1 files changed, 0 insertions, 179 deletions
diff --git a/src/proguard/classfile/instruction/BranchInstruction.java b/src/proguard/classfile/instruction/BranchInstruction.java
deleted file mode 100644
index 8099186..0000000
--- a/src/proguard/classfile/instruction/BranchInstruction.java
+++ /dev/null
@@ -1,179 +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.classfile.instruction;
-
-import proguard.classfile.*;
-import proguard.classfile.attribute.CodeAttribute;
-import proguard.classfile.instruction.visitor.InstructionVisitor;
-
-/**
- * This interface describes an instruction that branches to a given offset in
- * the code.
- *
- * @author Eric Lafortune
- */
-public class BranchInstruction extends Instruction
-{
-    public int branchOffset;
-
-
-    /**
-     * Creates an uninitialized BranchInstruction.
-     */
-    public BranchInstruction() {}
-
-
-    public BranchInstruction(byte opcode, int branchOffset)
-    {
-        this.opcode       = opcode;
-        this.branchOffset = branchOffset;
-    }
-
-
-    /**
-     * Copies the given instruction into this instruction.
-     * @param branchInstruction the instruction to be copied.
-     * @return this instruction.
-     */
-    public BranchInstruction copy(BranchInstruction branchInstruction)
-    {
-        this.opcode       = branchInstruction.opcode;
-        this.branchOffset = branchInstruction.branchOffset;
-
-        return this;
-    }
-
-
-    // Implementations for Instruction.
-
-    public byte canonicalOpcode()
-    {
-        // Remove the _w extension, if any.
-        switch (opcode)
-        {
-            case InstructionConstants.OP_GOTO_W: return InstructionConstants.OP_GOTO;
-
-            case InstructionConstants.OP_JSR_W: return InstructionConstants.OP_JSR;
-
-            default: return opcode;
-        }
-    }
-
-    public Instruction shrink()
-    {
-        // Do we need an ordinary branch or a wide branch?
-        if (requiredBranchOffsetSize() == 2)
-        {
-            // Can we replace the wide branch by an ordinary branch?
-            if      (opcode == InstructionConstants.OP_GOTO_W)
-            {
-                opcode = InstructionConstants.OP_GOTO;
-            }
-            else if (opcode == InstructionConstants.OP_JSR_W)
-            {
-                opcode = InstructionConstants.OP_JSR;
-            }
-        }
-        else
-        {
-            // Should we replace the ordinary branch by a wide branch?
-            if      (opcode == InstructionConstants.OP_GOTO)
-            {
-                opcode = InstructionConstants.OP_GOTO_W;
-            }
-            else if (opcode == InstructionConstants.OP_JSR)
-            {
-                opcode = InstructionConstants.OP_JSR_W;
-            }
-            else
-            {
-                throw new IllegalArgumentException("Branch instruction can't be widened ("+this.toString()+")");
-            }
-        }
-
-        return this;
-    }
-
-    protected void readInfo(byte[] code, int offset)
-    {
-        branchOffset = readSignedValue(code, offset, branchOffsetSize());
-    }
-
-
-    protected void writeInfo(byte[] code, int offset)
-    {
-        if (requiredBranchOffsetSize() > branchOffsetSize())
-        {
-            throw new IllegalArgumentException("Instruction has invalid branch offset size ("+this.toString(offset)+")");
-        }
-
-        writeSignedValue(code, offset, branchOffset, branchOffsetSize());
-    }
-
-
-    public int length(int offset)
-    {
-        return 1 + branchOffsetSize();
-    }
-
-
-    public void accept(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, InstructionVisitor instructionVisitor)
-    {
-        instructionVisitor.visitBranchInstruction(clazz, method, codeAttribute, offset, this);
-    }
-
-
-    public String toString(int offset)
-    {
-        return "["+offset+"] "+toString()+" (target="+(offset+branchOffset)+")";
-    }
-
-
-    // Implementations for Object.
-
-    public String toString()
-    {
-        return getName()+" "+(branchOffset >= 0 ? "+" : "")+branchOffset;
-    }
-
-
-    // Small utility methods.
-
-    /**
-     * Returns the branch offset size for this instruction.
-     */
-    private int branchOffsetSize()
-    {
-        return opcode == InstructionConstants.OP_GOTO_W ||
-               opcode == InstructionConstants.OP_JSR_W  ? 4 :
-                                                          2;
-    }
-
-
-    /**
-     * Computes the required branch offset size for this instruction's branch
-     * offset.
-     */
-    private int requiredBranchOffsetSize()
-    {
-        return (short)branchOffset == branchOffset ? 2 : 4;
-    }
-}