1use language_model::AnthropicEventData;
2use language_model::report_anthropic_event;
3use std::cmp;
4use std::mem;
5use std::ops::Range;
6use std::rc::Rc;
7use std::sync::Arc;
8use uuid::Uuid;
9
10use crate::context::load_context;
11use crate::mention_set::MentionSet;
12use crate::{
13 AgentPanel,
14 buffer_codegen::{BufferCodegen, CodegenAlternative, CodegenEvent},
15 inline_prompt_editor::{CodegenStatus, InlineAssistId, PromptEditor, PromptEditorEvent},
16 terminal_inline_assistant::TerminalInlineAssistant,
17};
18use agent::HistoryStore;
19use agent_settings::AgentSettings;
20use anyhow::{Context as _, Result};
21use collections::{HashMap, HashSet, VecDeque, hash_map};
22use editor::EditorSnapshot;
23use editor::MultiBufferOffset;
24use editor::RowExt;
25use editor::SelectionEffects;
26use editor::scroll::ScrollOffset;
27use editor::{
28 Anchor, AnchorRangeExt, CodeActionProvider, Editor, EditorEvent, ExcerptId, ExcerptRange,
29 MultiBuffer, MultiBufferSnapshot, ToOffset as _, ToPoint,
30 actions::SelectAll,
31 display_map::{
32 BlockContext, BlockPlacement, BlockProperties, BlockStyle, CustomBlockId, EditorMargins,
33 RenderBlock, ToDisplayPoint,
34 },
35};
36use fs::Fs;
37use futures::{FutureExt, channel::mpsc};
38use gpui::{
39 App, Context, Entity, Focusable, Global, HighlightStyle, Subscription, Task, UpdateGlobal,
40 WeakEntity, Window, point,
41};
42use language::{Buffer, Point, Selection, TransactionId};
43use language_model::{ConfigurationError, ConfiguredModel, LanguageModelRegistry};
44use multi_buffer::MultiBufferRow;
45use parking_lot::Mutex;
46use project::{CodeAction, DisableAiSettings, LspAction, Project, ProjectTransaction};
47use prompt_store::{PromptBuilder, PromptStore};
48use settings::{Settings, SettingsStore};
49
50use terminal_view::{TerminalView, terminal_panel::TerminalPanel};
51use text::{OffsetRangeExt, ToPoint as _};
52use ui::prelude::*;
53use util::{RangeExt, ResultExt, maybe};
54use workspace::{ItemHandle, Toast, Workspace, dock::Panel, notifications::NotificationId};
55use zed_actions::agent::OpenSettings;
56
57pub fn init(fs: Arc<dyn Fs>, prompt_builder: Arc<PromptBuilder>, cx: &mut App) {
58 cx.set_global(InlineAssistant::new(fs, prompt_builder));
59
60 cx.observe_global::<SettingsStore>(|cx| {
61 if DisableAiSettings::get_global(cx).disable_ai {
62 // Hide any active inline assist UI when AI is disabled
63 InlineAssistant::update_global(cx, |assistant, cx| {
64 assistant.cancel_all_active_completions(cx);
65 });
66 }
67 })
68 .detach();
69
70 cx.observe_new(|_workspace: &mut Workspace, window, cx| {
71 let Some(window) = window else {
72 return;
73 };
74 let workspace = cx.entity();
75 InlineAssistant::update_global(cx, |inline_assistant, cx| {
76 inline_assistant.register_workspace(&workspace, window, cx)
77 });
78 })
79 .detach();
80}
81
82const PROMPT_HISTORY_MAX_LEN: usize = 20;
83
84enum InlineAssistTarget {
85 Editor(Entity<Editor>),
86 Terminal(Entity<TerminalView>),
87}
88
89pub struct InlineAssistant {
90 next_assist_id: InlineAssistId,
91 next_assist_group_id: InlineAssistGroupId,
92 assists: HashMap<InlineAssistId, InlineAssist>,
93 assists_by_editor: HashMap<WeakEntity<Editor>, EditorInlineAssists>,
94 assist_groups: HashMap<InlineAssistGroupId, InlineAssistGroup>,
95 confirmed_assists: HashMap<InlineAssistId, Entity<CodegenAlternative>>,
96 prompt_history: VecDeque<String>,
97 prompt_builder: Arc<PromptBuilder>,
98 fs: Arc<dyn Fs>,
99 _inline_assistant_completions: Option<mpsc::UnboundedSender<anyhow::Result<InlineAssistId>>>,
100}
101
102impl Global for InlineAssistant {}
103
104impl InlineAssistant {
105 pub fn new(fs: Arc<dyn Fs>, prompt_builder: Arc<PromptBuilder>) -> Self {
106 Self {
107 next_assist_id: InlineAssistId::default(),
108 next_assist_group_id: InlineAssistGroupId::default(),
109 assists: HashMap::default(),
110 assists_by_editor: HashMap::default(),
111 assist_groups: HashMap::default(),
112 confirmed_assists: HashMap::default(),
113 prompt_history: VecDeque::default(),
114 prompt_builder,
115 fs,
116 _inline_assistant_completions: None,
117 }
118 }
119
120 pub fn register_workspace(
121 &mut self,
122 workspace: &Entity<Workspace>,
123 window: &mut Window,
124 cx: &mut App,
125 ) {
126 window
127 .subscribe(workspace, cx, |workspace, event, window, cx| {
128 Self::update_global(cx, |this, cx| {
129 this.handle_workspace_event(workspace, event, window, cx)
130 });
131 })
132 .detach();
133
134 let workspace = workspace.downgrade();
135 cx.observe_global::<SettingsStore>(move |cx| {
136 let Some(workspace) = workspace.upgrade() else {
137 return;
138 };
139 let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
140 return;
141 };
142 let enabled = AgentSettings::get_global(cx).enabled(cx);
143 terminal_panel.update(cx, |terminal_panel, cx| {
144 terminal_panel.set_assistant_enabled(enabled, cx)
145 });
146 })
147 .detach();
148 }
149
150 /// Hides all active inline assists when AI is disabled
151 pub fn cancel_all_active_completions(&mut self, cx: &mut App) {
152 // Cancel all active completions in editors
153 for (editor_handle, _) in self.assists_by_editor.iter() {
154 if let Some(editor) = editor_handle.upgrade() {
155 let windows = cx.windows();
156 if !windows.is_empty() {
157 let window = windows[0];
158 let _ = window.update(cx, |_, window, cx| {
159 editor.update(cx, |editor, cx| {
160 if editor.has_active_edit_prediction() {
161 editor.cancel(&Default::default(), window, cx);
162 }
163 });
164 });
165 }
166 }
167 }
168 }
169
170 fn handle_workspace_event(
171 &mut self,
172 workspace: Entity<Workspace>,
173 event: &workspace::Event,
174 window: &mut Window,
175 cx: &mut App,
176 ) {
177 match event {
178 workspace::Event::UserSavedItem { item, .. } => {
179 // When the user manually saves an editor, automatically accepts all finished transformations.
180 if let Some(editor) = item.upgrade().and_then(|item| item.act_as::<Editor>(cx))
181 && let Some(editor_assists) = self.assists_by_editor.get(&editor.downgrade())
182 {
183 for assist_id in editor_assists.assist_ids.clone() {
184 let assist = &self.assists[&assist_id];
185 if let CodegenStatus::Done = assist.codegen.read(cx).status(cx) {
186 self.finish_assist(assist_id, false, window, cx)
187 }
188 }
189 }
190 }
191 workspace::Event::ItemAdded { item } => {
192 self.register_workspace_item(&workspace, item.as_ref(), window, cx);
193 }
194 _ => (),
195 }
196 }
197
198 fn register_workspace_item(
199 &mut self,
200 workspace: &Entity<Workspace>,
201 item: &dyn ItemHandle,
202 window: &mut Window,
203 cx: &mut App,
204 ) {
205 let is_ai_enabled = !DisableAiSettings::get_global(cx).disable_ai;
206
207 if let Some(editor) = item.act_as::<Editor>(cx) {
208 editor.update(cx, |editor, cx| {
209 if is_ai_enabled {
210 editor.add_code_action_provider(
211 Rc::new(AssistantCodeActionProvider {
212 editor: cx.entity().downgrade(),
213 workspace: workspace.downgrade(),
214 }),
215 window,
216 cx,
217 );
218
219 if DisableAiSettings::get_global(cx).disable_ai {
220 // Cancel any active edit predictions
221 if editor.has_active_edit_prediction() {
222 editor.cancel(&Default::default(), window, cx);
223 }
224 }
225 } else {
226 editor.remove_code_action_provider(
227 ASSISTANT_CODE_ACTION_PROVIDER_ID.into(),
228 window,
229 cx,
230 );
231 }
232 });
233 }
234 }
235
236 pub fn inline_assist(
237 workspace: &mut Workspace,
238 action: &zed_actions::assistant::InlineAssist,
239 window: &mut Window,
240 cx: &mut Context<Workspace>,
241 ) {
242 if !AgentSettings::get_global(cx).enabled(cx) {
243 return;
244 }
245
246 let Some(inline_assist_target) = Self::resolve_inline_assist_target(
247 workspace,
248 workspace.panel::<AgentPanel>(cx),
249 window,
250 cx,
251 ) else {
252 return;
253 };
254
255 let configuration_error = || {
256 let model_registry = LanguageModelRegistry::read_global(cx);
257 model_registry.configuration_error(model_registry.inline_assistant_model(), cx)
258 };
259
260 let Some(agent_panel) = workspace.panel::<AgentPanel>(cx) else {
261 return;
262 };
263 let agent_panel = agent_panel.read(cx);
264
265 let prompt_store = agent_panel.prompt_store().as_ref().cloned();
266 let thread_store = agent_panel.thread_store().clone();
267
268 let handle_assist =
269 |window: &mut Window, cx: &mut Context<Workspace>| match inline_assist_target {
270 InlineAssistTarget::Editor(active_editor) => {
271 InlineAssistant::update_global(cx, |assistant, cx| {
272 assistant.assist(
273 &active_editor,
274 cx.entity().downgrade(),
275 workspace.project().downgrade(),
276 thread_store,
277 prompt_store,
278 action.prompt.clone(),
279 window,
280 cx,
281 );
282 })
283 }
284 InlineAssistTarget::Terminal(active_terminal) => {
285 TerminalInlineAssistant::update_global(cx, |assistant, cx| {
286 assistant.assist(
287 &active_terminal,
288 cx.entity().downgrade(),
289 workspace.project().downgrade(),
290 thread_store,
291 prompt_store,
292 action.prompt.clone(),
293 window,
294 cx,
295 );
