diff options
Diffstat (limited to 'test/files/run')
31 files changed, 369 insertions, 0 deletions
diff --git a/test/files/run/macro-vampire-false-warning.check b/test/files/run/macro-vampire-false-warning.check new file mode 100644 index 0000000000..4792e70f33 --- /dev/null +++ b/test/files/run/macro-vampire-false-warning.check @@ -0,0 +1,2 @@ +2 +3 diff --git a/test/files/run/macro-vampire-false-warning.flags b/test/files/run/macro-vampire-false-warning.flags new file mode 100644 index 0000000000..e8fb65d50c --- /dev/null +++ b/test/files/run/macro-vampire-false-warning.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/test/files/run/macro-vampire-false-warning/Macros_1.scala b/test/files/run/macro-vampire-false-warning/Macros_1.scala new file mode 100644 index 0000000000..a1c40a5510 --- /dev/null +++ b/test/files/run/macro-vampire-false-warning/Macros_1.scala @@ -0,0 +1,52 @@ +// As per http://meta.plasm.us/posts/2013/08/31/feeding-our-vampires/ + +import scala.annotation.StaticAnnotation +import scala.reflect.macros.Context +import scala.language.experimental.macros + +class body(tree: Any) extends StaticAnnotation + +object Macros { + def selFieldImpl(c: Context) = { + import c.universe._ + val field = c.macroApplication.symbol + val bodyAnn = field.annotations.filter(_.tpe <:< typeOf[body]).head + c.Expr[Any](bodyAnn.scalaArgs.head) + } + + def mkObjectImpl(c: Context)(xs: c.Expr[Any]*) = { + import c.universe._ + import Flag._ + // val kvps = xs.toList map { case q"${_}(${Literal(Constant(name: String))}).->[${_}]($value)" => name -> value } + val kvps = xs.map(_.tree).toList map { case Apply(TypeApply(Select(Apply(_, List(Literal(Constant(name: String)))), _), _), List(value)) => name -> value } + // val fields = kvps map { case (k, v) => q"@body($v) def ${TermName(k)} = macro Macros.selFieldImpl" } + val fields = kvps map { case (k, v) => DefDef( + Modifiers(MACRO, tpnme.EMPTY, List(Apply(Select(New(Ident(newTypeName("body"))), nme.CONSTRUCTOR), List(v)))), + newTermName(k), Nil, Nil, TypeTree(), Select(Ident(newTermName("Macros")), newTermName("selFieldImpl"))) } + // q"import scala.language.experimental.macros; class Workaround { ..$fields }; new Workaround{}" + c.Expr[Any](Block( + List( + Import(Select(Select(Ident(newTermName("scala")), newTermName("language")), newTermName("experimental")), List(ImportSelector(newTermName("macros"), 51, newTermName("macros"), 51))), + ClassDef( + NoMods, newTypeName("Workaround"), Nil, + Template( + List(Select(Ident(newTermName("scala")), newTypeName("AnyRef"))), emptyValDef, + DefDef( + NoMods, nme.CONSTRUCTOR, Nil, List(Nil), TypeTree(), + Block(List(Apply(Select(Super(This(tpnme.EMPTY), tpnme.EMPTY), nme.CONSTRUCTOR), List())), Literal(Constant(())))) + +: fields)), + ClassDef( + Modifiers(FINAL), newTypeName("$anon"), Nil, + Template( + List(Ident(newTypeName("Workaround"))), emptyValDef, + List( + DefDef( + NoMods, nme.CONSTRUCTOR, Nil, List(Nil), TypeTree(), + Block(List(Apply(Select(Super(This(tpnme.EMPTY), tpnme.EMPTY), nme.CONSTRUCTOR), List())), Literal(Constant(())))))))), + Apply(Select(New(Ident(newTypeName("$anon"))), nme.CONSTRUCTOR), List()))) + } +} + +object mkObject { + def apply(xs: Any*) = macro Macros.mkObjectImpl +} diff --git a/test/files/run/macro-vampire-false-warning/Test_2.scala b/test/files/run/macro-vampire-false-warning/Test_2.scala new file mode 100644 index 0000000000..6e44b68635 --- /dev/null +++ b/test/files/run/macro-vampire-false-warning/Test_2.scala @@ -0,0 +1,6 @@ +object Test extends App { + val foo = mkObject("x" -> "2", "y" -> 3) + println(foo.x) + println(foo.y) + // println(foo.z) => will result in a compilation error +}
