fix: use linked hashmap for object statement

src/me/topchetoeu/jscript/Main.java

@@ -12,6 +12,7 @@ import me.topchetoeu.jscript.events.Observer;
 import me.topchetoeu.jscript.exceptions.EngineException;
 import me.topchetoeu.jscript.exceptions.SyntaxException;
 import me.topchetoeu.jscript.polyfills.PolyfillEngine;
+import me.topchetoeu.jscript.polyfills.TypescriptEngine;
 
 public class Main {
     static Thread task;
@@ -51,7 +52,7 @@ public class Main {
 
     public static void main(String args[]) {
         var in = new BufferedReader(new InputStreamReader(System.in));
-        engine = new PolyfillEngine(new File("."));
+        engine = new TypescriptEngine(new File("."));
         var scope = engine.global().globalChild();
         var exited = new boolean[1];
 

src/me/topchetoeu/jscript/compilation/values/ObjectStatement.java

@@ -50,8 +50,8 @@ public class ObjectStatement extends Statement {
 
     public ObjectStatement(Location loc, Map<Object, Statement> map, Map<Object, FunctionStatement> getters, Map<Object, FunctionStatement> setters) {
         super(loc);
-        this.map = Map.copyOf(map);
-        this.getters = Map.copyOf(getters);
-        this.setters = Map.copyOf(setters);
+        this.map = map;
+        this.getters = getters;
+        this.setters = setters;
     }
 }

src/me/topchetoeu/jscript/engine/CallContext.java

@@ -21,14 +21,16 @@ public class CallContext {
         return this;
     }
     public <T> CallContext setData(DataKey<T> key, T val) {
-        data.put(key, val);
+        if (val == null) data.remove(key);
+        else data.put(key, val);
         return this;
     }
     @SuppressWarnings("unchecked")
     public <T> T addData(DataKey<T> key, T val) {
         if (data.containsKey(key)) return (T)data.get(key);
         else {
-            data.put(key, val);
+            if (val == null) data.remove(key);
+            else data.put(key, val);
             return val;
         }
     }

src/me/topchetoeu/jscript/engine/frame/Runners.java

@@ -532,6 +532,7 @@ public class Runners {
     }
 
     public static Object exec(DebugCommand state, Instruction instr, CodeFrame frame, CallContext ctx) throws InterruptedException {
+        // System.out.println(instr + "@" + instr.location);
         switch (instr.type) {
             case NOP: return execNop(instr, frame, ctx);
             case RETURN: return execReturn(instr, frame, ctx);

src/me/topchetoeu/jscript/engine/values/CodeFunction.java

@@ -25,6 +25,12 @@ public class CodeFunction extends FunctionValue {
         }
         return null;
     }
+    public String readable() {
+        var loc = loc();
+        if (loc == null) return name;
+        else if (name.equals("")) return loc.toString();
+        else return name + "@" + loc;
+    }
 
     @Override
     public Object call(CallContext ctx, Object thisArg, Object... args) throws InterruptedException {

src/me/topchetoeu/jscript/engine/values/ObjectValue.java

@@ -205,6 +205,10 @@ public class ObjectValue {
         else return null;
     }
     protected boolean setField(CallContext ctx, Object key, Object val) throws InterruptedException {
+        if (val instanceof FunctionValue && ((FunctionValue)val).name.equals("")) {
+            ((FunctionValue)val).name = Values.toString(ctx, key);
+        }
+
         values.put(key, val);
         return true;
     }