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• slog-core_2.13
• 0.0.8
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• LoggerImpl.scala

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slog.macros.LoggerImpl.scala Maven / Gradle / Ivy

package slog.macros

import slog.{LevelLogBuilder, LogBuilder}

import scala.reflect.macros.blackbox

private[slog] object LoggerImpl {
  def infoImpl[F[_]](c: blackbox.Context): c.Expr[LevelLogBuilder[F]] = {
    impl[F](c)(c.universe.TermName("info"))
  }

  def debugImpl[F[_]](c: blackbox.Context): c.Expr[LevelLogBuilder[F]] = {
    impl[F](c)(c.universe.TermName("debug"))
  }

  def traceImpl[F[_]](c: blackbox.Context): c.Expr[LevelLogBuilder[F]] = {
    impl[F](c)(c.universe.TermName("trace"))
  }

  def warnImpl[F[_]](c: blackbox.Context): c.Expr[LevelLogBuilder[F]] = {
    impl[F](c)(c.universe.TermName("warn"))
  }

  def errorImpl[F[_]](c: blackbox.Context): c.Expr[LevelLogBuilder[F]] = {
    impl[F](c)(c.universe.TermName("error"))
  }

  private def impl[F[_]](
      c: blackbox.Context
  )(level: c.universe.TermName): c.Expr[LevelLogBuilder[F]] = {
    import c.universe._
    val file = Literal(Constant(c.enclosingPosition.source.path.toString))
    val line = Literal(Constant(c.enclosingPosition.line))
    val tree = q"${c.prefix}.underlying.$level($file, $line)"
    c.Expr(tree)
  }
}