split MethodDebugInfoCleanTransformer into smaller transformers

deobfuscator-transformers/src/main/java/uwu/narumi/deobfuscator/core/other/composed/general/ComposedGeneralCleanTransformer.java

@@ -14,7 +14,7 @@ public ComposedGeneralCleanTransformer() {
         AnnotationCleanTransformer::new,
         ClassDebugInfoCleanTransformer::new,
         LineNumberCleanTransformer::new,
-        MethodDebugInfoCleanTransformer::new,
+        LocalVariableNamesCleanTransformer::new,
         NopCleanTransformer::new,
         StackOperationResolveTransformer::new,
         TryCatchRepairTransformer::new,

deobfuscator-transformers/src/main/java/uwu/narumi/deobfuscator/core/other/composed/general/ComposedGeneralRepairTransformer.java

@@ -2,7 +2,7 @@
 
 import uwu.narumi.deobfuscator.api.transformer.ComposedTransformer;
 import uwu.narumi.deobfuscator.core.other.impl.clean.ClassDebugInfoCleanTransformer;
-import uwu.narumi.deobfuscator.core.other.impl.clean.MethodDebugInfoCleanTransformer;
+import uwu.narumi.deobfuscator.core.other.impl.clean.LocalVariableNamesCleanTransformer;
 import uwu.narumi.deobfuscator.core.other.impl.clean.SignatureCleanTransformer;
 import uwu.narumi.deobfuscator.core.other.impl.clean.UnknownAttributeCleanTransformer;
 import uwu.narumi.deobfuscator.core.other.impl.universal.AccessRepairTransformer;
@@ -18,7 +18,7 @@ public ComposedGeneralRepairTransformer() {
         TryCatchRepairTransformer::new,
         UnknownAttributeCleanTransformer::new,
         SignatureCleanTransformer::new,
-        MethodDebugInfoCleanTransformer::new,
+        LocalVariableNamesCleanTransformer::new,
         ClassDebugInfoCleanTransformer::new
     );
   }

deobfuscator-transformers/src/main/java/uwu/narumi/deobfuscator/core/other/impl/clean/InvalidMethodCleanTransformer.java

@@ -9,7 +9,7 @@
 import uwu.narumi.deobfuscator.api.transformer.Transformer;
 
 /**
- * Remove invalid methods. WARNING: If some transformer will produce invalid bytecode in methods, this transformer will remove them.
+ * Remove invalid methods. WARNING: If some transformer produces invalid bytecode in methods, this transformer will remove them.
  */
 public class InvalidMethodCleanTransformer extends Transformer {
 

deobfuscator-transformers/src/main/java/uwu/narumi/deobfuscator/core/other/impl/clean/LocalVariableNamesCleanTransformer.java

@@ -0,0 +1,21 @@
+package uwu.narumi.deobfuscator.core.other.impl.clean;
+
+import uwu.narumi.deobfuscator.api.asm.ClassWrapper;
+import uwu.narumi.deobfuscator.api.context.Context;
+import uwu.narumi.deobfuscator.api.transformer.Transformer;
+
+/**
+ * Removes local variable names.
+ */
+public class LocalVariableNamesCleanTransformer extends Transformer {
+
+  @Override
+  protected void transform(ClassWrapper scope, Context context) throws Exception {
+    context.classes(scope).stream()
+        .flatMap(classWrapper -> classWrapper.methods().stream())
+        .forEach(methodNode -> {
+          methodNode.localVariables = null;
+          this.markChange();
+        });
+  }
+}

deobfuscator-transformers/src/main/java/uwu/narumi/deobfuscator/core/other/impl/clean/MethodDebugInfoCleanTransformer.java

@@ -1,22 +1,13 @@
 package uwu.narumi.deobfuscator.core.other.impl.clean;
 
-import uwu.narumi.deobfuscator.api.asm.ClassWrapper;
-import uwu.narumi.deobfuscator.api.context.Context;
-import uwu.narumi.deobfuscator.api.transformer.Transformer;
-
-public class MethodDebugInfoCleanTransformer extends Transformer {
-
-
-  @Override
-  protected void transform(ClassWrapper scope, Context context) throws Exception {
-    context.classes(scope).stream()
-        .flatMap(classWrapper -> classWrapper.methods().stream())
-        .forEach(
-            methodNode -> {
-              methodNode.parameters = null;
-              methodNode.localVariables = null;
-              methodNode.exceptions = null;
-              this.markChange();
-            });
+import uwu.narumi.deobfuscator.api.transformer.ComposedTransformer;
+
+public class MethodDebugInfoCleanTransformer extends ComposedTransformer {
+  public MethodDebugInfoCleanTransformer() {
+    super(
+        LocalVariableNamesCleanTransformer::new,
+        ParametersInfoCleanTransformer::new,
+        ThrowsExceptionCleanTransformer::new
+    );
   }
 }

deobfuscator-transformers/src/main/java/uwu/narumi/deobfuscator/core/other/impl/clean/ParametersInfoCleanTransformer.java

@@ -0,0 +1,20 @@
+package uwu.narumi.deobfuscator.core.other.impl.clean;
+
+import uwu.narumi.deobfuscator.api.asm.ClassWrapper;
+import uwu.narumi.deobfuscator.api.context.Context;
+import uwu.narumi.deobfuscator.api.transformer.Transformer;
+
+/**
+ * Removes parameter info from methods
+ */
+public class ParametersInfoCleanTransformer extends Transformer {
+  @Override
+  protected void transform(ClassWrapper scope, Context context) throws Exception {
+    context.classes(scope).stream()
+        .flatMap(classWrapper -> classWrapper.methods().stream())
+        .forEach(methodNode -> {
+          methodNode.parameters = null;
+          this.markChange();
+        });
+  }
+}

deobfuscator-transformers/src/main/java/uwu/narumi/deobfuscator/core/other/impl/clean/PeepholeCleanTransformer.java

@@ -22,7 +22,7 @@ public PeepholeCleanTransformer() {
         UnUsedLabelCleanTransformer::new,
         UselessGotosCleanTransformer::new,
 
-        // Pop ununsed local variables stores
+        // Pop unused local variables stores
         PopUnUsedLocalVariablesTransformer::new,
         // Remove useless POP instructions. This also cleans up garbage var stores from the PopUnUsedLocalVariablesTransformer
         UselessPopCleanTransformer::new

deobfuscator-transformers/src/main/java/uwu/narumi/deobfuscator/core/other/impl/clean/ThrowsExceptionCleanTransformer.java

@@ -0,0 +1,20 @@
+package uwu.narumi.deobfuscator.core.other.impl.clean;
+
+import uwu.narumi.deobfuscator.api.asm.ClassWrapper;
+import uwu.narumi.deobfuscator.api.context.Context;
+import uwu.narumi.deobfuscator.api.transformer.Transformer;
+
+/**
+ * Removes "throws Exception" from methods.
+ */
+public class ThrowsExceptionCleanTransformer extends Transformer {
+  @Override
+  protected void transform(ClassWrapper scope, Context context) throws Exception {
+    context.classes(scope).stream()
+        .flatMap(classWrapper -> classWrapper.methods().stream())
+        .forEach(methodNode -> {
+          methodNode.exceptions = null;
+          this.markChange();
+        });
+  }
+}