Inital work on mixin prebaker, old code taken from fabric-base

dev/0.11
modmuss50 2018-05-15 11:54:40 +01:00
parent 24e3a3fb7d
commit d13f33d0f3
3 changed files with 257 additions and 2 deletions

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@ -54,6 +54,9 @@ dependencies {
shade 'cuchaz:enigma:0.11.0.+:lib'
shade 'net.fabricmc:tiny-remapper:+'
shade ('net.minecraft:launchwrapper:1.12') {
transitive = false
}
//Always fun when your dep needs the tool to build, but the tool needs the dep.
//compile 'net.fabricmc:fabric-base:16w38a-0.0.4-SNAPSHOT'

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@ -0,0 +1,253 @@
/*
* Copyright 2016 FabricMC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.fabricmc.loom.util.proccessing;
import com.google.common.base.Charsets;
import com.google.common.io.ByteStreams;
import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import net.minecraft.launchwrapper.Launch;
import net.minecraft.launchwrapper.LaunchClassLoader;
import org.objectweb.asm.*;
import org.spongepowered.asm.launch.GlobalProperties;
import org.spongepowered.asm.mixin.EnvironmentStateTweaker;
import org.spongepowered.asm.mixin.transformer.MixinTransformer;
import org.spongepowered.asm.service.mojang.MixinServiceLaunchWrapper;
import javax.annotation.Nonnull;
import java.io.*;
import java.net.URLClassLoader;
import java.nio.file.Files;
import java.nio.file.attribute.FileTime;
import java.time.Instant;
import java.util.*;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.jar.JarInputStream;
import java.util.jar.JarOutputStream;
import java.util.stream.Collectors;
import java.util.zip.ZipEntry;
/**
* The purpose of this class is to provide an utility for baking mixins from
* mods into a JAR file at compile time to make accessing APIs provided by them
* more intuitive in development environment.
*/
public class MixinPrebaker {
private static class DesprinklingFieldVisitor extends FieldVisitor {
public DesprinklingFieldVisitor(int api, FieldVisitor fv) {
super(api, fv);
}
@Override
public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
if (isSprinkledAnnotation(desc)) {
return null;
}
return super.visitAnnotation(desc, visible);
}
}
private static class DesprinklingMethodVisitor extends MethodVisitor {
public DesprinklingMethodVisitor(int api, MethodVisitor mv) {
super(api, mv);
}
@Override
public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
if (isSprinkledAnnotation(desc)) {
return null;
}
return super.visitAnnotation(desc, visible);
}
}
private static class DesprinklingClassVisitor extends ClassVisitor {
public DesprinklingClassVisitor(int api, ClassVisitor cv) {
super(api, cv);
}
@Override
public FieldVisitor visitField(int access, String name, String desc, String signature, Object value) {
return new DesprinklingFieldVisitor(Opcodes.ASM5, super.visitField(access, name, desc, signature, value));
}
@Override
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
return new DesprinklingMethodVisitor(Opcodes.ASM5, super.visitMethod(access, name, desc, signature, exceptions));
}
@Override
public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
if (isSprinkledAnnotation(desc)) {
return null;
}
return super.visitAnnotation(desc, visible);
}
}
private static boolean isSprinkledAnnotation(String desc) {
//System.out.println(desc);
return desc.startsWith("Lorg/spongepowered/asm/mixin/transformer/meta");
}
// Term proposed by Mumfrey, don't blame me
public static byte[] desprinkle(byte[] cls) {
ClassReader reader = new ClassReader(cls);
ClassWriter writer = new ClassWriter(0);
reader.accept(new DesprinklingClassVisitor(Opcodes.ASM5, writer), 0);
return writer.toByteArray();
}
public static final String APPLIED_MIXIN_CONFIGS_FILENAME = ".oml-applied-mixin-configs";
public static final String MAPPINGS_FILENAME = ".oml-dev-mappings.tiny";
public static void main(String[] args) {
boolean hasMappingsFile = false;
if (args.length < 3) {
System.out.println("usage: MixinPrebaker [-m mapping-file] <input-jar> <output-jar> <mod-jars...>");
return;
}
File mappingsFile = null;
int argOffset;
for (argOffset = 0; argOffset < args.length; argOffset++) {
if ("-m".equals(args[argOffset])) {
hasMappingsFile = true;
