1mod connection;
2mod old_acp_support;
3pub use connection::*;
4pub use old_acp_support::*;
5
6use agent_client_protocol as acp;
7use anyhow::{Context as _, Result};
8use assistant_tool::ActionLog;
9use buffer_diff::BufferDiff;
10use editor::{Bias, MultiBuffer, PathKey};
11use futures::{FutureExt, channel::oneshot, future::BoxFuture};
12use gpui::{AppContext, Context, Entity, EventEmitter, SharedString, Task};
13use itertools::Itertools;
14use language::{
15 Anchor, Buffer, BufferSnapshot, Capability, LanguageRegistry, OffsetRangeExt as _, Point,
16 text_diff,
17};
18use markdown::Markdown;
19use project::{AgentLocation, Project};
20use std::collections::HashMap;
21use std::error::Error;
22use std::fmt::Formatter;
23use std::rc::Rc;
24use std::{
25 fmt::Display,
26 mem,
27 path::{Path, PathBuf},
28 sync::Arc,
29};
30use ui::App;
31use util::ResultExt;
32
33#[derive(Debug)]
34pub struct UserMessage {
35 pub content: ContentBlock,
36}
37
38impl UserMessage {
39 pub fn from_acp(
40 message: impl IntoIterator<Item = acp::ContentBlock>,
41 language_registry: Arc<LanguageRegistry>,
42 cx: &mut App,
43 ) -> Self {
44 let mut content = ContentBlock::Empty;
45 for chunk in message {
46 content.append(chunk, &language_registry, cx)
47 }
48 Self { content: content }
49 }
50
51 fn to_markdown(&self, cx: &App) -> String {
52 format!("## User\n\n{}\n\n", self.content.to_markdown(cx))
53 }
54}
55
56#[derive(Debug)]
57pub struct MentionPath<'a>(&'a Path);
58
59impl<'a> MentionPath<'a> {
60 const PREFIX: &'static str = "@file:";
61
62 pub fn new(path: &'a Path) -> Self {
63 MentionPath(path)
64 }
65
66 pub fn try_parse(url: &'a str) -> Option<Self> {
67 let path = url.strip_prefix(Self::PREFIX)?;
68 Some(MentionPath(Path::new(path)))
69 }
70
71 pub fn path(&self) -> &Path {
72 self.0
73 }
74}
75
76impl Display for MentionPath<'_> {
77 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
78 write!(
79 f,
80 "[@{}]({}{})",
81 self.0.file_name().unwrap_or_default().display(),
82 Self::PREFIX,
83 self.0.display()
84 )
85 }
86}
87
88#[derive(Debug, PartialEq)]
89pub struct AssistantMessage {
90 pub chunks: Vec<AssistantMessageChunk>,
91}
92
93impl AssistantMessage {
94 pub fn to_markdown(&self, cx: &App) -> String {
95 format!(
96 "## Assistant\n\n{}\n\n",
97 self.chunks
98 .iter()
99 .map(|chunk| chunk.to_markdown(cx))
100 .join("\n\n")
101 )
102 }
103}
104
105#[derive(Debug, PartialEq)]
106pub enum AssistantMessageChunk {
107 Message { block: ContentBlock },
108 Thought { block: ContentBlock },
109}
110
111impl AssistantMessageChunk {
112 pub fn from_str(chunk: &str, language_registry: &Arc<LanguageRegistry>, cx: &mut App) -> Self {
113 Self::Message {
114 block: ContentBlock::new(chunk.into(), language_registry, cx),
115 }
116 }
117
118 fn to_markdown(&self, cx: &App) -> String {
119 match self {
120 Self::Message { block } => block.to_markdown(cx).to_string(),
121 Self::Thought { block } => {
122 format!("<thinking>\n{}\n</thinking>", block.to_markdown(cx))
123 }
124 }
125 }
126}
127
128#[derive(Debug)]
129pub enum AgentThreadEntry {
130 UserMessage(UserMessage),
131 AssistantMessage(AssistantMessage),
132 ToolCall(ToolCall),
133}
134
135impl AgentThreadEntry {
136 fn to_markdown(&self, cx: &App) -> String {
137 match self {
138 Self::UserMessage(message) => message.to_markdown(cx),
139 Self::AssistantMessage(message) => message.to_markdown(cx),
140 Self::ToolCall(tool_call) => tool_call.to_markdown(cx),
141 }
142 }
143
144 pub fn diffs(&self) -> impl Iterator<Item = &Diff> {
145 if let AgentThreadEntry::ToolCall(call) = self {
146 itertools::Either::Left(call.diffs())
147 } else {
148 itertools::Either::Right(std::iter::empty())
149 }
150 }
151
152 pub fn locations(&self) -> Option<&[acp::ToolCallLocation]> {
153 if let AgentThreadEntry::ToolCall(ToolCall { locations, .. }) = self {
154 Some(locations)
155 } else {
156 None
157 }
158 }
159}
160
161#[derive(Debug)]
162pub struct ToolCall {
163 pub id: acp::ToolCallId,
164 pub label: Entity<Markdown>,
165 pub kind: acp::ToolKind,
166 pub content: Vec<ToolCallContent>,
167 pub status: ToolCallStatus,
168 pub locations: Vec<acp::ToolCallLocation>,
169 pub raw_input: Option<serde_json::Value>,
170}
171
172impl ToolCall {
173 fn from_acp(
174 tool_call: acp::ToolCall,
175 status: ToolCallStatus,
176 language_registry: Arc<LanguageRegistry>,
177 cx: &mut App,
178 ) -> Self {
179 Self {
180 id: tool_call.id,
181 label: cx.new(|cx| {
182 Markdown::new(
183 tool_call.label.into(),
184 Some(language_registry.clone()),
185 None,
186 cx,
187 )
188 }),
189 kind: tool_call.kind,
190 content: tool_call
191 .content
192 .into_iter()
193 .map(|content| ToolCallContent::from_acp(content, language_registry.clone(), cx))
194 .collect(),
195 locations: tool_call.locations,
196 status,
197 raw_input: tool_call.raw_input,
198 }
199 }
200
201 fn update(
202 &mut self,
203 fields: acp::ToolCallUpdateFields,
204 language_registry: Arc<LanguageRegistry>,
205 cx: &mut App,
206 ) {
207 let acp::ToolCallUpdateFields {
208 kind,
209 status,
210 label,
211 content,
212 locations,
213 raw_input,
214 } = fields;
215
216 if let Some(kind) = kind {
217 self.kind = kind;
218 }
219
220 if let Some(status) = status {
221 self.status = ToolCallStatus::Allowed { status };
222 }
223
224 if let Some(label) = label {
225 self.label = cx.new(|cx| Markdown::new_text(label.into(), cx));
226 }
227
228 if let Some(content) = content {
229 self.content = content
230 .into_iter()
231 .map(|chunk| ToolCallContent::from_acp(chunk, language_registry.clone(), cx))
232 .collect();
233 }
234
235 if let Some(locations) = locations {
236 self.locations = locations;
237 }
238
239 if let Some(raw_input) = raw_input {
240 self.raw_input = Some(raw_input);
241 }
242 }
243
244 pub fn diffs(&self) -> impl Iterator<Item = &Diff> {
