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package java.lang
import scala.scalajs.js
private trait ScalaJSClassData[A] extends js.Object {
val name: String = js.native
val isPrimitive: scala.Boolean = js.native
val isInterface: scala.Boolean = js.native
val isArrayClass: scala.Boolean = js.native
def isInstance(obj: Object): scala.Boolean = js.native
def getFakeInstance(): Object = js.native
def getSuperclass(): Class[_ >: A] = js.native
def getComponentType(): Class[_] = js.native
def newArrayOfThisClass(dimensions: js.Array[Int]): AnyRef = js.native
}
final class Class[A] private (data: ScalaJSClassData[A]) extends Object {
override def toString(): String = {
(if (isInterface()) "interface " else
if (isPrimitive()) "" else "class ")+getName()
}
def isInstance(obj: Object): scala.Boolean =
data.isInstance(obj)
def isAssignableFrom(that: Class[_]): scala.Boolean =
if (this.isPrimitive || that.isPrimitive) {
/* This differs from the JVM specification to mimic the behavior of
* runtime type tests of primitive numeric types.
*/
(this eq that) || {
if (this eq classOf[scala.Short])
(that eq classOf[scala.Byte])
else if (this eq classOf[scala.Int])
(that eq classOf[scala.Byte]) || (that eq classOf[scala.Short])
else if (this eq classOf[scala.Float])
(that eq classOf[scala.Byte]) || (that eq classOf[scala.Short]) ||
(that eq classOf[scala.Int])
else if (this eq classOf[scala.Double])
(that eq classOf[scala.Byte]) || (that eq classOf[scala.Short]) ||
(that eq classOf[scala.Int]) || (that eq classOf[scala.Float])
else
false
}
} else {
this.isInstance(that.getFakeInstance())
}
private def getFakeInstance(): Object =
data.getFakeInstance()
def isInterface(): scala.Boolean =
data.isInterface
def isArray(): scala.Boolean =
data.isArrayClass
def isPrimitive(): scala.Boolean =
data.isPrimitive
def getName(): String =
data.name
def getSimpleName(): String =
data.name.split('.').last.split('$').last
def getSuperclass(): Class[_ >: A] =
data.getSuperclass()
def getComponentType(): Class[_] =
data.getComponentType()
def getEnclosingClass(): Class[_] = null
// java.lang.reflect.Array support
private[lang] def newArrayOfThisClass(dimensions: js.Array[Int]): AnyRef =
data.newArrayOfThisClass(dimensions)
}
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