1#[cfg(test)]
2mod assistant_context_tests;
3mod context_store;
4
5use agent_settings::{AgentSettings, SUMMARIZE_THREAD_PROMPT};
6use anyhow::{Context as _, Result, bail};
7use assistant_slash_command::{
8 SlashCommandContent, SlashCommandEvent, SlashCommandLine, SlashCommandOutputSection,
9 SlashCommandResult, SlashCommandWorkingSet,
10};
11use assistant_slash_commands::FileCommandMetadata;
12use client::{self, Client, ModelRequestUsage, RequestUsage, proto, telemetry::Telemetry};
13use clock::ReplicaId;
14use cloud_llm_client::{CompletionIntent, CompletionRequestStatus, UsageLimit};
15use collections::{HashMap, HashSet};
16use fs::{Fs, RenameOptions};
17use futures::{FutureExt, StreamExt, future::Shared};
18use gpui::{
19 App, AppContext as _, Context, Entity, EventEmitter, RenderImage, SharedString, Subscription,
20 Task,
21};
22use language::{AnchorRangeExt, Bias, Buffer, LanguageRegistry, OffsetRangeExt, Point, ToOffset};
23use language_model::{
24 LanguageModel, LanguageModelCacheConfiguration, LanguageModelCompletionEvent,
25 LanguageModelImage, LanguageModelRegistry, LanguageModelRequest, LanguageModelRequestMessage,
26 LanguageModelToolUseId, MessageContent, PaymentRequiredError, Role, StopReason,
27 report_assistant_event,
28};
29use open_ai::Model as OpenAiModel;
30use paths::contexts_dir;
31use project::Project;
32use prompt_store::PromptBuilder;
33use serde::{Deserialize, Serialize};
34use settings::Settings;
35use smallvec::SmallVec;
36use std::{
37 cmp::{Ordering, max},
38 fmt::{Debug, Write as _},
39 iter, mem,
40 ops::Range,
41 path::Path,
42 sync::Arc,
43 time::{Duration, Instant},
44};
45use telemetry_events::{AssistantEventData, AssistantKind, AssistantPhase};
46use text::{BufferSnapshot, ToPoint};
47use ui::IconName;
48use util::{ResultExt, TryFutureExt, post_inc};
49use uuid::Uuid;
50
51pub use crate::context_store::*;
52
53pub fn init(client: Arc<Client>, _: &mut App) {
54 context_store::init(&client.into());
55}
56
57#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord, Serialize, Deserialize)]
58pub struct ContextId(String);
59
60impl ContextId {
61 pub fn new() -> Self {
62 Self(Uuid::new_v4().to_string())
63 }
64
65 pub fn from_proto(id: String) -> Self {
66 Self(id)
67 }
68
69 pub fn to_proto(&self) -> String {
70 self.0.clone()
71 }
72}
73
74#[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
75pub struct MessageId(pub clock::Lamport);
76
77impl MessageId {
78 pub fn as_u64(self) -> u64 {
79 self.0.as_u64()
80 }
81}
82
83#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
84pub enum MessageStatus {
85 Pending,
86 Done,
87 Error(SharedString),
88 Canceled,
89}
90
91impl MessageStatus {
92 pub fn from_proto(status: proto::ContextMessageStatus) -> MessageStatus {
93 match status.variant {
94 Some(proto::context_message_status::Variant::Pending(_)) => MessageStatus::Pending,
95 Some(proto::context_message_status::Variant::Done(_)) => MessageStatus::Done,
96 Some(proto::context_message_status::Variant::Error(error)) => {
97 MessageStatus::Error(error.message.into())
98 }
99 Some(proto::context_message_status::Variant::Canceled(_)) => MessageStatus::Canceled,
100 None => MessageStatus::Pending,
101 }
102 }
103
104 pub fn to_proto(&self) -> proto::ContextMessageStatus {
105 match self {
106 MessageStatus::Pending => proto::ContextMessageStatus {
107 variant: Some(proto::context_message_status::Variant::Pending(
108 proto::context_message_status::Pending {},
109 )),
110 },
111 MessageStatus::Done => proto::ContextMessageStatus {
112 variant: Some(proto::context_message_status::Variant::Done(
113 proto::context_message_status::Done {},
114 )),
115 },
116 MessageStatus::Error(message) => proto::ContextMessageStatus {
117 variant: Some(proto::context_message_status::Variant::Error(
118 proto::context_message_status::Error {
119 message: message.to_string(),
120 },
121 )),
122 },
123 MessageStatus::Canceled => proto::ContextMessageStatus {
124 variant: Some(proto::context_message_status::Variant::Canceled(
125 proto::context_message_status::Canceled {},
126 )),
127 },
128 }
129 }
130}
131
132#[derive(Clone, Debug)]
133pub enum ContextOperation {
134 InsertMessage {
135 anchor: MessageAnchor,
136 metadata: MessageMetadata,
137 version: clock::Global,
138 },
139 UpdateMessage {
140 message_id: MessageId,
141 metadata: MessageMetadata,
142 version: clock::Global,
143 },
144 UpdateSummary {
145 summary: ContextSummaryContent,
146 version: clock::Global,
147 },
148 SlashCommandStarted {
149 id: InvokedSlashCommandId,
150 output_range: Range<language::Anchor>,
151 name: String,
152 version: clock::Global,
153 },
154 SlashCommandFinished {
155 id: InvokedSlashCommandId,
156 timestamp: clock::Lamport,
157 error_message: Option<String>,
158 version: clock::Global,
159 },
160 SlashCommandOutputSectionAdded {
161 timestamp: clock::Lamport,
162 section: SlashCommandOutputSection<language::Anchor>,
163 version: clock::Global,
164 },
165 ThoughtProcessOutputSectionAdded {
166 timestamp: clock::Lamport,
167 section: ThoughtProcessOutputSection<language::Anchor>,
168 version: clock::Global,
169 },
170 BufferOperation(language::Operation),
171}
172
173impl ContextOperation {
174 pub fn from_proto(op: proto::ContextOperation) -> Result<Self> {
175 match op.variant.context("invalid variant")? {
176 proto::context_operation::Variant::InsertMessage(insert) => {
177 let message = insert.message.context("invalid message")?;
178 let id = MessageId(language::proto::deserialize_timestamp(
179 message.id.context("invalid id")?,
180 ));
181 Ok(Self::InsertMessage {
182 anchor: MessageAnchor {
183 id,
184 start: language::proto::deserialize_anchor(
185 message.start.context("invalid anchor")?,
186 )
187 .context("invalid anchor")?,
188 },
189 metadata: MessageMetadata {
190 role: Role::from_proto(message.role),
191 status: MessageStatus::from_proto(
192 message.status.context("invalid status")?,
193 ),
194 timestamp: id.0,
195 cache: None,
196 },
197 version: language::proto::deserialize_version(&insert.version),
198 })
199 }
200 proto::context_operation::Variant::UpdateMessage(update) => Ok(Self::UpdateMessage {
201 message_id: MessageId(language::proto::deserialize_timestamp(
202 update.message_id.context("invalid message id")?,
203 )),
204 metadata: MessageMetadata {
205 role: Role::from_proto(update.role),
206 status: MessageStatus::from_proto(update.status.context("invalid status")?),
207 timestamp: language::proto::deserialize_timestamp(
208 update.timestamp.context("invalid timestamp")?,
209 ),
210 cache: None,
211 },
212 version: language::proto::deserialize_version(&update.version),
213 }),
214 proto::context_operation::Variant::UpdateSummary(update) => Ok(Self::UpdateSummary {
215 summary: ContextSummaryContent {
216 text: update.summary,
217 done: update.done,
218 timestamp: language::proto::deserialize_timestamp(
219 update.timestamp.context("invalid timestamp")?,
220 ),
221 },
222 version: language::proto::deserialize_version(&update.version),
223 }),
224 proto::context_operation::Variant::SlashCommandStarted(message) => {
225 Ok(Self::SlashCommandStarted {
226 id: InvokedSlashCommandId(language::proto::deserialize_timestamp(
227 message.id.context("invalid id")?,
228 )),
229 output_range: language::proto::deserialize_anchor_range(
230 message.output_range.context("invalid range")?,
231 )?,
232 name: message.name,
233 version: language::proto::deserialize_version(&message.version),
234 })
235 }
236 proto::context_operation::Variant::SlashCommandOutputSectionAdded(message) => {
237 let section = message.section.context("missing section")?;
238 Ok(Self::SlashCommandOutputSectionAdded {
239 timestamp: language::proto::deserialize_timestamp(
240 message.timestamp.context("missing timestamp")?,
241 ),
242 section: SlashCommandOutputSection {
243 range: language::proto::deserialize_anchor_range(
244 section.range.context("invalid range")?,
245 )?,
246 icon: section.icon_name.parse()?,
247 label: section.label.into(),
248 metadata: section
249 .metadata
250 .and_then(|metadata| serde_json::from_str(&metadata).log_err()),
251 },
252 version: language::proto::deserialize_version(&message.version),
253 })
254 }
255 proto::context_operation::Variant::SlashCommandCompleted(message) => {
256 Ok(Self::SlashCommandFinished {
257 id: InvokedSlashCommandId(language::proto::deserialize_timestamp(
258 message.id.context("invalid id")?,
259 )),
260 timestamp: language::proto::deserialize_timestamp(
261 message.timestamp.context("missing timestamp")?,
262 ),
263 error_message: message.error_message,
264 version: language::proto::deserialize_version(&message.version),
265 })
266 }
267 proto::context_operation::Variant::ThoughtProcessOutputSectionAdded(message) => {
268 let section = message.section.context("missing section")?;
269 Ok(Self::ThoughtProcessOutputSectionAdded {
270 timestamp: language::proto::deserialize_timestamp(
271 message.timestamp.context("missing timestamp")?,
272 ),
273 section: ThoughtProcessOutputSection {
274 range: language::proto::deserialize_anchor_range(
275 section.range.context("invalid range")?,
276 )?,
277 },
278 version: language::proto::deserialize_version(&message.version),
279 })
280 }
281 proto::context_operation::Variant::BufferOperation(op) => Ok(Self::BufferOperation(
282 language::proto::deserialize_operation(
283 op.operation.context("invalid buffer operation")?,
284 )?,
285 )),
286 }
287 }
288
289 pub fn to_proto(&self) -> proto::ContextOperation {
290 match self {
291 Self::InsertMessage {
292 anchor,
293 metadata,
294 version,
295 } => proto::ContextOperation {
296 variant: Some(proto::context_operation::Variant::InsertMessage(
297 proto::context_operation::InsertMessage {
298 message: Some(proto::ContextMessage {
299 id: Some(language::proto::serialize_timestamp(anchor.id.0)),
300 start: Some(language::proto::serialize_anchor(&anchor.start)),
301 role: metadata.role.to_proto() as i32,
302 status: Some(metadata.status.to_proto()),
303 }),
304 version: language::proto::serialize_version(version),
305 },
306 )),
307 },
308 Self::UpdateMessage {
309 message_id,
310 metadata,
311 version,
312 } => proto::ContextOperation {
313 variant: Some(proto::context_operation::Variant::UpdateMessage(
314 proto::context_operation::UpdateMessage {
315 message_id: Some(language::proto::serialize_timestamp(message_id.0)),
316 role: metadata.role.to_proto() as i32,
317 status: Some(metadata.status.to_proto()),
318 timestamp: Some(language::proto::serialize_timestamp(metadata.timestamp)),
319 version: language::proto::serialize_version(version),
320 },
321 )),
322 },
323 Self::UpdateSummary { summary, version } => proto::ContextOperation {
324 variant: Some(proto::context_operation::Variant::UpdateSummary(
325 proto::context_operation::UpdateSummary {
326 summary: summary.text.clone(),
327 done: summary.done,
328 timestamp: Some(language::proto::serialize_timestamp(summary.timestamp)),
329 version: language::proto::serialize_version(version),
330 },
331 )),
332 },
333 Self::SlashCommandStarted {
334 id,
335 output_range,
336 name,
337 version,
338 } => proto::ContextOperation {
339 variant: Some(proto::context_operation::Variant::SlashCommandStarted(
340 proto::context_operation::SlashCommandStarted {
341 id: Some(language::proto::serialize_timestamp(id.0)),
342 output_range: Some(language::proto::serialize_anchor_range(
343 output_range.clone(),
344 )),
345 name: name.clone(),
346 version: language::proto::serialize_version(version),
347 },
348 )),
349 },
350 Self::SlashCommandOutputSectionAdded {
351 timestamp,
352 section,
353 version,
354 } => proto::ContextOperation {
355 variant: Some(
356 proto::context_operation::Variant::SlashCommandOutputSectionAdded(
357 proto::context_operation::SlashCommandOutputSectionAdded {
358 timestamp: Some(language::proto::serialize_timestamp(*timestamp)),
359 section: Some({
360 let icon_name: &'static str = section.icon.into();
361 proto::SlashCommandOutputSection {
362 range: Some(language::proto::serialize_anchor_range(
363 section.range.clone(),
364 )),
365 icon_name: icon_name.to_string(),
366 label: section.label.to_string(),
367 metadata: section.metadata.as_ref().and_then(|metadata| {
368 serde_json::to_string(metadata).log_err()
369 }),
370 }
371 }),
372 version: language::proto::serialize_version(version),
373 },
374 ),
375 ),
376 },
377 Self::SlashCommandFinished {
378 id,
379 timestamp,
380 error_message,
381 version,
382 } => proto::ContextOperation {
383 variant: Some(proto::context_operation::Variant::SlashCommandCompleted(
384 proto::context_operation::SlashCommandCompleted {
385 id: Some(language::proto::serialize_timestamp(id.0)),
386 timestamp: Some(language::proto::serialize_timestamp(*timestamp)),
387 error_message: error_message.clone(),
388 version: language::proto::serialize_version(version),
389 },
390 )),
391 },
392 Self::ThoughtProcessOutputSectionAdded {
393 timestamp,
394 section,
395 version,
396 } => proto::ContextOperation {
397 variant: Some(
398 proto::context_operation::Variant::ThoughtProcessOutputSectionAdded(
399 proto::context_operation::ThoughtProcessOutputSectionAdded {
400 timestamp: Some(language::proto::serialize_timestamp(*timestamp)),
401 section: Some({
402 proto::ThoughtProcessOutputSection {
403 range: Some(language::proto::serialize_anchor_range(
404 section.range.clone(),
405 )),
406 }
407 }),
408 version: language::proto::serialize_version(version),
409 },
410 ),
411 ),
412 },
413 Self::BufferOperation(operation) => proto::ContextOperation {
414 variant: Some(proto::context_operation::Variant::BufferOperation(
415 proto::context_operation::BufferOperation {
416 operation: Some(language::proto::serialize_operation(operation)),
417 },
418 )),
419 },
420 }
421 }
422
423 fn timestamp(&self) -> clock::Lamport {
424 match self {
425 Self::InsertMessage { anchor, .. } => anchor.id.0,
426 Self::UpdateMessage { metadata, .. } => metadata.timestamp,
427 Self::UpdateSummary { summary, .. } => summary.timestamp,
428 Self::SlashCommandStarted { id, .. } => id.0,
429 Self::SlashCommandOutputSectionAdded { timestamp, .. }
430 | Self::SlashCommandFinished { timestamp, .. }
431 | Self::ThoughtProcessOutputSectionAdded { timestamp, .. } => *timestamp,
432 Self::BufferOperation(_) => {
433 panic!("reading the timestamp of a buffer operation is not supported")
434 }
435 }
436 }
437
438 /// Returns the current version of the context operation.
