From 8a61ff432543a29234193cd1f7c14abd3f3d31a0 Mon Sep 17 00:00:00 2001
From: Felix Mulder <felix.mulder@gmail.com>
Date: Wed, 2 Nov 2016 11:08:28 +0100
Subject: Move compiler and compiler tests to compiler dir

---
 .../dotty/tools/dotc/reporting/TestReporter.scala  | 52 ++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 compiler/test/dotty/tools/dotc/reporting/TestReporter.scala

(limited to 'compiler/test/dotty/tools/dotc/reporting/TestReporter.scala')

diff --git a/compiler/test/dotty/tools/dotc/reporting/TestReporter.scala b/compiler/test/dotty/tools/dotc/reporting/TestReporter.scala
new file mode 100644
index 000000000..70d18d031
--- /dev/null
+++ b/compiler/test/dotty/tools/dotc/reporting/TestReporter.scala
@@ -0,0 +1,52 @@
+package dotty.tools
+package dotc
+package reporting
+
+import scala.collection.mutable
+import util.SourcePosition
+import core.Contexts._
+import Reporter._
+import java.io.PrintWriter
+import scala.reflect.internal.util._
+import diagnostic.{ Message, MessageContainer, NoExplanation }
+import diagnostic.messages._
+
+class TestReporter(writer: PrintWriter) extends Reporter
+with UniqueMessagePositions with HideNonSensicalMessages {
+
+  import MessageContainer._
+
+  /** maximal number of error messages to be printed */
+  protected def ErrorLimit = 100
+
+  def printPos(pos: SourcePosition): Unit =
+    if (pos.exists) {
+      if (pos.outer.exists) {
+        writer.println(s"\ninlined at ${pos.outer}:\n")
+        printPos(pos.outer)
+      }
+    }
+
+  /** Prints the message with the given position indication. */
+  def printMessageAndPos(msg: String, pos: SourcePosition)(implicit ctx: Context): Unit = {
+    val posStr = s"${pos.line + 1}: "
+    writer.println(posStr + msg)
+    printPos(pos)
+  }
+
+  override def doReport(m: MessageContainer)(implicit ctx: Context): Unit = {
+    // Here we add extra information that we should know about the error message
+    val extra = m.contained match {
+      case pm: PatternMatchExhaustivity => s": ${pm.uncovered}"
+      case _ => ""
+    }
+
+    m match {
+      case m: Error =>
+        printMessageAndPos(m.contained.kind + extra, m.pos)
+      case w: Warning =>
+        printMessageAndPos(w.contained.kind + extra, w.pos)
+      case _ =>
+    }
+  }
+}
-- 
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