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import scala.reflect.makro.Context
object Macros {
def impl_with_macros_enabled(c: Context) = {
import c.mirror._
// todo. doesn't work. why?
//val mrPkg = staticModule("scala.reflect.package")
//val mrSym = selectTerm(mrPkg, "mirror")
//val NullaryMethodType(mrTpe) = mrSym.typeSignature
//val mr = newFreeTerm("mr", mrTpe, scala.reflect.mirror, null)
//val tree1 = Apply(Select(Ident(mr), newTermName("reify")), List(Literal(Constant(2))))
val mr = Select(Select(Select(Ident(newTermName("scala")), newTermName("reflect")), newTermName("package")), newTermName("mirror"))
val tree1 = Apply(Select(mr, newTermName("reify")), List(Literal(Constant(2))))
val ttree1 = c.typeCheck(tree1, withMacrosDisabled = false)
c.literal(ttree1.toString)
}
def foo_with_macros_enabled = macro impl_with_macros_enabled
def impl_with_macros_disabled(c: Context) = {
import c.mirror._
val mrPkg = staticModule("scala.reflect.package")
val mrSym = selectTerm(mrPkg, "mirror")
val NullaryMethodType(mrTpe) = mrSym.typeSignature
val mr = newFreeTerm("mr", mrTpe, scala.reflect.mirror, null)
val tree2 = Apply(Select(Ident(mr), newTermName("reify")), List(Literal(Constant(2))))
val ttree2 = c.typeCheck(tree2, withMacrosDisabled = true)
c.literal(ttree2.toString)
}
def foo_with_macros_disabled = macro impl_with_macros_disabled
}
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