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::ContentBlock(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 connection: Rc<dyn AgentConnection>,
620 project: Entity<Project>,
621 session_id: acp::SessionId,
622 cx: &mut Context<Self>,
623 ) -> Self {
624 let action_log = cx.new(|_| ActionLog::new(project.clone()));
625
626 Self {
627 action_log,
628 shared_buffers: Default::default(),
629 entries: Default::default(),
630 plan: Default::default(),
631 title: connection.name().into(),
632 project,
633 send_task: None,
634 connection,
635 session_id,
636 }
637 }
638
639 pub fn action_log(&self) -> &Entity<ActionLog> {
640 &self.action_log
641 }
642
643 pub fn project(&self) -> &Entity<Project> {
644 &self.project
645 }
646
647 pub fn title(&self) -> SharedString {
648 self.title.clone()
649 }
650
651 pub fn entries(&self) -> &[AgentThreadEntry] {
652 &self.entries
653 }
654
655 pub fn status(&self) -> ThreadStatus {
656 if self.send_task.is_some() {
657 if self.waiting_for_tool_confirmation() {
658 ThreadStatus::WaitingForToolConfirmation
659 } else {
660 ThreadStatus::Generating
661 }
662 } else {
663 ThreadStatus::Idle
664 }
665 }
666
667 pub fn has_pending_edit_tool_calls(&self) -> bool {
668 for entry in self.entries.iter().rev() {
669 match entry {
670 AgentThreadEntry::UserMessage(_) => return false,
671 AgentThreadEntry::ToolCall(call) if call.diffs().next().is_some() => return true,
672 AgentThreadEntry::ToolCall(_) | AgentThreadEntry::AssistantMessage(_) => {}
673 }
674 }
675
676 false
677 }
678
679 pub fn handle_session_update(
680 &mut self,
681 update: acp::SessionUpdate,
682 cx: &mut Context<Self>,
683 ) -> Result<()> {
684 match update {
685 acp::SessionUpdate::UserMessage(content_block) => {
686 self.push_user_content_block(content_block, cx);
687 }
688 acp::SessionUpdate::AgentMessageChunk(content_block) => {
689 self.push_assistant_content_block(content_block, false, cx);
690 }
691 acp::SessionUpdate::AgentThoughtChunk(content_block) => {
692 self.push_assistant_content_block(content_block, true, cx);
693 }
694 acp::SessionUpdate::ToolCall(tool_call) => {
695 self.upsert_tool_call(tool_call, cx);
696 }
697 acp::SessionUpdate::ToolCallUpdate(tool_call_update) => {
698 self.update_tool_call(tool_call_update, cx)?;
699 }
700 acp::SessionUpdate::Plan(plan) => {
701 self.update_plan(plan, cx);
702 }
703 }
704 Ok(())
705 }
706
707 pub fn push_user_content_block(&mut self, chunk: acp::ContentBlock, cx: &mut Context<Self>) {
708 let language_registry = self.project.read(cx).languages().clone();
709 let entries_len = self.entries.len();
710
711 if let Some(last_entry) = self.entries.last_mut()
712 && let AgentThreadEntry::UserMessage(UserMessage { content }) = last_entry
713 {
714 content.append(chunk, &language_registry, cx);
715 cx.emit(AcpThreadEvent::EntryUpdated(entries_len - 1));
716 } else {
717 let content = ContentBlock::new(chunk, &language_registry, cx);
718 self.push_entry(AgentThreadEntry::UserMessage(UserMessage { content }), cx);
719 }
720 }
721
722 pub fn push_assistant_content_block(
723 &mut self,
724 chunk: acp::ContentBlock,
725 is_thought: bool,
726 cx: &mut Context<Self>,
727 ) {
728 let language_registry = self.project.read(cx).languages().clone();
729 let entries_len = self.entries.len();
730 if let Some(last_entry) = self.entries.last_mut()
731 && let AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) = last_entry
732 {
733 cx.emit(AcpThreadEvent::EntryUpdated(entries_len - 1));
734 match (chunks.last_mut(), is_thought) {
735 (Some(AssistantMessageChunk::Message { block }), false)
736 | (Some(AssistantMessageChunk::Thought { block }), true) => {
737 block.append(chunk, &language_registry, cx)
738 }
739 _ => {
740 let block = ContentBlock::new(chunk, &language_registry, cx);
741 if is_thought {
742 chunks.push(AssistantMessageChunk::Thought { block })
743 } else {
744 chunks.push(AssistantMessageChunk::Message { block })
745 }
746 }
747 }
748 } else {
749 let block = ContentBlock::new(chunk, &language_registry, cx);
750 let chunk = if is_thought {
751 AssistantMessageChunk::Thought { block }
752 } else {
753 AssistantMessageChunk::Message { block }
754 };
755
756 self.push_entry(
757 AgentThreadEntry::AssistantMessage(AssistantMessage {
758 chunks: vec![chunk],
759 }),
760 cx,
761 );
762 }
763 }
764
765 fn push_entry(&mut self, entry: AgentThreadEntry, cx: &mut Context<Self>) {
766 self.entries.push(entry);
767 cx.emit(AcpThreadEvent::NewEntry);
768 }
769
770 pub fn update_tool_call(
771 &mut self,
772 update: acp::ToolCallUpdate,
773 cx: &mut Context<Self>,
774 ) -> Result<()> {
775 let languages = self.project.read(cx).languages().clone();
776
777 let (ix, current_call) = self
778 .tool_call_mut(&update.id)
779 .context("Tool call not found")?;
780 current_call.update(update.fields, languages, cx);
781
782 cx.emit(AcpThreadEvent::EntryUpdated(ix));
783
784 Ok(())
785 }
786
787 /// Updates a tool call if id matches an existing entry, otherwise inserts a new one.
