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+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ * of Java bytecode.
+ *
+ * Copyright (c) 2002-2014 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.*;
+import proguard.classfile.attribute.annotation.*;
+import proguard.classfile.attribute.annotation.visitor.*;
+import proguard.classfile.attribute.preverification.*;
+import proguard.classfile.attribute.preverification.visitor.*;
+import proguard.classfile.attribute.visitor.*;
+import proguard.classfile.constant.*;
+import proguard.classfile.constant.visitor.ConstantVisitor;
+import proguard.classfile.instruction.*;
+import proguard.classfile.instruction.visitor.InstructionVisitor;
+import proguard.classfile.util.SimplifiedVisitor;
+import proguard.classfile.visitor.*;
+
+/**
+ * This ConstantVisitor remaps all possible indices of bootstrap methods
+ * of the constants that it visits, based on a given index map.
+ *
+ * @author Eric Lafortune
+ */
+public class BootstrapMethodRemapper
+extends SimplifiedVisitor
+implements ConstantVisitor
+{
+ private int[] constantIndexMap;
+
+
+ /**
+ * Sets the given mapping of old constant pool entry indexes to their new
+ * indexes.
+ */
+ public void setConstantIndexMap(int[] constantIndexMap)
+ {
+ this.constantIndexMap = constantIndexMap;
+ }
+
+
+ // Implementations for ConstantVisitor.
+
+ public void visitAnyConstant(Clazz clazz, Constant constant) {}
+
+
+ public void visitInvokeDynamicConstant(Clazz clazz, InvokeDynamicConstant invokeDynamicConstant)
+ {
+ invokeDynamicConstant.u2bootstrapMethodAttributeIndex =
+ remapConstantIndex(invokeDynamicConstant.u2bootstrapMethodAttributeIndex);
+ }
+
+
+ // Small utility methods.
+
+ /**
+ * Returns the new bootstrap method index of the entry at the
+ * given index.
+ */
+ private int remapConstantIndex(int constantIndex)
+ {
+ int remappedConstantIndex = constantIndexMap[constantIndex];
+ if (remappedConstantIndex < 0)
+ {
+ throw new IllegalArgumentException("Can't remap constant index ["+constantIndex+"]");
+ }
+
+ return remappedConstantIndex;
+ }
+}