Merge pull request #62 from OpenModLoader/asm

ASM based class translator

1 files changed, 94 insertions, 70 deletions

diff --git a/src/main/java/cuchaz/enigma/mapping/MappingsRenamer.java b/src/main/java/cuchaz/enigma/mapping/MappingsRenamer.java
index 7126d2b..85b6d2a 100644
--- a/src/main/java/cuchaz/enigma/mapping/MappingsRenamer.java
+++ b/src/main/java/cuchaz/enigma/mapping/MappingsRenamer.java
@@ -13,6 +13,7 @@ package cuchaz.enigma.mapping;
 
 import com.google.common.collect.Lists;
 import cuchaz.enigma.analysis.JarIndex;
+import cuchaz.enigma.mapping.entry.*;
 import cuchaz.enigma.throwables.IllegalNameException;
 import cuchaz.enigma.throwables.MappingConflict;
 
@@ -25,12 +26,14 @@ import java.util.zip.GZIPOutputStream;
 
 public class MappingsRenamer {
 
-        private JarIndex index;
+        private final JarIndex index;
+        private final ReferencedEntryPool entryPool;
         private Mappings mappings;
 
-        public MappingsRenamer(JarIndex index, Mappings mappings) {
+        public MappingsRenamer(JarIndex index, Mappings mappings, ReferencedEntryPool entryPool) {
                 this.index = index;
                 this.mappings = mappings;
+                this.entryPool = entryPool;
         }
 
         public void setMappings(Mappings mappings) {
@@ -46,7 +49,7 @@ public class MappingsRenamer {
 
                         if (deobfName != null) {
                                 // make sure we don't rename to an existing obf or deobf class
-                                if (mappings.containsDeobfClass(deobfName) || index.containsObfClass(new ClassEntry(deobfName))) {
+                                if (mappings.containsDeobfClass(deobfName) || index.containsObfClass(entryPool.getClass(deobfName))) {
                                         throw new IllegalNameException(deobfName, "There is already a class with that name");
                                 }
                         }
@@ -87,13 +90,13 @@ public class MappingsRenamer {
 
         public void setFieldName(FieldEntry obf, String deobfName) {
                 deobfName = NameValidator.validateFieldName(deobfName);
-                FieldEntry targetEntry = new FieldEntry(obf.getClassEntry(), deobfName, obf.getType());
+                FieldEntry targetEntry = entryPool.getField(obf.getOwnerClassEntry(), deobfName, obf.getDesc());
                 ClassEntry definedClass = null;
-                if (mappings.containsDeobfField(obf.getClassEntry(), deobfName) || index.containsEntryWithSameName(targetEntry))
-                        definedClass = obf.getClassEntry();
+                if (mappings.containsDeobfField(obf.getOwnerClassEntry(), deobfName) || index.containsEntryWithSameName(targetEntry))
+                        definedClass = obf.getOwnerClassEntry();
                 else {
-                        for (ClassEntry ancestorEntry : this.index.getTranslationIndex().getAncestry(obf.getClassEntry())) {
-                                if (mappings.containsDeobfField(ancestorEntry, deobfName) || index.containsEntryWithSameName(targetEntry.cloneToNewClass(ancestorEntry))) {
+                        for (ClassEntry ancestorEntry : this.index.getTranslationIndex().getAncestry(obf.getOwnerClassEntry())) {
+                                if (mappings.containsDeobfField(ancestorEntry, deobfName) || index.containsEntryWithSameName(targetEntry.updateOwnership(ancestorEntry))) {
                                         definedClass = ancestorEntry;
                                         break;
                                 }
@@ -101,42 +104,44 @@ public class MappingsRenamer {
                 }
 
                 if (definedClass != null) {
-                        String className = mappings.getTranslator(TranslationDirection.Deobfuscating, index.getTranslationIndex()).translateClass(definedClass.getClassName());
+                        Translator translator = mappings.getTranslator(TranslationDirection.DEOBFUSCATING, index.getTranslationIndex());
+                        String className = translator.getTranslatedClass(entryPool.getClass(definedClass.getClassName())).getName();
                         if (className == null)
                                 className = definedClass.getClassName();
                         throw new IllegalNameException(deobfName, "There is already a field with that name in " + className);
                 }
 