245 self.content.iter().filter_map(|content| match content {
246 ToolCallContent::ContentBlock { .. } => None,
247 ToolCallContent::Diff { diff } => Some(diff),
248 })
249 }
250
251 fn to_markdown(&self, cx: &App) -> String {
252 let mut markdown = format!(
253 "**Tool Call: {}**\nStatus: {}\n\n",
254 self.label.read(cx).source(),
255 self.status
256 );
257 for content in &self.content {
258 markdown.push_str(content.to_markdown(cx).as_str());
259 markdown.push_str("\n\n");
260 }
261 markdown
262 }
263}
264
265#[derive(Debug)]
266pub enum ToolCallStatus {
267 WaitingForConfirmation {
268 options: Vec<acp::PermissionOption>,
269 respond_tx: oneshot::Sender<acp::PermissionOptionId>,
270 },
271 Allowed {
272 status: acp::ToolCallStatus,
273 },
274 Rejected,
275 Canceled,
276}
277
278impl Display for ToolCallStatus {
279 fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
280 write!(
281 f,
282 "{}",
283 match self {
284 ToolCallStatus::WaitingForConfirmation { .. } => "Waiting for confirmation",
285 ToolCallStatus::Allowed { status } => match status {
286 acp::ToolCallStatus::Pending => "Pending",
287 acp::ToolCallStatus::InProgress => "In Progress",
288 acp::ToolCallStatus::Completed => "Completed",
289 acp::ToolCallStatus::Failed => "Failed",
290 },
291 ToolCallStatus::Rejected => "Rejected",
292 ToolCallStatus::Canceled => "Canceled",
293 }
294 )
295 }
296}
297
298#[derive(Debug, PartialEq, Clone)]
299pub enum ContentBlock {
300 Empty,
301 Markdown { markdown: Entity<Markdown> },
302}
303
304impl ContentBlock {
305 pub fn new(
306 block: acp::ContentBlock,
307 language_registry: &Arc<LanguageRegistry>,
308 cx: &mut App,
309 ) -> Self {
310 let mut this = Self::Empty;
311 this.append(block, language_registry, cx);
312 this
313 }
314
315 pub fn new_combined(
316 blocks: impl IntoIterator<Item = acp::ContentBlock>,
317 language_registry: Arc<LanguageRegistry>,
318 cx: &mut App,
319 ) -> Self {
320 let mut this = Self::Empty;
321 for block in blocks {
322 this.append(block, &language_registry, cx);
323 }
324 this
325 }
326
327 pub fn append(
328 &mut self,
329 block: acp::ContentBlock,
330 language_registry: &Arc<LanguageRegistry>,
331 cx: &mut App,
332 ) {
333 let new_content = match block {
334 acp::ContentBlock::Text(text_content) => text_content.text.clone(),
335 acp::ContentBlock::ResourceLink(resource_link) => {
336 if let Some(path) = resource_link.uri.strip_prefix("file://") {
337 format!("{}", MentionPath(path.as_ref()))
338 } else {
339 resource_link.uri.clone()
340 }
341 }
342 acp::ContentBlock::Image(_)
343 | acp::ContentBlock::Audio(_)
344 | acp::ContentBlock::Resource(_) => String::new(),
345 };
346
347 match self {
348 ContentBlock::Empty => {
349 *self = ContentBlock::Markdown {
350 markdown: cx.new(|cx| {
351 Markdown::new(
352 new_content.into(),
353 Some(language_registry.clone()),
354 None,
355 cx,
356 )
357 }),
358 };
359 }
360 ContentBlock::Markdown { markdown } => {
361 markdown.update(cx, |markdown, cx| markdown.append(&new_content, cx));
362 }
363 }
364 }
365
366 fn to_markdown<'a>(&'a self, cx: &'a App) -> &'a str {
367 match self {
368 ContentBlock::Empty => "",
369 ContentBlock::Markdown { markdown } => markdown.read(cx).source(),
370 }
371 }
372
373 pub fn markdown(&self) -> Option<&Entity<Markdown>> {
374 match self {
375 ContentBlock::Empty => None,
376 ContentBlock::Markdown { markdown } => Some(markdown),
377 }
378 }
379}
380
381#[derive(Debug)]
382pub enum ToolCallContent {
383 ContentBlock { content: ContentBlock },
384 Diff { diff: Diff },
385}
386
387impl ToolCallContent {
388 pub fn from_acp(
389 content: acp::ToolCallContent,
390 language_registry: Arc<LanguageRegistry>,
391 cx: &mut App,
392 ) -> Self {
393 match content {
394 acp::ToolCallContent::Content { content } => Self::ContentBlock {
395 content: ContentBlock::new(content, &language_registry, cx),
396 },
397 acp::ToolCallContent::Diff { diff } => Self::Diff {
398 diff: Diff::from_acp(diff, language_registry, cx),
399 },
400 }
401 }
402
403 pub fn to_markdown(&self, cx: &App) -> String {
404 match self {
405 Self::ContentBlock { content } => content.to_markdown(cx).to_string(),
406 Self::Diff { diff } => diff.to_markdown(cx),
407 }
408 }
409}
410
411#[derive(Debug)]
412pub struct Diff {
413 pub multibuffer: Entity<MultiBuffer>,
414 pub path: PathBuf,
415 pub new_buffer: Entity<Buffer>,
416 pub old_buffer: Entity<Buffer>,
417 _task: Task<Result<()>>,
418}
419
420impl Diff {
421 pub fn from_acp(
422 diff: acp::Diff,
423 language_registry: Arc<LanguageRegistry>,
424 cx: &mut App,
425 ) -> Self {
426 let acp::Diff {
427 path,
428 old_text,
429 new_text,
430 } = diff;
431
432 let multibuffer = cx.new(|_cx| MultiBuffer::without_headers(Capability::ReadOnly));
433
434 let new_buffer = cx.new(|cx| Buffer::local(new_text, cx));
435 let old_buffer = cx.new(|cx| Buffer::local(old_text.unwrap_or("".into()), cx));
436 let new_buffer_snapshot = new_buffer.read(cx).text_snapshot();
437 let old_buffer_snapshot = old_buffer.read(cx).snapshot();
438 let buffer_diff = cx.new(|cx| BufferDiff::new(&new_buffer_snapshot, cx));
439 let diff_task = buffer_diff.update(cx, |diff, cx| {
440 diff.set_base_text(
441 old_buffer_snapshot,
442 Some(language_registry.clone()),
443 new_buffer_snapshot,
444 cx,
445 )
446 });
447
448 let task = cx.spawn({
449 let multibuffer = multibuffer.clone();
450 let path = path.clone();
451 let new_buffer = new_buffer.clone();
452 async move |cx| {
453 diff_task.await?;
454
455 multibuffer
456 .update(cx, |multibuffer, cx| {
457 let hunk_ranges = {
458 let buffer = new_buffer.read(cx);
459 let diff = buffer_diff.read(cx);
460 diff.hunks_intersecting_range(Anchor::MIN..Anchor::MAX, &buffer, cx)
461 .map(|diff_hunk| diff_hunk.buffer_range.to_point(&buffer))
462 .collect::<Vec<_>>()
