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