(royale-compiler) branch develop updated: MethodBodySemanticChecker: don't allow an arrow function to be used with new as a constructor

[joshtynjala]

This is an automated email from the ASF dual-hosted git repository.

joshtynjala pushed a commit to branch develop
in repository https://gitbox.apache.org/repos/asf/royale-compiler.git


The following commit(s) were added to refs/heads/develop by this push:
     new 8cee3fb63 MethodBodySemanticChecker: don't allow an arrow function to 
be used with new as a constructor
8cee3fb63 is described below

commit 8cee3fb636fa987e460947da24033b2039f65d42
Author: Josh Tynjala <joshtynj...@apache.org>
AuthorDate: Tue Jan 27 12:06:07 2026 -0800

    MethodBodySemanticChecker: don't allow an arrow function to be used with 
new as a constructor
---
 .../semantics/MethodBodySemanticChecker.java       |  4 +++
 .../ArrowFunctionCannotBeConstructorProblem.java   | 38 ++++++++++++++++++++++
 2 files changed, 42 insertions(+)

diff --git 
a/compiler/src/main/java/org/apache/royale/compiler/internal/semantics/MethodBodySemanticChecker.java
 
b/compiler/src/main/java/org/apache/royale/compiler/internal/semantics/MethodBodySemanticChecker.java
index e9bb165c2..6dfc63764 100644
--- 
a/compiler/src/main/java/org/apache/royale/compiler/internal/semantics/MethodBodySemanticChecker.java
+++ 
b/compiler/src/main/java/org/apache/royale/compiler/internal/semantics/MethodBodySemanticChecker.java
@@ -2796,6 +2796,10 @@ public class MethodBodySemanticChecker
                addProblem(new UnresolvedClassReferenceProblem(call_node, 
func_name.getDisplayString()));
             }
         }
+        else if (name instanceof IArrowFunctionBindNode)
+        {
+            addProblem(new ArrowFunctionCannotBeConstructorProblem(call_node));
+        }
     }
 
     /**
diff --git 
a/compiler/src/main/java/org/apache/royale/compiler/problems/ArrowFunctionCannotBeConstructorProblem.java
 
b/compiler/src/main/java/org/apache/royale/compiler/problems/ArrowFunctionCannotBeConstructorProblem.java
new file mode 100644
index 000000000..fc5a7b9dd
--- /dev/null
+++ 
b/compiler/src/main/java/org/apache/royale/compiler/problems/ArrowFunctionCannotBeConstructorProblem.java
@@ -0,0 +1,38 @@
+/*
+ *
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+
+package org.apache.royale.compiler.problems;
+
+import org.apache.royale.compiler.tree.as.IASNode;
+
+/**
+ *  Strict semantics diagnostic emitted when the method body
+ *  semantic checker detects an attempt to call a non-constructor
+ *  instance method as a constructor.
+ */
+public final class ArrowFunctionCannotBeConstructorProblem extends 
StrictSemanticsProblem
+{
+    public static final String DESCRIPTION =
+        "Arrow function cannot be used as a constructor.";
+
+    public ArrowFunctionCannotBeConstructorProblem(IASNode site)
+    {
+        super(site);
+    }
+}