1 files changed, 0 insertions, 115 deletions
diff --git a/src/proguard/optimize/peephole/GotoReturnReplacer.java b/src/proguard/optimize/peephole/GotoReturnReplacer.java
deleted file mode 100644
index aa8ed9f..0000000
--- a/src/proguard/optimize/peephole/GotoReturnReplacer.java
+++ /dev/null
@@ -1,115 +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.peephole;
-
-import proguard.classfile.*;
-import proguard.classfile.attribute.CodeAttribute;
-import proguard.classfile.editor.CodeAttributeEditor;
-import proguard.classfile.instruction.*;
-import proguard.classfile.instruction.visitor.InstructionVisitor;
-import proguard.classfile.util.SimplifiedVisitor;
-
-/**
- * This InstructionVisitor replaces unconditional branches to return instructions
- * by these same return instructions.
- *
- * @author Eric Lafortune
- */
-public class GotoReturnReplacer
-extends      SimplifiedVisitor
-implements   InstructionVisitor
-{
-    private final CodeAttributeEditor codeAttributeEditor;
-    private final InstructionVisitor  extraInstructionVisitor;
-
-
-    /**
-     * Creates a new GotoReturnReplacer.
-     * @param codeAttributeEditor     a code editor that can be used for
-     *                                accumulating changes to the code.
-     */
-    public GotoReturnReplacer(CodeAttributeEditor codeAttributeEditor)
-    {
-        this(codeAttributeEditor, null);
-    }
-
-
-    /**
-     * Creates a new GotoReturnReplacer.
-     * @param codeAttributeEditor     a code editor that can be used for
-     *                                accumulating changes to the code.
-     * @param extraInstructionVisitor an optional extra visitor for all replaced
-     *                                goto instructions.
-     */
-    public GotoReturnReplacer(CodeAttributeEditor codeAttributeEditor,
-                              InstructionVisitor  extraInstructionVisitor)
-    {
-        this.codeAttributeEditor     = codeAttributeEditor;
-        this.extraInstructionVisitor = extraInstructionVisitor;
-    }
-
-
-    // Implementations for InstructionVisitor.
-
-    public void visitAnyInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, Instruction instruction) {}
-
-
-    public void visitBranchInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, BranchInstruction branchInstruction)
-    {
-        // Check if the instruction is an unconditional goto instruction.
-        byte opcode = branchInstruction.opcode;
-        if (opcode == InstructionConstants.OP_GOTO ||
-            opcode == InstructionConstants.OP_GOTO_W)
-        {
-            // Check if the goto instruction points to a return instruction.
-            int targetOffset = offset + branchInstruction.branchOffset;
-
-            if (!codeAttributeEditor.isModified(offset) &&
-                !codeAttributeEditor.isModified(targetOffset))
-            {
-                Instruction targetInstruction = InstructionFactory.create(codeAttribute.code,
-                                                                          targetOffset);
-                switch (targetInstruction.opcode)
-                {
-                    case InstructionConstants.OP_IRETURN:
-                    case InstructionConstants.OP_LRETURN:
-                    case InstructionConstants.OP_FRETURN:
-                    case InstructionConstants.OP_DRETURN:
-                    case InstructionConstants.OP_ARETURN:
-                    case InstructionConstants.OP_RETURN:
-                        // Replace the goto instruction by the return instruction.
-                        Instruction returnInstruction =
-                             new SimpleInstruction(targetInstruction.opcode);
-                        codeAttributeEditor.replaceInstruction(offset,
-                                                               returnInstruction);
-
-                        // Visit the instruction, if required.
-                        if (extraInstructionVisitor != null)
-                        {
-                            extraInstructionVisitor.visitBranchInstruction(clazz, method, codeAttribute, offset, branchInstruction);
-                        }
-
-                        break;
-                }
-            }
-        }
-    }
-}