463 };
464
465 multibuffer.set_excerpts_for_path(
466 PathKey::for_buffer(&new_buffer, cx),
467 new_buffer.clone(),
468 hunk_ranges,
469 editor::DEFAULT_MULTIBUFFER_CONTEXT,
470 cx,
471 );
472 multibuffer.add_diff(buffer_diff.clone(), cx);
473 })
474 .log_err();
475
476 if let Some(language) = language_registry
477 .language_for_file_path(&path)
478 .await
479 .log_err()
480 {
481 new_buffer.update(cx, |buffer, cx| buffer.set_language(Some(language), cx))?;
482 }
483
484 anyhow::Ok(())
485 }
486 });
487
488 Self {
489 multibuffer,
490 path,
491 new_buffer,
492 old_buffer,
493 _task: task,
494 }
495 }
496
497 fn to_markdown(&self, cx: &App) -> String {
498 let buffer_text = self
499 .multibuffer
500 .read(cx)
501 .all_buffers()
502 .iter()
503 .map(|buffer| buffer.read(cx).text())
504 .join("\n");
505 format!("Diff: {}\n```\n{}\n```\n", self.path.display(), buffer_text)
506 }
507}
508
509#[derive(Debug, Default)]
510pub struct Plan {
511 pub entries: Vec<PlanEntry>,
512}
513
514#[derive(Debug)]
515pub struct PlanStats<'a> {
516 pub in_progress_entry: Option<&'a PlanEntry>,
517 pub pending: u32,
518 pub completed: u32,
519}
520
521impl Plan {
522 pub fn is_empty(&self) -> bool {
523 self.entries.is_empty()
524 }
525
526 pub fn stats(&self) -> PlanStats<'_> {
527 let mut stats = PlanStats {
528 in_progress_entry: None,
529 pending: 0,
530 completed: 0,
531 };
532
533 for entry in &self.entries {
534 match &entry.status {
535 acp::PlanEntryStatus::Pending => {
536 stats.pending += 1;
537 }
538 acp::PlanEntryStatus::InProgress => {
539 stats.in_progress_entry = stats.in_progress_entry.or(Some(entry));
540 }
541 acp::PlanEntryStatus::Completed => {
542 stats.completed += 1;
543 }
544 }
545 }
546
547 stats
548 }
549}
550
551#[derive(Debug)]
552pub struct PlanEntry {
553 pub content: Entity<Markdown>,
554 pub priority: acp::PlanEntryPriority,
555 pub status: acp::PlanEntryStatus,
556}
557
558impl PlanEntry {
559 pub fn from_acp(entry: acp::PlanEntry, cx: &mut App) -> Self {
560 Self {
561 content: cx.new(|cx| Markdown::new_text(entry.content.into(), cx)),
562 priority: entry.priority,
563 status: entry.status,
564 }
565 }
566}
567
568pub struct AcpThread {
569 title: SharedString,
570 entries: Vec<AgentThreadEntry>,
571 plan: Plan,
572 project: Entity<Project>,
573 action_log: Entity<ActionLog>,
574 shared_buffers: HashMap<Entity<Buffer>, BufferSnapshot>,
575 send_task: Option<Task<()>>,
576 connection: Rc<dyn AgentConnection>,
577 session_id: acp::SessionId,
578}
579
580pub enum AcpThreadEvent {
581 NewEntry,
582 EntryUpdated(usize),
583}
584
585impl EventEmitter<AcpThreadEvent> for AcpThread {}
586
587#[derive(PartialEq, Eq)]
588pub enum ThreadStatus {
589 Idle,
590 WaitingForToolConfirmation,
591 Generating,
592}
593
594#[derive(Debug, Clone)]
595pub enum LoadError {
596 Unsupported {
597 error_message: SharedString,
598 upgrade_message: SharedString,
599 upgrade_command: String,
600 },
601 Exited(i32),
602 Other(SharedString),
603}
604
605impl Display for LoadError {
606 fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
607 match self {
608 LoadError::Unsupported { error_message, .. } => write!(f, "{}", error_message),
609 LoadError::Exited(status) => write!(f, "Server exited with status {}", status),
610 LoadError::Other(msg) => write!(f, "{}", msg),
611 }
612 }
613}
614
615impl Error for LoadError {}
616
617impl AcpThread {
618 pub fn new(
619 title: impl Into<SharedString>,
620 connection: Rc<dyn AgentConnection>,
621 project: Entity<Project>,
622 session_id: acp::SessionId,
623 cx: &mut Context<Self>,
624 ) -> Self {
625 let action_log = cx.new(|_| ActionLog::new(project.clone()));
626
627 Self {
628 action_log,
629 shared_buffers: Default::default(),
630 entries: Default::default(),
631 plan: Default::default(),
632 title: title.into(),
633 project,
634 send_task: None,
635 connection,
636 session_id,
637 }
638 }
639
640 pub fn action_log(&self) -> &Entity<ActionLog> {
641 &self.action_log
642 }
643
644 pub fn project(&self) -> &Entity<Project> {
645 &self.project
646 }
647
648 pub fn title(&self) -> SharedString {
649 self.title.clone()
650 }
651
652 pub fn entries(&self) -> &[AgentThreadEntry] {
653 &self.entries
654 }
655
656 pub fn status(&self) -> ThreadStatus {
657 if self.send_task.is_some() {
658 if self.waiting_for_tool_confirmation() {
659 ThreadStatus::WaitingForToolConfirmation
660 } else {
661 ThreadStatus::Generating
662 }
663 } else {
664 ThreadStatus::Idle
665 }
666 }
667
668 pub fn has_pending_edit_tool_calls(&self) -> bool {
669 for entry in self.entries.iter().rev() {
670 match entry {
671 AgentThreadEntry::UserMessage(_) => return false,
672 AgentThreadEntry::ToolCall(call) if call.diffs().next().is_some() => return true,
673 AgentThreadEntry::ToolCall(_) | AgentThreadEntry::AssistantMessage(_) => {}
674 }
675 }
676
677 false
678 }
679
680 pub fn handle_session_update(
681 &mut self,
682 update: acp::SessionUpdate,
683 cx: &mut Context<Self>,
684 ) -> Result<()> {
685 match update {
686 acp::SessionUpdate::UserMessageChunk { content } => {
687 self.push_user_content_block(content, cx);
688 }
689 acp::SessionUpdate::AgentMessageChunk { content } => {
690 self.push_assistant_content_block(content, false, cx);
691 }
692 acp::SessionUpdate::AgentThoughtChunk { content } => {
693 self.push_assistant_content_block(content, true, cx);
694 }
695 acp::SessionUpdate::ToolCall(tool_call) => {
696 self.upsert_tool_call(tool_call, cx);
697 }
698 acp::SessionUpdate::ToolCallUpdate(tool_call_update) => {
699 self.update_tool_call(tool_call_update, cx)?;
700 }
701 acp::SessionUpdate::Plan(plan) => {
702 self.update_plan(plan, cx);
703 }
704 }
705 Ok(())
706 }
707
708 pub fn push_user_content_block(&mut self, chunk: acp::ContentBlock, cx: &mut Context<Self>) {
