From b72c5c2e5482cf10117b2b25f642f7616b2326c3 Mon Sep 17 00:00:00 2001
From: Joe Onorato <joeo@android.com>
Date: Mon, 31 Aug 2009 10:12:00 -0700
Subject: ProGuard 4.4

---
 src/proguard/classfile/editor/ExceptionAdder.java | 65 +++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 src/proguard/classfile/editor/ExceptionAdder.java

(limited to 'src/proguard/classfile/editor/ExceptionAdder.java')

diff --git a/src/proguard/classfile/editor/ExceptionAdder.java b/src/proguard/classfile/editor/ExceptionAdder.java
new file mode 100644
index 0000000..1ccb1a6
--- /dev/null
+++ b/src/proguard/classfile/editor/ExceptionAdder.java
@@ -0,0 +1,65 @@
+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ *             of Java bytecode.
+ *
+ * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+package proguard.classfile.editor;
+
+import proguard.classfile.*;
+import proguard.classfile.attribute.ExceptionsAttribute;
+import proguard.classfile.constant.ClassConstant;
+import proguard.classfile.constant.visitor.ConstantVisitor;
+import proguard.classfile.util.SimplifiedVisitor;
+
+/**
+ * This ConstantVisitor adds all class constants that it visits to the given
+ * target exceptions attribute.
+ *
+ * @author Eric Lafortune
+ */
+public class ExceptionAdder
+extends      SimplifiedVisitor
+implements   ConstantVisitor
+{
+    private final ConstantAdder             constantAdder;
+    private final ExceptionsAttributeEditor exceptionsAttributeEditor;
+
+
+    /**
+     * Creates a new ExceptionAdder that will copy classes into the given
+     * target exceptions attribute.
+     */
+    public ExceptionAdder(ProgramClass        targetClass,
+                          ExceptionsAttribute targetExceptionsAttribute)
+    {
+        constantAdder             = new ConstantAdder(targetClass);
+        exceptionsAttributeEditor = new ExceptionsAttributeEditor(targetExceptionsAttribute);
+    }
+
+
+    // Implementations for ConstantVisitor.
+
+    public void visitClassConstant(Clazz clazz, ClassConstant classConstant)
+    {
+        // Add a class constant to the constant pool.
+        constantAdder.visitClassConstant(clazz, classConstant);
+
+        // Add the index of the class constant to the list of exceptions.
+        exceptionsAttributeEditor.addException(constantAdder.getConstantIndex());
+    }
+}
-- 
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