788 pub fn upsert_tool_call(&mut self, tool_call: acp::ToolCall, cx: &mut Context<Self>) {
789 let status = ToolCallStatus::Allowed {
790 status: tool_call.status,
791 };
792 self.upsert_tool_call_inner(tool_call, status, cx)
793 }
794
795 pub fn upsert_tool_call_inner(
796 &mut self,
797 tool_call: acp::ToolCall,
798 status: ToolCallStatus,
799 cx: &mut Context<Self>,
800 ) {
801 let language_registry = self.project.read(cx).languages().clone();
802 let call = ToolCall::from_acp(tool_call, status, language_registry, cx);
803
804 let location = call.locations.last().cloned();
805
806 if let Some((ix, current_call)) = self.tool_call_mut(&call.id) {
807 *current_call = call;
808
809 cx.emit(AcpThreadEvent::EntryUpdated(ix));
810 } else {
811 self.push_entry(AgentThreadEntry::ToolCall(call), cx);
812 }
813
814 if let Some(location) = location {
815 self.set_project_location(location, cx)
816 }
817 }
818
819 fn tool_call_mut(&mut self, id: &acp::ToolCallId) -> Option<(usize, &mut ToolCall)> {
820 // The tool call we are looking for is typically the last one, or very close to the end.
821 // At the moment, it doesn't seem like a hashmap would be a good fit for this use case.
822 self.entries
823 .iter_mut()
824 .enumerate()
825 .rev()
826 .find_map(|(index, tool_call)| {
827 if let AgentThreadEntry::ToolCall(tool_call) = tool_call
828 && &tool_call.id == id
829 {
830 Some((index, tool_call))
831 } else {
832 None
833 }
834 })
835 }
836
837 pub fn set_project_location(&self, location: acp::ToolCallLocation, cx: &mut Context<Self>) {
838 self.project.update(cx, |project, cx| {
839 let Some(path) = project.project_path_for_absolute_path(&location.path, cx) else {
840 return;
841 };
842 let buffer = project.open_buffer(path, cx);
843 cx.spawn(async move |project, cx| {
844 let buffer = buffer.await?;
845
846 project.update(cx, |project, cx| {
847 let position = if let Some(line) = location.line {
848 let snapshot = buffer.read(cx).snapshot();
849 let point = snapshot.clip_point(Point::new(line, 0), Bias::Left);
850 snapshot.anchor_before(point)
851 } else {
852 Anchor::MIN
853 };
854
855 project.set_agent_location(
856 Some(AgentLocation {
857 buffer: buffer.downgrade(),
858 position,
859 }),
860 cx,
861 );
862 })
863 })
864 .detach_and_log_err(cx);
865 });
866 }
867
868 pub fn request_tool_call_permission(
869 &mut self,
870 tool_call: acp::ToolCall,
871 options: Vec<acp::PermissionOption>,
872 cx: &mut Context<Self>,
873 ) -> oneshot::Receiver<acp::PermissionOptionId> {
874 let (tx, rx) = oneshot::channel();
875
876 let status = ToolCallStatus::WaitingForConfirmation {
877 options,
878 respond_tx: tx,
879 };
880
881 self.upsert_tool_call_inner(tool_call, status, cx);
882 rx
883 }
884
885 pub fn authorize_tool_call(
886 &mut self,
887 id: acp::ToolCallId,
888 option_id: acp::PermissionOptionId,
889 option_kind: acp::PermissionOptionKind,
890 cx: &mut Context<Self>,
891 ) {
892 let Some((ix, call)) = self.tool_call_mut(&id) else {
893 return;
894 };
895
896 let new_status = match option_kind {
