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Commit 803870e

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Lenni0451Lenni0451
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Added more method call replacers
1 parent 670f7fa commit 803870e

5 files changed

Lines changed: 158 additions & 0 deletions

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‎src/main/java/net/raphimc/javadowngrader/transformer/j10/Java11ToJava10.java‎

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@@ -43,6 +43,9 @@ public Java11ToJava10() {
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this.addMethodCallReplacer(Opcodes.INVOKEINTERFACE, "java/util/List", "toArray", "(Ljava/util/function/IntFunction;)[Ljava/lang/Object;", new ListToArrayMCR());
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this.addMethodCallReplacer(Opcodes.INVOKESTATIC, "java/lang/Character", "toString", "(I)Ljava/lang/String;", new CharacterToStringMCR());
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this.addMethodCallReplacer(Opcodes.INVOKEVIRTUAL, "java/util/zip/Inflater", "setInput", "(Ljava/nio/ByteBuffer;)V", new InflaterSetInputMCR());
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this.addMethodCallReplacer(Opcodes.INVOKEVIRTUAL, "java/util/zip/Inflater", "inflate", "(Ljava/nio/ByteBuffer;)I", new InflaterInflateMCR());
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}
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@Override

‎src/main/java/net/raphimc/javadowngrader/transformer/j10/methodcallreplacer/InflaterInflateMCR.java‎

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/*
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* This file is part of JavaDowngrader - https://github.com/RaphiMC/JavaDowngrader
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* Copyright (C) 2023 RK_01/RaphiMC and contributors
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package net.raphimc.javadowngrader.transformer.j10.methodcallreplacer;
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import net.raphimc.javadowngrader.RuntimeDepCollector;
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import net.raphimc.javadowngrader.transformer.MethodCallReplacer;
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import org.objectweb.asm.Opcodes;
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import org.objectweb.asm.tree.*;
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public class InflaterInflateMCR implements MethodCallReplacer {
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@Override
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public InsnList getReplacement(ClassNode classNode, MethodNode method, String originalName, String originalDesc, RuntimeDepCollector depCollector) {
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final InsnList replacement = new InsnList();
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// Inflater ByteBuffer
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replacement.add(new InsnNode(Opcodes.DUP));
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// Inflater ByteBuffer ByteBuffer
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replacement.add(new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "java/nio/ByteBuffer", "remaining", "()I"));
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// Inflater ByteBuffer int
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replacement.add(new IntInsnNode(Opcodes.NEWARRAY, Opcodes.T_BYTE));
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// Inflater ByteBuffer byte[]
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replacement.add(new InsnNode(Opcodes.DUP2_X1));
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// ByteBuffer byte[] Inflater ByteBuffer byte[]
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replacement.add(new InsnNode(Opcodes.POP2));
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// ByteBuffer byte[] Inflater
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replacement.add(new InsnNode(Opcodes.SWAP));
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// ByteBuffer Inflater byte[]
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replacement.add(new InsnNode(Opcodes.DUP_X1));
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// ByteBuffer byte[] Inflater byte[]
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replacement.add(new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "java/util/zip/Inflater", "inflate", "([B)I"));
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// ByteBuffer byte[] int
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replacement.add(new InsnNode(Opcodes.DUP_X2));
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// int ByteBuffer byte[] int
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replacement.add(new InsnNode(Opcodes.ICONST_0));
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// int ByteBuffer byte[] int int(0)
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replacement.add(new InsnNode(Opcodes.SWAP));
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// int ByteBuffer byte[] int(0) int
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replacement.add(new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "java/nio/ByteBuffer", "put", "([BII)Ljava/nio/ByteBuffer;"));
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// int ByteBuffer
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replacement.add(new InsnNode(Opcodes.POP));
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// int
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return replacement;
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}
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}

‎src/main/java/net/raphimc/javadowngrader/transformer/j10/methodcallreplacer/InflaterSetInputMCR.java‎