-                ClassMapping classMapping = getOrCreateClassMapping(obf.getClassEntry());
-                classMapping.setFieldName(obf.getName(), obf.getType(), deobfName);
+                ClassMapping classMapping = getOrCreateClassMapping(obf.getOwnerClassEntry());
+                classMapping.setFieldName(obf.getName(), obf.getDesc(), deobfName);
         }
 
         public void removeFieldMapping(FieldEntry obf) {
-                ClassMapping classMapping = getOrCreateClassMapping(obf.getClassEntry());
-                classMapping.removeFieldMapping(classMapping.getFieldByObf(obf.getName(), obf.getType()));
+                ClassMapping classMapping = getOrCreateClassMapping(obf.getOwnerClassEntry());
+                classMapping.removeFieldMapping(classMapping.getFieldByObf(obf.getName(), obf.getDesc()));
         }
 
         public void markFieldAsDeobfuscated(FieldEntry obf) {
-                ClassMapping classMapping = getOrCreateClassMapping(obf.getClassEntry());
-                classMapping.setFieldName(obf.getName(), obf.getType(), obf.getName());
+                ClassMapping classMapping = getOrCreateClassMapping(obf.getOwnerClassEntry());
+                classMapping.setFieldName(obf.getName(), obf.getDesc(), obf.getName());
         }
 
         private void validateMethodTreeName(MethodEntry entry, String deobfName) {
-                MethodEntry targetEntry = new MethodEntry(entry.getClassEntry(), deobfName, entry.getSignature());
+                MethodEntry targetEntry = entryPool.getMethod(entry.getOwnerClassEntry(), deobfName, entry.getDesc());
 
                 // TODO: Verify if I don't break things
-                ClassMapping classMapping = mappings.getClassByObf(entry.getClassEntry());
-                if ((classMapping != null && classMapping.containsDeobfMethod(deobfName, entry.getSignature()) && classMapping.getMethodByObf(entry.getName(), entry.getSignature()) != classMapping.getMethodByDeobf(deobfName, entry.getSignature()))
-                        || index.containsObfBehavior(targetEntry)) {
-                        String deobfClassName = mappings.getTranslator(TranslationDirection.Deobfuscating, index.getTranslationIndex()).translateClass(entry.getClassName());
+                ClassMapping classMapping = mappings.getClassByObf(entry.getOwnerClassEntry());
+                if ((classMapping != null && classMapping.containsDeobfMethod(deobfName, entry.getDesc()) && classMapping.getMethodByObf(entry.getName(), entry.getDesc()) != classMapping.getMethodByDeobf(deobfName, entry.getDesc()))
+                                || index.containsObfMethod(targetEntry)) {
+                        Translator translator = mappings.getTranslator(TranslationDirection.DEOBFUSCATING, index.getTranslationIndex());
+                        String deobfClassName = translator.getTranslatedClass(entryPool.getClass(entry.getClassName())).getClassName();
                         if (deobfClassName == null) {
                                 deobfClassName = entry.getClassName();
                         }
                         throw new IllegalNameException(deobfName, "There is already a method with that name and signature in class " + deobfClassName);
                 }
 
-                for (ClassEntry child : index.getTranslationIndex().getSubclass(entry.getClassEntry())) {
-                        validateMethodTreeName(entry.cloneToNewClass(child), deobfName);
+                for (ClassEntry child : index.getTranslationIndex().getSubclass(entry.getOwnerClassEntry())) {
+                        validateMethodTreeName(entry.updateOwnership(child), deobfName);
                 }
         }
 
@@ -155,20 +160,21 @@ public class MappingsRenamer {
 
         public void setMethodName(MethodEntry obf, String deobfName) {
                 deobfName = NameValidator.validateMethodName(deobfName);
-                MethodEntry targetEntry = new MethodEntry(obf.getClassEntry(), deobfName, obf.getSignature());
-                ClassMapping classMapping = getOrCreateClassMapping(obf.getClassEntry());
+                MethodEntry targetEntry = entryPool.getMethod(obf.getOwnerClassEntry(), deobfName, obf.getDesc());
+                ClassMapping classMapping = getOrCreateClassMapping(obf.getOwnerClassEntry());
 