296 });
297 }
298 };
299
300 if let Some(error) = configuration_error() {
301 if let ConfigurationError::ProviderNotAuthenticated(provider) = error {
302 cx.spawn(async move |_, cx| {
303 cx.update(|cx| provider.authenticate(cx))?.await?;
304 anyhow::Ok(())
305 })
306 .detach_and_log_err(cx);
307
308 if configuration_error().is_none() {
309 handle_assist(window, cx);
310 }
311 } else {
312 cx.spawn_in(window, async move |_, cx| {
313 let answer = cx
314 .prompt(
315 gpui::PromptLevel::Warning,
316 &error.to_string(),
317 None,
318 &["Configure", "Cancel"],
319 )
320 .await
321 .ok();
322 if let Some(answer) = answer
323 && answer == 0
324 {
325 cx.update(|window, cx| window.dispatch_action(Box::new(OpenSettings), cx))
326 .ok();
327 }
328 anyhow::Ok(())
329 })
330 .detach_and_log_err(cx);
331 }
332 } else {
333 handle_assist(window, cx);
334 }
335 }
336
337 fn codegen_ranges(
338 &mut self,
339 editor: &Entity<Editor>,
340 snapshot: &EditorSnapshot,
341 window: &mut Window,
342 cx: &mut App,
343 ) -> Option<(Vec<Range<Anchor>>, Selection<Point>)> {
344 let (initial_selections, newest_selection) = editor.update(cx, |editor, _| {
345 (
346 editor.selections.all::<Point>(&snapshot.display_snapshot),
347 editor
348 .selections
349 .newest::<Point>(&snapshot.display_snapshot),
350 )
351 });
352
353 // Check if there is already an inline assistant that contains the
354 // newest selection, if there is, focus it
355 if let Some(editor_assists) = self.assists_by_editor.get(&editor.downgrade()) {
356 for assist_id in &editor_assists.assist_ids {
357 let assist = &self.assists[assist_id];
358 let range = assist.range.to_point(&snapshot.buffer_snapshot());
359 if range.start.row <= newest_selection.start.row
360 && newest_selection.end.row <= range.end.row
361 {
362 self.focus_assist(*assist_id, window, cx);
363 return None;
364 }
365 }
366 }
367
368 let mut selections = Vec::<Selection<Point>>::new();
369 let mut newest_selection = None;
370 for mut selection in initial_selections {
371 if selection.end == selection.start
372 && let Some(fold) =
373 snapshot.crease_for_buffer_row(MultiBufferRow(selection.end.row))
374 {
375 selection.start = fold.range().start;
376 selection.end = fold.range().end;
377 if MultiBufferRow(selection.end.row) < snapshot.buffer_snapshot().max_row() {
378 let chars = snapshot
379 .buffer_snapshot()
380 .chars_at(Point::new(selection.end.row + 1, 0));
381
382 for c in chars {
383 if c == '\n' {
384 break;
385 }
386 if c.is_whitespace() {
387 continue;
388 }
389 if snapshot
390 .language_at(selection.end)
391 .is_some_and(|language| language.config().brackets.is_closing_brace(c))
392 {
393 selection.end.row += 1;
394 selection.end.column = snapshot
395 .buffer_snapshot()
396 .line_len(MultiBufferRow(selection.end.row));
397 }
398 }
399 }
400 } else {
401 selection.start.column = 0;
402 // If the selection ends at the start of the line, we don't want to include it.
403 if selection.end.column == 0 && selection.start.row != selection.end.row {
404 selection.end.row -= 1;
405 }
406 selection.end.column = snapshot
407 .buffer_snapshot()
408 .line_len(MultiBufferRow(selection.end.row));
409 }
410
411 if let Some(prev_selection) = selections.last_mut()
412 && selection.start <= prev_selection.end
413 {
414 prev_selection.end = selection.end;
415 continue;
416 }
417
418 let latest_selection = newest_selection.get_or_insert_with(|| selection.clone());
419 if selection.id > latest_selection.id {
420 *latest_selection = selection.clone();
421 }
422 selections.push(selection);
423 }
424 let snapshot = &snapshot.buffer_snapshot();
425 let newest_selection = newest_selection.unwrap();
426
427 let mut codegen_ranges = Vec::new();
428 for (buffer, buffer_range, excerpt_id) in
429 snapshot.ranges_to_buffer_ranges(selections.iter().map(|selection| {
430 snapshot.anchor_before(selection.start)..snapshot.anchor_after(selection.end)
431 }))
432 {
433 let anchor_range = Anchor::range_in_buffer(
434 excerpt_id,
435 buffer.anchor_before(buffer_range.start)..buffer.anchor_after(buffer_range.end),
436 );
437
438 codegen_ranges.push(anchor_range);
439
440 if let Some(model) = LanguageModelRegistry::read_global(cx).inline_assistant_model() {
441 telemetry::event!(
442 "Assistant Invoked",
443 kind = "inline",
444 phase = "invoked",
445 model = model.model.telemetry_id(),
446 model_provider = model.provider.id().to_string(),
447 language_name = buffer.language().map(|language| language.name().to_proto())
448 );
449
450 report_anthropic_event(
451 &model.model,
452 AnthropicEventData {
453 completion_type: language_model::AnthropicCompletionType::Editor,
454 event: language_model::AnthropicEventType::Invoked,
455 language_name: buffer.language().map(|language| language.name().to_proto()),
456 message_id: None,
457 },
458 cx,
459 );
460 }
461 }
462
463 Some((codegen_ranges, newest_selection))
464 }
465
466 fn batch_assist(
467 &mut self,
468 editor: &Entity<Editor>,
469 workspace: WeakEntity<Workspace>,
470 project: WeakEntity<Project>,
471 thread_store: Entity<HistoryStore>,
472 prompt_store: Option<Entity<PromptStore>>,
473 initial_prompt: Option<String>,
474 window: &mut Window,
475 codegen_ranges: &[Range<Anchor>],
476 newest_selection: Option<Selection<Point>>,
477 initial_transaction_id: Option<TransactionId>,
478 cx: &mut App,
479 ) -> Option<InlineAssistId> {
480 let snapshot = editor.update(cx, |editor, cx| editor.snapshot(window, cx));
481
482 let assist_group_id = self.next_assist_group_id.post_inc();
483 let session_id = Uuid::new_v4();
484 let prompt_buffer = cx.new(|cx| {
485 MultiBuffer::singleton(
486 cx.new(|cx| Buffer::local(initial_prompt.unwrap_or_default(), cx)),
487 cx,
488 )
489 });
490
491 let mut assists = Vec::new();
492 let mut assist_to_focus = None;
493
494 for range in codegen_ranges {
495 let assist_id = self.next_assist_id.post_inc();
496 let codegen = cx.new(|cx| {
497 BufferCodegen::new(
498 editor.read(cx).buffer().clone(),
499 range.clone(),
500 initial_transaction_id,
501 session_id,
502 self.prompt_builder.clone(),
503 cx,
504 )
505 });
506
507 let editor_margins = Arc::new(Mutex::new(EditorMargins::default()));
508 let prompt_editor = cx.new(|cx| {
509 PromptEditor::new_buffer(
510 assist_id,
511 editor_margins,
512 self.prompt_history.clone(),
513 prompt_buffer.clone(),
514 codegen.clone(),
515 session_id,
516 self.fs.clone(),
517 thread_store.clone(),
518 prompt_store.clone(),
519 project.clone(),
520 workspace.clone(),
521 window,
522 cx,
523 )
524 });
525
526 if let Some(newest_selection) = newest_selection.as_ref()
527 && assist_to_focus.is_none()
528 {
529 let focus_assist = if newest_selection.reversed {
530 range.start.to_point(&snapshot) == newest_selection.start
531 } else {
532 range.end.to_point(&snapshot) == newest_selection.end
533 };
534 if focus_assist {
535 assist_to_focus = Some(assist_id);
536 }
537 }
538
539 let [prompt_block_id, tool_description_block_id, end_block_id] =
540 self.insert_assist_blocks(&editor, &range, &prompt_editor, cx);
541
542 assists.push((
543 assist_id,
544 range.clone(),
545 prompt_editor,
546 prompt_block_id,
547 tool_description_block_id,
548 end_block_id,
549 ));
550 }
551
552 let editor_assists = self
553 .assists_by_editor
554 .entry(editor.downgrade())
555 .or_insert_with(|| EditorInlineAssists::new(editor, window, cx));
556
557 let assist_to_focus = if let Some(focus_id) = assist_to_focus {
558 Some(focus_id)
559 } else if assists.len() >= 1 {
560 Some(assists[0].0)
561 } else {
562 None
563 };
564
565 let mut assist_group = InlineAssistGroup::new();
566 for (
567 assist_id,
568 range,
569 prompt_editor,
570 prompt_block_id,
571 tool_description_block_id,
572 end_block_id,
573 ) in assists
574 {
575 let codegen = prompt_editor.read(cx).codegen().clone();
576
577 self.assists.insert(
578 assist_id,
579 InlineAssist::new(
580 assist_id,
581 assist_group_id,
582 editor,
583 &prompt_editor,
584 prompt_block_id,
585 tool_description_block_id,
586 end_block_id,
587 range,
588 codegen,
589 workspace.clone(),
590 window,
591 cx,
592 ),
593 );
594 assist_group.assist_ids.push(assist_id);
595 editor_assists.assist_ids.push(assist_id);
596 }
597
598 self.assist_groups.insert(assist_group_id, assist_group);
599
600 assist_to_focus
601 }
602
603 pub fn assist(
604 &mut self,
605 editor: &Entity<Editor>,
606 workspace: WeakEntity<Workspace>,
607 project: WeakEntity<Project>,
608 thread_store: Entity<HistoryStore>,
609 prompt_store: Option<Entity<PromptStore>>,
610 initial_prompt: Option<String>,
611 window: &mut Window,
612 cx: &mut App,
613 ) -> Option<InlineAssistId> {
614 let snapshot = editor.update(cx, |editor, cx| editor.snapshot(window, cx));
615
616 let Some((codegen_ranges, newest_selection)) =
617 self.codegen_ranges(editor, &snapshot, window, cx)
618 else {
619 return None;
620 };
621
622 let assist_to_focus = self.batch_assist(
623 editor,
624 workspace,
625 project,
626 thread_store,
627 prompt_store,
628 initial_prompt,
