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 ToolAuthorizationRequired,
584 Stopped,
585 Error,
586}
587
588impl EventEmitter<AcpThreadEvent> for AcpThread {}
589
590#[derive(PartialEq, Eq)]
591pub enum ThreadStatus {
592 Idle,
593 WaitingForToolConfirmation,
594 Generating,
595}
596
597#[derive(Debug, Clone)]
598pub enum LoadError {
599 Unsupported {
600 error_message: SharedString,
601 upgrade_message: SharedString,
602 upgrade_command: String,
603 },
604 Exited(i32),
605 Other(SharedString),
606}
607
608impl Display for LoadError {
609 fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
610 match self {
611 LoadError::Unsupported { error_message, .. } => write!(f, "{}", error_message),
612 LoadError::Exited(status) => write!(f, "Server exited with status {}", status),
613 LoadError::Other(msg) => write!(f, "{}", msg),
614 }
615 }
616}
617
618impl Error for LoadError {}
619
620impl AcpThread {
621 pub fn new(
622 title: impl Into<SharedString>,
623 connection: Rc<dyn AgentConnection>,
624 project: Entity<Project>,
625 session_id: acp::SessionId,
626 cx: &mut Context<Self>,
627 ) -> Self {
628 let action_log = cx.new(|_| ActionLog::new(project.clone()));
629
630 Self {
631 action_log,
632 shared_buffers: Default::default(),
633 entries: Default::default(),
634 plan: Default::default(),
635 title: title.into(),
636 project,
637 send_task: None,
638 connection,
639 session_id,
640 }
641 }
642
643 pub fn action_log(&self) -> &Entity<ActionLog> {
644 &self.action_log
645 }
646
647 pub fn project(&self) -> &Entity<Project> {
648 &self.project
649 }
650
651 pub fn title(&self) -> SharedString {
652 self.title.clone()
653 }
654
655 pub fn entries(&self) -> &[AgentThreadEntry] {
656 &self.entries
657 }
658
659 pub fn session_id(&self) -> &acp::SessionId {
660 &self.session_id
661 }
662
663 pub fn status(&self) -> ThreadStatus {
664 if self.send_task.is_some() {
665 if self.waiting_for_tool_confirmation() {
666 ThreadStatus::WaitingForToolConfirmation
667 } else {
668 ThreadStatus::Generating
669 }
670 } else {
671 ThreadStatus::Idle
672 }
673 }
674
675 pub fn has_pending_edit_tool_calls(&self) -> bool {
676 for entry in self.entries.iter().rev() {
677 match entry {
678 AgentThreadEntry::UserMessage(_) => return false,
679 AgentThreadEntry::ToolCall(call) if call.diffs().next().is_some() => return true,
680 AgentThreadEntry::ToolCall(_) | AgentThreadEntry::AssistantMessage(_) => {}
681 }
682 }
683
684 false
685 }
686
687 pub fn used_tools_since_last_user_message(&self) -> bool {
688 for entry in self.entries.iter().rev() {
689 match entry {
690 AgentThreadEntry::UserMessage(..) => return false,
691 AgentThreadEntry::AssistantMessage(..) => continue,
692 AgentThreadEntry::ToolCall(..) => return true,
693 }
694 }
695
696 false
697 }
698
699 pub fn handle_session_update(
700 &mut self,
701 update: acp::SessionUpdate,
702 cx: &mut Context<Self>,
703 ) -> Result<()> {
704 match update {
705 acp::SessionUpdate::UserMessageChunk { content } => {
706 self.push_user_content_block(content, cx);
707 }
708 acp::SessionUpdate::AgentMessageChunk { content } => {
709 self.push_assistant_content_block(content, false, cx);
710 }
711 acp::SessionUpdate::AgentThoughtChunk { content } => {
712 self.push_assistant_content_block(content, true, cx);
713 }
714 acp::SessionUpdate::ToolCall(tool_call) => {
715 self.upsert_tool_call(tool_call, cx);
716 }
717 acp::SessionUpdate::ToolCallUpdate(tool_call_update) => {
718 self.update_tool_call(tool_call_update, cx)?;
719 }
720 acp::SessionUpdate::Plan(plan) => {
721 self.update_plan(plan, cx);
722 }
723 }
724 Ok(())
725 }
726
727 pub fn push_user_content_block(&mut self, chunk: acp::ContentBlock, cx: &mut Context<Self>) {