709 let language_registry = self.project.read(cx).languages().clone();
710 let entries_len = self.entries.len();
711
712 if let Some(last_entry) = self.entries.last_mut()
713 && let AgentThreadEntry::UserMessage(UserMessage { content }) = last_entry
714 {
715 content.append(chunk, &language_registry, cx);
716 cx.emit(AcpThreadEvent::EntryUpdated(entries_len - 1));
717 } else {
718 let content = ContentBlock::new(chunk, &language_registry, cx);
719 self.push_entry(AgentThreadEntry::UserMessage(UserMessage { content }), cx);
720 }
721 }
722
723 pub fn push_assistant_content_block(
724 &mut self,
725 chunk: acp::ContentBlock,
726 is_thought: bool,
727 cx: &mut Context<Self>,
728 ) {
729 let language_registry = self.project.read(cx).languages().clone();
730 let entries_len = self.entries.len();
731 if let Some(last_entry) = self.entries.last_mut()
732 && let AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) = last_entry
733 {
734 cx.emit(AcpThreadEvent::EntryUpdated(entries_len - 1));
735 match (chunks.last_mut(), is_thought) {
736 (Some(AssistantMessageChunk::Message { block }), false)
737 | (Some(AssistantMessageChunk::Thought { block }), true) => {
738 block.append(chunk, &language_registry, cx)
739 }
740 _ => {
741 let block = ContentBlock::new(chunk, &language_registry, cx);
742 if is_thought {
743 chunks.push(AssistantMessageChunk::Thought { block })
744 } else {
745 chunks.push(AssistantMessageChunk::Message { block })
746 }
747 }
748 }
749 } else {
750 let block = ContentBlock::new(chunk, &language_registry, cx);
751 let chunk = if is_thought {
752 AssistantMessageChunk::Thought { block }
753 } else {
754 AssistantMessageChunk::Message { block }
755 };
756
757 self.push_entry(
758 AgentThreadEntry::AssistantMessage(AssistantMessage {
759 chunks: vec![chunk],
760 }),
761 cx,
762 );
763 }
764 }
765
766 fn push_entry(&mut self, entry: AgentThreadEntry, cx: &mut Context<Self>) {
767 self.entries.push(entry);
768 cx.emit(AcpThreadEvent::NewEntry);
769 }
770
771 pub fn update_tool_call(
772 &mut self,
773 update: acp::ToolCallUpdate,
774 cx: &mut Context<Self>,
775 ) -> Result<()> {
776 let languages = self.project.read(cx).languages().clone();
777
778 let (ix, current_call) = self
779 .tool_call_mut(&update.id)
780 .context("Tool call not found")?;
781 current_call.update(update.fields, languages, cx);
782
783 cx.emit(AcpThreadEvent::EntryUpdated(ix));
784
785 Ok(())
786 }
787
788 /// Updates a tool call if id matches an existing entry, otherwise inserts a new one.
789 pub fn upsert_tool_call(&mut self, tool_call: acp::ToolCall, cx: &mut Context<Self>) {
790 let status = ToolCallStatus::Allowed {
791 status: tool_call.status,
792 };
793 self.upsert_tool_call_inner(tool_call, status, cx)
794 }
795
796 pub fn upsert_tool_call_inner(
797 &mut self,
798 tool_call: acp::ToolCall,
799 status: ToolCallStatus,
800 cx: &mut Context<Self>,
801 ) {
802 let language_registry = self.project.read(cx).languages().clone();
803 let call = ToolCall::from_acp(tool_call, status, language_registry, cx);
804
805 let location = call.locations.last().cloned();
806
807 if let Some((ix, current_call)) = self.tool_call_mut(&call.id) {
808 *current_call = call;
809
810 cx.emit(AcpThreadEvent::EntryUpdated(ix));
811 } else {
812 self.push_entry(AgentThreadEntry::ToolCall(call), cx);
813 }
814
815 if let Some(location) = location {
816 self.set_project_location(location, cx)
817 }
818 }
819
820 fn tool_call_mut(&mut self, id: &acp::ToolCallId) -> Option<(usize, &mut ToolCall)> {
821 // The tool call we are looking for is typically the last one, or very close to the end.
822 // At the moment, it doesn't seem like a hashmap would be a good fit for this use case.
823 self.entries
824 .iter_mut()
825 .enumerate()
826 .rev()
827 .find_map(|(index, tool_call)| {
828 if let AgentThreadEntry::ToolCall(tool_call) = tool_call
829 && &tool_call.id == id
830 {
831 Some((index, tool_call))
832 } else {
833 None
834 }
835 })
836 }
837
838 pub fn set_project_location(&self, location: acp::ToolCallLocation, cx: &mut Context<Self>) {
839 self.project.update(cx, |project, cx| {
840 let Some(path) = project.project_path_for_absolute_path(&location.path, cx) else {
841 return;
842 };
843 let buffer = project.open_buffer(path, cx);
844 cx.spawn(async move |project, cx| {
845 let buffer = buffer.await?;
846
847 project.update(cx, |project, cx| {
848 let position = if let Some(line) = location.line {
849 let snapshot = buffer.read(cx).snapshot();
850 let point = snapshot.clip_point(Point::new(line, 0), Bias::Left);
851 snapshot.anchor_before(point)
852 } else {
853 Anchor::MIN
854 };
855
856 project.set_agent_location(
857 Some(AgentLocation {
858 buffer: buffer.downgrade(),
859 position,
860 }),
861 cx,
862 );
863 })
864 })
865 .detach_and_log_err(cx);
866 });
867 }
868
869 pub fn request_tool_call_permission(
870 &mut self,
871 tool_call: acp::ToolCall,
872 options: Vec<acp::PermissionOption>,
873 cx: &mut Context<Self>,
874 ) -> oneshot::Receiver<acp::PermissionOptionId> {
875 let (tx, rx) = oneshot::channel();
876
877 let status = ToolCallStatus::WaitingForConfirmation {
878 options,
879 respond_tx: tx,
880 };
881
882 self.upsert_tool_call_inner(tool_call, status, cx);
883 rx
884 }
885
886 pub fn authorize_tool_call(
887 &mut self,
888 id: acp::ToolCallId,
889 option_id: acp::PermissionOptionId,
890 option_kind: acp::PermissionOptionKind,
891 cx: &mut Context<Self>,
892 ) {
893 let Some((ix, call)) = self.tool_call_mut(&id) else {
894 return;
895 };
896
897 let new_status = match option_kind {
898 acp::PermissionOptionKind::RejectOnce | acp::PermissionOptionKind::RejectAlways => {
899 ToolCallStatus::Rejected
900 }
901 acp::PermissionOptionKind::AllowOnce | acp::PermissionOptionKind::AllowAlways => {
902 ToolCallStatus::Allowed {
