1#[cfg(test)]
2mod assistant_context_tests;
3mod context_store;
4
5use agent_settings::AgentSettings;
6use anyhow::{Context as _, Result, bail};
7use assistant_slash_command::{
8 SlashCommandContent, SlashCommandEvent, SlashCommandLine, SlashCommandOutputSection,
9 SlashCommandResult, SlashCommandWorkingSet,
10};
11use assistant_slash_commands::FileCommandMetadata;
12use client::{self, Client, proto, telemetry::Telemetry};
13use clock::ReplicaId;
14use collections::{HashMap, HashSet};
15use fs::{Fs, RenameOptions};
16use futures::{FutureExt, StreamExt, future::Shared};
17use gpui::{
18 App, AppContext as _, Context, Entity, EventEmitter, RenderImage, SharedString, Subscription,
19 Task,
20};
21use language::{AnchorRangeExt, Bias, Buffer, LanguageRegistry, OffsetRangeExt, Point, ToOffset};
22use language_model::{
23 LanguageModel, LanguageModelCacheConfiguration, LanguageModelCompletionEvent,
24 LanguageModelImage, LanguageModelRegistry, LanguageModelRequest, LanguageModelRequestMessage,
25 LanguageModelToolUseId, MessageContent, PaymentRequiredError, Role, StopReason,
26 report_assistant_event,
27};
28use open_ai::Model as OpenAiModel;
29use paths::contexts_dir;
30use project::Project;
31use prompt_store::PromptBuilder;
32use serde::{Deserialize, Serialize};
33use settings::Settings;
34use smallvec::SmallVec;
35use std::{
36 cmp::{Ordering, max},
37 fmt::{Debug, Write as _},
38 iter, mem,
39 ops::Range,
40 path::Path,
41 sync::Arc,
42 time::{Duration, Instant},
43};
44use telemetry_events::{AssistantEventData, AssistantKind, AssistantPhase};
45use text::{BufferSnapshot, ToPoint};
46use ui::IconName;
47use util::{ResultExt, TryFutureExt, post_inc};
48use uuid::Uuid;
49use zed_llm_client::CompletionIntent;
50
51pub use crate::context_store::*;
52
53pub fn init(client: Arc<Client>, _: &mut App) {
54 context_store::init(&client.into());
55}
56
57#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord, Serialize, Deserialize)]
58pub struct ContextId(String);
59
60impl ContextId {
61 pub fn new() -> Self {
62 Self(Uuid::new_v4().to_string())
63 }
64
65 pub fn from_proto(id: String) -> Self {
66 Self(id)
67 }
68
69 pub fn to_proto(&self) -> String {
70 self.0.clone()
71 }
72}
73
74#[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
75pub struct MessageId(pub clock::Lamport);
76
77impl MessageId {
78 pub fn as_u64(self) -> u64 {
79 self.0.as_u64()
80 }
81}
82
83#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
84pub enum MessageStatus {
85 Pending,
86 Done,
87 Error(SharedString),
88 Canceled,
89}
90
91impl MessageStatus {
92 pub fn from_proto(status: proto::ContextMessageStatus) -> MessageStatus {
93 match status.variant {
94 Some(proto::context_message_status::Variant::Pending(_)) => MessageStatus::Pending,
95 Some(proto::context_message_status::Variant::Done(_)) => MessageStatus::Done,
96 Some(proto::context_message_status::Variant::Error(error)) => {
97 MessageStatus::Error(error.message.into())
98 }
99 Some(proto::context_message_status::Variant::Canceled(_)) => MessageStatus::Canceled,
100 None => MessageStatus::Pending,
101 }
102 }
103
104 pub fn to_proto(&self) -> proto::ContextMessageStatus {
105 match self {
106 MessageStatus::Pending => proto::ContextMessageStatus {
107 variant: Some(proto::context_message_status::Variant::Pending(
108 proto::context_message_status::Pending {},
109 )),
110 },
111 MessageStatus::Done => proto::ContextMessageStatus {
112 variant: Some(proto::context_message_status::Variant::Done(
113 proto::context_message_status::Done {},
114 )),
115 },
116 MessageStatus::Error(message) => proto::ContextMessageStatus {
117 variant: Some(proto::context_message_status::Variant::Error(
118 proto::context_message_status::Error {
119 message: message.to_string(),
120 },
121 )),
122 },
123 MessageStatus::Canceled => proto::ContextMessageStatus {
124 variant: Some(proto::context_message_status::Variant::Canceled(
125 proto::context_message_status::Canceled {},
126 )),
127 },
128 }
129 }
130}
131
132#[derive(Clone, Debug)]
133pub enum ContextOperation {
134 InsertMessage {
135 anchor: MessageAnchor,
136 metadata: MessageMetadata,
137 version: clock::Global,
138 },
139 UpdateMessage {
140 message_id: MessageId,
141 metadata: MessageMetadata,
142 version: clock::Global,
143 },
144 UpdateSummary {
145 summary: ContextSummaryContent,
146 version: clock::Global,
147 },
148 SlashCommandStarted {
149 id: InvokedSlashCommandId,
150 output_range: Range<language::Anchor>,
151 name: String,
152 version: clock::Global,
153 },
154 SlashCommandFinished {
155 id: InvokedSlashCommandId,
156 timestamp: clock::Lamport,
157 error_message: Option<String>,
158 version: clock::Global,
159 },
160 SlashCommandOutputSectionAdded {
161 timestamp: clock::Lamport,
162 section: SlashCommandOutputSection<language::Anchor>,
163 version: clock::Global,
164 },
165 ThoughtProcessOutputSectionAdded {
166 timestamp: clock::Lamport,
167 section: ThoughtProcessOutputSection<language::Anchor>,
168 version: clock::Global,
169 },
170 BufferOperation(language::Operation),
171}
172
173impl ContextOperation {
174 pub fn from_proto(op: proto::ContextOperation) -> Result<Self> {
175 match op.variant.context("invalid variant")? {
176 proto::context_operation::Variant::InsertMessage(insert) => {
177 let message = insert.message.context("invalid message")?;
178 let id = MessageId(language::proto::deserialize_timestamp(
179 message.id.context("invalid id")?,
180 ));
181 Ok(Self::InsertMessage {
182 anchor: MessageAnchor {
183 id,
184 start: language::proto::deserialize_anchor(
185 message.start.context("invalid anchor")?,
186 )
187 .context("invalid anchor")?,
188 },
189 metadata: MessageMetadata {
190 role: Role::from_proto(message.role),
191 status: MessageStatus::from_proto(
192 message.status.context("invalid status")?,
193 ),
194 timestamp: id.0,
195 cache: None,
196 },
197 version: language::proto::deserialize_version(&insert.version),
198 })
199 }
200 proto::context_operation::Variant::UpdateMessage(update) => Ok(Self::UpdateMessage {
201 message_id: MessageId(language::proto::deserialize_timestamp(
202 update.message_id.context("invalid message id")?,
203 )),
204 metadata: MessageMetadata {
205 role: Role::from_proto(update.role),
206 status: MessageStatus::from_proto(update.status.context("invalid status")?),
207 timestamp: language::proto::deserialize_timestamp(
208 update.timestamp.context("invalid timestamp")?,
209 ),
210 cache: None,
211 },
212 version: language::proto::deserialize_version(&update.version),
213 }),
214 proto::context_operation::Variant::UpdateSummary(update) => Ok(Self::UpdateSummary {
215 summary: ContextSummaryContent {
216 text: update.summary,
217 done: update.done,
218 timestamp: language::proto::deserialize_timestamp(
219 update.timestamp.context("invalid timestamp")?,
220 ),
221 },
222 version: language::proto::deserialize_version(&update.version),
223 }),
224 proto::context_operation::Variant::SlashCommandStarted(message) => {
225 Ok(Self::SlashCommandStarted {
226 id: InvokedSlashCommandId(language::proto::deserialize_timestamp(
227 message.id.context("invalid id")?,
228 )),
229 output_range: language::proto::deserialize_anchor_range(
230 message.output_range.context("invalid range")?,
231 )?,
232 name: message.name,
233 version: language::proto::deserialize_version(&message.version),
234 })
235 }
236 proto::context_operation::Variant::SlashCommandOutputSectionAdded(message) => {
237 let section = message.section.context("missing section")?;
238 Ok(Self::SlashCommandOutputSectionAdded {
239 timestamp: language::proto::deserialize_timestamp(
240 message.timestamp.context("missing timestamp")?,
241 ),
242 section: SlashCommandOutputSection {
243 range: language::proto::deserialize_anchor_range(
244 section.range.context("invalid range")?,
245 )?,
246 icon: section.icon_name.parse()?,
247 label: section.label.into(),
248 metadata: section
249 .metadata
250 .and_then(|metadata| serde_json::from_str(&metadata).log_err()),
251 },
252 version: language::proto::deserialize_version(&message.version),
253 })
254 }
255 proto::context_operation::Variant::SlashCommandCompleted(message) => {
256 Ok(Self::SlashCommandFinished {
257 id: InvokedSlashCommandId(language::proto::deserialize_timestamp(
258 message.id.context("invalid id")?,
259 )),
260 timestamp: language::proto::deserialize_timestamp(
261 message.timestamp.context("missing timestamp")?,
262 ),
263 error_message: message.error_message,
264 version: language::proto::deserialize_version(&message.version),
265 })
266 }
267 proto::context_operation::Variant::ThoughtProcessOutputSectionAdded(message) => {
268 let section = message.section.context("missing section")?;
269 Ok(Self::ThoughtProcessOutputSectionAdded {
270 timestamp: language::proto::deserialize_timestamp(
271 message.timestamp.context("missing timestamp")?,
272 ),
273 section: ThoughtProcessOutputSection {
274 range: language::proto::deserialize_anchor_range(
275 section.range.context("invalid range")?,
276 )?,
277 },
278 version: language::proto::deserialize_version(&message.version),
279 })
280 }
281 proto::context_operation::Variant::BufferOperation(op) => Ok(Self::BufferOperation(
282 language::proto::deserialize_operation(
283 op.operation.context("invalid buffer operation")?,
284 )?,
285 )),
286 }
287 }
288
289 pub fn to_proto(&self) -> proto::ContextOperation {
290 match self {
291 Self::InsertMessage {
292 anchor,
293 metadata,
294 version,
295 } => proto::ContextOperation {
296 variant: Some(proto::context_operation::Variant::InsertMessage(
297 proto::context_operation::InsertMessage {
298 message: Some(proto::ContextMessage {
299 id: Some(language::proto::serialize_timestamp(anchor.id.0)),
300 start: Some(language::proto::serialize_anchor(&anchor.start)),
301 role: metadata.role.to_proto() as i32,
302 status: Some(metadata.status.to_proto()),
303 }),
304 version: language::proto::serialize_version(version),
305 },
306 )),
307 },
308 Self::UpdateMessage {
309 message_id,
310 metadata,
311 version,
312 } => proto::ContextOperation {
313 variant: Some(proto::context_operation::Variant::UpdateMessage(
314 proto::context_operation::UpdateMessage {
315 message_id: Some(language::proto::serialize_timestamp(message_id.0)),
316 role: metadata.role.to_proto() as i32,
317 status: Some(metadata.status.to_proto()),
318 timestamp: Some(language::proto::serialize_timestamp(metadata.timestamp)),
319 version: language::proto::serialize_version(version),
320 },
321 )),
322 },
323 Self::UpdateSummary { summary, version } => proto::ContextOperation {
324 variant: Some(proto::context_operation::Variant::UpdateSummary(
325 proto::context_operation::UpdateSummary {
326 summary: summary.text.clone(),
327 done: summary.done,
328 timestamp: Some(language::proto::serialize_timestamp(summary.timestamp)),
329 version: language::proto::serialize_version(version),
330 },
331 )),
332 },
333 Self::SlashCommandStarted {
334 id,
335 output_range,
336 name,
337 version,
338 } => proto::ContextOperation {
339 variant: Some(proto::context_operation::Variant::SlashCommandStarted(
340 proto::context_operation::SlashCommandStarted {
341 id: Some(language::proto::serialize_timestamp(id.0)),
342 output_range: Some(language::proto::serialize_anchor_range(
343 output_range.clone(),
344 )),
345 name: name.clone(),
346 version: language::proto::serialize_version(version),
347 },
348 )),
349 },
350 Self::SlashCommandOutputSectionAdded {
351 timestamp,
352 section,
353 version,
354 } => proto::ContextOperation {
355 variant: Some(
356 proto::context_operation::Variant::SlashCommandOutputSectionAdded(
357 proto::context_operation::SlashCommandOutputSectionAdded {
358 timestamp: Some(language::proto::serialize_timestamp(*timestamp)),
359 section: Some({
360 let icon_name: &'static str = section.icon.into();
361 proto::SlashCommandOutputSection {
362 range: Some(language::proto::serialize_anchor_range(
363 section.range.clone(),
364 )),
365 icon_name: icon_name.to_string(),
366 label: section.label.to_string(),
367 metadata: section.metadata.as_ref().and_then(|metadata| {
368 serde_json::to_string(metadata).log_err()
369 }),
370 }
371 }),
372 version: language::proto::serialize_version(version),
373 },
374 ),
375 ),
376 },
377 Self::SlashCommandFinished {
378 id,
379 timestamp,
380 error_message,
381 version,
382 } => proto::ContextOperation {
383 variant: Some(proto::context_operation::Variant::SlashCommandCompleted(
384 proto::context_operation::SlashCommandCompleted {
385 id: Some(language::proto::serialize_timestamp(id.0)),
386 timestamp: Some(language::proto::serialize_timestamp(*timestamp)),
387 error_message: error_message.clone(),
388 version: language::proto::serialize_version(version),
389 },
390 )),
391 },
392 Self::ThoughtProcessOutputSectionAdded {
393 timestamp,
394 section,
395 version,
396 } => proto::ContextOperation {
397 variant: Some(
398 proto::context_operation::Variant::ThoughtProcessOutputSectionAdded(
399 proto::context_operation::ThoughtProcessOutputSectionAdded {
400 timestamp: Some(language::proto::serialize_timestamp(*timestamp)),
401 section: Some({
402 proto::ThoughtProcessOutputSection {
403 range: Some(language::proto::serialize_anchor_range(
404 section.range.clone(),
405 )),
406 }
407 }),
408 version: language::proto::serialize_version(version),
409 },
410 ),
411 ),
412 },
413 Self::BufferOperation(operation) => proto::ContextOperation {
414 variant: Some(proto::context_operation::Variant::BufferOperation(
415 proto::context_operation::BufferOperation {
416 operation: Some(language::proto::serialize_operation(operation)),
417 },
418 )),
419 },
420 }
421 }
422
423 fn timestamp(&self) -> clock::Lamport {
424 match self {
425 Self::InsertMessage { anchor, .. } => anchor.id.0,
426 Self::UpdateMessage { metadata, .. } => metadata.timestamp,
427 Self::UpdateSummary { summary, .. } => summary.timestamp,
428 Self::SlashCommandStarted { id, .. } => id.0,
429 Self::SlashCommandOutputSectionAdded { timestamp, .. }
430 | Self::SlashCommandFinished { timestamp, .. }
431 | Self::ThoughtProcessOutputSectionAdded { timestamp, .. } => *timestamp,
432 Self::BufferOperation(_) => {
433 panic!("reading the timestamp of a buffer operation is not supported")
434 }
435 }
436 }
437
438 /// Returns the current version of the context operation.
