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