728 let language_registry = self.project.read(cx).languages().clone();
729 let entries_len = self.entries.len();
730
731 if let Some(last_entry) = self.entries.last_mut()
732 && let AgentThreadEntry::UserMessage(UserMessage { content }) = last_entry
733 {
734 content.append(chunk, &language_registry, cx);
735 cx.emit(AcpThreadEvent::EntryUpdated(entries_len - 1));
736 } else {
737 let content = ContentBlock::new(chunk, &language_registry, cx);
738 self.push_entry(AgentThreadEntry::UserMessage(UserMessage { content }), cx);
739 }
740 }
741
742 pub fn push_assistant_content_block(
743 &mut self,
744 chunk: acp::ContentBlock,
745 is_thought: bool,
746 cx: &mut Context<Self>,
747 ) {
748 let language_registry = self.project.read(cx).languages().clone();
749 let entries_len = self.entries.len();
750 if let Some(last_entry) = self.entries.last_mut()
751 && let AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) = last_entry
752 {
753 cx.emit(AcpThreadEvent::EntryUpdated(entries_len - 1));
754 match (chunks.last_mut(), is_thought) {
755 (Some(AssistantMessageChunk::Message { block }), false)
756 | (Some(AssistantMessageChunk::Thought { block }), true) => {
757 block.append(chunk, &language_registry, cx)
758 }
759 _ => {
760 let block = ContentBlock::new(chunk, &language_registry, cx);
761 if is_thought {
762 chunks.push(AssistantMessageChunk::Thought { block })
763 } else {
764 chunks.push(AssistantMessageChunk::Message { block })
765 }
766 }
767 }
768 } else {
769 let block = ContentBlock::new(chunk, &language_registry, cx);
770 let chunk = if is_thought {
771 AssistantMessageChunk::Thought { block }
772 } else {
773 AssistantMessageChunk::Message { block }
774 };
775
776 self.push_entry(
777 AgentThreadEntry::AssistantMessage(AssistantMessage {
778 chunks: vec![chunk],
779 }),
780 cx,
781 );
782 }
783 }
784
785 fn push_entry(&mut self, entry: AgentThreadEntry, cx: &mut Context<Self>) {
786 self.entries.push(entry);
787 cx.emit(AcpThreadEvent::NewEntry);
788 }
789
790 pub fn update_tool_call(
791 &mut self,
792 update: acp::ToolCallUpdate,
793 cx: &mut Context<Self>,
794 ) -> Result<()> {
795 let languages = self.project.read(cx).languages().clone();
796
797 let (ix, current_call) = self
798 .tool_call_mut(&update.id)
799 .context("Tool call not found")?;
800 current_call.update(update.fields, languages, cx);
801
802 cx.emit(AcpThreadEvent::EntryUpdated(ix));
803
804 Ok(())
805 }
806
807 /// Updates a tool call if id matches an existing entry, otherwise inserts a new one.
808 pub fn upsert_tool_call(&mut self, tool_call: acp::ToolCall, cx: &mut Context<Self>) {
809 let status = ToolCallStatus::Allowed {
810 status: tool_call.status,
811 };
812 self.upsert_tool_call_inner(tool_call, status, cx)
813 }
814
815 pub fn upsert_tool_call_inner(
816 &mut self,
817 tool_call: acp::ToolCall,
818 status: ToolCallStatus,
819 cx: &mut Context<Self>,
820 ) {
821 let language_registry = self.project.read(cx).languages().clone();
822 let call = ToolCall::from_acp(tool_call, status, language_registry, cx);
823
824 let location = call.locations.last().cloned();
825
826 if let Some((ix, current_call)) = self.tool_call_mut(&call.id) {
827 *current_call = call;
828
829 cx.emit(AcpThreadEvent::EntryUpdated(ix));
830 } else {
831 self.push_entry(AgentThreadEntry::ToolCall(call), cx);
832 }
833
834 if let Some(location) = location {
835 self.set_project_location(location, cx)
836 }
837 }
838
839 fn tool_call_mut(&mut self, id: &acp::ToolCallId) -> Option<(usize, &mut ToolCall)> {
840 // The tool call we are looking for is typically the last one, or very close to the end.
841 // At the moment, it doesn't seem like a hashmap would be a good fit for this use case.