439 pub fn version(&self) -> &clock::Global {
440 match self {
441 Self::InsertMessage { version, .. }
442 | Self::UpdateMessage { version, .. }
443 | Self::UpdateSummary { version, .. }
444 | Self::SlashCommandStarted { version, .. }
445 | Self::SlashCommandOutputSectionAdded { version, .. }
446 | Self::SlashCommandFinished { version, .. }
447 | Self::ThoughtProcessOutputSectionAdded { version, .. } => version,
448 Self::BufferOperation(_) => {
449 panic!("reading the version of a buffer operation is not supported")
450 }
451 }
452 }
453}
454
455#[derive(Debug, Clone)]
456pub enum ContextEvent {
457 ShowAssistError(SharedString),
458 ShowPaymentRequiredError,
459 MessagesEdited,
460 SummaryChanged,
461 SummaryGenerated,
462 PathChanged {
463 old_path: Option<Arc<Path>>,
464 new_path: Arc<Path>,
465 },
466 StreamedCompletion,
467 StartedThoughtProcess(Range<language::Anchor>),
468 EndedThoughtProcess(language::Anchor),
469 InvokedSlashCommandChanged {
470 command_id: InvokedSlashCommandId,
471 },
472 ParsedSlashCommandsUpdated {
473 removed: Vec<Range<language::Anchor>>,
474 updated: Vec<ParsedSlashCommand>,
475 },
476 SlashCommandOutputSectionAdded {
477 section: SlashCommandOutputSection<language::Anchor>,
478 },
479 Operation(ContextOperation),
480}
481
482#[derive(Clone, Debug, Eq, PartialEq)]
483pub enum ContextSummary {
484 Pending,
485 Content(ContextSummaryContent),
486 Error,
487}
488
489#[derive(Default, Clone, Debug, Eq, PartialEq)]
490pub struct ContextSummaryContent {
491 pub text: String,
492 pub done: bool,
493 pub timestamp: clock::Lamport,
494}
495
496impl ContextSummary {
497 pub const DEFAULT: &str = "New Text Thread";
498
499 pub fn or_default(&self) -> SharedString {
500 self.unwrap_or(Self::DEFAULT)
501 }
502
503 pub fn unwrap_or(&self, message: impl Into<SharedString>) -> SharedString {
504 self.content()
505 .map_or_else(|| message.into(), |content| content.text.clone().into())
506 }
507
508 pub fn content(&self) -> Option<&ContextSummaryContent> {
509 match self {
510 ContextSummary::Content(content) => Some(content),
511 ContextSummary::Pending | ContextSummary::Error => None,
512 }
513 }
514
515 fn content_as_mut(&mut self) -> Option<&mut ContextSummaryContent> {
516 match self {
517 ContextSummary::Content(content) => Some(content),
518 ContextSummary::Pending | ContextSummary::Error => None,
519 }
520 }
521
522 fn content_or_set_empty(&mut self) -> &mut ContextSummaryContent {
523 match self {
524 ContextSummary::Content(content) => content,
525 ContextSummary::Pending | ContextSummary::Error => {
526 let content = ContextSummaryContent::default();
527 *self = ContextSummary::Content(content);
528 self.content_as_mut().unwrap()
529 }
530 }
531 }
532
533 pub fn is_pending(&self) -> bool {
534 matches!(self, ContextSummary::Pending)
535 }
536
537 fn timestamp(&self) -> Option<clock::Lamport> {
538 match self {
539 ContextSummary::Content(content) => Some(content.timestamp),
540 ContextSummary::Pending | ContextSummary::Error => None,
541 }
542 }
543}
544
545impl PartialOrd for ContextSummary {
546 fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
547 self.timestamp().partial_cmp(&other.timestamp())
548 }
549}
550
551#[derive(Clone, Debug, Eq, PartialEq)]
552pub struct MessageAnchor {
553 pub id: MessageId,
554 pub start: language::Anchor,
555}
556
557#[derive(Clone, Debug, Eq, PartialEq)]
558pub enum CacheStatus {
559 Pending,
560 Cached,
561}
562
563#[derive(Clone, Debug, Eq, PartialEq)]
564pub struct MessageCacheMetadata {
565 pub is_anchor: bool,
566 pub is_final_anchor: bool,
567 pub status: CacheStatus,
568 pub cached_at: clock::Global,
569}
570
571#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
572pub struct MessageMetadata {
573 pub role: Role,
574 pub status: MessageStatus,
575 pub timestamp: clock::Lamport,
576 #[serde(skip)]
577 pub cache: Option<MessageCacheMetadata>,
578}
579
580impl From<&Message> for MessageMetadata {
581 fn from(message: &Message) -> Self {
582 Self {
583 role: message.role,
584 status: message.status.clone(),
585 timestamp: message.id.0,
586 cache: message.cache.clone(),
587 }
588 }
589}
590
591impl MessageMetadata {
592 pub fn is_cache_valid(&self, buffer: &BufferSnapshot, range: &Range<usize>) -> bool {
593 let result = match &self.cache {
594 Some(MessageCacheMetadata { cached_at, .. }) => !buffer.has_edits_since_in_range(
595 &cached_at,
596 Range {
597 start: buffer.anchor_at(range.start, Bias::Right),
598 end: buffer.anchor_at(range.end, Bias::Left),
599 },
600 ),
601 _ => false,
602 };
603 result
604 }
605}
606
607#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
608pub struct ThoughtProcessOutputSection<T> {
609 pub range: Range<T>,
610}
611
612impl ThoughtProcessOutputSection<language::Anchor> {
613 pub fn is_valid(&self, buffer: &language::TextBuffer) -> bool {
614 self.range.start.is_valid(buffer) && !self.range.to_offset(buffer).is_empty()
615 }
616}
617
618#[derive(Clone, Debug)]
619pub struct Message {
620 pub offset_range: Range<usize>,
621 pub index_range: Range<usize>,
622 pub anchor_range: Range<language::Anchor>,
623 pub id: MessageId,
624 pub role: Role,
625 pub status: MessageStatus,
626 pub cache: Option<MessageCacheMetadata>,
627}
628
629#[derive(Debug, Clone)]
630pub enum Content {
631 Image {
632 anchor: language::Anchor,
633 image_id: u64,
634 render_image: Arc<RenderImage>,
635 image: Shared<Task<Option<LanguageModelImage>>>,
636 },
637}
638
639impl Content {
640 fn range(&self) -> Range<language::Anchor> {
641 match self {
642 Self::Image { anchor, .. } => *anchor..*anchor,
643 }
644 }
645
646 fn cmp(&self, other: &Self, buffer: &BufferSnapshot) -> Ordering {
647 let self_range = self.range();
648 let other_range = other.range();
649 if self_range.end.cmp(&other_range.start, buffer).is_lt() {
650 Ordering::Less
651 } else if self_range.start.cmp(&other_range.end, buffer).is_gt() {
652 Ordering::Greater
653 } else {
654 Ordering::Equal
655 }
656 }
657}
658
659struct PendingCompletion {
660 id: usize,
661 assistant_message_id: MessageId,
662 _task: Task<()>,
663}
664
665#[derive(Copy, Clone, Debug, Hash, Eq, PartialEq)]
666pub struct InvokedSlashCommandId(clock::Lamport);
667
668pub struct AssistantContext {
669 id: ContextId,
670 timestamp: clock::Lamport,
671 version: clock::Global,
672 pending_ops: Vec<ContextOperation>,
673 operations: Vec<ContextOperation>,
674 buffer: Entity<Buffer>,
675 parsed_slash_commands: Vec<ParsedSlashCommand>,
676 invoked_slash_commands: HashMap<InvokedSlashCommandId, InvokedSlashCommand>,
677 edits_since_last_parse: language::Subscription,
678 slash_commands: Arc<SlashCommandWorkingSet>,
679 slash_command_output_sections: Vec<SlashCommandOutputSection<language::Anchor>>,
680 thought_process_output_sections: Vec<ThoughtProcessOutputSection<language::Anchor>>,
681 message_anchors: Vec<MessageAnchor>,
682 contents: Vec<Content>,
683 messages_metadata: HashMap<MessageId, MessageMetadata>,
684 summary: ContextSummary,
685 summary_task: Task<Option<()>>,
686 completion_count: usize,
687 pending_completions: Vec<PendingCompletion>,
688 token_count: Option<u64>,
689 pending_token_count: Task<Option<()>>,
690 pending_save: Task<Result<()>>,
691 pending_cache_warming_task: Task<Option<()>>,
692 path: Option<Arc<Path>>,
693 _subscriptions: Vec<Subscription>,
694 telemetry: Option<Arc<Telemetry>>,
695 language_registry: Arc<LanguageRegistry>,
696 project: Option<Entity<Project>>,
697 prompt_builder: Arc<PromptBuilder>,
698 completion_mode: agent_settings::CompletionMode,
699}
700
701trait ContextAnnotation {
702 fn range(&self) -> &Range<language::Anchor>;
703}
704
705impl ContextAnnotation for ParsedSlashCommand {
706 fn range(&self) -> &Range<language::Anchor> {
707 &self.source_range
708 }
709}
710
711impl EventEmitter<ContextEvent> for AssistantContext {}
712
713impl AssistantContext {
714 pub fn local(
715 language_registry: Arc<LanguageRegistry>,
716 project: Option<Entity<Project>>,
717 telemetry: Option<Arc<Telemetry>>,
718 prompt_builder: Arc<PromptBuilder>,
719 slash_commands: Arc<SlashCommandWorkingSet>,
720 cx: &mut Context<Self>,
721 ) -> Self {
722 Self::new(
723 ContextId::new(),
724 ReplicaId::default(),
725 language::Capability::ReadWrite,
726 language_registry,
727 prompt_builder,
728 slash_commands,
729 project,
730 telemetry,
731 cx,
732 )
733 }
734
735 pub fn completion_mode(&self) -> agent_settings::CompletionMode {
736 self.completion_mode
737 }
738
739 pub fn set_completion_mode(&mut self, completion_mode: agent_settings::CompletionMode) {
740 self.completion_mode = completion_mode;
741 }
742
743 pub fn new(
744 id: ContextId,
745 replica_id: ReplicaId,
746 capability: language::Capability,
747 language_registry: Arc<LanguageRegistry>,
748 prompt_builder: Arc<PromptBuilder>,
749 slash_commands: Arc<SlashCommandWorkingSet>,
750 project: Option<Entity<Project>>,
751 telemetry: Option<Arc<Telemetry>>,
752 cx: &mut Context<Self>,
753 ) -> Self {
754 let buffer = cx.new(|_cx| {
755 let buffer = Buffer::remote(
756 language::BufferId::new(1).unwrap(),
757 replica_id,
758 capability,
759 "",
760 );
761 buffer.set_language_registry(language_registry.clone());
762 buffer
763 });
764 let edits_since_last_slash_command_parse =
765 buffer.update(cx, |buffer, _| buffer.subscribe());
766 let mut this = Self {
767 id,
768 timestamp: clock::Lamport::new(replica_id),
769 version: clock::Global::new(),
770 pending_ops: Vec::new(),
771 operations: Vec::new(),
772 message_anchors: Default::default(),
773 contents: Default::default(),
774 messages_metadata: Default::default(),
775 parsed_slash_commands: Vec::new(),
776 invoked_slash_commands: HashMap::default(),
777 slash_command_output_sections: Vec::new(),
778 thought_process_output_sections: Vec::new(),
779 edits_since_last_parse: edits_since_last_slash_command_parse,
780 summary: ContextSummary::Pending,
781 summary_task: Task::ready(None),
782 completion_count: Default::default(),
783 pending_completions: Default::default(),
784 token_count: None,
785 pending_token_count: Task::ready(None),
786 pending_cache_warming_task: Task::ready(None),
787 _subscriptions: vec![cx.subscribe(&buffer, Self::handle_buffer_event)],
788 pending_save: Task::ready(Ok(())),
789 completion_mode: AgentSettings::get_global(cx).preferred_completion_mode,
790 path: None,
791 buffer,
792 telemetry,
793 project,
794 language_registry,
795 slash_commands,
796 prompt_builder,
797 };
798
799 let first_message_id = MessageId(clock::Lamport {
800 replica_id: 0,
801 value: 0,
802 });
803 let message = MessageAnchor {
804 id: first_message_id,
805 start: language::Anchor::MIN,
806 };
807 this.messages_metadata.insert(
808 first_message_id,
809 MessageMetadata {
810 role: Role::User,
811 status: MessageStatus::Done,
812 timestamp: first_message_id.0,
813 cache: None,
814 },
815 );
816 this.message_anchors.push(message);
817
818 this.set_language(cx);
819 this.count_remaining_tokens(cx);
820 this
821 }
822
823 pub(crate) fn serialize(&self, cx: &App) -> SavedContext {
824 let buffer = self.buffer.read(cx);
825 SavedContext {
826 id: Some(self.id.clone()),
827 zed: "context".into(),
828 version: SavedContext::VERSION.into(),
829 text: buffer.text(),
830 messages: self
831 .messages(cx)
832 .map(|message| SavedMessage {
833 id: message.id,
834 start: message.offset_range.start,
835 metadata: self.messages_metadata[&message.id].clone(),
836 })
837 .collect(),
838 summary: self
839 .summary
840 .content()
841 .map(|summary| summary.text.clone())
842 .unwrap_or_default(),
843 slash_command_output_sections: self
844 .slash_command_output_sections
845 .iter()
846 .filter_map(|section| {
847 if section.is_valid(buffer) {
848 let range = section.range.to_offset(buffer);
849 Some(assistant_slash_command::SlashCommandOutputSection {
850 range,
851 icon: section.icon,
852 label: section.label.clone(),
