diff --git a/src/me/topchetoeu/jscript/Main.java b/src/me/topchetoeu/jscript/Main.java
index 80872d7..8922290 100644
--- a/src/me/topchetoeu/jscript/Main.java
+++ b/src/me/topchetoeu/jscript/Main.java
@@ -16,6 +16,7 @@ import me.topchetoeu.jscript.events.Observer;
 import me.topchetoeu.jscript.exceptions.EngineException;
 import me.topchetoeu.jscript.exceptions.InterruptException;
 import me.topchetoeu.jscript.exceptions.SyntaxException;
+import me.topchetoeu.jscript.exceptions.UncheckedException;
 import me.topchetoeu.jscript.lib.Internals;
 
 public class Main {
@@ -35,9 +36,7 @@ public class Main {
             br.close();
             return out.toString();
         }
-        catch (IOException e) {
-            return null;
-        }
+        catch (Throwable e) { throw new UncheckedException(e); }
     }
     public static String resourceToString(String name) {
         var str = Main.class.getResourceAsStream("/me/topchetoeu/jscript/" + name);
@@ -97,20 +96,17 @@ public class Main {
                     catch (EngineException e) { Values.printError(e, ""); }
                 }
             }
-            catch (IOException e) {
-                e.printStackTrace();
-                return;
-            }
+            catch (InterruptException e) { return; }
             catch (SyntaxException ex) {
                 if (exited[0]) return;
                 System.out.println("Syntax error:" + ex.msg);
             }
-            catch (InterruptException e) { return; }
             catch (RuntimeException ex) {
                 if (exited[0]) return;
                 System.out.println("Internal error ocurred:");
                 ex.printStackTrace();
             }
+            catch (Throwable e) { throw new UncheckedException(e); }
             if (exited[0]) return;
         });
         reader.setDaemon(true);
diff --git a/src/me/topchetoeu/jscript/compilation/values/OperationStatement.java b/src/me/topchetoeu/jscript/compilation/values/OperationStatement.java
index 3016ee2..97479bd 100644
--- a/src/me/topchetoeu/jscript/compilation/values/OperationStatement.java
+++ b/src/me/topchetoeu/jscript/compilation/values/OperationStatement.java
@@ -49,13 +49,8 @@ public class OperationStatement extends Statement {
                 vals[i] = ((ConstantStatement)args[i]).value;
             }
 
-            try {
-                return new ConstantStatement(loc(), Values.operation(null, operation, vals));
-            }
-            catch (EngineException e) {
-                return new ThrowStatement(loc(), new ConstantStatement(loc(), e.value));
-            }
-            catch (InterruptedException e) { return null; }
+            try { return new ConstantStatement(loc(), Values.operation(null, operation, vals)); }
+            catch (EngineException e) { return new ThrowStatement(loc(), new ConstantStatement(loc(), e.value)); }
         }
 
         return new OperationStatement(loc(), operation, args);
diff --git a/src/me/topchetoeu/jscript/engine/Engine.java b/src/me/topchetoeu/jscript/engine/Engine.java
index c82dbde..6504b82 100644
--- a/src/me/topchetoeu/jscript/engine/Engine.java
+++ b/src/me/topchetoeu/jscript/engine/Engine.java
@@ -8,6 +8,7 @@ import me.topchetoeu.jscript.engine.values.FunctionValue;
 import me.topchetoeu.jscript.events.Awaitable;
 import me.topchetoeu.jscript.events.DataNotifier;
 import me.topchetoeu.jscript.exceptions.EngineException;
+import me.topchetoeu.jscript.exceptions.InterruptException;
 
 public class Engine {
     private class UncompiledFunction extends FunctionValue {
@@ -76,7 +77,7 @@ public class Engine {
             }
             catch (InterruptedException e) {
                 for (var msg : macroTasks) {
-                    msg.notifier.error(new RuntimeException(e));
+                    msg.notifier.error(new InterruptException(e));
                 }
                 break;
             }
diff --git a/src/me/topchetoeu/jscript/engine/values/ObjectValue.java b/src/me/topchetoeu/jscript/engine/values/ObjectValue.java
index 2f21e3f..7bdf0a3 100644
--- a/src/me/topchetoeu/jscript/engine/values/ObjectValue.java
+++ b/src/me/topchetoeu/jscript/engine/values/ObjectValue.java
@@ -155,9 +155,7 @@ public class ObjectValue {
             if (prototype == SYNTAX_ERR_PROTO) return ctx.environment().proto("syntaxErr");
             if (prototype == TYPE_ERR_PROTO) return ctx.environment().proto("typeErr");
         }
-        catch (NullPointerException e) {
-            return null;
-        }
+        catch (NullPointerException e) { return null; }
 
