1use super::{
2 stack_frame_list::{StackFrameList, StackFrameListEvent},
3 variable_list::VariableList,
4};
5use alacritty_terminal::vte::ansi;
6use anyhow::Result;
7use collections::HashMap;
8use dap::{CompletionItem, CompletionItemType, OutputEvent};
9use editor::{
10 Bias, CompletionProvider, Editor, EditorElement, EditorMode, EditorStyle, ExcerptId,
11 MultiBufferOffset, SizingBehavior,
12};
13use fuzzy::StringMatchCandidate;
14use gpui::{
15 Action as _, AppContext, Context, Corner, Entity, FocusHandle, Focusable, HighlightStyle, Hsla,
16 Render, Subscription, Task, TextStyle, WeakEntity, actions,
17};
18use language::{Anchor, Buffer, CharScopeContext, CodeLabel, TextBufferSnapshot, ToOffset};
19use menu::{Confirm, SelectNext, SelectPrevious};
20use project::{
21 CompletionDisplayOptions, CompletionResponse,
22 debugger::session::{CompletionsQuery, OutputToken, Session},
23 lsp_store::CompletionDocumentation,
24 search_history::{SearchHistory, SearchHistoryCursor},
25};
26use settings::Settings;
27use std::fmt::Write;
28use std::{ops::Range, rc::Rc, usize};
29use theme::{Theme, ThemeSettings};
30use ui::{ContextMenu, Divider, PopoverMenu, SplitButton, Tooltip, prelude::*};
31use util::ResultExt;
32
33actions!(
34 console,
35 [
36 /// Adds an expression to the watch list.
37 WatchExpression
38 ]
39);
40
41pub struct Console {
42 console: Entity<Editor>,
43 query_bar: Entity<Editor>,
44 session: Entity<Session>,
45 _subscriptions: Vec<Subscription>,
46 variable_list: Entity<VariableList>,
47 stack_frame_list: Entity<StackFrameList>,
48 last_token: OutputToken,
49 update_output_task: Option<Task<()>>,
50 focus_handle: FocusHandle,
51 history: SearchHistory,
52 cursor: SearchHistoryCursor,
53}
54
55impl Console {
56 pub fn new(
57 session: Entity<Session>,
58 stack_frame_list: Entity<StackFrameList>,
59 variable_list: Entity<VariableList>,
60 window: &mut Window,
61 cx: &mut Context<Self>,
62 ) -> Self {
63 let console = cx.new(|cx| {
64 let mut editor = Editor::multi_line(window, cx);
65 editor.set_mode(EditorMode::Full {
66 scale_ui_elements_with_buffer_font_size: true,
67 show_active_line_background: true,
68 sizing_behavior: SizingBehavior::ExcludeOverscrollMargin,
69 });
70 editor.move_to_end(&editor::actions::MoveToEnd, window, cx);
71 editor.set_read_only(true);
72 editor.disable_scrollbars_and_minimap(window, cx);
73 editor.set_show_gutter(false, cx);
74 editor.set_show_runnables(false, cx);
75 editor.set_show_breakpoints(false, cx);
76 editor.set_show_code_actions(false, cx);
77 editor.set_show_line_numbers(false, cx);
78 editor.set_show_git_diff_gutter(false, cx);
79 editor.set_autoindent(false);
80 editor.set_input_enabled(false);
81 editor.set_use_autoclose(false);
82 editor.set_show_wrap_guides(false, cx);
83 editor.set_show_indent_guides(false, cx);
84 editor.set_show_edit_predictions(Some(false), window, cx);
85 editor.set_use_modal_editing(false);
86 editor.set_soft_wrap_mode(language::language_settings::SoftWrap::EditorWidth, cx);
87 editor
88 });
89 let focus_handle = cx.focus_handle();
90
91 let this = cx.weak_entity();
92 let query_bar = cx.new(|cx| {
93 let mut editor = Editor::single_line(window, cx);
94 editor.set_placeholder_text("Evaluate an expression", window, cx);
95 editor.set_use_autoclose(false);
96 editor.set_show_gutter(false, cx);
97 editor.set_show_wrap_guides(false, cx);
98 editor.set_show_indent_guides(false, cx);
99 editor.set_completion_provider(Some(Rc::new(ConsoleQueryBarCompletionProvider(this))));
100
101 editor
102 });
103
104 let _subscriptions = vec![
105 cx.subscribe(&stack_frame_list, Self::handle_stack_frame_list_events),
106 cx.on_focus(&focus_handle, window, |console, window, cx| {
107 if console.is_running(cx) {
108 console.query_bar.focus_handle(cx).focus(window);
109 }
110 }),
111 ];
112
113 Self {