\ No newline at end of file diff --git a/test/files/run/t5923a.check b/test/files/run/t5923a-fundep.check index 7165b734ac..7165b734ac 100644 --- a/test/files/run/t5923a.check +++ b/test/files/run/t5923a-fundep.check diff --git a/test/files/run/t5923a-fundep.flags b/test/files/run/t5923a-fundep.flags new file mode 100644 index 0000000000..384b48d1b0 --- /dev/null +++ b/test/files/run/t5923a-fundep.flags @@ -0,0 +1 @@ +-Yfundep-materialization
\ No newline at end of file diff --git a/test/files/run/t5923a-fundep/Macros_1.scala b/test/files/run/t5923a-fundep/Macros_1.scala new file mode 100644 index 0000000000..97076eb102 --- /dev/null +++ b/test/files/run/t5923a-fundep/Macros_1.scala @@ -0,0 +1,52 @@ +import scala.reflect.macros.Context +import language.experimental.macros + +case class C[T](t: String) +object C { + implicit def foo[T]: C[T] = macro Macros.impl[T] +} + +object Macros { + def impl[T](c: Context)(ttag: c.WeakTypeTag[T]) = { + import c.universe._ + val ttag0 = ttag; + { + // When we're expanding implicitly[C[Nothing]], the type inferencer will see + // that foo[T] returns C[T] and that we request an implicit of type C[Nothing]. + // + // Then the type inferencer will try to match C[T] against C[Nothing] and infer everything it can infer + // from that match, but not more (e.g. if we were returning Iso[T, U] and the type we were looking at was Iso[Foo, L], + // we wouldn't want U to be auto-inferred to Nothing, as it usually happens with normal methods, + // but would rather want it to remain unknown, so that our macro could take a stab at inferring it: + // see the comments in this commit for more information). + // + // Equipped with common sense, in our case of C[T] and C[Nothing] we would expect T to be inferred as Nothing, and then we + // would expect T in the corresponding macro invocation to be Nothing. Unfortunately it is not that simple. + // + // Internally the type inferencer uses Nothing as a dummy value, which stands for "don't know how to + // infer this type parameter". In the Iso example, matching Iso[T, U] against Iso[Foo, L] would result in + // T being inferred as Foo and U being inferred as Nothing (!!). Then the type inferencer will think: + // "Aha! U ended up being Nothing. This means that I failed to infer it, + // therefore the result of my work is: T -> Foo, U -> still unknown". + // + // That's all very good and works very well until Nothing is a genuine result of type inference, + // as in our original example of inferring T in C[T] from C[Nothing]. In that case, the inferencer becomes confused + // and here in the macro implementation we get weakTypeOf[T] equal to some dummy type carrying a type parameter + // instead of Nothing. + // + // This eccentric behavior of the type inferencer is a long-standing problem in scalac, + // so the best one can do for now until it's fixed is to work around, manually converting + // suspicious T's into Nothings. Of course, this means that we would have to approximate, + // because there's no way to know whether having T here stands for a failed attempt to infer Nothing + // or for a failed attempt to infer anything, but at least we're in full control of making the best + // of this sad situation. + implicit def ttag: WeakTypeTag[T] = { + val tpe = ttag0.tpe + val sym = tpe.typeSymbol.asType + if (sym.isParameter && !sym.isSkolem) TypeTag.Nothing.asInstanceOf[TypeTag[T]] + else ttag0 + } + reify(C[T](c.literal(weakTypeOf[T].toString).splice)) + } + } +}
