ST6RI-914 Succession typed by connection def causes exception in SysML

kerml/src/examples/Simple Tests/Connectors.kerml

@@ -17,17 +17,27 @@ package Connectors {
 			end feature references a;
 			end feature references b;
 		}
+		binding ab1 : AS of a = b;
 
 		succession a then b;
 		succession s first a then b;
 		succession {
 			end feature references a;
 			end feature references b;
 		}
+		succession s1 : AS first a then b;
+
 	}
 
 	class B {
-	    feature a : A;	    
+	    feature a : A; 
 	    connector :> a.c1 from a.a to a.b;
 	}
+
+	assoc struct AS {
+		end a;
+		end b;
+	}
+
+
 }

org.omg.kerml.xtext/src/org/omg/kerml/xtext/library/KerMLLibraryProvider.xtend

@@ -1,6 +1,6 @@
 /*****************************************************************************
  * SysML 2 Pilot Implementation
- * Copyright (c) 2019-2020 Model Driven Solutions, Inc.
+ * Copyright (c) 2019-2020, 2026 Model Driven Solutions, Inc.
   *    
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -44,7 +44,7 @@ class KerMLLibraryProvider implements IModelLibraryProvider {
 	ResourceDescriptionsProvider resourceDescriptionProvider
 
 	override Element getElement(Element context, String name) {
-		if (context === null) {
+		if (context?.eResource()?.getResourceSet() === null || name === null) {
 			return null
 		} else {
 			val qname = nameConverter.toQualifiedName(name)

org.omg.sysml.xpect.tests/src/org/omg/sysml/xpect/tests/simpletests/ConnectionTest.sysml.xt

@@ -54,9 +54,21 @@ package ConnectionTest {
 
 		connect p1.x to y;
 		connect p1.x.x1 to y;
+
+		part a;
+		part b;
+
+		bind a = b;
+		binding ab bind a = b;
+		binding ab1 : AB bind a = b;
+
+		first a then b;
+		succession s first a then b;
+		succession s1 : AB first a then b;
 	}
 
 	abstract connection def C {
+		part p;
 		end end1;
 		end end2;
 		end end3;
@@ -77,7 +89,7 @@ package ConnectionTest {
 
 	connection {
 		part q;
-		end [2] ref end1 ::> d1 :> q;
+		end ref end1 ::> d1 :> q;
 		end end2 ::> d2;
 	}
 
@@ -92,7 +104,8 @@ package ConnectionTest {
 	part def B;
 
 	connection def AB {
-	    end a : A;
-	    end b : B crosses a.b;
+	    end [1] item a : A;
+	    end b : B;
 	}
+
 }

org.omg.sysml/src/org/omg/sysml/util/ImplicitGeneralizationMap.java

@@ -59,6 +59,7 @@ protected ImplicitGeneralizationMap() {
 
 		//checkBindingConnectorSpecialization
 		put(BindingConnectorImpl.class, "binary", "Links::selfLinks");
+		put(BindingConnectorImpl.class, "binaryObject", "Links::selfLinks");
 
 		//checkBooleanExpressionSpecialization
 		put(BooleanExpressionImpl.class, "base", "Performances::booleanEvaluations");
@@ -202,6 +203,7 @@ protected ImplicitGeneralizationMap() {
 
 		//checkSuccessionSpecialization
 		put(SuccessionImpl.class, "binary", "Occurrences::happensBeforeLinks");
+		put(SuccessionImpl.class, "binaryObject", "Occurrences::happensBeforeLinks");
 
 		//checkSuccessionSpecialization
 		put(SuccessionFlowImpl.class, "base", "Transfers::flowTransfersBefore");
@@ -285,6 +287,7 @@ protected ImplicitGeneralizationMap() {
 		put(BindingConnectorAsUsageImpl.class, "base", "Links::selfLinks");
 		//checkBindingConnectorSpecialization
 		put(BindingConnectorAsUsageImpl.class, "binary", "Links::selfLinks");
+		put(BindingConnectorAsUsageImpl.class, "binaryObject", "Links::selfLinks");
 
 		//checkCalculationDefinitionSpecialization
 		put(CalculationDefinitionImpl.class, "base", "Calculations::Calculation");
@@ -511,6 +514,7 @@ protected ImplicitGeneralizationMap() {
 		put(SuccessionAsUsageImpl.class, "base", "Occurrences::happensBeforeLinks");
 		//checkSuccessionSpecialization
 		put(SuccessionAsUsageImpl.class, "binary", "Occurrences::happensBeforeLinks");
+		put(SuccessionAsUsageImpl.class, "binaryObject", "Occurrences::happensBeforeLinks");
 		//checkDecisionNodeOutgoingSuccessionSpecialization
 		put(SuccessionAsUsageImpl.class, "decision", "ControlPerformances::DecisionPerformance::outgoingHBLink");
 		//checkMergeNodeIncomingSuccessionSpecialization

sysml/src/examples/Simple Tests/ConnectionTest.sysml

@@ -15,6 +15,17 @@ package ConnectionTest {
 
 		connect p1.x to y;
 		connect p1.x.x1 to y;
+
+		part a;
+		part b;
+
+		bind a = b;
+		binding ab bind a = b;
+		binding ab1 : AB bind a = b;
+
+		first a then b;
+		succession s first a then b;
+		succession s1 : AB first a then b;
 	}
 
 	abstract connection def C {
@@ -61,4 +72,6 @@ package ConnectionTest {
 	}
 
 	metadata def M;
+
+
 }