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
>>>
>>>
>