\ No newline at end of file diff --git a/test/files/run/t5923a/Test_2.scala b/test/files/run/t5923a-fundep/Test_2.scala index 001ff9aea8..001ff9aea8 100644 --- a/test/files/run/t5923a/Test_2.scala +++ b/test/files/run/t5923a-fundep/Test_2.scala diff --git a/test/files/run/t5923a-nofundep.check b/test/files/run/t5923a-nofundep.check new file mode 100644 index 0000000000..7165b734ac --- /dev/null +++ b/test/files/run/t5923a-nofundep.check @@ -0,0 +1,3 @@ +C(Int) +C(String) +C(Nothing) diff --git a/test/files/run/t5923a/Macros_1.scala b/test/files/run/t5923a-nofundep/Macros_1.scala index 6d21362c4d..6d21362c4d 100644 --- a/test/files/run/t5923a/Macros_1.scala +++ b/test/files/run/t5923a-nofundep/Macros_1.scala diff --git a/test/files/run/t5923a-nofundep/Test_2.scala b/test/files/run/t5923a-nofundep/Test_2.scala new file mode 100644 index 0000000000..001ff9aea8 --- /dev/null +++ b/test/files/run/t5923a-nofundep/Test_2.scala @@ -0,0 +1,5 @@ +object Test extends App { + println(implicitly[C[Int]]) + println(implicitly[C[String]]) + println(implicitly[C[Nothing]]) +}
\ No newline at end of file diff --git a/test/files/run/t5923c.check b/test/files/run/t5923c.check new file mode 100644 index 0000000000..bed7429108 --- /dev/null +++ b/test/files/run/t5923c.check @@ -0,0 +1 @@ +(23,foo,true) diff --git a/test/files/run/t5923c.flags b/test/files/run/t5923c.flags new file mode 100644 index 0000000000..384b48d1b0 --- /dev/null +++ b/test/files/run/t5923c.flags @@ -0,0 +1 @@ +-Yfundep-materialization
\ No newline at end of file diff --git a/test/files/run/t5923c/Macros_1.scala b/test/files/run/t5923c/Macros_1.scala new file mode 100644 index 0000000000..0b7a3399e2 --- /dev/null +++ b/test/files/run/t5923c/Macros_1.scala @@ -0,0 +1,39 @@ +import language.experimental.macros +import scala.reflect.macros.Context + +trait Iso[T, U] { + def to(t : T) : U + // def from(u : U) : T +} + +object Iso { + implicit def materializeIso[T, U]: Iso[T, U] = macro impl[T, U] + def impl[T: c.WeakTypeTag, U: c.WeakTypeTag](c: Context): c.Expr[Iso[T, U]] = { + import c.universe._ + import definitions._ + import Flag._ + + val sym = c.weakTypeOf[T].typeSymbol + if (!sym.isClass || !sym.asClass.isCaseClass) c.abort(c.enclosingPosition, s"$sym is not a case class") + val fields = sym.typeSignature.declarations.toList.collect{ case x: TermSymbol if x.isVal && x.isCaseAccessor => x } + + def mkTpt() = { + val core = Ident(TupleClass(fields.length) orElse UnitClass) + if (fields.length == 0) core + else AppliedTypeTree(core, fields map (f => TypeTree(f.typeSignature))) + } + + def mkFrom() = { + if (fields.length == 0) Literal(Constant(Unit)) + else Apply(Ident(newTermName("Tuple" + fields.length)), fields map (f => Select(Ident(newTermName("f")), newTermName(f.name.toString.trim)))) + } + + val evidenceClass = ClassDef(Modifiers(FINAL), newTypeName("$anon"), List(), Template( + List(AppliedTypeTree(Ident(newTypeName("Iso")), List(Ident(sym), mkTpt()))), + 