439 pub fn version(&self) -> &clock::Global {
440 match self {
441 Self::InsertMessage { version, .. }
442 | Self::UpdateMessage { version, .. }
443 | Self::UpdateSummary { version, .. }
444 | Self::SlashCommandStarted { version, .. }
445 | Self::SlashCommandOutputSectionAdded { version, .. }
446 | Self::SlashCommandFinished { version, .. }
447 | Self::ThoughtProcessOutputSectionAdded { version, .. } => version,
448 Self::BufferOperation(_) => {
449 panic!("reading the version of a buffer operation is not supported")
450 }
451 }
452 }
453}
454
455#[derive(Debug, Clone)]
456pub enum ContextEvent {
457 ShowAssistError(SharedString),
458 ShowPaymentRequiredError,
459 MessagesEdited,
460 SummaryChanged,
461 SummaryGenerated,
462 PathChanged {
463 old_path: Option<Arc<Path>>,
464 new_path: Arc<Path>,
465 },
466 StreamedCompletion,
467 StartedThoughtProcess(Range<language::Anchor>),
468 EndedThoughtProcess(language::Anchor),
469 InvokedSlashCommandChanged {
470 command_id: InvokedSlashCommandId,
471 },
472 ParsedSlashCommandsUpdated {
473 removed: Vec<Range<language::Anchor>>,
474 updated: Vec<ParsedSlashCommand>,
475 },
476 SlashCommandOutputSectionAdded {
477 section: SlashCommandOutputSection<language::Anchor>,
478 },
479 Operation(ContextOperation),
480}
481
482#[derive(Clone, Debug, Eq, PartialEq)]
483pub enum ContextSummary {
484 Pending,
485 Content(ContextSummaryContent),
486 Error,
487}
488
489#[derive(Default, Clone, Debug, Eq, PartialEq)]
490pub struct ContextSummaryContent {
491 pub text: String,
492 pub done: bool,
493 pub timestamp: clock::Lamport,
494}
495
496impl ContextSummary {
497 pub const DEFAULT: &str = "New Text Thread";
498
499 pub fn or_default(&self) -> SharedString {
500 self.unwrap_or(Self::DEFAULT)
501 }
502
503 pub fn unwrap_or(&self, message: impl Into<SharedString>) -> SharedString {
504 self.content()
505 .map_or_else(|| message.into(), |content| content.text.clone().into())
506 }
507
508 pub fn content(&self) -> Option<&ContextSummaryContent> {
509 match self {
510 ContextSummary::Content(content) => Some(content),
511 ContextSummary::Pending | ContextSummary::Error => None,
512 }
513 }
514
515 fn content_as_mut(&mut self) -> Option<&mut ContextSummaryContent> {
516 match self {
517 ContextSummary::Content(content) => Some(content),
518 ContextSummary::Pending | ContextSummary::Error => None,
519 }
520 }
521
522 fn content_or_set_empty(&mut self) -> &mut ContextSummaryContent {
523 match self {
524 ContextSummary::Content(content) => content,
525 ContextSummary::Pending | ContextSummary::Error => {
526 let content = ContextSummaryContent::default();
527 *self = ContextSummary::Content(content);
528 self.content_as_mut().unwrap()
529 }
530 }
531 }
532
533 pub fn is_pending(&self) -> bool {
534 matches!(self, ContextSummary::Pending)
535 }
536
537 fn timestamp(&self) -> Option<clock::Lamport> {
538 match self {
539 ContextSummary::Content(content) => Some(content.timestamp),
540 ContextSummary::Pending | ContextSummary::Error => None,
541 }
542 }
543}
544
545impl PartialOrd for ContextSummary {
546 fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
547 self.timestamp().partial_cmp(&other.timestamp())
548 }
549}
550
551#[derive(Clone, Debug, Eq, PartialEq)]
552pub struct MessageAnchor {
553 pub id: MessageId,
554 pub start: language::Anchor,
555}
556
557#[derive(Clone, Debug, Eq, PartialEq)]
558pub enum CacheStatus {
559 Pending,
560 Cached,
561}
562
563#[derive(Clone, Debug, Eq, PartialEq)]
564pub struct MessageCacheMetadata {
565 pub is_anchor: bool,
566 pub is_final_anchor: bool,
567 pub status: CacheStatus,
568 pub cached_at: clock::Global,
569}
570
571#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
572pub struct MessageMetadata {
573 pub role: Role,
574 pub status: MessageStatus,
575 pub timestamp: clock::Lamport,
576 #[serde(skip)]
577 pub cache: Option<MessageCacheMetadata>,
578}
579
580impl From<&Message> for MessageMetadata {
581 fn from(message: &Message) -> Self {
582 Self {
583 role: message.role,
584 status: message.status.clone(),
585 timestamp: message.id.0,
586 cache: message.cache.clone(),
587 }
588 }
589}
590
591impl MessageMetadata {
592 pub fn is_cache_valid(&self, buffer: &BufferSnapshot, range: &Range<usize>) -> bool {
593 let result = match &self.cache {
594 Some(MessageCacheMetadata { cached_at, .. }) => !buffer.has_edits_since_in_range(
595 cached_at,
596 Range {
597 start: buffer.anchor_at(range.start, Bias::Right),
598 end: buffer.anchor_at(range.end, Bias::Left),
599 },
600 ),
601 _ => false,
602 };
603 result
604 }
605}
606
607#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
608pub struct ThoughtProcessOutputSection<T> {
609 pub range: Range<T>,
610}
611
612impl ThoughtProcessOutputSection<language::Anchor> {
613 pub fn is_valid(&self, buffer: &language::TextBuffer) -> bool {
614 self.range.start.is_valid(buffer) && !self.range.to_offset(buffer).is_empty()
615 }
616}
617
618#[derive(Clone, Debug)]
619pub struct Message {
620 pub offset_range: Range<usize>,
621 pub index_range: Range<usize>,
622 pub anchor_range: Range<language::Anchor>,
623 pub id: MessageId,
624 pub role: Role,
625 pub status: MessageStatus,
626 pub cache: Option<MessageCacheMetadata>,
627}
628
629#[derive(Debug, Clone)]
630pub enum Content {
631 Image {
632 anchor: language::Anchor,
633 image_id: u64,
634 render_image: Arc<RenderImage>,
635 image: Shared<Task<Option<LanguageModelImage>>>,
636 },
637}
638
639impl Content {
640 fn range(&self) -> Range<language::Anchor> {
641 match self {
642 Self::Image { anchor, .. } => *anchor..*anchor,
643 }
644 }
645
646 fn cmp(&self, other: &Self, buffer: &BufferSnapshot) -> Ordering {
647 let self_range = self.range();
648 let other_range = other.range();
649 if self_range.end.cmp(&other_range.start, buffer).is_lt() {
650 Ordering::Less
651 } else if self_range.start.cmp(&other_range.end, buffer).is_gt() {
652 Ordering::Greater
653 } else {
654 Ordering::Equal
655 }
656 }
657}
658
659struct PendingCompletion {
660 id: usize,
661 assistant_message_id: MessageId,
662 _task: Task<()>,
663}
664
665#[derive(Copy, Clone, Debug, Hash, Eq, PartialEq)]
666pub struct InvokedSlashCommandId(clock::Lamport);
667
668pub struct AssistantContext {
669 id: ContextId,
670 timestamp: clock::Lamport,
671 version: clock::Global,
672 pending_ops: Vec<ContextOperation>,
673 operations: Vec<ContextOperation>,
674 buffer: Entity<Buffer>,
675 parsed_slash_commands: Vec<ParsedSlashCommand>,
676 invoked_slash_commands: HashMap<InvokedSlashCommandId, InvokedSlashCommand>,
677 edits_since_last_parse: language::Subscription,
678 slash_commands: Arc<SlashCommandWorkingSet>,
679 slash_command_output_sections: Vec<SlashCommandOutputSection<language::Anchor>>,
680 thought_process_output_sections: Vec<ThoughtProcessOutputSection<language::Anchor>>,
681 message_anchors: Vec<MessageAnchor>,
682 contents: Vec<Content>,
683 messages_metadata: HashMap<MessageId, MessageMetadata>,
684 summary: ContextSummary,
685 summary_task: Task<Option<()>>,
686 completion_count: usize,
687 pending_completions: Vec<PendingCompletion>,
688 token_count: Option<u64>,
689 pending_token_count: Task<Option<()>>,
690 pending_save: Task<Result<()>>,
691 pending_cache_warming_task: Task<Option<()>>,
692 path: Option<Arc<Path>>,
693 _subscriptions: Vec<Subscription>,
694 telemetry: Option<Arc<Telemetry>>,
695 language_registry: Arc<LanguageRegistry>,
696 project: Option<Entity<Project>>,
697 prompt_builder: Arc<PromptBuilder>,
698 completion_mode: agent_settings::CompletionMode,
699}
700
701trait ContextAnnotation {
702 fn range(&self) -> &Range<language::Anchor>;
703}
704
705impl ContextAnnotation for ParsedSlashCommand {
706 fn range(&self) -> &Range<language::Anchor> {
707 &self.source_range
708 }
709}
710
711impl EventEmitter<ContextEvent> for AssistantContext {}
712
713impl AssistantContext {
714 pub fn local(
715 language_registry: Arc<LanguageRegistry>,
716 project: Option<Entity<Project>>,
717 telemetry: Option<Arc<Telemetry>>,
718 prompt_builder: Arc<PromptBuilder>,
719 slash_commands: Arc<SlashCommandWorkingSet>,
720 cx: &mut Context<Self>,
721 ) -> Self {
722 Self::new(
723 ContextId::new(),
724 ReplicaId::default(),
725 language::Capability::ReadWrite,
726 language_registry,
727 prompt_builder,
728 slash_commands,
729 project,
730 telemetry,
731 cx,
732 )
733 }
734
735 pub fn completion_mode(&self) -> agent_settings::CompletionMode {
736 self.completion_mode
737 }
738
739 pub fn set_completion_mode(&mut self, completion_mode: agent_settings::CompletionMode) {
740 self.completion_mode = completion_mode;
741 }
742
743 pub fn new(
744 id: ContextId,
745 replica_id: ReplicaId,
746 capability: language::Capability,
747 language_registry: Arc<LanguageRegistry>,
748 prompt_builder: Arc<PromptBuilder>,
749 slash_commands: Arc<SlashCommandWorkingSet>,
750 project: Option<Entity<Project>>,
751 telemetry: Option<Arc<Telemetry>>,
752 cx: &mut Context<Self>,
753 ) -> Self {
754 let buffer = cx.new(|_cx| {