903 status: acp::ToolCallStatus::InProgress,
904 }
905 }
906 };
907
908 let curr_status = mem::replace(&mut call.status, new_status);
909
910 if let ToolCallStatus::WaitingForConfirmation { respond_tx, .. } = curr_status {
911 respond_tx.send(option_id).log_err();
912 } else if cfg!(debug_assertions) {
913 panic!("tried to authorize an already authorized tool call");
914 }
915
916 cx.emit(AcpThreadEvent::EntryUpdated(ix));
917 }
918
919 /// Returns true if the last turn is awaiting tool authorization
920 pub fn waiting_for_tool_confirmation(&self) -> bool {
921 for entry in self.entries.iter().rev() {
922 match &entry {
923 AgentThreadEntry::ToolCall(call) => match call.status {
924 ToolCallStatus::WaitingForConfirmation { .. } => return true,
925 ToolCallStatus::Allowed { .. }
926 | ToolCallStatus::Rejected
927 | ToolCallStatus::Canceled => continue,
928 },
929 AgentThreadEntry::UserMessage(_) | AgentThreadEntry::AssistantMessage(_) => {
930 // Reached the beginning of the turn
931 return false;
932 }
933 }
934 }
935 false
936 }
937
938 pub fn plan(&self) -> &Plan {
939 &self.plan
940 }
941
942 pub fn update_plan(&mut self, request: acp::Plan, cx: &mut Context<Self>) {
943 self.plan = Plan {
944 entries: request
945 .entries
946 .into_iter()
947 .map(|entry| PlanEntry::from_acp(entry, cx))
948 .collect(),
949 };
950
951 cx.notify();
952 }
953
954 fn clear_completed_plan_entries(&mut self, cx: &mut Context<Self>) {
955 self.plan
956 .entries
957 .retain(|entry| !matches!(entry.status, acp::PlanEntryStatus::Completed));
958 cx.notify();
959 }
960
961 pub fn authenticate(&self, cx: &mut App) -> impl use<> + Future<Output = Result<()>> {
962 self.connection.authenticate(cx)
963 }
964
965 #[cfg(any(test, feature = "test-support"))]
966 pub fn send_raw(
967 &mut self,
968 message: &str,
969 cx: &mut Context<Self>,
970 ) -> BoxFuture<'static, Result<()>> {
971 self.send(
972 vec![acp::ContentBlock::Text(acp::TextContent {
973 text: message.to_string(),
974 annotations: None,
975 })],
976 cx,
977 )
978 }
979
980 pub fn send(
981 &mut self,
982 message: Vec<acp::ContentBlock>,
983 cx: &mut Context<Self>,
984 ) -> BoxFuture<'static, Result<()>> {
985 let block = ContentBlock::new_combined(
986 message.clone(),
987 self.project.read(cx).languages().clone(),
988 cx,
989 );
990 self.push_entry(
991 AgentThreadEntry::UserMessage(UserMessage { content: block }),
992 cx,
993 );
994 self.clear_completed_plan_entries(cx);
995
996 let (tx, rx) = oneshot::channel();
997 let cancel_task = self.cancel(cx);
998
999 self.send_task = Some(cx.spawn(async move |this, cx| {
1000 async {
1001 cancel_task.await;
1002
1003 let result = this
1004 .update(cx, |this, cx| {
1005 this.connection.prompt(
1006 acp::PromptArguments {
1007 prompt: message,
1008 session_id: this.session_id.clone(),
1009 },
1010 cx,
1011 )
1012 })?
1013 .await;
1014 tx.send(result).log_err();
1015 this.update(cx, |this, _cx| this.send_task.take())?;
1016 anyhow::Ok(())
1017 }
1018 .await
1019 .log_err();
1020 }));
1021
1022 async move {
1023 match rx.await {
1024 Ok(Err(e)) => Err(e)?,
1025 _ => Ok(()),
1026 }
1027 }
1028 .boxed()
1029 }
1030
1031 pub fn cancel(&mut self, cx: &mut Context<Self>) -> Task<()> {
1032 let Some(send_task) = self.send_task.take() else {
1033 return Task::ready(());
1034 };
1035
1036 for entry in self.entries.iter_mut() {
1037 if let AgentThreadEntry::ToolCall(call) = entry {
1038 let cancel = matches!(
1039 call.status,
1040 ToolCallStatus::WaitingForConfirmation { .. }
1041 | ToolCallStatus::Allowed {
1042 status: acp::ToolCallStatus::InProgress
1043 }
1044 );
1045
1046 if cancel {
1047 call.status = ToolCallStatus::Canceled;
1048 }
1049 }
1050 }
1051
1052 self.connection.cancel(&self.session_id, cx);
1053
1054 // Wait for the send task to complete
1055 cx.foreground_executor().spawn(send_task)
1056 }
1057
1058 pub fn read_text_file(
1059 &self,
1060 path: PathBuf,
1061 line: Option<u32>,
1062 limit: Option<u32>,
1063 reuse_shared_snapshot: bool,
1064 cx: &mut Context<Self>,
1065 ) -> Task<Result<String>> {
1066 let project = self.project.clone();
1067 let action_log = self.action_log.clone();
1068 cx.spawn(async move |this, cx| {
1069 let load = project.update(cx, |project, cx| {
1070 let path = project
1071 .project_path_for_absolute_path(&path, cx)
1072 .context("invalid path")?;
1073 anyhow::Ok(project.open_buffer(path, cx))
1074 });
1075 let buffer = load??.await?;
1076
1077 let snapshot = if reuse_shared_snapshot {
1078 this.read_with(cx, |this, _| {
1079 this.shared_buffers.get(&buffer.clone()).cloned()
1080 })
1081 .log_err()
1082 .flatten()
1083 } else {
1084 None
1085 };
1086
1087 let snapshot = if let Some(snapshot) = snapshot {
1088 snapshot
1089 } else {
1090 action_log.update(cx, |action_log, cx| {
1091 action_log.buffer_read(buffer.clone(), cx);
1092 })?;
1093 project.update(cx, |project, cx| {
1094 let position = buffer
1095 .read(cx)
1096 .snapshot()
1097 .anchor_before(Point::new(line.unwrap_or_default(), 0));
1098 project.set_agent_location(
1099 Some(AgentLocation {
1100 buffer: buffer.downgrade(),
1101 position,
1102 }),
1103 cx,
1104 );
1105 })?;
1106
1107 buffer.update(cx, |buffer, _| buffer.snapshot())?
1108 };
1109
1110 this.update(cx, |this, _| {
1111 let text = snapshot.text();
1112 this.shared_buffers.insert(buffer.clone(), snapshot);
1113 if line.is_none() && limit.is_none() {
1114 return Ok(text);
1115 }
1116 let limit = limit.unwrap_or(u32::MAX) as usize;
1117 let Some(line) = line else {
1118 return Ok(text.lines().take(limit).collect::<String>());
1119 };
1120
1121 let count = text.lines().count();
1122 if count < line as usize {
1123 anyhow::bail!("There are only {} lines", count);
1124 }
1125 Ok(text
1126 .lines()
1127 .skip(line as usize + 1)
1128 .take(limit)
1129 .collect::<String>())
1130 })?