629 window,
630 &codegen_ranges,
631 Some(newest_selection),
632 None,
633 cx,
634 );
635
636 if let Some(assist_id) = assist_to_focus {
637 self.focus_assist(assist_id, window, cx);
638 }
639
640 assist_to_focus
641 }
642
643 pub fn suggest_assist(
644 &mut self,
645 editor: &Entity<Editor>,
646 mut range: Range<Anchor>,
647 initial_prompt: String,
648 initial_transaction_id: Option<TransactionId>,
649 focus: bool,
650 workspace: Entity<Workspace>,
651 thread_store: Entity<HistoryStore>,
652 prompt_store: Option<Entity<PromptStore>>,
653 window: &mut Window,
654 cx: &mut App,
655 ) -> InlineAssistId {
656 let buffer = editor.read(cx).buffer().clone();
657 {
658 let snapshot = buffer.read(cx).read(cx);
659 range.start = range.start.bias_left(&snapshot);
660 range.end = range.end.bias_right(&snapshot);
661 }
662
663 let project = workspace.read(cx).project().downgrade();
664
665 let assist_id = self
666 .batch_assist(
667 editor,
668 workspace.downgrade(),
669 project,
670 thread_store,
671 prompt_store,
672 Some(initial_prompt),
673 window,
674 &[range],
675 None,
676 initial_transaction_id,
677 cx,
678 )
679 .expect("batch_assist returns an id if there's only one range");
680
681 if focus {
682 self.focus_assist(assist_id, window, cx);
683 }
684
685 assist_id
686 }
687
688 fn insert_assist_blocks(
689 &self,
690 editor: &Entity<Editor>,
691 range: &Range<Anchor>,
692 prompt_editor: &Entity<PromptEditor<BufferCodegen>>,
693 cx: &mut App,
694 ) -> [CustomBlockId; 3] {
695 let prompt_editor_height = prompt_editor.update(cx, |prompt_editor, cx| {
696 prompt_editor
697 .editor
698 .update(cx, |editor, cx| editor.max_point(cx).row().0 + 1 + 2)
699 });
700 let assist_blocks = vec![
701 BlockProperties {
702 style: BlockStyle::Sticky,
703 placement: BlockPlacement::Above(range.start),
704 height: Some(prompt_editor_height),
705 render: build_assist_editor_renderer(prompt_editor),
706 priority: 0,
707 },
708 // Placeholder for tool description - will be updated dynamically
709 BlockProperties {
710 style: BlockStyle::Flex,
711 placement: BlockPlacement::Below(range.end),
712 height: Some(0),
713 render: Arc::new(|_cx| div().into_any_element()),
714 priority: 0,
715 },
716 BlockProperties {
717 style: BlockStyle::Sticky,
718 placement: BlockPlacement::Below(range.end),
719 height: None,
720 render: Arc::new(|cx| {
721 v_flex()
722 .h_full()
723 .w_full()
724 .border_t_1()
725 .border_color(cx.theme().status().info_border)
726 .into_any_element()
727 }),
728 priority: 0,
729 },
730 ];
731
732 editor.update(cx, |editor, cx| {
733 let block_ids = editor.insert_blocks(assist_blocks, None, cx);
734 [block_ids[0], block_ids[1], block_ids[2]]
735 })
736 }
737
738 fn handle_prompt_editor_focus_in(&mut self, assist_id: InlineAssistId, cx: &mut App) {
739 let assist = &self.assists[&assist_id];
740 let Some(decorations) = assist.decorations.as_ref() else {
741 return;
742 };
743 let assist_group = self.assist_groups.get_mut(&assist.group_id).unwrap();
744 let editor_assists = self.assists_by_editor.get_mut(&assist.editor).unwrap();
745
746 assist_group.active_assist_id = Some(assist_id);
747 if assist_group.linked {
748 for assist_id in &assist_group.assist_ids {
749 if let Some(decorations) = self.assists[assist_id].decorations.as_ref() {
750 decorations.prompt_editor.update(cx, |prompt_editor, cx| {
751 prompt_editor.set_show_cursor_when_unfocused(true, cx)
752 });
753 }
754 }
755 }
756
757 assist
758 .editor
759 .update(cx, |editor, cx| {
760 let scroll_top = editor.scroll_position(cx).y;
761 let scroll_bottom = scroll_top + editor.visible_line_count().unwrap_or(0.);
762 editor_assists.scroll_lock = editor
763 .row_for_block(decorations.prompt_block_id, cx)
764 .map(|row| row.as_f64())
765 .filter(|prompt_row| (scroll_top..scroll_bottom).contains(&prompt_row))
766 .map(|prompt_row| InlineAssistScrollLock {
767 assist_id,
768 distance_from_top: prompt_row - scroll_top,
769 });
770 })
771 .ok();
772 }
773
774 fn handle_prompt_editor_focus_out(&mut self, assist_id: InlineAssistId, cx: &mut App) {
775 let assist = &self.assists[&assist_id];
776 let assist_group = self.assist_groups.get_mut(&assist.group_id).unwrap();
777 if assist_group.active_assist_id == Some(assist_id) {
778 assist_group.active_assist_id = None;
779 if assist_group.linked {
780 for assist_id in &assist_group.assist_ids {
781 if let Some(decorations) = self.assists[assist_id].decorations.as_ref() {
782 decorations.prompt_editor.update(cx, |prompt_editor, cx| {
783 prompt_editor.set_show_cursor_when_unfocused(false, cx)
784 });
785 }
786 }
787 }
788 }
789 }
790
791 fn handle_prompt_editor_event(
792 &mut self,
793 prompt_editor: Entity<PromptEditor<BufferCodegen>>,
794 event: &PromptEditorEvent,
795 window: &mut Window,
796 cx: &mut App,
797 ) {
798 let assist_id = prompt_editor.read(cx).id();
799 match event {
800 PromptEditorEvent::StartRequested => {
801 self.start_assist(assist_id, window, cx);
802 }
803 PromptEditorEvent::StopRequested => {
804 self.stop_assist(assist_id, cx);
805 }
806 PromptEditorEvent::ConfirmRequested { execute: _ } => {
807 self.finish_assist(assist_id, false, window, cx);
808 }
809 PromptEditorEvent::CancelRequested => {
810 self.finish_assist(assist_id, true, window, cx);
811 }
812 PromptEditorEvent::Resized { .. } => {
813 // This only matters for the terminal inline assistant
814 }
815 }
816 }
817
818 fn handle_editor_newline(&mut self, editor: Entity<Editor>, window: &mut Window, cx: &mut App) {
819 let Some(editor_assists) = self.assists_by_editor.get(&editor.downgrade()) else {
820 return;
821 };
822
823 if editor.read(cx).selections.count() == 1 {
824 let (selection, buffer) = editor.update(cx, |editor, cx| {
825 (
826 editor
827 .selections
828 .newest::<MultiBufferOffset>(&editor.display_snapshot(cx)),
829 editor.buffer().read(cx).snapshot(cx),
830 )
831 });
832 for assist_id in &editor_assists.assist_ids {
833 let assist = &self.assists[assist_id];
834 let assist_range = assist.range.to_offset(&buffer);
835 if assist_range.contains(&selection.start) && assist_range.contains(&selection.end)
836 {
837 if matches!(assist.codegen.read(cx).status(cx), CodegenStatus::Pending) {
838 self.dismiss_assist(*assist_id, window, cx);
839 } else {
840 self.finish_assist(*assist_id, false, window, cx);
841 }
842
843 return;
844 }
845 }
846 }
847
848 cx.propagate();
849 }
850
851 fn handle_editor_cancel(&mut self, editor: Entity<Editor>, window: &mut Window, cx: &mut App) {
852 let Some(editor_assists) = self.assists_by_editor.get(&editor.downgrade()) else {
853 return;
854 };
855
856 if editor.read(cx).selections.count() == 1 {
857 let (selection, buffer) = editor.update(cx, |editor, cx| {
858 (
859 editor
860 .selections
861 .newest::<MultiBufferOffset>(&editor.display_snapshot(cx)),
862 editor.buffer().read(cx).snapshot(cx),
863 )
864 });
865 let mut closest_assist_fallback = None;
866 for assist_id in &editor_assists.assist_ids {
867 let assist = &self.assists[assist_id];
868 let assist_range = assist.range.to_offset(&buffer);
869 if assist.decorations.is_some() {
870 if assist_range.contains(&selection.start)
871 && assist_range.contains(&selection.end)
872 {
873 self.focus_assist(*assist_id, window, cx);
874 return;
875 } else {
876 let distance_from_selection = assist_range
877 .start
878 .0
879 .abs_diff(selection.start.0)
880 .min(assist_range.start.0.abs_diff(selection.end.0))
881 + assist_range
882 .end
883 .0
884 .abs_diff(selection.start.0)
885 .min(assist_range.end.0.abs_diff(selection.end.0));
886 match closest_assist_fallback {
887 Some((_, old_distance)) => {
888 if distance_from_selection < old_distance {
889 closest_assist_fallback =
890 Some((assist_id, distance_from_selection));
891 }
892 }
893 None => {
894 closest_assist_fallback = Some((assist_id, distance_from_selection))
895 }
896 }
897 }
898 }
899 }
900
901 if let Some((&assist_id, _)) = closest_assist_fallback {
902 self.focus_assist(assist_id, window, cx);
903 }
904 }
905
906 cx.propagate();
907 }
908
909 fn handle_editor_release(
910 &mut self,
911 editor: WeakEntity<Editor>,
912 window: &mut Window,
913 cx: &mut App,
914 ) {
915 if let Some(editor_assists) = self.assists_by_editor.get_mut(&editor) {
916 for assist_id in editor_assists.assist_ids.clone() {
917 self.finish_assist(assist_id, true, window, cx);
918 }
919 }
920 }
921
922 fn handle_editor_change(&mut self, editor: Entity<Editor>, window: &mut Window, cx: &mut App) {
923 let Some(editor_assists) = self.assists_by_editor.get(&editor.downgrade()) else {
924 return;
925 };
926 let Some(scroll_lock) = editor_assists.scroll_lock.as_ref() else {
927 return;
928 };
929 let assist = &self.assists[&scroll_lock.assist_id];
930 let Some(decorations) = assist.decorations.as_ref() else {
931 return;
932 };
933
934 editor.update(cx, |editor, cx| {
935 let scroll_position = editor.scroll_position(cx);
936 let target_scroll_top = editor
937 .row_for_block(decorations.prompt_block_id, cx)?