897 acp::PermissionOptionKind::RejectOnce | acp::PermissionOptionKind::RejectAlways => {
898 ToolCallStatus::Rejected
899 }
900 acp::PermissionOptionKind::AllowOnce | acp::PermissionOptionKind::AllowAlways => {
901 ToolCallStatus::Allowed {
902 status: acp::ToolCallStatus::InProgress,
903 }
904 }
905 };
906
907 let curr_status = mem::replace(&mut call.status, new_status);
908
909 if let ToolCallStatus::WaitingForConfirmation { respond_tx, .. } = curr_status {
910 respond_tx.send(option_id).log_err();
911 } else if cfg!(debug_assertions) {
912 panic!("tried to authorize an already authorized tool call");
913 }
914
915 cx.emit(AcpThreadEvent::EntryUpdated(ix));
916 }
917
918 /// Returns true if the last turn is awaiting tool authorization
919 pub fn waiting_for_tool_confirmation(&self) -> bool {
920 for entry in self.entries.iter().rev() {
921 match &entry {
922 AgentThreadEntry::ToolCall(call) => match call.status {
923 ToolCallStatus::WaitingForConfirmation { .. } => return true,
924 ToolCallStatus::Allowed { .. }
925 | ToolCallStatus::Rejected
926 | ToolCallStatus::Canceled => continue,
927 },
928 AgentThreadEntry::UserMessage(_) | AgentThreadEntry::AssistantMessage(_) => {
929 // Reached the beginning of the turn
930 return false;
931 }
932 }
933 }
934 false
935 }
936
937 pub fn plan(&self) -> &Plan {
938 &self.plan
939 }
940
941 pub fn update_plan(&mut self, request: acp::Plan, cx: &mut Context<Self>) {
942 self.plan = Plan {
943 entries: request
944 .entries
945 .into_iter()
946 .map(|entry| PlanEntry::from_acp(entry, cx))
947 .collect(),
948 };
949
950 cx.notify();
951 }
952
953 fn clear_completed_plan_entries(&mut self, cx: &mut Context<Self>) {
954 self.plan
955 .entries
956 .retain(|entry| !matches!(entry.status, acp::PlanEntryStatus::Completed));
957 cx.notify();
958 }
959
960 pub fn authenticate(&self, cx: &mut App) -> impl use<> + Future<Output = Result<()>> {
961 self.connection.authenticate(cx)
962 }
963
964 #[cfg(any(test, feature = "test-support"))]
965 pub fn send_raw(
966 &mut self,
967 message: &str,
968 cx: &mut Context<Self>,
969 ) -> BoxFuture<'static, Result<()>> {
970 self.send(
971 vec![acp::ContentBlock::Text(acp::TextContent {
972 text: message.to_string(),
973 annotations: None,
974 })],
975 cx,
976 )
977 }
978
979 pub fn send(
980 &mut self,
981 message: Vec<acp::ContentBlock>,
982 cx: &mut Context<Self>,
983 ) -> BoxFuture<'static, Result<()>> {
984 let block = ContentBlock::new_combined(
985 message.clone(),
986 self.project.read(cx).languages().clone(),
987 cx,
988 );
989 self.push_entry(
990 AgentThreadEntry::UserMessage(UserMessage { content: block }),
991 cx,
992 );
993 self.clear_completed_plan_entries(cx);
994
995 let (tx, rx) = oneshot::channel();
996 let cancel_task = self.cancel(cx);
997
998 self.send_task = Some(cx.spawn(async move |this, cx| {
999 async {
1000 cancel_task.await;
1001
1002 let result = this
1003 .update(cx, |this, cx| {
1004 this.connection.prompt(
1005 acp::PromptArguments {
1006 prompt: message,
1007 session_id: this.session_id.clone(),
1008 },
1009 cx,
1010 )
1011 })?