                 // TODO: Verify if I don't break things
-                if ((mappings.containsDeobfMethod(obf.getClassEntry(), deobfName, obf.getSignature()) && classMapping.getMethodByObf(obf.getName(), obf.getSignature()) != classMapping.getMethodByDeobf(deobfName, obf.getSignature()))
-                        || index.containsObfBehavior(targetEntry)) {
-                        String deobfClassName = mappings.getTranslator(TranslationDirection.Deobfuscating, index.getTranslationIndex()).translateClass(obf.getClassName());
+                if ((mappings.containsDeobfMethod(obf.getOwnerClassEntry(), deobfName, obf.getDesc()) && classMapping.getMethodByObf(obf.getName(), obf.getDesc()) != classMapping.getMethodByDeobf(deobfName, obf.getDesc()))
+                                || index.containsObfMethod(targetEntry)) {
+                        Translator translator = mappings.getTranslator(TranslationDirection.DEOBFUSCATING, index.getTranslationIndex());
+                        String deobfClassName = translator.getTranslatedClass(entryPool.getClass(obf.getClassName())).getClassName();
                         if (deobfClassName == null) {
                                 deobfClassName = obf.getClassName();
                         }
                         throw new IllegalNameException(deobfName, "There is already a method with that name and signature in class " + deobfClassName);
                 }
 
-                classMapping.setMethodName(obf.getName(), obf.getSignature(), deobfName);
+                classMapping.setMethodName(obf.getName(), obf.getDesc(), deobfName);
         }
 
         public void removeMethodTreeMapping(MethodEntry obf) {
@@ -176,8 +182,8 @@ public class MappingsRenamer {
         }
 
         public void removeMethodMapping(MethodEntry obf) {
-                ClassMapping classMapping = getOrCreateClassMapping(obf.getClassEntry());
-                classMapping.setMethodName(obf.getName(), obf.getSignature(), null);
+                ClassMapping classMapping = getOrCreateClassMapping(obf.getOwnerClassEntry());
+                classMapping.setMethodName(obf.getName(), obf.getDesc(), null);
         }
 
         public void markMethodTreeAsDeobfuscated(MethodEntry obf) {
@@ -185,30 +191,25 @@ public class MappingsRenamer {
         }
 
         public void markMethodAsDeobfuscated(MethodEntry obf) {
-                ClassMapping classMapping = getOrCreateClassMapping(obf.getClassEntry());
-                classMapping.setMethodName(obf.getName(), obf.getSignature(), obf.getName());
+                ClassMapping classMapping = getOrCreateClassMapping(obf.getOwnerClassEntry());
+                classMapping.setMethodName(obf.getName(), obf.getDesc(), obf.getName());
         }
 
-        public void setArgumentTreeName(ArgumentEntry obf, String deobfName) {
-                if (!(obf.getBehaviorEntry() instanceof MethodEntry)) {
-                        setArgumentName(obf, deobfName);
-                        return;
-                }
-
-                MethodEntry obfMethod = (MethodEntry) obf.getBehaviorEntry();
+        public void setLocalVariableTreeName(LocalVariableEntry obf, String deobfName) {
+                MethodEntry obfMethod = obf.getOwnerEntry();
 
                 Set<MethodEntry> implementations = index.getRelatedMethodImplementations(obfMethod);
                 for (MethodEntry entry : implementations) {
-                        ClassMapping classMapping = mappings.getClassByObf(entry.getClassEntry());
+                        ClassMapping classMapping = mappings.getClassByObf(entry.getOwnerClassEntry());
                         if (classMapping != null) {
-                                MethodMapping mapping = classMapping.getMethodByObf(entry.getName(), entry.getSignature());
+                                MethodMapping mapping = classMapping.getMethodByObf(entry.getName(), entry.getDesc());
                                 // NOTE: don't need to check arguments for name collisions with names determined by Procyon
                                 // TODO: Verify if I don't break things
                                 if (mapping != null) {
-                                        for (ArgumentMapping argumentMapping : Lists.newArrayList(mapping.arguments())) {
-                                                if (argumentMapping.getIndex() != obf.getIndex()) {
-                                                        if (mapping.getDeobfArgumentName(argumentMapping.getIndex()).equals(deobfName)
-                                                                || argumentMapping.getName().equals(deobfName)) {
+                                        for (LocalVariableMapping localVariableMapping : Lists.newArrayList(mapping.arguments())) {
+                                                if (localVariableMapping.getIndex() != obf.getIndex()) {
+                                                        if (mapping.getDeobfLocalVariableName(localVariableMapping.getIndex()).equals(deobfName)
+                                                                        || localVariableMapping.getName().equals(deobfName)) {
                                                                 throw new IllegalNameException(deobfName, "There is already an argument with that name");
                                                         }
                                                 }
@@ -218,45 +219,45 @@ public class MappingsRenamer {
                 }
 
