Rename test file and some work on the overloading behavior

resources/bytecode/javFiles/OverloadPattern.jav

@@ -5,13 +5,13 @@ import java.lang.Float;
 public record Point(Number x, Number y) {}
 
 public class OverloadPattern {
-    public m(Point(x, y), Point(z, a)) {
-        return x + y + z + a;
+    public Number m(Point(Integer x, Integer y)) {
+        return x + y;
     }
 
-    /*public m(Point(Float x, Float y)) {
+    public Number m(Point(Float x, Float y)) {
         return x * y;
-    }*/
+    }
 
     public m(Integer x) {
         return x;

resources/bytecode/javFiles/PatternMatchingHaskellStyle.jav

@@ -5,7 +5,7 @@ sealed interface List<T> permits LinkedElem, Elem {}
 public record LinkedElem<T>(T a, List<T> l) implements List<T> {}
 public record Elem<T>(T a) implements List<T> {}
 
-public class PaternMatchingHaskellStyle {
+public class PatternMatchingHaskellStyle {
 
     public append(LinkedElem(a, b), list2) {
         return handleAppend(a, b, list2);

src/main/java/de/dhbwstuttgart/target/generate/ASTToTargetAST.java

@@ -145,21 +145,44 @@ public class ASTToTargetAST {
         return ret;
     }
 
+    // This is used to serve as a custom equality to signature that performs a weak check without going into record patterns.
+    // The two signatures are considered equal if all the argument types match.
+    record WeakSignature(TargetMethod.Signature signature) {
+        @Override
+        public boolean equals(Object o) {
+            if (!(o instanceof WeakSignature other)) return false;
+            if (other.signature.parameters().size() != signature.parameters().size()) return false;
+            for (var i = 0; i < signature.parameters().size(); i++) {
+                var p1 = signature.parameters().get(i).pattern().type();
+                var p2 = other.signature.parameters().get(i).pattern().type();
+                if (!p1.equals(p2)) return false;
+            }
+            return true;
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(signature.parameters().stream().map(p -> p.pattern().type()).toArray());
+        }
+    }
+
     public List<List<TargetMethod>> groupOverloads(ClassOrInterface input, List<Method> methods) {
         var res = new ArrayList<List<TargetMethod>>();
+        var mapOfSignatures = new HashMap<WeakSignature, List<MethodWithTphs>>();
         for (var method : methods) {
             // Convert all methods
             var methodsWithTphs = convert(input, method);
             // Then check for methods with the same signature
-            var mapOfSignatures = new HashMap<TargetMethod.Signature, List<MethodWithTphs>>();
             for (var m : methodsWithTphs) {
-                var methodsWithSameSignature = mapOfSignatures.getOrDefault(m.method.signature(), new ArrayList<>());
+                var signature = new WeakSignature(m.method.signature());
+                var methodsWithSameSignature = mapOfSignatures.getOrDefault(signature, new ArrayList<>());
                 methodsWithSameSignature.add(m);
-                mapOfSignatures.put(m.method.signature(), methodsWithSameSignature);
+                mapOfSignatures.put(signature, methodsWithSameSignature);
+            }
         }
 
-            var resMethods = new HashSet<TargetMethod>();
         for (var methodsWithSignature : mapOfSignatures.values()) {
+            var resMethods = new HashSet<TargetMethod>();
             outer: for (var m1 : methodsWithSignature) {
                 for (var m2 : methodsWithSignature) {
                     for (var i = 0; i < m1.args.size(); i++) {
@@ -173,9 +196,9 @@ public class ASTToTargetAST {
                 }
                 resMethods.add(m1.method);
             }
-            }
             res.add(resMethods.stream().toList());
         }
+
         return res;
     }
 
@@ -309,7 +332,6 @@ public class ASTToTargetAST {
         }
 
         // Generate dispatch method
-
         return res;
     }
 

src/test/java/TestComplete.java

@@ -857,8 +857,8 @@ public class TestComplete {
     //@Ignore("Not implemented")
     @Test
     public void testOverloadPatternMatching() throws Exception {
-        var classFiles = generateClassFiles(new ByteArrayClassLoader(), "PaternMatchingHaskellStyle.jav");
-        var clazz = classFiles.get("PaternMatchingHaskellStyle");
+        var classFiles = generateClassFiles(new ByteArrayClassLoader(), "PatternMatchingHaskellStyle.jav");
+        var clazz = classFiles.get("PatternMatchingHaskellStyle");
         var R2 = classFiles.get("Elem");
         var R = classFiles.get("LinkedElem");
         var I = classFiles.get("List");