This is the full list of changes I made to Core, which as enough to cause the
errors when opening my project which uses AsyncTasks.
diff --git
a/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/AsyncTask.as
b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/AsyncTask.as
index 541b3827be..9b92553de1 100644
---
a/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/AsyncTask.as
+++
b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/AsyncTask.as
@@ -136,7 +136,7 @@ package org.apache.royale.utils.async
* @playerversion AIR 2.6
* @productversion Royale 0.9.6
*/
- public function done(callback:Function):IAsyncTask{
+ public function done(callback:(task:IAsyncTask)=>void):IAsyncTask{
if(_status == "complete" || _status == "failed"){
callback(this);
return this;
@@ -158,7 +158,7 @@ package org.apache.royale.utils.async
* @playerversion AIR 2.6
* @productversion Royale 0.9.13
*/
- public function exec(callback:Function):IAsyncTask
+ public function exec(callback:(task:IAsyncTask)=>void):IAsyncTask
{
done(callback);
run();
diff --git
a/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/CompoundAsyncTask.as
b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/CompoundAsyncTask.as
index 55a89368ed..4b9871e199 100644
---
a/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/CompoundAsyncTask.as
+++
b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/CompoundAsyncTask.as
@@ -184,12 +184,10 @@ package org.apache.royale.utils.async
* @langversion 3.0
* @productversion Royale 0.9.9
*/
- public static function
execute(tasks:Array,callback:Function,failEarly:Boolean=false):void{
+ public static function
execute(tasks:Array,callback:(task:IAsyncTask)=>void,failEarly:Boolean=false):void{
var task:CompoundAsyncTask = new
CompoundAsyncTask(tasks);
task.failEarly = failEarly;
- task.done(function():void{
- callback(task);
- });
+ task.done(callback);
task.run();
}
}
diff --git
a/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/IAsyncTask.as
b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/IAsyncTask.as
index 9f3565ff14..064c7395b8 100644
---
a/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/IAsyncTask.as
+++
b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/IAsyncTask.as
@@ -20,8 +20,8 @@ package org.apache.royale.utils.async
{
public interface IAsyncTask
{
- function done(callback:Function):IAsyncTask;
- function exec(callback:Function):IAsyncTask;
+ function done(callback:(task:IAsyncTask)=>void):IAsyncTask;
+ function exec(callback:(task:IAsyncTask)=>void):IAsyncTask;
function run(data:Object=null):void;
function complete():void;
diff --git
a/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/SequentialAsyncTask.as
b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/SequentialAsyncTask.as
index d5d8cd60c7..f1b160e606 100644
---
a/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/SequentialAsyncTask.as
+++
b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/SequentialAsyncTask.as
@@ -83,12 +83,10 @@ package org.apache.royale.utils.async
* @langversion 3.0
* @productversion Royale 0.9.9
*/
- public static function
execute(tasks:Array,callback:Function,failEarly:Boolean=false):void{
+ public static function
execute(tasks:Array,callback:(task:IAsyncTask)=>void,failEarly:Boolean=false):void{
var task:SequentialAsyncTask = new
SequentialAsyncTask(tasks);
task.failEarly = failEarly;
- task.done(function():void{
- callback(task);
- });
+ task.done(callback);
task.run();
}
}
> On Jan 27, 2026, at 12:34 AM, Harbs <[email protected]> wrote:
>
> Still getting errors:
>
> Unexpected exception 'java.lang.NullPointerException' with message
> '${exceptionMessage}' at
> org.apache.royale.compiler.internal.tree.as.FunctionTypeExpressionNode.parseSignature:195
>
> org.apache.royale.compiler.internal.tree.as.FunctionTypeExpressionNode.createTypeNodeFromParameterDefinition:246
>
> org.apache.royale.compiler.internal.tree.as.FunctionTypeExpressionNode.createFromFunctionDefinition:157
>