853 metadata: section.metadata.clone(),
854 })
855 } else {
856 None
857 }
858 })
859 .collect(),
860 thought_process_output_sections: self
861 .thought_process_output_sections
862 .iter()
863 .filter_map(|section| {
864 if section.is_valid(buffer) {
865 let range = section.range.to_offset(buffer);
866 Some(ThoughtProcessOutputSection { range })
867 } else {
868 None
869 }
870 })
871 .collect(),
872 }
873 }
874
875 pub fn deserialize(
876 saved_context: SavedContext,
877 path: Arc<Path>,
878 language_registry: Arc<LanguageRegistry>,
879 prompt_builder: Arc<PromptBuilder>,
880 slash_commands: Arc<SlashCommandWorkingSet>,
881 project: Option<Entity<Project>>,
882 telemetry: Option<Arc<Telemetry>>,
883 cx: &mut Context<Self>,
884 ) -> Self {
885 let id = saved_context.id.clone().unwrap_or_else(ContextId::new);
886 let mut this = Self::new(
887 id,
888 ReplicaId::default(),
889 language::Capability::ReadWrite,
890 language_registry,
891 prompt_builder,
892 slash_commands,
893 project,
894 telemetry,
895 cx,
896 );
897 this.path = Some(path);
898 this.buffer.update(cx, |buffer, cx| {
899 buffer.set_text(saved_context.text.as_str(), cx)
900 });
901 let operations = saved_context.into_ops(&this.buffer, cx);
902 this.apply_ops(operations, cx);
903 this
904 }
905
906 pub fn id(&self) -> &ContextId {
907 &self.id
908 }
909
910 pub fn replica_id(&self) -> ReplicaId {
911 self.timestamp.replica_id
912 }
913
914 pub fn version(&self, cx: &App) -> ContextVersion {
915 ContextVersion {
916 context: self.version.clone(),
917 buffer: self.buffer.read(cx).version(),
918 }
919 }
920
921 pub fn slash_commands(&self) -> &Arc<SlashCommandWorkingSet> {
922 &self.slash_commands
923 }
924
925 pub fn set_capability(&mut self, capability: language::Capability, cx: &mut Context<Self>) {
926 self.buffer
927 .update(cx, |buffer, cx| buffer.set_capability(capability, cx));
928 }
929
930 fn next_timestamp(&mut self) -> clock::Lamport {
931 let timestamp = self.timestamp.tick();
932 self.version.observe(timestamp);
933 timestamp
934 }
935
936 pub fn serialize_ops(
937 &self,
938 since: &ContextVersion,
939 cx: &App,
940 ) -> Task<Vec<proto::ContextOperation>> {
941 let buffer_ops = self
942 .buffer
943 .read(cx)
944 .serialize_ops(Some(since.buffer.clone()), cx);
945
946 let mut context_ops = self
947 .operations
948 .iter()
949 .filter(|op| !since.context.observed(op.timestamp()))
950 .cloned()
951 .collect::<Vec<_>>();
952 context_ops.extend(self.pending_ops.iter().cloned());
953
954 cx.background_spawn(async move {
955 let buffer_ops = buffer_ops.await;
956 context_ops.sort_unstable_by_key(|op| op.timestamp());
957 buffer_ops
958 .into_iter()
959 .map(|op| proto::ContextOperation {
960 variant: Some(proto::context_operation::Variant::BufferOperation(
961 proto::context_operation::BufferOperation {
962 operation: Some(op),
963 },
964 )),
965 })
966 .chain(context_ops.into_iter().map(|op| op.to_proto()))
967 .collect()
968 })
969 }
970
971 pub fn apply_ops(
972 &mut self,
973 ops: impl IntoIterator<Item = ContextOperation>,
974 cx: &mut Context<Self>,
975 ) {
976 let mut buffer_ops = Vec::new();
977 for op in ops {
978 match op {
979 ContextOperation::BufferOperation(buffer_op) => buffer_ops.push(buffer_op),
980 op @ _ => self.pending_ops.push(op),
981 }
982 }
983 self.buffer
984 .update(cx, |buffer, cx| buffer.apply_ops(buffer_ops, cx));
985 self.flush_ops(cx);
986 }
987
988 fn flush_ops(&mut self, cx: &mut Context<AssistantContext>) {
989 let mut changed_messages = HashSet::default();
990 let mut summary_generated = false;
991
992 self.pending_ops.sort_unstable_by_key(|op| op.timestamp());
993 for op in mem::take(&mut self.pending_ops) {
994 if !self.can_apply_op(&op, cx) {
995 self.pending_ops.push(op);
996 continue;
997 }
998
999 let timestamp = op.timestamp();
1000 match op.clone() {
1001 ContextOperation::InsertMessage {
1002 anchor, metadata, ..
1003 } => {
1004 if self.messages_metadata.contains_key(&anchor.id) {
1005 // We already applied this operation.
1006 } else {
1007 changed_messages.insert(anchor.id);
1008 self.insert_message(anchor, metadata, cx);
1009 }
1010 }
1011 ContextOperation::UpdateMessage {
1012 message_id,
1013 metadata: new_metadata,
1014 ..
1015 } => {
1016 let metadata = self.messages_metadata.get_mut(&message_id).unwrap();
1017 if new_metadata.timestamp > metadata.timestamp {
1018 *metadata = new_metadata;
1019 changed_messages.insert(message_id);
1020 }
1021 }
1022 ContextOperation::UpdateSummary {
1023 summary: new_summary,
1024 ..
1025 } => {
1026 if self.summary.timestamp().map_or(true, |current_timestamp| {
1027 new_summary.timestamp > current_timestamp
1028 }) {
1029 self.summary = ContextSummary::Content(new_summary);
1030 summary_generated = true;
1031 }
1032 }
1033 ContextOperation::SlashCommandStarted {
1034 id,
1035 output_range,
1036 name,
1037 ..
1038 } => {
1039 self.invoked_slash_commands.insert(
1040 id,
1041 InvokedSlashCommand {
1042 name: name.into(),
1043 range: output_range,
1044 run_commands_in_ranges: Vec::new(),
1045 status: InvokedSlashCommandStatus::Running(Task::ready(())),
1046 transaction: None,
1047 timestamp: id.0,
1048 },
1049 );
1050 cx.emit(ContextEvent::InvokedSlashCommandChanged { command_id: id });
1051 }
1052 ContextOperation::SlashCommandOutputSectionAdded { section, .. } => {
1053 let buffer = self.buffer.read(cx);
1054 if let Err(ix) = self
1055 .slash_command_output_sections
1056 .binary_search_by(|probe| probe.range.cmp(§ion.range, buffer))
1057 {
1058 self.slash_command_output_sections
1059 .insert(ix, section.clone());
1060 cx.emit(ContextEvent::SlashCommandOutputSectionAdded { section });
1061 }
1062 }
1063 ContextOperation::ThoughtProcessOutputSectionAdded { section, .. } => {
1064 let buffer = self.buffer.read(cx);
1065 if let Err(ix) = self
1066 .thought_process_output_sections
1067 .binary_search_by(|probe| probe.range.cmp(§ion.range, buffer))
1068 {
1069 self.thought_process_output_sections
1070 .insert(ix, section.clone());
1071 }
1072 }
1073 ContextOperation::SlashCommandFinished {
1074 id,
1075 error_message,
1076 timestamp,
1077 ..
1078 } => {
1079 if let Some(slash_command) = self.invoked_slash_commands.get_mut(&id) {
1080 if timestamp > slash_command.timestamp {
1081 slash_command.timestamp = timestamp;
1082 match error_message {
1083 Some(message) => {
1084 slash_command.status =
1085 InvokedSlashCommandStatus::Error(message.into());
1086 }
1087 None => {
1088 slash_command.status = InvokedSlashCommandStatus::Finished;
1089 }
1090 }
1091 cx.emit(ContextEvent::InvokedSlashCommandChanged { command_id: id });
1092 }
1093 }
1094 }
1095 ContextOperation::BufferOperation(_) => unreachable!(),
1096 }
1097
1098 self.version.observe(timestamp);
1099 self.timestamp.observe(timestamp);
1100 self.operations.push(op);
1101 }
1102
1103 if !changed_messages.is_empty() {
1104 self.message_roles_updated(changed_messages, cx);
1105 cx.emit(ContextEvent::MessagesEdited);
1106 cx.notify();
1107 }
1108
1109 if summary_generated {
1110 cx.emit(ContextEvent::SummaryChanged);
1111 cx.emit(ContextEvent::SummaryGenerated);
1112 cx.notify();
1113 }
1114 }
1115
1116 fn can_apply_op(&self, op: &ContextOperation, cx: &App) -> bool {
1117 if !self.version.observed_all(op.version()) {
1118 return false;
1119 }
1120
1121 match op {
1122 ContextOperation::InsertMessage { anchor, .. } => self
1123 .buffer
1124 .read(cx)
1125 .version
1126 .observed(anchor.start.timestamp),
1127 ContextOperation::UpdateMessage { message_id, .. } => {
1128 self.messages_metadata.contains_key(message_id)
1129 }
1130 ContextOperation::UpdateSummary { .. } => true,
1131 ContextOperation::SlashCommandStarted { output_range, .. } => {
1132 self.has_received_operations_for_anchor_range(output_range.clone(), cx)
1133 }
1134 ContextOperation::SlashCommandOutputSectionAdded { section, .. } => {
1135 self.has_received_operations_for_anchor_range(section.range.clone(), cx)
1136 }
1137 ContextOperation::ThoughtProcessOutputSectionAdded { section, .. } => {
1138 self.has_received_operations_for_anchor_range(section.range.clone(), cx)
1139 }
1140 ContextOperation::SlashCommandFinished { .. } => true,
1141 ContextOperation::BufferOperation(_) => {
1142 panic!("buffer operations should always be applied")
1143 }
1144 }
1145 }
1146
1147 fn has_received_operations_for_anchor_range(
1148 &self,
1149 range: Range<text::Anchor>,
1150 cx: &App,
1151 ) -> bool {
1152 let version = &self.buffer.read(cx).version;
1153 let observed_start = range.start == language::Anchor::MIN
1154 || range.start == language::Anchor::MAX
1155 || version.observed(range.start.timestamp);
1156 let observed_end = range.end == language::Anchor::MIN
1157 || range.end == language::Anchor::MAX
1158 || version.observed(range.end.timestamp);
1159 observed_start && observed_end
1160 }
1161
1162 fn push_op(&mut self, op: ContextOperation, cx: &mut Context<Self>) {
1163 self.operations.push(op.clone());
1164 cx.emit(ContextEvent::Operation(op));
1165 }
1166
1167 pub fn buffer(&self) -> &Entity<Buffer> {
1168 &self.buffer
1169 }
1170
1171 pub fn language_registry(&self) -> Arc<LanguageRegistry> {
1172 self.language_registry.clone()
1173 }
1174
1175 pub fn project(&self) -> Option<Entity<Project>> {
1176 self.project.clone()
1177 }
1178
1179 pub fn prompt_builder(&self) -> Arc<PromptBuilder> {
1180 self.prompt_builder.clone()
1181 }
1182
1183 pub fn path(&self) -> Option<&Arc<Path>> {
1184 self.path.as_ref()
1185 }
1186
1187 pub fn summary(&self) -> &ContextSummary {
1188 &self.summary
1189 }
1190
1191 pub fn parsed_slash_commands(&self) -> &[ParsedSlashCommand] {
1192 &self.parsed_slash_commands
1193 }
1194
1195 pub fn invoked_slash_command(
1196 &self,
1197 command_id: &InvokedSlashCommandId,
1198 ) -> Option<&InvokedSlashCommand> {
1199 self.invoked_slash_commands.get(command_id)
1200 }
1201
1202 pub fn slash_command_output_sections(&self) -> &[SlashCommandOutputSection<language::Anchor>] {
1203 &self.slash_command_output_sections
1204 }
1205
1206 pub fn thought_process_output_sections(
1207 &self,
1208 ) -> &[ThoughtProcessOutputSection<language::Anchor>] {
1209 &self.thought_process_output_sections
1210 }
1211
1212 pub fn contains_files(&self, cx: &App) -> bool {
1213 let buffer = self.buffer.read(cx);
1214 self.slash_command_output_sections.iter().any(|section| {
1215 section.is_valid(buffer)
1216 && section
1217 .metadata
1218 .as_ref()
1219 .and_then(|metadata| {
1220 serde_json::from_value::<FileCommandMetadata>(metadata.clone()).ok()
1221 })
1222 .is_some()
1223 })
1224 }
1225
1226 fn set_language(&mut self, cx: &mut Context<Self>) {
1227 let markdown = self.language_registry.language_for_name("Markdown");
1228 cx.spawn(async move |this, cx| {
1229 let markdown = markdown.await?;
1230 this.update(cx, |this, cx| {
1231 this.buffer
1232 .update(cx, |buffer, cx| buffer.set_language(Some(markdown), cx));
1233 })
1234 })
1235 .detach_and_log_err(cx);
1236 }
1237
1238 fn handle_buffer_event(
1239 &mut self,
1240 _: Entity<Buffer>,
1241 event: &language::BufferEvent,
1242 cx: &mut Context<Self>,
1243 ) {
1244 match event {
1245 language::BufferEvent::Operation {
1246 operation,
1247 is_local: true,
1248 } => cx.emit(ContextEvent::Operation(ContextOperation::BufferOperation(
1249 operation.clone(),
1250 ))),
1251 language::BufferEvent::Edited => {
1252 self.count_remaining_tokens(cx);
1253 self.reparse(cx);
1254 cx.emit(ContextEvent::MessagesEdited);
1255 }
1256 _ => {}
1257 }
1258 }
1259
1260 pub fn token_count(&self) -> Option<u64> {
1261 self.token_count
1262 }
1263
1264 pub(crate) fn count_remaining_tokens(&mut self, cx: &mut Context<Self>) {
1265 // Assume it will be a Chat request, even though that takes fewer tokens (and risks going over the limit),
1266 // because otherwise you see in the UI that your empty message has a bunch of tokens already used.
