1#[cfg(test)]
2mod assistant_context_tests;
3mod context_store;
4
5use agent_settings::{AgentSettings, SUMMARIZE_THREAD_PROMPT};
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, ModelRequestUsage, RequestUsage, proto, telemetry::Telemetry};
13use clock::ReplicaId;
14use cloud_llm_client::{CompletionIntent, CompletionRequestStatus, UsageLimit};
15use collections::{HashMap, HashSet};
16use fs::{Fs, RenameOptions};
17use futures::{FutureExt, StreamExt, future::Shared};
18use gpui::{
19 App, AppContext as _, Context, Entity, EventEmitter, RenderImage, SharedString, Subscription,
20 Task,
21};
22use language::{AnchorRangeExt, Bias, Buffer, LanguageRegistry, OffsetRangeExt, Point, ToOffset};
23use language_model::{
24 LanguageModel, LanguageModelCacheConfiguration, LanguageModelCompletionEvent,
25 LanguageModelImage, LanguageModelRegistry, LanguageModelRequest, LanguageModelRequestMessage,
26 LanguageModelToolUseId, MessageContent, PaymentRequiredError, Role, StopReason,
27 report_assistant_event,
28};
29use open_ai::Model as OpenAiModel;
30use paths::contexts_dir;
31use project::Project;
32use prompt_store::PromptBuilder;
33use serde::{Deserialize, Serialize};
34use settings::Settings;
35use smallvec::SmallVec;
36use std::{
37 cmp::{Ordering, max},
38 fmt::{Debug, Write as _},
39 iter, mem,
40 ops::Range,
41 path::Path,
42 sync::Arc,
43 time::{Duration, Instant},
44};
45use telemetry_events::{AssistantEventData, AssistantKind, AssistantPhase};
46use text::{BufferSnapshot, ToPoint};
47use ui::IconName;
48use util::{ResultExt, TryFutureExt, post_inc};
49use uuid::Uuid;
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(status_update) => {
2084 match status_update {
2085 CompletionRequestStatus::UsageUpdated { amount, limit } => {
2086 this.update_model_request_usage(
2087 amount as u32,
2088 limit,
2089 cx,
2090 );
2091 }
2092 _ => {}
2093 }
2094 }
2095 LanguageModelCompletionEvent::StartMessage { .. } => {}
2096 LanguageModelCompletionEvent::Stop(reason) => {
2097 stop_reason = reason;
2098 }
2099 LanguageModelCompletionEvent::Thinking { text: chunk, .. } => {
2100 if thought_process_stack.is_empty() {
2101 let start =
2102 buffer.anchor_before(message_old_end_offset);
2103 thought_process_stack.push(start);
2104 let chunk =
2105 format!("{THOUGHT_PROCESS_START_MARKER}{chunk}{THOUGHT_PROCESS_END_MARKER}");
2106 let chunk_len = chunk.len();
2107 buffer.edit(
2108 [(
2109 message_old_end_offset..message_old_end_offset,
2110 chunk,
2111 )],
2112 None,
2113 cx,
2114 );
2115 let end = buffer
2116 .anchor_before(message_old_end_offset + chunk_len);
2117 context_event = Some(
2118 ContextEvent::StartedThoughtProcess(start..end),
2119 );
2120 } else {
2121 // This ensures that all the thinking chunks are inserted inside the thinking tag
2122 let insertion_position =
2123 message_old_end_offset - THOUGHT_PROCESS_END_MARKER.len();
2124 buffer.edit(
2125 [(insertion_position..insertion_position, chunk)],
2126 None,
2127 cx,
2128 );
2129 }
2130 }
2131 LanguageModelCompletionEvent::RedactedThinking { .. } => {},
2132 LanguageModelCompletionEvent::Text(mut chunk) => {
2133 if let Some(start) = thought_process_stack.pop() {
2134 let end = buffer.anchor_before(message_old_end_offset);
2135 context_event =
2136 Some(ContextEvent::EndedThoughtProcess(end));
2137 thought_process_output_section =
2138 Some(ThoughtProcessOutputSection {
2139 range: start..end,
2140 });
2141 chunk.insert_str(0, "\n\n");
2142 }
2143
2144 buffer.edit(
2145 [(
2146 message_old_end_offset..message_old_end_offset,
2147 chunk,
2148 )],
2149 None,
2150 cx,
2151 );
2152 }
2153 LanguageModelCompletionEvent::ToolUse(_) |
2154 LanguageModelCompletionEvent::ToolUseJsonParseError { .. } |
2155 LanguageModelCompletionEvent::UsageUpdate(_) => {}
2156 }
2157 });
2158
2159 if let Some(section) = thought_process_output_section.take() {
2160 this.insert_thought_process_output_section(section, cx);
2161 }
2162 if let Some(context_event) = context_event.take() {
2163 cx.emit(context_event);
2164 }
2165
2166 cx.emit(ContextEvent::StreamedCompletion);
2167
2168 Some(())
2169 })?;
2170 smol::future::yield_now().await;
2171 }
2172 this.update(cx, |this, cx| {
2173 this.pending_completions
2174 .retain(|completion| completion.id != pending_completion_id);
2175 this.summarize(false, cx);
2176 this.update_cache_status_for_completion(cx);
2177 })?;
2178
2179 anyhow::Ok(stop_reason)
2180 };
2181
2182 let result = stream_completion.await;
2183
2184 this.update(cx, |this, cx| {
2185 let error_message = if let Some(error) = result.as_ref().err() {
2186 if error.is::<PaymentRequiredError>() {
2187 cx.emit(ContextEvent::ShowPaymentRequiredError);
2188 this.update_metadata(assistant_message_id, cx, |metadata| {