> org.apache.royale.compiler.internal.semantics.MethodBodySemanticChecker.checkFormalsVsActuals:1180
>
> org.apache.royale.compiler.internal.semantics.MethodBodySemanticChecker.checkFunctionCall:1474
>
> org.apache.royale.compiler.internal.as.codegen.ABCGeneratingReducer.reduce_functionAsMemberExpr:3890
>
> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.action_349:5971
>
> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.dispatchAction:9331
>
> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduceAntecedent:40375
>
> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.dispatchAction:7568
>
> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduceAntecedent:40375
>
> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.dispatchAction:10191
>
> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduceAntecedent:40375
> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduce:40352
>
> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduceSubgoals:40403
>
> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduceAntecedent:40374
> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduce:40352
>
> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduceSubgoals:40394
>
> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduceAntecedent:40374
> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduce:40352
> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.burm:40654
>
> org.apache.royale.compiler.internal.as.codegen.ABCGenerator.generateInstructions:235
>
> org.apache.royale.compiler.internal.as.codegen.ABCGenerator.generateMethodBodyForFunction:416
>
> org.apache.royale.compiler.internal.as.codegen.ABCGenerator.generateMethodBodyForFunction:370
>
> org.apache.royale.compiler.internal.as.codegen.ABCGenerator.generateFunction:272
>
> org.apache.royale.compiler.internal.as.codegen.ClassDirectiveProcessor.declareFunction:891
>
> org.apache.royale.compiler.internal.as.codegen.DirectiveProcessor.processNode:218
>
> org.apache.royale.compiler.internal.as.codegen.DirectiveProcessor.traverse:192
>
> org.apache.royale.compiler.internal.as.codegen.GlobalDirectiveProcessor.declareClass:462
>
> org.apache.royale.compiler.internal.as.codegen.DirectiveProcessor.processNode:210
>
> org.apache.royale.compiler.internal.as.codegen.DirectiveProcessor.traverse:192
>
> org.apache.royale.compiler.internal.as.codegen.GlobalDirectiveProcessor.declarePackage:488
>
> org.apache.royale.compiler.internal.as.codegen.DirectiveProcessor.processNode:227
>
> org.apache.royale.compiler.internal.as.codegen.DirectiveProcessor.traverse:192
> org.apache.royale.compiler.internal.as.codegen.ABCGenerator.generate:126
>
> org.apache.royale.compiler.internal.units.ASCompilationUnit.handleABCBytesRequest:412
>
> org.apache.royale.compiler.internal.units.CompilationUnitBase.processABCBytesRequest:876
>
> org.apache.royale.compiler.internal.units.CompilationUnitBase$4$1.call:313
>
> org.apache.royale.compiler.internal.units.CompilationUnitBase$4$1.call:309
>
> org.apache.royale.compiler.internal.units.requests.RequestMaker$1.call:228
>
> org.apache.royale.compiler.internal.units.requests.RequestMaker$1.call:222
> java.util.concurrent.FutureTask.run:264
> java.util.concurrent.ThreadPoolExecutor.runWorker:1128
> java.util.concurrent.ThreadPoolExecutor$Worker.run:628
> java.lang.Thread.run:829
>
>> On Jan 27, 2026, at 12:14 AM, Harbs <[email protected]> wrote:
>>
>> Will do. Thanks.
>>
>>> On Jan 27, 2026, at 12:07 AM, Josh Tynjala <[email protected]>
>>> wrote:
>>>
>>> Please try again with the latest compiler commits. It should be fixed now.
>>>
>>> --
>>> Josh Tynjala
>>> Bowler Hat LLC
>>> https://bowlerhat.dev/
>>>
>>>
>>> On Mon, Jan 26, 2026 at 11:34 AM Harbs <[email protected]> wrote:
>>>
>>>> Cool. Thanks!
>>>>
>>>>> On Jan 26, 2026, at 8:07 PM, Josh Tynjala <[email protected]>
>>>> wrote:
>>>>>
>>>>> I'll check it out. Looking at where the exception is thrown, I have a
>>>>> pretty good idea of what is null and how to go about fixing it.