1267 let Some(model) = LanguageModelRegistry::read_global(cx).default_model() else {
1268 return;
1269 };
1270 let request = self.to_completion_request(Some(&model.model), cx);
1271 let debounce = self.token_count.is_some();
1272 self.pending_token_count = cx.spawn(async move |this, cx| {
1273 async move {
1274 if debounce {
1275 cx.background_executor()
1276 .timer(Duration::from_millis(200))
1277 .await;
1278 }
1279
1280 let token_count = cx
1281 .update(|cx| model.model.count_tokens(request, cx))?
1282 .await?;
1283 this.update(cx, |this, cx| {
1284 this.token_count = Some(token_count);
1285 this.start_cache_warming(&model.model, cx);
1286 cx.notify()
1287 })
1288 }
1289 .log_err()
1290 .await
1291 });
1292 }
1293
1294 pub fn mark_cache_anchors(
1295 &mut self,
1296 cache_configuration: &Option<LanguageModelCacheConfiguration>,
1297 speculative: bool,
1298 cx: &mut Context<Self>,
1299 ) -> bool {
1300 let cache_configuration =
1301 cache_configuration
1302 .as_ref()
1303 .unwrap_or(&LanguageModelCacheConfiguration {
1304 max_cache_anchors: 0,
1305 should_speculate: false,
1306 min_total_token: 0,
1307 });
1308
1309 let messages: Vec<Message> = self.messages(cx).collect();
1310
1311 let mut sorted_messages = messages.clone();
1312 if speculative {
1313 // Avoid caching the last message if this is a speculative cache fetch as
1314 // it's likely to change.
1315 sorted_messages.pop();
1316 }
1317 sorted_messages.retain(|m| m.role == Role::User);
1318 sorted_messages.sort_by(|a, b| b.offset_range.len().cmp(&a.offset_range.len()));
1319
1320 let cache_anchors = if self.token_count.unwrap_or(0) < cache_configuration.min_total_token {
1321 // If we have't hit the minimum threshold to enable caching, don't cache anything.
1322 0
1323 } else {
1324 // Save 1 anchor for the inline assistant to use.
1325 max(cache_configuration.max_cache_anchors, 1) - 1
1326 };
1327 sorted_messages.truncate(cache_anchors);
1328
1329 let anchors: HashSet<MessageId> = sorted_messages
1330 .into_iter()
1331 .map(|message| message.id)
1332 .collect();
1333
1334 let buffer = self.buffer.read(cx).snapshot();
1335 let invalidated_caches: HashSet<MessageId> = messages
1336 .iter()
1337 .scan(false, |encountered_invalid, message| {
1338 let message_id = message.id;
1339 let is_invalid = self
1340 .messages_metadata
1341 .get(&message_id)
1342 .map_or(true, |metadata| {
1343 !metadata.is_cache_valid(&buffer, &message.offset_range)
1344 || *encountered_invalid
1345 });
1346 *encountered_invalid |= is_invalid;
1347 Some(if is_invalid { Some(message_id) } else { None })
1348 })
1349 .flatten()
1350 .collect();
1351
1352 let last_anchor = messages.iter().rev().find_map(|message| {
1353 if anchors.contains(&message.id) {
1354 Some(message.id)
1355 } else {
1356 None
1357 }
1358 });
1359
1360 let mut new_anchor_needs_caching = false;
1361 let current_version = &buffer.version;
1362 // If we have no anchors, mark all messages as not being cached.
1363 let mut hit_last_anchor = last_anchor.is_none();
1364
1365 for message in messages.iter() {
1366 if hit_last_anchor {
1367 self.update_metadata(message.id, cx, |metadata| metadata.cache = None);
1368 continue;
1369 }
1370
1371 if let Some(last_anchor) = last_anchor {
1372 if message.id == last_anchor {
1373 hit_last_anchor = true;
1374 }
1375 }
1376
1377 new_anchor_needs_caching = new_anchor_needs_caching
1378 || (invalidated_caches.contains(&message.id) && anchors.contains(&message.id));
1379
1380 self.update_metadata(message.id, cx, |metadata| {
1381 let cache_status = if invalidated_caches.contains(&message.id) {
1382 CacheStatus::Pending
1383 } else {
1384 metadata
1385 .cache
1386 .as_ref()
1387 .map_or(CacheStatus::Pending, |cm| cm.status.clone())
1388 };
1389 metadata.cache = Some(MessageCacheMetadata {
1390 is_anchor: anchors.contains(&message.id),
1391 is_final_anchor: hit_last_anchor,
1392 status: cache_status,
1393 cached_at: current_version.clone(),
1394 });
1395 });
1396 }
1397 new_anchor_needs_caching
1398 }
1399
1400 fn start_cache_warming(&mut self, model: &Arc<dyn LanguageModel>, cx: &mut Context<Self>) {
1401 let cache_configuration = model.cache_configuration();
1402
1403 if !self.mark_cache_anchors(&cache_configuration, true, cx) {
1404 return;
1405 }
1406 if !self.pending_completions.is_empty() {
1407 return;
1408 }
1409 if let Some(cache_configuration) = cache_configuration {
1410 if !cache_configuration.should_speculate {
1411 return;
1412 }
1413 }
1414
1415 let request = {
1416 let mut req = self.to_completion_request(Some(&model), cx);
1417 // Skip the last message because it's likely to change and
1418 // therefore would be a waste to cache.
1419 req.messages.pop();
1420 req.messages.push(LanguageModelRequestMessage {
1421 role: Role::User,
1422 content: vec!["Respond only with OK, nothing else.".into()],
1423 cache: false,
1424 });
1425 req
1426 };
1427
1428 let model = Arc::clone(model);
1429 self.pending_cache_warming_task = cx.spawn(async move |this, cx| {
1430 async move {
1431 match model.stream_completion(request, &cx).await {
1432 Ok(mut stream) => {
1433 stream.next().await;
1434 log::info!("Cache warming completed successfully");
1435 }
1436 Err(e) => {
1437 log::warn!("Cache warming failed: {}", e);
1438 }
1439 };
1440 this.update(cx, |this, cx| {
1441 this.update_cache_status_for_completion(cx);
1442 })
1443 .ok();
1444 anyhow::Ok(())
1445 }
1446 .log_err()
1447 .await
1448 });
1449 }
1450
1451 pub fn update_cache_status_for_completion(&mut self, cx: &mut Context<Self>) {
1452 let cached_message_ids: Vec<MessageId> = self
1453 .messages_metadata
1454 .iter()
1455 .filter_map(|(message_id, metadata)| {
1456 metadata.cache.as_ref().and_then(|cache| {
1457 if cache.status == CacheStatus::Pending {
1458 Some(*message_id)
1459 } else {
1460 None
1461 }
1462 })
1463 })
1464 .collect();
1465
1466 for message_id in cached_message_ids {
1467 self.update_metadata(message_id, cx, |metadata| {
1468 if let Some(cache) = &mut metadata.cache {
1469 cache.status = CacheStatus::Cached;
1470 }
1471 });
1472 }
1473 cx.notify();
1474 }
1475
1476 pub fn reparse(&mut self, cx: &mut Context<Self>) {
1477 let buffer = self.buffer.read(cx).text_snapshot();
1478 let mut row_ranges = self
1479 .edits_since_last_parse
1480 .consume()
1481 .into_iter()
1482 .map(|edit| {
1483 let start_row = buffer.offset_to_point(edit.new.start).row;
1484 let end_row = buffer.offset_to_point(edit.new.end).row + 1;
1485 start_row..end_row
1486 })
1487 .peekable();
1488
1489 let mut removed_parsed_slash_command_ranges = Vec::new();
1490 let mut updated_parsed_slash_commands = Vec::new();
1491 while let Some(mut row_range) = row_ranges.next() {
1492 while let Some(next_row_range) = row_ranges.peek() {
1493 if row_range.end >= next_row_range.start {
1494 row_range.end = next_row_range.end;
1495 row_ranges.next();
1496 } else {
1497 break;
1498 }
1499 }
1500
1501 let start = buffer.anchor_before(Point::new(row_range.start, 0));
1502 let end = buffer.anchor_after(Point::new(
1503 row_range.end - 1,
1504 buffer.line_len(row_range.end - 1),
1505 ));
1506
1507 self.reparse_slash_commands_in_range(
1508 start..end,
1509 &buffer,
1510 &mut updated_parsed_slash_commands,
1511 &mut removed_parsed_slash_command_ranges,
1512 cx,
1513 );
1514 self.invalidate_pending_slash_commands(&buffer, cx);
1515 }
1516
1517 if !updated_parsed_slash_commands.is_empty()
1518 || !removed_parsed_slash_command_ranges.is_empty()
1519 {
1520 cx.emit(ContextEvent::ParsedSlashCommandsUpdated {
1521 removed: removed_parsed_slash_command_ranges,
1522 updated: updated_parsed_slash_commands,
1523 });
1524 }
1525 }
1526
1527 fn reparse_slash_commands_in_range(
1528 &mut self,
1529 range: Range<text::Anchor>,
1530 buffer: &BufferSnapshot,
1531 updated: &mut Vec<ParsedSlashCommand>,
1532 removed: &mut Vec<Range<text::Anchor>>,
1533 cx: &App,
1534 ) {
1535 let old_range = self.pending_command_indices_for_range(range.clone(), cx);
1536
1537 let mut new_commands = Vec::new();
1538 let mut lines = buffer.text_for_range(range).lines();
1539 let mut offset = lines.offset();
1540 while let Some(line) = lines.next() {
1541 if let Some(command_line) = SlashCommandLine::parse(line) {
1542 let name = &line[command_line.name.clone()];
1543 let arguments = command_line
1544 .arguments
1545 .iter()
1546 .filter_map(|argument_range| {
1547 if argument_range.is_empty() {
1548 None
1549 } else {
1550 line.get(argument_range.clone())
1551 }
1552 })
1553 .map(ToOwned::to_owned)
1554 .collect::<SmallVec<_>>();
1555 if let Some(command) = self.slash_commands.command(name, cx) {
1556 if !command.requires_argument() || !arguments.is_empty() {
1557 let start_ix = offset + command_line.name.start - 1;
1558 let end_ix = offset
1559 + command_line
1560 .arguments
1561 .last()
1562 .map_or(command_line.name.end, |argument| argument.end);
1563 let source_range =
1564 buffer.anchor_after(start_ix)..buffer.anchor_after(end_ix);
1565 let pending_command = ParsedSlashCommand {
1566 name: name.to_string(),
1567 arguments,
1568 source_range,
1569 status: PendingSlashCommandStatus::Idle,
1570 };
1571 updated.push(pending_command.clone());
1572 new_commands.push(pending_command);
1573 }
1574 }
1575 }
1576
1577 offset = lines.offset();
1578 }
1579
1580 let removed_commands = self.parsed_slash_commands.splice(old_range, new_commands);
1581 removed.extend(removed_commands.map(|command| command.source_range));
1582 }
1583
1584 fn invalidate_pending_slash_commands(
1585 &mut self,
1586 buffer: &BufferSnapshot,
1587 cx: &mut Context<Self>,
1588 ) {
1589 let mut invalidated_command_ids = Vec::new();
1590 for (&command_id, command) in self.invoked_slash_commands.iter_mut() {
1591 if !matches!(command.status, InvokedSlashCommandStatus::Finished)
1592 && (!command.range.start.is_valid(buffer) || !command.range.end.is_valid(buffer))
1593 {
1594 command.status = InvokedSlashCommandStatus::Finished;
1595 cx.emit(ContextEvent::InvokedSlashCommandChanged { command_id });
1596 invalidated_command_ids.push(command_id);
1597 }
1598 }
1599
1600 for command_id in invalidated_command_ids {
1601 let version = self.version.clone();
1602 let timestamp = self.next_timestamp();
1603 self.push_op(
1604 ContextOperation::SlashCommandFinished {
1605 id: command_id,
1606 timestamp,
1607 error_message: None,
1608 version: version.clone(),
1609 },
1610 cx,
1611 );
1612 }
1613 }
1614
1615 pub fn pending_command_for_position(
1616 &mut self,
1617 position: language::Anchor,
1618 cx: &mut Context<Self>,
1619 ) -> Option<&mut ParsedSlashCommand> {
1620 let buffer = self.buffer.read(cx);
1621 match self
1622 .parsed_slash_commands
1623 .binary_search_by(|probe| probe.source_range.end.cmp(&position, buffer))
1624 {
1625 Ok(ix) => Some(&mut self.parsed_slash_commands[ix]),
1626 Err(ix) => {
1627 let cmd = self.parsed_slash_commands.get_mut(ix)?;
1628 if position.cmp(&cmd.source_range.start, buffer).is_ge()
1629 && position.cmp(&cmd.source_range.end, buffer).is_le()
1630 {
1631 Some(cmd)
1632 } else {
1633 None
1634 }
1635 }
1636 }
1637 }
1638
1639 pub fn pending_commands_for_range(
1640 &self,
1641 range: Range<language::Anchor>,
1642 cx: &App,
1643 ) -> &[ParsedSlashCommand] {
1644 let range = self.pending_command_indices_for_range(range, cx);
1645 &self.parsed_slash_commands[range]
1646 }
1647