1012 .await;
1013 tx.send(result).log_err();
1014 this.update(cx, |this, _cx| this.send_task.take())?;
1015 anyhow::Ok(())
1016 }
1017 .await
1018 .log_err();
1019 }));
1020
1021 async move {
1022 match rx.await {
1023 Ok(Err(e)) => Err(e)?,
1024 _ => Ok(()),
1025 }
1026 }
1027 .boxed()
1028 }
1029
1030 pub fn cancel(&mut self, cx: &mut Context<Self>) -> Task<()> {
1031 let Some(send_task) = self.send_task.take() else {
1032 return Task::ready(());
1033 };
1034
1035 for entry in self.entries.iter_mut() {
1036 if let AgentThreadEntry::ToolCall(call) = entry {
1037 let cancel = matches!(
1038 call.status,
1039 ToolCallStatus::WaitingForConfirmation { .. }
1040 | ToolCallStatus::Allowed {
1041 status: acp::ToolCallStatus::InProgress
1042 }
1043 );
1044
1045 if cancel {
1046 call.status = ToolCallStatus::Canceled;
1047 }
1048 }
1049 }
1050
1051 self.connection.cancel(&self.session_id, cx);
1052
1053 // Wait for the send task to complete
1054 cx.foreground_executor().spawn(send_task)
1055 }
1056
1057 pub fn read_text_file(
1058 &self,
1059 path: PathBuf,
1060 line: Option<u32>,
1061 limit: Option<u32>,
1062 reuse_shared_snapshot: bool,
1063 cx: &mut Context<Self>,
1064 ) -> Task<Result<String>> {
1065 let project = self.project.clone();
1066 let action_log = self.action_log.clone();
1067 cx.spawn(async move |this, cx| {
1068 let load = project.update(cx, |project, cx| {
1069 let path = project
1070 .project_path_for_absolute_path(&path, cx)
1071 .context("invalid path")?;
1072 anyhow::Ok(project.open_buffer(path, cx))
1073 });
1074 let buffer = load??.await?;
1075
1076 let snapshot = if reuse_shared_snapshot {
1077 this.read_with(cx, |this, _| {
1078 this.shared_buffers.get(&buffer.clone()).cloned()
1079 })
1080 .log_err()
1081 .flatten()
1082 } else {
1083 None
1084 };
1085
1086 let snapshot = if let Some(snapshot) = snapshot {
1087 snapshot
1088 } else {
1089 action_log.update(cx, |action_log, cx| {
1090 action_log.buffer_read(buffer.clone(), cx);
1091 })?;
1092 project.update(cx, |project, cx| {
1093 let position = buffer
1094 .read(cx)
1095 .snapshot()
1096 .anchor_before(Point::new(line.unwrap_or_default(), 0));
1097 project.set_agent_location(
1098 Some(AgentLocation {
1099 buffer: buffer.downgrade(),
1100 position,
1101 }),
1102 cx,
1103 );
1104 })?;
1105
1106 buffer.update(cx, |buffer, _| buffer.snapshot())?
1107 };
1108
1109 this.update(cx, |this, _| {
1110 let text = snapshot.text();
1111 this.shared_buffers.insert(buffer.clone(), snapshot);
1112 if line.is_none() && limit.is_none() {
1113 return Ok(text);
1114 }
1115 let limit = limit.unwrap_or(u32::MAX) as usize;
1116 let Some(line) = line else {
1117 return Ok(text.lines().take(limit).collect::<String>());
1118 };
1119
1120 let count = text.lines().count();
1121 if count < line as usize {
1122 anyhow::bail!("There are only {} lines", count);
1123 }
1124 Ok(text
1125 .lines()
1126 .skip(line as usize + 1)
1127 .take(limit)
1128 .collect::<String>())
1129 })?
1130 })
1131 }
1132
1133 pub fn write_text_file(
1134 &self,
1135 path: PathBuf,
1136 content: String,
1137 cx: &mut Context<Self>,
1138 ) -> Task<Result<()>> {
1139 let project = self.project.clone();
1140 let action_log = self.action_log.clone();
1141 cx.spawn(async move |this, cx| {
1142 let load = project.update(cx, |project, cx| {
1143 let path = project
1144 .project_path_for_absolute_path(&path, cx)
1145 .context("invalid path")?;
1146 anyhow::Ok(project.open_buffer(path, cx))
1147 });
1148 let buffer = load??.await?;
1149 let snapshot = this.update(cx, |this, cx| {
1150 this.shared_buffers
1151 .get(&buffer)
1152 .cloned()
1153 .unwrap_or_else(|| buffer.read(cx).snapshot())
1154 })?;
1155 let edits = cx
1156 .background_executor()
1157 .spawn(async move {
1158 let old_text = snapshot.text();
1159 text_diff(old_text.as_str(), &content)
1160 .into_iter()
1161 .map(|(range, replacement)| {
1162 (
1163 snapshot.anchor_after(range.start)
1164 ..snapshot.anchor_before(range.end),
1165 replacement,
1166 )
1167 })
1168 .collect::<Vec<_>>()
1169 })
1170 .await;
1171 cx.update(|cx| {
1172 project.update(cx, |project, cx| {
1173 project.set_agent_location(
1174 Some(AgentLocation {
1175 buffer: buffer.downgrade(),
1176 position: edits
1177 .last()
1178 .map(|(range, _)| range.end)
1179 .unwrap_or(Anchor::MIN),
1180 }),
1181 cx,
1182 );
1183 });
1184
1185 action_log.update(cx, |action_log, cx| {
1186 action_log.buffer_read(buffer.clone(), cx);
1187 });
1188 buffer.update(cx, |buffer, cx| {
1189 buffer.edit(edits, None, cx);
1190 });
1191 action_log.update(cx, |action_log, cx| {
1192 action_log.buffer_edited(buffer.clone(), cx);
1193 });
1194 })?;
1195 project
1196 .update(cx, |project, cx| project.save_buffer(buffer, cx))?