>>>>>
>>>>> --
>>>>> Josh Tynjala
>>>>> Bowler Hat LLC
>>>>> https://bowlerhat.dev/
>>>>>
>>>>>
>>>>> On Mon, Jan 26, 2026 at 9:43 AM Harbs <[email protected]> wrote:
>>>>>
>>>>>> I wanted to try out the new typed functions and I’m getting lots of
>>>>>> errors. Here’s what I tried:
>>>>>>
>>>>>> 1. I converted a bunch of function. declarations in Core:
>>>>>> diff --git
>>>>>>
>>>> a/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/object/defineGetter.as
>>>>>>
>>>> b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/object/defineGetter.as
>>>>>> index 6fb9ce411a..50adfadbbe 100644
>>>>>> ---
>>>>>>
>>>> a/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/object/defineGetter.as
>>>>>> +++
>>>>>>
>>>> b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/object/defineGetter.as
>>>>>> @@ -28,7 +28,7 @@ package org.apache.royale.utils.object
>>>>>> * @royalesuppressexport
>>>>>> */
>>>>>> COMPILE::JS
>>>>>> - public function
>>>>>> defineGetter(obj:Object,prop:String,getterFunction:Function):void
>>>>>> + public function
>>>> defineGetter(obj:Object,prop:String,getterFunction:()
>>>>>> => *):void
>>>>>> {
>>>>>> Object.defineProperty(obj, prop, {"get": getterFunction});
>>>>>> }
>>>>>>
>>>>>>
>>>>>> diff --git
>>>>>>
>>>> a/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/IAsyncTask.as
>>>>>>
>>>> b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/IAsyncTask.as
>>>>>> index 9f3565ff14..c6b7402a6d 100644
>>>>>> ---
>>>>>>
>>>> a/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/IAsyncTask.as
>>>>>> +++
>>>>>>
>>>> b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/IAsyncTask.as
>>>>>> @@ -20,8 +20,8 @@ package org.apache.royale.utils.async
>>>>>> {
>>>>>> public interface IAsyncTask
>>>>>> {
>>>>>> - function done(callback:Function):IAsyncTask;
>>>>>> - function exec(callback:Function):IAsyncTask;
>>>>>> + function done(callback:(task:IAsyncTask) =>
>>>>>> void):IAsyncTask;
>>>>>> + function exec(callback:(task:IAsyncTask) =>
>>>>>> void):IAsyncTask;
>>>>>> function run(data:Object=null):void;
>>>>>>
>>>>>> function complete():void;
>>>>>>
>>>>>>
>>>>>> diff --git
>>>>>>
>>>> a/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/AsyncTask.as
>>>>>>
>>>> b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/AsyncTask.as
>>>>>> index 541b3827be..47a71323de 100644
>>>>>> ---
>>>>>>
>>>> a/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/AsyncTask.as
>>>>>> +++
>>>>>>
>>>> b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/async/AsyncTask.as
>>>>>> @@ -136,7 +136,7 @@ package org.apache.royale.utils.async
>>>>>> * @playerversion AIR 2.6
>>>>>> * @productversion Royale 0.9.6
>>>>>> */
>>>>>> - public function done(callback:Function):IAsyncTask{
>>>>>> + public function done(callback:(task:IAsyncTask) =>
>>>> void):IAsyncTask{
>>>>>> if(_status == "complete" || _status == "failed"){
>>>>>> callback(this);
>>>>>> return this;
>>>>>> @@ -158,7 +158,7 @@ package org.apache.royale.utils.async
>>>>>> * @playerversion AIR 2.6
>>>>>> * @productversion Royale 0.9.13
>>>>>> */
>>>>>> - public function exec(callback:Function):IAsyncTask
>>>>>> + public function exec(callback:(task:IAsyncTask) => void):IAsyncTask
>>>>>> {
>>>>>> done(callback);
>>>>>> run();
>>>>>> @@ -200,7 +200,7 @@ package org.apache.royale.utils.async
>>>>>> * Keep references to event listeners for automatic cleanup
>>>>>> */
>>>>>> COMPILE::JS
>>>>>> - override public function addEventListener(type:String,
>>>>>> handler:Function, useCapture:Boolean = false, scope:Object = null):void
>>>>>> + override public function addEventListener(type:String,
>>>>>> handler:(ev:Event) => void, useCapture:Boolean = false, scope:Object =
>>>>>> null):void
>>>>>> {
>>>>>> super.addEventListener(type,handler,useCapture,scope);
>>>>>> if(!listeners)
>>>>>> @@ -214,7 +214,7 @@ package org.apache.royale.utils.async
>>>>>> });
>>>>>> }
>>>>>> COMPILE::SWF
>>>>>> - override public function addEventListener(type:String,
>>>>>> listener:Function, useCapture:Boolean = false, priority:int = 0,
>>>>>> useWeakReference:Boolean = false):void
>>>>>> + override public function addEventListener(type:String,
>>>>>> listener:(ev:Event) => void, useCapture:Boolean = false, priority:int =