2189 metadata.status = MessageStatus::Canceled;
2190 });
2191 Some(error.to_string())
2192 } else {
2193 let error_message = error
2194 .chain()
2195 .map(|err| err.to_string())
2196 .collect::<Vec<_>>()
2197 .join("\n");
2198 cx.emit(ContextEvent::ShowAssistError(SharedString::from(
2199 error_message.clone(),
2200 )));
2201 this.update_metadata(assistant_message_id, cx, |metadata| {
2202 metadata.status =
2203 MessageStatus::Error(SharedString::from(error_message.clone()));
2204 });
2205 Some(error_message)
2206 }
2207 } else {
2208 this.update_metadata(assistant_message_id, cx, |metadata| {
2209 metadata.status = MessageStatus::Done;
2210 });
2211 None
2212 };
2213
2214 let language_name = this
2215 .buffer
2216 .read(cx)
2217 .language()
2218 .map(|language| language.name());
2219 report_assistant_event(
2220 AssistantEventData {
2221 conversation_id: Some(this.id.0.clone()),
2222 kind: AssistantKind::Panel,
2223 phase: AssistantPhase::Response,
2224 message_id: None,
2225 model: model.telemetry_id(),
2226 model_provider: model.provider_id().to_string(),
2227 response_latency,
2228 error_message,
2229 language_name: language_name.map(|name| name.to_proto()),
2230 },
2231 this.telemetry.clone(),
2232 cx.http_client(),
2233 model.api_key(cx),
2234 cx.background_executor(),
2235 );
2236
2237 if let Ok(stop_reason) = result {
2238 match stop_reason {
2239 StopReason::ToolUse => {}
2240 StopReason::EndTurn => {}
2241 StopReason::MaxTokens => {}
2242 StopReason::Refusal => {}
2243 }
2244 }
2245 })
2246 .ok();
2247 }
2248 });
2249
2250 self.pending_completions.push(PendingCompletion {
2251 id: pending_completion_id,
2252 assistant_message_id: assistant_message.id,
2253 _task: task,
2254 });
2255
2256 Some(user_message)
2257 }
2258
2259 pub fn to_xml(&self, cx: &App) -> String {
2260 let mut output = String::new();
2261 let buffer = self.buffer.read(cx);
2262 for message in self.messages(cx) {
2263 if message.status != MessageStatus::Done {
2264 continue;
2265 }
2266
2267 writeln!(&mut output, "<{}>", message.role).unwrap();
2268 for chunk in buffer.text_for_range(message.offset_range) {
2269 output.push_str(chunk);
2270 }
2271 if !output.ends_with('\n') {
2272 output.push('\n');
2273 }
2274 writeln!(&mut output, "</{}>", message.role).unwrap();
2275 }
2276 output
2277 }
2278
2279 pub fn to_completion_request(
2280 &self,
2281 model: Option<&Arc<dyn LanguageModel>>,
2282 cx: &App,
2283 ) -> LanguageModelRequest {
2284 let buffer = self.buffer.read(cx);
2285
2286 let mut contents = self.contents(cx).peekable();
2287
2288 fn collect_text_content(buffer: &Buffer, range: Range<usize>) -> Option<String> {
2289 let text: String = buffer.text_for_range(range.clone()).collect();
2290 if text.trim().is_empty() {
2291 None
2292 } else {
2293 Some(text)
2294 }
2295 }
2296
2297 let mut completion_request = LanguageModelRequest {
2298 thread_id: None,
2299 prompt_id: None,
2300 intent: Some(CompletionIntent::UserPrompt),
2301 mode: None,
2302 messages: Vec::new(),
2303 tools: Vec::new(),
2304 tool_choice: None,
2305 stop: Vec::new(),
2306 temperature: model.and_then(|model| AgentSettings::temperature_for_model(model, cx)),
2307 thinking_allowed: true,
2308 };
2309 for message in self.messages(cx) {
2310 if message.status != MessageStatus::Done {
2311 continue;
2312 }
2313
2314 let mut offset = message.offset_range.start;
2315 let mut request_message = LanguageModelRequestMessage {
2316 role: message.role,
2317 content: Vec::new(),
2318 cache: message
2319 .cache
2320 .as_ref()
2321 .map_or(false, |cache| cache.is_anchor),
2322 };
2323
2324 while let Some(content) = contents.peek() {
2325 if content
2326 .range()
2327 .end
2328 .cmp(&message.anchor_range.end, buffer)
2329 .is_lt()
2330 {
2331 let content = contents.next().unwrap();
2332 let range = content.range().to_offset(buffer);
2333 request_message.content.extend(
2334 collect_text_content(buffer, offset..range.start).map(MessageContent::Text),
2335 );
2336
2337 match content {
2338 Content::Image { image, .. } => {
2339 if let Some(image) = image.clone().now_or_never().flatten() {
2340 request_message
2341 .content
2342 .push(language_model::MessageContent::Image(image));
2343 }
2344 }
2345 }
2346
2347 offset = range.end;
2348 } else {
2349 break;
2350 }
2351 }
2352
2353 request_message.content.extend(
2354 collect_text_content(buffer, offset..message.offset_range.end)
2355 .map(MessageContent::Text),
2356 );
2357
2358 if !request_message.contents_empty() {
2359 completion_request.messages.push(request_message);
2360 }
2361 }
2362 let supports_burn_mode = if let Some(model) = model {
2363 model.supports_burn_mode()
2364 } else {
2365 false
2366 };
2367
2368 if supports_burn_mode {
