add tests for semantic token generation

src/language/context-mapper-dsl.langium

@@ -2,15 +2,13 @@ grammar ContextMapperDsl
 
 terminal ID: /[_a-zA-Z][\w_]*/;
 terminal STRING: /"(\\.|[^"\\])*"|'(\\.|[^'\\])*'/;
-terminal ML_COMMENT: /\/\*[\s\S]*?\*\//;
-terminal SL_COMMENT: /\/\/[^\n\r]*/;
 
 terminal OPEN: '{';
 terminal CLOSE: '}';
 
 hidden terminal WS: /\s+/;
-hidden terminal HIDDEN_ML_COMMENT: ML_COMMENT;
-hidden terminal HIDDEN_SL_COMMENT: SL_COMMENT;
+hidden terminal ML_COMMENT: /\/\*[\s\S]*?\*\//;
+hidden terminal SL_COMMENT: /\/\/[^\n\r]*/;
 
 entry ContextMappingModel:
 	(
@@ -169,7 +167,7 @@ CustomerSupplierRelationship:
 		(OPEN 
 			(
 				('implementationTechnology' ('=')? implementationTechnology=STRING) &
-				(('exposedAggregates' ('=')? upstreamExposedAggregates+=[Aggregate]) ("," upstreamExposedAggregates+=[Aggregate])* (exposedAggregatesComment=SL_COMMENT)?) &
+				(('exposedAggregates' ('=')? upstreamExposedAggregates+=[Aggregate]) ("," upstreamExposedAggregates+=[Aggregate])*) &
 				('downstreamRights' ('=')? downstreamGovernanceRights=DownstreamGovernanceRights)
 			)
 		CLOSE)?
@@ -182,8 +180,8 @@ Aggregate:
     (
     	(('responsibilities' ('=')? responsibilities+=STRING) ("," responsibilities+=STRING)*) &
     	(
-    		(('useCases' ('=')? userRequirements+=[UseCase]) ("," userRequirements+=[UseCase])*) |
-    		(('userStories' ('=')? userRequirements+=[UserStory]) ("," userRequirements+=[UserStory])*) |
+    		(('useCases' ('=')? useCases+=[UseCase]) ("," useCases+=[UseCase])*) |
+    		(('userStories' ('=')? userStories+=[UserStory]) ("," userStories+=[UserStory])*) |
     		((('features' | 'userRequirements') ('=')? userRequirements+=[UserRequirement]) ("," userRequirements+=[UserRequirement])*)
     	) &
     	('owner' ('=')? owner=[BoundedContext]) &

src/language/semantictokens/HighlightingHelper.ts

@@ -18,6 +18,14 @@ export function highlightKeyword (node: AstNode, acceptor: SemanticTokenAcceptor
   })
 }
 
+export function highlightOperator (node: AstNode, acceptor: SemanticTokenAcceptor, operator: string) {
+  acceptor({
+    node,
+    type: SemanticTokenTypes.operator,
+    keyword: operator
+  })
+}
+
 export function highlightType (node: AstNode, acceptor: SemanticTokenAcceptor, property: string, modifiers: string[] = []) {
   acceptor({
     node,

src/language/semantictokens/boundedContext/AggregateSemanticTokenProvider.ts

@@ -1,4 +1,4 @@
-import { Aggregate, isAggregate, isUseCase, isUserRequirement, isUserStory } from '../../generated/ast.js'
+import { Aggregate, isAggregate } from '../../generated/ast.js'
 import { SemanticTokenAcceptor } from 'langium/lsp'
 import { SemanticTokenTypes } from 'vscode-languageserver-types'
 import { highlightField, highlightString, highlightTypeDeclaration } from '../HighlightingHelper.js'
@@ -22,7 +22,15 @@ export class AggregateSemanticTokenProvider implements ContextMapperSemanticToke
     }
 
     if (node.userRequirements.length > 0) {
-      this.highlightUserRequirements(node, acceptor)
+      highlightField(node, acceptor, ['userRequirements', 'features'], 'userRequirements', SemanticTokenTypes.type)
+    }
+
+    if (node.useCases.length > 0) {
+      highlightField(node, acceptor, ['useCases'], 'useCases', SemanticTokenTypes.type)
+    }
+
+    if (node.userStories.length > 0) {
+      highlightField(node, acceptor, ['userStories'], 'userStories', SemanticTokenTypes.type)
     }
 
     if (node.owner) {
@@ -53,10 +61,6 @@ export class AggregateSemanticTokenProvider implements ContextMapperSemanticToke
       highlightField(node, acceptor, ['storageSimilarity'], 'storageSimilarity')
     }
 
-    if (node.storageSimilarity) {
-      highlightField(node, acceptor, ['storageSimilarity'], 'storageSimilarity')
-    }
-
     if (node.securityCriticality) {
       highlightField(node, acceptor, ['securityCriticality'], 'securityCriticality')
     }
@@ -69,18 +73,4 @@ export class AggregateSemanticTokenProvider implements ContextMapperSemanticToke
       highlightField(node, acceptor, ['securityAccessGroup'], 'securityAccessGroup', SemanticTokenTypes.string)
     }
   }
-
-  private highlightUserRequirements (node: Aggregate, acceptor: SemanticTokenAcceptor) {
-    const keywords = []
-    if (isUseCase(node.userRequirements[0])) {
-      keywords.push('useCases')
-    } else if (isUserRequirement(node.userRequirements[0])) {
-      keywords.push('userRequirements')
-      keywords.push('features')
-    } else if (isUserStory(node.userRequirements[0])) {
-      keywords.push('userStories')
-    }
-
-    highlightField(node, acceptor, keywords, 'userRequirements', SemanticTokenTypes.type)
-  }
 }