file mode 100644 index 0000000000..af6fd13a7b --- /dev/null +++ b/test/files/run/reify-each-node-type.check @@ -0,0 +1,35 @@ + 1 s Ident + 2 r.List Select + 3 r.List.apply() Apply + 4 r.List.apply(1) Literal + 5 r.List.apply[Int]() TypeApply + 6 (1: Int) Typed + 7 (null: r.List[Int]) AppliedTypeTree + 8 { (); () } Block + 9 { val x: Int = 0; () } ValDef +10 { val x = 0; () } TypeTree +11 if (true) () else () If +12 { def f: Unit = (); () } DefDef +13 { def m = NN.super.q; () } Super +14 { abstract trait A extends AnyRef; () } ClassDef Template +15 { def f(x: Any): Unit = (); () } EmptyTree +16 (null: r.D with r.E) CompoundTypeTree +17 { type T = Int; () } TypeDef +18 { type CC[T >: Nothing <: r.D] = r.C[T]; () } TypeBoundsTree +19 try { 0 } finally Predef.println("") Try +20 ((x: Int) => x) Function +21 { var v = 1; v = 2 } Assign +22 { class A extends AnyRef { def <init>() = { super.<init>(); This +23 new r.List[Int]() New +24 0: @unchecked Annotated +25 (null: r.Outer#Inner) SelectFromTypeTree +26 (null: Nil.type) SingletonTypeTree +27 (null: T forSome { type T >: Nothing <: Any }) ExistentialTypeTree +28 { import r.{A, B=>C}; () } Import +29 { def f: Int = return 0; () } Return +30 { object x extends AnyRef { def <init>() = { super.<init>(); ModuleDef +31 throw new Exception() Throw +32 0 match { case _ => 0 } Match CaseDef +33 0 match { case (1| 2) => 0 } Alternative +34 NN.q match { case (x @ r.List) => 0 } Bind +35 NN.q match { case r.UnSeq(1, (_)*) => 0 } Star diff --git a/test/files/run/reify-each-node-type.scala b/test/files/run/reify-each-node-type.scala new file mode 100644 index 0000000000..a827da766d --- /dev/null +++ b/test/files/run/reify-each-node-type.scala @@ -0,0 +1,108 @@ +import scala.reflect.runtime.universe._ + +object r { + class A + class B + class List[+A] + object List { def apply[A](xs: A*): List[A] = new List[A] } + object Nil extends List[Nothing] + + trait OuterP[A] { + trait Inner + trait InnerP[B] + } + trait Outer { + trait Inner + trait InnerP[B] + } + object Un { def unapply(x: Any) = Some(5) } + object UnSeq { def unapplySeq(x: Any) = Some(Seq(5)) } + class C[T] + class D + trait E + + trait SN { + def q: Any = null + } +} + +object s { + import r._ + + trait NN extends SN { + def act[T](expr: Expr[T]): Unit + + act(reify { s /* Ident */ }) + act(reify { r.List /* Select */ }) + act(reify { List() /* Apply */ }) + act(reify { List(1) /* Literal */ }) + act(reify { List[Int]() /* TypeApply */ }) + act(reify { 1: Int /* Typed */ }) + act(reify { null: List[Int] /* AppliedTypeTree */ }) + act(reify { () ; () /* Block */ }) + act(reify { val x: Int = 0 /* ValDef */ }) + act(reify { val x = 0 /* TypeTree */ }) + act(reify { if (true) () /* If */ }) + act(reify { def f { } /* DefDef */ }) + act(reify { def m = super.q /* Super */ }) + act(reify { trait A /* ClassDef Template */ }) + act(reify { def f(x: Any) { } /* EmptyTree */ }) + act(reify { null: D with E /* CompoundTypeTree */ }) + act(reify { type T = Int /* TypeDef */ }) + act(reify { type CC[T <: D] = C[T] /* TypeBoundsTree */ }) + act(reify { try 0 finally println("") /* Try */ }) + act(reify { (x: Int) => x /* Function */ }) + act(reify { var v = 1 ; v = 2 /* Assign */ }) + act(reify { class A() { def this(x: A) = this() } /* This */ }) + act(reify { new List[Int] /* New */ }) + act(reify { 0: @unchecked /* Annotated */ }) + act(reify { null: Outer#Inner /* SelectFromTypeTree */ }) + act(reify { null: Nil.type /* SingletonTypeTree */ }) + act(reify { null: (T forSome { type T }) /* ExistentialTypeTree */ }) + act(reify { import r.{ A, B => C }; /* Import */ }) + act(reify { def f: Int = return 0 /* Return */ }) + act(reify { object x /* ModuleDef */ }) + act(reify { throw new java.lang.Exception /* Throw */ }) + act(reify { 0 match { case _ => 0 } /* Match CaseDef */ }) + act(reify { 0 match { case 1 | 2 => 0 } /* Alternative */ }) + act(reify { q match { case x @ List => 0 } /* Bind */ }) + act(reify { q match { case UnSeq(1, _*) => 0 } /* Star */ }) + + // ``unexpected: bound type that doesn't have a tpe: Ident(newTypeName("Int"))'' + // act(reify { r.List[T forSome { type T <: Int }]() }) // Was crashing , no longer + // + // error: exception during macro expansion: + // scala.MatchError: collection.this.Seq.unapplySeq[A] (of class scala.reflect.internal.Trees$TypeApply) + // at scala.reflect.reify.phases.Reshape$$anon$1.extractExtractor$1(Reshape.scala:73) + // at scala.reflect.reify.phases.Reshape$$anon$1.transform(Reshape.scala:82) + // at scala.reflect.reify.phases.Reshape$$anon$1.transform(Reshape.scala:24) + // at scala.reflect.internal.Trees$class.itransform(Trees.scala:1290) + // + // act(reify { r.List[Any]() match { case Seq(1, _*) => 1 } } ) + + // act(reify { List[OuterP[Int]#InnerP[Byte]]() }) + // + // SI-7243 + // + // test/files/run/reify-each-node-type.scala:85: error: Cannot materialize r.List.apply[r.OuterP[Int]#InnerP[Byte]]() as { ... } because: + // scala.reflect.macros.TypecheckException: value TypeTreeWithDeferredRefCheck is not a member of type parameter U + // act(reify { List[OuterP[Int]#InnerP[Byte]]() }) + // ^ + // one error found + } +} + +object Test { + var idx = 0 + val seen = scala.collection.mutable.Set[String]() + + object N extends s.NN { + def act[T](expr: Expr[T]): Unit = { + idx += 1 + val ts = expr.tree filter (_ => true) map (_.getClass.getName split "[.$]" last) filterNot seen distinct; + println("%2d %60s %s".format(idx, expr.tree.toString.replaceAll("""\s+""", " ").take(60), ts mkString " ")) + seen ++= ts + } + } + def main(args: Array[String]): Unit = N +} |