2369 completion_request.mode = Some(self.completion_mode.into());
2370 }
2371 completion_request
2372 }
2373
2374 pub fn cancel_last_assist(&mut self, cx: &mut Context<Self>) -> bool {
2375 if let Some(pending_completion) = self.pending_completions.pop() {
2376 self.update_metadata(pending_completion.assistant_message_id, cx, |metadata| {
2377 if metadata.status == MessageStatus::Pending {
2378 metadata.status = MessageStatus::Canceled;
2379 }
2380 });
2381 true
2382 } else {
2383 false
2384 }
2385 }
2386
2387 pub fn cycle_message_roles(&mut self, ids: HashSet<MessageId>, cx: &mut Context<Self>) {
2388 for id in &ids {
2389 if let Some(metadata) = self.messages_metadata.get(id) {
2390 let role = metadata.role.cycle();
2391 self.update_metadata(*id, cx, |metadata| metadata.role = role);
2392 }
2393 }
2394
2395 self.message_roles_updated(ids, cx);
2396 }
2397
2398 fn message_roles_updated(&mut self, ids: HashSet<MessageId>, cx: &mut Context<Self>) {
2399 let mut ranges = Vec::new();
2400 for message in self.messages(cx) {
2401 if ids.contains(&message.id) {
2402 ranges.push(message.anchor_range.clone());
2403 }
2404 }
2405 }
2406
2407 pub fn update_metadata(
2408 &mut self,
2409 id: MessageId,
2410 cx: &mut Context<Self>,
2411 f: impl FnOnce(&mut MessageMetadata),
2412 ) {
2413 let version = self.version.clone();
2414 let timestamp = self.next_timestamp();
2415 if let Some(metadata) = self.messages_metadata.get_mut(&id) {
2416 f(metadata);
2417 metadata.timestamp = timestamp;
2418 let operation = ContextOperation::UpdateMessage {
2419 message_id: id,
2420 metadata: metadata.clone(),
2421 version,
2422 };
2423 self.push_op(operation, cx);
2424 cx.emit(ContextEvent::MessagesEdited);
2425 cx.notify();
2426 }
2427 }
2428
2429 pub fn insert_message_after(
2430 &mut self,
2431 message_id: MessageId,
2432 role: Role,
2433 status: MessageStatus,
2434 cx: &mut Context<Self>,
2435 ) -> Option<MessageAnchor> {
2436 if let Some(prev_message_ix) = self
2437 .message_anchors
2438 .iter()
2439 .position(|message| message.id == message_id)
2440 {
2441 // Find the next valid message after the one we were given.
2442 let mut next_message_ix = prev_message_ix + 1;
2443 while let Some(next_message) = self.message_anchors.get(next_message_ix) {
2444 if next_message.start.is_valid(self.buffer.read(cx)) {
2445 break;
2446 }
2447 next_message_ix += 1;
2448 }
2449
2450 let buffer = self.buffer.read(cx);
2451 let offset = self
2452 .message_anchors
2453 .get(next_message_ix)
2454 .map_or(buffer.len(), |message| {
2455 buffer.clip_offset(message.start.to_offset(buffer) - 1, Bias::Left)
2456 });
2457 Some(self.insert_message_at_offset(offset, role, status, cx))
2458 } else {
2459 None
2460 }
2461 }
2462
2463 fn insert_message_at_offset(
2464 &mut self,
2465 offset: usize,
2466 role: Role,
2467 status: MessageStatus,
2468 cx: &mut Context<Self>,
2469 ) -> MessageAnchor {
2470 let start = self.buffer.update(cx, |buffer, cx| {
2471 buffer.edit([(offset..offset, "\n")], None, cx);
2472 buffer.anchor_before(offset + 1)
2473 });
2474
2475 let version = self.version.clone();
2476 let anchor = MessageAnchor {
2477 id: MessageId(self.next_timestamp()),
2478 start,
2479 };
2480 let metadata = MessageMetadata {
2481 role,
2482 status,
2483 timestamp: anchor.id.0,
2484 cache: None,
2485 };
2486 self.insert_message(anchor.clone(), metadata.clone(), cx);
2487 self.push_op(
2488 ContextOperation::InsertMessage {
2489 anchor: anchor.clone(),
2490 metadata,
2491 version,
2492 },
2493 cx,
2494 );
2495 anchor
2496 }
2497
2498 pub fn insert_content(&mut self, content: Content, cx: &mut Context<Self>) {
2499 let buffer = self.buffer.read(cx);
2500 let insertion_ix = match self
2501 .contents
2502 .binary_search_by(|probe| probe.cmp(&content, buffer))
2503 {
2504 Ok(ix) => {
2505 self.contents.remove(ix);
2506 ix
2507 }
2508 Err(ix) => ix,
2509 };
2510 self.contents.insert(insertion_ix, content);
2511 cx.emit(ContextEvent::MessagesEdited);
2512 }
2513
2514 pub fn contents<'a>(&'a self, cx: &'a App) -> impl 'a + Iterator<Item = Content> {
2515 let buffer = self.buffer.read(cx);
2516 self.contents
2517 .iter()
2518 .filter(|content| {
2519 let range = content.range();
2520 range.start.is_valid(buffer) && range.end.is_valid(buffer)
2521 })
2522 .cloned()
2523 }
2524
2525 pub fn split_message(
2526 &mut self,
2527 range: Range<usize>,
2528 cx: &mut Context<Self>,
2529 ) -> (Option<MessageAnchor>, Option<MessageAnchor>) {
2530 let start_message = self.message_for_offset(range.start, cx);
2531 let end_message = self.message_for_offset(range.end, cx);
2532 if let Some((start_message, end_message)) = start_message.zip(end_message) {
2533 // Prevent splitting when range spans multiple messages.