1131 })
1132 }
1133
1134 pub fn write_text_file(
1135 &self,
1136 path: PathBuf,
1137 content: String,
1138 cx: &mut Context<Self>,
1139 ) -> Task<Result<()>> {
1140 let project = self.project.clone();
1141 let action_log = self.action_log.clone();
1142 cx.spawn(async move |this, cx| {
1143 let load = project.update(cx, |project, cx| {
1144 let path = project
1145 .project_path_for_absolute_path(&path, cx)
1146 .context("invalid path")?;
1147 anyhow::Ok(project.open_buffer(path, cx))
1148 });
1149 let buffer = load??.await?;
1150 let snapshot = this.update(cx, |this, cx| {
1151 this.shared_buffers
1152 .get(&buffer)
1153 .cloned()
1154 .unwrap_or_else(|| buffer.read(cx).snapshot())
1155 })?;
1156 let edits = cx
1157 .background_executor()
1158 .spawn(async move {
1159 let old_text = snapshot.text();
1160 text_diff(old_text.as_str(), &content)
1161 .into_iter()
1162 .map(|(range, replacement)| {
1163 (
1164 snapshot.anchor_after(range.start)
1165 ..snapshot.anchor_before(range.end),
1166 replacement,
1167 )
1168 })
1169 .collect::<Vec<_>>()
1170 })
1171 .await;
1172 cx.update(|cx| {
1173 project.update(cx, |project, cx| {
1174 project.set_agent_location(
1175 Some(AgentLocation {
1176 buffer: buffer.downgrade(),
1177 position: edits
1178 .last()
1179 .map(|(range, _)| range.end)
1180 .unwrap_or(Anchor::MIN),
1181 }),
1182 cx,
1183 );
1184 });
1185
1186 action_log.update(cx, |action_log, cx| {
1187 action_log.buffer_read(buffer.clone(), cx);
1188 });
1189 buffer.update(cx, |buffer, cx| {
1190 buffer.edit(edits, None, cx);
1191 });
1192 action_log.update(cx, |action_log, cx| {
1193 action_log.buffer_edited(buffer.clone(), cx);
1194 });
1195 })?;
1196 project
1197 .update(cx, |project, cx| project.save_buffer(buffer, cx))?
1198 .await
1199 })
1200 }
1201
1202 pub fn to_markdown(&self, cx: &App) -> String {
1203 self.entries.iter().map(|e| e.to_markdown(cx)).collect()
1204 }
1205}
1206
1207#[cfg(test)]
1208mod tests {
1209 use super::*;
1210 use agentic_coding_protocol as acp_old;
1211 use anyhow::anyhow;
1212 use async_pipe::{PipeReader, PipeWriter};
1213 use futures::{channel::mpsc, future::LocalBoxFuture, select};
1214 use gpui::{AsyncApp, TestAppContext};
1215 use indoc::indoc;
1216 use project::FakeFs;
1217 use serde_json::json;
1218 use settings::SettingsStore;
1219 use smol::{future::BoxedLocal, stream::StreamExt as _};
1220 use std::{cell::RefCell, rc::Rc, time::Duration};
1221
1222 use util::path;
1223
1224 fn init_test(cx: &mut TestAppContext) {
1225 env_logger::try_init().ok();
1226 cx.update(|cx| {
1227 let settings_store = SettingsStore::test(cx);
1228 cx.set_global(settings_store);
1229 Project::init_settings(cx);
1230 language::init(cx);
1231 });
1232 }
1233
1234 #[gpui::test]
1235 async fn test_push_user_content_block(cx: &mut gpui::TestAppContext) {
1236 init_test(cx);
1237
1238 let fs = FakeFs::new(cx.executor());
1239 let project = Project::test(fs, [], cx).await;
1240 let (thread, _fake_server) = fake_acp_thread(project, cx);
1241
1242 // Test creating a new user message
1243 thread.update(cx, |thread, cx| {
1244 thread.push_user_content_block(
1245 acp::ContentBlock::Text(acp::TextContent {
1246 annotations: None,
1247 text: "Hello, ".to_string(),
1248 }),
1249 cx,
1250 );
1251 });
1252
1253 thread.update(cx, |thread, cx| {
1254 assert_eq!(thread.entries.len(), 1);
1255 if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[0] {
1256 assert_eq!(user_msg.content.to_markdown(cx), "Hello, ");
1257 } else {
1258 panic!("Expected UserMessage");
1259 }
1260 });
1261
1262 // Test appending to existing user message
1263 thread.update(cx, |thread, cx| {
1264 thread.push_user_content_block(
1265 acp::ContentBlock::Text(acp::TextContent {
1266 annotations: None,
1267 text: "world!".to_string(),
1268 }),
1269 cx,
1270 );
1271 });
1272
1273 thread.update(cx, |thread, cx| {
1274 assert_eq!(thread.entries.len(), 1);
1275 if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[0] {
1276 assert_eq!(user_msg.content.to_markdown(cx), "Hello, world!");
1277 } else {
1278 panic!("Expected UserMessage");
1279 }
1280 });
1281
1282 // Test creating new user message after assistant message
1283 thread.update(cx, |thread, cx| {
1284 thread.push_assistant_content_block(
1285 acp::ContentBlock::Text(acp::TextContent {
1286 annotations: None,
1287 text: "Assistant response".to_string(),
1288 }),
1289 false,
1290 cx,
1291 );
1292 });
1293
1294 thread.update(cx, |thread, cx| {
1295 thread.push_user_content_block(
1296 acp::ContentBlock::Text(acp::TextContent {
1297 annotations: None,
1298 text: "New user message".to_string(),
1299 }),
1300 cx,
1301 );
1302 });
1303
1304 thread.update(cx, |thread, cx| {
1305 assert_eq!(thread.entries.len(), 3);
1306 if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[2] {
1307 assert_eq!(user_msg.content.to_markdown(cx), "New user message");
1308 } else {
1309 panic!("Expected UserMessage at index 2");
1310 }
1311 });
1312 }
1313
1314 #[gpui::test]
1315 async fn test_thinking_concatenation(cx: &mut gpui::TestAppContext) {
1316 init_test(cx);
1317
1318 let fs = FakeFs::new(cx.executor());
1319 let project = Project::test(fs, [], cx).await;
1320 let (thread, fake_server) = fake_acp_thread(project, cx);
1321
1322 fake_server.update(cx, |fake_server, _| {
1323 fake_server.on_user_message(move |_, server, mut cx| async move {
1324 server
1325 .update(&mut cx, |server, _| {
1326 server.send_to_zed(acp_old::StreamAssistantMessageChunkParams {
1327 chunk: acp_old::AssistantMessageChunk::Thought {
1328 thought: "Thinking ".into(),
1329 },
1330 })
1331 })?
