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Add type info to properly deobfuscate overloaded fields. Fixes #210.

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This commit is contained in:
Agaricus 2013-04-14 15:02:26 -07:00
parent 0a1f3e3150
commit 03bc9cf00a
1 changed files with 31 additions and 2 deletions
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33
fml/common/cpw/mods/fml/common/asm/transformers/deobf/FMLDeobfuscatingRemapper.java
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@ -49,6 +49,8 @@ import com.google.common.io.InputSupplier;
import cpw.mods.fml.common.FMLLog;
import cpw.mods.fml.relauncher.FMLRelaunchLog;
import cpw.mods.fml.relauncher.RelaunchClassLoader;
import org.objectweb.asm.tree.ClassNode;
import org.objectweb.asm.tree.FieldNode;
public class FMLDeobfuscatingRemapper extends Remapper {
public static final FMLDeobfuscatingRemapper INSTANCE = new FMLDeobfuscatingRemapper();
@ -142,7 +144,34 @@ public class FMLDeobfuscatingRemapper extends Remapper {
{
rawFieldMaps.put(cl, Maps.<String,String>newHashMap());
}
rawFieldMaps.get(cl).put(oldName, newName);
rawFieldMaps.get(cl).put(oldName + ":" + getFieldType(cl, oldName), newName);
rawFieldMaps.get(cl).put(oldName + ":null", newName);
}
@SuppressWarnings("unchecked")
private String getFieldType(String owner, String name)
{
try
{
byte[] classBytes = classLoader.getClassBytes(owner);
if (classBytes == null)
{
return null;
}
ClassReader cr = new ClassReader(classBytes);
ClassNode classNode = new ClassNode();
cr.accept(classNode, ClassReader.SKIP_CODE | ClassReader.SKIP_DEBUG | ClassReader.SKIP_FRAMES);
for (FieldNode fieldNode : (List<FieldNode>) classNode.fields) {
if (fieldNode.name.equals(name)) {
return fieldNode.desc;
}
}
}
catch (IOException e)
{
e.printStackTrace();
}
return null;
}
private void parseClass(Builder<String, String> builder, String[] parts)
@ -181,7 +210,7 @@ public class FMLDeobfuscatingRemapper extends Remapper {
return name;
}
Map<String, String> fieldMap = getFieldMap(owner);
return fieldMap!=null && fieldMap.containsKey(name) ? fieldMap.get(name) : name;
return fieldMap!=null && fieldMap.containsKey(name+":"+desc) ? fieldMap.get(name+":"+desc) : name;
}
@Override