2534 if start_message.id != end_message.id {
2535 return (None, None);
2536 }
2537
2538 let message = start_message;
2539 let at_end = range.end >= message.offset_range.end.saturating_sub(1);
2540 let role_after = if range.start == range.end || at_end {
2541 Role::User
2542 } else {
2543 message.role
2544 };
2545 let role = message.role;
2546 let mut edited_buffer = false;
2547
2548 let mut suffix_start = None;
2549
2550 // TODO: why did this start panicking?
2551 if range.start > message.offset_range.start
2552 && range.end < message.offset_range.end.saturating_sub(1)
2553 {
2554 if self.buffer.read(cx).chars_at(range.end).next() == Some('\n') {
2555 suffix_start = Some(range.end + 1);
2556 } else if self.buffer.read(cx).reversed_chars_at(range.end).next() == Some('\n') {
2557 suffix_start = Some(range.end);
2558 }
2559 }
2560
2561 let version = self.version.clone();
2562 let suffix = if let Some(suffix_start) = suffix_start {
2563 MessageAnchor {
2564 id: MessageId(self.next_timestamp()),
2565 start: self.buffer.read(cx).anchor_before(suffix_start),
2566 }
2567 } else {
2568 self.buffer.update(cx, |buffer, cx| {
2569 buffer.edit([(range.end..range.end, "\n")], None, cx);
2570 });
2571 edited_buffer = true;
2572 MessageAnchor {
2573 id: MessageId(self.next_timestamp()),
2574 start: self.buffer.read(cx).anchor_before(range.end + 1),
2575 }
2576 };
2577
2578 let suffix_metadata = MessageMetadata {
2579 role: role_after,
2580 status: MessageStatus::Done,
2581 timestamp: suffix.id.0,
2582 cache: None,
2583 };
2584 self.insert_message(suffix.clone(), suffix_metadata.clone(), cx);
2585 self.push_op(
2586 ContextOperation::InsertMessage {
2587 anchor: suffix.clone(),
2588 metadata: suffix_metadata,
2589 version,
2590 },
2591 cx,
2592 );
2593
2594 let new_messages =
2595 if range.start == range.end || range.start == message.offset_range.start {
2596 (None, Some(suffix))
2597 } else {
2598 let mut prefix_end = None;
2599 if range.start > message.offset_range.start
2600 && range.end < message.offset_range.end - 1
2601 {
2602 if self.buffer.read(cx).chars_at(range.start).next() == Some('\n') {
2603 prefix_end = Some(range.start + 1);
2604 } else if self.buffer.read(cx).reversed_chars_at(range.start).next()
2605 == Some('\n')
2606 {
2607 prefix_end = Some(range.start);
2608 }
2609 }
2610
2611 let version = self.version.clone();
2612 let selection = if let Some(prefix_end) = prefix_end {
2613 MessageAnchor {
2614 id: MessageId(self.next_timestamp()),
2615 start: self.buffer.read(cx).anchor_before(prefix_end),
2616 }
2617 } else {
2618 self.buffer.update(cx, |buffer, cx| {
2619 buffer.edit([(range.start..range.start, "\n")], None, cx)
2620 });
2621 edited_buffer = true;
2622 MessageAnchor {
2623 id: MessageId(self.next_timestamp()),
2624 start: self.buffer.read(cx).anchor_before(range.end + 1),
2625 }
2626 };
2627
2628 let selection_metadata = MessageMetadata {
2629 role,
2630 status: MessageStatus::Done,
2631 timestamp: selection.id.0,
2632 cache: None,
2633 };
2634 self.insert_message(selection.clone(), selection_metadata.clone(), cx);
2635 self.push_op(
2636 ContextOperation::InsertMessage {
2637 anchor: selection.clone(),
2638 metadata: selection_metadata,
2639 version,
2640 },
2641 cx,
2642 );
2643
2644 (Some(selection), Some(suffix))
2645 };
2646
2647 if !edited_buffer {
2648 cx.emit(ContextEvent::MessagesEdited);
2649 }
2650 new_messages
2651 } else {
2652 (None, None)
2653 }
2654 }
2655
2656 fn insert_message(
2657 &mut self,
2658 new_anchor: MessageAnchor,
2659 new_metadata: MessageMetadata,
2660 cx: &mut Context<Self>,
2661 ) {
2662 cx.emit(ContextEvent::MessagesEdited);
2663
2664 self.messages_metadata.insert(new_anchor.id, new_metadata);
2665
2666 let buffer = self.buffer.read(cx);
2667 let insertion_ix = self
2668 .message_anchors
2669 .iter()
2670 .position(|anchor| {
2671 let comparison = new_anchor.start.cmp(&anchor.start, buffer);
2672 comparison.is_lt() || (comparison.is_eq() && new_anchor.id > anchor.id)
2673 })
2674 .unwrap_or(self.message_anchors.len());
2675 self.message_anchors.insert(insertion_ix, new_anchor);
2676 }
2677
2678 pub fn summarize(&mut self, mut replace_old: bool, cx: &mut Context<Self>) {
2679 let Some(model) = LanguageModelRegistry::read_global(cx).default_model() else {
2680 return;
2681 };
2682
2683 if replace_old || (self.message_anchors.len() >= 2 && self.summary.is_pending()) {
2684 if !model.provider.is_authenticated(cx) {
2685 return;
2686 }
2687
2688 let mut request = self.to_completion_request(Some(&model.model), cx);
2689 request.messages.push(LanguageModelRequestMessage {
2690 role: Role::User,
2691 content: vec![SUMMARIZE_THREAD_PROMPT.into()],
2692 cache: false,
2693 });
2694
2695 // If there is no summary, it is set with `done: false` so that "Loading Summary…" can
2696 // be displayed.
