1 files changed, 60 insertions, 0 deletions
diff --git a/src/proguard/classfile/constant/visitor/MethodrefTraveler.java b/src/proguard/classfile/constant/visitor/MethodrefTraveler.java
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--- /dev/null
+++ b/src/proguard/classfile/constant/visitor/MethodrefTraveler.java
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+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ *             of Java bytecode.
+ *
+ * Copyright (c) 2002-2011 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.constant.visitor;
+
+import proguard.classfile.Clazz;
+import proguard.classfile.attribute.*;
+import proguard.classfile.constant.*;
+import proguard.classfile.util.SimplifiedVisitor;
+
+/**
+ * This ConstantVisitor travels from any method handle constants that it visits
+ * to their methodref constants, and applies a given constant visitor.
+ *
+ * @author Eric Lafortune
+ */
+public class MethodrefTraveler
+extends      SimplifiedVisitor
+implements   ConstantVisitor
+{
+    private ConstantVisitor methodrefConstantVisitor;
+
+
+    /**
+     * Creates a new v that will delegate to the given constant visitor.
+     */
+    public MethodrefTraveler(ConstantVisitor methodrefConstantVisitor)
+    {
+        this.methodrefConstantVisitor = methodrefConstantVisitor;
+    }
+
+
+    // Implementations for ConstantVisitor.
+
+    public void visitAnyConstant(Clazz clazz, Constant constant) {}
+
+
+    public void visitMethodHandleConstant(Clazz clazz, MethodHandleConstant methodHandleConstant)
+    {
+        clazz.constantPoolEntryAccept(methodHandleConstant.u2referenceIndex,
+                                      methodrefConstantVisitor);
+    }
+}