         return (ObjectValue)prototype;
     }
diff --git a/src/me/topchetoeu/jscript/engine/values/Values.java b/src/me/topchetoeu/jscript/engine/values/Values.java
index ec261d5..9ca731a 100644
--- a/src/me/topchetoeu/jscript/engine/values/Values.java
+++ b/src/me/topchetoeu/jscript/engine/values/Values.java
@@ -15,8 +15,8 @@ import me.topchetoeu.jscript.engine.Operation;
 import me.topchetoeu.jscript.engine.frame.ConvertHint;
 import me.topchetoeu.jscript.exceptions.ConvertException;
 import me.topchetoeu.jscript.exceptions.EngineException;
-import me.topchetoeu.jscript.exceptions.InterruptException;
 import me.topchetoeu.jscript.exceptions.SyntaxException;
+import me.topchetoeu.jscript.exceptions.UncheckedException;
 
 public class Values {
     public static final Object NULL = new Object();
@@ -97,12 +97,8 @@ public class Values {
         var second = hint == ConvertHint.VALUEOF ? "toString" : "valueOf";
 
         if (ctx != null) {
-            try {
-                return tryCallConvertFunc(ctx, obj, first);
-            }
-            catch (EngineException unused) {
-                return tryCallConvertFunc(ctx, obj, second);
-            }
+            try { return tryCallConvertFunc(ctx, obj, first); }
+            catch (EngineException unused) { return tryCallConvertFunc(ctx, obj, second); }
         }
 
         throw EngineException.ofType("Value couldn't be converted to a primitive.");
@@ -120,10 +116,8 @@ public class Values {
         if (val instanceof Number) return number(val);
         if (val instanceof Boolean) return ((Boolean)val) ? 1 : 0;
         if (val instanceof String) {
-            try {
-                return Double.parseDouble((String)val);
-            }
-            catch (NumberFormatException e) { }
+            try { return Double.parseDouble((String)val); }
+            catch (Throwable e) { throw new UncheckedException(e); }
         }
         return Double.NaN;
     }
@@ -565,10 +559,6 @@ public class Values {
                     }
                 };
             }
-            catch (InterruptException e) {
-                Thread.currentThread().interrupt();
-                return null;
-            }
             catch (IllegalArgumentException | NullPointerException e) {
                 return Collections.emptyIterator();
             }
diff --git a/src/me/topchetoeu/jscript/events/Awaitable.java b/src/me/topchetoeu/jscript/events/Awaitable.java
index 7583892..8f2d9ec 100644
--- a/src/me/topchetoeu/jscript/events/Awaitable.java
+++ b/src/me/topchetoeu/jscript/events/Awaitable.java
@@ -1,7 +1,9 @@
 package me.topchetoeu.jscript.events;
 
+import me.topchetoeu.jscript.exceptions.InterruptException;
+
 public interface Awaitable<T> {
-    T await() throws FinishedException, InterruptedException;
+    T await() throws FinishedException;
 
     default Observable<T> toObservable() {
         return sub -> {
@@ -10,9 +12,7 @@ public interface Awaitable<T> {
                     sub.next(await());
                     sub.finish();
                 }
-                catch (InterruptedException | FinishedException e) {
-                    sub.finish();
-                }
+                catch (InterruptException | FinishedException e) { sub.finish(); }
                 catch (RuntimeException e) {
                     sub.error(e);
                 }
diff --git a/src/me/topchetoeu/jscript/exceptions/UncheckedException.java b/src/me/topchetoeu/jscript/exceptions/UncheckedException.java
new file mode 100644
index 0000000..4e730e7
--- /dev/null
+++ b/src/me/topchetoeu/jscript/exceptions/UncheckedException.java
@@ -0,0 +1,7 @@
+package me.topchetoeu.jscript.exceptions;
+
+public class UncheckedException extends RuntimeException {
+    public UncheckedException(Throwable err) {
+        super(err);
+    }
+}
diff --git a/src/me/topchetoeu/jscript/interop/NativeWrapperProvider.java b/src/me/topchetoeu/jscript/interop/NativeWrapperProvider.java
index 3a12212..c70043c 100644
--- a/src/me/topchetoeu/jscript/interop/NativeWrapperProvider.java
+++ b/src/me/topchetoeu/jscript/interop/NativeWrapperProvider.java
@@ -9,6 +9,7 @@ import me.topchetoeu.jscript.engine.values.FunctionValue;
 import me.topchetoeu.jscript.engine.values.NativeFunction;
 import me.topchetoeu.jscript.engine.values.ObjectValue;
 import me.topchetoeu.jscript.exceptions.EngineException;
+import me.topchetoeu.jscript.exceptions.UncheckedException;
 
