fix(lsp): hack solution for workspace-wide PWD

Author: blindFS

crates/nu-lsp/src/workspace.rs

@@ -138,7 +138,17 @@ impl LanguageServer {
     ) -> Option<Vec<Location>> {
         self.occurrences = BTreeMap::new();
         let path_uri = params.text_document_position.text_document.uri.to_owned();
-        let mut engine_state = self.new_engine_state(None);
+
+        // HACK: when current file is imported (use keyword) by others in the workspace,
+        // it will get parsed a second time via `parse_module_block`, so that its definitions'
+        // ids are renewed, making it harder to track the references.
+        // The fake Uri stops that with `ParseError::ModuleNotFound`,
+        // which seems benign for tasks like this.
+        // FIXME: cross-file shadowing can still cause false-positive/false-negative cases
+        let mut engine_state = self.new_engine_state(Some(&path_to_uri(
+            "/non-exisiting-directory/non-existing-file",
+        )));
+
         let (_, id, span, _) = self
             .parse_and_find(
                 &mut engine_state,
@@ -199,7 +209,16 @@ impl LanguageServer {
         self.occurrences = BTreeMap::new();
 
         let path_uri = params.text_document.uri.to_owned();
-        let mut engine_state = self.new_engine_state(None);
+
+        // HACK: when current file is imported (use keyword) by others in the workspace,
+        // it will get parsed a second time via `parse_module_block`, so that its definitions'
+        // ids are renewed, making it harder to track the references.
+        // The fake Uri stops that with `ParseError::ModuleNotFound`,
+        // which seems benign for tasks like this.
+        // FIXME: cross-file shadowing can still cause false-positive/false-negative cases
+        let mut engine_state = self.new_engine_state(Some(&path_to_uri(
+            "/non-exisiting-directory/non-existing-file",
+        )));
 
         let (working_set, id, span, file_offset) =
             self.parse_and_find(&mut engine_state, &path_uri, params.position)?;