755 let buffer = Buffer::remote(
756 language::BufferId::new(1).unwrap(),
757 replica_id,
758 capability,
759 "",
760 );
761 buffer.set_language_registry(language_registry.clone());
762 buffer
763 });
764 let edits_since_last_slash_command_parse =
765 buffer.update(cx, |buffer, _| buffer.subscribe());
766 let mut this = Self {
767 id,
768 timestamp: clock::Lamport::new(replica_id),
769 version: clock::Global::new(),
770 pending_ops: Vec::new(),
771 operations: Vec::new(),
772 message_anchors: Default::default(),
773 contents: Default::default(),
774 messages_metadata: Default::default(),
775 parsed_slash_commands: Vec::new(),
776 invoked_slash_commands: HashMap::default(),
777 slash_command_output_sections: Vec::new(),
778 thought_process_output_sections: Vec::new(),
779 edits_since_last_parse: edits_since_last_slash_command_parse,
780 summary: ContextSummary::Pending,
781 summary_task: Task::ready(None),
782 completion_count: Default::default(),
783 pending_completions: Default::default(),
784 token_count: None,
785 pending_token_count: Task::ready(None),
786 pending_cache_warming_task: Task::ready(None),
787 _subscriptions: vec![cx.subscribe(&buffer, Self::handle_buffer_event)],
788 pending_save: Task::ready(Ok(())),
789 completion_mode: AgentSettings::get_global(cx).preferred_completion_mode,
790 path: None,
791 buffer,
792 telemetry,
793 project,
794 language_registry,
795 slash_commands,
796 prompt_builder,
797 };
798
799 let first_message_id = MessageId(clock::Lamport {
800 replica_id: 0,
801 value: 0,
802 });
803 let message = MessageAnchor {
804 id: first_message_id,
805 start: language::Anchor::MIN,
806 };
807 this.messages_metadata.insert(
808 first_message_id,
809 MessageMetadata {
810 role: Role::User,
811 status: MessageStatus::Done,
812 timestamp: first_message_id.0,
813 cache: None,
814 },
815 );
816 this.message_anchors.push(message);
817
818 this.set_language(cx);
819 this.count_remaining_tokens(cx);
820 this
821 }
822
823 pub(crate) fn serialize(&self, cx: &App) -> SavedContext {
824 let buffer = self.buffer.read(cx);
825 SavedContext {
826 id: Some(self.id.clone()),
827 zed: "context".into(),
828 version: SavedContext::VERSION.into(),
829 text: buffer.text(),
830 messages: self
831 .messages(cx)
832 .map(|message| SavedMessage {
833 id: message.id,
834 start: message.offset_range.start,
835 metadata: self.messages_metadata[&message.id].clone(),
836 })
837 .collect(),
838 summary: self
839 .summary
840 .content()
841 .map(|summary| summary.text.clone())
842 .unwrap_or_default(),
843 slash_command_output_sections: self
844 .slash_command_output_sections
845 .iter()
846 .filter_map(|section| {
847 if section.is_valid(buffer) {
848 let range = section.range.to_offset(buffer);
849 Some(assistant_slash_command::SlashCommandOutputSection {
850 range,
851 icon: section.icon,
852 label: section.label.clone(),
853 metadata: section.metadata.clone(),
854 })
855 } else {
856 None
857 }
858 })
859 .collect(),
860 thought_process_output_sections: self
861 .thought_process_output_sections
862 .iter()
863 .filter_map(|section| {
864 if section.is_valid(buffer) {
865 let range = section.range.to_offset(buffer);
866 Some(ThoughtProcessOutputSection { range })
867 } else {
868 None
869 }
870 })
871 .collect(),
872 }
873 }
874
875 pub fn deserialize(
876 saved_context: SavedContext,
877 path: Arc<Path>,
878 language_registry: Arc<LanguageRegistry>,
879 prompt_builder: Arc<PromptBuilder>,
880 slash_commands: Arc<SlashCommandWorkingSet>,
881 project: Option<Entity<Project>>,
882 telemetry: Option<Arc<Telemetry>>,
883 cx: &mut Context<Self>,
884 ) -> Self {
885 let id = saved_context.id.clone().unwrap_or_else(ContextId::new);
886 let mut this = Self::new(
887 id,
888 ReplicaId::default(),
889 language::Capability::ReadWrite,
890 language_registry,
891 prompt_builder,
892 slash_commands,
893 project,
894 telemetry,
895 cx,
896 );
897 this.path = Some(path);
898 this.buffer.update(cx, |buffer, cx| {
899 buffer.set_text(saved_context.text.as_str(), cx)
900 });
901 let operations = saved_context.into_ops(&this.buffer, cx);
902 this.apply_ops(operations, cx);
903 this
904 }
905
906 pub fn id(&self) -> &ContextId {
907 &self.id
908 }
909
910 pub fn replica_id(&self) -> ReplicaId {
911 self.timestamp.replica_id
912 }
913
914 pub fn version(&self, cx: &App) -> ContextVersion {
915 ContextVersion {
916 context: self.version.clone(),
917 buffer: self.buffer.read(cx).version(),
918 }
919 }
920
921 pub fn slash_commands(&self) -> &Arc<SlashCommandWorkingSet> {
922 &self.slash_commands
923 }
924
925 pub fn set_capability(&mut self, capability: language::Capability, cx: &mut Context<Self>) {
926 self.buffer
927 .update(cx, |buffer, cx| buffer.set_capability(capability, cx));
928 }
929
930 fn next_timestamp(&mut self) -> clock::Lamport {
931 let timestamp = self.timestamp.tick();
932 self.version.observe(timestamp);
933 timestamp
934 }
935
936 pub fn serialize_ops(
937 &self,
938 since: &ContextVersion,
939 cx: &App,
940 ) -> Task<Vec<proto::ContextOperation>> {
941 let buffer_ops = self
942 .buffer
943 .read(cx)
944 .serialize_ops(Some(since.buffer.clone()), cx);
945
946 let mut context_ops = self
947 .operations
948 .iter()
949 .filter(|op| !since.context.observed(op.timestamp()))
950 .cloned()
951 .collect::<Vec<_>>();
952 context_ops.extend(self.pending_ops.iter().cloned());
953
954 cx.background_spawn(async move {
955 let buffer_ops = buffer_ops.await;
956 context_ops.sort_unstable_by_key(|op| op.timestamp());
957 buffer_ops
958 .into_iter()
959 .map(|op| proto::ContextOperation {
960 variant: Some(proto::context_operation::Variant::BufferOperation(
961 proto::context_operation::BufferOperation {
962 operation: Some(op),
963 },
964 )),
965 })
966 .chain(context_ops.into_iter().map(|op| op.to_proto()))
967 .collect()
968 })
969 }
970
971 pub fn apply_ops(
972 &mut self,
973 ops: impl IntoIterator<Item = ContextOperation>,
974 cx: &mut Context<Self>,
975 ) {
976 let mut buffer_ops = Vec::new();
977 for op in ops {
978 match op {
979 ContextOperation::BufferOperation(buffer_op) => buffer_ops.push(buffer_op),
980 op @ _ => self.pending_ops.push(op),
981 }
982 }
983 self.buffer
984 .update(cx, |buffer, cx| buffer.apply_ops(buffer_ops, cx));
985 self.flush_ops(cx);
986 }
987
988 fn flush_ops(&mut self, cx: &mut Context<AssistantContext>) {
989 let mut changed_messages = HashSet::default();
990 let mut summary_generated = false;
991
992 self.pending_ops.sort_unstable_by_key(|op| op.timestamp());
993 for op in mem::take(&mut self.pending_ops) {
994 if !self.can_apply_op(&op, cx) {
995 self.pending_ops.push(op);
996 continue;
997 }
998
999 let timestamp = op.timestamp();
1000 match op.clone() {
1001 ContextOperation::InsertMessage {
1002 anchor, metadata, ..
1003 } => {
1004 if self.messages_metadata.contains_key(&anchor.id) {
1005 // We already applied this operation.
1006 } else {
1007 changed_messages.insert(anchor.id);
1008 self.insert_message(anchor, metadata, cx);
1009 }
1010 }
1011 ContextOperation::UpdateMessage {
1012 message_id,
1013 metadata: new_metadata,
1014 ..
1015 } => {
1016 let metadata = self.messages_metadata.get_mut(&message_id).unwrap();
1017 if new_metadata.timestamp > metadata.timestamp {
1018 *metadata = new_metadata;
1019 changed_messages.insert(message_id);
1020 }
1021 }
1022 ContextOperation::UpdateSummary {
1023 summary: new_summary,
1024 ..
1025 } => {
1026 if self
1027 .summary
1028 .timestamp()
1029 .is_none_or(|current_timestamp| new_summary.timestamp > current_timestamp)
1030 {
1031 self.summary = ContextSummary::Content(new_summary);
1032 summary_generated = true;
1033 }
1034 }
1035 ContextOperation::SlashCommandStarted {
1036 id,
1037 output_range,
1038 name,
1039 ..
1040 } => {
1041 self.invoked_slash_commands.insert(
1042 id,
1043 InvokedSlashCommand {
1044 name: name.into(),
1045 range: output_range,
1046 run_commands_in_ranges: Vec::new(),
1047 status: InvokedSlashCommandStatus::Running(Task::ready(())),
1048 transaction: None,
1049 timestamp: id.0,
1050 },
1051 );
1052 cx.emit(ContextEvent::InvokedSlashCommandChanged { command_id: id });
1053 }
1054 ContextOperation::SlashCommandOutputSectionAdded { section, .. } => {
1055 let buffer = self.buffer.read(cx);
1056 if let Err(ix) = self
1057 .slash_command_output_sections
1058 .binary_search_by(|probe| probe.range.cmp(§ion.range, buffer))
1059 {
1060 self.slash_command_output_sections
1061 .insert(ix, section.clone());
1062 cx.emit(ContextEvent::SlashCommandOutputSectionAdded { section });
1063 }
1064 }
1065 ContextOperation::ThoughtProcessOutputSectionAdded { section, .. } => {
1066 let buffer = self.buffer.read(cx);
1067 if let Err(ix) = self
1068 .thought_process_output_sections
1069 .binary_search_by(|probe| probe.range.cmp(§ion.range, buffer))
1070 {
1071 self.thought_process_output_sections
1072 .insert(ix, section.clone());
1073 }
1074 }
1075 ContextOperation::SlashCommandFinished {
1076 id,
1077 error_message,
1078 timestamp,
1079 ..