1648 fn pending_command_indices_for_range(
1649 &self,
1650 range: Range<language::Anchor>,
1651 cx: &App,
1652 ) -> Range<usize> {
1653 self.indices_intersecting_buffer_range(&self.parsed_slash_commands, range, cx)
1654 }
1655
1656 fn indices_intersecting_buffer_range<T: ContextAnnotation>(
1657 &self,
1658 all_annotations: &[T],
1659 range: Range<language::Anchor>,
1660 cx: &App,
1661 ) -> Range<usize> {
1662 let buffer = self.buffer.read(cx);
1663 let start_ix = match all_annotations
1664 .binary_search_by(|probe| probe.range().end.cmp(&range.start, &buffer))
1665 {
1666 Ok(ix) | Err(ix) => ix,
1667 };
1668 let end_ix = match all_annotations
1669 .binary_search_by(|probe| probe.range().start.cmp(&range.end, &buffer))
1670 {
1671 Ok(ix) => ix + 1,
1672 Err(ix) => ix,
1673 };
1674 start_ix..end_ix
1675 }
1676
1677 pub fn insert_command_output(
1678 &mut self,
1679 command_source_range: Range<language::Anchor>,
1680 name: &str,
1681 output: Task<SlashCommandResult>,
1682 ensure_trailing_newline: bool,
1683 cx: &mut Context<Self>,
1684 ) {
1685 let version = self.version.clone();
1686 let command_id = InvokedSlashCommandId(self.next_timestamp());
1687
1688 const PENDING_OUTPUT_END_MARKER: &str = "…";
1689
1690 let (command_range, command_source_range, insert_position, first_transaction) =
1691 self.buffer.update(cx, |buffer, cx| {
1692 let command_source_range = command_source_range.to_offset(buffer);
1693 let mut insertion = format!("\n{PENDING_OUTPUT_END_MARKER}");
1694 if ensure_trailing_newline {
1695 insertion.push('\n');
1696 }
1697
1698 buffer.finalize_last_transaction();
1699 buffer.start_transaction();
1700 buffer.edit(
1701 [(
1702 command_source_range.end..command_source_range.end,
1703 insertion,
1704 )],
1705 None,
1706 cx,
1707 );
1708 let first_transaction = buffer.end_transaction(cx).unwrap();
1709 buffer.finalize_last_transaction();
1710
1711 let insert_position = buffer.anchor_after(command_source_range.end + 1);
1712 let command_range = buffer.anchor_after(command_source_range.start)
1713 ..buffer.anchor_before(
1714 command_source_range.end + 1 + PENDING_OUTPUT_END_MARKER.len(),
1715 );
1716 let command_source_range = buffer.anchor_before(command_source_range.start)
1717 ..buffer.anchor_before(command_source_range.end + 1);
1718 (
1719 command_range,
1720 command_source_range,
1721 insert_position,
1722 first_transaction,
1723 )
1724 });
1725 self.reparse(cx);
1726
1727 let insert_output_task = cx.spawn(async move |this, cx| {
1728 let run_command = async {
1729 let mut stream = output.await?;
1730
1731 struct PendingSection {
1732 start: language::Anchor,
1733 icon: IconName,
1734 label: SharedString,
1735 metadata: Option<serde_json::Value>,
1736 }
1737
1738 let mut pending_section_stack: Vec<PendingSection> = Vec::new();
1739 let mut last_role: Option<Role> = None;
1740 let mut last_section_range = None;
1741
1742 while let Some(event) = stream.next().await {
1743 let event = event?;
1744 this.update(cx, |this, cx| {
1745 this.buffer.update(cx, |buffer, _cx| {
1746 buffer.finalize_last_transaction();
1747 buffer.start_transaction()
1748 });
1749
1750 match event {
1751 SlashCommandEvent::StartMessage {
1752 role,
1753 merge_same_roles,
1754 } => {
1755 if !merge_same_roles && Some(role) != last_role {
1756 let buffer = this.buffer.read(cx);
1757 let offset = insert_position.to_offset(buffer);
1758 this.insert_message_at_offset(
1759 offset,
1760 role,
1761 MessageStatus::Pending,
1762 cx,
1763 );
1764 }
1765
1766 last_role = Some(role);
1767 }
1768 SlashCommandEvent::StartSection {
1769 icon,
1770 label,
1771 metadata,
1772 } => {
1773 this.buffer.update(cx, |buffer, cx| {
1774 let insert_point = insert_position.to_point(buffer);
1775 if insert_point.column > 0 {
1776 buffer.edit([(insert_point..insert_point, "\n")], None, cx);
1777 }
1778
1779 pending_section_stack.push(PendingSection {
1780 start: buffer.anchor_before(insert_position),
1781 icon,
1782 label,
1783 metadata,
1784 });
1785 });
1786 }
1787 SlashCommandEvent::Content(SlashCommandContent::Text {
1788 text,
1789 run_commands_in_text,
1790 }) => {
1791 let start = this.buffer.read(cx).anchor_before(insert_position);
1792
1793 this.buffer.update(cx, |buffer, cx| {
1794 buffer.edit(
1795 [(insert_position..insert_position, text)],
1796 None,
1797 cx,
1798 )
1799 });
1800
1801 let end = this.buffer.read(cx).anchor_before(insert_position);
1802 if run_commands_in_text {
1803 if let Some(invoked_slash_command) =
1804 this.invoked_slash_commands.get_mut(&command_id)
1805 {
1806 invoked_slash_command
1807 .run_commands_in_ranges
1808 .push(start..end);
1809 }
1810 }
1811 }
1812 SlashCommandEvent::EndSection => {
1813 if let Some(pending_section) = pending_section_stack.pop() {
1814 let offset_range = (pending_section.start..insert_position)
1815 .to_offset(this.buffer.read(cx));
1816 if !offset_range.is_empty() {
1817 let range = this.buffer.update(cx, |buffer, _cx| {
1818 buffer.anchor_after(offset_range.start)
1819 ..buffer.anchor_before(offset_range.end)
1820 });
1821 this.insert_slash_command_output_section(
1822 SlashCommandOutputSection {
1823 range: range.clone(),
1824 icon: pending_section.icon,
1825 label: pending_section.label,
1826 metadata: pending_section.metadata,
1827 },
1828 cx,
1829 );
1830 last_section_range = Some(range);
1831 }
1832 }
1833 }
1834 }
1835
1836 this.buffer.update(cx, |buffer, cx| {
1837 if let Some(event_transaction) = buffer.end_transaction(cx) {
1838 buffer.merge_transactions(event_transaction, first_transaction);
1839 }
1840 });
1841 })?;
1842 }
1843
1844 this.update(cx, |this, cx| {
1845 this.buffer.update(cx, |buffer, cx| {
1846 buffer.finalize_last_transaction();
1847 buffer.start_transaction();
1848
1849 let mut deletions = vec![(command_source_range.to_offset(buffer), "")];
1850 let insert_position = insert_position.to_offset(buffer);
1851 let command_range_end = command_range.end.to_offset(buffer);
1852
1853 if buffer.contains_str_at(insert_position, PENDING_OUTPUT_END_MARKER) {
1854 deletions.push((
1855 insert_position..insert_position + PENDING_OUTPUT_END_MARKER.len(),
1856 "",
1857 ));
1858 }
1859
1860 if ensure_trailing_newline
1861 && buffer.contains_str_at(command_range_end, "\n")
1862 {
1863 let newline_offset = insert_position.saturating_sub(1);
1864 if buffer.contains_str_at(newline_offset, "\n")
1865 && last_section_range.map_or(true, |last_section_range| {
1866 !last_section_range
1867 .to_offset(buffer)
1868 .contains(&newline_offset)
1869 })
1870 {
1871 deletions.push((command_range_end..command_range_end + 1, ""));
1872 }
1873 }
1874
1875 buffer.edit(deletions, None, cx);
1876
1877 if let Some(deletion_transaction) = buffer.end_transaction(cx) {
1878 buffer.merge_transactions(deletion_transaction, first_transaction);
1879 }
1880 });
1881 })?;
1882
1883 debug_assert!(pending_section_stack.is_empty());
1884
1885 anyhow::Ok(())
1886 };
1887
1888 let command_result = run_command.await;
1889
1890 this.update(cx, |this, cx| {
1891 let version = this.version.clone();
1892 let timestamp = this.next_timestamp();
1893 let Some(invoked_slash_command) = this.invoked_slash_commands.get_mut(&command_id)
1894 else {
1895 return;
1896 };
1897 let mut error_message = None;
1898 match command_result {
1899 Ok(()) => {
1900 invoked_slash_command.status = InvokedSlashCommandStatus::Finished;
1901 }
1902 Err(error) => {
1903 let message = error.to_string();
1904 invoked_slash_command.status =
1905 InvokedSlashCommandStatus::Error(message.clone().into());
1906 error_message = Some(message);
1907 }
1908 }
1909
1910 cx.emit(ContextEvent::InvokedSlashCommandChanged { command_id });
1911 this.push_op(
1912 ContextOperation::SlashCommandFinished {
1913 id: command_id,
1914 timestamp,
1915 error_message,
1916 version,
1917 },
1918 cx,
1919 );
1920 })
1921 .ok();
1922 });
1923
1924 self.invoked_slash_commands.insert(
1925 command_id,
1926 InvokedSlashCommand {
1927 name: name.to_string().into(),
1928 range: command_range.clone(),
1929 run_commands_in_ranges: Vec::new(),
1930 status: InvokedSlashCommandStatus::Running(insert_output_task),
1931 transaction: Some(first_transaction),
1932 timestamp: command_id.0,
1933 },
1934 );
1935 cx.emit(ContextEvent::InvokedSlashCommandChanged { command_id });
1936 self.push_op(
1937 ContextOperation::SlashCommandStarted {
1938 id: command_id,
1939 output_range: command_range,
1940 name: name.to_string(),
1941 version,
1942 },
1943 cx,
1944 );
1945 }
1946
1947 fn insert_slash_command_output_section(
1948 &mut self,
1949 section: SlashCommandOutputSection<language::Anchor>,
1950 cx: &mut Context<Self>,
1951 ) {
1952 let buffer = self.buffer.read(cx);
1953 let insertion_ix = match self
1954 .slash_command_output_sections
1955 .binary_search_by(|probe| probe.range.cmp(§ion.range, buffer))
1956 {
1957 Ok(ix) | Err(ix) => ix,
1958 };
1959 self.slash_command_output_sections
1960 .insert(insertion_ix, section.clone());
1961 cx.emit(ContextEvent::SlashCommandOutputSectionAdded {
1962 section: section.clone(),
1963 });
1964 let version = self.version.clone();
1965 let timestamp = self.next_timestamp();
1966 self.push_op(
1967 ContextOperation::SlashCommandOutputSectionAdded {
1968 timestamp,
1969 section,
1970 version,
1971 },
1972 cx,
1973 );
1974 }
1975
1976 fn insert_thought_process_output_section(
1977 &mut self,
1978 section: ThoughtProcessOutputSection<language::Anchor>,
1979 cx: &mut Context<Self>,
1980 ) {
1981 let buffer = self.buffer.read(cx);
1982 let insertion_ix = match self
1983 .thought_process_output_sections
1984 .binary_search_by(|probe| probe.range.cmp(§ion.range, buffer))
1985 {
1986 Ok(ix) | Err(ix) => ix,
1987 };
1988 self.thought_process_output_sections
1989 .insert(insertion_ix, section.clone());
1990 // cx.emit(ContextEvent::ThoughtProcessOutputSectionAdded {
1991 // section: section.clone(),
1992 // });
1993 let version = self.version.clone();
1994 let timestamp = self.next_timestamp();
1995 self.push_op(
1996 ContextOperation::ThoughtProcessOutputSectionAdded {
1997 timestamp,
1998 section,
1999 version,
2000 },
2001 cx,
2002 );
2003 }
2004
2005 pub fn completion_provider_changed(&mut self, cx: &mut Context<Self>) {
2006 self.count_remaining_tokens(cx);
2007 }
2008
2009 fn get_last_valid_message_id(&self, cx: &Context<Self>) -> Option<MessageId> {
2010 self.message_anchors.iter().rev().find_map(|message| {
2011 message
2012 .start
2013 .is_valid(self.buffer.read(cx))
2014 .then_some(message.id)
2015 })
2016 }
2017
2018 pub fn assist(&mut self, cx: &mut Context<Self>) -> Option<MessageAnchor> {
2019 let model_registry = LanguageModelRegistry::read_global(cx);
2020 let model = model_registry.default_model()?;
2021 let last_message_id = self.get_last_valid_message_id(cx)?;
2022
2023 if !model.provider.is_authenticated(cx) {
2024 log::info!("completion provider has no credentials");
2025 return None;
2026 }
2027
2028 let model = model.model;
2029
2030 // Compute which messages to cache, including the last one.
2031 self.mark_cache_anchors(&model.cache_configuration(), false, cx);
2032
2033 let request = self.to_completion_request(Some(&model), cx);
2034
2035 let assistant_message = self
2036 .insert_message_after(last_message_id, Role::Assistant, MessageStatus::Pending, cx)
2037 .unwrap();
2038
2039 // Queue up the user's next reply.