>>>> 0,
>>>>>> useWeakReference:Boolean = false):void
>>>>>> {
>>>>>> if(!listeners)
>>>>>> {
>>>>>> 2. I compiled Core
>>>>>> 3. I opened my project
>>>>>> 4. I got a bunch of:
>>>>>> Unexpected exception 'java.lang.NullPointerException' with message
>>>>>> '${exceptionMessage}' at org.apache.royale.compiler.internal.tree.as
>>>>>> .FunctionTypeExpressionNode.parseSignature:195
>>>>>> org.apache.royale.compiler.internal.tree.as
>>>>>> .FunctionTypeExpressionNode.createTypeNodeFromParameterDefinition:246
>>>>>> org.apache.royale.compiler.internal.tree.as
>>>>>> .FunctionTypeExpressionNode.createFromFunctionDefinition:157
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.semantics.MethodBodySemanticChecker.checkFormalsVsActuals:1180
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.semantics.MethodBodySemanticChecker.checkFunctionCall:1474
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.ABCGeneratingReducer.reduce_functionAsMemberExpr:3890
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.action_349:5971
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.dispatchAction:9331
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduceAntecedent:40375
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.dispatchAction:7568
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduceAntecedent:40375
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.dispatchAction:10191
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduceAntecedent:40375
>>>>>>
>>>>>> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduce:40352
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduceSubgoals:40403
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduceAntecedent:40374
>>>>>>
>>>>>> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduce:40352
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduceSubgoals:40394
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduceAntecedent:40374
>>>>>>
>>>>>> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.reduce:40352
>>>>>>
>>>>>> org.apache.royale.compiler.internal.as.codegen.CmcEmitter.burm:40654
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.ABCGenerator.generateInstructions:235
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.ABCGenerator.generateMethodBodyForFunction:416
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.ABCGenerator.generateMethodBodyForFunction:370
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.ABCGenerator.generateFunction:272
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.ClassDirectiveProcessor.declareFunction:891
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.DirectiveProcessor.processNode:218
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.DirectiveProcessor.traverse:192
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.GlobalDirectiveProcessor.declareClass:462
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.DirectiveProcessor.processNode:210
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.DirectiveProcessor.traverse:192
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.GlobalDirectiveProcessor.declarePackage:488
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.DirectiveProcessor.processNode:227
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.as.codegen.DirectiveProcessor.traverse:192
>>>>>>
>>>>>> org.apache.royale.compiler.internal.as.codegen.ABCGenerator.generate:126
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.units.ASCompilationUnit.handleABCBytesRequest:412
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.units.CompilationUnitBase.processABCBytesRequest:876
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.units.CompilationUnitBase$4$1.call:313
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.units.CompilationUnitBase$4$1.call:309
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.units.requests.RequestMaker$1.call:228
>>>>>>
>>>>>>
>>>> org.apache.royale.compiler.internal.units.requests.RequestMaker$1.call:222
>>>>>> java.util.concurrent.FutureTask.run:264
>>>>>> java.util.concurrent.ThreadPoolExecutor.runWorker:1128
>>>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run:628
>>>>>> java.lang.Thread.run:829
>>>>
>>>>
>>
>