2697 match self.summary {
2698 ContextSummary::Pending | ContextSummary::Error => {
2699 self.summary = ContextSummary::Content(ContextSummaryContent {
2700 text: "".to_string(),
2701 done: false,
2702 timestamp: clock::Lamport::default(),
2703 });
2704 replace_old = true;
2705 }
2706 ContextSummary::Content(_) => {}
2707 }
2708
2709 self.summary_task = cx.spawn(async move |this, cx| {
2710 let result = async {
2711 let stream = model.model.stream_completion_text(request, &cx);
2712 let mut messages = stream.await?;
2713
2714 let mut replaced = !replace_old;
2715 while let Some(message) = messages.stream.next().await {
2716 let text = message?;
2717 let mut lines = text.lines();
2718 this.update(cx, |this, cx| {
2719 let version = this.version.clone();
2720 let timestamp = this.next_timestamp();
2721 let summary = this.summary.content_or_set_empty();
2722 if !replaced && replace_old {
2723 summary.text.clear();
2724 replaced = true;
2725 }
2726 summary.text.extend(lines.next());
2727 summary.timestamp = timestamp;
2728 let operation = ContextOperation::UpdateSummary {
2729 summary: summary.clone(),
2730 version,
2731 };
2732 this.push_op(operation, cx);
2733 cx.emit(ContextEvent::SummaryChanged);
2734 cx.emit(ContextEvent::SummaryGenerated);
2735 })?;
2736
2737 // Stop if the LLM generated multiple lines.
2738 if lines.next().is_some() {
2739 break;
2740 }
2741 }
2742
2743 this.read_with(cx, |this, _cx| {
2744 if let Some(summary) = this.summary.content() {
2745 if summary.text.is_empty() {
2746 bail!("Model generated an empty summary");
2747 }
2748 }
2749 Ok(())
2750 })??;
2751
2752 this.update(cx, |this, cx| {
2753 let version = this.version.clone();
2754 let timestamp = this.next_timestamp();
2755 if let Some(summary) = this.summary.content_as_mut() {
2756 summary.done = true;
2757 summary.timestamp = timestamp;
2758 let operation = ContextOperation::UpdateSummary {
2759 summary: summary.clone(),
2760 version,
2761 };
2762 this.push_op(operation, cx);
2763 cx.emit(ContextEvent::SummaryChanged);
2764 cx.emit(ContextEvent::SummaryGenerated);
2765 }
2766 })?;
2767
2768 anyhow::Ok(())
2769 }
2770 .await;
2771
2772 if let Err(err) = result {
2773 this.update(cx, |this, cx| {
2774 this.summary = ContextSummary::Error;
2775 cx.emit(ContextEvent::SummaryChanged);
2776 })
2777 .log_err();
2778 log::error!("Error generating context summary: {}", err);
2779 }
2780
2781 Some(())
2782 });
2783 }
2784 }
2785
2786 fn message_for_offset(&self, offset: usize, cx: &App) -> Option<Message> {
2787 self.messages_for_offsets([offset], cx).pop()
2788 }
2789
2790 pub fn messages_for_offsets(
2791 &self,
2792 offsets: impl IntoIterator<Item = usize>,
2793 cx: &App,
2794 ) -> Vec<Message> {
2795 let mut result = Vec::new();
2796
2797 let mut messages = self.messages(cx).peekable();
2798 let mut offsets = offsets.into_iter().peekable();
2799 let mut current_message = messages.next();
2800 while let Some(offset) = offsets.next() {
2801 // Locate the message that contains the offset.
2802 while current_message.as_ref().map_or(false, |message| {
2803 !message.offset_range.contains(&offset) && messages.peek().is_some()
2804 }) {
2805 current_message = messages.next();
2806 }
2807 let Some(message) = current_message.as_ref() else {
2808 break;
2809 };
2810
2811 // Skip offsets that are in the same message.
