1 files changed, 83 insertions, 0 deletions
diff --git a/src/proguard/classfile/instruction/SwitchInstruction.java b/src/proguard/classfile/instruction/SwitchInstruction.java
new file mode 100644
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+++ b/src/proguard/classfile/instruction/SwitchInstruction.java
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+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ *             of Java bytecode.
+ *
+ * Copyright (c) 2002-2009 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;
+
+/**
+ * This Instruction represents a simple instruction without variable arguments
+ * or constant pool references.
+ *
+ * @author Eric Lafortune
+ */
+public abstract class SwitchInstruction extends Instruction
+{
+    public int   defaultOffset;
+    public int[] jumpOffsets;
+
+
+    /**
+     * Creates an uninitialized SwitchInstruction.
+     */
+    public SwitchInstruction() {}
+
+
+    /**
+     * Creates a new SwitchInstruction with the given arguments.
+     */
+    public SwitchInstruction(byte  opcode,
+                             int   defaultOffset,
+                             int[] jumpOffsets)
+    {
+        this.opcode        = opcode;
+        this.defaultOffset = defaultOffset;
+        this.jumpOffsets   = jumpOffsets;
+    }
+
+
+    /**
+     * Copies the given instruction into this instruction.
+     * @param switchInstruction the instruction to be copied.
+     * @return this instruction.
+     */
+    public SwitchInstruction copy(SwitchInstruction switchInstruction)
+    {
+        this.opcode        = switchInstruction.opcode;
+        this.defaultOffset = switchInstruction.defaultOffset;
+        this.jumpOffsets   = switchInstruction.jumpOffsets;
+
+        return this;
+    }
+
+
+    // Implementations for Instruction.
+
+    public String toString(int offset)
+    {
+        return "["+offset+"] "+toString()+" (target="+(offset+defaultOffset)+")";
+    }
+
+
+    // Implementations for Object.
+
+    public String toString()
+    {
+        return getName()+" ("+jumpOffsets.length+" offsets, default="+defaultOffset+")";
+    }
+}