842 self.entries
843 .iter_mut()
844 .enumerate()
845 .rev()
846 .find_map(|(index, tool_call)| {
847 if let AgentThreadEntry::ToolCall(tool_call) = tool_call
848 && &tool_call.id == id
849 {
850 Some((index, tool_call))
851 } else {
852 None
853 }
854 })
855 }
856
857 pub fn set_project_location(&self, location: acp::ToolCallLocation, cx: &mut Context<Self>) {
858 self.project.update(cx, |project, cx| {
859 let Some(path) = project.project_path_for_absolute_path(&location.path, cx) else {
860 return;
861 };
862 let buffer = project.open_buffer(path, cx);
863 cx.spawn(async move |project, cx| {
864 let buffer = buffer.await?;
865
866 project.update(cx, |project, cx| {
867 let position = if let Some(line) = location.line {
868 let snapshot = buffer.read(cx).snapshot();
869 let point = snapshot.clip_point(Point::new(line, 0), Bias::Left);
870 snapshot.anchor_before(point)
871 } else {
872 Anchor::MIN
873 };
874
875 project.set_agent_location(
876 Some(AgentLocation {
877 buffer: buffer.downgrade(),
878 position,
879 }),
880 cx,
881 );
882 })
883 })
884 .detach_and_log_err(cx);
885 });
886 }
887
888 pub fn request_tool_call_permission(
889 &mut self,
890 tool_call: acp::ToolCall,
891 options: Vec<acp::PermissionOption>,
892 cx: &mut Context<Self>,
893 ) -> oneshot::Receiver<acp::PermissionOptionId> {
894 let (tx, rx) = oneshot::channel();
895
896 let status = ToolCallStatus::WaitingForConfirmation {
897 options,
898 respond_tx: tx,
899 };
900
901 self.upsert_tool_call_inner(tool_call, status, cx);
902 cx.emit(AcpThreadEvent::ToolAuthorizationRequired);
903 rx
904 }
905
906 pub fn authorize_tool_call(
907 &mut self,
908 id: acp::ToolCallId,
909 option_id: acp::PermissionOptionId,
910 option_kind: acp::PermissionOptionKind,
911 cx: &mut Context<Self>,
912 ) {
913 let Some((ix, call)) = self.tool_call_mut(&id) else {
914 return;
915 };
916
917 let new_status = match option_kind {
918 acp::PermissionOptionKind::RejectOnce | acp::PermissionOptionKind::RejectAlways => {
919 ToolCallStatus::Rejected
920 }
921 acp::PermissionOptionKind::AllowOnce | acp::PermissionOptionKind::AllowAlways => {
922 ToolCallStatus::Allowed {
923 status: acp::ToolCallStatus::InProgress,
924 }
925 }
926 };
927
928 let curr_status = mem::replace(&mut call.status, new_status);
929
930 if let ToolCallStatus::WaitingForConfirmation { respond_tx, .. } = curr_status {
931 respond_tx.send(option_id).log_err();
932 } else if cfg!(debug_assertions) {
933 panic!("tried to authorize an already authorized tool call");
934 }
935
936 cx.emit(AcpThreadEvent::EntryUpdated(ix));
937 }
938
939 /// Returns true if the last turn is awaiting tool authorization
940 pub fn waiting_for_tool_confirmation(&self) -> bool {
941 for entry in self.entries.iter().rev() {
942 match &entry {
943 AgentThreadEntry::ToolCall(call) => match call.status {
944 ToolCallStatus::WaitingForConfirmation { .. } => return true,
945 ToolCallStatus::Allowed { .. }
946 | ToolCallStatus::Rejected
947 | ToolCallStatus::Canceled => continue,
948 },
949 AgentThreadEntry::UserMessage(_) | AgentThreadEntry::AssistantMessage(_) => {
950 // Reached the beginning of the turn
951 return false;
952 }
953 }
954 }
955 false
956 }
957
958 pub fn plan(&self) -> &Plan {
959 &self.plan
960 }
961
962 pub fn update_plan(&mut self, request: acp::Plan, cx: &mut Context<Self>) {
963 self.plan = Plan {
964 entries: request
965 .entries
966 .into_iter()
967 .map(|entry| PlanEntry::from_acp(entry, cx))
968 .collect(),
969 };
970
971 cx.notify();
972 }
973
974 fn clear_completed_plan_entries(&mut self, cx: &mut Context<Self>) {
975 self.plan
976 .entries
977 .retain(|entry| !matches!(entry.status, acp::PlanEntryStatus::Completed));
978 cx.notify();
979 }
980
981 #[cfg(any(test, feature = "test-support"))]
982 pub fn send_raw(
983 &mut self,
984 message: &str,
985 cx: &mut Context<Self>,
986 ) -> BoxFuture<'static, Result<()>> {
987 self.send(
988 vec![acp::ContentBlock::Text(acp::TextContent {
989 text: message.to_string(),
990 annotations: None,
991 })],
992 cx,
993 )
994 }
995
996 pub fn send(
997 &mut self,
998 message: Vec<acp::ContentBlock>,
999 cx: &mut Context<Self>,
1000 ) -> BoxFuture<'static, Result<()>> {
1001 let block = ContentBlock::new_combined(
1002 message.clone(),
1003 self.project.read(cx).languages().clone(),
1004 cx,
1005 );
1006 self.push_entry(
1007 AgentThreadEntry::UserMessage(UserMessage { content: block }),
1008 cx,
1009 );
1010 self.clear_completed_plan_entries(cx);
1011
1012 let (tx, rx) = oneshot::channel();
1013 let cancel_task = self.cancel(cx);
1014
1015 self.send_task = Some(cx.spawn(async move |this, cx| {
1016 async {
1017 cancel_task.await;
1018
1019 let result = this
1020 .update(cx, |this, cx| {
1021 this.connection.prompt(
1022 acp::PromptRequest {
1023 prompt: message,
1024 session_id: this.session_id.clone(),
1025 },
1026 cx,
1027 )
1028 })?