938 .as_f64()
939 - scroll_lock.distance_from_top;
940 if target_scroll_top != scroll_position.y {
941 editor.set_scroll_position(point(scroll_position.x, target_scroll_top), window, cx);
942 }
943 Some(())
944 });
945 }
946
947 fn handle_editor_event(
948 &mut self,
949 editor: Entity<Editor>,
950 event: &EditorEvent,
951 window: &mut Window,
952 cx: &mut App,
953 ) {
954 let Some(editor_assists) = self.assists_by_editor.get_mut(&editor.downgrade()) else {
955 return;
956 };
957
958 match event {
959 EditorEvent::Edited { transaction_id } => {
960 let buffer = editor.read(cx).buffer().read(cx);
961 let edited_ranges =
962 buffer.edited_ranges_for_transaction::<MultiBufferOffset>(*transaction_id, cx);
963 let snapshot = buffer.snapshot(cx);
964
965 for assist_id in editor_assists.assist_ids.clone() {
966 let assist = &self.assists[&assist_id];
967 if matches!(
968 assist.codegen.read(cx).status(cx),
969 CodegenStatus::Error(_) | CodegenStatus::Done
970 ) {
971 let assist_range = assist.range.to_offset(&snapshot);
972 if edited_ranges
973 .iter()
974 .any(|range| range.overlaps(&assist_range))
975 {
976 self.finish_assist(assist_id, false, window, cx);
977 }
978 }
979 }
980 }
981 EditorEvent::ScrollPositionChanged { .. } => {
982 if let Some(scroll_lock) = editor_assists.scroll_lock.as_ref() {
983 let assist = &self.assists[&scroll_lock.assist_id];
984 if let Some(decorations) = assist.decorations.as_ref() {
985 let distance_from_top = editor.update(cx, |editor, cx| {
986 let scroll_top = editor.scroll_position(cx).y;
987 let prompt_row = editor
988 .row_for_block(decorations.prompt_block_id, cx)?
989 .0 as ScrollOffset;
990 Some(prompt_row - scroll_top)
991 });
992
993 if distance_from_top.is_none_or(|distance_from_top| {
994 distance_from_top != scroll_lock.distance_from_top
995 }) {
996 editor_assists.scroll_lock = None;
997 }
998 }
999 }
1000 }
1001 EditorEvent::SelectionsChanged { .. } => {
1002 for assist_id in editor_assists.assist_ids.clone() {
1003 let assist = &self.assists[&assist_id];
1004 if let Some(decorations) = assist.decorations.as_ref()
1005 && decorations
1006 .prompt_editor
1007 .focus_handle(cx)
1008 .is_focused(window)
1009 {
1010 return;
1011 }
1012 }
1013
1014 editor_assists.scroll_lock = None;
1015 }
1016 _ => {}
1017 }
1018 }
1019
1020 pub fn finish_assist(
1021 &mut self,
1022 assist_id: InlineAssistId,
1023 undo: bool,
1024 window: &mut Window,
1025 cx: &mut App,
1026 ) {
1027 if let Some(assist) = self.assists.get(&assist_id) {
1028 let assist_group_id = assist.group_id;
1029 if self.assist_groups[&assist_group_id].linked {
1030 for assist_id in self.unlink_assist_group(assist_group_id, window, cx) {
1031 self.finish_assist(assist_id, undo, window, cx);
1032 }
1033 return;
1034 }
1035 }
1036
1037 self.dismiss_assist(assist_id, window, cx);
1038
1039 if let Some(assist) = self.assists.remove(&assist_id) {
1040 if let hash_map::Entry::Occupied(mut entry) = self.assist_groups.entry(assist.group_id)
1041 {
1042 entry.get_mut().assist_ids.retain(|id| *id != assist_id);
1043 if entry.get().assist_ids.is_empty() {
1044 entry.remove();
1045 }
1046 }
1047
1048 if let hash_map::Entry::Occupied(mut entry) =
1049 self.assists_by_editor.entry(assist.editor.clone())
1050 {
1051 entry.get_mut().assist_ids.retain(|id| *id != assist_id);
1052 if entry.get().assist_ids.is_empty() {
1053 entry.remove();
1054 if let Some(editor) = assist.editor.upgrade() {
1055 self.update_editor_highlights(&editor, cx);
1056 }
1057 } else {
1058 entry.get_mut().highlight_updates.send(()).ok();
1059 }
1060 }
1061
1062 let active_alternative = assist.codegen.read(cx).active_alternative().clone();
1063 if let Some(model) = LanguageModelRegistry::read_global(cx).inline_assistant_model() {
1064 let language_name = assist.editor.upgrade().and_then(|editor| {
1065 let multibuffer = editor.read(cx).buffer().read(cx);
1066 let snapshot = multibuffer.snapshot(cx);
1067 let ranges = snapshot.range_to_buffer_ranges(assist.range.clone());
1068 ranges
1069 .first()
1070 .and_then(|(buffer, _, _)| buffer.language())
1071 .map(|language| language.name().0.to_string())
1072 });
1073
1074 let codegen = assist.codegen.read(cx);
1075 let session_id = codegen.session_id();
1076 let message_id = active_alternative.read(cx).message_id.clone();
1077 let model_telemetry_id = model.model.telemetry_id();
1078 let model_provider_id = model.model.provider_id().to_string();
1079
1080 let (phase, event_type, anthropic_event_type) = if undo {
1081 (
1082 "rejected",
1083 "Assistant Response Rejected",
1084 language_model::AnthropicEventType::Reject,
1085 )
1086 } else {
1087 (
1088 "accepted",
1089 "Assistant Response Accepted",
1090 language_model::AnthropicEventType::Accept,
1091 )
1092 };
1093
1094 telemetry::event!(
1095 event_type,
1096 phase,
1097 session_id = session_id.to_string(),
1098 kind = "inline",
1099 model = model_telemetry_id,
1100 model_provider = model_provider_id,
1101 language_name = language_name,
1102 message_id = message_id.as_deref(),
1103 );
1104
1105 report_anthropic_event(
1106 &model.model,
1107 language_model::AnthropicEventData {
1108 completion_type: language_model::AnthropicCompletionType::Editor,
1109 event: anthropic_event_type,
1110 language_name,
1111 message_id,
1112 },
1113 cx,
1114 );
1115 }
1116
1117 if undo {
1118 assist.codegen.update(cx, |codegen, cx| codegen.undo(cx));
1119 } else {
1120 self.confirmed_assists.insert(assist_id, active_alternative);
1121 }
1122 }
1123 }
1124
1125 fn dismiss_assist(
1126 &mut self,
1127 assist_id: InlineAssistId,
1128 window: &mut Window,
1129 cx: &mut App,
1130 ) -> bool {
1131 let Some(assist) = self.assists.get_mut(&assist_id) else {
1132 return false;
1133 };
1134 let Some(editor) = assist.editor.upgrade() else {
1135 return false;
1136 };
1137 let Some(decorations) = assist.decorations.take() else {
1138 return false;
1139 };
1140
1141 editor.update(cx, |editor, cx| {
1142 let mut to_remove = decorations.removed_line_block_ids;
1143 to_remove.insert(decorations.prompt_block_id);
1144 to_remove.insert(decorations.end_block_id);
1145 if let Some(tool_description_block_id) = decorations.model_explanation {
1146 to_remove.insert(tool_description_block_id);
1147 }
1148 editor.remove_blocks(to_remove, None, cx);
1149 });
1150
1151 if decorations
1152 .prompt_editor
1153 .focus_handle(cx)
1154 .contains_focused(window, cx)
1155 {
1156 self.focus_next_assist(assist_id, window, cx);
1157 }
1158
1159 if let Some(editor_assists) = self.assists_by_editor.get_mut(&editor.downgrade()) {
1160 if editor_assists
1161 .scroll_lock
1162 .as_ref()
1163 .is_some_and(|lock| lock.assist_id == assist_id)
1164 {
1165 editor_assists.scroll_lock = None;
1166 }
1167 editor_assists.highlight_updates.send(()).ok();
1168 }
1169
1170 true
1171 }
1172
1173 fn focus_next_assist(&mut self, assist_id: InlineAssistId, window: &mut Window, cx: &mut App) {
1174 let Some(assist) = self.assists.get(&assist_id) else {
1175 return;
1176 };
1177
1178 let assist_group = &self.assist_groups[&assist.group_id];
1179 let assist_ix = assist_group
1180 .assist_ids
1181 .iter()
1182 .position(|id| *id == assist_id)
1183 .unwrap();
1184 let assist_ids = assist_group
1185 .assist_ids
1186 .iter()
1187 .skip(assist_ix + 1)
1188 .chain(assist_group.assist_ids.iter().take(assist_ix));
1189
1190 for assist_id in assist_ids {
1191 let assist = &self.assists[assist_id];
1192 if assist.decorations.is_some() {
1193 self.focus_assist(*assist_id, window, cx);
1194 return;
1195 }
1196 }
1197
1198 assist
1199 .editor
1200 .update(cx, |editor, cx| window.focus(&editor.focus_handle(cx)))
1201 .ok();
1202 }
1203
1204 fn focus_assist(&mut self, assist_id: InlineAssistId, window: &mut Window, cx: &mut App) {
1205 let Some(assist) = self.assists.get(&assist_id) else {
1206 return;
1207 };
1208
1209 if let Some(decorations) = assist.decorations.as_ref() {
1210 decorations.prompt_editor.update(cx, |prompt_editor, cx| {
1211 prompt_editor.editor.update(cx, |editor, cx| {
1212 window.focus(&editor.focus_handle(cx));
1213 editor.select_all(&SelectAll, window, cx);
1214 })
1215 });
1216 }
1217
1218 self.scroll_to_assist(assist_id, window, cx);
1219 }
1220
1221 pub fn scroll_to_assist(
1222 &mut self,
1223 assist_id: InlineAssistId,
1224 window: &mut Window,
1225 cx: &mut App,
1226 ) {
1227 let Some(assist) = self.assists.get(&assist_id) else {
1228 return;
1229 };
1230 let Some(editor) = assist.editor.upgrade() else {
1231 return;
1232 };
1233
