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package pkg {
import scala.reflect.macros.blackbox.Context
import scala.language.experimental.macros
object Macros {
def impl[T: c.WeakTypeTag](c: Context) = {
import c.universe._
val sym = c.weakTypeOf[T].typeSymbol
val g = c.universe.asInstanceOf[scala.tools.nsc.Global]
c.Expr[Boolean](Literal(Constant(g.currentRun.compiles(sym.asInstanceOf[g.Symbol]))))
}
def compiles[T]: Boolean = macro impl[T]
}
}
import scala.reflect.runtime.universe._
import scala.reflect.runtime.{universe => ru}
import scala.tools.reflect.ToolBox
object Test extends App {
val cm = ru.runtimeMirror(getClass.getClassLoader)
val toolbox = cm.mkToolBox()
toolbox.eval(toolbox.parse("""{
class C
println(pkg.Macros.compiles[C])
println(pkg.Macros.compiles[Object])
}"""))
}
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