1332 .await
1333 .unwrap();
1334 server
1335 .update(&mut cx, |server, _| {
1336 server.send_to_zed(acp_old::StreamAssistantMessageChunkParams {
1337 chunk: acp_old::AssistantMessageChunk::Thought {
1338 thought: "hard!".into(),
1339 },
1340 })
1341 })?
1342 .await
1343 .unwrap();
1344
1345 Ok(())
1346 })
1347 });
1348
1349 thread
1350 .update(cx, |thread, cx| thread.send_raw("Hello from Zed!", cx))
1351 .await
1352 .unwrap();
1353
1354 let output = thread.read_with(cx, |thread, cx| thread.to_markdown(cx));
1355 assert_eq!(
1356 output,
1357 indoc! {r#"
1358 ## User
1359
1360 Hello from Zed!
1361
1362 ## Assistant
1363
1364 <thinking>
1365 Thinking hard!
1366 </thinking>
1367
1368 "#}
1369 );
1370 }
1371
1372 #[gpui::test]
1373 async fn test_edits_concurrently_to_user(cx: &mut TestAppContext) {
1374 init_test(cx);
1375
1376 let fs = FakeFs::new(cx.executor());
1377 fs.insert_tree(path!("/tmp"), json!({"foo": "one\ntwo\nthree\n"}))
1378 .await;
1379 let project = Project::test(fs.clone(), [], cx).await;
1380 let (thread, fake_server) = fake_acp_thread(project.clone(), cx);
1381 let (worktree, pathbuf) = project
1382 .update(cx, |project, cx| {
1383 project.find_or_create_worktree(path!("/tmp/foo"), true, cx)
1384 })
1385 .await
1386 .unwrap();
1387 let buffer = project
1388 .update(cx, |project, cx| {
1389 project.open_buffer((worktree.read(cx).id(), pathbuf), cx)
1390 })
1391 .await
1392 .unwrap();
1393
1394 let (read_file_tx, read_file_rx) = oneshot::channel::<()>();
1395 let read_file_tx = Rc::new(RefCell::new(Some(read_file_tx)));
1396
1397 fake_server.update(cx, |fake_server, _| {
1398 fake_server.on_user_message(move |_, server, mut cx| {
1399 let read_file_tx = read_file_tx.clone();
1400 async move {
1401 let content = server
1402 .update(&mut cx, |server, _| {
1403 server.send_to_zed(acp_old::ReadTextFileParams {
1404 path: path!("/tmp/foo").into(),
1405 line: None,
1406 limit: None,
1407 })
1408 })?
1409 .await
1410 .unwrap();
1411 assert_eq!(content.content, "one\ntwo\nthree\n");
1412 read_file_tx.take().unwrap().send(()).unwrap();
1413 server
1414 .update(&mut cx, |server, _| {
1415 server.send_to_zed(acp_old::WriteTextFileParams {
1416 path: path!("/tmp/foo").into(),
1417 content: "one\ntwo\nthree\nfour\nfive\n".to_string(),
1418 })
1419 })?
1420 .await
1421 .unwrap();
1422 Ok(())
1423 }
1424 })
1425 });
1426
1427 let request = thread.update(cx, |thread, cx| {
1428 thread.send_raw("Extend the count in /tmp/foo", cx)
1429 });
1430 read_file_rx.await.ok();
1431 buffer.update(cx, |buffer, cx| {
1432 buffer.edit([(0..0, "zero\n".to_string())], None, cx);
1433 });
1434 cx.run_until_parked();
1435 assert_eq!(
1436 buffer.read_with(cx, |buffer, _| buffer.text()),
1437 "zero\none\ntwo\nthree\nfour\nfive\n"
1438 );
1439 assert_eq!(
1440 String::from_utf8(fs.read_file_sync(path!("/tmp/foo")).unwrap()).unwrap(),
1441 "zero\none\ntwo\nthree\nfour\nfive\n"
1442 );
1443 request.await.unwrap();
1444 }
1445
1446 #[gpui::test]
1447 async fn test_succeeding_canceled_toolcall(cx: &mut TestAppContext) {
1448 init_test(cx);
1449
1450 let fs = FakeFs::new(cx.executor());
1451 let project = Project::test(fs, [], cx).await;
1452 let (thread, fake_server) = fake_acp_thread(project, cx);
1453
1454 let (end_turn_tx, end_turn_rx) = oneshot::channel::<()>();
1455
1456 let tool_call_id = Rc::new(RefCell::new(None));
1457 let end_turn_rx = Rc::new(RefCell::new(Some(end_turn_rx)));
1458 fake_server.update(cx, |fake_server, _| {
1459 let tool_call_id = tool_call_id.clone();
1460 fake_server.on_user_message(move |_, server, mut cx| {
1461 let end_turn_rx = end_turn_rx.clone();
1462 let tool_call_id = tool_call_id.clone();
1463 async move {
1464 let tool_call_result = server
1465 .update(&mut cx, |server, _| {
1466 server.send_to_zed(acp_old::PushToolCallParams {
1467 label: "Fetch".to_string(),
1468 icon: acp_old::Icon::Globe,
1469 content: None,
1470 locations: vec![],
1471 })
1472 })?
1473 .await
1474 .unwrap();
1475 *tool_call_id.clone().borrow_mut() = Some(tool_call_result.id);
1476 end_turn_rx.take().unwrap().await.ok();
1477
1478 Ok(())
1479 }
1480 })
1481 });
1482
1483 let request = thread.update(cx, |thread, cx| {
1484 thread.send_raw("Fetch https://example.com", cx)
1485 });
1486
1487 run_until_first_tool_call(&thread, cx).await;
1488
1489 thread.read_with(cx, |thread, _| {
1490 assert!(matches!(
1491 thread.entries[1],
1492 AgentThreadEntry::ToolCall(ToolCall {
1493 status: ToolCallStatus::Allowed {
1494 status: acp::ToolCallStatus::InProgress,
1495 ..
1496 },
1497 ..
1498 })
1499 ));
1500 });
1501
1502 cx.run_until_parked();
1503
1504 thread.update(cx, |thread, cx| thread.cancel(cx)).await;
1505
1506 thread.read_with(cx, |thread, _| {
1507 assert!(matches!(
1508 &thread.entries[1],
1509 AgentThreadEntry::ToolCall(ToolCall {
1510 status: ToolCallStatus::Canceled,
1511 ..
1512 })
1513 ));
1514 });
1515
1516 fake_server
1517 .update(cx, |fake_server, _| {
1518 fake_server.send_to_zed(acp_old::UpdateToolCallParams {
1519 tool_call_id: tool_call_id.borrow().unwrap(),
1520 status: acp_old::ToolCallStatus::Finished,
1521 content: None,
1522 })
1523 })
1524 .await
1525 .unwrap();
1526
1527 drop(end_turn_tx);
1528 assert!(request.await.unwrap_err().to_string().contains("canceled"));
1529
1530 thread.read_with(cx, |thread, _| {
1531 assert!(matches!(
1532 thread.entries[1],
1533 AgentThreadEntry::ToolCall(ToolCall {
1534 status: ToolCallStatus::Allowed {
1535 status: acp::ToolCallStatus::Completed,
1536 ..
