feat(language): datatype declarations

Also changes ReferenceDeclaration to declare attributes, since reference and
attributes can only be distinguished at linking time.

1 files changed, 5 insertions, 0 deletions

diff --git a/subprojects/language-ide/src/main/java/tools/refinery/language/ide/syntaxcoloring/ProblemSemanticHighlightingCalculator.java b/subprojects/language-ide/src/main/java/tools/refinery/language/ide/syntaxcoloring/ProblemSemanticHighlightingCalculator.java
index 891c73c7..587f9acb 100644
--- a/subprojects/language-ide/src/main/java/tools/refinery/language/ide/syntaxcoloring/ProblemSemanticHighlightingCalculator.java
+++ b/subprojects/language-ide/src/main/java/tools/refinery/language/ide/syntaxcoloring/ProblemSemanticHighlightingCalculator.java
@@ -21,11 +21,13 @@ import tools.refinery.language.model.problem.*;
 import tools.refinery.language.utils.ProblemDesugarer;
 import tools.refinery.language.utils.ProblemUtil;
 
+import javax.xml.crypto.Data;
 import java.util.List;
 
 public class ProblemSemanticHighlightingCalculator extends DefaultSemanticHighlightingCalculator {
         private static final String BUILTIN_CLASS = "builtin";
         private static final String ABSTRACT_CLASS = "abstract";
+        private static final String DATATYPE_CLASS = "datatype";
         private static final String CONTAINMENT_CLASS = "containment";
         private static final String ERROR_CLASS = "error";
         private static final String NODE_CLASS = "node";
@@ -112,6 +114,9 @@ public class ProblemSemanticHighlightingCalculator extends DefaultSemanticHighli
                 if (eObject instanceof ClassDeclaration classDeclaration && classDeclaration.isAbstract()) {
                         classesBuilder.add(ABSTRACT_CLASS);
                 }
+                if (eObject instanceof DatatypeDeclaration) {
+                        classesBuilder.add(DATATYPE_CLASS);
+                }
                 if (eObject instanceof ReferenceDeclaration referenceDeclaration
                                 && desugarer.isContainmentReference(referenceDeclaration)) {
                         classesBuilder.add(CONTAINMENT_CLASS);