1080 } => {
1081 if let Some(slash_command) = self.invoked_slash_commands.get_mut(&id)
1082 && timestamp > slash_command.timestamp
1083 {
1084 slash_command.timestamp = timestamp;
1085 match error_message {
1086 Some(message) => {
1087 slash_command.status =
1088 InvokedSlashCommandStatus::Error(message.into());
1089 }
1090 None => {
1091 slash_command.status = InvokedSlashCommandStatus::Finished;
1092 }
1093 }
1094 cx.emit(ContextEvent::InvokedSlashCommandChanged { command_id: id });
1095 }
1096 }
1097 ContextOperation::BufferOperation(_) => unreachable!(),
1098 }
1099
1100 self.version.observe(timestamp);
1101 self.timestamp.observe(timestamp);
1102 self.operations.push(op);
1103 }
1104
1105 if !changed_messages.is_empty() {
1106 self.message_roles_updated(changed_messages, cx);
1107 cx.emit(ContextEvent::MessagesEdited);
1108 cx.notify();
1109 }
1110
1111 if summary_generated {
1112 cx.emit(ContextEvent::SummaryChanged);
1113 cx.emit(ContextEvent::SummaryGenerated);
1114 cx.notify();
1115 }
1116 }
1117
1118 fn can_apply_op(&self, op: &ContextOperation, cx: &App) -> bool {
1119 if !self.version.observed_all(op.version()) {
1120 return false;
1121 }
1122
1123 match op {
1124 ContextOperation::InsertMessage { anchor, .. } => self
1125 .buffer
1126 .read(cx)
1127 .version
1128 .observed(anchor.start.timestamp),
1129 ContextOperation::UpdateMessage { message_id, .. } => {
1130 self.messages_metadata.contains_key(message_id)
1131 }
1132 ContextOperation::UpdateSummary { .. } => true,
1133 ContextOperation::SlashCommandStarted { output_range, .. } => {
1134 self.has_received_operations_for_anchor_range(output_range.clone(), cx)
1135 }
1136 ContextOperation::SlashCommandOutputSectionAdded { section, .. } => {
1137 self.has_received_operations_for_anchor_range(section.range.clone(), cx)
1138 }
1139 ContextOperation::ThoughtProcessOutputSectionAdded { section, .. } => {
1140 self.has_received_operations_for_anchor_range(section.range.clone(), cx)
1141 }
1142 ContextOperation::SlashCommandFinished { .. } => true,
1143 ContextOperation::BufferOperation(_) => {
1144 panic!("buffer operations should always be applied")
1145 }
1146 }
1147 }
1148
1149 fn has_received_operations_for_anchor_range(
1150 &self,
1151 range: Range<text::Anchor>,
1152 cx: &App,
1153 ) -> bool {
1154 let version = &self.buffer.read(cx).version;
1155 let observed_start = range.start == language::Anchor::MIN
1156 || range.start == language::Anchor::MAX
1157 || version.observed(range.start.timestamp);
1158 let observed_end = range.end == language::Anchor::MIN
1159 || range.end == language::Anchor::MAX
1160 || version.observed(range.end.timestamp);
1161 observed_start && observed_end
1162 }
1163
1164 fn push_op(&mut self, op: ContextOperation, cx: &mut Context<Self>) {
1165 self.operations.push(op.clone());
1166 cx.emit(ContextEvent::Operation(op));
1167 }
1168
1169 pub fn buffer(&self) -> &Entity<Buffer> {
1170 &self.buffer
1171 }
1172
1173 pub fn language_registry(&self) -> Arc<LanguageRegistry> {
1174 self.language_registry.clone()
1175 }
1176
1177 pub fn project(&self) -> Option<Entity<Project>> {
1178 self.project.clone()
1179 }
1180
1181 pub fn prompt_builder(&self) -> Arc<PromptBuilder> {
1182 self.prompt_builder.clone()
1183 }
1184
1185 pub fn path(&self) -> Option<&Arc<Path>> {
1186 self.path.as_ref()
1187 }
1188
1189 pub fn summary(&self) -> &ContextSummary {
1190 &self.summary
1191 }
1192
1193 pub fn parsed_slash_commands(&self) -> &[ParsedSlashCommand] {
1194 &self.parsed_slash_commands
1195 }
1196
1197 pub fn invoked_slash_command(
1198 &self,
1199 command_id: &InvokedSlashCommandId,
1200 ) -> Option<&InvokedSlashCommand> {
1201 self.invoked_slash_commands.get(command_id)
1202 }
1203
1204 pub fn slash_command_output_sections(&self) -> &[SlashCommandOutputSection<language::Anchor>] {
1205 &self.slash_command_output_sections
1206 }
1207
1208 pub fn thought_process_output_sections(
1209 &self,
1210 ) -> &[ThoughtProcessOutputSection<language::Anchor>] {
1211 &self.thought_process_output_sections
1212 }
1213
1214 pub fn contains_files(&self, cx: &App) -> bool {
1215 let buffer = self.buffer.read(cx);
1216 self.slash_command_output_sections.iter().any(|section| {
1217 section.is_valid(buffer)
1218 && section
1219 .metadata
1220 .as_ref()
1221 .and_then(|metadata| {
1222 serde_json::from_value::<FileCommandMetadata>(metadata.clone()).ok()
1223 })
1224 .is_some()
1225 })
1226 }
1227
1228 fn set_language(&mut self, cx: &mut Context<Self>) {
1229 let markdown = self.language_registry.language_for_name("Markdown");
1230 cx.spawn(async move |this, cx| {
1231 let markdown = markdown.await?;
1232 this.update(cx, |this, cx| {
1233 this.buffer
1234 .update(cx, |buffer, cx| buffer.set_language(Some(markdown), cx));
1235 })
1236 })
1237 .detach_and_log_err(cx);
1238 }
1239
1240 fn handle_buffer_event(
1241 &mut self,
1242 _: Entity<Buffer>,
1243 event: &language::BufferEvent,
1244 cx: &mut Context<Self>,
1245 ) {
1246 match event {
1247 language::BufferEvent::Operation {
1248 operation,
1249 is_local: true,
1250 } => cx.emit(ContextEvent::Operation(ContextOperation::BufferOperation(
1251 operation.clone(),
1252 ))),
1253 language::BufferEvent::Edited => {
1254 self.count_remaining_tokens(cx);
1255 self.reparse(cx);
1256 cx.emit(ContextEvent::MessagesEdited);
1257 }
1258 _ => {}
1259 }
1260 }
1261
1262 pub fn token_count(&self) -> Option<u64> {
1263 self.token_count
1264 }
1265
1266 pub(crate) fn count_remaining_tokens(&mut self, cx: &mut Context<Self>) {
1267 // Assume it will be a Chat request, even though that takes fewer tokens (and risks going over the limit),
1268 // because otherwise you see in the UI that your empty message has a bunch of tokens already used.
1269 let Some(model) = LanguageModelRegistry::read_global(cx).default_model() else {
1270 return;
1271 };
1272 let request = self.to_completion_request(Some(&model.model), cx);
1273 let debounce = self.token_count.is_some();
1274 self.pending_token_count = cx.spawn(async move |this, cx| {
1275 async move {
1276 if debounce {
1277 cx.background_executor()
1278 .timer(Duration::from_millis(200))
1279 .await;
1280 }
1281
1282 let token_count = cx
1283 .update(|cx| model.model.count_tokens(request, cx))?
1284 .await?;
1285 this.update(cx, |this, cx| {
1286 this.token_count = Some(token_count);
1287 this.start_cache_warming(&model.model, cx);
1288 cx.notify()
1289 })
1290 }
1291 .log_err()
1292 .await
1293 });
1294 }
1295
1296 pub fn mark_cache_anchors(
1297 &mut self,
1298 cache_configuration: &Option<LanguageModelCacheConfiguration>,
1299 speculative: bool,
1300 cx: &mut Context<Self>,
1301 ) -> bool {
1302 let cache_configuration =
1303 cache_configuration
1304 .as_ref()
1305 .unwrap_or(&LanguageModelCacheConfiguration {
1306 max_cache_anchors: 0,
1307 should_speculate: false,
1308 min_total_token: 0,
1309 });
1310
1311 let messages: Vec<Message> = self.messages(cx).collect();
1312
1313 let mut sorted_messages = messages.clone();
1314 if speculative {
1315 // Avoid caching the last message if this is a speculative cache fetch as
1316 // it's likely to change.
1317 sorted_messages.pop();
1318 }
1319 sorted_messages.retain(|m| m.role == Role::User);
1320 sorted_messages.sort_by(|a, b| b.offset_range.len().cmp(&a.offset_range.len()));
1321
1322 let cache_anchors = if self.token_count.unwrap_or(0) < cache_configuration.min_total_token {
1323 // If we have't hit the minimum threshold to enable caching, don't cache anything.
1324 0
1325 } else {
1326 // Save 1 anchor for the inline assistant to use.
1327 max(cache_configuration.max_cache_anchors, 1) - 1
1328 };
1329 sorted_messages.truncate(cache_anchors);
1330
1331 let anchors: HashSet<MessageId> = sorted_messages
1332 .into_iter()
1333 .map(|message| message.id)
1334 .collect();
1335
1336 let buffer = self.buffer.read(cx).snapshot();
1337 let invalidated_caches: HashSet<MessageId> = messages
1338 .iter()
1339 .scan(false, |encountered_invalid, message| {
1340 let message_id = message.id;
1341 let is_invalid = self
1342 .messages_metadata
1343 .get(&message_id)
1344 .is_none_or(|metadata| {
1345 !metadata.is_cache_valid(&buffer, &message.offset_range)
1346 || *encountered_invalid
1347 });
1348 *encountered_invalid |= is_invalid;
1349 Some(if is_invalid { Some(message_id) } else { None })
1350 })
1351 .flatten()
1352 .collect();
1353
1354 let last_anchor = messages.iter().rev().find_map(|message| {
1355 if anchors.contains(&message.id) {
1356 Some(message.id)
1357 } else {
1358 None
1359 }
1360 });
1361
1362 let mut new_anchor_needs_caching = false;
1363 let current_version = &buffer.version;
1364 // If we have no anchors, mark all messages as not being cached.
1365 let mut hit_last_anchor = last_anchor.is_none();
1366
1367 for message in messages.iter() {
1368 if hit_last_anchor {
1369 self.update_metadata(message.id, cx, |metadata| metadata.cache = None);
1370 continue;
1371 }
1372
1373 if let Some(last_anchor) = last_anchor
1374 && message.id == last_anchor
1375 {
1376 hit_last_anchor = true;
1377 }
1378
1379 new_anchor_needs_caching = new_anchor_needs_caching
1380 || (invalidated_caches.contains(&message.id) && anchors.contains(&message.id));
1381
1382 self.update_metadata(message.id, cx, |metadata| {
1383 let cache_status = if invalidated_caches.contains(&message.id) {
1384 CacheStatus::Pending
1385 } else {
1386 metadata
1387 .cache
1388 .as_ref()
1389 .map_or(CacheStatus::Pending, |cm| cm.status.clone())
1390 };
1391 metadata.cache = Some(MessageCacheMetadata {
1392 is_anchor: anchors.contains(&message.id),
1393 is_final_anchor: hit_last_anchor,
1394 status: cache_status,
1395 cached_at: current_version.clone(),
1396 });
1397 });
1398 }
1399 new_anchor_needs_caching
1400 }
1401
1402 fn start_cache_warming(&mut self, model: &Arc<dyn LanguageModel>, cx: &mut Context<Self>) {
1403 let cache_configuration = model.cache_configuration();
1404
1405 if !self.mark_cache_anchors(&cache_configuration, true, cx) {
1406 return;
1407 }
1408 if !self.pending_completions.is_empty() {
1409 return;
1410 }
1411 if let Some(cache_configuration) = cache_configuration
1412 && !cache_configuration.should_speculate
1413 {
1414 return;
1415 }
1416
1417 let request = {
1418 let mut req = self.to_completion_request(Some(model), cx);
1419 // Skip the last message because it's likely to change and
1420 // therefore would be a waste to cache.
