1 files changed, 46 insertions, 0 deletions
diff --git a/src/compiler/scala/tools/nsc/reporters/Reporter.scala b/src/compiler/scala/tools/nsc/reporters/Reporter.scala
new file mode 100644
index 0000000000..950e1a2c6f
--- /dev/null
+++ b/src/compiler/scala/tools/nsc/reporters/Reporter.scala
@@ -0,0 +1,46 @@
+/*     ____ ____  ____ ____  ______                                     *\
+**    / __// __ \/ __// __ \/ ____/    SOcos COmpiles Scala             **
+**  __\_ \/ /_/ / /__/ /_/ /\_ \       (c) 2002, LAMP/EPFL              **
+** /_____/\____/\___/\____/____/                                        **
+\*                                                                      */
+
+// $Id$
+
+package scala.tools.nsc.reporters;
+import scala.tools.nsc.util.Position;
+
+
+/**
+ * This interface provides methods to issue information, warning and
+ * error messages.
+ */
+abstract class Reporter {
+  abstract class Severity(val code : Int);
+  object INFO    extends Severity(0);
+  object WARNING extends Severity(1);
+  object ERROR   extends Severity(2);
+
+  def reset : Unit = {
+    errors   = 0;
+    warnings = 0;
+
+  }
+  def count(severity : Severity): Int = severity match {
+    case ERROR   => errors;
+    case WARNING => warnings;
+    case INFO    => 0;
+  };
+  def incr(severity : Severity): Unit = severity match {
+    case ERROR   => errors   = errors   + 1;
+    case WARNING => warnings = warnings + 1;;
+    case INFO    => {}
+  };
+  var errors   : Int = 0;
+  var warnings : Int = 0;
+
+  protected def info0(pos : Position, msg : String, severity : Severity, force : Boolean) : Unit;
+
+  def    info(pos : Position, msg : String, force : Boolean) : Unit = info0(pos, msg, INFO   , force);
+  def warning(pos : Position, msg : String                 ) : Unit = info0(pos, msg, WARNING, false);
+  def   error(pos : Position, msg : String                 ) : Unit = info0(pos, msg,   ERROR, false);
+}