2812 while offsets.peek().map_or(false, |offset| {
2813 message.offset_range.contains(offset) || messages.peek().is_none()
2814 }) {
2815 offsets.next();
2816 }
2817
2818 result.push(message.clone());
2819 }
2820 result
2821 }
2822
2823 fn messages_from_anchors<'a>(
2824 &'a self,
2825 message_anchors: impl Iterator<Item = &'a MessageAnchor> + 'a,
2826 cx: &'a App,
2827 ) -> impl 'a + Iterator<Item = Message> {
2828 let buffer = self.buffer.read(cx);
2829
2830 Self::messages_from_iters(buffer, &self.messages_metadata, message_anchors.enumerate())
2831 }
2832
2833 pub fn messages<'a>(&'a self, cx: &'a App) -> impl 'a + Iterator<Item = Message> {
2834 self.messages_from_anchors(self.message_anchors.iter(), cx)
2835 }
2836
2837 pub fn messages_from_iters<'a>(
2838 buffer: &'a Buffer,
2839 metadata: &'a HashMap<MessageId, MessageMetadata>,
2840 messages: impl Iterator<Item = (usize, &'a MessageAnchor)> + 'a,
2841 ) -> impl 'a + Iterator<Item = Message> {
2842 let mut messages = messages.peekable();
2843
2844 iter::from_fn(move || {
2845 if let Some((start_ix, message_anchor)) = messages.next() {
2846 let metadata = metadata.get(&message_anchor.id)?;
2847
2848 let message_start = message_anchor.start.to_offset(buffer);
2849 let mut message_end = None;
2850 let mut end_ix = start_ix;
2851 while let Some((_, next_message)) = messages.peek() {
2852 if next_message.start.is_valid(buffer) {
2853 message_end = Some(next_message.start);
2854 break;
2855 } else {
2856 end_ix += 1;
2857 messages.next();
2858 }
2859 }
2860 let message_end_anchor = message_end.unwrap_or(language::Anchor::MAX);
2861 let message_end = message_end_anchor.to_offset(buffer);
2862
2863 return Some(Message {
2864 index_range: start_ix..end_ix,
2865 offset_range: message_start..message_end,
2866 anchor_range: message_anchor.start..message_end_anchor,
2867 id: message_anchor.id,
2868 role: metadata.role,
2869 status: metadata.status.clone(),
2870 cache: metadata.cache.clone(),
2871 });
2872 }
2873 None
2874 })
2875 }
2876
2877 pub fn save(
2878 &mut self,
2879 debounce: Option<Duration>,
2880 fs: Arc<dyn Fs>,
2881 cx: &mut Context<AssistantContext>,
2882 ) {
2883 if self.replica_id() != ReplicaId::default() {
2884 // Prevent saving a remote context for now.
2885 return;
2886 }
2887
2888 self.pending_save = cx.spawn(async move |this, cx| {
2889 if let Some(debounce) = debounce {
2890 cx.background_executor().timer(debounce).await;
2891 }
2892
2893 let (old_path, summary) = this.read_with(cx, |this, _| {
2894 let path = this.path.clone();
2895 let summary = if let Some(summary) = this.summary.content() {
2896 if summary.done {
2897 Some(summary.text.clone())
2898 } else {
2899 None
2900 }
2901 } else {
2902 None
2903 };
2904 (path, summary)
2905 })?;
2906
2907 if let Some(summary) = summary {
2908 let context = this.read_with(cx, |this, cx| this.serialize(cx))?;
2909 let mut discriminant = 1;
2910 let mut new_path;
2911 loop {
2912 new_path = contexts_dir().join(&format!(
2913 "{} - {}.zed.json",
2914 summary.trim(),
2915 discriminant
2916 ));
2917 if fs.is_file(&new_path).await {
2918 discriminant += 1;
2919 } else {
2920 break;
2921 }
2922 }
2923
2924 fs.create_dir(contexts_dir().as_ref()).await?;
2925
2926 // rename before write ensures that only one file exists
2927 if let Some(old_path) = old_path.as_ref() {
2928 if new_path.as_path() != old_path.as_ref() {
2929 fs.rename(
2930 &old_path,
2931 &new_path,
2932 RenameOptions {
2933 overwrite: true,
2934 ignore_if_exists: true,
2935 },
2936 )
2937 .await?;
2938 }
2939 }
2940
2941 // update path before write in case it fails
2942 this.update(cx, {
2943 let new_path: Arc<Path> = new_path.clone().into();
2944 move |this, cx| {
2945 this.path = Some(new_path.clone());
2946 cx.emit(ContextEvent::PathChanged { old_path, new_path });
2947 }
2948 })
2949 .ok();
2950
2951 fs.atomic_write(new_path, serde_json::to_string(&context).unwrap())
2952 .await?;
2953 }
2954
2955 Ok(())
2956 });
2957 }
2958
2959 pub fn set_custom_summary(&mut self, custom_summary: String, cx: &mut Context<Self>) {
2960 let timestamp = self.next_timestamp();
2961 let summary = self.summary.content_or_set_empty();
2962 summary.timestamp = timestamp;
2963 summary.done = true;
2964 summary.text = custom_summary;
2965 cx.emit(ContextEvent::SummaryChanged);
2966 }
2967
2968 fn update_model_request_usage(&self, amount: u32, limit: UsageLimit, cx: &mut App) {
2969 let Some(project) = &self.project else {
2970 return;
2971 };
2972 project.read(cx).user_store().update(cx, |user_store, cx| {
2973 user_store.update_model_request_usage(
2974 ModelRequestUsage(RequestUsage {
2975 amount: amount as i32,
2976 limit,
2977 }),
2978 cx,
2979 )
2980 });
2981 }
2982}
2983
2984#[derive(Debug, Default)]
2985pub struct ContextVersion {
2986 context: clock::Global,
2987 buffer: clock::Global,
2988}
2989
2990impl ContextVersion {
2991 pub fn from_proto(proto: &proto::ContextVersion) -> Self {
2992 Self {