1029 .await;
1030 tx.send(result).log_err();
1031 this.update(cx, |this, _cx| this.send_task.take())?;
1032 anyhow::Ok(())
1033 }
1034 .await
1035 .log_err();
1036 }));
1037
1038 cx.spawn(async move |this, cx| match rx.await {
1039 Ok(Err(e)) => {
1040 this.update(cx, |_, cx| cx.emit(AcpThreadEvent::Error))
1041 .log_err();
1042 Err(e)?
1043 }
1044 _ => {
1045 this.update(cx, |_, cx| cx.emit(AcpThreadEvent::Stopped))
1046 .log_err();
1047 Ok(())
1048 }
1049 })
1050 .boxed()
1051 }
1052
1053 pub fn cancel(&mut self, cx: &mut Context<Self>) -> Task<()> {
1054 let Some(send_task) = self.send_task.take() else {
1055 return Task::ready(());
1056 };
1057
1058 for entry in self.entries.iter_mut() {
1059 if let AgentThreadEntry::ToolCall(call) = entry {
1060 let cancel = matches!(
1061 call.status,
1062 ToolCallStatus::WaitingForConfirmation { .. }
1063 | ToolCallStatus::Allowed {
1064 status: acp::ToolCallStatus::InProgress
1065 }
1066 );
1067
1068 if cancel {
1069 call.status = ToolCallStatus::Canceled;
1070 }
1071 }
1072 }
1073
1074 self.connection.cancel(&self.session_id, cx);
1075
1076 // Wait for the send task to complete
1077 cx.foreground_executor().spawn(send_task)
1078 }
1079
1080 pub fn read_text_file(
1081 &self,
1082 path: PathBuf,
1083 line: Option<u32>,
1084 limit: Option<u32>,
1085 reuse_shared_snapshot: bool,
1086 cx: &mut Context<Self>,
1087 ) -> Task<Result<String>> {
1088 let project = self.project.clone();
1089 let action_log = self.action_log.clone();
1090 cx.spawn(async move |this, cx| {
1091 let load = project.update(cx, |project, cx| {
1092 let path = project
1093 .project_path_for_absolute_path(&path, cx)
1094 .context("invalid path")?;
1095 anyhow::Ok(project.open_buffer(path, cx))
1096 });
1097 let buffer = load??.await?;
1098
1099 let snapshot = if reuse_shared_snapshot {
1100 this.read_with(cx, |this, _| {
1101 this.shared_buffers.get(&buffer.clone()).cloned()
1102 })
1103 .log_err()
1104 .flatten()
1105 } else {
1106 None
1107 };
1108
1109 let snapshot = if let Some(snapshot) = snapshot {
1110 snapshot
1111 } else {
1112 action_log.update(cx, |action_log, cx| {
1113 action_log.buffer_read(buffer.clone(), cx);
1114 })?;
1115 project.update(cx, |project, cx| {
1116 let position = buffer
1117 .read(cx)
1118 .snapshot()
1119 .anchor_before(Point::new(line.unwrap_or_default(), 0));
1120 project.set_agent_location(
1121 Some(AgentLocation {
1122 buffer: buffer.downgrade(),
1123 position,
1124 }),
1125 cx,
1126 );
1127 })?;
1128
1129 buffer.update(cx, |buffer, _| buffer.snapshot())?
1130 };
1131
1132 this.update(cx, |this, _| {
1133 let text = snapshot.text();
1134 this.shared_buffers.insert(buffer.clone(), snapshot);
1135 if line.is_none() && limit.is_none() {
1136 return Ok(text);
1137 }
1138 let limit = limit.unwrap_or(u32::MAX) as usize;
1139 let Some(line) = line else {
1140 return Ok(text.lines().take(limit).collect::<String>());
1141 };
1142
1143 let count = text.lines().count();
1144 if count < line as usize {
1145 anyhow::bail!("There are only {} lines", count);
1146 }
1147 Ok(text
1148 .lines()
1149 .skip(line as usize + 1)
1150 .take(limit)
1151 .collect::<String>())
1152 })?
1153 })
1154 }
1155
1156 pub fn write_text_file(
1157 &self,
1158 path: PathBuf,
1159 content: String,
1160 cx: &mut Context<Self>,
1161 ) -> Task<Result<()>> {
1162 let project = self.project.clone();
1163 let action_log = self.action_log.clone();
1164 cx.spawn(async move |this, cx| {
1165 let load = project.update(cx, |project, cx| {
1166 let path = project
1167 .project_path_for_absolute_path(&path, cx)
1168 .context("invalid path")?;
1169 anyhow::Ok(project.open_buffer(path, cx))
1170 });
1171 let buffer = load??.await?;
1172 let snapshot = this.update(cx, |this, cx| {
1173 this.shared_buffers
1174 .get(&buffer)
1175 .cloned()
1176 .unwrap_or_else(|| buffer.read(cx).snapshot())
1177 })?;
1178 let edits = cx
1179 .background_executor()
1180 .spawn(async move {
1181 let old_text = snapshot.text();
1182 text_diff(old_text.as_str(), &content)
1183 .into_iter()
1184 .map(|(range, replacement)| {
1185 (
1186 snapshot.anchor_after(range.start)
1187 ..snapshot.anchor_before(range.end),
1188 replacement,
1189 )
1190 })
1191 .collect::<Vec<_>>()
1192 })
1193 .await;
1194 cx.update(|cx| {
1195 project.update(cx, |project, cx| {
1196 project.set_agent_location(
1197 Some(AgentLocation {
1198 buffer: buffer.downgrade(),
1199 position: edits
1200 .last()
1201 .map(|(range, _)| range.end)
1202 .unwrap_or(Anchor::MIN),
1203 }),
1204 cx,
1205 );
1206 });
1207
1208 action_log.update(cx, |action_log, cx| {
1209 action_log.buffer_read(buffer.clone(), cx);
1210 });
1211 buffer.update(cx, |buffer, cx| {
1212 buffer.edit(edits, None, cx);
1213 });
1214 action_log.update(cx, |action_log, cx| {
1215 action_log.buffer_edited(buffer.clone(), cx);
1216 });
1217 })?;
1218 project
1219 .update(cx, |project, cx| project.save_buffer(buffer, cx))?