1197 .await
1198 })
1199 }
1200
1201 pub fn to_markdown(&self, cx: &App) -> String {
1202 self.entries.iter().map(|e| e.to_markdown(cx)).collect()
1203 }
1204}
1205
1206#[cfg(test)]
1207mod tests {
1208 use super::*;
1209 use agentic_coding_protocol as acp_old;
1210 use anyhow::anyhow;
1211 use async_pipe::{PipeReader, PipeWriter};
1212 use futures::{channel::mpsc, future::LocalBoxFuture, select};
1213 use gpui::{AsyncApp, TestAppContext};
1214 use indoc::indoc;
1215 use project::FakeFs;
1216 use serde_json::json;
1217 use settings::SettingsStore;
1218 use smol::{future::BoxedLocal, stream::StreamExt as _};
1219 use std::{cell::RefCell, rc::Rc, time::Duration};
1220
1221 use util::path;
1222
1223 fn init_test(cx: &mut TestAppContext) {
1224 env_logger::try_init().ok();
1225 cx.update(|cx| {
1226 let settings_store = SettingsStore::test(cx);
1227 cx.set_global(settings_store);
1228 Project::init_settings(cx);
1229 language::init(cx);
1230 });
1231 }
1232
1233 #[gpui::test]
1234 async fn test_push_user_content_block(cx: &mut gpui::TestAppContext) {
1235 init_test(cx);
1236
1237 let fs = FakeFs::new(cx.executor());
1238 let project = Project::test(fs, [], cx).await;
1239 let (thread, _fake_server) = fake_acp_thread(project, cx);
1240
1241 // Test creating a new user message
1242 thread.update(cx, |thread, cx| {
1243 thread.push_user_content_block(
1244 acp::ContentBlock::Text(acp::TextContent {
1245 annotations: None,
1246 text: "Hello, ".to_string(),
1247 }),
1248 cx,
1249 );
1250 });
1251
1252 thread.update(cx, |thread, cx| {
1253 assert_eq!(thread.entries.len(), 1);
1254 if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[0] {
1255 assert_eq!(user_msg.content.to_markdown(cx), "Hello, ");
1256 } else {
1257 panic!("Expected UserMessage");
1258 }
1259 });
1260
1261 // Test appending to existing user message
1262 thread.update(cx, |thread, cx| {
1263 thread.push_user_content_block(
1264 acp::ContentBlock::Text(acp::TextContent {
1265 annotations: None,
1266 text: "world!".to_string(),
1267 }),
1268 cx,
1269 );
1270 });
1271
1272 thread.update(cx, |thread, cx| {
1273 assert_eq!(thread.entries.len(), 1);
1274 if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[0] {
1275 assert_eq!(user_msg.content.to_markdown(cx), "Hello, world!");
1276 } else {
1277 panic!("Expected UserMessage");
1278 }
1279 });
1280
1281 // Test creating new user message after assistant message
1282 thread.update(cx, |thread, cx| {
1283 thread.push_assistant_content_block(
1284 acp::ContentBlock::Text(acp::TextContent {
1285 annotations: None,
1286 text: "Assistant response".to_string(),
1287 }),
1288 false,
1289 cx,
1290 );
1291 });
1292
1293 thread.update(cx, |thread, cx| {
1294 thread.push_user_content_block(
1295 acp::ContentBlock::Text(acp::TextContent {
1296 annotations: None,
1297 text: "New user message".to_string(),
1298 }),
1299 cx,
1300 );
1301 });
1302
1303 thread.update(cx, |thread, cx| {
1304 assert_eq!(thread.entries.len(), 3);
1305 if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[2] {
1306 assert_eq!(user_msg.content.to_markdown(cx), "New user message");
1307 } else {
1308 panic!("Expected UserMessage at index 2");
1309 }
1310 });
1311 }
1312
1313 #[gpui::test]
1314 async fn test_thinking_concatenation(cx: &mut gpui::TestAppContext) {
1315 init_test(cx);
1316
1317 let fs = FakeFs::new(cx.executor());
1318 let project = Project::test(fs, [], cx).await;
1319 let (thread, fake_server) = fake_acp_thread(project, cx);
1320
1321 fake_server.update(cx, |fake_server, _| {
1322 fake_server.on_user_message(move |_, server, mut cx| async move {
1323 server
1324 .update(&mut cx, |server, _| {
1325 server.send_to_zed(acp_old::StreamAssistantMessageChunkParams {
1326 chunk: acp_old::AssistantMessageChunk::Thought {
1327 thought: "Thinking ".into(),
1328 },
1329 })
1330 })?