                 for (MethodEntry entry : implementations) {
-                        setArgumentName(new ArgumentEntry(obf, entry), deobfName);
+                        setLocalVariableName(new LocalVariableEntry(entry, obf.getIndex(), obf.getName()), deobfName);
                 }
         }
 
-        public void setArgumentName(ArgumentEntry obf, String deobfName) {
+        public void setLocalVariableName(LocalVariableEntry obf, String deobfName) {
                 deobfName = NameValidator.validateArgumentName(deobfName);
-                ClassMapping classMapping = getOrCreateClassMapping(obf.getClassEntry());
-                MethodMapping mapping = classMapping.getMethodByObf(obf.getMethodName(), obf.getMethodSignature());
+                ClassMapping classMapping = getOrCreateClassMapping(obf.getOwnerClassEntry());
+                MethodMapping mapping = classMapping.getMethodByObf(obf.getMethodName(), obf.getMethodDesc());
                 // NOTE: don't need to check arguments for name collisions with names determined by Procyon
                 // TODO: Verify if I don't break things
                 if (mapping != null) {
-                        for (ArgumentMapping argumentMapping : Lists.newArrayList(mapping.arguments())) {
-                                if (argumentMapping.getIndex() != obf.getIndex()) {
-                                        if (mapping.getDeobfArgumentName(argumentMapping.getIndex()).equals(deobfName)
-                                                || argumentMapping.getName().equals(deobfName)) {
+                        for (LocalVariableMapping localVariableMapping : Lists.newArrayList(mapping.arguments())) {
+                                if (localVariableMapping.getIndex() != obf.getIndex()) {
+                                        if (mapping.getDeobfLocalVariableName(localVariableMapping.getIndex()).equals(deobfName)
+                                                        || localVariableMapping.getName().equals(deobfName)) {
                                                 throw new IllegalNameException(deobfName, "There is already an argument with that name");
                                         }
                                 }
                         }
                 }
 
-                classMapping.setArgumentName(obf.getMethodName(), obf.getMethodSignature(), obf.getIndex(), deobfName);
+                classMapping.setArgumentName(obf.getMethodName(), obf.getMethodDesc(), obf.getIndex(), deobfName);
         }
 
-        public void removeArgumentMapping(ArgumentEntry obf) {
-                ClassMapping classMapping = getOrCreateClassMapping(obf.getClassEntry());
-                classMapping.removeArgumentName(obf.getMethodName(), obf.getMethodSignature(), obf.getIndex());
+        public void removeLocalVariableMapping(LocalVariableEntry obf) {
+                ClassMapping classMapping = getOrCreateClassMapping(obf.getOwnerClassEntry());
+                classMapping.removeArgumentName(obf.getMethodName(), obf.getMethodDesc(), obf.getIndex());
         }
 
-        public void markArgumentAsDeobfuscated(ArgumentEntry obf) {
-                ClassMapping classMapping = getOrCreateClassMapping(obf.getClassEntry());
-                classMapping.setArgumentName(obf.getMethodName(), obf.getMethodSignature(), obf.getIndex(), obf.getName());
+        public void markArgumentAsDeobfuscated(LocalVariableEntry obf) {
+                ClassMapping classMapping = getOrCreateClassMapping(obf.getOwnerClassEntry());
+                classMapping.setArgumentName(obf.getMethodName(), obf.getMethodDesc(), obf.getIndex(), obf.getName());
         }
 