1220 .await
1221 })
1222 }
1223
1224 pub fn to_markdown(&self, cx: &App) -> String {
1225 self.entries.iter().map(|e| e.to_markdown(cx)).collect()
1226 }
1227}
1228
1229#[cfg(test)]
1230mod tests {
1231 use super::*;
1232 use agentic_coding_protocol as acp_old;
1233 use anyhow::anyhow;
1234 use async_pipe::{PipeReader, PipeWriter};
1235 use futures::{channel::mpsc, future::LocalBoxFuture, select};
1236 use gpui::{AsyncApp, TestAppContext};
1237 use indoc::indoc;
1238 use project::FakeFs;
1239 use serde_json::json;
1240 use settings::SettingsStore;
1241 use smol::{future::BoxedLocal, stream::StreamExt as _};
1242 use std::{cell::RefCell, rc::Rc, time::Duration};
1243
1244 use util::path;
1245
1246 fn init_test(cx: &mut TestAppContext) {
1247 env_logger::try_init().ok();
1248 cx.update(|cx| {
1249 let settings_store = SettingsStore::test(cx);
1250 cx.set_global(settings_store);
1251 Project::init_settings(cx);
1252 language::init(cx);
1253 });
1254 }
1255
1256 #[gpui::test]
1257 async fn test_push_user_content_block(cx: &mut gpui::TestAppContext) {
1258 init_test(cx);
1259
1260 let fs = FakeFs::new(cx.executor());
1261 let project = Project::test(fs, [], cx).await;
1262 let (thread, _fake_server) = fake_acp_thread(project, cx);
1263
1264 // Test creating a new user message
1265 thread.update(cx, |thread, cx| {
1266 thread.push_user_content_block(
1267 acp::ContentBlock::Text(acp::TextContent {
1268 annotations: None,
1269 text: "Hello, ".to_string(),
1270 }),
1271 cx,
1272 );
1273 });
1274
1275 thread.update(cx, |thread, cx| {
1276 assert_eq!(thread.entries.len(), 1);
1277 if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[0] {
1278 assert_eq!(user_msg.content.to_markdown(cx), "Hello, ");
1279 } else {
1280 panic!("Expected UserMessage");
1281 }
1282 });
1283
1284 // Test appending to existing user message
1285 thread.update(cx, |thread, cx| {
1286 thread.push_user_content_block(
1287 acp::ContentBlock::Text(acp::TextContent {
1288 annotations: None,
1289 text: "world!".to_string(),
1290 }),
1291 cx,
1292 );
1293 });
1294
1295 thread.update(cx, |thread, cx| {
1296 assert_eq!(thread.entries.len(), 1);
1297 if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[0] {
1298 assert_eq!(user_msg.content.to_markdown(cx), "Hello, world!");
1299 } else {
1300 panic!("Expected UserMessage");
1301 }
1302 });
1303
1304 // Test creating new user message after assistant message
1305 thread.update(cx, |thread, cx| {
1306 thread.push_assistant_content_block(
1307 acp::ContentBlock::Text(acp::TextContent {
1308 annotations: None,
1309 text: "Assistant response".to_string(),
1310 }),
1311 false,
1312 cx,
1313 );
1314 });
1315
1316 thread.update(cx, |thread, cx| {
1317 thread.push_user_content_block(
1318 acp::ContentBlock::Text(acp::TextContent {
1319 annotations: None,
1320 text: "New user message".to_string(),
1321 }),
1322 cx,
1323 );
1324 });
1325
1326 thread.update(cx, |thread, cx| {
1327 assert_eq!(thread.entries.len(), 3);
1328 if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[2] {
1329 assert_eq!(user_msg.content.to_markdown(cx), "New user message");
1330 } else {
1331 panic!("Expected UserMessage at index 2");
1332 }
1333 });
1334 }
1335
1336 #[gpui::test]
1337 async fn test_thinking_concatenation(cx: &mut gpui::TestAppContext) {
1338 init_test(cx);
1339
1340 let fs = FakeFs::new(cx.executor());
1341 let project = Project::test(fs, [], cx).await;
1342 let (thread, fake_server) = fake_acp_thread(project, cx);
1343
1344 fake_server.update(cx, |fake_server, _| {
1345 fake_server.on_user_message(move |_, server, mut cx| async move {
1346 server
1347 .update(&mut cx, |server, _| {
1348 server.send_to_zed(acp_old::StreamAssistantMessageChunkParams {
1349 chunk: acp_old::AssistantMessageChunk::Thought {
1350 thought: "Thinking ".into(),
1351 },
1352 })
1353 })?
