Merge branch 'develop' into copilot/support-cancellation-notification

Author: nixel2007

src/main/java/com/github/_1c_syntax/bsl/languageserver/BSLTextDocumentService.java

@@ -83,6 +83,7 @@
 import org.eclipse.lsp4j.FoldingRangeRequestParams;
 import org.eclipse.lsp4j.Hover;
 import org.eclipse.lsp4j.HoverParams;
+import org.eclipse.lsp4j.ImplementationParams;
 import org.eclipse.lsp4j.InlayHint;
 import org.eclipse.lsp4j.InlayHintParams;
 import org.eclipse.lsp4j.Location;
@@ -201,6 +202,13 @@ public CompletableFuture<Either<List<? extends Location>, List<? extends Locatio
     );
   }
 
+  @Override
+  public CompletableFuture<Either<List<? extends Location>, List<? extends LocationLink>>> implementation(
+    ImplementationParams params
+  ) {
+    return CompletableFuture.completedFuture(Either.forRight(Collections.emptyList()));
+  }
+
   @Override
   public CompletableFuture<List<? extends Location>> references(ReferenceParams params) {
     var documentContext = context.getDocument(params.getTextDocument().getUri());

src/test/java/com/github/_1c_syntax/bsl/languageserver/BSLTextDocumentServiceTest.java

@@ -31,6 +31,7 @@
 import org.eclipse.lsp4j.DidOpenTextDocumentParams;
 import org.eclipse.lsp4j.DidSaveTextDocumentParams;
 import org.eclipse.lsp4j.DocumentDiagnosticParams;
+import org.eclipse.lsp4j.ImplementationParams;
 import org.eclipse.lsp4j.Position;
 import org.eclipse.lsp4j.PrepareRenameParams;
 import org.eclipse.lsp4j.RenameParams;
@@ -313,6 +314,19 @@ void testCancellationSupport() throws IOException {
       assertThat(future.isCancelled()).isTrue();
     }
   }
+  
+  @Test
+  void testImplementation() throws ExecutionException, InterruptedException {
+    var params = new ImplementationParams();
+    params.setTextDocument(getTextDocumentIdentifier());
+    params.setPosition(new Position(0, 0));
+
+    var result = textDocumentService.implementation(params).get();
+
+    assertThat(result).isNotNull();
+    assertThat(result.isRight()).isTrue();
+    assertThat(result.getRight()).isEmpty();
+  }
 
   private File getTestFile() {
     return new File("./src/test/resources/BSLTextDocumentServiceTest.bsl");