1331 .await
1332 .unwrap();
1333 server
1334 .update(&mut cx, |server, _| {
1335 server.send_to_zed(acp_old::StreamAssistantMessageChunkParams {
1336 chunk: acp_old::AssistantMessageChunk::Thought {
1337 thought: "hard!".into(),
1338 },
1339 })
1340 })?
1341 .await
1342 .unwrap();
1343
1344 Ok(())
1345 })
1346 });
1347
1348 thread
1349 .update(cx, |thread, cx| thread.send_raw("Hello from Zed!", cx))
1350 .await
1351 .unwrap();
1352
1353 let output = thread.read_with(cx, |thread, cx| thread.to_markdown(cx));
1354 assert_eq!(
1355 output,
1356 indoc! {r#"
1357 ## User
1358
1359 Hello from Zed!
1360
1361 ## Assistant
1362
1363 <thinking>
1364 Thinking hard!
1365 </thinking>
1366
1367 "#}
1368 );
1369 }
1370
1371 #[gpui::test]
1372 async fn test_edits_concurrently_to_user(cx: &mut TestAppContext) {
1373 init_test(cx);
1374
1375 let fs = FakeFs::new(cx.executor());
1376 fs.insert_tree(path!("/tmp"), json!({"foo": "one\ntwo\nthree\n"}))
1377 .await;
1378 let project = Project::test(fs.clone(), [], cx).await;
1379 let (thread, fake_server) = fake_acp_thread(project.clone(), cx);
1380 let (worktree, pathbuf) = project
1381 .update(cx, |project, cx| {
1382 project.find_or_create_worktree(path!("/tmp/foo"), true, cx)
1383 })
1384 .await
1385 .unwrap();
1386 let buffer = project
1387 .update(cx, |project, cx| {
1388 project.open_buffer((worktree.read(cx).id(), pathbuf), cx)
1389 })
1390 .await
1391 .unwrap();
1392
1393 let (read_file_tx, read_file_rx) = oneshot::channel::<()>();
1394 let read_file_tx = Rc::new(RefCell::new(Some(read_file_tx)));
1395
1396 fake_server.update(cx, |fake_server, _| {
1397 fake_server.on_user_message(move |_, server, mut cx| {
1398 let read_file_tx = read_file_tx.clone();
1399 async move {
1400 let content = server
1401 .update(&mut cx, |server, _| {
1402 server.send_to_zed(acp_old::ReadTextFileParams {
1403 path: path!("/tmp/foo").into(),
1404 line: None,
1405 limit: None,
1406 })
1407 })?
1408 .await
1409 .unwrap();
1410 assert_eq!(content.content, "one\ntwo\nthree\n");
1411 read_file_tx.take().unwrap().send(()).unwrap();
1412 server
1413 .update(&mut cx, |server, _| {
1414 server.send_to_zed(acp_old::WriteTextFileParams {
1415 path: path!("/tmp/foo").into(),
1416 content: "one\ntwo\nthree\nfour\nfive\n".to_string(),
1417 })
1418 })?
1419 .await
1420 .unwrap();
1421 Ok(())
1422 }
1423 })
1424 });
1425
1426 let request = thread.update(cx, |thread, cx| {
1427 thread.send_raw("Extend the count in /tmp/foo", cx)
1428 });
1429 read_file_rx.await.ok();
1430 buffer.update(cx, |buffer, cx| {
1431 buffer.edit([(0..0, "zero\n".to_string())], None, cx);
1432 });
1433 cx.run_until_parked();
1434 assert_eq!(
1435 buffer.read_with(cx, |buffer, _| buffer.text()),
1436 "zero\none\ntwo\nthree\nfour\nfive\n"
1437 );
1438 assert_eq!(
1439 String::from_utf8(fs.read_file_sync(path!("/tmp/foo")).unwrap()).unwrap(),
1440 "zero\none\ntwo\nthree\nfour\nfive\n"
1441 );
1442 request.await.unwrap();
1443 }
1444
1445 #[gpui::test]
1446 async fn test_succeeding_canceled_toolcall(cx: &mut TestAppContext) {
1447 init_test(cx);
1448
1449 let fs = FakeFs::new(cx.executor());
1450 let project = Project::test(fs, [], cx).await;
1451 let (thread, fake_server) = fake_acp_thread(project, cx);
1452
1453 let (end_turn_tx, end_turn_rx) = oneshot::channel::<()>();
1454
1455 let tool_call_id = Rc::new(RefCell::new(None));
1456 let end_turn_rx = Rc::new(RefCell::new(Some(end_turn_rx)));
1457 fake_server.update(cx, |fake_server, _| {
1458 let tool_call_id = tool_call_id.clone();
1459 fake_server.on_user_message(move |_, server, mut cx| {
1460 let end_turn_rx = end_turn_rx.clone();
1461 let tool_call_id = tool_call_id.clone();
1462 async move {
1463 let tool_call_result = server
1464 .update(&mut cx, |server, _| {
1465 server.send_to_zed(acp_old::PushToolCallParams {
1466 label: "Fetch".to_string(),
1467 icon: acp_old::Icon::Globe,
1468 content: None,
1469 locations: vec![],
1470 })
1471 })?