 public class NativeWrapperProvider implements WrappersProvider {
     private final HashMap<Class<?>, FunctionValue> constructors = new HashMap<>();
@@ -120,7 +121,7 @@ public class NativeWrapperProvider implements WrappersProvider {
             var init = overload.getAnnotation(NativeInit.class);
             if (init == null || init.value() != InitType.PROTOTYPE) continue;
             try { overload.invoke(null, ctx, res); }
-            catch (ReflectiveOperationException e) { e.printStackTrace(); }
+            catch (Throwable e) { throw new UncheckedException(e); }
         }
 
         applyMethods(ctx, true, res, clazz);
@@ -152,7 +153,7 @@ public class NativeWrapperProvider implements WrappersProvider {
             var init = overload.getAnnotation(NativeInit.class);
             if (init == null || init.value() != InitType.CONSTRUCTOR) continue;
             try { overload.invoke(null, ctx, func); }
-            catch (ReflectiveOperationException e) { e.printStackTrace(); }
+            catch (Throwable e) { throw new UncheckedException(e); }
         }
 
         if (((OverloadFunction)func).overloads.size() == 0) {
@@ -180,7 +181,7 @@ public class NativeWrapperProvider implements WrappersProvider {
             var init = overload.getAnnotation(NativeInit.class);
             if (init == null || init.value() != InitType.NAMESPACE) continue;
             try { overload.invoke(null, ctx, res); }
-            catch (ReflectiveOperationException e) { e.printStackTrace(); }
+            catch (Throwable e) { throw new UncheckedException(e); }
         }
 
         applyMethods(ctx, false, res, clazz);
diff --git a/src/me/topchetoeu/jscript/interop/OverloadFunction.java b/src/me/topchetoeu/jscript/interop/OverloadFunction.java
index 87eebd0..4ea59e2 100644
--- a/src/me/topchetoeu/jscript/interop/OverloadFunction.java
+++ b/src/me/topchetoeu/jscript/interop/OverloadFunction.java
@@ -76,12 +76,8 @@ public class OverloadFunction extends FunctionValue {
             try {
                 return Values.normalize(ctx, overload.runner.run(ctx, _this, newArgs));
             }
-            catch (InstantiationException e) {
-                throw EngineException.ofError("The class may not be instantiated.");
-            }
-            catch (IllegalAccessException | IllegalArgumentException e) {
-                continue;
-            }
+            catch (InstantiationException e) { throw EngineException.ofError("The class may not be instantiated."); }
+            catch (IllegalAccessException | IllegalArgumentException e) { continue; }
             catch (InvocationTargetException e) {
                 var loc = new Location(0, 0, "<internal>");
                 if (e.getTargetException() instanceof EngineException) {
diff --git a/src/me/topchetoeu/jscript/lib/JSONLib.java b/src/me/topchetoeu/jscript/lib/JSONLib.java
index 4ce8acf..8d612df 100644
--- a/src/me/topchetoeu/jscript/lib/JSONLib.java
+++ b/src/me/topchetoeu/jscript/lib/JSONLib.java
@@ -74,9 +74,7 @@ public class JSONLib {
         try {
             return toJS(me.topchetoeu.jscript.json.JSON.parse("<value>", val));
         }
-        catch (SyntaxException e) {
-            throw EngineException.ofSyntax(e.msg);
-        }
+        catch (SyntaxException e) { throw EngineException.ofSyntax(e.msg); }
     }
     @Native
     public static String stringify(Context ctx, Object val) {
diff --git a/src/me/topchetoeu/jscript/lib/PromiseLib.java b/src/me/topchetoeu/jscript/lib/PromiseLib.java
index 40afcd4..1b53d2a 100644
--- a/src/me/topchetoeu/jscript/lib/PromiseLib.java
+++ b/src/me/topchetoeu/jscript/lib/PromiseLib.java
@@ -186,9 +186,7 @@ public class PromiseLib {
         if (thisArg instanceof PromiseLib) ((PromiseLib)thisArg).handle(ctx, fulfillHandle, rejectHandle);
         else {
             Object next;
-            try {
-                next = Values.getMember(ctx, thisArg, "then");
-            }
+            try { next = Values.getMember(ctx, thisArg, "then"); }
             catch (IllegalArgumentException e) { next = null; }
 
             try {
diff --git a/src/me/topchetoeu/jscript/lib/RegExpLib.java b/src/me/topchetoeu/jscript/lib/RegExpLib.java
index 39284f1..9828577 100644
--- a/src/me/topchetoeu/jscript/lib/RegExpLib.java
+++ b/src/me/topchetoeu/jscript/lib/RegExpLib.java
@@ -97,9 +97,7 @@ public class RegExpLib {
         var groups = new ObjectValue();
 
         for (var el : namedGroups) {
-            try {
-                groups.defineProperty(null, el, matcher.group(el));
-            }
+            try { groups.defineProperty(null, el, matcher.group(el)); }
             catch (IllegalArgumentException e) { }
         }
         if (groups.values.size() == 0) groups = null;