com.rojoma.json.v3.-impl.util.MacroCompat.scala Maven / Gradle / Ivy

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package com.rojoma.json.v3
package `-impl`.util

// 2.10 version of MacroCompat

import scala.annotation.StaticAnnotation

trait MacroCompat {
  import MacroCompat._

  val c: Context
  import c.universe._

  def toTermName(s: String) = newTermName(s)
  def toTypeName(s: String) = newTypeName(s)

  def posOf(param: Symbol, ann: Annotation) = param.pos

  def isDefined(pos: Position) = pos.isDefined

  implicit class EnhContext(underlying: Context) {
    def freshName() = underlying.fresh()
  }

  implicit class EnhMethodSymbolApi(ms: MethodSymbol) {
    def paramLists = ms.paramss
  }

  implicit class EnhAnnotation(t: Annotation) {
    def tree = t
  }

  def findValue[T](ann: Annotation): Option[Any] = {
    ann.javaArgs.get(newTermName("value")) match {
      case Some(LiteralArgument(Constant(v))) => Some(v)
      case _ => None
    }
  }

  object termNames {
    val ROOTPKG = "_root_"
  }

  lazy val syntheticFlag = NoFlags
}

object MacroCompat {
  type Context = scala.reflect.macros.Context

  class compileTimeOnly(value: String) extends StaticAnnotation
}