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/*
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* This file is part of JavaDowngrader - https://github.com/RaphiMC/JavaDowngrader
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* Copyright (C) 2023 RK_01/RaphiMC and contributors
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package net.raphimc.javadowngrader.transformer.j10.methodcallreplacer;
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import net.raphimc.javadowngrader.RuntimeDepCollector;
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import net.raphimc.javadowngrader.transformer.MethodCallReplacer;
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import org.objectweb.asm.Opcodes;
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import org.objectweb.asm.tree.*;
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public class InflaterSetInputMCR implements MethodCallReplacer {
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@Override
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public InsnList getReplacement(ClassNode classNode, MethodNode method, String originalName, String originalDesc, RuntimeDepCollector depCollector) {
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final InsnList replacement = new InsnList();
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// Inflater ByteBuffer
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replacement.add(new InsnNode(Opcodes.DUP));
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// Inflater ByteBuffer ByteBuffer
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replacement.add(new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "java/nio/ByteBuffer", "remaining", "()I"));
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// Inflater ByteBuffer int
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replacement.add(new IntInsnNode(Opcodes.NEWARRAY, Opcodes.T_BYTE));
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// Inflater ByteBuffer byte[]
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replacement.add(new InsnNode(Opcodes.DUP_X1));
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// Inflater byte[] ByteBuffer byte[]
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replacement.add(new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "java/nio/ByteBuffer", "get", "([B)Ljava/nio/ByteBuffer;"));
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// Inflater byte[] ByteBuffer
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replacement.add(new InsnNode(Opcodes.POP));
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// Inflater byte[]
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replacement.add(new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "java/util/zip/Inflater", "setInput", "([B)V"));
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return replacement;
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}
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}

‎src/main/java/net/raphimc/javadowngrader/transformer/j9/Java10ToJava9.java‎

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@@ -37,6 +37,8 @@ public Java10ToJava9() {
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this.addMethodCallReplacer(Opcodes.INVOKESTATIC, "java/io/Reader", "transferTo", new ReaderTransferToMCR());
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this.addMethodCallReplacer(Opcodes.INVOKEVIRTUAL, "java/util/Optional", "orElseThrow", "()Ljava/lang/Object;", new OptionalOrElseThrowMCR());
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this.addMethodCallReplacer(Opcodes.INVOKESTATIC, "java/net/URLEncoder", "encode", "(Ljava/lang/String;Ljava/nio/charset/Charset;)Ljava/lang/String;", new URLEncoderEncodeMCR());
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}
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}

‎src/main/java/net/raphimc/javadowngrader/transformer/j9/methodcallreplacer/URLEncoderEncodeMCR.java‎

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/*
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* This file is part of JavaDowngrader - https://github.com/RaphiMC/JavaDowngrader
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* Copyright (C) 2023 RK_01/RaphiMC and contributors
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package net.raphimc.javadowngrader.transformer.j9.methodcallreplacer;
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import net.raphimc.javadowngrader.RuntimeDepCollector;
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import net.raphimc.javadowngrader.transformer.MethodCallReplacer;
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import org.objectweb.asm.Opcodes;
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import org.objectweb.asm.tree.ClassNode;
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import org.objectweb.asm.tree.InsnList;
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import org.objectweb.asm.tree.MethodInsnNode;
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import org.objectweb.asm.tree.MethodNode;
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public class URLEncoderEncodeMCR implements MethodCallReplacer {
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@Override
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public InsnList getReplacement(ClassNode classNode, MethodNode methodNode, String originalName, String originalDesc, RuntimeDepCollector depCollector) {
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final InsnList replacement = new InsnList();
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// String Charset
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replacement.add(new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "java/nio/charset/Charset", "name", "()Ljava/lang/String;"));
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// String String
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replacement.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "java/net/URLEncoder", "encode", "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;"));
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return replacement;
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}
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}

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