114 session,
115 console,
116 query_bar,
117 variable_list,
118 _subscriptions,
119 stack_frame_list,
120 update_output_task: None,
121 last_token: OutputToken(0),
122 focus_handle,
123 history: SearchHistory::new(
124 None,
125 project::search_history::QueryInsertionBehavior::ReplacePreviousIfContains,
126 ),
127 cursor: Default::default(),
128 }
129 }
130
131 #[cfg(test)]
132 pub(crate) fn editor(&self) -> &Entity<Editor> {
133 &self.console
134 }
135
136 fn is_running(&self, cx: &Context<Self>) -> bool {
137 self.session.read(cx).is_started()
138 }
139
140 fn handle_stack_frame_list_events(
141 &mut self,
142 _: Entity<StackFrameList>,
143 event: &StackFrameListEvent,
144 cx: &mut Context<Self>,
145 ) {
146 match event {
147 StackFrameListEvent::SelectedStackFrameChanged(_) => cx.notify(),
148 StackFrameListEvent::BuiltEntries => {}
149 }
150 }
151
152 pub(crate) fn show_indicator(&self, cx: &App) -> bool {
153 self.session.read(cx).has_new_output(self.last_token)
154 }
155
156 fn add_messages(
157 &mut self,
158 events: Vec<OutputEvent>,
159 window: &mut Window,
160 cx: &mut App,
161 ) -> Task<Result<()>> {
162 self.console.update(cx, |_, cx| {
163 cx.spawn_in(window, async move |console, cx| {
164 let mut len = console
165 .update(cx, |this, cx| this.buffer().read(cx).len(cx))?
166 .0;
167 let (output, spans, background_spans) = cx
168 .background_spawn(async move {
169 let mut all_spans = Vec::new();
170 let mut all_background_spans = Vec::new();
171 let mut to_insert = String::new();
172 let mut scratch = String::new();
173
174 for event in &events {
175 scratch.clear();
176 let mut ansi_handler = ConsoleHandler::default();
177 let mut ansi_processor =
178 ansi::Processor::<ansi::StdSyncHandler>::default();
179
180 let trimmed_output = event.output.trim_end();
181 let _ = writeln!(&mut scratch, "{trimmed_output}");
182 ansi_processor.advance(&mut ansi_handler, scratch.as_bytes());
183 let output = std::mem::take(&mut ansi_handler.output);
184 to_insert.extend(output.chars());
185 let mut spans = std::mem::take(&mut ansi_handler.spans);
186 let mut background_spans =
187 std::mem::take(&mut ansi_handler.background_spans);
188 if ansi_handler.current_range_start < output.len() {
189 spans.push((
190 ansi_handler.current_range_start..output.len(),
191 ansi_handler.current_color,
192 ));
193 }
194 if ansi_handler.current_background_range_start < output.len() {
195 background_spans.push((
196 ansi_handler.current_background_range_start..output.len(),
197 ansi_handler.current_background_color,
198 ));
199 }
200
201 for (range, _) in spans.iter_mut() {
202 let start_offset = len + range.start;
203 *range = start_offset..len + range.end;
204 }
205
206 for (range, _) in background_spans.iter_mut() {
207 let start_offset = len + range.start;
208 *range = start_offset..len + range.end;
209 }
210
211 len += output.len();
212
213 all_spans.extend(spans);
214 all_background_spans.extend(background_spans);
215 }
216 (to_insert, all_spans, all_background_spans)
217 })
218 .await;
219 console.update_in(cx, |console, window, cx| {
220 console.set_read_only(false);
221 console.move_to_end(&editor::actions::MoveToEnd, window, cx);
222 console.insert(&output, window, cx);
223 console.set_read_only(true);
224
225 struct ConsoleAnsiHighlight;
226
227 let buffer = console.buffer().read(cx).snapshot(cx);
228
229 for (range, color) in spans {
230 let Some(color) = color else { continue };
231 let start_offset = range.start;
232 let range = buffer.anchor_after(MultiBufferOffset(range.start))
233 ..buffer.anchor_before(MultiBufferOffset(range.end));
234 let style = HighlightStyle {
235 color: Some(terminal_view::terminal_element::convert_color(
236 &color,
237 cx.theme(),
238 )),
239 ..Default::default()
240 };
241 console.highlight_text_key::<ConsoleAnsiHighlight>(