1234 let position = assist.range.start;
1235 editor.update(cx, |editor, cx| {
1236 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |selections| {
1237 selections.select_anchor_ranges([position..position])
1238 });
1239
1240 let mut scroll_target_range = None;
1241 if let Some(decorations) = assist.decorations.as_ref() {
1242 scroll_target_range = maybe!({
1243 let top = editor.row_for_block(decorations.prompt_block_id, cx)?.0 as f64;
1244 let bottom = editor.row_for_block(decorations.end_block_id, cx)?.0 as f64;
1245 Some((top, bottom))
1246 });
1247 if scroll_target_range.is_none() {
1248 log::error!("bug: failed to find blocks for scrolling to inline assist");
1249 }
1250 }
1251 let scroll_target_range = scroll_target_range.unwrap_or_else(|| {
1252 let snapshot = editor.snapshot(window, cx);
1253 let start_row = assist
1254 .range
1255 .start
1256 .to_display_point(&snapshot.display_snapshot)
1257 .row();
1258 let top = start_row.0 as ScrollOffset;
1259 let bottom = top + 1.0;
1260 (top, bottom)
1261 });
1262 let mut scroll_target_top = scroll_target_range.0;
1263 let mut scroll_target_bottom = scroll_target_range.1;
1264
1265 scroll_target_top -= editor.vertical_scroll_margin() as ScrollOffset;
1266 scroll_target_bottom += editor.vertical_scroll_margin() as ScrollOffset;
1267
1268 let height_in_lines = editor.visible_line_count().unwrap_or(0.);
1269 let scroll_top = editor.scroll_position(cx).y;
1270 let scroll_bottom = scroll_top + height_in_lines;
1271
1272 if scroll_target_top < scroll_top {
1273 editor.set_scroll_position(point(0., scroll_target_top), window, cx);
1274 } else if scroll_target_bottom > scroll_bottom {
1275 if (scroll_target_bottom - scroll_target_top) <= height_in_lines {
1276 editor.set_scroll_position(
1277 point(0., scroll_target_bottom - height_in_lines),
1278 window,
1279 cx,
1280 );
1281 } else {
1282 editor.set_scroll_position(point(0., scroll_target_top), window, cx);
1283 }
1284 }
1285 });
1286 }
1287
1288 fn unlink_assist_group(
1289 &mut self,
1290 assist_group_id: InlineAssistGroupId,
1291 window: &mut Window,
1292 cx: &mut App,
1293 ) -> Vec<InlineAssistId> {
1294 let assist_group = self.assist_groups.get_mut(&assist_group_id).unwrap();
1295 assist_group.linked = false;
1296
1297 for assist_id in &assist_group.assist_ids {
1298 let assist = self.assists.get_mut(assist_id).unwrap();
1299 if let Some(editor_decorations) = assist.decorations.as_ref() {
1300 editor_decorations
1301 .prompt_editor
1302 .update(cx, |prompt_editor, cx| prompt_editor.unlink(window, cx));
1303 }
1304 }
1305 assist_group.assist_ids.clone()
1306 }
1307
1308 pub fn start_assist(&mut self, assist_id: InlineAssistId, window: &mut Window, cx: &mut App) {
1309 let assist = if let Some(assist) = self.assists.get_mut(&assist_id) {
1310 assist
1311 } else {
1312 return;
1313 };
1314
1315 let assist_group_id = assist.group_id;
1316 if self.assist_groups[&assist_group_id].linked {
1317 for assist_id in self.unlink_assist_group(assist_group_id, window, cx) {
1318 self.start_assist(assist_id, window, cx);
1319 }
1320 return;
1321 }
1322
1323 let Some((user_prompt, mention_set)) = assist.user_prompt(cx).zip(assist.mention_set(cx))
1324 else {
1325 return;
1326 };
1327
1328 self.prompt_history.retain(|prompt| *prompt != user_prompt);
1329 self.prompt_history.push_back(user_prompt.clone());
1330 if self.prompt_history.len() > PROMPT_HISTORY_MAX_LEN {
1331 self.prompt_history.pop_front();
1332 }
1333
1334 let Some(ConfiguredModel { model, .. }) =
1335 LanguageModelRegistry::read_global(cx).inline_assistant_model()
1336 else {
1337 return;
1338 };
1339
1340 let context_task = load_context(&mention_set, cx).shared();
1341 assist
1342 .codegen
1343 .update(cx, |codegen, cx| {
1344 codegen.start(model, user_prompt, context_task, cx)
1345 })
1346 .log_err();
1347 }
1348
1349 pub fn stop_assist(&mut self, assist_id: InlineAssistId, cx: &mut App) {
1350 let assist = if let Some(assist) = self.assists.get_mut(&assist_id) {
1351 assist
1352 } else {
1353 return;
1354 };
1355
1356 assist.codegen.update(cx, |codegen, cx| codegen.stop(cx));
1357 }
1358
1359 fn update_editor_highlights(&self, editor: &Entity<Editor>, cx: &mut App) {
1360 let mut gutter_pending_ranges = Vec::new();
1361 let mut gutter_transformed_ranges = Vec::new();
1362 let mut foreground_ranges = Vec::new();
1363 let mut inserted_row_ranges = Vec::new();
1364 let empty_assist_ids = Vec::new();
1365 let assist_ids = self
1366 .assists_by_editor
1367 .get(&editor.downgrade())
1368 .map_or(&empty_assist_ids, |editor_assists| {
1369 &editor_assists.assist_ids
1370 });
1371
1372 for assist_id in assist_ids {
1373 if let Some(assist) = self.assists.get(assist_id) {
1374 let codegen = assist.codegen.read(cx);
1375 let buffer = codegen.buffer(cx).read(cx).read(cx);
1376 foreground_ranges.extend(codegen.last_equal_ranges(cx).iter().cloned());
1377
1378 let pending_range =
1379 codegen.edit_position(cx).unwrap_or(assist.range.start)..assist.range.end;
1380 if pending_range.end.to_offset(&buffer) > pending_range.start.to_offset(&buffer) {
1381 gutter_pending_ranges.push(pending_range);
1382 }
1383
1384 if let Some(edit_position) = codegen.edit_position(cx) {
1385 let edited_range = assist.range.start..edit_position;
1386 if edited_range.end.to_offset(&buffer) > edited_range.start.to_offset(&buffer) {
1387 gutter_transformed_ranges.push(edited_range);
1388 }
1389 }
1390
1391 if assist.decorations.is_some() {
1392 inserted_row_ranges
1393 .extend(codegen.diff(cx).inserted_row_ranges.iter().cloned());
1394 }
1395 }
1396 }
1397
1398 let snapshot = editor.read(cx).buffer().read(cx).snapshot(cx);
1399 merge_ranges(&mut foreground_ranges, &snapshot);
1400 merge_ranges(&mut gutter_pending_ranges, &snapshot);
1401 merge_ranges(&mut gutter_transformed_ranges, &snapshot);
1402 editor.update(cx, |editor, cx| {
1403 enum GutterPendingRange {}
1404 if gutter_pending_ranges.is_empty() {
1405 editor.clear_gutter_highlights::<GutterPendingRange>(cx);
1406 } else {
1407 editor.highlight_gutter::<GutterPendingRange>(
1408 gutter_pending_ranges,
1409 |cx| cx.theme().status().info_background,
1410 cx,
1411 )
1412 }
1413
1414 enum GutterTransformedRange {}
1415 if gutter_transformed_ranges.is_empty() {
1416 editor.clear_gutter_highlights::<GutterTransformedRange>(cx);
1417 } else {
1418 editor.highlight_gutter::<GutterTransformedRange>(
1419 gutter_transformed_ranges,
1420 |cx| cx.theme().status().info,
1421 cx,
1422 )
1423 }
1424
1425 if foreground_ranges.is_empty() {
1426 editor.clear_highlights::<InlineAssist>(cx);
1427 } else {
1428 editor.highlight_text::<InlineAssist>(
1429 foreground_ranges,
1430 HighlightStyle {
1431 fade_out: Some(0.6),
1432 ..Default::default()
1433 },
1434 cx,
1435 );
1436 }
1437
1438 editor.clear_row_highlights::<InlineAssist>();
1439 for row_range in inserted_row_ranges {
1440 editor.highlight_rows::<InlineAssist>(
1441 row_range,
1442 cx.theme().status().info_background,
1443 Default::default(),
1444 cx,
1445 );
1446 }
1447 });
1448 }
1449
1450 fn update_editor_blocks(
1451 &mut self,
1452 editor: &Entity<Editor>,
1453 assist_id: InlineAssistId,
1454 window: &mut Window,
1455 cx: &mut App,
1456 ) {
1457 let Some(assist) = self.assists.get_mut(&assist_id) else {
1458 return;
1459 };
1460 let Some(decorations) = assist.decorations.as_mut() else {
1461 return;
1462 };
1463
1464 let codegen = assist.codegen.read(cx);
1465 let old_snapshot = codegen.snapshot(cx);
1466 let old_buffer = codegen.old_buffer(cx);
1467 let deleted_row_ranges = codegen.diff(cx).deleted_row_ranges.clone();
1468
1469 editor.update(cx, |editor, cx| {
1470 let old_blocks = mem::take(&mut decorations.removed_line_block_ids);
1471 editor.remove_blocks(old_blocks, None, cx);
1472
1473 let mut new_blocks = Vec::new();
1474 for (new_row, old_row_range) in deleted_row_ranges {
1475 let (_, buffer_start) = old_snapshot
1476 .point_to_buffer_offset(Point::new(*old_row_range.start(), 0))
1477 .unwrap();
1478 let (_, buffer_end) = old_snapshot
1479 .point_to_buffer_offset(Point::new(
1480 *old_row_range.end(),
1481 old_snapshot.line_len(MultiBufferRow(*old_row_range.end())),
1482 ))
1483 .unwrap();
1484
1485 let deleted_lines_editor = cx.new(|cx| {
1486 let multi_buffer =
1487 cx.new(|_| MultiBuffer::without_headers(language::Capability::ReadOnly));
1488 multi_buffer.update(cx, |multi_buffer, cx| {
1489 multi_buffer.push_excerpts(
1490 old_buffer.clone(),
1491 // todo(lw): buffer_start and buffer_end might come from different snapshots!