1354 .await
1355 .unwrap();
1356 server
1357 .update(&mut cx, |server, _| {
1358 server.send_to_zed(acp_old::StreamAssistantMessageChunkParams {
1359 chunk: acp_old::AssistantMessageChunk::Thought {
1360 thought: "hard!".into(),
1361 },
1362 })
1363 })?
1364 .await
1365 .unwrap();
1366
1367 Ok(())
1368 })
1369 });
1370
1371 thread
1372 .update(cx, |thread, cx| thread.send_raw("Hello from Zed!", cx))
1373 .await
1374 .unwrap();
1375
1376 let output = thread.read_with(cx, |thread, cx| thread.to_markdown(cx));
1377 assert_eq!(
1378 output,
1379 indoc! {r#"
1380 ## User
1381
1382 Hello from Zed!
1383
1384 ## Assistant
1385
1386 <thinking>
1387 Thinking hard!
1388 </thinking>
1389
1390 "#}
1391 );
1392 }
1393
1394 #[gpui::test]
1395 async fn test_edits_concurrently_to_user(cx: &mut TestAppContext) {
1396 init_test(cx);
1397
1398 let fs = FakeFs::new(cx.executor());
1399 fs.insert_tree(path!("/tmp"), json!({"foo": "one\ntwo\nthree\n"}))
1400 .await;
1401 let project = Project::test(fs.clone(), [], cx).await;
1402 let (thread, fake_server) = fake_acp_thread(project.clone(), cx);
1403 let (worktree, pathbuf) = project
1404 .update(cx, |project, cx| {
1405 project.find_or_create_worktree(path!("/tmp/foo"), true, cx)
1406 })
1407 .await
1408 .unwrap();
1409 let buffer = project
1410 .update(cx, |project, cx| {
1411 project.open_buffer((worktree.read(cx).id(), pathbuf), cx)
1412 })
1413 .await
1414 .unwrap();
1415
1416 let (read_file_tx, read_file_rx) = oneshot::channel::<()>();
1417 let read_file_tx = Rc::new(RefCell::new(Some(read_file_tx)));
1418
1419 fake_server.update(cx, |fake_server, _| {
1420 fake_server.on_user_message(move |_, server, mut cx| {
1421 let read_file_tx = read_file_tx.clone();
1422 async move {
1423 let content = server
1424 .update(&mut cx, |server, _| {
1425 server.send_to_zed(acp_old::ReadTextFileParams {
1426 path: path!("/tmp/foo").into(),
1427 line: None,
1428 limit: None,
1429 })
1430 })?
1431 .await
1432 .unwrap();
1433 assert_eq!(content.content, "one\ntwo\nthree\n");
1434 read_file_tx.take().unwrap().send(()).unwrap();
1435 server
1436 .update(&mut cx, |server, _| {
1437 server.send_to_zed(acp_old::WriteTextFileParams {
1438 path: path!("/tmp/foo").into(),
1439 content: "one\ntwo\nthree\nfour\nfive\n".to_string(),
1440 })
1441 })?
1442 .await
1443 .unwrap();
1444 Ok(())
1445 }
1446 })
1447 });
1448
1449 let request = thread.update(cx, |thread, cx| {
1450 thread.send_raw("Extend the count in /tmp/foo", cx)
1451 });
1452 read_file_rx.await.ok();
1453 buffer.update(cx, |buffer, cx| {
1454 buffer.edit([(0..0, "zero\n".to_string())], None, cx);
1455 });
1456 cx.run_until_parked();
1457 assert_eq!(
1458 buffer.read_with(cx, |buffer, _| buffer.text()),
1459 "zero\none\ntwo\nthree\nfour\nfive\n"
1460 );
1461 assert_eq!(
1462 String::from_utf8(fs.read_file_sync(path!("/tmp/foo")).unwrap()).unwrap(),
1463 "zero\none\ntwo\nthree\nfour\nfive\n"
1464 );
1465 request.await.unwrap();
1466 }
1467
1468 #[gpui::test]
1469 async fn test_succeeding_canceled_toolcall(cx: &mut TestAppContext) {
1470 init_test(cx);
1471
1472 let fs = FakeFs::new(cx.executor());
1473 let project = Project::test(fs, [], cx).await;
1474 let (thread, fake_server) = fake_acp_thread(project, cx);
1475
1476 let (end_turn_tx, end_turn_rx) = oneshot::channel::<()>();
1477
1478 let tool_call_id = Rc::new(RefCell::new(None));
1479 let end_turn_rx = Rc::new(RefCell::new(Some(end_turn_rx)));
1480 fake_server.update(cx, |fake_server, _| {
1481 let tool_call_id = tool_call_id.clone();
1482 fake_server.on_user_message(move |_, server, mut cx| {
1483 let end_turn_rx = end_turn_rx.clone();
1484 let tool_call_id = tool_call_id.clone();
1485 async move {
1486 let tool_call_result = server
1487 .update(&mut cx, |server, _| {
1488 server.send_to_zed(acp_old::PushToolCallParams {
1489 label: "Fetch".to_string(),
1490 icon: acp_old::Icon::Globe,
1491 content: None,
1492 locations: vec![],
1493 })
1494 })?