242 start_offset,
243 vec![range],
244 style,
245 false,
246 cx,
247 );
248 }
249
250 for (range, color) in background_spans {
251 let Some(color) = color else { continue };
252 let start_offset = range.start;
253 let range = buffer.anchor_after(MultiBufferOffset(range.start))
254 ..buffer.anchor_before(MultiBufferOffset(range.end));
255 let color_fn = color_fetcher(color);
256 console.highlight_background_key::<ConsoleAnsiHighlight>(
257 start_offset,
258 &[range],
259 move |_, theme| color_fn(theme),
260 cx,
261 );
262 }
263
264 cx.notify();
265 })?;
266
267 Ok(())
268 })
269 })
270 }
271
272 pub fn watch_expression(
273 &mut self,
274 _: &WatchExpression,
275 window: &mut Window,
276 cx: &mut Context<Self>,
277 ) {
278 let expression = self.query_bar.update(cx, |editor, cx| {
279 let expression = editor.text(cx);
280 cx.defer_in(window, |editor, window, cx| {
281 editor.clear(window, cx);
282 });
283
284 expression
285 });
286 self.history.add(&mut self.cursor, expression.clone());
287 self.cursor.reset();
288 self.session.update(cx, |session, cx| {
289 session
290 .evaluate(
291 expression.clone(),
292 Some(dap::EvaluateArgumentsContext::Repl),
293 self.stack_frame_list.read(cx).opened_stack_frame_id(),
294 None,
295 cx,
296 )
297 .detach();
298
299 if let Some(stack_frame_id) = self.stack_frame_list.read(cx).opened_stack_frame_id() {
300 session
301 .add_watcher(expression.into(), stack_frame_id, cx)
302 .detach();
303 }
304 });
305 }
306
307 fn previous_query(&mut self, _: &SelectPrevious, window: &mut Window, cx: &mut Context<Self>) {
308 let prev = self.history.previous(&mut self.cursor);
309 if let Some(prev) = prev {
310 self.query_bar.update(cx, |editor, cx| {
311 editor.set_text(prev, window, cx);
312 });
313 }
314 }
315
316 fn next_query(&mut self, _: &SelectNext, window: &mut Window, cx: &mut Context<Self>) {
317 let next = self.history.next(&mut self.cursor);
318 let query = next.unwrap_or_else(|| {
319 self.cursor.reset();
320 ""
321 });
322
323 self.query_bar.update(cx, |editor, cx| {
324 editor.set_text(query, window, cx);
325 });
326 }
327
328 fn evaluate(&mut self, _: &Confirm, window: &mut Window, cx: &mut Context<Self>) {
329 let expression = self.query_bar.update(cx, |editor, cx| {
330 let expression = editor.text(cx);
331 cx.defer_in(window, |editor, window, cx| {
332 editor.clear(window, cx);
333 });
334
335 expression
336 });
337
338 self.history.add(&mut self.cursor, expression.clone());
339 self.cursor.reset();
340 self.session.update(cx, |session, cx| {
341 session
342 .evaluate(
343 expression,
344 Some(dap::EvaluateArgumentsContext::Repl),
345 self.stack_frame_list.read(cx).opened_stack_frame_id(),
346 None,
347 cx,
348 )
349 .detach();
350 });
351 }
352
353 fn render_submit_menu(
354 &self,
355 id: impl Into<ElementId>,
356 keybinding_target: Option<FocusHandle>,
357 cx: &App,
358 ) -> impl IntoElement {
359 PopoverMenu::new(id.into())
360 .trigger(
361 ui::ButtonLike::new_rounded_right("console-confirm-split-button-right")
362 .layer(ui::ElevationIndex::ModalSurface)
363 .size(ui::ButtonSize::None)
364 .child(
365 div()
366 .px_1()
367 .child(Icon::new(IconName::ChevronDown).size(IconSize::XSmall)),
368 ),
369 )
370 .when(
371 self.stack_frame_list
372 .read(cx)
373 .opened_stack_frame_id()
374 .is_some(),
375 |this| {
376 this.menu(move |window, cx| {
377 Some(ContextMenu::build(window, cx, |context_menu, _, _| {
378 context_menu
379 .when_some(keybinding_target.clone(), |el, keybinding_target| {
380 el.context(keybinding_target)
381 })
382 .action("Watch Expression", WatchExpression.boxed_clone())
383 }))
384 })
385 },
386 )
387 .anchor(Corner::TopRight)
388 }
389
390 fn render_console(&self, cx: &Context<Self>) -> impl IntoElement {
391 EditorElement::new(&self.console, Self::editor_style(&self.console, cx))
392 }