1492 Some(ExcerptRange::new(buffer_start..buffer_end)),
1493 cx,
1494 );
1495 });
1496
1497 enum DeletedLines {}
1498 let mut editor = Editor::for_multibuffer(multi_buffer, None, window, cx);
1499 editor.disable_scrollbars_and_minimap(window, cx);
1500 editor.set_soft_wrap_mode(language::language_settings::SoftWrap::None, cx);
1501 editor.set_show_wrap_guides(false, cx);
1502 editor.set_show_gutter(false, cx);
1503 editor.set_offset_content(false, cx);
1504 editor.scroll_manager.set_forbid_vertical_scroll(true);
1505 editor.set_read_only(true);
1506 editor.set_show_edit_predictions(Some(false), window, cx);
1507 editor.highlight_rows::<DeletedLines>(
1508 Anchor::min()..Anchor::max(),
1509 cx.theme().status().deleted_background,
1510 Default::default(),
1511 cx,
1512 );
1513 editor
1514 });
1515
1516 let height =
1517 deleted_lines_editor.update(cx, |editor, cx| editor.max_point(cx).row().0 + 1);
1518 new_blocks.push(BlockProperties {
1519 placement: BlockPlacement::Above(new_row),
1520 height: Some(height),
1521 style: BlockStyle::Flex,
1522 render: Arc::new(move |cx| {
1523 div()
1524 .block_mouse_except_scroll()
1525 .bg(cx.theme().status().deleted_background)
1526 .size_full()
1527 .h(height as f32 * cx.window.line_height())
1528 .pl(cx.margins.gutter.full_width())
1529 .child(deleted_lines_editor.clone())
1530 .into_any_element()
1531 }),
1532 priority: 0,
1533 });
1534 }
1535
1536 decorations.removed_line_block_ids = editor
1537 .insert_blocks(new_blocks, None, cx)
1538 .into_iter()
1539 .collect();
1540 })
1541 }
1542
1543 fn resolve_inline_assist_target(
1544 workspace: &mut Workspace,
1545 agent_panel: Option<Entity<AgentPanel>>,
1546 window: &mut Window,
1547 cx: &mut App,
1548 ) -> Option<InlineAssistTarget> {
1549 if let Some(terminal_panel) = workspace.panel::<TerminalPanel>(cx)
1550 && terminal_panel
1551 .read(cx)
1552 .focus_handle(cx)
1553 .contains_focused(window, cx)
1554 && let Some(terminal_view) = terminal_panel.read(cx).pane().and_then(|pane| {
1555 pane.read(cx)
1556 .active_item()
1557 .and_then(|t| t.downcast::<TerminalView>())
1558 })
1559 {
1560 return Some(InlineAssistTarget::Terminal(terminal_view));
1561 }
1562
1563 let text_thread_editor = agent_panel
1564 .and_then(|panel| panel.read(cx).active_text_thread_editor())
1565 .and_then(|editor| {
1566 let editor = &editor.read(cx).editor().clone();
1567 if editor.read(cx).is_focused(window) {
1568 Some(editor.clone())
1569 } else {
1570 None
1571 }
1572 });
1573
1574 if let Some(text_thread_editor) = text_thread_editor {
1575 Some(InlineAssistTarget::Editor(text_thread_editor))
1576 } else if let Some(workspace_editor) = workspace
1577 .active_item(cx)
1578 .and_then(|item| item.act_as::<Editor>(cx))
1579 {
1580 Some(InlineAssistTarget::Editor(workspace_editor))
1581 } else {
1582 workspace
1583 .active_item(cx)
1584 .and_then(|item| item.act_as::<TerminalView>(cx))
1585 .map(InlineAssistTarget::Terminal)
1586 }
1587 }
1588
1589 #[cfg(any(test, feature = "test-support"))]
1590 pub fn set_completion_receiver(
1591 &mut self,
1592 sender: mpsc::UnboundedSender<anyhow::Result<InlineAssistId>>,
1593 ) {
1594 self._inline_assistant_completions = Some(sender);
1595 }
1596
1597 #[cfg(any(test, feature = "test-support"))]
1598 pub fn get_codegen(
1599 &mut self,
1600 assist_id: InlineAssistId,
1601 cx: &mut App,
1602 ) -> Option<Entity<CodegenAlternative>> {
1603 self.assists.get(&assist_id).map(|inline_assist| {
1604 inline_assist
1605 .codegen
1606 .update(cx, |codegen, _cx| codegen.active_alternative().clone())
1607 })
1608 }
1609}
1610
1611struct EditorInlineAssists {
1612 assist_ids: Vec<InlineAssistId>,
1613 scroll_lock: Option<InlineAssistScrollLock>,
1614 highlight_updates: watch::Sender<()>,
1615 _update_highlights: Task<Result<()>>,
1616 _subscriptions: Vec<gpui::Subscription>,
1617}
1618
1619struct InlineAssistScrollLock {
1620 assist_id: InlineAssistId,
1621 distance_from_top: ScrollOffset,
1622}
1623
1624impl EditorInlineAssists {
1625 fn new(editor: &Entity<Editor>, window: &mut Window, cx: &mut App) -> Self {
1626 let (highlight_updates_tx, mut highlight_updates_rx) = watch::channel(());
1627 Self {
1628 assist_ids: Vec::new(),
1629 scroll_lock: None,
1630 highlight_updates: highlight_updates_tx,
1631 _update_highlights: cx.spawn({
1632 let editor = editor.downgrade();
1633 async move |cx| {
1634 while let Ok(()) = highlight_updates_rx.changed().await {
1635 let editor = editor.upgrade().context("editor was dropped")?;
1636 cx.update_global(|assistant: &mut InlineAssistant, cx| {
1637 assistant.update_editor_highlights(&editor, cx);
1638 })?;
1639 }
1640 Ok(())
1641 }
1642 }),
1643 _subscriptions: vec![
1644 cx.observe_release_in(editor, window, {
1645 let editor = editor.downgrade();
1646 |_, window, cx| {
1647 InlineAssistant::update_global(cx, |this, cx| {
1648 this.handle_editor_release(editor, window, cx);
1649 })
1650 }
1651 }),
1652 window.observe(editor, cx, move |editor, window, cx| {
1653 InlineAssistant::update_global(cx, |this, cx| {
1654 this.handle_editor_change(editor, window, cx)
1655 })
1656 }),
1657 window.subscribe(editor, cx, move |editor, event, window, cx| {
1658 InlineAssistant::update_global(cx, |this, cx| {
1659 this.handle_editor_event(editor, event, window, cx)
1660 })
1661 }),
1662 editor.update(cx, |editor, cx| {
1663 let editor_handle = cx.entity().downgrade();
1664 editor.register_action(move |_: &editor::actions::Newline, window, cx| {
1665 InlineAssistant::update_global(cx, |this, cx| {
1666 if let Some(editor) = editor_handle.upgrade() {
1667 this.handle_editor_newline(editor, window, cx)
1668 }
1669 })
1670 })
1671 }),
1672 editor.update(cx, |editor, cx| {
1673 let editor_handle = cx.entity().downgrade();
1674 editor.register_action(move |_: &editor::actions::Cancel, window, cx| {
1675 InlineAssistant::update_global(cx, |this, cx| {
1676 if let Some(editor) = editor_handle.upgrade() {
1677 this.handle_editor_cancel(editor, window, cx)
1678 }
1679 })
1680 })
1681 }),
1682 ],
1683 }
1684 }
1685}
1686
1687struct InlineAssistGroup {
1688 assist_ids: Vec<InlineAssistId>,
1689 linked: bool,
1690 active_assist_id: Option<InlineAssistId>,
1691}
1692
1693impl InlineAssistGroup {
1694 fn new() -> Self {
1695 Self {
1696 assist_ids: Vec::new(),
1697 linked: true,
1698 active_assist_id: None,
1699 }
1700 }
1701}
1702
1703fn build_assist_editor_renderer(editor: &Entity<PromptEditor<BufferCodegen>>) -> RenderBlock {
1704 let editor = editor.clone();
1705
1706 Arc::new(move |cx: &mut BlockContext| {
1707 let editor_margins = editor.read(cx).editor_margins();
1708
1709 *editor_margins.lock() = *cx.margins;
1710 editor.clone().into_any_element()
1711 })
1712}
1713
1714#[derive(Copy, Clone, Default, Debug, PartialEq, Eq, Hash)]
1715struct InlineAssistGroupId(usize);
1716
1717impl InlineAssistGroupId {
1718 fn post_inc(&mut self) -> InlineAssistGroupId {
1719 let id = *self;
1720 self.0 += 1;
1721 id
1722 }
1723}
1724
1725pub struct InlineAssist {
1726 group_id: InlineAssistGroupId,
1727 range: Range<Anchor>,
1728 editor: WeakEntity<Editor>,
1729 decorations: Option<InlineAssistDecorations>,
1730 codegen: Entity<BufferCodegen>,
1731 _subscriptions: Vec<Subscription>,
1732 workspace: WeakEntity<Workspace>,
1733}
1734
1735impl InlineAssist {
1736 fn new(
1737 assist_id: InlineAssistId,
1738 group_id: InlineAssistGroupId,
1739 editor: &Entity<Editor>,
1740 prompt_editor: &Entity<PromptEditor<BufferCodegen>>,
1741 prompt_block_id: CustomBlockId,
1742 tool_description_block_id: CustomBlockId,
1743 end_block_id: CustomBlockId,
1744 range: Range<Anchor>,
1745 codegen: Entity<BufferCodegen>,
1746 workspace: WeakEntity<Workspace>,
