Updated NSC to use offsets instead of line/colu...

Updated NSC to use offsets instead of line/column positions.

1 files changed, 56 insertions, 0 deletions

diff --git a/sources/scala/tools/nsc/reporters/AbstractReporter.scala b/sources/scala/tools/nsc/reporters/AbstractReporter.scala
new file mode 100644
index 0000000000..b85fde78ca
--- /dev/null
+++ b/sources/scala/tools/nsc/reporters/AbstractReporter.scala
@@ -0,0 +1,56 @@
+/*     ____ ____  ____ ____  ______                                     *\
+**    / __// __ \/ __// __ \/ ____/    SOcos COmpiles Scala             **
+**  __\_ \/ /_/ / /__/ /_/ /\_ \       (c) 2002, LAMP/EPFL              **
+** /_____/\____/\___/\____/____/                                        **
+\*                                                                      */
+
+// $Id$
+
+package scala.tools.nsc.reporters;
+import java.util.HashSet;
+import scala.tools.nsc.util.Position;
+
+/**
+ * This abstract class implements most aspects of a Reporter, only how
+ * things are displayed has to be implemented in subclasses.
+ */
+abstract class AbstractReporter extends Reporter {
+  private val positions = new HashSet();
+
+  def displayInfo   (pos : Position, msg : String) : Unit;
+  def displayWarning(pos : Position, msg : String) : Unit;
+  def displayError  (pos : Position, msg : String) : Unit;
+  def displayPrompt : Unit;
+
+  // XXX: while is pos ignored?
+  def    info(pos : Position, msg : String, force : Boolean) : Unit =
+    if (force || verbose) displayInfo(pos, msg);
+
+  def warning(pos : Position, msg : String) : Unit = {
+    val hidden = testAndLog(pos);
+    if (nowarn) return;
+    if (!hidden || prompt) displayWarning(pos, msg);
+    if (!hidden) warningsx = warningsx + 1;
+    if (prompt) displayPrompt;
+  }
+  def error(pos : Position, msg : String) : Unit = {
+    val hidden = testAndLog(pos);
+    if (!hidden || prompt) displayError(pos, msg);
+    if (!hidden) errorsx = errorsx + 1;
+    if (prompt) displayPrompt;
+  }
+
+  //########################################################################
+  // Private Methods
+
+  /** Logs a position and returns true if it was already logged. */
+  private def testAndLog(pos : Position) : Boolean = {
+    if (pos == null) return false;
+    if (pos.column == 0) return false;
+    if (positions.contains(pos)) return true;
+    positions.add(pos);
+    return false;
+  }
+
+  //########################################################################
+}