393
394 fn editor_style(editor: &Entity<Editor>, cx: &Context<Self>) -> EditorStyle {
395 let is_read_only = editor.read(cx).read_only(cx);
396 let settings = ThemeSettings::get_global(cx);
397 let theme = cx.theme();
398 let text_style = TextStyle {
399 color: if is_read_only {
400 theme.colors().text_muted
401 } else {
402 theme.colors().text
403 },
404 font_family: settings.buffer_font.family.clone(),
405 font_features: settings.buffer_font.features.clone(),
406 font_size: settings.buffer_font_size(cx).into(),
407 font_weight: settings.buffer_font.weight,
408 line_height: relative(settings.buffer_line_height.value()),
409 ..Default::default()
410 };
411 EditorStyle {
412 background: theme.colors().editor_background,
413 local_player: theme.players().local(),
414 text: text_style,
415 ..Default::default()
416 }
417 }
418
419 fn render_query_bar(&self, cx: &Context<Self>) -> impl IntoElement {
420 EditorElement::new(&self.query_bar, Self::editor_style(&self.query_bar, cx))
421 }
422
423 pub(crate) fn update_output(&mut self, window: &mut Window, cx: &mut Context<Self>) {
424 if self.update_output_task.is_some() {
425 return;
426 }
427 let session = self.session.clone();
428 let token = self.last_token;
429 self.update_output_task = Some(cx.spawn_in(window, async move |this, cx| {
430 let Some((last_processed_token, task)) = session
431 .update_in(cx, |session, window, cx| {
432 let (output, last_processed_token) = session.output(token);
433
434 this.update(cx, |this, cx| {
435 if last_processed_token == this.last_token {
436 return None;
437 }
438 Some((
439 last_processed_token,
440 this.add_messages(output.cloned().collect(), window, cx),
441 ))
442 })
443 .ok()
444 .flatten()
445 })
446 .ok()
447 .flatten()
448 else {
449 _ = this.update(cx, |this, _| {
450 this.update_output_task.take();
451 });
452 return;
453 };
454 _ = task.await.log_err();
455 _ = this.update(cx, |this, _| {
456 this.last_token = last_processed_token;
457 this.update_output_task.take();
458 });
459 }));
460 }
461}
462
463impl Render for Console {
464 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
465 let query_focus_handle = self.query_bar.focus_handle(cx);
466 self.update_output(window, cx);
467
468 v_flex()
469 .track_focus(&self.focus_handle)
470 .key_context("DebugConsole")
471 .on_action(cx.listener(Self::evaluate))
472 .on_action(cx.listener(Self::watch_expression))
473 .size_full()
474 .border_2()
475 .bg(cx.theme().colors().editor_background)
476 .child(self.render_console(cx))
477 .when(self.is_running(cx), |this| {
478 this.child(Divider::horizontal()).child(
479 h_flex()
480 .on_action(cx.listener(Self::previous_query))
481 .on_action(cx.listener(Self::next_query))
482 .p_1()
483 .gap_1()
484 .bg(cx.theme().colors().editor_background)
485 .child(self.render_query_bar(cx))
486 .child(SplitButton::new(
487 ui::ButtonLike::new_rounded_all(ElementId::Name(
488 "split-button-left-confirm-button".into(),
489 ))
490 .on_click(move |_, window, cx| {
491 window.dispatch_action(Box::new(Confirm), cx)
492 })
493 .layer(ui::ElevationIndex::ModalSurface)
494 .size(ui::ButtonSize::Compact)
495 .child(Label::new("Evaluate"))
496 .tooltip({
497 let query_focus_handle = query_focus_handle.clone();
498
499 move |_window, cx| {
500 Tooltip::for_action_in(
501 "Evaluate",
502 &Confirm,
503 &query_focus_handle,
504 cx,
505 )
506 }
507 }),
508 self.render_submit_menu(
509 ElementId::Name("split-button-right-confirm-button".into()),
510 Some(query_focus_handle.clone()),
511 cx,
512 )
513 .into_any_element(),
514 )),
515 )
516 })
517 }
518}
519
520impl Focusable for Console {
521 fn focus_handle(&self, _cx: &App) -> gpui::FocusHandle {
522 self.focus_handle.clone()
523 }
524}
525
526struct ConsoleQueryBarCompletionProvider(WeakEntity<Console>);
527