1747 window: &mut Window,
1748 cx: &mut App,
1749 ) -> Self {
1750 let prompt_editor_focus_handle = prompt_editor.focus_handle(cx);
1751 InlineAssist {
1752 group_id,
1753 editor: editor.downgrade(),
1754 decorations: Some(InlineAssistDecorations {
1755 prompt_block_id,
1756 prompt_editor: prompt_editor.clone(),
1757 removed_line_block_ids: Default::default(),
1758 model_explanation: Some(tool_description_block_id),
1759 end_block_id,
1760 }),
1761 range,
1762 codegen: codegen.clone(),
1763 workspace,
1764 _subscriptions: vec![
1765 window.on_focus_in(&prompt_editor_focus_handle, cx, move |_, cx| {
1766 InlineAssistant::update_global(cx, |this, cx| {
1767 this.handle_prompt_editor_focus_in(assist_id, cx)
1768 })
1769 }),
1770 window.on_focus_out(&prompt_editor_focus_handle, cx, move |_, _, cx| {
1771 InlineAssistant::update_global(cx, |this, cx| {
1772 this.handle_prompt_editor_focus_out(assist_id, cx)
1773 })
1774 }),
1775 window.subscribe(prompt_editor, cx, |prompt_editor, event, window, cx| {
1776 InlineAssistant::update_global(cx, |this, cx| {
1777 this.handle_prompt_editor_event(prompt_editor, event, window, cx)
1778 })
1779 }),
1780 window.observe(&codegen, cx, {
1781 let editor = editor.downgrade();
1782 move |_, window, cx| {
1783 if let Some(editor) = editor.upgrade() {
1784 InlineAssistant::update_global(cx, |this, cx| {
1785 if let Some(editor_assists) =
1786 this.assists_by_editor.get_mut(&editor.downgrade())
1787 {
1788 editor_assists.highlight_updates.send(()).ok();
1789 }
1790
1791 this.update_editor_blocks(&editor, assist_id, window, cx);
1792 })
1793 }
1794 }
1795 }),
1796 window.subscribe(&codegen, cx, move |codegen, event, window, cx| {
1797 InlineAssistant::update_global(cx, |this, cx| match event {
1798 CodegenEvent::Undone => this.finish_assist(assist_id, false, window, cx),
1799 CodegenEvent::Finished => {
1800 let assist = if let Some(assist) = this.assists.get(&assist_id) {
1801 assist
1802 } else {
1803 return;
1804 };
1805
1806 if let CodegenStatus::Error(error) = codegen.read(cx).status(cx)
1807 && assist.decorations.is_none()
1808 && let Some(workspace) = assist.workspace.upgrade()
1809 {
1810 #[cfg(any(test, feature = "test-support"))]
1811 if let Some(sender) = &mut this._inline_assistant_completions {
1812 sender
1813 .unbounded_send(Err(anyhow::anyhow!(
1814 "Inline assistant error: {}",
1815 error
1816 )))
1817 .ok();
1818 }
1819
1820 let error = format!("Inline assistant error: {}", error);
1821 workspace.update(cx, |workspace, cx| {
1822 struct InlineAssistantError;
1823
1824 let id = NotificationId::composite::<InlineAssistantError>(
1825 assist_id.0,
1826 );
1827
1828 workspace.show_toast(Toast::new(id, error), cx);
1829 })
1830 } else {
1831 #[cfg(any(test, feature = "test-support"))]
1832 if let Some(sender) = &mut this._inline_assistant_completions {
1833 sender.unbounded_send(Ok(assist_id)).ok();
1834 }
1835 }
1836
1837 if assist.decorations.is_none() {
1838 this.finish_assist(assist_id, false, window, cx);
1839 }
1840 }
1841 })
1842 }),
1843 ],
1844 }
1845 }
1846
1847 fn user_prompt(&self, cx: &App) -> Option<String> {
1848 let decorations = self.decorations.as_ref()?;
1849 Some(decorations.prompt_editor.read(cx).prompt(cx))
1850 }
1851
1852 fn mention_set(&self, cx: &App) -> Option<Entity<MentionSet>> {
1853 let decorations = self.decorations.as_ref()?;
1854 Some(decorations.prompt_editor.read(cx).mention_set().clone())
1855 }
1856}
1857
1858struct InlineAssistDecorations {
1859 prompt_block_id: CustomBlockId,
1860 prompt_editor: Entity<PromptEditor<BufferCodegen>>,
1861 removed_line_block_ids: HashSet<CustomBlockId>,
1862 model_explanation: Option<CustomBlockId>,
1863 end_block_id: CustomBlockId,
1864}
1865
1866struct AssistantCodeActionProvider {
1867 editor: WeakEntity<Editor>,
1868 workspace: WeakEntity<Workspace>,
1869}
1870
1871const ASSISTANT_CODE_ACTION_PROVIDER_ID: &str = "assistant";
1872
1873impl CodeActionProvider for AssistantCodeActionProvider {
1874 fn id(&self) -> Arc<str> {
1875 ASSISTANT_CODE_ACTION_PROVIDER_ID.into()
1876 }
1877
1878 fn code_actions(
1879 &self,
1880 buffer: &Entity<Buffer>,
1881 range: Range<text::Anchor>,
1882 _: &mut Window,
1883 cx: &mut App,
1884 ) -> Task<Result<Vec<CodeAction>>> {
1885 if !AgentSettings::get_global(cx).enabled(cx) {
1886 return Task::ready(Ok(Vec::new()));
1887 }
1888
1889 let snapshot = buffer.read(cx).snapshot();
1890 let mut range = range.to_point(&snapshot);
1891
1892 // Expand the range to line boundaries.
1893 range.start.column = 0;
1894 range.end.column = snapshot.line_len(range.end.row);
1895
1896 let mut has_diagnostics = false;
1897 for diagnostic in snapshot.diagnostics_in_range::<_, Point>(range.clone(), false) {
1898 range.start = cmp::min(range.start, diagnostic.range.start);
1899 range.end = cmp::max(range.end, diagnostic.range.end);
1900 has_diagnostics = true;
1901 }
1902 if has_diagnostics {
1903 let symbols_containing_start = snapshot.symbols_containing(range.start, None);
1904 if let Some(symbol) = symbols_containing_start.last() {
1905 range.start = cmp::min(range.start, symbol.range.start.to_point(&snapshot));
1906 range.end = cmp::max(range.end, symbol.range.end.to_point(&snapshot));
1907 }
1908 let symbols_containing_end = snapshot.symbols_containing(range.end, None);
1909 if let Some(symbol) = symbols_containing_end.last() {
1910 range.start = cmp::min(range.start, symbol.range.start.to_point(&snapshot));
1911 range.end = cmp::max(range.end, symbol.range.end.to_point(&snapshot));
1912 }
1913
1914 Task::ready(Ok(vec![CodeAction {
1915 server_id: language::LanguageServerId(0),
1916 range: snapshot.anchor_before(range.start)..snapshot.anchor_after(range.end),
1917 lsp_action: LspAction::Action(Box::new(lsp::CodeAction {
1918 title: "Fix with Assistant".into(),
1919 ..Default::default()
1920 })),
1921 resolved: true,
1922 }]))
1923 } else {
1924 Task::ready(Ok(Vec::new()))
1925 }
1926 }
1927
1928 fn apply_code_action(
1929 &self,
1930 buffer: Entity<Buffer>,
1931 action: CodeAction,
1932 excerpt_id: ExcerptId,
1933 _push_to_history: bool,
1934 window: &mut Window,
1935 cx: &mut App,
1936 ) -> Task<Result<ProjectTransaction>> {
1937 let editor = self.editor.clone();
1938 let workspace = self.workspace.clone();
1939 let prompt_store = PromptStore::global(cx);
1940 window.spawn(cx, async move |cx| {
1941 let workspace = workspace.upgrade().context("workspace was released")?;
1942 let thread_store = cx.update(|_window, cx| {
1943 anyhow::Ok(
1944 workspace
1945 .read(cx)
1946 .panel::<AgentPanel>(cx)
1947 .context("missing agent panel")?
1948 .read(cx)
1949 .thread_store()
1950 .clone(),
1951 )
1952 })??;
1953 let editor = editor.upgrade().context("editor was released")?;
1954 let range = editor
1955 .update(cx, |editor, cx| {
1956 editor.buffer().update(cx, |multibuffer, cx| {
1957 let buffer = buffer.read(cx);
1958 let multibuffer_snapshot = multibuffer.read(cx);
1959
1960 let old_context_range =
1961 multibuffer_snapshot.context_range_for_excerpt(excerpt_id)?;
1962 let mut new_context_range = old_context_range.clone();
1963 if action
1964 .range
1965 .start
1966 .cmp(&old_context_range.start, buffer)
1967 .is_lt()
1968 {
1969 new_context_range.start = action.range.start;
1970 }
1971 if action.range.end.cmp(&old_context_range.end, buffer).is_gt() {
1972 new_context_range.end = action.range.end;
1973 }
1974 drop(multibuffer_snapshot);
1975
1976 if new_context_range != old_context_range {
1977 multibuffer.resize_excerpt(excerpt_id, new_context_range, cx);
1978 }
1979
1980 let multibuffer_snapshot = multibuffer.read(cx);
1981 multibuffer_snapshot.anchor_range_in_excerpt(excerpt_id, action.range)
1982 })
1983 })?