mappingsFile = new File(args[++argOffset]);
//TODO this is prob what was handling the mixin remmapping, this may need to be added back
//FabricMixinBootstrap.setMappingFile();
} else {
break;
}
}
Set<File> modFiles = new HashSet<>();
for (int i = argOffset + 2; i < args.length; i++) {
modFiles.add(new File(args[i]));
}
URLClassLoader ucl = (URLClassLoader) MixinPrebaker.class.getClassLoader();
Launch.classLoader = new LaunchClassLoader(ucl.getURLs());
Launch.blackboard = new HashMap<>();
Launch.blackboard.put(MixinServiceLaunchWrapper.BLACKBOARD_KEY_TWEAKS, Collections.emptyList());
List<JsonObject> modInfo = findModInfo(modFiles);
List<JsonObject> mods = new ArrayList<>();
for(JsonObject modInfoJson : modInfo){
if(!modInfoJson.isJsonArray()){
continue;
}
JsonArray jsonArray = modInfoJson.getAsJsonArray();
for (int i = 0; i < jsonArray.size(); i++) {
mods.add(jsonArray.get(i).getAsJsonObject());
}
}
List<String> mixins = new ArrayList<>();
for(JsonObject modObject : mods){
mixins.addAll(findMixins(modObject.getAsJsonArray("mixins")));
mixins.addAll(findMixins(modObject.getAsJsonArray("clientMixins")));
mixins.addAll(findMixins(modObject.getAsJsonArray("serverMixins")));
}
System.out.println("Found " + mixins.size() + " mixins to pre bake");
EnvironmentStateTweaker tweaker = new EnvironmentStateTweaker();
tweaker.getLaunchArguments();
tweaker.injectIntoClassLoader(Launch.classLoader);
MixinTransformer mixinTransformer = GlobalProperties.get(GlobalProperties.Keys.TRANSFORMER);
try {
JarInputStream input = new JarInputStream(new FileInputStream(new File(args[argOffset + 0])));
JarOutputStream output = new JarOutputStream(new FileOutputStream(new File(args[argOffset + 1])));
JarEntry entry;
while ((entry = input.getNextJarEntry()) != null) {
if (entry.getName().equals(APPLIED_MIXIN_CONFIGS_FILENAME)) {
continue;
}
if (hasMappingsFile && entry.getName().equals(MAPPINGS_FILENAME)) {
continue;
}
if (entry.getName().endsWith(".class")) {
byte[] classIn = ByteStreams.toByteArray(input);
String className = entry.getName().substring(0, entry.getName().length() - 6).replace('/', '.');
byte[] classOut = mixinTransformer.transformClassBytes(className, className, classIn);
if (classIn != classOut) {
System.out.println("Transformed " + className);
classOut = desprinkle(classOut);
}
JarEntry newEntry = new JarEntry(entry.getName());
newEntry.setComment(entry.getComment());
newEntry.setSize(classOut.length);
newEntry.setLastModifiedTime(FileTime.from(Instant.now()));
output.putNextEntry(newEntry);
output.write(classOut);
} else {
output.putNextEntry(entry);
ByteStreams.copy(input, output);
}
}
output.putNextEntry(new JarEntry(APPLIED_MIXIN_CONFIGS_FILENAME));
output.write(String.join("\n", mixins).getBytes(Charsets.UTF_8));
if (hasMappingsFile) {
output.putNextEntry(new JarEntry(MAPPINGS_FILENAME));
Files.copy(mappingsFile.toPath(), output);
}
input.close();
output.close();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
private static List<String> findMixins(JsonArray jsonArray){
if(jsonArray == null || jsonArray.size() == 0){
return Collections.emptyList();
}
List<String> mixinList = new ArrayList<>();
for (int i = 0; i < jsonArray.size(); i++) {
mixinList.add(jsonArray.get(i).getAsString());
}
return mixinList;
}
private static List<JsonObject> findModInfo(Set<File> mods){
return mods.stream().map(file -> {
try {
JarFile jar = new JarFile(file);
return readModInfoFromJar(jar);
} catch (IOException e) {
throw new RuntimeException("Failed to mod " + file.getName(), e);
}
}).collect(Collectors.toList());
}
private static JsonObject readModInfoFromJar(@Nonnull JarFile file) throws IOException {
Gson gson = new Gson();
ZipEntry entry = file.getEntry("mod.json");
if (entry == null)
return null;
return gson.fromJson(new InputStreamReader(file.getInputStream(entry)), JsonObject.class);
}
}

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@ -46,8 +46,7 @@ public class PreBakeMixins {
}
project.getLogger().lifecycle(":preBaking mixins");
ProcessModsTask.addFile(Constants.MINECRAFT_MAPPED_JAR.get(extension), this);
//LogManager.getFormatterLogger("test");
// MixinPrebaker.main(args);
MixinPrebaker.main(args);
}
}