fix: improvements to MapleIR ssa optimisation

Author: terminalsin

build.gradle

@@ -1,3 +1,6 @@
+import org.gradle.api.JavaVersion
+import org.gradle.api.tasks.compile.JavaCompile
+
 plugins {
     id 'java'
     id 'java-library'
@@ -16,11 +19,10 @@ allprojects {
         }
     }
 
-    apply plugin: 'java'
     apply plugin: 'java-library'
 
-    sourceCompatibility = 1.8
-    targetCompatibility = 1.8
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
 
     dependencies {
         compileOnly 'org.projectlombok:lombok:1.18.36'
@@ -34,6 +36,26 @@ allprojects {
         options.encoding = "UTF-8" // Will fail on the non-ascii comments if not set
     }
 
+    tasks.withType(JavaCompile).configureEach {
+        if (sourceCompatibility == JavaVersion.VERSION_17) {
+            options.compilerArgs += [
+                '--add-exports', 'java.base/jdk.internal.reflect=ALL-UNNAMED',
+                '--add-exports', 'java.base/jdk.internal.util=ALL-UNNAMED',
+                '--add-exports', 'java.base/sun.io.ch=ALL-UNNAMED'
+        ]
+        }
+    }
+    tasks.withType(Test).configureEach {
+        if (sourceCompatibility == JavaVersion.VERSION_17) {
+            jvmArgs += [
+                '--add-exports', 'java.base/jdk.internal.reflect=ALL-UNNAMED',
+                '--add-exports', 'java.base/jdk.internal.util=ALL-UNNAMED',
+                '--add-exports', 'java.base/sun.io.ch=ALL-UNNAMED'
+        ]
+        }
+    }
+
+
     ext {
         asm = 'org.ow2.asm:asm:9.7.1'
         asm_commons = 'org.ow2.asm:asm-commons:9.7.1'

dev.skidfuscator.obfuscator/build.gradle

@@ -39,12 +39,6 @@ dependencies {
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.9.0'
 }
 
-tasks.withType(JavaCompile) {
-    options.compilerArgs += [
-            '--add-exports', 'java.base/jdk.internal.reflect=ALL-UNNAMED',
-            '--add-exports', 'java.base/jdk.internal.util=ALL-UNNAMED'
-    ]
-}
 
 jar {
     into('resources') {
@@ -68,8 +62,6 @@ processTestResources {
 test {
     useJUnitPlatform()
 }
-sourceCompatibility = JavaVersion.VERSION_17
-targetCompatibility = JavaVersion.VERSION_17
 
 configurations {
     downgrade

dev.skidfuscator.obfuscator/src/main/java/dev/skidfuscator/obfuscator/Skidfuscator.java

@@ -53,13 +53,14 @@
 import dev.skidfuscator.obfuscator.transform.impl.flow.exception.BasicExceptionTransformer;
 import dev.skidfuscator.obfuscator.transform.impl.flow.interprocedural.InterproceduralTransformer;
 import dev.skidfuscator.obfuscator.transform.impl.flow.interprocedural.RandomInitTransformer;
-import dev.skidfuscator.obfuscator.transform.impl.hash.StringEqualsIgnoreCaseHashTranformer;
+import dev.skidfuscator.obfuscator.transform.impl.hash.InstanceOfHashTransformer;
+import dev.skidfuscator.obfuscator.transform.impl.hash.StringEqualsHashTransformer;
+import dev.skidfuscator.obfuscator.transform.impl.hash.StringEqualsIgnoreCaseHashTransformer;
 import dev.skidfuscator.obfuscator.transform.impl.misc.AhegaoTransformer;
 import dev.skidfuscator.obfuscator.transform.impl.number.NumberTransformer;
 import dev.skidfuscator.obfuscator.transform.impl.pure.PureHashTransformer;
 import dev.skidfuscator.obfuscator.transform.impl.sdk.SdkInjectorTransformer;
 import dev.skidfuscator.obfuscator.transform.impl.string.StringEncryptionType;
-import dev.skidfuscator.obfuscator.transform.impl.hash.StringEqualsHashTranformer;
 import dev.skidfuscator.obfuscator.transform.impl.string.StringTransformerV2;
 import dev.skidfuscator.obfuscator.util.ConsoleColors;
 import dev.skidfuscator.obfuscator.util.MapleJarUtil;
@@ -705,8 +706,9 @@ public List<Transformer> getTransformers() {
                     new BasicRangeTransformer(this),
                     new PureHashTransformer(this),
                     new SdkInjectorTransformer(this),
-                    new StringEqualsHashTranformer(this),
-                    new StringEqualsIgnoreCaseHashTranformer(this),
+                    new StringEqualsHashTransformer(this),
+                    new StringEqualsIgnoreCaseHashTransformer(this),
+                    new InstanceOfHashTransformer(this),
                 /*
                 new FlatteningFlowTransformer(this),*/
                     new AhegaoTransformer(this)
@@ -723,7 +725,7 @@ public List<Transformer> getTransformers() {
         transformers.clear();
 
         for (Transformer temp : temps) {
-            if (temp.getConfig().isEnabled()) {
+            if (temp.isEnabled()) {
                 transformers.add(temp);
                 //System.out.println(temp.getName() + " -> " + Arrays.toString(temp.getConfig().getExemptions().toArray()));
                 for (String exemption : temp.getConfig().getExemptions()) {

dev.skidfuscator.obfuscator/src/main/java/dev/skidfuscator/obfuscator/event/EventBus.java

@@ -2,6 +2,7 @@
 
 import dev.skidfuscator.obfuscator.event.annotation.Listen;
 import dev.skidfuscator.obfuscator.event.impl.Event;
+import dev.skidfuscator.obfuscator.transform.AbstractTransformer;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
@@ -21,7 +22,17 @@ public class EventBus {
      * @param instance Instance of the listener to be registered
      */
     public static void register(final Listener instance) {
-        for (Method declaredMethod : instance.getClass().getDeclaredMethods()) {
+        final Set<Method> methods = new HashSet<>();
+
+        // get parent until abstract transformer is reached
+        Class<?> clazz = instance.getClass();
+
+        while (!clazz.equals(Listener.class) && !clazz.equals(Object.class)) {
+            methods.addAll(Arrays.asList(clazz.getDeclaredMethods()));
+            clazz = clazz.getSuperclass();
+        }
+
+        for (Method declaredMethod : methods) {
             if (!declaredMethod.isAnnotationPresent(Listen.class))
                 continue;