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Add typeOf to TASTy reflection #5569

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merged 1 commit into from Dec 5, 2018
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6 changes: 5 additions & 1 deletion library/src/scala/tasty/Reflection.scala
Expand Up @@ -20,7 +20,11 @@ abstract class Reflection
with TreeOps
with TreeUtils
with TypeOrBoundsTreeOps
with TypeOrBoundsOps
with TypeOrBoundsOps {

def typeOf[T: scala.quoted.Type]: Type =
implicitly[scala.quoted.Type[T]].unseal.tpe
}

object Reflection {
/** Compiler tasty context available in a top level ~ of an inline macro */
Expand Down
2 changes: 2 additions & 0 deletions library/src/scala/tasty/reflect/TypeOrBoundsOps.scala
Expand Up @@ -5,6 +5,8 @@ trait TypeOrBoundsOps extends Core {

// ----- Types ----------------------------------------------------

def typeOf[T: scala.quoted.Type]: Type

trait TypeAPI {
def =:=(other: Type)(implicit ctx: Context): Boolean
def <:<(other: Type)(implicit ctx: Context): Boolean
Expand Down
3 changes: 3 additions & 0 deletions tests/run-separate-compilation/tasty-typeof.check
@@ -0,0 +1,3 @@
collection.immutable.List[scala.Int]
Macros
Macros
35 changes: 35 additions & 0 deletions tests/run-separate-compilation/tasty-typeof/Macro_1.scala
@@ -0,0 +1,35 @@
import scala.quoted._
import scala.tasty._

object Macros {

inline def testTypeOf(): Unit = ~testTypeOfImpl

private def testTypeOfImpl(implicit reflect: Reflection): Expr[Unit] = {
import reflect._
'{
assert(~(typeOf[Unit] =:= definitions.UnitType).toExpr, "Unit")
assert(~(typeOf[Byte] =:= definitions.ByteType).toExpr, "Byte")
assert(~(typeOf[Short] =:= definitions.ShortType).toExpr, "Short")
assert(~(typeOf[Int] =:= definitions.IntType).toExpr, "Int")
assert(~(typeOf[Long] =:= definitions.LongType).toExpr, "Long")
assert(~(typeOf[Float] =:= definitions.FloatType).toExpr, "Float")
assert(~(typeOf[Double] =:= definitions.DoubleType).toExpr, "Double")
assert(~(typeOf[Char] =:= definitions.CharType).toExpr, "Char")
assert(~(typeOf[String] =:= definitions.StringType).toExpr, "String")

assert(~(typeOf[Any] =:= definitions.AnyType).toExpr, "Any")
assert(~(typeOf[AnyRef] =:= definitions.AnyRefType).toExpr, "AnyRef")
assert(~(typeOf[AnyVal] =:= definitions.AnyValType).toExpr, "AnyVal")
assert(~(typeOf[Object] =:= definitions.ObjectType).toExpr, "Object")
assert(~(typeOf[Nothing] =:= definitions.NothingType).toExpr, "Nothing")

println(~(typeOf[List[Int]].showCode.toExpr))
println(~(typeOf[Macros].showCode.toExpr))
println(~(typeOf[Macros.type].showCode.toExpr))
}
}

}

class Macros
8 changes: 8 additions & 0 deletions tests/run-separate-compilation/tasty-typeof/Test_2.scala
@@ -0,0 +1,8 @@

object Test {

def main(args: Array[String]): Unit = {
Macros.testTypeOf()
}

}