Patch: showval program
Tom Tromey
tromey@cygnus.com
Thu Jul 20 12:36:00 GMT 2000
I'm checking in my "showval" reverse-engineering program.
2000-07-20 Tom Tromey <tromey@cygnus.com>
* scripts/showval.java: New file.
Tom
Index: scripts/showval.java
===================================================================
RCS file: showval.java
diff -N showval.java
--- /dev/null Tue May 5 13:32:27 1998
+++ showval.java Thu Jul 20 12:34:45 2000
@@ -0,0 +1,41 @@
+// Show a value given class name and constant name.
+
+/* Copyright (C) 2000 Free Software Foundation
+
+ This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
+details. */
+
+/* Written by Tom Tromey <tromey@redhat.com>. */
+
+// Use like this to print a `static final' value (integers only, not
+// strings yet):
+// java showval java.awt.geom.AffineTransform.TYPE_IDENTITY
+// Prints result like:
+// TYPE_IDENTITY = 0
+// In conjunction with a keyboard macro you can do a number of
+// constants very easily.
+
+import java.lang.reflect.*;
+
+public class showval
+{
+ public static void main (String[] args)
+ {
+ int ch = args[0].lastIndexOf ('.');
+ String className = args[0].substring (0, ch);
+ String constName = args[0].substring (ch + 1);
+ try
+ {
+ Class klass = Class.forName (className);
+ Field field = klass.getField (constName);
+ System.out.println (constName + " = " + field.getInt (null));
+ }
+ catch (Throwable _)
+ {
+ System.out.println (_);
+ }
+ }
+}
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