2993 context: language::proto::deserialize_version(&proto.context_version),
2994 buffer: language::proto::deserialize_version(&proto.buffer_version),
2995 }
2996 }
2997
2998 pub fn to_proto(&self, context_id: ContextId) -> proto::ContextVersion {
2999 proto::ContextVersion {
3000 context_id: context_id.to_proto(),
3001 context_version: language::proto::serialize_version(&self.context),
3002 buffer_version: language::proto::serialize_version(&self.buffer),
3003 }
3004 }
3005}
3006
3007#[derive(Debug, Clone)]
3008pub struct ParsedSlashCommand {
3009 pub name: String,
3010 pub arguments: SmallVec<[String; 3]>,
3011 pub status: PendingSlashCommandStatus,
3012 pub source_range: Range<language::Anchor>,
3013}
3014
3015#[derive(Debug)]
3016pub struct InvokedSlashCommand {
3017 pub name: SharedString,
3018 pub range: Range<language::Anchor>,
3019 pub run_commands_in_ranges: Vec<Range<language::Anchor>>,
3020 pub status: InvokedSlashCommandStatus,
3021 pub transaction: Option<language::TransactionId>,
3022 timestamp: clock::Lamport,
3023}
3024
3025#[derive(Debug)]
3026pub enum InvokedSlashCommandStatus {
3027 Running(Task<()>),
3028 Error(SharedString),
3029 Finished,
3030}
3031
3032#[derive(Debug, Clone)]
3033pub enum PendingSlashCommandStatus {
3034 Idle,
3035 Running { _task: Shared<Task<()>> },
3036 Error(String),
3037}
3038
3039#[derive(Debug, Clone)]
3040pub struct PendingToolUse {
3041 pub id: LanguageModelToolUseId,
3042 pub name: String,
3043 pub input: serde_json::Value,
3044 pub status: PendingToolUseStatus,
3045 pub source_range: Range<language::Anchor>,
3046}
3047
3048#[derive(Debug, Clone)]
3049pub enum PendingToolUseStatus {
3050 Idle,
3051 Running { _task: Shared<Task<()>> },
3052 Error(String),
3053}
3054
3055impl PendingToolUseStatus {
3056 pub fn is_idle(&self) -> bool {
3057 matches!(self, PendingToolUseStatus::Idle)
3058 }
3059}
3060
3061#[derive(Serialize, Deserialize)]
3062pub struct SavedMessage {
3063 pub id: MessageId,
3064 pub start: usize,
3065 pub metadata: MessageMetadata,
3066}
3067
3068#[derive(Serialize, Deserialize)]
3069pub struct SavedContext {
3070 pub id: Option<ContextId>,
3071 pub zed: String,
3072 pub version: String,
3073 pub text: String,
3074 pub messages: Vec<SavedMessage>,
3075 pub summary: String,
3076 pub slash_command_output_sections:
3077 Vec<assistant_slash_command::SlashCommandOutputSection<usize>>,
3078 #[serde(default)]
3079 pub thought_process_output_sections: Vec<ThoughtProcessOutputSection<usize>>,
3080}
3081
3082impl SavedContext {
3083 pub const VERSION: &'static str = "0.4.0";
3084
3085 pub fn from_json(json: &str) -> Result<Self> {
3086 let saved_context_json = serde_json::from_str::<serde_json::Value>(json)?;
3087 match saved_context_json
3088 .get("version")
3089 .context("version not found")?
3090 {
3091 serde_json::Value::String(version) => match version.as_str() {
3092 SavedContext::VERSION => {
3093 Ok(serde_json::from_value::<SavedContext>(saved_context_json)?)
3094 }
3095 SavedContextV0_3_0::VERSION => {
3096 let saved_context =
3097 serde_json::from_value::<SavedContextV0_3_0>(saved_context_json)?;
3098 Ok(saved_context.upgrade())
3099 }
3100 SavedContextV0_2_0::VERSION => {
3101 let saved_context =
3102 serde_json::from_value::<SavedContextV0_2_0>(saved_context_json)?;
3103 Ok(saved_context.upgrade())
3104 }
3105 SavedContextV0_1_0::VERSION => {
3106 let saved_context =
3107 serde_json::from_value::<SavedContextV0_1_0>(saved_context_json)?;
3108 Ok(saved_context.upgrade())
3109 }
3110 _ => anyhow::bail!("unrecognized saved context version: {version:?}"),
3111 },
3112 _ => anyhow::bail!("version not found on saved context"),
3113 }
3114 }
3115
3116 fn into_ops(
3117 self,
3118 buffer: &Entity<Buffer>,
3119 cx: &mut Context<AssistantContext>,
3120 ) -> Vec<ContextOperation> {
3121 let mut operations = Vec::new();
3122 let mut version = clock::Global::new();
3123 let mut next_timestamp = clock::Lamport::new(ReplicaId::default());
3124
3125 let mut first_message_metadata = None;
3126 for message in self.messages {
3127 if message.id == MessageId(clock::Lamport::default()) {
3128 first_message_metadata = Some(message.metadata);
3129 } else {
3130 operations.push(ContextOperation::InsertMessage {
3131 anchor: MessageAnchor {
3132 id: message.id,
3133 start: buffer.read(cx).anchor_before(message.start),
3134 },
3135 metadata: MessageMetadata {
3136 role: message.metadata.role,
3137 status: message.metadata.status,
3138 timestamp: message.metadata.timestamp,
3139 cache: None,
3140 },
3141 version: version.clone(),
3142 });
3143 version.observe(message.id.0);
3144 next_timestamp.observe(message.id.0);
3145 }
3146 }
3147
3148 if let Some(metadata) = first_message_metadata {
3149 let timestamp = next_timestamp.tick();
3150 operations.push(ContextOperation::UpdateMessage {
3151 message_id: MessageId(clock::Lamport::default()),
3152 metadata: MessageMetadata {
3153 role: metadata.role,
