Merge pull request #62 from OpenModLoader/asm

ASM based class translator

1 files changed, 0 insertions, 85 deletions

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 57d60fd..0000000
--- a/src/main/java/cuchaz/enigma/bytecode/MethodParametersAttribute.java
+++ /dev/null
@@ -1,85 +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));
-                        }
-                }
-
-                // 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);
-                }
-        }
-}