2040 let user_message = self
2041 .insert_message_after(assistant_message.id, Role::User, MessageStatus::Done, cx)
2042 .unwrap();
2043
2044 let pending_completion_id = post_inc(&mut self.completion_count);
2045
2046 let task = cx.spawn({
2047 async move |this, cx| {
2048 let stream = model.stream_completion(request, &cx);
2049 let assistant_message_id = assistant_message.id;
2050 let mut response_latency = None;
2051 let stream_completion = async {
2052 let request_start = Instant::now();
2053 let mut events = stream.await?;
2054 let mut stop_reason = StopReason::EndTurn;
2055 let mut thought_process_stack = Vec::new();
2056
2057 const THOUGHT_PROCESS_START_MARKER: &str = "<think>\n";
2058 const THOUGHT_PROCESS_END_MARKER: &str = "\n</think>";
2059
2060 while let Some(event) = events.next().await {
2061 if response_latency.is_none() {
2062 response_latency = Some(request_start.elapsed());
2063 }
2064 let event = event?;
2065
2066 let mut context_event = None;
2067 let mut thought_process_output_section = None;
2068
2069 this.update(cx, |this, cx| {
2070 let message_ix = this
2071 .message_anchors
2072 .iter()
2073 .position(|message| message.id == assistant_message_id)?;
2074 this.buffer.update(cx, |buffer, cx| {
2075 let message_old_end_offset = this.message_anchors[message_ix + 1..]
2076 .iter()
2077 .find(|message| message.start.is_valid(buffer))
2078 .map_or(buffer.len(), |message| {
2079 message.start.to_offset(buffer).saturating_sub(1)
2080 });
2081
2082 match event {
2083 LanguageModelCompletionEvent::StatusUpdate { .. } => {}
2084 LanguageModelCompletionEvent::StartMessage { .. } => {}
2085 LanguageModelCompletionEvent::Stop(reason) => {
2086 stop_reason = reason;
2087 }
2088 LanguageModelCompletionEvent::Thinking { text: chunk, .. } => {
2089 if thought_process_stack.is_empty() {
2090 let start =
2091 buffer.anchor_before(message_old_end_offset);
2092 thought_process_stack.push(start);
2093 let chunk =
2094 format!("{THOUGHT_PROCESS_START_MARKER}{chunk}{THOUGHT_PROCESS_END_MARKER}");
2095 let chunk_len = chunk.len();
2096 buffer.edit(
2097 [(
2098 message_old_end_offset..message_old_end_offset,
2099 chunk,
2100 )],
2101 None,
2102 cx,
2103 );
2104 let end = buffer
2105 .anchor_before(message_old_end_offset + chunk_len);
2106 context_event = Some(
2107 ContextEvent::StartedThoughtProcess(start..end),
2108 );
2109 } else {
2110 // This ensures that all the thinking chunks are inserted inside the thinking tag
2111 let insertion_position =
2112 message_old_end_offset - THOUGHT_PROCESS_END_MARKER.len();
2113 buffer.edit(
2114 [(insertion_position..insertion_position, chunk)],
2115 None,
2116 cx,
2117 );
2118 }
2119 }
2120 LanguageModelCompletionEvent::RedactedThinking { .. } => {},
2121 LanguageModelCompletionEvent::Text(mut chunk) => {
2122 if let Some(start) = thought_process_stack.pop() {
2123 let end = buffer.anchor_before(message_old_end_offset);
2124 context_event =
2125 Some(ContextEvent::EndedThoughtProcess(end));
2126 thought_process_output_section =
2127 Some(ThoughtProcessOutputSection {
2128 range: start..end,
2129 });
2130 chunk.insert_str(0, "\n\n");
2131 }
2132
2133 buffer.edit(
2134 [(
2135 message_old_end_offset..message_old_end_offset,
2136 chunk,
2137 )],
2138 None,
2139 cx,
2140 );
2141 }
2142 LanguageModelCompletionEvent::ToolUse(_) |
2143 LanguageModelCompletionEvent::ToolUseJsonParseError { .. } |
2144 LanguageModelCompletionEvent::UsageUpdate(_) => {}
2145 }
2146 });
2147
2148 if let Some(section) = thought_process_output_section.take() {
2149 this.insert_thought_process_output_section(section, cx);
2150 }
2151 if let Some(context_event) = context_event.take() {
2152 cx.emit(context_event);
2153 }
2154
2155 cx.emit(ContextEvent::StreamedCompletion);
2156
2157 Some(())
2158 })?;
2159 smol::future::yield_now().await;
2160 }
2161 this.update(cx, |this, cx| {
2162 this.pending_completions
2163 .retain(|completion| completion.id != pending_completion_id);
2164 this.summarize(false, cx);
2165 this.update_cache_status_for_completion(cx);
2166 })?;
2167
2168 anyhow::Ok(stop_reason)
2169 };
2170
2171 let result = stream_completion.await;
2172
2173 this.update(cx, |this, cx| {
2174 let error_message = if let Some(error) = result.as_ref().err() {
2175 if error.is::<PaymentRequiredError>() {
2176 cx.emit(ContextEvent::ShowPaymentRequiredError);
2177 this.update_metadata(assistant_message_id, cx, |metadata| {
2178 metadata.status = MessageStatus::Canceled;
2179 });
2180 Some(error.to_string())
2181 } else {
2182 let error_message = error
2183 .chain()
2184 .map(|err| err.to_string())
2185 .collect::<Vec<_>>()
2186 .join("\n");
2187 cx.emit(ContextEvent::ShowAssistError(SharedString::from(
2188 error_message.clone(),
2189 )));
2190 this.update_metadata(assistant_message_id, cx, |metadata| {
2191 metadata.status =
2192 MessageStatus::Error(SharedString::from(error_message.clone()));
2193 });
2194 Some(error_message)
2195 }
2196 } else {
2197 this.update_metadata(assistant_message_id, cx, |metadata| {
2198 metadata.status = MessageStatus::Done;
2199 });
2200 None
2201 };
2202
2203 let language_name = this
2204 .buffer
2205 .read(cx)
2206 .language()
2207 .map(|language| language.name());
2208 report_assistant_event(
2209 AssistantEventData {
2210 conversation_id: Some(this.id.0.clone()),
2211 kind: AssistantKind::Panel,
2212 phase: AssistantPhase::Response,
2213 message_id: None,
2214 model: model.telemetry_id(),
2215 model_provider: model.provider_id().to_string(),
2216 response_latency,
2217 error_message,
2218 language_name: language_name.map(|name| name.to_proto()),
2219 },
2220 this.telemetry.clone(),
2221 cx.http_client(),
2222 model.api_key(cx),
2223 cx.background_executor(),
2224 );
2225
2226 if let Ok(stop_reason) = result {
2227 match stop_reason {
2228 StopReason::ToolUse => {}
2229 StopReason::EndTurn => {}
2230 StopReason::MaxTokens => {}
2231 StopReason::Refusal => {}
2232 }
2233 }
2234 })
2235 .ok();
2236 }
2237 });
2238
2239 self.pending_completions.push(PendingCompletion {
2240 id: pending_completion_id,
2241 assistant_message_id: assistant_message.id,
2242 _task: task,
2243 });
2244
2245 Some(user_message)
2246 }
2247
2248 pub fn to_xml(&self, cx: &App) -> String {
2249 let mut output = String::new();
2250 let buffer = self.buffer.read(cx);
2251 for message in self.messages(cx) {
2252 if message.status != MessageStatus::Done {
2253 continue;
2254 }
2255
2256 writeln!(&mut output, "<{}>", message.role).unwrap();
2257 for chunk in buffer.text_for_range(message.offset_range) {
2258 output.push_str(chunk);
2259 }
2260 if !output.ends_with('\n') {
2261 output.push('\n');
2262 }
2263 writeln!(&mut output, "</{}>", message.role).unwrap();
2264 }
2265 output
2266 }
2267
2268 pub fn to_completion_request(
2269 &self,
2270 model: Option<&Arc<dyn LanguageModel>>,
2271 cx: &App,
2272 ) -> LanguageModelRequest {
2273 let buffer = self.buffer.read(cx);
2274
2275 let mut contents = self.contents(cx).peekable();
2276
2277 fn collect_text_content(buffer: &Buffer, range: Range<usize>) -> Option<String> {
2278 let text: String = buffer.text_for_range(range.clone()).collect();
2279 if text.trim().is_empty() {
2280 None
2281 } else {
2282 Some(text)
2283 }
2284 }
2285
2286 let mut completion_request = LanguageModelRequest {
2287 thread_id: None,
2288 prompt_id: None,
2289 intent: Some(CompletionIntent::UserPrompt),
2290 mode: None,
2291 messages: Vec::new(),
2292 tools: Vec::new(),
2293 tool_choice: None,
2294 stop: Vec::new(),
2295 temperature: model.and_then(|model| AgentSettings::temperature_for_model(model, cx)),
2296 };
2297 for message in self.messages(cx) {
2298 if message.status != MessageStatus::Done {
2299 continue;
2300 }
2301
2302 let mut offset = message.offset_range.start;
2303 let mut request_message = LanguageModelRequestMessage {
2304 role: message.role,
2305 content: Vec::new(),
2306 cache: message
2307 .cache
2308 .as_ref()
2309 .map_or(false, |cache| cache.is_anchor),
2310 };
2311
2312 while let Some(content) = contents.peek() {
2313 if content
2314 .range()
2315 .end
2316 .cmp(&message.anchor_range.end, buffer)
2317 .is_lt()
2318 {
2319 let content = contents.next().unwrap();
2320 let range = content.range().to_offset(buffer);
2321 request_message.content.extend(
2322 collect_text_content(buffer, offset..range.start).map(MessageContent::Text),
2323 );
2324
2325 match content {
2326 Content::Image { image, .. } => {
2327 if let Some(image) = image.clone().now_or_never().flatten() {
2328 request_message
2329 .content
2330 .push(language_model::MessageContent::Image(image));
2331 }
2332 }
2333 }
2334
2335 offset = range.end;
2336 } else {
2337 break;
2338 }
2339 }
2340
2341 request_message.content.extend(
2342 collect_text_content(buffer, offset..message.offset_range.end)
2343 .map(MessageContent::Text),
2344 );
2345
2346 if !request_message.contents_empty() {
2347 completion_request.messages.push(request_message);
2348 }
2349 }
2350 let supports_burn_mode = if let Some(model) = model {
2351 model.supports_burn_mode()
2352 } else {
2353 false
2354 };
2355
2356 if supports_burn_mode {
2357 completion_request.mode = Some(self.completion_mode.into());
2358 }
2359 completion_request
2360 }
2361
2362 pub fn cancel_last_assist(&mut self, cx: &mut Context<Self>) -> bool {
2363 if let Some(pending_completion) = self.pending_completions.pop() {
2364 self.update_metadata(pending_completion.assistant_message_id, cx, |metadata| {
2365 if metadata.status == MessageStatus::Pending {
2366 metadata.status = MessageStatus::Canceled;
2367 }
2368 });
2369 true
2370 } else {
2371 false
2372 }
2373 }
2374
2375 pub fn cycle_message_roles(&mut self, ids: HashSet<MessageId>, cx: &mut Context<Self>) {
2376 for id in &ids {
2377 if let Some(metadata) = self.messages_metadata.get(id) {
2378 let role = metadata.role.cycle();
2379 self.update_metadata(*id, cx, |metadata| metadata.role = role);
2380 }
2381 }
2382
2383 self.message_roles_updated(ids, cx);
2384 }
2385
2386 fn message_roles_updated(&mut self, ids: HashSet<MessageId>, cx: &mut Context<Self>) {
2387 let mut ranges = Vec::new();
2388 for message in self.messages(cx) {
2389 if ids.contains(&message.id) {
2390 ranges.push(message.anchor_range.clone());
2391 }
2392 }
2393 }
2394
2395 pub fn update_metadata(
2396 &mut self,
2397 id: MessageId,
2398 cx: &mut Context<Self>,
2399 f: impl FnOnce(&mut MessageMetadata),
2400 ) {
2401 let version = self.version.clone();
2402 let timestamp = self.next_timestamp();
2403 if let Some(metadata) = self.messages_metadata.get_mut(&id) {
2404 f(metadata);
2405 metadata.timestamp = timestamp;
2406 let operation = ContextOperation::UpdateMessage {
2407 message_id: id,
2408 metadata: metadata.clone(),
2409 version,
2410 };
2411 self.push_op(operation, cx);
2412 cx.emit(ContextEvent::MessagesEdited);
2413 cx.notify();
2414 }
2415 }
2416
2417 pub fn insert_message_after(
2418 &mut self,
2419 message_id: MessageId,
2420 role: Role,
2421 status: MessageStatus,
2422 cx: &mut Context<Self>,
2423 ) -> Option<MessageAnchor> {
2424 if let Some(prev_message_ix) = self
2425 .message_anchors
2426 .iter()
2427 .position(|message| message.id == message_id)
2428 {
2429 // Find the next valid message after the one we were given.
2430 let mut next_message_ix = prev_message_ix + 1;
2431 while let Some(next_message) = self.message_anchors.get(next_message_ix) {
2432 if next_message.start.is_valid(self.buffer.read(cx)) {
2433 break;
2434 }
2435 next_message_ix += 1;
2436 }
2437
2438 let buffer = self.buffer.read(cx);
2439 let offset = self
2440 .message_anchors
2441 .get(next_message_ix)
2442 .map_or(buffer.len(), |message| {
2443 buffer.clip_offset(message.start.to_offset(buffer) - 1, Bias::Left)
2444 });
2445 Some(self.insert_message_at_offset(offset, role, status, cx))
2446 } else {
2447 None
2448 }
2449 }
2450
2451 fn insert_message_at_offset(
2452 &mut self,
2453 offset: usize,
2454 role: Role,
2455 status: MessageStatus,
2456 cx: &mut Context<Self>,
2457 ) -> MessageAnchor {
2458 let start = self.buffer.update(cx, |buffer, cx| {
2459 buffer.edit([(offset..offset, "\n")], None, cx);
2460 buffer.anchor_before(offset + 1)
2461 });
2462
2463 let version = self.version.clone();
2464 let anchor = MessageAnchor {
2465 id: MessageId(self.next_timestamp()),
2466 start,
2467 };
2468 let metadata = MessageMetadata {
2469 role,
2470 status,
2471 timestamp: anchor.id.0,
2472 cache: None,
2473 };
2474 self.insert_message(anchor.clone(), metadata.clone(), cx);
2475 self.push_op(
2476 ContextOperation::InsertMessage {
2477 anchor: anchor.clone(),
2478 metadata,
2479 version,
2480 },
2481 cx,
2482 );
2483 anchor
2484 }
2485
2486 pub fn insert_content(&mut self, content: Content, cx: &mut Context<Self>) {
2487 let buffer = self.buffer.read(cx);
2488 let insertion_ix = match self
2489 .contents
2490 .binary_search_by(|probe| probe.cmp(&content, buffer))
2491 {
2492 Ok(ix) => {
2493 self.contents.remove(ix);
2494 ix
2495 }
2496 Err(ix) => ix,
2497 };
2498 self.contents.insert(insertion_ix, content);
2499 cx.emit(ContextEvent::MessagesEdited);
2500 }
2501
2502 pub fn contents<'a>(&'a self, cx: &'a App) -> impl 'a + Iterator<Item = Content> {
2503 let buffer = self.buffer.read(cx);
2504 self.contents
2505 .iter()
2506 .filter(|content| {
2507 let range = content.range();
2508 range.start.is_valid(buffer) && range.end.is_valid(buffer)
2509 })
2510 .cloned()
2511 }
2512
2513 pub fn split_message(
2514 &mut self,
2515 range: Range<usize>,
2516 cx: &mut Context<Self>,
2517 ) -> (Option<MessageAnchor>, Option<MessageAnchor>) {
2518 let start_message = self.message_for_offset(range.start, cx);
2519 let end_message = self.message_for_offset(range.end, cx);
2520 if let Some((start_message, end_message)) = start_message.zip(end_message) {
2521 // Prevent splitting when range spans multiple messages.