528impl CompletionProvider for ConsoleQueryBarCompletionProvider {
529 fn completions(
530 &self,
531 _excerpt_id: ExcerptId,
532 buffer: &Entity<Buffer>,
533 buffer_position: language::Anchor,
534 _trigger: editor::CompletionContext,
535 _window: &mut Window,
536 cx: &mut Context<Editor>,
537 ) -> Task<Result<Vec<CompletionResponse>>> {
538 let Some(console) = self.0.upgrade() else {
539 return Task::ready(Ok(Vec::new()));
540 };
541
542 let support_completions = console
543 .read(cx)
544 .session
545 .read(cx)
546 .capabilities()
547 .supports_completions_request
548 .unwrap_or_default();
549
550 if support_completions {
551 self.client_completions(&console, buffer, buffer_position, cx)
552 } else {
553 self.variable_list_completions(&console, buffer, buffer_position, cx)
554 }
555 }
556
557 fn is_completion_trigger(
558 &self,
559 buffer: &Entity<Buffer>,
560 position: language::Anchor,
561 text: &str,
562 trigger_in_words: bool,
563 cx: &mut Context<Editor>,
564 ) -> bool {
565 let mut chars = text.chars();
566 let char = if let Some(char) = chars.next() {
567 char
568 } else {
569 return false;
570 };
571
572 let snapshot = buffer.read(cx).snapshot();
573
574 let classifier = snapshot
575 .char_classifier_at(position)
576 .scope_context(Some(CharScopeContext::Completion));
577 if trigger_in_words && classifier.is_word(char) {
578 return true;
579 }
580
581 self.0
582 .read_with(cx, |console, cx| {
583 console
584 .session
585 .read(cx)
586 .capabilities()
587 .completion_trigger_characters
588 .as_ref()
589 .map(|triggers| triggers.contains(&text.to_string()))
590 })
591 .ok()
592 .flatten()
593 .unwrap_or(true)
594 }
595}
596
597impl ConsoleQueryBarCompletionProvider {
598 fn variable_list_completions(
599 &self,
600 console: &Entity<Console>,
601 buffer: &Entity<Buffer>,
602 buffer_position: language::Anchor,
603 cx: &mut Context<Editor>,
604 ) -> Task<Result<Vec<CompletionResponse>>> {
605 let (variables, string_matches) = console.update(cx, |console, cx| {
606 let mut variables = HashMap::default();
607 let mut string_matches = Vec::default();
608
609 for variable in console.variable_list.update(cx, |variable_list, cx| {
610 variable_list.completion_variables(cx)
611 }) {
612 if let Some(evaluate_name) = &variable.evaluate_name
613 && variables
614 .insert(evaluate_name.clone(), variable.value.clone())
615 .is_none()
616 {
617 string_matches.push(StringMatchCandidate {
618 id: 0,
619 string: evaluate_name.clone(),
620 char_bag: evaluate_name.chars().collect(),
621 });
622 }
623
624 if variables
625 .insert(variable.name.clone(), variable.value.clone())
626 .is_none()
627 {
628 string_matches.push(StringMatchCandidate {
629 id: 0,
630 string: variable.name.clone(),
631 char_bag: variable.name.chars().collect(),
632 });
633 }
634 }
635
636 (variables, string_matches)
637 });
638
639 let snapshot = buffer.read(cx).text_snapshot();
640 let buffer_text = snapshot.text();
641
642 cx.spawn(async move |_, cx| {
643 const LIMIT: usize = 10;
644 let matches = fuzzy::match_strings(
645 &string_matches,
646 &buffer_text,
647 true,
648 true,
649 LIMIT,
650 &Default::default(),
651 cx.background_executor().clone(),
652 )
653 .await;
654
655 let completions = matches
656 .iter()
657 .filter_map(|string_match| {
658 let variable_value = variables.get(&string_match.string)?;
659
660 Some(project::Completion {
661 replace_range: Self::replace_range_for_completion(
662 &buffer_text,
663 buffer_position,
664 string_match.string.as_bytes(),
665 &snapshot,
666 ),
667 new_text: string_match.string.clone(),
668 label: CodeLabel::plain(string_match.string.clone(), None),
669 match_start: None,
670 snippet_deduplication_key: None,
671 icon_path: None,
672 documentation: Some(CompletionDocumentation::MultiLineMarkdown(
673 variable_value.into(),
674 )),
675 confirm: None,
676 source: project::CompletionSource::Custom,
