Added when***Enabled() methods in LoggerTakingImplicitImpl

Author: prateekatknoldus

src/main/scala-2/com/typesafe/scalalogging/LoggerTakingImplicitImpl.scala

@@ -18,6 +18,8 @@ class LoggerTakingImplicitImpl[A] private[scalalogging] {
 
   def error(marker: Marker, message: String, args: Any*)(implicit a: A): Unit = macro LoggerTakingImplicitMacro.errorMessageArgsMarker[A]
 
+  def whenErrorEnabled(body: Unit)(implicit a: A): Unit = macro LoggerTakingImplicitMacro.errorCode[A]
+
   // Warn
 
   def warn(message: String)(implicit a: A): Unit = macro LoggerTakingImplicitMacro.warnMessage[A]
@@ -32,6 +34,8 @@ class LoggerTakingImplicitImpl[A] private[scalalogging] {
 
   def warn(marker: Marker, message: String, args: Any*)(implicit a: A): Unit = macro LoggerTakingImplicitMacro.warnMessageArgsMarker[A]
 
+  def whenWarnEnabled(body: Unit)(implicit a: A): Unit = macro LoggerTakingImplicitMacro.warnCode[A]
+
   // Info
 
   def info(message: String)(implicit a: A): Unit = macro LoggerTakingImplicitMacro.infoMessage[A]
@@ -46,6 +50,8 @@ class LoggerTakingImplicitImpl[A] private[scalalogging] {
 
   def info(marker: Marker, message: String, args: Any*)(implicit a: A): Unit = macro LoggerTakingImplicitMacro.infoMessageArgsMarker[A]
 
+  def whenInfoEnabled(body: Unit)(implicit a: A): Unit = macro LoggerTakingImplicitMacro.infoCode[A]
+
   // Debug
 
   def debug(message: String)(implicit a: A): Unit = macro LoggerTakingImplicitMacro.debugMessage[A]
@@ -60,6 +66,8 @@ class LoggerTakingImplicitImpl[A] private[scalalogging] {
 
   def debug(marker: Marker, message: String, args: Any*)(implicit a: A): Unit = macro LoggerTakingImplicitMacro.debugMessageArgsMarker[A]
 
+  def whenDebugEnabled(body: Unit)(implicit a: A): Unit = macro LoggerTakingImplicitMacro.debugCode[A]
+
   // Trace
 
   def trace(message: String)(implicit a: A): Unit = macro LoggerTakingImplicitMacro.traceMessage[A]
@@ -74,4 +82,5 @@ class LoggerTakingImplicitImpl[A] private[scalalogging] {
 
   def trace(marker: Marker, message: String, args: Any*)(implicit a: A): Unit = macro LoggerTakingImplicitMacro.traceMessageArgsMarker[A]
 
+  def whenTraceEnabled(body: Unit)(implicit a: A): Unit = macro LoggerTakingImplicitMacro.traceCode[A]
 }

src/main/scala-2/com/typesafe/scalalogging/LoggerTakingImplicitMacro.scala

@@ -83,6 +83,16 @@ private[scalalogging] object LoggerTakingImplicitMacro {
     }
   }
 
+  def errorCode[A](c: LoggerContext[A])(body: c.Expr[Unit])(a: c.Expr[A]): c.universe.Tree = {
+    import c.universe._
+    val underlying = q"${c.prefix}.underlying"
+    val canLogEv = q"${c.prefix}.canLogEv"
+    q"""if ($underlying.isErrorEnabled) {
+          $underlying.error($canLogEv.logMessage($body))
+          $canLogEv.afterLog($a)
+        }"""
+  }
+
   // Warn
 
   def warnMessage[A](c: LoggerContext[A])(message: c.Expr[String])(a: c.Expr[A]): c.universe.Tree = {
@@ -159,6 +169,16 @@ private[scalalogging] object LoggerTakingImplicitMacro {
     }
   }
 
+  def warnCode[A](c: LoggerContext[A])(body: c.Expr[Unit])(a: c.Expr[A]): c.universe.Tree = {
+    import c.universe._
+    val underlying = q"${c.prefix}.underlying"
+    val canLogEv = q"${c.prefix}.canLogEv"
+    q"""if ($underlying.isWarnEnabled) {
+          $underlying.warn($canLogEv.logMessage($body))
+          $canLogEv.afterLog($a)
+        }"""
+  }
+
   // Info
 
   def infoMessage[A](c: LoggerContext[A])(message: c.Expr[String])(a: c.Expr[A]): c.universe.Tree = {
@@ -235,6 +255,16 @@ private[scalalogging] object LoggerTakingImplicitMacro {
     }
   }
 
+  def infoCode[A](c: LoggerContext[A])(body: c.Expr[Unit])(a: c.Expr[A]): c.universe.Tree = {
+    import c.universe._
+    val underlying = q"${c.prefix}.underlying"
+    val canLogEv = q"${c.prefix}.canLogEv"
+    q"""if ($underlying.isInfoEnabled) {
+          $underlying.info($canLogEv.logMessage($body))
+          $canLogEv.afterLog($a)
+        }"""
+  }
+
   // Debug
 
   def debugMessage[A](c: LoggerContext[A])(message: c.Expr[String])(a: c.Expr[A]): c.universe.Tree = {
@@ -311,6 +341,17 @@ private[scalalogging] object LoggerTakingImplicitMacro {
     }
   }
 
+  def debugCode[A](c: LoggerContext[A])(body: c.Expr[Unit])(a: c.Expr[A]): c.universe.Tree = {
+    import c.universe._
+    val underlying = q"${c.prefix}.underlying"
+    val canLogEv = q"${c.prefix}.canLogEv"
+    q"""if ($underlying.isDebugEnabled) {
+          $underlying.debug($canLogEv.logMessage($body))
+          $canLogEv.afterLog($a)
+        }"""
+  }
+
+
   // Trace
 
   def traceMessage[A](c: LoggerContext[A])(message: c.Expr[String])(a: c.Expr[A]): c.universe.Tree = {
@@ -386,4 +427,14 @@ private[scalalogging] object LoggerTakingImplicitMacro {
         }"""
     }
   }
+
+  def traceCode[A](c: LoggerContext[A])(body: c.Expr[Unit])(a: c.Expr[A]): c.universe.Tree = {
+    import c.universe._
+    val underlying = q"${c.prefix}.underlying"
+    val canLogEv = q"${c.prefix}.canLogEv"
+    q"""if ($underlying.isTraceEnabled) {
+          $underlying.trace($canLogEv.logMessage($body))
+          $canLogEv.afterLog($a)
+        }"""
+  }
 }