1421 req.messages.pop();
1422 req.messages.push(LanguageModelRequestMessage {
1423 role: Role::User,
1424 content: vec!["Respond only with OK, nothing else.".into()],
1425 cache: false,
1426 });
1427 req
1428 };
1429
1430 let model = Arc::clone(model);
1431 self.pending_cache_warming_task = cx.spawn(async move |this, cx| {
1432 async move {
1433 match model.stream_completion(request, cx).await {
1434 Ok(mut stream) => {
1435 stream.next().await;
1436 log::info!("Cache warming completed successfully");
1437 }
1438 Err(e) => {
1439 log::warn!("Cache warming failed: {}", e);
1440 }
1441 };
1442 this.update(cx, |this, cx| {
1443 this.update_cache_status_for_completion(cx);
1444 })
1445 .ok();
1446 anyhow::Ok(())
1447 }
1448 .log_err()
1449 .await
1450 });
1451 }
1452
1453 pub fn update_cache_status_for_completion(&mut self, cx: &mut Context<Self>) {
1454 let cached_message_ids: Vec<MessageId> = self
1455 .messages_metadata
1456 .iter()
1457 .filter_map(|(message_id, metadata)| {
1458 metadata.cache.as_ref().and_then(|cache| {
1459 if cache.status == CacheStatus::Pending {
1460 Some(*message_id)
1461 } else {
1462 None
1463 }
1464 })
1465 })
1466 .collect();
1467
1468 for message_id in cached_message_ids {
1469 self.update_metadata(message_id, cx, |metadata| {
1470 if let Some(cache) = &mut metadata.cache {
1471 cache.status = CacheStatus::Cached;
1472 }
1473 });
1474 }
1475 cx.notify();
1476 }
1477
1478 pub fn reparse(&mut self, cx: &mut Context<Self>) {
1479 let buffer = self.buffer.read(cx).text_snapshot();
1480 let mut row_ranges = self
1481 .edits_since_last_parse
1482 .consume()
1483 .into_iter()
1484 .map(|edit| {
1485 let start_row = buffer.offset_to_point(edit.new.start).row;
1486 let end_row = buffer.offset_to_point(edit.new.end).row + 1;
1487 start_row..end_row
1488 })
1489 .peekable();
1490
1491 let mut removed_parsed_slash_command_ranges = Vec::new();
1492 let mut updated_parsed_slash_commands = Vec::new();
1493 while let Some(mut row_range) = row_ranges.next() {
1494 while let Some(next_row_range) = row_ranges.peek() {
1495 if row_range.end >= next_row_range.start {
1496 row_range.end = next_row_range.end;
1497 row_ranges.next();
1498 } else {
1499 break;
1500 }
1501 }
1502
1503 let start = buffer.anchor_before(Point::new(row_range.start, 0));
1504 let end = buffer.anchor_after(Point::new(
1505 row_range.end - 1,
1506 buffer.line_len(row_range.end - 1),
1507 ));
1508
1509 self.reparse_slash_commands_in_range(
1510 start..end,
1511 &buffer,
1512 &mut updated_parsed_slash_commands,
1513 &mut removed_parsed_slash_command_ranges,
1514 cx,
1515 );
1516 self.invalidate_pending_slash_commands(&buffer, cx);
1517 }
1518
1519 if !updated_parsed_slash_commands.is_empty()
1520 || !removed_parsed_slash_command_ranges.is_empty()
1521 {
1522 cx.emit(ContextEvent::ParsedSlashCommandsUpdated {
1523 removed: removed_parsed_slash_command_ranges,
1524 updated: updated_parsed_slash_commands,
1525 });
1526 }
1527 }
1528
1529 fn reparse_slash_commands_in_range(
1530 &mut self,
1531 range: Range<text::Anchor>,
1532 buffer: &BufferSnapshot,
1533 updated: &mut Vec<ParsedSlashCommand>,
1534 removed: &mut Vec<Range<text::Anchor>>,
1535 cx: &App,
1536 ) {
1537 let old_range = self.pending_command_indices_for_range(range.clone(), cx);
1538
1539 let mut new_commands = Vec::new();
1540 let mut lines = buffer.text_for_range(range).lines();
1541 let mut offset = lines.offset();
1542 while let Some(line) = lines.next() {
1543 if let Some(command_line) = SlashCommandLine::parse(line) {
1544 let name = &line[command_line.name.clone()];
1545 let arguments = command_line
1546 .arguments
1547 .iter()
1548 .filter_map(|argument_range| {
1549 if argument_range.is_empty() {
1550 None
1551 } else {
1552 line.get(argument_range.clone())
1553 }
1554 })
1555 .map(ToOwned::to_owned)
1556 .collect::<SmallVec<_>>();
1557 if let Some(command) = self.slash_commands.command(name, cx)
1558 && (!command.requires_argument() || !arguments.is_empty())
1559 {
1560 let start_ix = offset + command_line.name.start - 1;
1561 let end_ix = offset
1562 + command_line
1563 .arguments
1564 .last()
1565 .map_or(command_line.name.end, |argument| argument.end);
1566 let source_range = buffer.anchor_after(start_ix)..buffer.anchor_after(end_ix);
1567 let pending_command = ParsedSlashCommand {
1568 name: name.to_string(),
1569 arguments,
1570 source_range,
1571 status: PendingSlashCommandStatus::Idle,
1572 };
1573 updated.push(pending_command.clone());
1574 new_commands.push(pending_command);
1575 }
1576 }
1577
1578 offset = lines.offset();
1579 }
1580
1581 let removed_commands = self.parsed_slash_commands.splice(old_range, new_commands);
1582 removed.extend(removed_commands.map(|command| command.source_range));
1583 }
1584
1585 fn invalidate_pending_slash_commands(
1586 &mut self,
1587 buffer: &BufferSnapshot,
1588 cx: &mut Context<Self>,
1589 ) {
1590 let mut invalidated_command_ids = Vec::new();
1591 for (&command_id, command) in self.invoked_slash_commands.iter_mut() {
1592 if !matches!(command.status, InvokedSlashCommandStatus::Finished)
1593 && (!command.range.start.is_valid(buffer) || !command.range.end.is_valid(buffer))
1594 {
1595 command.status = InvokedSlashCommandStatus::Finished;
1596 cx.emit(ContextEvent::InvokedSlashCommandChanged { command_id });
1597 invalidated_command_ids.push(command_id);
1598 }
1599 }
1600
1601 for command_id in invalidated_command_ids {
1602 let version = self.version.clone();
1603 let timestamp = self.next_timestamp();
1604 self.push_op(
1605 ContextOperation::SlashCommandFinished {
1606 id: command_id,
1607 timestamp,
1608 error_message: None,
1609 version: version.clone(),
1610 },
1611 cx,
1612 );
1613 }
1614 }
1615
1616 pub fn pending_command_for_position(
1617 &mut self,
1618 position: language::Anchor,
1619 cx: &mut Context<Self>,
1620 ) -> Option<&mut ParsedSlashCommand> {
1621 let buffer = self.buffer.read(cx);
1622 match self
1623 .parsed_slash_commands
1624 .binary_search_by(|probe| probe.source_range.end.cmp(&position, buffer))
1625 {
1626 Ok(ix) => Some(&mut self.parsed_slash_commands[ix]),
1627 Err(ix) => {
1628 let cmd = self.parsed_slash_commands.get_mut(ix)?;
1629 if position.cmp(&cmd.source_range.start, buffer).is_ge()
1630 && position.cmp(&cmd.source_range.end, buffer).is_le()
1631 {
1632 Some(cmd)
1633 } else {
1634 None
1635 }
1636 }
1637 }
1638 }
1639
1640 pub fn pending_commands_for_range(
1641 &self,
1642 range: Range<language::Anchor>,
1643 cx: &App,
1644 ) -> &[ParsedSlashCommand] {
1645 let range = self.pending_command_indices_for_range(range, cx);
1646 &self.parsed_slash_commands[range]
1647 }
1648
1649 fn pending_command_indices_for_range(
1650 &self,
1651 range: Range<language::Anchor>,
1652 cx: &App,
1653 ) -> Range<usize> {
1654 self.indices_intersecting_buffer_range(&self.parsed_slash_commands, range, cx)
1655 }
1656
1657 fn indices_intersecting_buffer_range<T: ContextAnnotation>(
1658 &self,
1659 all_annotations: &[T],
1660 range: Range<language::Anchor>,
1661 cx: &App,
1662 ) -> Range<usize> {
1663 let buffer = self.buffer.read(cx);
1664 let start_ix = match all_annotations
1665 .binary_search_by(|probe| probe.range().end.cmp(&range.start, buffer))
1666 {
1667 Ok(ix) | Err(ix) => ix,
1668 };
1669 let end_ix = match all_annotations
1670 .binary_search_by(|probe| probe.range().start.cmp(&range.end, buffer))
1671 {
1672 Ok(ix) => ix + 1,
1673 Err(ix) => ix,
1674 };
1675 start_ix..end_ix
1676 }
1677
1678 pub fn insert_command_output(
1679 &mut self,
1680 command_source_range: Range<language::Anchor>,
1681 name: &str,
1682 output: Task<SlashCommandResult>,
1683 ensure_trailing_newline: bool,
1684 cx: &mut Context<Self>,
1685 ) {
1686 let version = self.version.clone();
1687 let command_id = InvokedSlashCommandId(self.next_timestamp());
1688
1689 const PENDING_OUTPUT_END_MARKER: &str = "…";
1690
1691 let (command_range, command_source_range, insert_position, first_transaction) =
1692 self.buffer.update(cx, |buffer, cx| {
1693 let command_source_range = command_source_range.to_offset(buffer);
1694 let mut insertion = format!("\n{PENDING_OUTPUT_END_MARKER}");
1695 if ensure_trailing_newline {
1696 insertion.push('\n');
1697 }
1698
1699 buffer.finalize_last_transaction();
1700 buffer.start_transaction();
1701 buffer.edit(
1702 [(
1703 command_source_range.end..command_source_range.end,
1704 insertion,
1705 )],
1706 None,
1707 cx,
1708 );
1709 let first_transaction = buffer.end_transaction(cx).unwrap();
1710 buffer.finalize_last_transaction();
1711
1712 let insert_position = buffer.anchor_after(command_source_range.end + 1);
1713 let command_range = buffer.anchor_after(command_source_range.start)
1714 ..buffer.anchor_before(
1715 command_source_range.end + 1 + PENDING_OUTPUT_END_MARKER.len(),
1716 );
1717 let command_source_range = buffer.anchor_before(command_source_range.start)
1718 ..buffer.anchor_before(command_source_range.end + 1);
1719 (
1720 command_range,
1721 command_source_range,
1722 insert_position,
1723 first_transaction,
1724 )
1725 });
1726 self.reparse(cx);
1727
1728 let insert_output_task = cx.spawn(async move |this, cx| {
1729 let run_command = async {
1730 let mut stream = output.await?;
1731
1732 struct PendingSection {
1733 start: language::Anchor,
1734 icon: IconName,
1735 label: SharedString,
1736 metadata: Option<serde_json::Value>,
1737 }
1738
1739 let mut pending_section_stack: Vec<PendingSection> = Vec::new();
1740 let mut last_role: Option<Role> = None;
1741 let mut last_section_range = None;
1742
1743 while let Some(event) = stream.next().await {
1744 let event = event?;
1745 this.update(cx, |this, cx| {
1746 this.buffer.update(cx, |buffer, _cx| {
1747 buffer.finalize_last_transaction();
1748 buffer.start_transaction()
1749 });
1750
1751 match event {
1752 SlashCommandEvent::StartMessage {
1753 role,
1754 merge_same_roles,
1755 } => {
1756 if !merge_same_roles && Some(role) != last_role {
1757 let buffer = this.buffer.read(cx);
1758 let offset = insert_position.to_offset(buffer);
1759 this.insert_message_at_offset(
1760 offset,
1761 role,
1762 MessageStatus::Pending,
1763 cx,
1764 );
1765 }
1766
1767 last_role = Some(role);
1768 }
1769 SlashCommandEvent::StartSection {
1770 icon,
1771 label,
1772 metadata,
1773 } => {
1774 this.buffer.update(cx, |buffer, cx| {
1775 let insert_point = insert_position.to_point(buffer);
1776 if insert_point.column > 0 {
1777 buffer.edit([(insert_point..insert_point, "\n")], None, cx);
1778 }
1779
1780 pending_section_stack.push(PendingSection {
1781 start: buffer.anchor_before(insert_position),
1782 icon,
1783 label,
1784 metadata,
1785 });
1786 });
1787 }
1788 SlashCommandEvent::Content(SlashCommandContent::Text {
1789 text,
1790 run_commands_in_text,
1791 }) => {
1792 let start = this.buffer.read(cx).anchor_before(insert_position);
1793
1794 this.buffer.update(cx, |buffer, cx| {
1795 buffer.edit(
1796 [(insert_position..insert_position, text)],
1797 None,
1798 cx,
1799 )
1800 });
1801
1802 let end = this.buffer.read(cx).anchor_before(insert_position);
1803 if run_commands_in_text
1804 && let Some(invoked_slash_command) =
1805 this.invoked_slash_commands.get_mut(&command_id)
1806 {
1807 invoked_slash_command
1808 .run_commands_in_ranges
1809 .push(start..end);
1810 }
1811 }
1812 SlashCommandEvent::EndSection => {
1813 if let Some(pending_section) = pending_section_stack.pop() {
1814 let offset_range = (pending_section.start..insert_position)
1815 .to_offset(this.buffer.read(cx));
1816 if !offset_range.is_empty() {
1817 let range = this.buffer.update(cx, |buffer, _cx| {
1818 buffer.anchor_after(offset_range.start)
1819 ..buffer.anchor_before(offset_range.end)
1820 });
1821 this.insert_slash_command_output_section(
1822 SlashCommandOutputSection {
1823 range: range.clone(),
1824 icon: pending_section.icon,
1825 label: pending_section.label,
1826 metadata: pending_section.metadata,
1827 },
1828 cx,
1829 );
1830 last_section_range = Some(range);
1831 }
1832 }
1833 }
1834 }
1835
1836 this.buffer.update(cx, |buffer, cx| {
1837 if let Some(event_transaction) = buffer.end_transaction(cx) {
1838 buffer.merge_transactions(event_transaction, first_transaction);
1839 }
1840 });
1841 })?;
1842 }
1843
1844 this.update(cx, |this, cx| {
1845 this.buffer.update(cx, |buffer, cx| {