677 insert_text_mode: None,
678 })
679 })
680 .collect::<Vec<_>>();
681
682 Ok(vec![project::CompletionResponse {
683 is_incomplete: completions.len() >= LIMIT,
684 display_options: CompletionDisplayOptions::default(),
685 completions,
686 }])
687 })
688 }
689
690 fn replace_range_for_completion(
691 buffer_text: &String,
692 buffer_position: Anchor,
693 new_bytes: &[u8],
694 snapshot: &TextBufferSnapshot,
695 ) -> Range<Anchor> {
696 let buffer_offset = buffer_position.to_offset(snapshot);
697 let buffer_bytes = &buffer_text.as_bytes()[0..buffer_offset];
698
699 let mut prefix_len = 0;
700 for i in (0..new_bytes.len()).rev() {
701 if buffer_bytes.ends_with(&new_bytes[0..i]) {
702 prefix_len = i;
703 break;
704 }
705 }
706
707 let start = snapshot.clip_offset(buffer_offset - prefix_len, Bias::Left);
708
709 snapshot.anchor_before(start)..buffer_position
710 }
711
712 const fn completion_type_score(completion_type: CompletionItemType) -> usize {
713 match completion_type {
714 CompletionItemType::Field | CompletionItemType::Property => 0,
715 CompletionItemType::Variable | CompletionItemType::Value => 1,
716 CompletionItemType::Method
717 | CompletionItemType::Function
718 | CompletionItemType::Constructor => 2,
719 CompletionItemType::Class
720 | CompletionItemType::Interface
721 | CompletionItemType::Module => 3,
722 _ => 4,
723 }
724 }
725
726 fn completion_item_sort_text(completion_item: &CompletionItem) -> String {
727 completion_item.sort_text.clone().unwrap_or_else(|| {
728 format!(
729 "{:03}_{}",
730 Self::completion_type_score(
731 completion_item.type_.unwrap_or(CompletionItemType::Text)
732 ),
733 completion_item.label.to_ascii_lowercase()
734 )
735 })
736 }
737
738 fn client_completions(
739 &self,
740 console: &Entity<Console>,
741 buffer: &Entity<Buffer>,
742 buffer_position: language::Anchor,
743 cx: &mut Context<Editor>,
744 ) -> Task<Result<Vec<CompletionResponse>>> {
745 let completion_task = console.update(cx, |console, cx| {
746 console.session.update(cx, |state, cx| {
747 let frame_id = console.stack_frame_list.read(cx).opened_stack_frame_id();
748
749 state.completions(
750 CompletionsQuery::new(buffer.read(cx), buffer_position, frame_id),
751 cx,
752 )
753 })
754 });
755 let snapshot = buffer.read(cx).text_snapshot();
756 cx.background_executor().spawn(async move {
757 let completions = completion_task.await?;
758
759 let buffer_text = snapshot.text();
760
761 let completions = completions
762 .into_iter()
763 .map(|completion| {
764 let sort_text = Self::completion_item_sort_text(&completion);
765 let new_text = completion
766 .text
767 .as_ref()
768 .unwrap_or(&completion.label)
769 .to_owned();
770
771 project::Completion {
772 replace_range: Self::replace_range_for_completion(
773 &buffer_text,
774 buffer_position,
775 new_text.as_bytes(),
776 &snapshot,
777 ),
778 new_text,
779 label: CodeLabel::plain(completion.label, None),
780 icon_path: None,
781 documentation: completion.detail.map(|detail| {
782 CompletionDocumentation::MultiLineMarkdown(detail.into())
783 }),
784 match_start: None,
785 snippet_deduplication_key: None,
786 confirm: None,
787 source: project::CompletionSource::Dap { sort_text },
788 insert_text_mode: None,
789 }
790 })
791 .collect();
792
793 Ok(vec![project::CompletionResponse {
794 completions,
795 display_options: CompletionDisplayOptions::default(),
796 is_incomplete: false,
797 }])
798 })
799 }
800}
801
802#[derive(Default)]
803struct ConsoleHandler {
804 output: String,
805 spans: Vec<(Range<usize>, Option<ansi::Color>)>,
806 background_spans: Vec<(Range<usize>, Option<ansi::Color>)>,
807 current_range_start: usize,
808 current_background_range_start: usize,
809 current_color: Option<ansi::Color>,
810 current_background_color: Option<ansi::Color>,
811 pos: usize,
812}
813
