core: Add a provider type to track the origin of a completion

helix-core/src/completion.rs

@@ -1,6 +1,6 @@
 use std::borrow::Cow;
 
-use crate::Transaction;
+use crate::{diagnostic::LanguageServerId, Transaction};
 
 #[derive(Debug, PartialEq, Clone)]
 pub struct CompletionItem {
@@ -9,4 +9,17 @@ pub struct CompletionItem {
     pub kind: Cow<'static, str>,
     /// Containing Markdown
     pub documentation: String,
+    pub provider: CompletionProvider,
+}
+
+#[derive(Debug, PartialEq, Eq, Hash, Clone, Copy)]
+pub enum CompletionProvider {
+    Lsp(LanguageServerId),
+    Path,
+}
+
+impl From<LanguageServerId> for CompletionProvider {
+    fn from(id: LanguageServerId) -> Self {
+        CompletionProvider::Lsp(id)
+    }
 }

helix-term/src/handlers/completion/path.rs

@@ -6,7 +6,7 @@ use std::{
 };
 
 use futures_util::{future::BoxFuture, FutureExt as _};
-use helix_core::{self as core, Selection, Transaction};
+use helix_core::{self as core, completion::CompletionProvider, Selection, Transaction};
 use helix_event::TaskHandle;
 use helix_stdx::path::{self, canonicalize, fold_home_dir, get_path_suffix};
 use helix_view::Document;
@@ -103,6 +103,7 @@ pub(crate) fn path_completion(
                     label: file_name.into(),
                     transaction,
                     documentation,
+                    provider: CompletionProvider::Path,
                 }))
             })
             .collect::<Vec<_>>()