fabric-loom/src/main/java/net/fabricmc/loom/util/proccessing/MixinDevRemapper.java

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2.3 KiB
Java

package net.fabricmc.loom.util.proccessing;
import com.google.common.collect.BiMap;
import com.google.common.collect.HashBiMap;
import net.fabricmc.tinyremapper.TinyUtils;
import org.objectweb.asm.commons.Remapper;
import org.spongepowered.asm.mixin.extensibility.IRemapper;
import java.io.BufferedReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
public class MixinDevRemapper implements IRemapper {
private final BiMap<String, String> classMap = HashBiMap.create();
private final Map<TinyUtils.Mapping, TinyUtils.Mapping> fieldMap = new HashMap<>();
private final Map<TinyUtils.Mapping, TinyUtils.Mapping> methodMap = new HashMap<>();
private final SimpleClassMapper classMapper = new SimpleClassMapper(classMap);
private final SimpleClassMapper classUnmapper = new SimpleClassMapper(classMap.inverse());
private static class SimpleClassMapper extends Remapper {
final Map<String, String> classMap;
public SimpleClassMapper(Map<String, String> map) {
this.classMap = map;
}
public String map(String typeName) {
return this.classMap.getOrDefault(typeName, typeName);
}
}
public void readMapping(BufferedReader reader, String fromM, String toM) throws IOException {
TinyUtils.read(reader, fromM, toM, classMap::put, fieldMap::put, methodMap::put);
}
@Override
public String mapMethodName(String owner, String name, String desc) {
TinyUtils.Mapping mapping = methodMap.get(new TinyUtils.Mapping(owner, name, desc));
return mapping != null ? mapping.name : name;
}
@Override
public String mapFieldName(String owner, String name, String desc) {
TinyUtils.Mapping mapping = fieldMap.get(new TinyUtils.Mapping(owner, name, desc));
if(mapping == null){
//We try again using obfed names
owner = unmap(owner);
desc = unmapDesc(desc);
mapping = fieldMap.get(new TinyUtils.Mapping(owner, name, desc));
}
return mapping != null ? mapping.name : name;
}
@Override
public String map(String typeName) {
return classMap.getOrDefault(typeName, typeName);
}
@Override
public String unmap(String typeName) {
return classMap.inverse().getOrDefault(typeName, typeName);
}
@Override
public String mapDesc(String desc) {
return classMapper.mapDesc(desc);
}
@Override
public String unmapDesc(String desc) {
return classUnmapper.mapDesc(desc);
}
}