1 files changed, 87 insertions, 0 deletions
diff --git a/sources/scalac/ApplicationError.java b/sources/scalac/ApplicationError.java
new file mode 100644
index 0000000000..e689217eec
--- /dev/null
+++ b/sources/scalac/ApplicationError.java
@@ -0,0 +1,87 @@
+/*     ____ ____  ____ ____  ______                                     *\
+**    / __// __ \/ __// __ \/ ____/    SOcos COmpiles Scala             **
+**  __\_ \/ /_/ / /__/ /_/ /\_ \       (c) 2002, LAMP/EPFL              **
+** /_____/\____/\___/\____/____/                                        **
+**                                                                      **
+** $Id$
+\*                                                                      */
+
+package scalac;
+
+import java.io.PrintStream;
+import java.io.PrintWriter;
+
+import scalac.util.Debug;
+
+public class ApplicationError extends Error {
+
+    //########################################################################
+    // Private state
+
+    private final Throwable cause; // !!! remove and use API 1.4
+
+    //########################################################################
+    // Private interface
+
+    private static String combine(String message, Object object) {
+        String string = Debug.show(object);
+        return message == null ? string : message + ": " + string;
+    }
+
+    //########################################################################
+    // ApplicationError constructors
+
+    public ApplicationError() {
+        this((String)null, (Throwable)null);
+    }
+
+    public ApplicationError(String message) {
+        this(message, (Throwable)null);
+    }
+
+    public ApplicationError(Object object) {
+        this(null, object, null);
+    }
+
+    public ApplicationError(Throwable cause) {
+        this((String)null, cause);
+    }
+
+    public ApplicationError(String message, Object object) {
+        this(message, object, null);
+    }
+
+    public ApplicationError(String message, Throwable cause) {
+        super(message);
+        this.cause = cause;
+    }
+
+    public ApplicationError(Object object, Throwable cause) {
+        this(null, object, cause);
+    }
+
+    public ApplicationError(String message, Object object, Throwable cause) {
+        this(combine(message, object), cause);
+    }
+
+    //########################################################################
+    // Throwable interface
+
+    public void printStackTrace(PrintStream printer) {
+        super.printStackTrace(printer);
+        if (cause != null) {
+            printer.print("Caused by: ");
+            cause.printStackTrace(printer);
+        }
+    }
+
+    public void printStackTrace(PrintWriter printer) {
+        super.printStackTrace(printer);
+        if (cause != null) {
+            printer.print("Caused by: ");
+            cause.printStackTrace(printer);
+        }
+    }
+
+    //########################################################################
+}