1495 .await
1496 .unwrap();
1497 *tool_call_id.clone().borrow_mut() = Some(tool_call_result.id);
1498 end_turn_rx.take().unwrap().await.ok();
1499
1500 Ok(())
1501 }
1502 })
1503 });
1504
1505 let request = thread.update(cx, |thread, cx| {
1506 thread.send_raw("Fetch https://example.com", cx)
1507 });
1508
1509 run_until_first_tool_call(&thread, cx).await;
1510
1511 thread.read_with(cx, |thread, _| {
1512 assert!(matches!(
1513 thread.entries[1],
1514 AgentThreadEntry::ToolCall(ToolCall {
1515 status: ToolCallStatus::Allowed {
1516 status: acp::ToolCallStatus::InProgress,
1517 ..
1518 },
1519 ..
1520 })
1521 ));
1522 });
1523
1524 cx.run_until_parked();
1525
1526 thread.update(cx, |thread, cx| thread.cancel(cx)).await;
1527
1528 thread.read_with(cx, |thread, _| {
1529 assert!(matches!(
1530 &thread.entries[1],
1531 AgentThreadEntry::ToolCall(ToolCall {
1532 status: ToolCallStatus::Canceled,
1533 ..
1534 })
1535 ));
1536 });
1537
1538 fake_server
1539 .update(cx, |fake_server, _| {
1540 fake_server.send_to_zed(acp_old::UpdateToolCallParams {
1541 tool_call_id: tool_call_id.borrow().unwrap(),
1542 status: acp_old::ToolCallStatus::Finished,
1543 content: None,
1544 })
1545 })
1546 .await
1547 .unwrap();
1548
1549 drop(end_turn_tx);
1550 assert!(request.await.unwrap_err().to_string().contains("canceled"));
1551
1552 thread.read_with(cx, |thread, _| {
1553 assert!(matches!(
1554 thread.entries[1],
1555 AgentThreadEntry::ToolCall(ToolCall {
1556 status: ToolCallStatus::Allowed {
1557 status: acp::ToolCallStatus::Completed,
1558 ..
1559 },
1560 ..
1561 })
1562 ));
1563 });
1564 }
1565
1566 async fn run_until_first_tool_call(
1567 thread: &Entity<AcpThread>,
1568 cx: &mut TestAppContext,
1569 ) -> usize {
1570 let (mut tx, mut rx) = mpsc::channel::<usize>(1);
1571
1572 let subscription = cx.update(|cx| {
1573 cx.subscribe(thread, move |thread, _, cx| {
1574 for (ix, entry) in thread.read(cx).entries.iter().enumerate() {
1575 if matches!(entry, AgentThreadEntry::ToolCall(_)) {
1576 return tx.try_send(ix).unwrap();
1577 }
1578 }
1579 })
1580 });
1581
1582 select! {
1583 _ = futures::FutureExt::fuse(smol::Timer::after(Duration::from_secs(10))) => {
1584 panic!("Timeout waiting for tool call")
1585 }
1586 ix = rx.next().fuse() => {
1587 drop(subscription);
1588 ix.unwrap()
1589 }
1590 }
1591 }
1592
1593 pub fn fake_acp_thread(
1594 project: Entity<Project>,
1595 cx: &mut TestAppContext,
1596 ) -> (Entity<AcpThread>, Entity<FakeAcpServer>) {
1597 let (stdin_tx, stdin_rx) = async_pipe::pipe();
1598 let (stdout_tx, stdout_rx) = async_pipe::pipe();
1599
1600 let thread = cx.new(|cx| {
1601 let foreground_executor = cx.foreground_executor().clone();
1602 let thread_rc = Rc::new(RefCell::new(cx.entity().downgrade()));
1603
1604 let (connection, io_fut) = acp_old::AgentConnection::connect_to_agent(
1605 OldAcpClientDelegate::new(thread_rc.clone(), cx.to_async()),
1606 stdin_tx,
1607 stdout_rx,
1608 move |fut| {
1609 foreground_executor.spawn(fut).detach();
1610 },
1611 );
1612
1613 let io_task = cx.background_spawn({
1614 async move {
1615 io_fut.await.log_err();
1616 Ok(())
1617 }
1618 });
1619 let connection = OldAcpAgentConnection {
1620 name: "test",
1621 connection,
1622 child_status: io_task,
1623 current_thread: thread_rc,
1624 auth_methods: [acp::AuthMethod {
1625 id: acp::AuthMethodId("acp-old-no-id".into()),
1626 label: "Log in".into(),
1627 description: None,
1628 }],
1629 };
1630