1846 buffer.finalize_last_transaction();
1847 buffer.start_transaction();
1848
1849 let mut deletions = vec![(command_source_range.to_offset(buffer), "")];
1850 let insert_position = insert_position.to_offset(buffer);
1851 let command_range_end = command_range.end.to_offset(buffer);
1852
1853 if buffer.contains_str_at(insert_position, PENDING_OUTPUT_END_MARKER) {
1854 deletions.push((
1855 insert_position..insert_position + PENDING_OUTPUT_END_MARKER.len(),
1856 "",
1857 ));
1858 }
1859
1860 if ensure_trailing_newline
1861 && buffer.contains_str_at(command_range_end, "\n")
1862 {
1863 let newline_offset = insert_position.saturating_sub(1);
1864 if buffer.contains_str_at(newline_offset, "\n")
1865 && last_section_range.is_none_or(|last_section_range| {
1866 !last_section_range
1867 .to_offset(buffer)
1868 .contains(&newline_offset)
1869 })
1870 {
1871 deletions.push((command_range_end..command_range_end + 1, ""));
1872 }
1873 }
1874
1875 buffer.edit(deletions, None, cx);
1876
1877 if let Some(deletion_transaction) = buffer.end_transaction(cx) {
1878 buffer.merge_transactions(deletion_transaction, first_transaction);
1879 }
1880 });
1881 })?;
1882
1883 debug_assert!(pending_section_stack.is_empty());
1884
1885 anyhow::Ok(())
1886 };
1887
1888 let command_result = run_command.await;
1889
1890 this.update(cx, |this, cx| {
1891 let version = this.version.clone();
1892 let timestamp = this.next_timestamp();
1893 let Some(invoked_slash_command) = this.invoked_slash_commands.get_mut(&command_id)
1894 else {
1895 return;
1896 };
1897 let mut error_message = None;
1898 match command_result {
1899 Ok(()) => {
1900 invoked_slash_command.status = InvokedSlashCommandStatus::Finished;
1901 }
1902 Err(error) => {
1903 let message = error.to_string();
1904 invoked_slash_command.status =
1905 InvokedSlashCommandStatus::Error(message.clone().into());
1906 error_message = Some(message);
1907 }
1908 }
1909
1910 cx.emit(ContextEvent::InvokedSlashCommandChanged { command_id });
1911 this.push_op(
1912 ContextOperation::SlashCommandFinished {
1913 id: command_id,
1914 timestamp,
1915 error_message,
1916 version,
1917 },
1918 cx,
1919 );
1920 })
1921 .ok();
1922 });
1923
1924 self.invoked_slash_commands.insert(
1925 command_id,
1926 InvokedSlashCommand {
1927 name: name.to_string().into(),
1928 range: command_range.clone(),
1929 run_commands_in_ranges: Vec::new(),
1930 status: InvokedSlashCommandStatus::Running(insert_output_task),
1931 transaction: Some(first_transaction),
1932 timestamp: command_id.0,
1933 },
1934 );
1935 cx.emit(ContextEvent::InvokedSlashCommandChanged { command_id });
1936 self.push_op(
1937 ContextOperation::SlashCommandStarted {
1938 id: command_id,
1939 output_range: command_range,
1940 name: name.to_string(),
1941 version,
1942 },
1943 cx,
1944 );
1945 }
1946
1947 fn insert_slash_command_output_section(
1948 &mut self,
1949 section: SlashCommandOutputSection<language::Anchor>,
1950 cx: &mut Context<Self>,
1951 ) {
1952 let buffer = self.buffer.read(cx);
1953 let insertion_ix = match self
1954 .slash_command_output_sections
1955 .binary_search_by(|probe| probe.range.cmp(§ion.range, buffer))
1956 {
1957 Ok(ix) | Err(ix) => ix,
1958 };
1959 self.slash_command_output_sections
1960 .insert(insertion_ix, section.clone());
1961 cx.emit(ContextEvent::SlashCommandOutputSectionAdded {
1962 section: section.clone(),
1963 });
1964 let version = self.version.clone();
1965 let timestamp = self.next_timestamp();
1966 self.push_op(
1967 ContextOperation::SlashCommandOutputSectionAdded {
1968 timestamp,
1969 section,
1970 version,
1971 },
1972 cx,
1973 );
1974 }
1975
1976 fn insert_thought_process_output_section(
1977 &mut self,
1978 section: ThoughtProcessOutputSection<language::Anchor>,
1979 cx: &mut Context<Self>,
1980 ) {
1981 let buffer = self.buffer.read(cx);
1982 let insertion_ix = match self
1983 .thought_process_output_sections
1984 .binary_search_by(|probe| probe.range.cmp(§ion.range, buffer))
1985 {
1986 Ok(ix) | Err(ix) => ix,
1987 };
1988 self.thought_process_output_sections
1989 .insert(insertion_ix, section.clone());
1990 // cx.emit(ContextEvent::ThoughtProcessOutputSectionAdded {
1991 // section: section.clone(),
1992 // });
1993 let version = self.version.clone();
1994 let timestamp = self.next_timestamp();
1995 self.push_op(
1996 ContextOperation::ThoughtProcessOutputSectionAdded {
1997 timestamp,
1998 section,
1999 version,
2000 },
2001 cx,
2002 );
2003 }
2004
2005 pub fn completion_provider_changed(&mut self, cx: &mut Context<Self>) {
2006 self.count_remaining_tokens(cx);
2007 }
2008
2009 fn get_last_valid_message_id(&self, cx: &Context<Self>) -> Option<MessageId> {
2010 self.message_anchors.iter().rev().find_map(|message| {
2011 message
2012 .start
2013 .is_valid(self.buffer.read(cx))
2014 .then_some(message.id)
2015 })
2016 }
2017
2018 pub fn assist(&mut self, cx: &mut Context<Self>) -> Option<MessageAnchor> {
2019 let model_registry = LanguageModelRegistry::read_global(cx);
2020 let model = model_registry.default_model()?;
2021 let last_message_id = self.get_last_valid_message_id(cx)?;
2022
2023 if !model.provider.is_authenticated(cx) {
2024 log::info!("completion provider has no credentials");
2025 return None;
2026 }
2027
2028 let model = model.model;
2029
2030 // Compute which messages to cache, including the last one.
2031 self.mark_cache_anchors(&model.cache_configuration(), false, cx);
2032
2033 let request = self.to_completion_request(Some(&model), cx);
2034
2035 let assistant_message = self
2036 .insert_message_after(last_message_id, Role::Assistant, MessageStatus::Pending, cx)
2037 .unwrap();
2038
2039 // Queue up the user's next reply.
2040 let user_message = self
2041 .insert_message_after(assistant_message.id, Role::User, MessageStatus::Done, cx)
2042 .unwrap();
2043
2044 let pending_completion_id = post_inc(&mut self.completion_count);
2045
2046 let task = cx.spawn({
2047 async move |this, cx| {
2048 let stream = model.stream_completion(request, cx);
2049 let assistant_message_id = assistant_message.id;
2050 let mut response_latency = None;
2051 let stream_completion = async {
2052 let request_start = Instant::now();
2053 let mut events = stream.await?;
2054 let mut stop_reason = StopReason::EndTurn;
2055 let mut thought_process_stack = Vec::new();
2056
2057 const THOUGHT_PROCESS_START_MARKER: &str = "<think>\n";
2058 const THOUGHT_PROCESS_END_MARKER: &str = "\n</think>";
2059
2060 while let Some(event) = events.next().await {
2061 if response_latency.is_none() {
2062 response_latency = Some(request_start.elapsed());
2063 }
2064 let event = event?;
2065
2066 let mut context_event = None;
2067 let mut thought_process_output_section = None;
2068
2069 this.update(cx, |this, cx| {
2070 let message_ix = this
2071 .message_anchors
2072 .iter()
2073 .position(|message| message.id == assistant_message_id)?;
2074 this.buffer.update(cx, |buffer, cx| {
2075 let message_old_end_offset = this.message_anchors[message_ix + 1..]
2076 .iter()
2077 .find(|message| message.start.is_valid(buffer))
2078 .map_or(buffer.len(), |message| {
2079 message.start.to_offset(buffer).saturating_sub(1)
2080 });
2081
2082 match event {
2083 LanguageModelCompletionEvent::StatusUpdate(status_update) => {
2084 match status_update {
2085 CompletionRequestStatus::UsageUpdated { amount, limit } => {
2086 this.update_model_request_usage(
2087 amount as u32,
2088 limit,
2089 cx,
2090 );
2091 }
2092 _ => {}
2093 }
2094 }
2095 LanguageModelCompletionEvent::StartMessage { .. } => {}
2096 LanguageModelCompletionEvent::Stop(reason) => {
2097 stop_reason = reason;
2098 }
2099 LanguageModelCompletionEvent::Thinking { text: chunk, .. } => {
2100 if thought_process_stack.is_empty() {
2101 let start =
2102 buffer.anchor_before(message_old_end_offset);
2103 thought_process_stack.push(start);
2104 let chunk =
2105 format!("{THOUGHT_PROCESS_START_MARKER}{chunk}{THOUGHT_PROCESS_END_MARKER}");
2106 let chunk_len = chunk.len();
2107 buffer.edit(
2108 [(
2109 message_old_end_offset..message_old_end_offset,
2110 chunk,
2111 )],
2112 None,
2113 cx,
2114 );
2115 let end = buffer
2116 .anchor_before(message_old_end_offset + chunk_len);
2117 context_event = Some(
2118 ContextEvent::StartedThoughtProcess(start..end),
2119 );
2120 } else {
2121 // This ensures that all the thinking chunks are inserted inside the thinking tag
2122 let insertion_position =
2123 message_old_end_offset - THOUGHT_PROCESS_END_MARKER.len();
2124 buffer.edit(
2125 [(insertion_position..insertion_position, chunk)],
2126 None,
2127 cx,
2128 );
2129 }
2130 }
2131 LanguageModelCompletionEvent::RedactedThinking { .. } => {},
2132 LanguageModelCompletionEvent::Text(mut chunk) => {
2133 if let Some(start) = thought_process_stack.pop() {
2134 let end = buffer.anchor_before(message_old_end_offset);
2135 context_event =
2136 Some(ContextEvent::EndedThoughtProcess(end));
2137 thought_process_output_section =
2138 Some(ThoughtProcessOutputSection {
2139 range: start..end,
2140 });
2141 chunk.insert_str(0, "\n\n");
2142 }
2143
2144 buffer.edit(
2145 [(
2146 message_old_end_offset..message_old_end_offset,
2147 chunk,
2148 )],
2149 None,
2150 cx,
2151 );
2152 }
2153 LanguageModelCompletionEvent::ToolUse(_) |
2154 LanguageModelCompletionEvent::ToolUseJsonParseError { .. } |
2155 LanguageModelCompletionEvent::UsageUpdate(_) => {}
2156 }
2157 });
2158
2159 if let Some(section) = thought_process_output_section.take() {
2160 this.insert_thought_process_output_section(section, cx);
2161 }
2162 if let Some(context_event) = context_event.take() {
2163 cx.emit(context_event);
2164 }
2165
2166 cx.emit(ContextEvent::StreamedCompletion);
2167
2168 Some(())
2169 })?;
2170 smol::future::yield_now().await;
2171 }
2172 this.update(cx, |this, cx| {
2173 this.pending_completions
2174 .retain(|completion| completion.id != pending_completion_id);
2175 this.summarize(false, cx);
2176 this.update_cache_status_for_completion(cx);
2177 })?;
2178
2179 anyhow::Ok(stop_reason)
2180 };
2181
2182 let result = stream_completion.await;
2183
2184 this.update(cx, |this, cx| {
2185 let error_message = if let Some(error) = result.as_ref().err() {
2186 if error.is::<PaymentRequiredError>() {
2187 cx.emit(ContextEvent::ShowPaymentRequiredError);
2188 this.update_metadata(assistant_message_id, cx, |metadata| {
2189 metadata.status = MessageStatus::Canceled;
2190 });
2191 Some(error.to_string())
2192 } else {
2193 let error_message = error
2194 .chain()
2195 .map(|err| err.to_string())
2196 .collect::<Vec<_>>()
2197 .join("\n");
2198 cx.emit(ContextEvent::ShowAssistError(SharedString::from(
2199 error_message.clone(),
2200 )));
2201 this.update_metadata(assistant_message_id, cx, |metadata| {
2202 metadata.status =
2203 MessageStatus::Error(SharedString::from(error_message.clone()));
2204 });
2205 Some(error_message)
2206 }
2207 } else {
2208 this.update_metadata(assistant_message_id, cx, |metadata| {
2209 metadata.status = MessageStatus::Done;
2210 });
2211 None
2212 };
2213
2214 let language_name = this
2215 .buffer
2216 .read(cx)
2217 .language()
2218 .map(|language| language.name());
2219 report_assistant_event(
2220 AssistantEventData {
2221 conversation_id: Some(this.id.0.clone()),
2222 kind: AssistantKind::Panel,
2223 phase: AssistantPhase::Response,
2224 message_id: None,
2225 model: model.telemetry_id(),
2226 model_provider: model.provider_id().to_string(),
2227 response_latency,
2228 error_message,
2229 language_name: language_name.map(|name| name.to_proto()),
2230 },
2231 this.telemetry.clone(),
2232 cx.http_client(),
2233 model.api_key(cx),
2234 cx.background_executor(),
2235 );
2236
2237 if let Ok(stop_reason) = result {
2238 match stop_reason {
2239 StopReason::ToolUse => {}
2240 StopReason::EndTurn => {}
2241 StopReason::MaxTokens => {}
2242 StopReason::Refusal => {}
2243 }
2244 }
2245 })
2246 .ok();
2247 }
2248 });
2249
2250 self.pending_completions.push(PendingCompletion {
2251 id: pending_completion_id,
2252 assistant_message_id: assistant_message.id,
2253 _task: task,
2254 });
2255
2256 Some(user_message)
2257 }
2258
2259 pub fn to_xml(&self, cx: &App) -> String {
2260 let mut output = String::new();
2261 let buffer = self.buffer.read(cx);
2262 for message in self.messages(cx) {
2263 if message.status != MessageStatus::Done {
