ProGuard 4.4

1 files changed, 62 insertions, 0 deletions

diff --git a/src/proguard/classfile/visitor/ExceptionHandlerConstantVisitor.java b/src/proguard/classfile/visitor/ExceptionHandlerConstantVisitor.java
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+++ b/src/proguard/classfile/visitor/ExceptionHandlerConstantVisitor.java
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+/*
+ * 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.visitor;
+
+import proguard.classfile.*;
+import proguard.classfile.constant.visitor.ConstantVisitor;
+import proguard.classfile.attribute.*;
+import proguard.classfile.attribute.visitor.ExceptionInfoVisitor;
+
+/**
+ * This <code>ExceptionInfoVisitor</code> lets a given
+ * <code>ConstantVisitor</code> visit all catch class constants of exceptions
+ * that it visits.
+ *
+ * @author Eric Lafortune
+ */
+public class ExceptionHandlerConstantVisitor
+implements   ExceptionInfoVisitor
+{
+    private final ConstantVisitor constantVisitor;
+
+
+    /**
+     * Creates a new ExceptionHandlerConstantVisitor.
+     * @param constantVisitor the ConstantVisitor that will visit the catch
+     *                        class constants.
+     */
+    public ExceptionHandlerConstantVisitor(ConstantVisitor constantVisitor)
+    {
+        this.constantVisitor = constantVisitor;
+    }
+
+
+    // Implementations for ExceptionInfoVisitor.
+
+    public void visitExceptionInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, ExceptionInfo exceptionInfo)
+    {
+        int catchType = exceptionInfo.u2catchType;
+        if (catchType != 0)
+        {
+            clazz.constantPoolEntryAccept(catchType, constantVisitor);
+        }
+    }
+}
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