814impl ConsoleHandler {
815 fn break_span(&mut self, color: Option<ansi::Color>) {
816 self.spans.push((
817 self.current_range_start..self.output.len(),
818 self.current_color,
819 ));
820 self.current_color = color;
821 self.current_range_start = self.pos;
822 }
823
824 fn break_background_span(&mut self, color: Option<ansi::Color>) {
825 self.background_spans.push((
826 self.current_background_range_start..self.output.len(),
827 self.current_background_color,
828 ));
829 self.current_background_color = color;
830 self.current_background_range_start = self.pos;
831 }
832}
833
834impl ansi::Handler for ConsoleHandler {
835 fn input(&mut self, c: char) {
836 self.output.push(c);
837 self.pos += c.len_utf8();
838 }
839
840 fn linefeed(&mut self) {
841 self.output.push('\n');
842 self.pos += 1;
843 }
844
845 fn put_tab(&mut self, count: u16) {
846 self.output
847 .extend(std::iter::repeat('\t').take(count as usize));
848 self.pos += count as usize;
849 }
850
851 fn terminal_attribute(&mut self, attr: ansi::Attr) {
852 match attr {
853 ansi::Attr::Foreground(color) => {
854 self.break_span(Some(color));
855 }
856 ansi::Attr::Background(color) => {
857 self.break_background_span(Some(color));
858 }
859 ansi::Attr::Reset => {
860 self.break_span(None);
861 self.break_background_span(None);
862 }
863 _ => {}
864 }
865 }
866}
867
868fn color_fetcher(color: ansi::Color) -> fn(&Theme) -> Hsla {
869 let color_fetcher: fn(&Theme) -> Hsla = match color {
870 // Named and theme defined colors
871 ansi::Color::Named(n) => match n {
872 ansi::NamedColor::Black => |theme| theme.colors().terminal_ansi_black,
873 ansi::NamedColor::Red => |theme| theme.colors().terminal_ansi_red,
874 ansi::NamedColor::Green => |theme| theme.colors().terminal_ansi_green,
875 ansi::NamedColor::Yellow => |theme| theme.colors().terminal_ansi_yellow,
876 ansi::NamedColor::Blue => |theme| theme.colors().terminal_ansi_blue,
877 ansi::NamedColor::Magenta => |theme| theme.colors().terminal_ansi_magenta,
878 ansi::NamedColor::Cyan => |theme| theme.colors().terminal_ansi_cyan,
879 ansi::NamedColor::White => |theme| theme.colors().terminal_ansi_white,
880 ansi::NamedColor::BrightBlack => |theme| theme.colors().terminal_ansi_bright_black,
881 ansi::NamedColor::BrightRed => |theme| theme.colors().terminal_ansi_bright_red,
882 ansi::NamedColor::BrightGreen => |theme| theme.colors().terminal_ansi_bright_green,
883 ansi::NamedColor::BrightYellow => |theme| theme.colors().terminal_ansi_bright_yellow,
884 ansi::NamedColor::BrightBlue => |theme| theme.colors().terminal_ansi_bright_blue,
885 ansi::NamedColor::BrightMagenta => |theme| theme.colors().terminal_ansi_bright_magenta,
886 ansi::NamedColor::BrightCyan => |theme| theme.colors().terminal_ansi_bright_cyan,
887 ansi::NamedColor::BrightWhite => |theme| theme.colors().terminal_ansi_bright_white,
888 ansi::NamedColor::Foreground => |theme| theme.colors().terminal_foreground,
889 ansi::NamedColor::Background => |theme| theme.colors().terminal_background,
890 ansi::NamedColor::Cursor => |theme| theme.players().local().cursor,
891 ansi::NamedColor::DimBlack => |theme| theme.colors().terminal_ansi_dim_black,
892 ansi::NamedColor::DimRed => |theme| theme.colors().terminal_ansi_dim_red,
893 ansi::NamedColor::DimGreen => |theme| theme.colors().terminal_ansi_dim_green,
894 ansi::NamedColor::DimYellow => |theme| theme.colors().terminal_ansi_dim_yellow,
895 ansi::NamedColor::DimBlue => |theme| theme.colors().terminal_ansi_dim_blue,
896 ansi::NamedColor::DimMagenta => |theme| theme.colors().terminal_ansi_dim_magenta,
897 ansi::NamedColor::DimCyan => |theme| theme.colors().terminal_ansi_dim_cyan,
898 ansi::NamedColor::DimWhite => |theme| theme.colors().terminal_ansi_dim_white,
899 ansi::NamedColor::BrightForeground => |theme| theme.colors().terminal_bright_foreground,
