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openrs2
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Move inherited field/method set code to ClassPath

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master
Graham 5 years ago
parent 751ae183c1
commit df4afccccc
2 changed files with 127 additions and 122 deletions
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  1. 124
      deob/src/main/java/dev/openrs2/deob/classpath/ClassPath.java
  2. 125
      deob/src/main/java/dev/openrs2/deob/classpath/TypedRemapper.java

124
deob/src/main/java/dev/openrs2/deob/classpath/ClassPath.java
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@ -3,10 +3,16 @@ package dev.openrs2.deob.classpath;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import dev.openrs2.asm.Library;
import dev.openrs2.asm.MemberDesc;
import dev.openrs2.asm.MemberRef;
import dev.openrs2.util.collect.DisjointSet;
import dev.openrs2.util.collect.ForestDisjointSet;
public final class ClassPath {
private final ClassLoader runtime;
@ -68,4 +74,122 @@ public final class ClassPath {
cache.put(name, metadata);
return metadata;
}
public DisjointSet<MemberRef> createInheritedFieldSets() {
var disjointSet = new ForestDisjointSet<MemberRef>();
var ancestorCache = new HashMap<ClassMetadata, Set<MemberDesc>>();
for (var library : libraries) {
for (var clazz : library) {
populateInheritedFieldSets(ancestorCache, disjointSet, get(clazz.name));
}
}
return disjointSet;
}
private Set<MemberDesc> populateInheritedFieldSets(Map<ClassMetadata, Set<MemberDesc>> ancestorCache, DisjointSet<MemberRef> disjointSet, ClassMetadata clazz) {
var ancestors = ancestorCache.get(clazz);
if (ancestors != null) {
return ancestors;
}
ancestors = new HashSet<>();
var superClass = clazz.getSuperClass();
if (superClass != null) {
var fields = populateInheritedFieldSets(ancestorCache, disjointSet, superClass);
for (var field : fields) {
var partition1 = disjointSet.add(new MemberRef(clazz.getName(), field));
var partition2 = disjointSet.add(new MemberRef(superClass.getName(), field));
disjointSet.union(partition1, partition2);
}
ancestors.addAll(fields);
}
for (var superInterface : clazz.getSuperInterfaces()) {
var fields = populateInheritedFieldSets(ancestorCache, disjointSet, superInterface);
for (var field : fields) {
var partition1 = disjointSet.add(new MemberRef(clazz.getName(), field));
var partition2 = disjointSet.add(new MemberRef(superInterface.getName(), field));
disjointSet.union(partition1, partition2);
}
ancestors.addAll(fields);
}
for (var field : clazz.getFields()) {
if (TypedRemapper.EXCLUDED_FIELDS.contains(field.getName())) {
continue;
}
disjointSet.add(new MemberRef(clazz.getName(), field));
ancestors.add(field);
}
ancestors = Collections.unmodifiableSet(ancestors);
ancestorCache.put(clazz, ancestors);
return ancestors;
}
public DisjointSet<MemberRef> createInheritedMethodSets() {
var disjointSet = new ForestDisjointSet<MemberRef>();
var ancestorCache = new HashMap<ClassMetadata, Set<MemberDesc>>();
for (var library : libraries) {
for (var clazz : library) {
populateInheritedMethodSets(ancestorCache, disjointSet, get(clazz.name));
}
}
return disjointSet;
}
private Set<MemberDesc> populateInheritedMethodSets(Map<ClassMetadata, Set<MemberDesc>> ancestorCache, DisjointSet<MemberRef> disjointSet, ClassMetadata clazz) {
var ancestors = ancestorCache.get(clazz);
if (ancestors != null) {
return ancestors;
}
ancestors = new HashSet<>();
var superClass = clazz.getSuperClass();
if (superClass != null) {
var methods = populateInheritedMethodSets(ancestorCache, disjointSet, superClass);
for (var method : methods) {
var partition1 = disjointSet.add(new MemberRef(clazz.getName(), method));
var partition2 = disjointSet.add(new MemberRef(superClass.getName(), method));
disjointSet.union(partition1, partition2);
}
ancestors.addAll(methods);
}
for (var superInterface : clazz.getSuperInterfaces()) {
var methods = populateInheritedMethodSets(ancestorCache, disjointSet, superInterface);
for (var method : methods) {
var partition1 = disjointSet.add(new MemberRef(clazz.getName(), method));
var partition2 = disjointSet.add(new MemberRef(superInterface.getName(), method));
disjointSet.union(partition1, partition2);
}
ancestors.addAll(methods);
}
for (var method : clazz.getMethods()) {
if (TypedRemapper.EXCLUDED_METHODS.contains(method.getName())) {
continue;
}
disjointSet.add(new MemberRef(clazz.getName(), method));
ancestors.add(method);
}
ancestors = Collections.unmodifiableSet(ancestors);
ancestorCache.put(clazz, ancestors);
return ancestors;
}
}

