1 files changed, 0 insertions, 96 deletions
diff --git a/src/proguard/optimize/info/VariableUsageMarker.java b/src/proguard/optimize/info/VariableUsageMarker.java
deleted file mode 100644
index 1d3c04a..0000000
--- a/src/proguard/optimize/info/VariableUsageMarker.java
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * 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.optimize.info;
-
-import proguard.classfile.*;
-import proguard.classfile.attribute.*;
-import proguard.classfile.attribute.visitor.AttributeVisitor;
-import proguard.classfile.instruction.*;
-import proguard.classfile.instruction.visitor.InstructionVisitor;
-import proguard.classfile.util.SimplifiedVisitor;
-
-import java.util.Arrays;
-
-/**
- * This AttributeVisitor marks the local variables that are used in the code
- * attributes that it visits.
- *
- * @author Eric Lafortune
- */
-public class VariableUsageMarker
-extends      SimplifiedVisitor
-implements   AttributeVisitor,
-             InstructionVisitor
-{
-    private boolean[] variableUsed = new boolean[ClassConstants.TYPICAL_VARIABLES_SIZE];
-
-
-    /**
-     * Returns whether the given variable has been marked as being used.
-     */
-    public boolean isVariableUsed(int variableIndex)
-    {
-        return variableUsed[variableIndex];
-    }
-
-
-    // Implementations for AttributeVisitor.
-
-    public void visitAnyAttribute(Clazz clazz, Attribute attribute) {}
-
-
-    public void visitCodeAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute)
-    {
-        int maxLocals = codeAttribute.u2maxLocals;
-
-        // Try to reuse the previous array.
-        if (variableUsed.length < maxLocals)
-        {
-            // Create a new array.
-            variableUsed = new boolean[maxLocals];
-        }
-        else
-        {
-            // Reset the array.
-            Arrays.fill(variableUsed, 0, maxLocals, false);
-        }
-
-        codeAttribute.instructionsAccept(clazz, method, this);
-    }
-
-
-    // Implementations for InstructionVisitor.
-
-    public void visitAnyInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, Instruction instruction) {}
-
-
-    public void visitVariableInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, VariableInstruction variableInstruction)
-    {
-        // Mark the variable.
-        variableUsed[variableInstruction.variableIndex] = true;
-
-        // Account for Category 2 instructions, which take up two entries.
-        if (variableInstruction.isCategory2())
-        {
-            variableUsed[variableInstruction.variableIndex + 1] = true;
-        }
-    }
-}