1631 AcpThread::new(
1632 "test",
1633 Rc::new(connection),
1634 project,
1635 acp::SessionId("test".into()),
1636 cx,
1637 )
1638 });
1639 let agent = cx.update(|cx| cx.new(|cx| FakeAcpServer::new(stdin_rx, stdout_tx, cx)));
1640 (thread, agent)
1641 }
1642
1643 pub struct FakeAcpServer {
1644 connection: acp_old::ClientConnection,
1645
1646 _io_task: Task<()>,
1647 on_user_message: Option<
1648 Rc<
1649 dyn Fn(
1650 acp_old::SendUserMessageParams,
1651 Entity<FakeAcpServer>,
1652 AsyncApp,
1653 ) -> LocalBoxFuture<'static, Result<(), acp_old::Error>>,
1654 >,
1655 >,
1656 }
1657
1658 #[derive(Clone)]
1659 struct FakeAgent {
1660 server: Entity<FakeAcpServer>,
1661 cx: AsyncApp,
1662 cancel_tx: Rc<RefCell<Option<oneshot::Sender<()>>>>,
1663 }
1664
1665 impl acp_old::Agent for FakeAgent {
1666 async fn initialize(
1667 &self,
1668 params: acp_old::InitializeParams,
1669 ) -> Result<acp_old::InitializeResponse, acp_old::Error> {
1670 Ok(acp_old::InitializeResponse {
1671 protocol_version: params.protocol_version,
1672 is_authenticated: true,
1673 })
1674 }
1675
1676 async fn authenticate(&self) -> Result<(), acp_old::Error> {
1677 Ok(())
1678 }
1679
1680 async fn cancel_send_message(&self) -> Result<(), acp_old::Error> {
1681 if let Some(cancel_tx) = self.cancel_tx.take() {
1682 cancel_tx.send(()).log_err();
1683 }
1684 Ok(())
1685 }
1686
1687 async fn send_user_message(
1688 &self,
1689 request: acp_old::SendUserMessageParams,
1690 ) -> Result<(), acp_old::Error> {
1691 let (cancel_tx, cancel_rx) = oneshot::channel();
1692 self.cancel_tx.replace(Some(cancel_tx));
1693
1694 let mut cx = self.cx.clone();
1695 let handler = self
1696 .server
1697 .update(&mut cx, |server, _| server.on_user_message.clone())
1698 .ok()
1699 .flatten();
1700 if let Some(handler) = handler {
1701 select! {
1702 _ = cancel_rx.fuse() => Err(anyhow::anyhow!("Message sending canceled").into()),
1703 _ = handler(request, self.server.clone(), self.cx.clone()).fuse() => Ok(()),
1704 }
1705 } else {
1706 Err(anyhow::anyhow!("No handler for on_user_message").into())
1707 }
1708 }
1709 }
1710
1711 impl FakeAcpServer {
1712 fn new(stdin: PipeReader, stdout: PipeWriter, cx: &Context<Self>) -> Self {
1713 let agent = FakeAgent {
1714 server: cx.entity(),
1715 cx: cx.to_async(),
1716 cancel_tx: Default::default(),
1717 };
1718 let foreground_executor = cx.foreground_executor().clone();
1719
1720 let (connection, io_fut) = acp_old::ClientConnection::connect_to_client(
1721 agent.clone(),
1722 stdout,
1723 stdin,
1724 move |fut| {
1725 foreground_executor.spawn(fut).detach();
1726 },
1727 );
1728 FakeAcpServer {
1729 connection: connection,
1730 on_user_message: None,
1731 _io_task: cx.background_spawn(async move {
1732 io_fut.await.log_err();
1733 }),
1734 }
1735 }
1736
1737 fn on_user_message<F>(
1738 &mut self,
1739 handler: impl for<'a> Fn(
1740 acp_old::SendUserMessageParams,
1741 Entity<FakeAcpServer>,
1742 AsyncApp,
1743 ) -> F
1744 + 'static,
1745 ) where
1746 F: Future<Output = Result<(), acp_old::Error>> + 'static,
1747 {
1748 self.on_user_message
1749 .replace(Rc::new(move |request, server, cx| {
1750 handler(request, server, cx).boxed_local()
1751 }));
1752 }
1753
1754 fn send_to_zed<T: acp_old::ClientRequest + 'static>(
1755 &self,
1756 message: T,
1757 ) -> BoxedLocal<Result<T::Response>> {
1758 self.connection
1759 .request(message)
1760 .map(|f| f.map_err(|err| anyhow!(err)))
1761 .boxed_local()
1762 }
1763 }
1764}