1537 },
1538 ..
1539 })
1540 ));
1541 });
1542 }
1543
1544 async fn run_until_first_tool_call(
1545 thread: &Entity<AcpThread>,
1546 cx: &mut TestAppContext,
1547 ) -> usize {
1548 let (mut tx, mut rx) = mpsc::channel::<usize>(1);
1549
1550 let subscription = cx.update(|cx| {
1551 cx.subscribe(thread, move |thread, _, cx| {
1552 for (ix, entry) in thread.read(cx).entries.iter().enumerate() {
1553 if matches!(entry, AgentThreadEntry::ToolCall(_)) {
1554 return tx.try_send(ix).unwrap();
1555 }
1556 }
1557 })
1558 });
1559
1560 select! {
1561 _ = futures::FutureExt::fuse(smol::Timer::after(Duration::from_secs(10))) => {
1562 panic!("Timeout waiting for tool call")
1563 }
1564 ix = rx.next().fuse() => {
1565 drop(subscription);
1566 ix.unwrap()
1567 }
1568 }
1569 }
1570
1571 pub fn fake_acp_thread(
1572 project: Entity<Project>,
1573 cx: &mut TestAppContext,
1574 ) -> (Entity<AcpThread>, Entity<FakeAcpServer>) {
1575 let (stdin_tx, stdin_rx) = async_pipe::pipe();
1576 let (stdout_tx, stdout_rx) = async_pipe::pipe();
1577
1578 let thread = cx.new(|cx| {
1579 let foreground_executor = cx.foreground_executor().clone();
1580 let thread_rc = Rc::new(RefCell::new(cx.entity().downgrade()));
1581
1582 let (connection, io_fut) = acp_old::AgentConnection::connect_to_agent(
1583 OldAcpClientDelegate::new(thread_rc.clone(), cx.to_async()),
1584 stdin_tx,
1585 stdout_rx,
1586 move |fut| {
1587 foreground_executor.spawn(fut).detach();
1588 },
1589 );
1590
1591 let io_task = cx.background_spawn({
1592 async move {
1593 io_fut.await.log_err();
1594 Ok(())
1595 }
1596 });
1597 let connection = OldAcpAgentConnection {
1598 name: "test",
1599 connection,
1600 child_status: io_task,
1601 };
1602
1603 AcpThread::new(
1604 "Test",
1605 Rc::new(connection),
1606 project,
1607 acp::SessionId("test".into()),
1608 cx,
1609 )
1610 });
1611 let agent = cx.update(|cx| cx.new(|cx| FakeAcpServer::new(stdin_rx, stdout_tx, cx)));
1612 (thread, agent)
1613 }
1614
1615 pub struct FakeAcpServer {
1616 connection: acp_old::ClientConnection,
1617
1618 _io_task: Task<()>,
1619 on_user_message: Option<
1620 Rc<
1621 dyn Fn(
1622 acp_old::SendUserMessageParams,
1623 Entity<FakeAcpServer>,
1624 AsyncApp,
1625 ) -> LocalBoxFuture<'static, Result<(), acp_old::Error>>,
1626 >,
1627 >,
1628 }
1629
1630 #[derive(Clone)]
1631 struct FakeAgent {
1632 server: Entity<FakeAcpServer>,
1633 cx: AsyncApp,
1634 cancel_tx: Rc<RefCell<Option<oneshot::Sender<()>>>>,
1635 }
1636
1637 impl acp_old::Agent for FakeAgent {
1638 async fn initialize(
1639 &self,
1640 params: acp_old::InitializeParams,
1641 ) -> Result<acp_old::InitializeResponse, acp_old::Error> {
1642 Ok(acp_old::InitializeResponse {
1643 protocol_version: params.protocol_version,
1644 is_authenticated: true,
1645 })
1646 }
1647
1648 async fn authenticate(&self) -> Result<(), acp_old::Error> {
1649 Ok(())
1650 }
1651
1652 async fn cancel_send_message(&self) -> Result<(), acp_old::Error> {
1653 if let Some(cancel_tx) = self.cancel_tx.take() {
1654 cancel_tx.send(()).log_err();
1655 }
1656 Ok(())
1657 }
1658
1659 async fn send_user_message(
1660 &self,
1661 request: acp_old::SendUserMessageParams,
1662 ) -> Result<(), acp_old::Error> {
1663 let (cancel_tx, cancel_rx) = oneshot::channel();
1664 self.cancel_tx.replace(Some(cancel_tx));
1665
1666 let mut cx = self.cx.clone();
1667 let handler = self
1668 .server
1669 .update(&mut cx, |server, _| server.on_user_message.clone())
1670 .ok()
1671 .flatten();
1672 if let Some(handler) = handler {
1673 select! {
1674 _ = cancel_rx.fuse() => Err(anyhow::anyhow!("Message sending canceled").into()),
1675 _ = handler(request, self.server.clone(), self.cx.clone()).fuse() => Ok(()),
1676 }
1677 } else {
1678 Err(anyhow::anyhow!("No handler for on_user_message").into())
1679 }
1680 }
1681 }
1682
1683 impl FakeAcpServer {
1684 fn new(stdin: PipeReader, stdout: PipeWriter, cx: &Context<Self>) -> Self {
1685 let agent = FakeAgent {
1686 server: cx.entity(),
1687 cx: cx.to_async(),
1688 cancel_tx: Default::default(),
1689 };
1690 let foreground_executor = cx.foreground_executor().clone();
1691
1692 let (connection, io_fut) = acp_old::ClientConnection::connect_to_client(
1693 agent.clone(),
1694 stdout,
1695 stdin,
1696 move |fut| {
1697 foreground_executor.spawn(fut).detach();
1698 },
1699 );
1700 FakeAcpServer {
1701 connection: connection,
1702 on_user_message: None,
1703 _io_task: cx.background_spawn(async move {
1704 io_fut.await.log_err();
1705 }),
1706 }
1707 }
1708
1709 fn on_user_message<F>(
1710 &mut self,
1711 handler: impl for<'a> Fn(
1712 acp_old::SendUserMessageParams,
1713 Entity<FakeAcpServer>,
1714 AsyncApp,
1715 ) -> F
1716 + 'static,
1717 ) where
1718 F: Future<Output = Result<(), acp_old::Error>> + 'static,
1719 {
1720 self.on_user_message
1721 .replace(Rc::new(move |request, server, cx| {
1722 handler(request, server, cx).boxed_local()
1723 }));
1724 }
1725
1726 fn send_to_zed<T: acp_old::ClientRequest + 'static>(
1727 &self,
1728 message: T,
1729 ) -> BoxedLocal<Result<T::Response>> {
1730 self.connection
1731 .request(message)
1732 .map(|f| f.map_err(|err| anyhow!(err)))
1733 .boxed_local()
1734 }
1735 }
1736}