         public boolean moveFieldToObfClass(ClassMapping classMapping, FieldMapping fieldMapping, ClassEntry obfClass) {
                 classMapping.removeFieldMapping(fieldMapping);
                 ClassMapping targetClassMapping = getOrCreateClassMapping(obfClass);
-                if (!targetClassMapping.containsObfField(fieldMapping.getObfName(), fieldMapping.getObfType())) {
-                        if (!targetClassMapping.containsDeobfField(fieldMapping.getDeobfName(), fieldMapping.getObfType())) {
+                if (!targetClassMapping.containsObfField(fieldMapping.getObfName(), fieldMapping.getObfDesc())) {
+                        if (!targetClassMapping.containsDeobfField(fieldMapping.getDeobfName(), fieldMapping.getObfDesc())) {
                                 targetClassMapping.addFieldMapping(fieldMapping);
                                 return true;
                         } else {
@@ -269,12 +270,12 @@ public class MappingsRenamer {
         public boolean moveMethodToObfClass(ClassMapping classMapping, MethodMapping methodMapping, ClassEntry obfClass) {
                 classMapping.removeMethodMapping(methodMapping);
                 ClassMapping targetClassMapping = getOrCreateClassMapping(obfClass);
-                if (!targetClassMapping.containsObfMethod(methodMapping.getObfName(), methodMapping.getObfSignature())) {
-                        if (!targetClassMapping.containsDeobfMethod(methodMapping.getDeobfName(), methodMapping.getObfSignature())) {
+                if (!targetClassMapping.containsObfMethod(methodMapping.getObfName(), methodMapping.getObfDesc())) {
+                        if (!targetClassMapping.containsDeobfMethod(methodMapping.getDeobfName(), methodMapping.getObfDesc())) {
                                 targetClassMapping.addMethodMapping(methodMapping);
                                 return true;
                         } else {
-                                System.err.println("WARNING: deobf method was already there: " + obfClass + "." + methodMapping.getDeobfName() + methodMapping.getObfSignature());
+                                System.err.println("WARNING: deobf method was already there: " + obfClass + "." + methodMapping.getDeobfName() + methodMapping.getObfDesc());
                         }
                 }
                 return false;
@@ -326,12 +327,35 @@ public class MappingsRenamer {
         }
 
         public void setFieldModifier(FieldEntry obEntry, Mappings.EntryModifier modifier) {
-                ClassMapping classMapping = getOrCreateClassMapping(obEntry.getClassEntry());
-                classMapping.setFieldModifier(obEntry.getName(), obEntry.getType(), modifier);
+                ClassMapping classMapping = getOrCreateClassMapping(obEntry.getOwnerClassEntry());
+                classMapping.setFieldModifier(obEntry.getName(), obEntry.getDesc(), modifier);
+        }
+
+        public void setMethodModifier(MethodEntry obEntry, Mappings.EntryModifier modifier) {
+                ClassMapping classMapping = getOrCreateClassMapping(obEntry.getOwnerClassEntry());
+                classMapping.setMethodModifier(obEntry.getName(), obEntry.getDesc(), modifier);
+        }
+
+        public Mappings.EntryModifier getClassModifier(ClassEntry obfEntry) {
+                ClassMapping classMapping = getOrCreateClassMapping(obfEntry);
+                return classMapping.getModifier();
         }
 
-        public void setMethodModifier(BehaviorEntry obEntry, Mappings.EntryModifier modifier) {
-                ClassMapping classMapping = getOrCreateClassMapping(obEntry.getClassEntry());
-                classMapping.setMethodModifier(obEntry.getName(), obEntry.getSignature(), modifier);
+        public Mappings.EntryModifier getFieldModifier(FieldEntry obfEntry) {
+                ClassMapping classMapping = getOrCreateClassMapping(obfEntry.getOwnerClassEntry());
+                FieldMapping fieldMapping = classMapping.getFieldByObf(obfEntry);
+                if (fieldMapping == null) {
+                        return Mappings.EntryModifier.UNCHANGED;
+                }
+                return fieldMapping.getModifier();
+        }
+
+        public Mappings.EntryModifier getMethodModfifier(MethodEntry obfEntry) {
+                ClassMapping classMapping = getOrCreateClassMapping(obfEntry.getOwnerClassEntry());
+                MethodMapping methodMapping = classMapping.getMethodByObf(obfEntry);
+                if (methodMapping == null) {
+                        return Mappings.EntryModifier.UNCHANGED;
+                }
+                return methodMapping.getModifier();
         }
 }