add dot compeletion to vhdl

src/completion/vhdl.rs

@@ -58,7 +58,16 @@ pub fn completion(server: &LSPServer, params: &CompletionParams) -> Option<Compl
                     // 按下 . 时需要触发的补全效果
                     "." => {
                         info!("trigger vhdl dot completion");
-                        None
+                        let mut completion_items = server.srcs.get_completions(
+                            &token,
+                            file.text.pos_to_byte(&doc.position),
+                            &doc.text_document.uri,
+                        )?;
+                        
+                        completion_items.items.extend(vhdl_project_completion_items);
+
+                        completion_items.items.dedup_by_key(|i| i.label.to_string());
+                        Some(completion_items)
                     },
                     _ => None,
                 }