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/*
* This file is part of fabric-loom, licensed under the MIT License (MIT).
*
* Copyright (c) 2021 FabricMC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package net.fabricmc.loom.util;
import java.io.File;
import java.io.IOException;
import java.nio.file.Path;
import java.util.Map;
import java.util.function.Consumer;
import java.util.regex.Pattern;
import com.google.common.collect.ImmutableMap;
import org.gradle.api.Project;
import net.fabricmc.loom.LoomGradleExtension;
import net.fabricmc.loom.api.mappings.layered.MappingsNamespace;
import net.fabricmc.mappingio.tree.MappingTree;
import net.fabricmc.mappingio.tree.MemoryMappingTree;
import net.fabricmc.tinyremapper.IMappingProvider;
import net.fabricmc.tinyremapper.TinyRemapper;
/**
* Contains shortcuts to create tiny remappers using the mappings accessibly to the project.
*/
public final class TinyRemapperHelper {
private static final Map<String, String> JSR_TO_JETBRAINS = new ImmutableMap.Builder<String, String>()
.put("javax/annotation/Nullable", "org/jetbrains/annotations/Nullable")
.put("javax/annotation/Nonnull", "org/jetbrains/annotations/NotNull")
.put("javax/annotation/concurrent/Immutable", "org/jetbrains/annotations/Unmodifiable")
.build();
/**
* Matches the new local variable naming format introduced in 21w37a.
*/
private static final Pattern MC_LV_PATTERN = Pattern.compile("\\$\\$\\d+");
private TinyRemapperHelper() {
}
public static TinyRemapper getTinyRemapper(Project project, String fromM, String toM) throws IOException {
return getTinyRemapper(project, fromM, toM, false, (builder) -> { });
}
public static TinyRemapper getTinyRemapper(Project project, String fromM, String toM, boolean fixRecords, Consumer<TinyRemapper.Builder> builderConsumer) throws IOException {
LoomGradleExtension extension = LoomGradleExtension.get(project);
MemoryMappingTree mappingTree = extension.getMappingsProvider().getMappings();
if (fixRecords && !mappingTree.getSrcNamespace().equals(fromM)) {
throw new IllegalStateException("Mappings src namespace must match remap src namespace");
}
int intermediaryNsId = mappingTree.getNamespaceId(MappingsNamespace.INTERMEDIARY.toString());
TinyRemapper.Builder builder = TinyRemapper.newRemapper()
.withMappings(create(mappingTree, fromM, toM, true))
.withMappings(out -> JSR_TO_JETBRAINS.forEach(out::acceptClass))
.renameInvalidLocals(true)
.rebuildSourceFilenames(true)
.invalidLvNamePattern(MC_LV_PATTERN)
.inferNameFromSameLvIndex(true)
.extraPreApplyVisitor((cls, next) -> {
if (fixRecords && !cls.isRecord() && "java/lang/Record".equals(cls.getSuperName())) {
return new RecordComponentFixVisitor(next, mappingTree, intermediaryNsId);
}
return next;
});
builderConsumer.accept(builder);
return builder.build();
}
public static Path[] getMinecraftDependencies(Project project) {
return project.getConfigurations().getByName(Constants.Configurations.MINECRAFT_DEPENDENCIES).getFiles()
.stream().map(File::toPath).toArray(Path[]::new);
}
private static IMappingProvider.Member memberOf(String className, String memberName, String descriptor) {
return new IMappingProvider.Member(className, memberName, descriptor);
}
public static IMappingProvider create(MappingTree mappings, String from, String to, boolean remapLocalVariables) {
return (acceptor) -> {
for (MappingTree.ClassMapping classDef : mappings.getClasses()) {
String className = classDef.getName(from);
acceptor.acceptClass(className, classDef.getName(to));
for (MappingTree.FieldMapping field : classDef.getFields()) {
acceptor.acceptField(memberOf(className, field.getName(from), field.getDesc(from)), field.getName(to));
}
for (MappingTree.MethodMapping method : classDef.getMethods()) {
IMappingProvider.Member methodIdentifier = memberOf(className, method.getName(from), method.getDesc(from));
acceptor.acceptMethod(methodIdentifier, method.getName(to));
if (remapLocalVariables) {
for (MappingTree.MethodArgMapping parameter : method.getArgs()) {
String name = parameter.getName(to);
if (name == null) {
continue;
}
acceptor.acceptMethodArg(methodIdentifier, parameter.getLvIndex(), name);
}
for (MappingTree.MethodVarMapping localVariable : method.getVars()) {
acceptor.acceptMethodVar(methodIdentifier, localVariable.getLvIndex(),
localVariable.getStartOpIdx(), localVariable.getLvtRowIndex(),
localVariable.getName(to));
}
}
}
}
};
}
}
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