From 2b2249e873c4adfd2dd6e8f1f2489ccd9f6aa021 Mon Sep 17 00:00:00 2001
From: gegy1000
Date: Sat, 19 May 2018 17:02:46 +0200
Subject: Initial port to ASM

---
 .../enigma/bytecode/MethodParametersAttribute.java | 87 ----------------------
 1 file changed, 87 deletions(-)
 delete mode 100644 src/main/java/cuchaz/enigma/bytecode/MethodParametersAttribute.java

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

diff --git a/src/main/java/cuchaz/enigma/bytecode/MethodParametersAttribute.java b/src/main/java/cuchaz/enigma/bytecode/MethodParametersAttribute.java
deleted file mode 100644
index 3f819ab..0000000
--- a/src/main/java/cuchaz/enigma/bytecode/MethodParametersAttribute.java
+++ /dev/null
@@ -1,87 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2015 Jeff Martin.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the GNU Lesser General Public
- * License v3.0 which accompanies this distribution, and is available at
- * http://www.gnu.org/licenses/lgpl.html
- * <p>
- * Contributors:
- * Jeff Martin - initial API and implementation
- ******************************************************************************/
-
-package cuchaz.enigma.bytecode;
-
-import javassist.bytecode.AttributeInfo;
-import javassist.bytecode.ConstPool;
-import javassist.bytecode.MethodInfo;
-
-import java.io.ByteArrayOutputStream;
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-
-public class MethodParametersAttribute extends AttributeInfo {
-
-	private MethodParametersAttribute(ConstPool pool, List<Integer> parameterNameIndices) {
-		super(pool, "MethodParameters", writeStruct(parameterNameIndices));
-	}
-
-	public static void updateClass(MethodInfo info, List<String> names) {
-
-		// add the names to the class const pool
-		ConstPool constPool = info.getConstPool();
-		List<Integer> parameterNameIndices = new ArrayList<>();
-		for (String name : names) {
-			if (name != null) {
-				parameterNameIndices.add(constPool.addUtf8Info(name));
-			} else {
-				parameterNameIndices.add(0);
-			}
-		}
-
-		// add the attribute to the method
-		info.addAttribute(new MethodParametersAttribute(constPool, parameterNameIndices));
-	}
-
-	private static byte[] writeStruct(List<Integer> parameterNameIndices) {
-		// JVM 8 Spec says the struct looks like this:
-		// http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.7.24
-		// uint8 num_params
-		// for each param:
-		// uint16 name_index -> points to UTF8 entry in constant pool, or 0 for no entry
-		// uint16 access_flags -> don't care, just set to 0
-
-		ByteArrayOutputStream buf = new ByteArrayOutputStream();
-		DataOutputStream out = new DataOutputStream(buf);
-
-		// NOTE: java hates unsigned integers, so we have to be careful here
-		// the writeShort(), writeByte() methods will read 16,8 low-order bits from the int argument
-		// as long as the int argument is in range of the unsigned short/byte type, it will be written as an unsigned short/byte
-		// if the int is out of range, the byte stream won't look the way we want and weird things will happen
-		final int SIZEOF_UINT8 = 1;
-		final int SIZEOF_UINT16 = 2;
-		final int MAX_UINT8 = (1 << 8) - 1;
-		final int MAX_UINT16 = (1 << 16) - 1;
-
-		try {
-			assert (parameterNameIndices.size() >= 0 && parameterNameIndices.size() <= MAX_UINT8);
-			out.writeByte(parameterNameIndices.size());
-
-			for (Integer index : parameterNameIndices) {
-				assert (index >= 0 && index <= MAX_UINT16);
-				out.writeShort(index);
-
-				// just write 0 for the access flags
-				out.writeShort(0);
-			}
-
-			out.close();
-			byte[] data = buf.toByteArray();
-			assert (data.length == SIZEOF_UINT8 + parameterNameIndices.size() * (SIZEOF_UINT16 + SIZEOF_UINT16));
-			return data;
-		} catch (IOException ex) {
-			throw new Error(ex);
-		}
-	}
-}
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