diff options
Diffstat (limited to 'helix-term/src/commands')
| -rw-r--r-- | helix-term/src/commands/lsp.rs | 115 |
1 files changed, 100 insertions, 15 deletions
diff --git a/helix-term/src/commands/lsp.rs b/helix-term/src/commands/lsp.rs index dcabfab1..8faf1d08 100644 --- a/helix-term/src/commands/lsp.rs +++ b/helix-term/src/commands/lsp.rs @@ -333,7 +333,14 @@ pub fn symbol_picker(cx: &mut Context) { let current_url = doc.url(); let offset_encoding = language_server.offset_encoding(); - let future = language_server.document_symbols(doc.identifier()); + let future = match language_server.document_symbols(doc.identifier()) { + Some(future) => future, + None => { + cx.editor + .set_error("Language server does not support document symbols"); + return; + } + }; cx.callback( future, @@ -365,7 +372,14 @@ pub fn workspace_symbol_picker(cx: &mut Context) { let current_url = doc.url(); let language_server = language_server!(cx.editor, doc); let offset_encoding = language_server.offset_encoding(); - let future = language_server.workspace_symbols("".to_string()); + let future = match language_server.workspace_symbols("".to_string()) { + Some(future) => future, + None => { + cx.editor + .set_error("Language server does not support workspace symbols"); + return; + } + }; cx.callback( future, @@ -493,7 +507,7 @@ pub fn code_action(cx: &mut Context) { let range = range_to_lsp_range(doc.text(), selection_range, offset_encoding); - let future = language_server.code_actions( + let future = match language_server.code_actions( doc.identifier(), range, // Filter and convert overlapping diagnostics @@ -509,7 +523,14 @@ pub fn code_action(cx: &mut Context) { .collect(), only: None, }, - ); + ) { + Some(future) => future, + None => { + cx.editor + .set_error("Language server does not support code actions"); + return; + } + }; cx.callback( future, @@ -617,9 +638,16 @@ pub fn execute_lsp_command(editor: &mut Editor, cmd: lsp::Command) { // the command is executed on the server and communicated back // to the client asynchronously using workspace edits - let command_future = language_server.command(cmd); + let future = match language_server.command(cmd) { + Some(future) => future, + None => { + editor.set_error("Language server does not support executing commands"); + return; + } + }; + tokio::spawn(async move { - let res = command_future.await; + let res = future.await; if let Err(e) = res { log::error!("execute LSP command: {}", e); @@ -853,7 +881,14 @@ pub fn goto_definition(cx: &mut Context) { let pos = doc.position(view.id, offset_encoding); - let future = language_server.goto_definition(doc.identifier(), pos, None); + let future = match language_server.goto_definition(doc.identifier(), pos, None) { + Some(future) => future, + None => { + cx.editor + .set_error("Language server does not support goto-definition"); + return; + } + }; cx.callback( future, @@ -871,7 +906,14 @@ pub fn goto_type_definition(cx: &mut Context) { let pos = doc.position(view.id, offset_encoding); - let future = language_server.goto_type_definition(doc.identifier(), pos, None); + let future = match language_server.goto_type_definition(doc.identifier(), pos, None) { + Some(future) => future, + None => { + cx.editor + .set_error("Language server does not support goto-type-definition"); + return; + } + }; cx.callback( future, @@ -889,7 +931,14 @@ pub fn goto_implementation(cx: &mut Context) { let pos = doc.position(view.id, offset_encoding); - let future = language_server.goto_implementation(doc.identifier(), pos, None); + let future = match language_server.goto_implementation(doc.identifier(), pos, None) { + Some(future) => future, + None => { + cx.editor + .set_error("Language server does not support goto-implementation"); + return; + } + }; cx.callback( future, @@ -907,7 +956,14 @@ pub fn goto_reference(cx: &mut Context) { let pos = doc.position(view.id, offset_encoding); - let future = language_server.goto_reference(doc.identifier(), pos, None); + let future = match language_server.goto_reference(doc.identifier(), pos, None) { + Some(future) => future, + None => { + cx.editor + .set_error("Language server does not support goto-reference"); + return; + } + }; cx.callback( future, @@ -950,7 +1006,13 @@ pub fn signature_help_impl(cx: &mut Context, invoked: SignatureHelpInvoked) { let future = match language_server.text_document_signature_help(doc.identifier(), pos, None) { Some(f) => f, - None => return, + None => { + if was_manually_invoked { + cx.editor + .set_error("Language server does not support signature-help"); + } + return; + } }; cx.callback( @@ -1051,7 +1113,14 @@ pub fn hover(cx: &mut Context) { let pos = doc.position(view.id, offset_encoding); - let future = language_server.text_document_hover(doc.identifier(), pos, None); + let future = match language_server.text_document_hover(doc.identifier(), pos, None) { + Some(future) => future, + None => { + cx.editor + .set_error("Language server does not support hover"); + return; + } + }; cx.callback( future, @@ -1121,8 +1190,16 @@ pub fn rename_symbol(cx: &mut Context) { let pos = doc.position(view.id, offset_encoding); - let task = language_server.rename_symbol(doc.identifier(), pos, input.to_string()); - match block_on(task) { + let future = + match language_server.rename_symbol(doc.identifier(), pos, input.to_string()) { + Some(future) => future, + None => { + cx.editor + .set_error("Language server does not support symbol renaming"); + return; + } + }; + match block_on(future) { Ok(edits) => apply_workspace_edit(cx.editor, offset_encoding, &edits), Err(err) => cx.editor.set_error(err.to_string()), } @@ -1137,7 +1214,15 @@ pub fn select_references_to_symbol_under_cursor(cx: &mut Context) { let pos = doc.position(view.id, offset_encoding); - let future = language_server.text_document_document_highlight(doc.identifier(), pos, None); + let future = match language_server.text_document_document_highlight(doc.identifier(), pos, None) + { + Some(future) => future, + None => { + cx.editor + .set_error("Language server does not support document highlight"); + return; + } + }; cx.callback( future, |