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