900 ansi::NamedColor::DimForeground => |theme| theme.colors().terminal_dim_foreground,
901 },
902 // 'True' colors
903 ansi::Color::Spec(_) => |theme| theme.colors().editor_background,
904 // 8 bit, indexed colors
905 ansi::Color::Indexed(i) => {
906 match i {
907 // 0-15 are the same as the named colors above
908 0 => |theme| theme.colors().terminal_ansi_black,
909 1 => |theme| theme.colors().terminal_ansi_red,
910 2 => |theme| theme.colors().terminal_ansi_green,
911 3 => |theme| theme.colors().terminal_ansi_yellow,
912 4 => |theme| theme.colors().terminal_ansi_blue,
913 5 => |theme| theme.colors().terminal_ansi_magenta,
914 6 => |theme| theme.colors().terminal_ansi_cyan,
915 7 => |theme| theme.colors().terminal_ansi_white,
916 8 => |theme| theme.colors().terminal_ansi_bright_black,
917 9 => |theme| theme.colors().terminal_ansi_bright_red,
918 10 => |theme| theme.colors().terminal_ansi_bright_green,
919 11 => |theme| theme.colors().terminal_ansi_bright_yellow,
920 12 => |theme| theme.colors().terminal_ansi_bright_blue,
921 13 => |theme| theme.colors().terminal_ansi_bright_magenta,
922 14 => |theme| theme.colors().terminal_ansi_bright_cyan,
923 15 => |theme| theme.colors().terminal_ansi_bright_white,
924 // 16-231 are a 6x6x6 RGB color cube, mapped to 0-255 using steps defined by XTerm.
925 // See: https://github.com/xterm-x11/xterm-snapshots/blob/master/256colres.pl
926 // 16..=231 => {
927 // let (r, g, b) = rgb_for_index(index as u8);
928 // rgba_color(
929 // if r == 0 { 0 } else { r * 40 + 55 },
930 // if g == 0 { 0 } else { g * 40 + 55 },
931 // if b == 0 { 0 } else { b * 40 + 55 },
932 // )
933 // }
934 // 232-255 are a 24-step grayscale ramp from (8, 8, 8) to (238, 238, 238).
935 // 232..=255 => {
936 // let i = index as u8 - 232; // Align index to 0..24
937 // let value = i * 10 + 8;
938 // rgba_color(value, value, value)
939 // }
940 // For compatibility with the alacritty::Colors interface
941 // See: https://github.com/alacritty/alacritty/blob/master/alacritty_terminal/src/term/color.rs
942 _ => |_| gpui::black(),
943 }
944 }
945 };
946 color_fetcher
947}
948
949#[cfg(test)]
950mod tests {
951 use super::*;
952 use crate::tests::init_test;
953 use editor::{MultiBufferOffset, test::editor_test_context::EditorTestContext};
954 use gpui::TestAppContext;
955 use language::Point;
956
957 #[track_caller]
958 fn assert_completion_range(
959 input: &str,
960 expect: &str,
961 replacement: &str,
962 cx: &mut EditorTestContext,
963 ) {
964 cx.set_state(input);
965
966 let buffer_position = cx.editor(|editor, _, cx| {
967 editor
968 .selections
969 .newest::<Point>(&editor.display_snapshot(cx))
970 .start
971 });
972
973 let snapshot = &cx.buffer_snapshot();
974
975 let replace_range = ConsoleQueryBarCompletionProvider::replace_range_for_completion(
976 &cx.buffer_text(),
977 snapshot.anchor_before(buffer_position),
978 replacement.as_bytes(),
979 snapshot,
980 );
981
982 cx.update_editor(|editor, _, cx| {
983 editor.edit(
984 vec![(
985 MultiBufferOffset(snapshot.offset_for_anchor(&replace_range.start))
986 ..MultiBufferOffset(snapshot.offset_for_anchor(&replace_range.end)),
987 replacement,
988 )],
989 cx,
990 );
991 });
992
993 pretty_assertions::assert_eq!(expect, cx.display_text());
994 }
995
996 #[gpui::test]
997 async fn test_determine_completion_replace_range(cx: &mut TestAppContext) {
998 init_test(cx);
999
1000 let mut cx = EditorTestContext::new(cx).await;
1001
1002 assert_completion_range("resˇ", "result", "result", &mut cx);
1003 assert_completion_range("print(resˇ)", "print(result)", "result", &mut cx);
1004 assert_completion_range("$author->nˇ", "$author->name", "$author->name", &mut cx);
1005 assert_completion_range(
1006 "$author->books[ˇ",
1007 "$author->books[0]",
1008 "$author->books[0]",
1009 &mut cx,
1010 );
1011 }
1012}