2522 if start_message.id != end_message.id {
2523 return (None, None);
2524 }
2525
2526 let message = start_message;
2527 let at_end = range.end >= message.offset_range.end.saturating_sub(1);
2528 let role_after = if range.start == range.end || at_end {
2529 Role::User
2530 } else {
2531 message.role
2532 };
2533 let role = message.role;
2534 let mut edited_buffer = false;
2535
2536 let mut suffix_start = None;
2537
2538 // TODO: why did this start panicking?
2539 if range.start > message.offset_range.start
2540 && range.end < message.offset_range.end.saturating_sub(1)
2541 {
2542 if self.buffer.read(cx).chars_at(range.end).next() == Some('\n') {
2543 suffix_start = Some(range.end + 1);
2544 } else if self.buffer.read(cx).reversed_chars_at(range.end).next() == Some('\n') {
2545 suffix_start = Some(range.end);
2546 }
2547 }
2548
2549 let version = self.version.clone();
2550 let suffix = if let Some(suffix_start) = suffix_start {
2551 MessageAnchor {
2552 id: MessageId(self.next_timestamp()),
2553 start: self.buffer.read(cx).anchor_before(suffix_start),
2554 }
2555 } else {
2556 self.buffer.update(cx, |buffer, cx| {
2557 buffer.edit([(range.end..range.end, "\n")], None, cx);
2558 });
2559 edited_buffer = true;
2560 MessageAnchor {
2561 id: MessageId(self.next_timestamp()),
2562 start: self.buffer.read(cx).anchor_before(range.end + 1),
2563 }
2564 };
2565
2566 let suffix_metadata = MessageMetadata {
2567 role: role_after,
2568 status: MessageStatus::Done,
2569 timestamp: suffix.id.0,
2570 cache: None,
2571 };
2572 self.insert_message(suffix.clone(), suffix_metadata.clone(), cx);
2573 self.push_op(
2574 ContextOperation::InsertMessage {
2575 anchor: suffix.clone(),
2576 metadata: suffix_metadata,
2577 version,
2578 },
2579 cx,
2580 );
2581
2582 let new_messages =
2583 if range.start == range.end || range.start == message.offset_range.start {
2584 (None, Some(suffix))
2585 } else {
2586 let mut prefix_end = None;
2587 if range.start > message.offset_range.start
2588 && range.end < message.offset_range.end - 1
2589 {
2590 if self.buffer.read(cx).chars_at(range.start).next() == Some('\n') {
2591 prefix_end = Some(range.start + 1);
2592 } else if self.buffer.read(cx).reversed_chars_at(range.start).next()
2593 == Some('\n')
2594 {
2595 prefix_end = Some(range.start);
2596 }
2597 }
2598
2599 let version = self.version.clone();
2600 let selection = if let Some(prefix_end) = prefix_end {
2601 MessageAnchor {
2602 id: MessageId(self.next_timestamp()),
2603 start: self.buffer.read(cx).anchor_before(prefix_end),
2604 }
2605 } else {
2606 self.buffer.update(cx, |buffer, cx| {
2607 buffer.edit([(range.start..range.start, "\n")], None, cx)
2608 });
2609 edited_buffer = true;
2610 MessageAnchor {
2611 id: MessageId(self.next_timestamp()),
2612 start: self.buffer.read(cx).anchor_before(range.end + 1),
2613 }
2614 };
2615
2616 let selection_metadata = MessageMetadata {
2617 role,
2618 status: MessageStatus::Done,
2619 timestamp: selection.id.0,
2620 cache: None,
2621 };
2622 self.insert_message(selection.clone(), selection_metadata.clone(), cx);
2623 self.push_op(
2624 ContextOperation::InsertMessage {
2625 anchor: selection.clone(),
2626 metadata: selection_metadata,
2627 version,
2628 },
2629 cx,
2630 );
2631
2632 (Some(selection), Some(suffix))
2633 };
2634
2635 if !edited_buffer {
2636 cx.emit(ContextEvent::MessagesEdited);
2637 }
2638 new_messages
2639 } else {
2640 (None, None)
2641 }
2642 }
2643
2644 fn insert_message(
2645 &mut self,
2646 new_anchor: MessageAnchor,
2647 new_metadata: MessageMetadata,
2648 cx: &mut Context<Self>,
2649 ) {
2650 cx.emit(ContextEvent::MessagesEdited);
2651
2652 self.messages_metadata.insert(new_anchor.id, new_metadata);
2653
2654 let buffer = self.buffer.read(cx);
2655 let insertion_ix = self
2656 .message_anchors
2657 .iter()
2658 .position(|anchor| {
2659 let comparison = new_anchor.start.cmp(&anchor.start, buffer);
2660 comparison.is_lt() || (comparison.is_eq() && new_anchor.id > anchor.id)
2661 })
2662 .unwrap_or(self.message_anchors.len());
2663 self.message_anchors.insert(insertion_ix, new_anchor);
2664 }
2665
2666 pub fn summarize(&mut self, mut replace_old: bool, cx: &mut Context<Self>) {
2667 let Some(model) = LanguageModelRegistry::read_global(cx).default_model() else {
2668 return;
2669 };
2670
2671 if replace_old || (self.message_anchors.len() >= 2 && self.summary.is_pending()) {
2672 if !model.provider.is_authenticated(cx) {
2673 return;
2674 }
2675
2676 let mut request = self.to_completion_request(Some(&model.model), cx);
2677 request.messages.push(LanguageModelRequestMessage {
2678 role: Role::User,
2679 content: vec![
2680 "Generate a concise 3-7 word title for this conversation, omitting punctuation. Go straight to the title, without any preamble and prefix like `Here's a concise suggestion:...` or `Title:`"
2681 .into(),
2682 ],
2683 cache: false,
2684 });
2685
2686 // If there is no summary, it is set with `done: false` so that "Loading Summary…" can
2687 // be displayed.
2688 match self.summary {
2689 ContextSummary::Pending | ContextSummary::Error => {
2690 self.summary = ContextSummary::Content(ContextSummaryContent {
2691 text: "".to_string(),
2692 done: false,
2693 timestamp: clock::Lamport::default(),
2694 });
2695 replace_old = true;
2696 }
2697 ContextSummary::Content(_) => {}
2698 }
2699
2700 self.summary_task = cx.spawn(async move |this, cx| {
2701 let result = async {
2702 let stream = model.model.stream_completion_text(request, &cx);
2703 let mut messages = stream.await?;
2704
2705 let mut replaced = !replace_old;
2706 while let Some(message) = messages.stream.next().await {
2707 let text = message?;
2708 let mut lines = text.lines();
2709 this.update(cx, |this, cx| {
2710 let version = this.version.clone();
2711 let timestamp = this.next_timestamp();
2712 let summary = this.summary.content_or_set_empty();
2713 if !replaced && replace_old {
2714 summary.text.clear();
2715 replaced = true;
2716 }
2717 summary.text.extend(lines.next());
2718 summary.timestamp = timestamp;
2719 let operation = ContextOperation::UpdateSummary {
2720 summary: summary.clone(),
2721 version,
2722 };
2723 this.push_op(operation, cx);
2724 cx.emit(ContextEvent::SummaryChanged);
2725 cx.emit(ContextEvent::SummaryGenerated);
2726 })?;
2727
2728 // Stop if the LLM generated multiple lines.
2729 if lines.next().is_some() {
2730 break;
2731 }
2732 }
2733
2734 this.read_with(cx, |this, _cx| {
2735 if let Some(summary) = this.summary.content() {
2736 if summary.text.is_empty() {
2737 bail!("Model generated an empty summary");
2738 }
2739 }
2740 Ok(())
2741 })??;
2742
2743 this.update(cx, |this, cx| {
2744 let version = this.version.clone();
2745 let timestamp = this.next_timestamp();
2746 if let Some(summary) = this.summary.content_as_mut() {
2747 summary.done = true;
2748 summary.timestamp = timestamp;
2749 let operation = ContextOperation::UpdateSummary {
2750 summary: summary.clone(),
2751 version,
2752 };
2753 this.push_op(operation, cx);
2754 cx.emit(ContextEvent::SummaryChanged);
2755 cx.emit(ContextEvent::SummaryGenerated);
2756 }
2757 })?;
2758
2759 anyhow::Ok(())
2760 }
2761 .await;
2762
2763 if let Err(err) = result {
2764 this.update(cx, |this, cx| {
2765 this.summary = ContextSummary::Error;
2766 cx.emit(ContextEvent::SummaryChanged);
2767 })
2768 .log_err();
2769 log::error!("Error generating context summary: {}", err);
2770 }
2771
2772 Some(())
2773 });
2774 }
2775 }
2776
2777 fn message_for_offset(&self, offset: usize, cx: &App) -> Option<Message> {
2778 self.messages_for_offsets([offset], cx).pop()
2779 }
2780
2781 pub fn messages_for_offsets(
2782 &self,
2783 offsets: impl IntoIterator<Item = usize>,
2784 cx: &App,
2785 ) -> Vec<Message> {
2786 let mut result = Vec::new();
2787
2788 let mut messages = self.messages(cx).peekable();
2789 let mut offsets = offsets.into_iter().peekable();
2790 let mut current_message = messages.next();
2791 while let Some(offset) = offsets.next() {
2792 // Locate the message that contains the offset.
2793 while current_message.as_ref().map_or(false, |message| {
2794 !message.offset_range.contains(&offset) && messages.peek().is_some()
2795 }) {
2796 current_message = messages.next();
2797 }
2798 let Some(message) = current_message.as_ref() else {
2799 break;
2800 };
2801
2802 // Skip offsets that are in the same message.
2803 while offsets.peek().map_or(false, |offset| {
2804 message.offset_range.contains(offset) || messages.peek().is_none()
2805 }) {
2806 offsets.next();
2807 }
2808
2809 result.push(message.clone());
2810 }
2811 result
2812 }
2813
2814 fn messages_from_anchors<'a>(
2815 &'a self,
2816 message_anchors: impl Iterator<Item = &'a MessageAnchor> + 'a,
2817 cx: &'a App,
2818 ) -> impl 'a + Iterator<Item = Message> {
2819 let buffer = self.buffer.read(cx);
2820
2821 Self::messages_from_iters(buffer, &self.messages_metadata, message_anchors.enumerate())
2822 }
2823
2824 pub fn messages<'a>(&'a self, cx: &'a App) -> impl 'a + Iterator<Item = Message> {
2825 self.messages_from_anchors(self.message_anchors.iter(), cx)
2826 }
2827
2828 pub fn messages_from_iters<'a>(
2829 buffer: &'a Buffer,
2830 metadata: &'a HashMap<MessageId, MessageMetadata>,
2831 messages: impl Iterator<Item = (usize, &'a MessageAnchor)> + 'a,
2832 ) -> impl 'a + Iterator<Item = Message> {
2833 let mut messages = messages.peekable();
2834
2835 iter::from_fn(move || {
2836 if let Some((start_ix, message_anchor)) = messages.next() {
2837 let metadata = metadata.get(&message_anchor.id)?;
2838
2839 let message_start = message_anchor.start.to_offset(buffer);
2840 let mut message_end = None;
2841 let mut end_ix = start_ix;
2842 while let Some((_, next_message)) = messages.peek() {
2843 if next_message.start.is_valid(buffer) {
2844 message_end = Some(next_message.start);
2845 break;
2846 } else {
2847 end_ix += 1;
2848 messages.next();
2849 }
2850 }
2851 let message_end_anchor = message_end.unwrap_or(language::Anchor::MAX);
2852 let message_end = message_end_anchor.to_offset(buffer);
2853
2854 return Some(Message {
2855 index_range: start_ix..end_ix,
2856 offset_range: message_start..message_end,
2857 anchor_range: message_anchor.start..message_end_anchor,
2858 id: message_anchor.id,
2859 role: metadata.role,
2860 status: metadata.status.clone(),
2861 cache: metadata.cache.clone(),
2862 });
2863 }
2864 None
2865 })
2866 }
2867
2868 pub fn save(
2869 &mut self,
2870 debounce: Option<Duration>,
2871 fs: Arc<dyn Fs>,
2872 cx: &mut Context<AssistantContext>,
2873 ) {
2874 if self.replica_id() != ReplicaId::default() {
2875 // Prevent saving a remote context for now.
