From 5390e6a1a2e2750b6e065cab4d4fbcdab477e9a3 Mon Sep 17 00:00:00 2001
From: jeff
Date: Sat, 17 Jan 2015 20:11:44 -0500
Subject: move BytecodeTools to m3l

---
 .../enigma/bytecode/BytecodeIndexIterator.java     | 151 ---------------------
 1 file changed, 151 deletions(-)
 delete mode 100644 src/cuchaz/enigma/bytecode/BytecodeIndexIterator.java

(limited to 'src/cuchaz/enigma/bytecode/BytecodeIndexIterator.java')

diff --git a/src/cuchaz/enigma/bytecode/BytecodeIndexIterator.java b/src/cuchaz/enigma/bytecode/BytecodeIndexIterator.java
deleted file mode 100644
index fc2bac3..0000000
--- a/src/cuchaz/enigma/bytecode/BytecodeIndexIterator.java
+++ /dev/null
@@ -1,151 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2014 Jeff Martin.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the GNU Public License v3.0
- * which accompanies this distribution, and is available at
- * http://www.gnu.org/licenses/gpl.html
- * 
- * Contributors:
- *     Jeff Martin - initial API and implementation
- ******************************************************************************/
-package cuchaz.enigma.bytecode;
-
-import java.util.Iterator;
-
-import javassist.bytecode.BadBytecode;
-import javassist.bytecode.Bytecode;
-import javassist.bytecode.CodeAttribute;
-import javassist.bytecode.CodeIterator;
-import javassist.bytecode.Opcode;
-
-public class BytecodeIndexIterator implements Iterator<BytecodeIndexIterator.Index> {
-	
-	public static class Index {
-		
-		private CodeIterator m_iter;
-		private int m_pos;
-		private boolean m_isWide;
-		
-		protected Index(CodeIterator iter, int pos, boolean isWide) {
-			m_iter = iter;
-			m_pos = pos;
-			m_isWide = isWide;
-		}
-		
-		public int getIndex() {
-			if (m_isWide) {
-				return m_iter.s16bitAt(m_pos);
-			} else {
-				return m_iter.byteAt(m_pos);
-			}
-		}
-		
-		public void setIndex(int val) throws BadBytecode {
-			if (m_isWide) {
-				m_iter.write16bit(val, m_pos);
-			} else {
-				if (val < 256) {
-					// we can write the byte
-					m_iter.writeByte(val, m_pos);
-				} else {
-					// we need to upgrade this instruction to LDC_W
-					assert (m_iter.byteAt(m_pos - 1) == Opcode.LDC);
-					m_iter.insertGap(m_pos - 1, 1);
-					m_iter.writeByte(Opcode.LDC_W, m_pos - 1);
-					m_iter.write16bit(val, m_pos);
-					m_isWide = true;
-					
-					// move the iterator to the next opcode
-					m_iter.move(m_pos + 2);
-				}
-			}
-			
-			// sanity check
-			assert (val == getIndex());
-		}
-		
-		public boolean isValid(Bytecode bytecode) {
-			return getIndex() >= 0 && getIndex() < bytecode.getConstPool().getSize();
-		}
-	}
-	
-	private Bytecode m_bytecode;
-	private CodeAttribute m_attribute;
-	private CodeIterator m_iter;
-	private Index m_next;
-	
-	public BytecodeIndexIterator(Bytecode bytecode) throws BadBytecode {
-		m_bytecode = bytecode;
-		m_attribute = bytecode.toCodeAttribute();
-		m_iter = m_attribute.iterator();
-		
-		m_next = getNext();
-	}
-	
-	@Override
-	public boolean hasNext() {
-		return m_next != null;
-	}
-	
-	@Override
-	public Index next() {
-		Index out = m_next;
-		try {
-			m_next = getNext();
-		} catch (BadBytecode ex) {
-			throw new Error(ex);
-		}
-		return out;
-	}
-	
-	@Override
-	public void remove() {
-		throw new UnsupportedOperationException();
-	}
-	
-	private Index getNext() throws BadBytecode {
-		while (m_iter.hasNext()) {
-			int pos = m_iter.next();
-			int opcode = m_iter.byteAt(pos);
-			switch (opcode) {
-				
-				// for only these opcodes, the next two bytes are a const pool reference
-				case Opcode.ANEWARRAY:
-				case Opcode.CHECKCAST:
-				case Opcode.INSTANCEOF:
-				case Opcode.INVOKEDYNAMIC:
-				case Opcode.INVOKEINTERFACE:
-				case Opcode.INVOKESPECIAL:
-				case Opcode.INVOKESTATIC:
-				case Opcode.INVOKEVIRTUAL:
-				case Opcode.LDC_W:
-				case Opcode.LDC2_W:
-				case Opcode.MULTIANEWARRAY:
-				case Opcode.NEW:
-				case Opcode.PUTFIELD:
-				case Opcode.PUTSTATIC:
-				case Opcode.GETFIELD:
-				case Opcode.GETSTATIC:
-					return new Index(m_iter, pos + 1, true);
-					
-				case Opcode.LDC:
-					return new Index(m_iter, pos + 1, false);
-			}
-		}
-		
-		return null;
-	}
-	
-	public Iterable<Index> indices() {
-		return new Iterable<Index>() {
-			@Override
-			public Iterator<Index> iterator() {
-				return BytecodeIndexIterator.this;
-			}
-		};
-	}
-	
-	public void saveChangesToBytecode() {
-		BytecodeTools.setBytecode(m_bytecode, m_attribute.getCode());
-	}
-}
-- 
cgit v1.2.3