2264 continue;
2265 }
2266
2267 writeln!(&mut output, "<{}>", message.role).unwrap();
2268 for chunk in buffer.text_for_range(message.offset_range) {
2269 output.push_str(chunk);
2270 }
2271 if !output.ends_with('\n') {
2272 output.push('\n');
2273 }
2274 writeln!(&mut output, "</{}>", message.role).unwrap();
2275 }
2276 output
2277 }
2278
2279 pub fn to_completion_request(
2280 &self,
2281 model: Option<&Arc<dyn LanguageModel>>,
2282 cx: &App,
2283 ) -> LanguageModelRequest {
2284 let buffer = self.buffer.read(cx);
2285
2286 let mut contents = self.contents(cx).peekable();
2287
2288 fn collect_text_content(buffer: &Buffer, range: Range<usize>) -> Option<String> {
2289 let text: String = buffer.text_for_range(range.clone()).collect();
2290 if text.trim().is_empty() {
2291 None
2292 } else {
2293 Some(text)
2294 }
2295 }
2296
2297 let mut completion_request = LanguageModelRequest {
2298 thread_id: None,
2299 prompt_id: None,
2300 intent: Some(CompletionIntent::UserPrompt),
2301 mode: None,
2302 messages: Vec::new(),
2303 tools: Vec::new(),
2304 tool_choice: None,
2305 stop: Vec::new(),
2306 temperature: model.and_then(|model| AgentSettings::temperature_for_model(model, cx)),
2307 thinking_allowed: true,
2308 };
2309 for message in self.messages(cx) {
2310 if message.status != MessageStatus::Done {
2311 continue;
2312 }
2313
2314 let mut offset = message.offset_range.start;
2315 let mut request_message = LanguageModelRequestMessage {
2316 role: message.role,
2317 content: Vec::new(),
2318 cache: message.cache.as_ref().is_some_and(|cache| cache.is_anchor),
2319 };
2320
2321 while let Some(content) = contents.peek() {
2322 if content
2323 .range()
2324 .end
2325 .cmp(&message.anchor_range.end, buffer)
2326 .is_lt()
2327 {
2328 let content = contents.next().unwrap();
2329 let range = content.range().to_offset(buffer);
2330 request_message.content.extend(
2331 collect_text_content(buffer, offset..range.start).map(MessageContent::Text),
2332 );
2333
2334 match content {
2335 Content::Image { image, .. } => {
2336 if let Some(image) = image.clone().now_or_never().flatten() {
2337 request_message
2338 .content
2339 .push(language_model::MessageContent::Image(image));
2340 }
2341 }
2342 }
2343
2344 offset = range.end;
2345 } else {
2346 break;
2347 }
2348 }
2349
2350 request_message.content.extend(
2351 collect_text_content(buffer, offset..message.offset_range.end)
2352 .map(MessageContent::Text),
2353 );
2354
2355 if !request_message.contents_empty() {
2356 completion_request.messages.push(request_message);
2357 }
2358 }
2359 let supports_burn_mode = if let Some(model) = model {
2360 model.supports_burn_mode()
2361 } else {
2362 false
2363 };
2364
2365 if supports_burn_mode {
2366 completion_request.mode = Some(self.completion_mode.into());
2367 }
2368 completion_request
2369 }
2370
2371 pub fn cancel_last_assist(&mut self, cx: &mut Context<Self>) -> bool {
2372 if let Some(pending_completion) = self.pending_completions.pop() {
2373 self.update_metadata(pending_completion.assistant_message_id, cx, |metadata| {
2374 if metadata.status == MessageStatus::Pending {
2375 metadata.status = MessageStatus::Canceled;
2376 }
2377 });
2378 true
2379 } else {
2380 false
2381 }
2382 }
2383
2384 pub fn cycle_message_roles(&mut self, ids: HashSet<MessageId>, cx: &mut Context<Self>) {
2385 for id in &ids {
2386 if let Some(metadata) = self.messages_metadata.get(id) {
2387 let role = metadata.role.cycle();
2388 self.update_metadata(*id, cx, |metadata| metadata.role = role);
2389 }
2390 }
2391
2392 self.message_roles_updated(ids, cx);
2393 }
2394
2395 fn message_roles_updated(&mut self, ids: HashSet<MessageId>, cx: &mut Context<Self>) {
2396 let mut ranges = Vec::new();
2397 for message in self.messages(cx) {
2398 if ids.contains(&message.id) {
2399 ranges.push(message.anchor_range.clone());
2400 }
2401 }
2402 }
2403
2404 pub fn update_metadata(
2405 &mut self,
2406 id: MessageId,
2407 cx: &mut Context<Self>,
2408 f: impl FnOnce(&mut MessageMetadata),
2409 ) {
2410 let version = self.version.clone();
2411 let timestamp = self.next_timestamp();
2412 if let Some(metadata) = self.messages_metadata.get_mut(&id) {
2413 f(metadata);
2414 metadata.timestamp = timestamp;
2415 let operation = ContextOperation::UpdateMessage {
2416 message_id: id,
2417 metadata: metadata.clone(),
2418 version,
2419 };
2420 self.push_op(operation, cx);
2421 cx.emit(ContextEvent::MessagesEdited);
2422 cx.notify();
2423 }
2424 }
2425
2426 pub fn insert_message_after(
2427 &mut self,
2428 message_id: MessageId,
2429 role: Role,
2430 status: MessageStatus,
2431 cx: &mut Context<Self>,
2432 ) -> Option<MessageAnchor> {
2433 if let Some(prev_message_ix) = self
2434 .message_anchors
2435 .iter()
2436 .position(|message| message.id == message_id)
2437 {
2438 // Find the next valid message after the one we were given.
2439 let mut next_message_ix = prev_message_ix + 1;
2440 while let Some(next_message) = self.message_anchors.get(next_message_ix) {
2441 if next_message.start.is_valid(self.buffer.read(cx)) {
2442 break;
2443 }
2444 next_message_ix += 1;
2445 }
2446
2447 let buffer = self.buffer.read(cx);
2448 let offset = self
2449 .message_anchors
2450 .get(next_message_ix)
2451 .map_or(buffer.len(), |message| {
2452 buffer.clip_offset(message.start.to_offset(buffer) - 1, Bias::Left)
2453 });
2454 Some(self.insert_message_at_offset(offset, role, status, cx))
2455 } else {
2456 None
2457 }
2458 }
2459
2460 fn insert_message_at_offset(
2461 &mut self,
2462 offset: usize,
2463 role: Role,
2464 status: MessageStatus,
2465 cx: &mut Context<Self>,
2466 ) -> MessageAnchor {
2467 let start = self.buffer.update(cx, |buffer, cx| {
2468 buffer.edit([(offset..offset, "\n")], None, cx);
2469 buffer.anchor_before(offset + 1)
2470 });
2471
2472 let version = self.version.clone();
2473 let anchor = MessageAnchor {
2474 id: MessageId(self.next_timestamp()),
2475 start,
2476 };
2477 let metadata = MessageMetadata {
2478 role,
2479 status,
2480 timestamp: anchor.id.0,
2481 cache: None,
2482 };
2483 self.insert_message(anchor.clone(), metadata.clone(), cx);
2484 self.push_op(
2485 ContextOperation::InsertMessage {
2486 anchor: anchor.clone(),
2487 metadata,
2488 version,
2489 },
2490 cx,
2491 );
2492 anchor
2493 }
2494
2495 pub fn insert_content(&mut self, content: Content, cx: &mut Context<Self>) {
2496 let buffer = self.buffer.read(cx);
2497 let insertion_ix = match self
2498 .contents
2499 .binary_search_by(|probe| probe.cmp(&content, buffer))
2500 {
2501 Ok(ix) => {
2502 self.contents.remove(ix);
2503 ix
2504 }
2505 Err(ix) => ix,
2506 };
2507 self.contents.insert(insertion_ix, content);
2508 cx.emit(ContextEvent::MessagesEdited);
2509 }
2510
2511 pub fn contents<'a>(&'a self, cx: &'a App) -> impl 'a + Iterator<Item = Content> {
2512 let buffer = self.buffer.read(cx);
2513 self.contents
2514 .iter()
2515 .filter(|content| {
2516 let range = content.range();
2517 range.start.is_valid(buffer) && range.end.is_valid(buffer)
2518 })
2519 .cloned()
2520 }
2521
2522 pub fn split_message(
2523 &mut self,
2524 range: Range<usize>,
2525 cx: &mut Context<Self>,
2526 ) -> (Option<MessageAnchor>, Option<MessageAnchor>) {
2527 let start_message = self.message_for_offset(range.start, cx);
2528 let end_message = self.message_for_offset(range.end, cx);
2529 if let Some((start_message, end_message)) = start_message.zip(end_message) {
2530 // Prevent splitting when range spans multiple messages.
2531 if start_message.id != end_message.id {
2532 return (None, None);
2533 }
2534
2535 let message = start_message;
2536 let at_end = range.end >= message.offset_range.end.saturating_sub(1);
2537 let role_after = if range.start == range.end || at_end {
2538 Role::User
2539 } else {
2540 message.role
2541 };
2542 let role = message.role;
2543 let mut edited_buffer = false;
2544
2545 let mut suffix_start = None;
2546
2547 // TODO: why did this start panicking?
2548 if range.start > message.offset_range.start
2549 && range.end < message.offset_range.end.saturating_sub(1)
2550 {
2551 if self.buffer.read(cx).chars_at(range.end).next() == Some('\n') {
2552 suffix_start = Some(range.end + 1);
2553 } else if self.buffer.read(cx).reversed_chars_at(range.end).next() == Some('\n') {
2554 suffix_start = Some(range.end);
2555 }
2556 }
2557
2558 let version = self.version.clone();
2559 let suffix = if let Some(suffix_start) = suffix_start {
2560 MessageAnchor {
2561 id: MessageId(self.next_timestamp()),
2562 start: self.buffer.read(cx).anchor_before(suffix_start),
2563 }
2564 } else {
2565 self.buffer.update(cx, |buffer, cx| {
2566 buffer.edit([(range.end..range.end, "\n")], None, cx);
2567 });
2568 edited_buffer = true;
2569 MessageAnchor {
2570 id: MessageId(self.next_timestamp()),
2571 start: self.buffer.read(cx).anchor_before(range.end + 1),
2572 }
2573 };
2574
2575 let suffix_metadata = MessageMetadata {
2576 role: role_after,
2577 status: MessageStatus::Done,
2578 timestamp: suffix.id.0,
2579 cache: None,
2580 };
2581 self.insert_message(suffix.clone(), suffix_metadata.clone(), cx);
2582 self.push_op(
2583 ContextOperation::InsertMessage {
2584 anchor: suffix.clone(),
2585 metadata: suffix_metadata,
2586 version,
2587 },
2588 cx,
2589 );
2590
2591 let new_messages =
2592 if range.start == range.end || range.start == message.offset_range.start {
2593 (None, Some(suffix))
2594 } else {
2595 let mut prefix_end = None;
2596 if range.start > message.offset_range.start
2597 && range.end < message.offset_range.end - 1
2598 {
2599 if self.buffer.read(cx).chars_at(range.start).next() == Some('\n') {
2600 prefix_end = Some(range.start + 1);
2601 } else if self.buffer.read(cx).reversed_chars_at(range.start).next()
2602 == Some('\n')
2603 {
2604 prefix_end = Some(range.start);
2605 }
2606 }
2607
2608 let version = self.version.clone();
2609 let selection = if let Some(prefix_end) = prefix_end {
2610 MessageAnchor {
2611 id: MessageId(self.next_timestamp()),
2612 start: self.buffer.read(cx).anchor_before(prefix_end),
2613 }
2614 } else {
2615 self.buffer.update(cx, |buffer, cx| {
2616 buffer.edit([(range.start..range.start, "\n")], None, cx)
2617 });
2618 edited_buffer = true;
2619 MessageAnchor {
2620 id: MessageId(self.next_timestamp()),
2621 start: self.buffer.read(cx).anchor_before(range.end + 1),
2622 }
2623 };
2624
2625 let selection_metadata = MessageMetadata {
2626 role,
2627 status: MessageStatus::Done,
2628 timestamp: selection.id.0,
2629 cache: None,
2630 };
2631 self.insert_message(selection.clone(), selection_metadata.clone(), cx);
2632 self.push_op(
2633 ContextOperation::InsertMessage {
2634 anchor: selection.clone(),
2635 metadata: selection_metadata,
2636 version,
2637 },
2638 cx,
2639 );
2640
2641 (Some(selection), Some(suffix))
2642 };
2643
2644 if !edited_buffer {
2645 cx.emit(ContextEvent::MessagesEdited);
2646 }
2647 new_messages
2648 } else {
2649 (None, None)
2650 }
2651 }
2652
2653 fn insert_message(
2654 &mut self,
2655 new_anchor: MessageAnchor,
2656 new_metadata: MessageMetadata,
2657 cx: &mut Context<Self>,
2658 ) {
2659 cx.emit(ContextEvent::MessagesEdited);
2660
2661 self.messages_metadata.insert(new_anchor.id, new_metadata);
2662
2663 let buffer = self.buffer.read(cx);
2664 let insertion_ix = self
2665 .message_anchors
2666 .iter()
2667 .position(|anchor| {
2668 let comparison = new_anchor.start.cmp(&anchor.start, buffer);
2669 comparison.is_lt() || (comparison.is_eq() && new_anchor.id > anchor.id)
2670 })
2671 .unwrap_or(self.message_anchors.len());
2672 self.message_anchors.insert(insertion_ix, new_anchor);
2673 }
2674
2675 pub fn summarize(&mut self, mut replace_old: bool, cx: &mut Context<Self>) {
2676 let Some(model) = LanguageModelRegistry::read_global(cx).default_model() else {
2677 return;
2678 };
2679
2680 if replace_old || (self.message_anchors.len() >= 2 && self.summary.is_pending()) {
2681 if !model.provider.is_authenticated(cx) {
2682 return;
2683 }
2684
2685 let mut request = self.to_completion_request(Some(&model.model), cx);
2686 request.messages.push(LanguageModelRequestMessage {
2687 role: Role::User,
2688 content: vec![SUMMARIZE_THREAD_PROMPT.into()],
2689 cache: false,
2690 });
2691
2692 // If there is no summary, it is set with `done: false` so that "Loading Summary…" can
2693 // be displayed.