125
deob/src/main/java/dev/openrs2/deob/classpath/TypedRemapper.java
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@ -1,8 +1,6 @@
package dev.openrs2.deob.classpath;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
@ -12,7 +10,6 @@ import dev.openrs2.asm.MemberDesc;
import dev.openrs2.asm.MemberRef;
import dev.openrs2.util.StringUtils;
import dev.openrs2.util.collect.DisjointSet;
import dev.openrs2.util.collect.ForestDisjointSet;
import org.objectweb.asm.Type;
import org.objectweb.asm.commons.Remapper;
import org.slf4j.Logger;
@ -41,12 +38,10 @@ public final class TypedRemapper extends Remapper {
private static final int MAX_OBFUSCATED_NAME_LEN = 2;
public static TypedRemapper create(ClassPath classPath) {
var libraryClasses = classPath.getLibraryClasses();
var inheritedFieldSets = classPath.createInheritedFieldSets();
var inheritedMethodSets = classPath.createInheritedMethodSets();
var inheritedFieldSets = createInheritedFieldSets(libraryClasses);
var inheritedMethodSets = createInheritedMethodSets(libraryClasses);
var classes = createClassMapping(libraryClasses);
var classes = createClassMapping(classPath.getLibraryClasses());
var fields = createFieldMapping(classPath, inheritedFieldSets, classes);
var methods = createMethodMapping(classPath, inheritedMethodSets);
@ -76,120 +71,6 @@ public final class TypedRemapper extends Remapper {
}
}
private static DisjointSet<MemberRef> createInheritedFieldSets(List<ClassMetadata> classes) {
var disjointSet = new ForestDisjointSet<MemberRef>();
var ancestorCache = new HashMap<ClassMetadata, Set<MemberDesc>>();
for (var clazz : classes) {
populateInheritedFieldSets(ancestorCache, disjointSet, clazz);
}
return disjointSet;
}
private static Set<MemberDesc> populateInheritedFieldSets(Map<ClassMetadata, Set<MemberDesc>> ancestorCache, DisjointSet<MemberRef> disjointSet, ClassMetadata clazz) {
var ancestors = ancestorCache.get(clazz);
if (ancestors != null) {
return ancestors;
}
ancestors = new HashSet<>();
var superClass = clazz.getSuperClass();
if (superClass != null) {
var fields = populateInheritedFieldSets(ancestorCache, disjointSet, superClass);
for (var field : fields) {
var partition1 = disjointSet.add(new MemberRef(clazz.getName(), field));
var partition2 = disjointSet.add(new MemberRef(superClass.getName(), field));
disjointSet.union(partition1, partition2);
}
ancestors.addAll(fields);
}
for (var superInterface : clazz.getSuperInterfaces()) {
var fields = populateInheritedFieldSets(ancestorCache, disjointSet, superInterface);
for (var field : fields) {
var partition1 = disjointSet.add(new MemberRef(clazz.getName(), field));
var partition2 = disjointSet.add(new MemberRef(superInterface.getName(), field));
disjointSet.union(partition1, partition2);
}
ancestors.addAll(fields);
}
for (var field : clazz.getFields()) {
if (EXCLUDED_FIELDS.contains(field.getName())) {
continue;
}
disjointSet.add(new MemberRef(clazz.getName(), field));
ancestors.add(field);
}
ancestors = Collections.unmodifiableSet(ancestors);
ancestorCache.put(clazz, ancestors);
return ancestors;
}
private static DisjointSet<MemberRef> createInheritedMethodSets(List<ClassMetadata> classes) {
var disjointSet = new ForestDisjointSet<MemberRef>();
var ancestorCache = new HashMap<ClassMetadata, Set<MemberDesc>>();
for (var clazz : classes) {
populateInheritedMethodSets(ancestorCache, disjointSet, clazz);
}
return disjointSet;
}
private static Set<MemberDesc> populateInheritedMethodSets(Map<ClassMetadata, Set<MemberDesc>> ancestorCache, DisjointSet<MemberRef> disjointSet, ClassMetadata clazz) {
var ancestors = ancestorCache.get(clazz);
if (ancestors != null) {
return ancestors;
}
ancestors = new HashSet<>();
var superClass = clazz.getSuperClass();
if (superClass != null) {
var methods = populateInheritedMethodSets(ancestorCache, disjointSet, superClass);
for (var method : methods) {
var partition1 = disjointSet.add(new MemberRef(clazz.getName(), method));
var partition2 = disjointSet.add(new MemberRef(superClass.getName(), method));
disjointSet.union(partition1, partition2);
}
ancestors.addAll(methods);
}
for (var superInterface : clazz.getSuperInterfaces()) {
var methods = populateInheritedMethodSets(ancestorCache, disjointSet, superInterface);
for (var method : methods) {
var partition1 = disjointSet.add(new MemberRef(clazz.getName(), method));
var partition2 = disjointSet.add(new MemberRef(superInterface.getName(), method));
disjointSet.union(partition1, partition2);
}
ancestors.addAll(methods);
}
for (var method : clazz.getMethods()) {
if (EXCLUDED_METHODS.contains(method.getName())) {
continue;
}
disjointSet.add(new MemberRef(clazz.getName(), method));
ancestors.add(method);
}
ancestors = Collections.unmodifiableSet(ancestors);
ancestorCache.put(clazz, ancestors);
return ancestors;
}
private static String generateName(Map<String, Integer> prefixes, String prefix) {
return prefix + prefixes.merge(prefix, 1, Integer::sum);
}

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