1472 .await
1473 .unwrap();
1474 *tool_call_id.clone().borrow_mut() = Some(tool_call_result.id);
1475 end_turn_rx.take().unwrap().await.ok();
1476
1477 Ok(())
1478 }
1479 })
1480 });
1481
1482 let request = thread.update(cx, |thread, cx| {
1483 thread.send_raw("Fetch https://example.com", cx)
1484 });
1485
1486 run_until_first_tool_call(&thread, cx).await;
1487
1488 thread.read_with(cx, |thread, _| {
1489 assert!(matches!(
1490 thread.entries[1],
1491 AgentThreadEntry::ToolCall(ToolCall {
1492 status: ToolCallStatus::Allowed {
1493 status: acp::ToolCallStatus::InProgress,
1494 ..
1495 },
1496 ..
1497 })
1498 ));
1499 });
1500
1501 cx.run_until_parked();
1502
1503 thread.update(cx, |thread, cx| thread.cancel(cx)).await;
1504
1505 thread.read_with(cx, |thread, _| {
1506 assert!(matches!(
1507 &thread.entries[1],
1508 AgentThreadEntry::ToolCall(ToolCall {
1509 status: ToolCallStatus::Canceled,
1510 ..
1511 })
1512 ));
1513 });
1514
1515 fake_server
1516 .update(cx, |fake_server, _| {
1517 fake_server.send_to_zed(acp_old::UpdateToolCallParams {
1518 tool_call_id: tool_call_id.borrow().unwrap(),
1519 status: acp_old::ToolCallStatus::Finished,
1520 content: None,
1521 })
1522 })
1523 .await
1524 .unwrap();
1525
1526 drop(end_turn_tx);
1527 assert!(request.await.unwrap_err().to_string().contains("canceled"));
1528
1529 thread.read_with(cx, |thread, _| {
1530 assert!(matches!(
1531 thread.entries[1],
1532 AgentThreadEntry::ToolCall(ToolCall {
1533 status: ToolCallStatus::Allowed {
1534 status: acp::ToolCallStatus::Completed,
1535 ..
1536 },
1537 ..
1538 })
1539 ));
1540 });
1541 }
1542
1543 async fn run_until_first_tool_call(
1544 thread: &Entity<AcpThread>,
1545 cx: &mut TestAppContext,
1546 ) -> usize {
1547 let (mut tx, mut rx) = mpsc::channel::<usize>(1);
1548
1549 let subscription = cx.update(|cx| {
1550 cx.subscribe(thread, move |thread, _, cx| {
1551 for (ix, entry) in thread.read(cx).entries.iter().enumerate() {
1552 if matches!(entry, AgentThreadEntry::ToolCall(_)) {
1553 return tx.try_send(ix).unwrap();
1554 }
1555 }
1556 })
1557 });
1558
1559 select! {
1560 _ = futures::FutureExt::fuse(smol::Timer::after(Duration::from_secs(10))) => {
1561 panic!("Timeout waiting for tool call")
1562 }
1563 ix = rx.next().fuse() => {
1564 drop(subscription);
1565 ix.unwrap()
1566 }
1567 }
1568 }
1569
1570 pub fn fake_acp_thread(
1571 project: Entity<Project>,
1572 cx: &mut TestAppContext,
1573 ) -> (Entity<AcpThread>, Entity<FakeAcpServer>) {
1574 let (stdin_tx, stdin_rx) = async_pipe::pipe();
1575 let (stdout_tx, stdout_rx) = async_pipe::pipe();
1576
1577 let thread = cx.new(|cx| {
1578 let foreground_executor = cx.foreground_executor().clone();
1579 let thread_rc = Rc::new(RefCell::new(cx.entity().downgrade()));
1580
1581 let (connection, io_fut) = acp_old::AgentConnection::connect_to_agent(
1582 OldAcpClientDelegate::new(thread_rc.clone(), cx.to_async()),
1583 stdin_tx,
1584 stdout_rx,
1585 move |fut| {
1586 foreground_executor.spawn(fut).detach();
1587 },
1588 );
1589
1590 let io_task = cx.background_spawn({
1591 async move {
1592 io_fut.await.log_err();
1593 Ok(())
1594 }
1595 });
1596 let connection = OldAcpAgentConnection {
1597 name: "test",
1598 connection,
1599 child_status: io_task,
1600 };
1601
1602 AcpThread::new(
1603 Rc::new(connection),
1604 project,
1605 acp::SessionId("test".into()),
