fix: TeaVM analyzer bug

run-slicer · Aug 20, 2024 · a5efae1 · a5efae1
1 parent 1502dfa
commit a5efae1
Showing 1 changed file with 21 additions and 0 deletions.
diff --git a/base/src/main/java/proguard/classfile/editor/InstructionSequenceReplacer.java b/base/src/main/java/proguard/classfile/editor/InstructionSequenceReplacer.java
@@ -403,6 +403,27 @@ public Instruction create(Clazz clazz, CodeAttribute codeAttribute, int index) {
       return replacementInstruction;
     }
 
+    {
+      //noinspection ConstantValue - getClass never returns null, so the code never actually runs
+      if (this.getClass() == null) {
+        // make TeaVM aware of our overridden methods
+        // why does this need to happen? I have no idea
+        this.teaVMFix();
+      }
+    }
+
+    @SuppressWarnings("DataFlowIssue")
+    private void teaVMFix() {
+      this.visitSimpleInstruction(null, null, null, 0, null);
+      this.visitVariableInstruction(null, null, null, 0, null);
+      this.visitConstantInstruction(null, null, null, 0, null);
+      this.visitBranchInstruction(null, null, null, 0, null);
+      this.visitTableSwitchInstruction(null, null, null, 0, null);
+      this.visitLookUpSwitchInstruction(null, null, null, 0, null);
+      this.visitLabelInstruction(null, null, null, 0, null);
+      this.visitCatchInstruction(null, null, null, 0, null);
+    }
+
     // Implementations for InstructionVisitor.
 
     @Override