3154 status: metadata.status,
3155 timestamp,
3156 cache: None,
3157 },
3158 version: version.clone(),
3159 });
3160 version.observe(timestamp);
3161 }
3162
3163 let buffer = buffer.read(cx);
3164 for section in self.slash_command_output_sections {
3165 let timestamp = next_timestamp.tick();
3166 operations.push(ContextOperation::SlashCommandOutputSectionAdded {
3167 timestamp,
3168 section: SlashCommandOutputSection {
3169 range: buffer.anchor_after(section.range.start)
3170 ..buffer.anchor_before(section.range.end),
3171 icon: section.icon,
3172 label: section.label,
3173 metadata: section.metadata,
3174 },
3175 version: version.clone(),
3176 });
3177
3178 version.observe(timestamp);
3179 }
3180
3181 for section in self.thought_process_output_sections {
3182 let timestamp = next_timestamp.tick();
3183 operations.push(ContextOperation::ThoughtProcessOutputSectionAdded {
3184 timestamp,
3185 section: ThoughtProcessOutputSection {
3186 range: buffer.anchor_after(section.range.start)
3187 ..buffer.anchor_before(section.range.end),
3188 },
3189 version: version.clone(),
3190 });
3191
3192 version.observe(timestamp);
3193 }
3194
3195 let timestamp = next_timestamp.tick();
3196 operations.push(ContextOperation::UpdateSummary {
3197 summary: ContextSummaryContent {
3198 text: self.summary,
3199 done: true,
3200 timestamp,
3201 },
3202 version: version.clone(),
3203 });
3204 version.observe(timestamp);
3205
3206 operations
3207 }
3208}
3209
3210#[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
3211struct SavedMessageIdPreV0_4_0(usize);
3212
3213#[derive(Serialize, Deserialize)]
3214struct SavedMessagePreV0_4_0 {
3215 id: SavedMessageIdPreV0_4_0,
3216 start: usize,
3217}
3218
3219#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
3220struct SavedMessageMetadataPreV0_4_0 {
3221 role: Role,
3222 status: MessageStatus,
3223}
3224
3225#[derive(Serialize, Deserialize)]
3226struct SavedContextV0_3_0 {
3227 id: Option<ContextId>,
3228 zed: String,
3229 version: String,
3230 text: String,
3231 messages: Vec<SavedMessagePreV0_4_0>,
3232 message_metadata: HashMap<SavedMessageIdPreV0_4_0, SavedMessageMetadataPreV0_4_0>,
3233 summary: String,
3234 slash_command_output_sections: Vec<assistant_slash_command::SlashCommandOutputSection<usize>>,
3235}
3236
3237impl SavedContextV0_3_0 {
3238 const VERSION: &'static str = "0.3.0";
3239
3240 fn upgrade(self) -> SavedContext {
3241 SavedContext {
3242 id: self.id,
3243 zed: self.zed,
3244 version: SavedContext::VERSION.into(),
3245 text: self.text,
3246 messages: self
3247 .messages
3248 .into_iter()
3249 .filter_map(|message| {
3250 let metadata = self.message_metadata.get(&message.id)?;
3251 let timestamp = clock::Lamport {
3252 replica_id: ReplicaId::default(),
3253 value: message.id.0 as u32,
3254 };
3255 Some(SavedMessage {
3256 id: MessageId(timestamp),
3257 start: message.start,
3258 metadata: MessageMetadata {
3259 role: metadata.role,
3260 status: metadata.status.clone(),
3261 timestamp,
3262 cache: None,
3263 },
3264 })
3265 })
3266 .collect(),
3267 summary: self.summary,
3268 slash_command_output_sections: self.slash_command_output_sections,
3269 thought_process_output_sections: Vec::new(),
3270 }
3271 }
3272}
3273
3274#[derive(Serialize, Deserialize)]
3275struct SavedContextV0_2_0 {
3276 id: Option<ContextId>,
3277 zed: String,
3278 version: String,
3279 text: String,
3280 messages: Vec<SavedMessagePreV0_4_0>,
3281 message_metadata: HashMap<SavedMessageIdPreV0_4_0, SavedMessageMetadataPreV0_4_0>,
3282 summary: String,
3283}
3284
3285impl SavedContextV0_2_0 {
3286 const VERSION: &'static str = "0.2.0";
3287
3288 fn upgrade(self) -> SavedContext {
3289 SavedContextV0_3_0 {
3290 id: self.id,
3291 zed: self.zed,
3292 version: SavedContextV0_3_0::VERSION.to_string(),
3293 text: self.text,
3294 messages: self.messages,
3295 message_metadata: self.message_metadata,
3296 summary: self.summary,
3297 slash_command_output_sections: Vec::new(),
3298 }
3299 .upgrade()
3300 }
3301}
3302
3303#[derive(Serialize, Deserialize)]
3304struct SavedContextV0_1_0 {
3305 id: Option<ContextId>,
3306 zed: String,
3307 version: String,
3308 text: String,
3309 messages: Vec<SavedMessagePreV0_4_0>,
3310 message_metadata: HashMap<SavedMessageIdPreV0_4_0, SavedMessageMetadataPreV0_4_0>,
3311 summary: String,
3312 api_url: Option<String>,
3313 model: OpenAiModel,
3314}
3315
3316impl SavedContextV0_1_0 {
3317 const VERSION: &'static str = "0.1.0";
3318
3319 fn upgrade(self) -> SavedContext {
3320 SavedContextV0_2_0 {
3321 id: self.id,
3322 zed: self.zed,
3323 version: SavedContextV0_2_0::VERSION.to_string(),
3324 text: self.text,
3325 messages: self.messages,
3326 message_metadata: self.message_metadata,
3327 summary: self.summary,
3328 }
3329 .upgrade()
3330 }
3331}
3332
3333#[derive(Debug, Clone)]
3334pub struct SavedContextMetadata {
3335 pub title: SharedString,
3336 pub path: Arc<Path>,
3337 pub mtime: chrono::DateTime<chrono::Local>,
3338}