fix: Force slot 0 in virtual methods to always be 'this'

jumanji144 · Nov 3, 2024 · 9a413ea · 9a413ea
1 parent 3608d61
commit 9a413ea
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/jasm-composition-jvm/src/main/java/me/darknet/assembler/printer/JvmMethodPrinter.java b/jasm-composition-jvm/src/main/java/me/darknet/assembler/printer/JvmMethodPrinter.java
@@ -54,8 +54,9 @@ public void setLabelPrefix(String labelPrefix) {
             for (Local local : code.localVariables()) {
                 // Transform local name to be legal
                 int index = local.index();
-                String baseName = local.name();
-                String name = escapeName(baseName, index, isStatic);
+                boolean isThis = !isStatic && index == 0;
+                String baseName = isThis ? "this" : local.name();
+                String name = isThis ? "this" : escapeName(baseName, index, isStatic);
                 String descriptor = local.type().descriptor();
                 Type varType = Types.typeFromDescriptor(descriptor);
                 boolean escaped = !baseName.equals(name);