1606 cx,
1607 )
1608 });
1609 let agent = cx.update(|cx| cx.new(|cx| FakeAcpServer::new(stdin_rx, stdout_tx, cx)));
1610 (thread, agent)
1611 }
1612
1613 pub struct FakeAcpServer {
1614 connection: acp_old::ClientConnection,
1615
1616 _io_task: Task<()>,
1617 on_user_message: Option<
1618 Rc<
1619 dyn Fn(
1620 acp_old::SendUserMessageParams,
1621 Entity<FakeAcpServer>,
1622 AsyncApp,
1623 ) -> LocalBoxFuture<'static, Result<(), acp_old::Error>>,
1624 >,
1625 >,
1626 }
1627
1628 #[derive(Clone)]
1629 struct FakeAgent {
1630 server: Entity<FakeAcpServer>,
1631 cx: AsyncApp,
1632 cancel_tx: Rc<RefCell<Option<oneshot::Sender<()>>>>,
1633 }
1634
1635 impl acp_old::Agent for FakeAgent {
1636 async fn initialize(
1637 &self,
1638 params: acp_old::InitializeParams,
1639 ) -> Result<acp_old::InitializeResponse, acp_old::Error> {
1640 Ok(acp_old::InitializeResponse {
1641 protocol_version: params.protocol_version,
1642 is_authenticated: true,
1643 })
1644 }
1645
1646 async fn authenticate(&self) -> Result<(), acp_old::Error> {
1647 Ok(())
1648 }
1649
1650 async fn cancel_send_message(&self) -> Result<(), acp_old::Error> {
1651 if let Some(cancel_tx) = self.cancel_tx.take() {
1652 cancel_tx.send(()).log_err();
1653 }
1654 Ok(())
1655 }
1656
1657 async fn send_user_message(
1658 &self,
1659 request: acp_old::SendUserMessageParams,
1660 ) -> Result<(), acp_old::Error> {
1661 let (cancel_tx, cancel_rx) = oneshot::channel();
1662 self.cancel_tx.replace(Some(cancel_tx));
1663
1664 let mut cx = self.cx.clone();
1665 let handler = self
1666 .server
1667 .update(&mut cx, |server, _| server.on_user_message.clone())
1668 .ok()
1669 .flatten();
1670 if let Some(handler) = handler {
1671 select! {
1672 _ = cancel_rx.fuse() => Err(anyhow::anyhow!("Message sending canceled").into()),
1673 _ = handler(request, self.server.clone(), self.cx.clone()).fuse() => Ok(()),
1674 }
1675 } else {
1676 Err(anyhow::anyhow!("No handler for on_user_message").into())
1677 }
1678 }
1679 }
1680
1681 impl FakeAcpServer {
1682 fn new(stdin: PipeReader, stdout: PipeWriter, cx: &Context<Self>) -> Self {
1683 let agent = FakeAgent {
1684 server: cx.entity(),
1685 cx: cx.to_async(),
1686 cancel_tx: Default::default(),
1687 };
1688 let foreground_executor = cx.foreground_executor().clone();
1689
1690 let (connection, io_fut) = acp_old::ClientConnection::connect_to_client(
1691 agent.clone(),
1692 stdout,
1693 stdin,
1694 move |fut| {
1695 foreground_executor.spawn(fut).detach();
1696 },
1697 );
1698 FakeAcpServer {
1699 connection: connection,
1700 on_user_message: None,
1701 _io_task: cx.background_spawn(async move {
1702 io_fut.await.log_err();
1703 }),
1704 }
1705 }
1706
1707 fn on_user_message<F>(
1708 &mut self,
1709 handler: impl for<'a> Fn(
1710 acp_old::SendUserMessageParams,
1711 Entity<FakeAcpServer>,
1712 AsyncApp,
1713 ) -> F
1714 + 'static,
1715 ) where
1716 F: Future<Output = Result<(), acp_old::Error>> + 'static,
1717 {
1718 self.on_user_message
1719 .replace(Rc::new(move |request, server, cx| {
1720 handler(request, server, cx).boxed_local()
1721 }));
1722 }
1723
1724 fn send_to_zed<T: acp_old::ClientRequest + 'static>(
1725 &self,
1726 message: T,
1727 ) -> BoxedLocal<Result<T::Response>> {
1728 self.connection
1729 .request(message)
1730 .map(|f| f.map_err(|err| anyhow!(err)))
1731 .boxed_local()
1732 }
1733 }
1734}