2876 return;
2877 }
2878
2879 self.pending_save = cx.spawn(async move |this, cx| {
2880 if let Some(debounce) = debounce {
2881 cx.background_executor().timer(debounce).await;
2882 }
2883
2884 let (old_path, summary) = this.read_with(cx, |this, _| {
2885 let path = this.path.clone();
2886 let summary = if let Some(summary) = this.summary.content() {
2887 if summary.done {
2888 Some(summary.text.clone())
2889 } else {
2890 None
2891 }
2892 } else {
2893 None
2894 };
2895 (path, summary)
2896 })?;
2897
2898 if let Some(summary) = summary {
2899 let context = this.read_with(cx, |this, cx| this.serialize(cx))?;
2900 let mut discriminant = 1;
2901 let mut new_path;
2902 loop {
2903 new_path = contexts_dir().join(&format!(
2904 "{} - {}.zed.json",
2905 summary.trim(),
2906 discriminant
2907 ));
2908 if fs.is_file(&new_path).await {
2909 discriminant += 1;
2910 } else {
2911 break;
2912 }
2913 }
2914
2915 fs.create_dir(contexts_dir().as_ref()).await?;
2916
2917 // rename before write ensures that only one file exists
2918 if let Some(old_path) = old_path.as_ref() {
2919 if new_path.as_path() != old_path.as_ref() {
2920 fs.rename(
2921 &old_path,
2922 &new_path,
2923 RenameOptions {
2924 overwrite: true,
2925 ignore_if_exists: true,
2926 },
2927 )
2928 .await?;
2929 }
2930 }
2931
2932 // update path before write in case it fails
2933 this.update(cx, {
2934 let new_path: Arc<Path> = new_path.clone().into();
2935 move |this, cx| {
2936 this.path = Some(new_path.clone());
2937 cx.emit(ContextEvent::PathChanged { old_path, new_path });
2938 }
2939 })
2940 .ok();
2941
2942 fs.atomic_write(new_path, serde_json::to_string(&context).unwrap())
2943 .await?;
2944 }
2945
2946 Ok(())
2947 });
2948 }
2949
2950 pub fn set_custom_summary(&mut self, custom_summary: String, cx: &mut Context<Self>) {
2951 let timestamp = self.next_timestamp();
2952 let summary = self.summary.content_or_set_empty();
2953 summary.timestamp = timestamp;
2954 summary.done = true;
2955 summary.text = custom_summary;
2956 cx.emit(ContextEvent::SummaryChanged);
2957 }
2958}
2959
2960#[derive(Debug, Default)]
2961pub struct ContextVersion {
2962 context: clock::Global,
2963 buffer: clock::Global,
2964}
2965
2966impl ContextVersion {
2967 pub fn from_proto(proto: &proto::ContextVersion) -> Self {
2968 Self {
2969 context: language::proto::deserialize_version(&proto.context_version),
2970 buffer: language::proto::deserialize_version(&proto.buffer_version),
2971 }
2972 }
2973
2974 pub fn to_proto(&self, context_id: ContextId) -> proto::ContextVersion {
2975 proto::ContextVersion {
2976 context_id: context_id.to_proto(),
2977 context_version: language::proto::serialize_version(&self.context),
2978 buffer_version: language::proto::serialize_version(&self.buffer),
2979 }
2980 }
2981}
2982
2983#[derive(Debug, Clone)]
2984pub struct ParsedSlashCommand {
2985 pub name: String,
2986 pub arguments: SmallVec<[String; 3]>,
2987 pub status: PendingSlashCommandStatus,
2988 pub source_range: Range<language::Anchor>,
2989}
2990
2991#[derive(Debug)]
2992pub struct InvokedSlashCommand {
2993 pub name: SharedString,
2994 pub range: Range<language::Anchor>,
2995 pub run_commands_in_ranges: Vec<Range<language::Anchor>>,
2996 pub status: InvokedSlashCommandStatus,
2997 pub transaction: Option<language::TransactionId>,
2998 timestamp: clock::Lamport,
2999}
3000
3001#[derive(Debug)]
3002pub enum InvokedSlashCommandStatus {
3003 Running(Task<()>),
3004 Error(SharedString),
3005 Finished,
3006}
3007
3008#[derive(Debug, Clone)]
3009pub enum PendingSlashCommandStatus {
3010 Idle,
3011 Running { _task: Shared<Task<()>> },
3012 Error(String),
3013}
3014
3015#[derive(Debug, Clone)]
3016pub struct PendingToolUse {
3017 pub id: LanguageModelToolUseId,
3018 pub name: String,
3019 pub input: serde_json::Value,
3020 pub status: PendingToolUseStatus,
3021 pub source_range: Range<language::Anchor>,
3022}
3023
3024#[derive(Debug, Clone)]
3025pub enum PendingToolUseStatus {
3026 Idle,
3027 Running { _task: Shared<Task<()>> },
3028 Error(String),
3029}
3030
3031impl PendingToolUseStatus {
3032 pub fn is_idle(&self) -> bool {
3033 matches!(self, PendingToolUseStatus::Idle)
3034 }
3035}
3036
3037#[derive(Serialize, Deserialize)]
3038pub struct SavedMessage {
3039 pub id: MessageId,
3040 pub start: usize,
3041 pub metadata: MessageMetadata,
3042}
3043
3044#[derive(Serialize, Deserialize)]
3045pub struct SavedContext {
3046 pub id: Option<ContextId>,
3047 pub zed: String,
3048 pub version: String,
3049 pub text: String,
3050 pub messages: Vec<SavedMessage>,
3051 pub summary: String,
3052 pub slash_command_output_sections:
3053 Vec<assistant_slash_command::SlashCommandOutputSection<usize>>,
3054 #[serde(default)]
3055 pub thought_process_output_sections: Vec<ThoughtProcessOutputSection<usize>>,
3056}
3057
3058impl SavedContext {
3059 pub const VERSION: &'static str = "0.4.0";
3060
3061 pub fn from_json(json: &str) -> Result<Self> {
3062 let saved_context_json = serde_json::from_str::<serde_json::Value>(json)?;
3063 match saved_context_json
3064 .get("version")
3065 .context("version not found")?
3066 {
3067 serde_json::Value::String(version) => match version.as_str() {
3068 SavedContext::VERSION => {
3069 Ok(serde_json::from_value::<SavedContext>(saved_context_json)?)
3070 }
3071 SavedContextV0_3_0::VERSION => {
3072 let saved_context =
3073 serde_json::from_value::<SavedContextV0_3_0>(saved_context_json)?;
3074 Ok(saved_context.upgrade())
3075 }
3076 SavedContextV0_2_0::VERSION => {
3077 let saved_context =
3078 serde_json::from_value::<SavedContextV0_2_0>(saved_context_json)?;
3079 Ok(saved_context.upgrade())
3080 }
3081 SavedContextV0_1_0::VERSION => {
3082 let saved_context =
3083 serde_json::from_value::<SavedContextV0_1_0>(saved_context_json)?;
3084 Ok(saved_context.upgrade())
3085 }
3086 _ => anyhow::bail!("unrecognized saved context version: {version:?}"),
3087 },
3088 _ => anyhow::bail!("version not found on saved context"),
3089 }
3090 }
3091
3092 fn into_ops(
3093 self,
3094 buffer: &Entity<Buffer>,
3095 cx: &mut Context<AssistantContext>,
3096 ) -> Vec<ContextOperation> {
3097 let mut operations = Vec::new();
3098 let mut version = clock::Global::new();
3099 let mut next_timestamp = clock::Lamport::new(ReplicaId::default());
3100
3101 let mut first_message_metadata = None;
3102 for message in self.messages {
3103 if message.id == MessageId(clock::Lamport::default()) {
3104 first_message_metadata = Some(message.metadata);
3105 } else {
3106 operations.push(ContextOperation::InsertMessage {
3107 anchor: MessageAnchor {
3108 id: message.id,
3109 start: buffer.read(cx).anchor_before(message.start),
3110 },
3111 metadata: MessageMetadata {
3112 role: message.metadata.role,
3113 status: message.metadata.status,
3114 timestamp: message.metadata.timestamp,
3115 cache: None,
3116 },
3117 version: version.clone(),
3118 });
3119 version.observe(message.id.0);
3120 next_timestamp.observe(message.id.0);
3121 }
3122 }
3123
3124 if let Some(metadata) = first_message_metadata {
3125 let timestamp = next_timestamp.tick();
3126 operations.push(ContextOperation::UpdateMessage {
3127 message_id: MessageId(clock::Lamport::default()),
3128 metadata: MessageMetadata {
3129 role: metadata.role,
3130 status: metadata.status,
3131 timestamp,
3132 cache: None,
3133 },
3134 version: version.clone(),
3135 });
3136 version.observe(timestamp);
3137 }
3138
3139 let buffer = buffer.read(cx);
3140 for section in self.slash_command_output_sections {
3141 let timestamp = next_timestamp.tick();
3142 operations.push(ContextOperation::SlashCommandOutputSectionAdded {
3143 timestamp,
3144 section: SlashCommandOutputSection {
3145 range: buffer.anchor_after(section.range.start)
3146 ..buffer.anchor_before(section.range.end),
3147 icon: section.icon,
3148 label: section.label,
3149 metadata: section.metadata,
3150 },
3151 version: version.clone(),
3152 });
3153
3154 version.observe(timestamp);
3155 }
3156
3157 for section in self.thought_process_output_sections {
3158 let timestamp = next_timestamp.tick();
3159 operations.push(ContextOperation::ThoughtProcessOutputSectionAdded {
3160 timestamp,
3161 section: ThoughtProcessOutputSection {
3162 range: buffer.anchor_after(section.range.start)
3163 ..buffer.anchor_before(section.range.end),
3164 },
3165 version: version.clone(),
3166 });
3167
3168 version.observe(timestamp);
3169 }
3170
3171 let timestamp = next_timestamp.tick();
3172 operations.push(ContextOperation::UpdateSummary {
3173 summary: ContextSummaryContent {
3174 text: self.summary,
3175 done: true,
3176 timestamp,
3177 },
3178 version: version.clone(),
3179 });
3180 version.observe(timestamp);
3181
3182 operations
3183 }
3184}
3185
3186#[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
3187struct SavedMessageIdPreV0_4_0(usize);
3188
3189#[derive(Serialize, Deserialize)]
3190struct SavedMessagePreV0_4_0 {
3191 id: SavedMessageIdPreV0_4_0,
3192 start: usize,
3193}
3194
3195#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
3196struct SavedMessageMetadataPreV0_4_0 {
3197 role: Role,
3198 status: MessageStatus,
3199}
3200
3201#[derive(Serialize, Deserialize)]
3202struct SavedContextV0_3_0 {
3203 id: Option<ContextId>,
3204 zed: String,
3205 version: String,
3206 text: String,
3207 messages: Vec<SavedMessagePreV0_4_0>,
3208 message_metadata: HashMap<SavedMessageIdPreV0_4_0, SavedMessageMetadataPreV0_4_0>,
3209 summary: String,
3210 slash_command_output_sections: Vec<assistant_slash_command::SlashCommandOutputSection<usize>>,
3211}
3212
3213impl SavedContextV0_3_0 {
3214 const VERSION: &'static str = "0.3.0";
3215
3216 fn upgrade(self) -> SavedContext {
3217 SavedContext {
3218 id: self.id,
3219 zed: self.zed,
3220 version: SavedContext::VERSION.into(),
3221 text: self.text,
3222 messages: self
3223 .messages
3224 .into_iter()
3225 .filter_map(|message| {
3226 let metadata = self.message_metadata.get(&message.id)?;
3227 let timestamp = clock::Lamport {
3228 replica_id: ReplicaId::default(),
3229 value: message.id.0 as u32,
3230 };
3231 Some(SavedMessage {
3232 id: MessageId(timestamp),
3233 start: message.start,
3234 metadata: MessageMetadata {
3235 role: metadata.role,
3236 status: metadata.status.clone(),
3237 timestamp,
3238 cache: None,
3239 },
3240 })
3241 })
3242 .collect(),
3243 summary: self.summary,
3244 slash_command_output_sections: self.slash_command_output_sections,
3245 thought_process_output_sections: Vec::new(),
3246 }
3247 }
3248}
3249
3250#[derive(Serialize, Deserialize)]
3251struct SavedContextV0_2_0 {
3252 id: Option<ContextId>,
3253 zed: String,
3254 version: String,
3255 text: String,
3256 messages: Vec<SavedMessagePreV0_4_0>,
3257 message_metadata: HashMap<SavedMessageIdPreV0_4_0, SavedMessageMetadataPreV0_4_0>,
3258 summary: String,
3259}
3260
3261impl SavedContextV0_2_0 {
3262 const VERSION: &'static str = "0.2.0";
3263
3264 fn upgrade(self) -> SavedContext {
3265 SavedContextV0_3_0 {
3266 id: self.id,
3267 zed: self.zed,
3268 version: SavedContextV0_3_0::VERSION.to_string(),
3269 text: self.text,
3270 messages: self.messages,
3271 message_metadata: self.message_metadata,
3272 summary: self.summary,
3273 slash_command_output_sections: Vec::new(),
3274 }
3275 .upgrade()
3276 }
3277}
3278
3279#[derive(Serialize, Deserialize)]
3280struct SavedContextV0_1_0 {
3281 id: Option<ContextId>,
3282 zed: String,
3283 version: String,
3284 text: String,
3285 messages: Vec<SavedMessagePreV0_4_0>,
3286 message_metadata: HashMap<SavedMessageIdPreV0_4_0, SavedMessageMetadataPreV0_4_0>,
3287 summary: String,
3288 api_url: Option<String>,
3289 model: OpenAiModel,
3290}
3291
3292impl SavedContextV0_1_0 {
3293 const VERSION: &'static str = "0.1.0";
3294
3295 fn upgrade(self) -> SavedContext {
3296 SavedContextV0_2_0 {
3297 id: self.id,
3298 zed: self.zed,
3299 version: SavedContextV0_2_0::VERSION.to_string(),
3300 text: self.text,
3301 messages: self.messages,
3302 message_metadata: self.message_metadata,
3303 summary: self.summary,
3304 }
3305 .upgrade()
3306 }
3307}
3308
3309#[derive(Debug, Clone)]
3310pub struct SavedContextMetadata {
3311 pub title: SharedString,
3312 pub path: Arc<Path>,
3313 pub mtime: chrono::DateTime<chrono::Local>,
3314}