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@ -9,8 +9,8 @@ use helix_core::{
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object, pos_at_coords,
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regex::{self, Regex},
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register::Register,
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search, selection, surround, textobject, LineEnding, Position, Range, Rope, RopeGraphemes,
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RopeSlice, Selection, SmallVec, Tendril, Transaction,
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search, selection, surround, textobject, Change, LineEnding, Position, Range, Rope,
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RopeGraphemes, RopeSlice, Selection, SmallVec, Tendril, Transaction,
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};
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use helix_view::{
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@ -215,6 +215,7 @@ impl Command {
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append_mode,
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command_mode,
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file_picker,
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code_action,
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buffer_picker,
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symbol_picker,
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last_picker,
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@ -2092,6 +2093,120 @@ fn symbol_picker(cx: &mut Context) {
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)
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}
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pub fn code_action(cx: &mut Context) {
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let (view, doc) = current!(cx.editor);
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let language_server = match doc.language_server() {
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Some(language_server) => language_server,
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None => return,
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};
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let range = range_to_lsp_range(
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doc.text(),
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doc.selection(view.id).primary(),
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language_server.offset_encoding(),
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);
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let future = language_server.code_actions(doc.identifier(), range);
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let offset_encoding = language_server.offset_encoding();
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cx.callback(
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future,
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move |_editor: &mut Editor,
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compositor: &mut Compositor,
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response: Option<lsp::CodeActionResponse>| {
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if let Some(actions) = response {
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let picker = Picker::new(
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actions,
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|action| match action {
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lsp::CodeActionOrCommand::CodeAction(action) => {
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action.title.as_str().into()
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}
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lsp::CodeActionOrCommand::Command(command) => command.title.as_str().into(),
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},
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move |editor, code_action, _action| match code_action {
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lsp::CodeActionOrCommand::Command(command) => {
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log::debug!("code action command: {:?}", command);
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editor.set_error(String::from("Handling code action command is not implemented yet, see https://github.com/helix-editor/helix/issues/183"));
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}
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lsp::CodeActionOrCommand::CodeAction(code_action) => {
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log::debug!("code action: {:?}", code_action);
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if let Some(ref workspace_edit) = code_action.edit {
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apply_workspace_edit(editor, offset_encoding, workspace_edit)
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}
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}
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},
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);
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compositor.push(Box::new(picker))
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}
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},
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)
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}
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fn apply_workspace_edit(
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editor: &mut Editor,
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offset_encoding: OffsetEncoding,
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workspace_edit: &lsp::WorkspaceEdit,
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) {
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let edits_to_transaction = |doc: &Rope, edits: &Vec<&lsp::TextEdit>| {
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let lsp_pos_to_pos = |lsp_pos| lsp_pos_to_pos(&doc, lsp_pos, offset_encoding).unwrap();
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let changes = edits.iter().map(|edit| -> Change {
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log::debug!("text edit: {:?}", edit);
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// This clone probably could be optimized if Picker::new would give T instead of &T
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let text_replacement = Tendril::from(edit.new_text.clone());
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(
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lsp_pos_to_pos(edit.range.start),
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lsp_pos_to_pos(edit.range.end),
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Some(text_replacement),
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)
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});
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Transaction::change(doc, changes)
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};
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if let Some(ref changes) = workspace_edit.changes {
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log::debug!("workspace changes: {:?}", changes);
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editor.set_error(String::from("Handling workspace changesis not implemented yet, see https://github.com/helix-editor/helix/issues/183"));
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return;
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// Not sure if it works properly, it'll be safer to just panic here to avoid breaking some parts of code on which code actions will be used
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// TODO: find some example that uses workspace changes, and test it
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// for (url, edits) in changes.iter() {
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// let file_path = url.origin().ascii_serialization();
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// let file_path = std::path::PathBuf::from(file_path);
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// let file = std::fs::File::open(file_path).unwrap();
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// let mut text = Rope::from_reader(file).unwrap();
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// let transaction = edits_to_changes(&text, edits);
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// transaction.apply(&mut text);
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// }
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}
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if let Some(ref document_changes) = workspace_edit.document_changes {
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match document_changes {
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lsp::DocumentChanges::Edits(document_edits) => {
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for document_edit in document_edits {
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let (view, doc) = current!(editor);
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assert_eq!(doc.url().unwrap(), document_edit.text_document.uri);
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let edits = document_edit
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.edits
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.iter()
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.map(|edit| match edit {
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lsp::OneOf::Left(text_edit) => text_edit,
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lsp::OneOf::Right(annotated_text_edit) => {
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&annotated_text_edit.text_edit
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}
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})
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.collect();
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let transaction = edits_to_transaction(doc.text(), &edits);
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doc.apply(&transaction, view.id);
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}
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}
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lsp::DocumentChanges::Operations(operations) => {
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log::debug!("document changes - operations: {:?}", operations);
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editor.set_error(String::from("Handling document operations is not implemented yet, see https://github.com/helix-editor/helix/issues/183"));
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}
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}
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}
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}
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fn last_picker(cx: &mut Context) {
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// TODO: last picker does not seemed to work well with buffer_picker
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cx.callback = Some(Box::new(|compositor: &mut Compositor| {
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@ -3781,6 +3896,8 @@ mode_info! {
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"P" => paste_clipboard_before,
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/// replace selections with clipboard
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"R" => replace_selections_with_clipboard,
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/// perform code action
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"a" => code_action,
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/// keep primary selection
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"space" => keep_primary_selection,
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}
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Grzegorz Baranski
3 years ago
committed by
GitHub