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("to"), List(), List(List(ValDef(Modifiers(PARAM), newTermName("f"), Ident(sym), EmptyTree))), TypeTree(), mkFrom())))) + c.Expr[Iso[T, U]](Block(List(evidenceClass), Apply(Select(New(Ident(newTypeName("$anon"))), nme.CONSTRUCTOR), List()))) + } +} diff --git a/test/files/run/t5923c/Test_2.scala b/test/files/run/t5923c/Test_2.scala new file mode 100644 index 0000000000..a00f4ed7db --- /dev/null +++ b/test/files/run/t5923c/Test_2.scala @@ -0,0 +1,12 @@ +// see the comments for macroExpandApply.onDelayed for an explanation of what's tested here +object Test extends App { + case class Foo(i: Int, s: String, b: Boolean) + def foo[C, L](c: C)(implicit iso: Iso[C, L]): L = iso.to(c) + + { + val equiv = foo(Foo(23, "foo", true)) + def typed[T](t: => T) {} + typed[(Int, String, Boolean)](equiv) + println(equiv) + } +}
\ No newline at end of file diff --git a/test/files/run/t5923d.check b/test/files/run/t5923d.check new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/test/files/run/t5923d.check diff --git a/test/files/run/t5923d/Macros_1.scala b/test/files/run/t5923d/Macros_1.scala new file mode 100644 index 0000000000..f32d1af704 --- /dev/null +++ b/test/files/run/t5923d/Macros_1.scala @@ -0,0 +1,9 @@ +import scala.language.experimental.macros +import scala.reflect.macros.Context + +trait MappedRow +trait RowMapper[T <: MappedRow] +object RowMapper { + implicit def mapper[T <: MappedRow]: RowMapper[T] = macro impl[T] + def impl[T <: MappedRow : c.WeakTypeTag](c: Context) = c.universe.reify(new RowMapper[T]{}) +}
\ No newline at end of file diff --git a/test/files/run/t5923d/Test_2.scala b/test/files/run/t5923d/Test_2.scala new file mode 100644 index 0000000000..6be10227c2 --- /dev/null +++ b/test/files/run/t5923d/Test_2.scala @@ -0,0 +1,7 @@ +class RowA extends MappedRow +class RowB extends MappedRow + +object Test extends App { + implicitly[RowMapper[RowA]] + implicitly[RowMapper[RowB]] +}
\ No newline at end of file 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)) + } +} diff --git a/test/files/run/t8196.check b/test/files/run/t8196.check new file mode 100644 index 0000000000..3286c15c91 --- /dev/null +++ b/test/files/run/t8196.check @@ -0,0 +1,3 @@ +Scope{ + final private val f1: Int +} diff --git a/test/files/run/t8196.scala b/test/files/run/t8196.scala new file mode 100644 index 0000000000..e219ac166b --- /dev/null +++ b/test/files/run/t8196.scala @@ -0,0 +1,51 @@ +import scala.reflect.runtime.{ universe => ru } + +object Test extends App { + + trait FormTrait { + + val runtimeMirror = ru.runtimeMirror(this.getClass.getClassLoader) + val instanceMirror = runtimeMirror.reflect(this) + val members = instanceMirror.symbol.typeSignature.members + def fields = members.filter(_.typeSignature <:< ru.typeOf[Int]) + } + + val f = () => { + + class Form1 extends FormTrait { + val f1 = 5 + } + val form1 = new Form1 + + println(form1.fields) + + val form2 = new FormTrait { + val g1 = new Form1 + } + + form2.g1 // comment this line in order to make the test pass + () + } + + val g = () => { + // Reported as SI-8195, same root cause + trait Form { + + private val runtimeMirror = ru.runtimeMirror(this.getClass.getClassLoader) + private val instanceMirror = runtimeMirror.reflect(this) + private val members = instanceMirror.symbol.typeSignature.members + + } + + val f1 = new Form { + val a = 1 + } + + val f2 = new Form { + val b = f1.a + } + } + + f() + g() +} diff --git a/test/files/run/t8442.check b/test/files/run/t8442.check new file mode 100644 index 0000000000..ce9e8b52ff --- /dev/null +++ b/test/files/run/t8442.check @@ -0,0 +1 @@ +pos: NoPosition Class A_1 not found - continuing with a stub. WARNING diff --git a/test/files/run/t8442/A_1.java b/test/files/run/t8442/A_1.java new file mode 100644 index 0000000000..227451eecd --- /dev/null +++ b/test/files/run/t8442/A_1.java @@ -0,0 +1,4 @@ +@java.lang.annotation.Retention(java.lang.annotation.RetentionPolicy.RUNTIME) +public @interface A_1 { + +}
\ No newline at end of file diff --git a/test/files/run/t8442/B_1.java b/test/files/run/t8442/B_1.java new file mode 100644 index 0000000000..1680684495 --- /dev/null +++ b/test/files/run/t8442/B_1.java @@ -0,0 +1,3 @@ +public class B_1 { + @A_1 public String get() { return ""; } +} diff --git a/test/files/run/t8442/C_2.scala b/test/files/run/t8442/C_2.scala new file mode 100644 index 0000000000..d75d4bd910 --- /dev/null +++ b/test/files/run/t8442/C_2.scala @@ -0,0 +1,5 @@ +class C_2 { + def foo(b: B_1) { + b.get() + } +} diff --git a/test/files/run/t8442/Test.scala b/test/files/run/t8442/Test.scala new file mode 100644 index 0000000000..ff6da4e206 --- /dev/null +++ b/test/files/run/t8442/Test.scala @@ -0,0 +1,29 @@ +import scala.tools.partest._ +import java.io.File + +object Test extends StoreReporterDirectTest { + def code = ??? + + def compileCode(code: String) = { + val classpath = List(sys.props("partest.lib"), testOutput.path) mkString sys.props("path.separator") + compileString(newCompiler("-cp", classpath, "-d", testOutput.path))(code) + } + + def app = """ + class C_2 { + def foo(b: B_1) { + b.get() + } + } + """ + + def show(): Unit = { + val tClass = new File(testOutput.path, "A_1.class") + assert(tClass.exists) + assert(tClass.delete()) + + // Expecting stub symbol warning, but no stack trace! + compileCode(app) + println(filteredInfos.mkString("\n")) + } +} diff --git a/test/files/run/typecheck.check b/test/files/run/typecheck.check new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/test/files/run/typecheck.check diff --git a/test/files/run/typecheck/Macros_1.scala b/test/files/run/typecheck/Macros_1.scala new file mode 100644 index 0000000000..850a611ab1 --- /dev/null +++ b/test/files/run/typecheck/Macros_1.scala @@ -0,0 +1,17 @@ +import scala.reflect.macros.Context +import scala.language.experimental.macros + +object Macros { + def impl(c: Context) = { + import c.universe._ + val classDef = ClassDef( + Modifiers(), newTypeName("C"), 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(()))))))) + c.typeCheck(classDef) + c.Expr[Any](Literal(Constant(()))) + } + + def foo: Any = macro impl +}
\ No newline at end of file diff --git a/test/files/run/typecheck/Test_2.scala b/test/files/run/typecheck/Test_2.scala new file mode 100644 index 0000000000..0a3279e23e --- /dev/null +++ b/test/files/run/typecheck/Test_2.scala @@ -0,0 +1,15 @@ +import scala.reflect.runtime.universe._ +import scala.reflect.runtime.{currentMirror => cm} +import scala.tools.reflect.ToolBox + +object Test extends App { + Macros.foo + + val tb = cm.mkToolBox() + val classDef = ClassDef( + Modifiers(), newTypeName("C"), 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(()))))))) + tb.typeCheck(classDef) +}
\ No newline at end of file |