1984 .context("invalid range")?;
1985
1986 let prompt_store = prompt_store.await.ok();
1987 cx.update_global(|assistant: &mut InlineAssistant, window, cx| {
1988 let assist_id = assistant.suggest_assist(
1989 &editor,
1990 range,
1991 "Fix Diagnostics".into(),
1992 None,
1993 true,
1994 workspace,
1995 thread_store,
1996 prompt_store,
1997 window,
1998 cx,
1999 );
2000 assistant.start_assist(assist_id, window, cx);
2001 })?;
2002
2003 Ok(ProjectTransaction::default())
2004 })
2005 }
2006}
2007
2008fn merge_ranges(ranges: &mut Vec<Range<Anchor>>, buffer: &MultiBufferSnapshot) {
2009 ranges.sort_unstable_by(|a, b| {
2010 a.start
2011 .cmp(&b.start, buffer)
2012 .then_with(|| b.end.cmp(&a.end, buffer))
2013 });
2014
2015 let mut ix = 0;
2016 while ix + 1 < ranges.len() {
2017 let b = ranges[ix + 1].clone();
2018 let a = &mut ranges[ix];
2019 if a.end.cmp(&b.start, buffer).is_gt() {
2020 if a.end.cmp(&b.end, buffer).is_lt() {
2021 a.end = b.end;
2022 }
2023 ranges.remove(ix + 1);
2024 } else {
2025 ix += 1;
2026 }
2027 }
2028}
2029
2030#[cfg(any(test, feature = "unit-eval"))]
2031#[cfg_attr(not(test), allow(dead_code))]
2032pub mod test {
2033
2034 use std::sync::Arc;
2035
2036 use agent::HistoryStore;
2037 use assistant_text_thread::TextThreadStore;
2038 use client::{Client, UserStore};
2039 use editor::{Editor, MultiBuffer, MultiBufferOffset};
2040 use fs::FakeFs;
2041 use futures::channel::mpsc;
2042 use gpui::{AppContext, TestAppContext, UpdateGlobal as _};
2043 use language::Buffer;
2044 use project::Project;
2045 use prompt_store::PromptBuilder;
2046 use smol::stream::StreamExt as _;
2047 use util::test::marked_text_ranges;
2048 use workspace::Workspace;
2049
2050 use crate::InlineAssistant;
2051
2052 #[derive(Debug)]
2053 pub enum InlineAssistantOutput {
2054 Success {
2055 completion: Option<String>,
2056 description: Option<String>,
2057 full_buffer_text: String,
2058 },
2059 Failure {
2060 failure: String,
2061 },
2062 // These fields are used for logging
2063 #[allow(unused)]
2064 Malformed {
2065 completion: Option<String>,
2066 description: Option<String>,
2067 failure: Option<String>,
2068 },
2069 }
2070
2071 pub fn run_inline_assistant_test<SetupF, TestF>(
2072 base_buffer: String,
2073 prompt: String,
2074 setup: SetupF,
2075 test: TestF,
2076 cx: &mut TestAppContext,
2077 ) -> InlineAssistantOutput
2078 where
2079 SetupF: FnOnce(&mut gpui::VisualTestContext),
2080 TestF: FnOnce(&mut gpui::VisualTestContext),
2081 {
2082 let fs = FakeFs::new(cx.executor());
2083 let app_state = cx.update(|cx| workspace::AppState::test(cx));
2084 let prompt_builder = Arc::new(PromptBuilder::new(None).unwrap());
2085 let http = Arc::new(reqwest_client::ReqwestClient::user_agent("agent tests").unwrap());
2086 let client = cx.update(|cx| {
2087 cx.set_http_client(http);
2088 Client::production(cx)
2089 });
2090 let mut inline_assistant = InlineAssistant::new(fs.clone(), prompt_builder);
2091
2092 let (tx, mut completion_rx) = mpsc::unbounded();
2093 inline_assistant.set_completion_receiver(tx);
2094
2095 // Initialize settings and client
2096 cx.update(|cx| {
2097 gpui_tokio::init(cx);
2098 settings::init(cx);
2099 client::init(&client, cx);
2100 workspace::init(app_state.clone(), cx);
2101 let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
2102 language_model::init(client.clone(), cx);
2103 language_models::init(user_store, client.clone(), cx);
2104
2105 cx.set_global(inline_assistant);
2106 });
2107
2108 let project = cx
2109 .executor()
2110 .block_test(async { Project::test(fs.clone(), [], cx).await });
2111
2112 // Create workspace with window
2113 let (workspace, cx) = cx.add_window_view(|window, cx| {
2114 window.activate_window();
2115 Workspace::new(None, project.clone(), app_state.clone(), window, cx)
2116 });
2117
2118 setup(cx);
2119
2120 let (_editor, buffer) = cx.update(|window, cx| {
2121 let buffer = cx.new(|cx| Buffer::local("", cx));
2122 let multibuffer = cx.new(|cx| MultiBuffer::singleton(buffer.clone(), cx));
2123 let editor = cx.new(|cx| Editor::for_multibuffer(multibuffer, None, window, cx));
2124 editor.update(cx, |editor, cx| {
2125 let (unmarked_text, selection_ranges) = marked_text_ranges(&base_buffer, true);
2126 editor.set_text(unmarked_text, window, cx);
2127 editor.change_selections(Default::default(), window, cx, |s| {
2128 s.select_ranges(
2129 selection_ranges.into_iter().map(|range| {
2130 MultiBufferOffset(range.start)..MultiBufferOffset(range.end)
2131 }),
2132 )
2133 })
2134 });
2135
2136 let text_thread_store = cx.new(|cx| TextThreadStore::fake(project.clone(), cx));
2137 let history_store = cx.new(|cx| HistoryStore::new(text_thread_store, cx));
2138
2139 // Add editor to workspace
2140 workspace.update(cx, |workspace, cx| {
2141 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, window, cx);
2142 });
2143
2144 // Call assist method
2145 InlineAssistant::update_global(cx, |inline_assistant, cx| {
2146 let assist_id = inline_assistant
2147 .assist(
2148 &editor,
2149 workspace.downgrade(),
2150 project.downgrade(),
2151 history_store, // thread_store
2152 None, // prompt_store
2153 Some(prompt),
2154 window,
2155 cx,
2156 )
2157 .unwrap();
2158
2159 inline_assistant.start_assist(assist_id, window, cx);
2160 });
2161
2162 (editor, buffer)
2163 });
2164
2165 cx.run_until_parked();
2166
2167 test(cx);
2168
2169 let assist_id = cx
2170 .executor()
2171 .block_test(async { completion_rx.next().await })
2172 .unwrap()
2173 .unwrap();
2174
2175 let (completion, description, failure) = cx.update(|_, cx| {
2176 InlineAssistant::update_global(cx, |inline_assistant, cx| {
2177 let codegen = inline_assistant.get_codegen(assist_id, cx).unwrap();
2178
2179 let completion = codegen.read(cx).current_completion();
2180 let description = codegen.read(cx).current_description();
2181 let failure = codegen.read(cx).current_failure();
2182
2183 (completion, description, failure)
2184 })
2185 });
2186
2187 if failure.is_some() && (completion.is_some() || description.is_some()) {
2188 InlineAssistantOutput::Malformed {
2189 completion,
2190 description,
2191 failure,
2192 }
2193 } else if let Some(failure) = failure {
2194 InlineAssistantOutput::Failure { failure }
2195 } else {
2196 InlineAssistantOutput::Success {
2197 completion,
2198 description,
2199 full_buffer_text: buffer.read_with(cx, |buffer, _| buffer.text()),
2200 }
2201 }
2202 }
2203}
2204
2205#[cfg(any(test, feature = "unit-eval"))]
2206#[cfg_attr(not(test), allow(dead_code))]
2207pub mod evals {
2208 use std::str::FromStr;
2209
2210 use eval_utils::{EvalOutput, NoProcessor};
2211 use gpui::TestAppContext;
2212 use language_model::{LanguageModelRegistry, SelectedModel};
2213 use rand::{SeedableRng as _, rngs::StdRng};
2214
2215 use crate::inline_assistant::test::{InlineAssistantOutput, run_inline_assistant_test};
2216
2217 #[test]
2218 #[cfg_attr(not(feature = "unit-eval"), ignore)]
2219 fn eval_single_cursor_edit() {
2220 run_eval(
2221 20,
2222 1.0,
2223 "Rename this variable to buffer_text".to_string(),
2224 indoc::indoc! {"
2225 struct EvalExampleStruct {
2226 text: Strˇing,
2227 prompt: String,
2228 }
2229 "}
2230 .to_string(),
2231 exact_buffer_match(indoc::indoc! {"
2232 struct EvalExampleStruct {
2233 buffer_text: String,
2234 prompt: String,
2235 }
2236 "}),
2237 );
2238 }
2239
2240 #[test]
2241 #[cfg_attr(not(feature = "unit-eval"), ignore)]
2242 fn eval_cant_do() {
2243 run_eval(
2244 20,
2245 0.95,
2246 "Rename the struct to EvalExampleStructNope",
2247 indoc::indoc! {"
2248 struct EvalExampleStruct {
2249 text: Strˇing,
2250 prompt: String,
2251 }
2252 "},
2253 uncertain_output,
2254 );
2255 }
2256
2257 #[test]
2258 #[cfg_attr(not(feature = "unit-eval"), ignore)]
2259 fn eval_unclear() {
2260 run_eval(
2261 20,
2262 0.95,
2263 "Make exactly the change I want you to make",
2264 indoc::indoc! {"
2265 struct EvalExampleStruct {
2266 text: Strˇing,
2267 prompt: String,
2268 }
2269 "},
2270 uncertain_output,
2271 );
2272 }
2273
2274 fn run_eval(
2275 iterations: usize,
2276 expected_pass_ratio: f32,
2277 prompt: impl Into<String>,
2278 buffer: impl Into<String>,
2279 judge: impl Fn(InlineAssistantOutput) -> eval_utils::EvalOutput<()> + Send + Sync + 'static,
2280 ) {
2281 let buffer = buffer.into();
2282 let prompt = prompt.into();
2283
2284 eval_utils::eval(iterations, expected_pass_ratio, NoProcessor, move || {
2285 let dispatcher = gpui::TestDispatcher::new(StdRng::from_os_rng());
2286 let mut cx = TestAppContext::build(dispatcher, None);
2287 cx.skip_drawing();
2288
2289 let output = run_inline_assistant_test(
2290 buffer.clone(),
2291 prompt.clone(),
2292 |cx| {
2293 // Reconfigure to use a real model instead of the fake one
2294 let model_name = std::env::var("ZED_AGENT_MODEL")
2295 .unwrap_or("anthropic/claude-sonnet-4-latest".into());
2296
2297 let selected_model = SelectedModel::from_str(&model_name)
2298 .expect("Invalid model format. Use 'provider/model-id'");
2299
2300 log::info!("Selected model: {selected_model:?}");
2301
2302 cx.update(|_, cx| {
2303 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2304 registry.select_inline_assistant_model(Some(&selected_model), cx);
2305 });
2306 });
2307 },
2308 |_cx| {
2309 log::info!("Waiting for actual response from the LLM...");
2310 },
2311 &mut cx,
2312 );
2313
2314 cx.quit();
2315
2316 judge(output)
2317 });
2318 }
2319
2320 fn uncertain_output(output: InlineAssistantOutput) -> EvalOutput<()> {
2321 match &output {
2322 o @ InlineAssistantOutput::Success {
2323 completion,
2324 description,
2325 ..
2326 } => {
2327 if description.is_some() && completion.is_none() {
2328 EvalOutput::passed(format!(
2329 "Assistant produced no completion, but a description:\n{}",
2330 description.as_ref().unwrap()
2331 ))
2332 } else {
2333 EvalOutput::failed(format!("Assistant produced a completion:\n{:?}", o))
2334 }
2335 }
2336 InlineAssistantOutput::Failure {
2337 failure: error_message,
2338 } => EvalOutput::passed(format!(
2339 "Assistant produced a failure message: {}",
2340 error_message
2341 )),
2342 o @ InlineAssistantOutput::Malformed { .. } => {
2343 EvalOutput::failed(format!("Assistant produced a malformed response:\n{:?}", o))
2344 }
2345 }
2346 }
2347
2348 fn exact_buffer_match(
2349 correct_output: impl Into<String>,
2350 ) -> impl Fn(InlineAssistantOutput) -> EvalOutput<()> {
2351 let correct_output = correct_output.into();
2352 move |output| match output {
2353 InlineAssistantOutput::Success {
2354 description,
2355 full_buffer_text,
2356 ..
2357 } => {
2358 if full_buffer_text == correct_output && description.is_none() {
2359 EvalOutput::passed("Assistant output matches")
2360 } else if full_buffer_text == correct_output {
2361 EvalOutput::failed(format!(
2362 "Assistant output produced an unescessary description description:\n{:?}",
2363 description
2364 ))
2365 } else {
2366 EvalOutput::failed(format!(
2367 "Assistant output does not match expected output:\n{:?}\ndescription:\n{:?}",
2368 full_buffer_text, description
2369 ))
2370 }
2371 }
2372 o @ InlineAssistantOutput::Failure { .. } => EvalOutput::failed(format!(
2373 "Assistant output does not match expected output: {:?}",
2374 o
2375 )),
2376 o @ InlineAssistantOutput::Malformed { .. } => EvalOutput::failed(format!(
2377 "Assistant output does not match expected output: {:?}",
2378 o
2379 )),
2380 }
2381 }
2382}