2694 match self.summary {
2695 ContextSummary::Pending | ContextSummary::Error => {
2696 self.summary = ContextSummary::Content(ContextSummaryContent {
2697 text: "".to_string(),
2698 done: false,
2699 timestamp: clock::Lamport::default(),
2700 });
2701 replace_old = true;
2702 }
2703 ContextSummary::Content(_) => {}
2704 }
2705
2706 self.summary_task = cx.spawn(async move |this, cx| {
2707 let result = async {
2708 let stream = model.model.stream_completion_text(request, cx);
2709 let mut messages = stream.await?;
2710
2711 let mut replaced = !replace_old;
2712 while let Some(message) = messages.stream.next().await {
2713 let text = message?;
2714 let mut lines = text.lines();
2715 this.update(cx, |this, cx| {
2716 let version = this.version.clone();
2717 let timestamp = this.next_timestamp();
2718 let summary = this.summary.content_or_set_empty();
2719 if !replaced && replace_old {
2720 summary.text.clear();
2721 replaced = true;
2722 }
2723 summary.text.extend(lines.next());
2724 summary.timestamp = timestamp;
2725 let operation = ContextOperation::UpdateSummary {
2726 summary: summary.clone(),
2727 version,
2728 };
2729 this.push_op(operation, cx);
2730 cx.emit(ContextEvent::SummaryChanged);
2731 cx.emit(ContextEvent::SummaryGenerated);
2732 })?;
2733
2734 // Stop if the LLM generated multiple lines.
2735 if lines.next().is_some() {
2736 break;
2737 }
2738 }
2739
2740 this.read_with(cx, |this, _cx| {
2741 if let Some(summary) = this.summary.content()
2742 && summary.text.is_empty()
2743 {
2744 bail!("Model generated an empty summary");
2745 }
2746 Ok(())
2747 })??;
2748
2749 this.update(cx, |this, cx| {
2750 let version = this.version.clone();
2751 let timestamp = this.next_timestamp();
2752 if let Some(summary) = this.summary.content_as_mut() {
2753 summary.done = true;
2754 summary.timestamp = timestamp;
2755 let operation = ContextOperation::UpdateSummary {
2756 summary: summary.clone(),
2757 version,
2758 };
2759 this.push_op(operation, cx);
2760 cx.emit(ContextEvent::SummaryChanged);
2761 cx.emit(ContextEvent::SummaryGenerated);
2762 }
2763 })?;
2764
2765 anyhow::Ok(())
2766 }
2767 .await;
2768
2769 if let Err(err) = result {
2770 this.update(cx, |this, cx| {
2771 this.summary = ContextSummary::Error;
2772 cx.emit(ContextEvent::SummaryChanged);
2773 })
2774 .log_err();
2775 log::error!("Error generating context summary: {}", err);
2776 }
2777
2778 Some(())
2779 });
2780 }
2781 }
2782
2783 fn message_for_offset(&self, offset: usize, cx: &App) -> Option<Message> {
2784 self.messages_for_offsets([offset], cx).pop()
2785 }
2786
2787 pub fn messages_for_offsets(
2788 &self,
2789 offsets: impl IntoIterator<Item = usize>,
2790 cx: &App,
2791 ) -> Vec<Message> {
2792 let mut result = Vec::new();
2793
2794 let mut messages = self.messages(cx).peekable();
2795 let mut offsets = offsets.into_iter().peekable();
2796 let mut current_message = messages.next();
2797 while let Some(offset) = offsets.next() {
2798 // Locate the message that contains the offset.
2799 while current_message.as_ref().is_some_and(|message| {
2800 !message.offset_range.contains(&offset) && messages.peek().is_some()
2801 }) {
2802 current_message = messages.next();
2803 }
2804 let Some(message) = current_message.as_ref() else {
2805 break;
2806 };
2807
2808 // Skip offsets that are in the same message.
2809 while offsets.peek().is_some_and(|offset| {
2810 message.offset_range.contains(offset) || messages.peek().is_none()
2811 }) {
2812 offsets.next();
2813 }
2814
2815 result.push(message.clone());
2816 }
2817 result
2818 }
2819
2820 fn messages_from_anchors<'a>(
2821 &'a self,
2822 message_anchors: impl Iterator<Item = &'a MessageAnchor> + 'a,
2823 cx: &'a App,
2824 ) -> impl 'a + Iterator<Item = Message> {
2825 let buffer = self.buffer.read(cx);
2826
2827 Self::messages_from_iters(buffer, &self.messages_metadata, message_anchors.enumerate())
2828 }
2829
2830 pub fn messages<'a>(&'a self, cx: &'a App) -> impl 'a + Iterator<Item = Message> {
2831 self.messages_from_anchors(self.message_anchors.iter(), cx)
2832 }
2833
2834 pub fn messages_from_iters<'a>(
2835 buffer: &'a Buffer,
2836 metadata: &'a HashMap<MessageId, MessageMetadata>,
2837 messages: impl Iterator<Item = (usize, &'a MessageAnchor)> + 'a,
2838 ) -> impl 'a + Iterator<Item = Message> {
2839 let mut messages = messages.peekable();
2840
2841 iter::from_fn(move || {
2842 if let Some((start_ix, message_anchor)) = messages.next() {
2843 let metadata = metadata.get(&message_anchor.id)?;
2844
2845 let message_start = message_anchor.start.to_offset(buffer);
2846 let mut message_end = None;
2847 let mut end_ix = start_ix;
2848 while let Some((_, next_message)) = messages.peek() {
2849 if next_message.start.is_valid(buffer) {
2850 message_end = Some(next_message.start);
2851 break;
2852 } else {
2853 end_ix += 1;
2854 messages.next();
2855 }
2856 }
2857 let message_end_anchor = message_end.unwrap_or(language::Anchor::MAX);
2858 let message_end = message_end_anchor.to_offset(buffer);
2859
2860 return Some(Message {
2861 index_range: start_ix..end_ix,
2862 offset_range: message_start..message_end,
2863 anchor_range: message_anchor.start..message_end_anchor,
2864 id: message_anchor.id,
2865 role: metadata.role,
2866 status: metadata.status.clone(),
2867 cache: metadata.cache.clone(),
2868 });
2869 }
2870 None
2871 })
2872 }
2873
2874 pub fn save(
2875 &mut self,
2876 debounce: Option<Duration>,
2877 fs: Arc<dyn Fs>,
2878 cx: &mut Context<AssistantContext>,
2879 ) {
2880 if self.replica_id() != ReplicaId::default() {
2881 // Prevent saving a remote context for now.
2882 return;
2883 }
2884
2885 self.pending_save = cx.spawn(async move |this, cx| {
2886 if let Some(debounce) = debounce {
2887 cx.background_executor().timer(debounce).await;
2888 }
2889
2890 let (old_path, summary) = this.read_with(cx, |this, _| {
2891 let path = this.path.clone();
2892 let summary = if let Some(summary) = this.summary.content() {
2893 if summary.done {
2894 Some(summary.text.clone())
2895 } else {
2896 None
2897 }
2898 } else {
2899 None
2900 };
2901 (path, summary)
2902 })?;
2903
2904 if let Some(summary) = summary {
2905 let context = this.read_with(cx, |this, cx| this.serialize(cx))?;
2906 let mut discriminant = 1;
2907 let mut new_path;
2908 loop {
2909 new_path = contexts_dir().join(&format!(
2910 "{} - {}.zed.json",
2911 summary.trim(),
2912 discriminant
2913 ));
2914 if fs.is_file(&new_path).await {
2915 discriminant += 1;
2916 } else {
2917 break;
2918 }
2919 }
2920
2921 fs.create_dir(contexts_dir().as_ref()).await?;
2922
2923 // rename before write ensures that only one file exists
2924 if let Some(old_path) = old_path.as_ref()
2925 && new_path.as_path() != old_path.as_ref()
2926 {
2927 fs.rename(
2928 old_path,
2929 &new_path,
2930 RenameOptions {
2931 overwrite: true,
2932 ignore_if_exists: true,
2933 },
2934 )
2935 .await?;
2936 }
2937
2938 // update path before write in case it fails
2939 this.update(cx, {
2940 let new_path: Arc<Path> = new_path.clone().into();
2941 move |this, cx| {
2942 this.path = Some(new_path.clone());
2943 cx.emit(ContextEvent::PathChanged { old_path, new_path });
2944 }
2945 })
2946 .ok();
2947
2948 fs.atomic_write(new_path, serde_json::to_string(&context).unwrap())
2949 .await?;
2950 }
2951
2952 Ok(())
2953 });
2954 }
2955
2956 pub fn set_custom_summary(&mut self, custom_summary: String, cx: &mut Context<Self>) {
2957 let timestamp = self.next_timestamp();
2958 let summary = self.summary.content_or_set_empty();
2959 summary.timestamp = timestamp;
2960 summary.done = true;
2961 summary.text = custom_summary;
2962 cx.emit(ContextEvent::SummaryChanged);
2963 }
2964
2965 fn update_model_request_usage(&self, amount: u32, limit: UsageLimit, cx: &mut App) {
2966 let Some(project) = &self.project else {
2967 return;
2968 };
2969 project.read(cx).user_store().update(cx, |user_store, cx| {
2970 user_store.update_model_request_usage(
2971 ModelRequestUsage(RequestUsage {
2972 amount: amount as i32,
2973 limit,
2974 }),
2975 cx,
2976 )
2977 });
2978 }
2979}
2980
2981#[derive(Debug, Default)]
2982pub struct ContextVersion {
2983 context: clock::Global,
2984 buffer: clock::Global,
2985}
2986
2987impl ContextVersion {
2988 pub fn from_proto(proto: &proto::ContextVersion) -> Self {
2989 Self {
2990 context: language::proto::deserialize_version(&proto.context_version),
2991 buffer: language::proto::deserialize_version(&proto.buffer_version),
2992 }
2993 }
2994
2995 pub fn to_proto(&self, context_id: ContextId) -> proto::ContextVersion {
2996 proto::ContextVersion {
2997 context_id: context_id.to_proto(),
2998 context_version: language::proto::serialize_version(&self.context),
2999 buffer_version: language::proto::serialize_version(&self.buffer),
3000 }
3001 }
3002}
3003
3004#[derive(Debug, Clone)]
3005pub struct ParsedSlashCommand {
3006 pub name: String,
3007 pub arguments: SmallVec<[String; 3]>,
3008 pub status: PendingSlashCommandStatus,
3009 pub source_range: Range<language::Anchor>,
3010}
3011
3012#[derive(Debug)]
3013pub struct InvokedSlashCommand {
3014 pub name: SharedString,
3015 pub range: Range<language::Anchor>,
3016 pub run_commands_in_ranges: Vec<Range<language::Anchor>>,
3017 pub status: InvokedSlashCommandStatus,
3018 pub transaction: Option<language::TransactionId>,
3019 timestamp: clock::Lamport,
3020}
3021
3022#[derive(Debug)]
3023pub enum InvokedSlashCommandStatus {
3024 Running(Task<()>),
3025 Error(SharedString),
3026 Finished,
3027}
3028
3029#[derive(Debug, Clone)]
3030pub enum PendingSlashCommandStatus {
3031 Idle,
3032 Running { _task: Shared<Task<()>> },
3033 Error(String),
3034}
3035
3036#[derive(Debug, Clone)]
3037pub struct PendingToolUse {
3038 pub id: LanguageModelToolUseId,
3039 pub name: String,
3040 pub input: serde_json::Value,
3041 pub status: PendingToolUseStatus,
3042 pub source_range: Range<language::Anchor>,
3043}
3044
3045#[derive(Debug, Clone)]
3046pub enum PendingToolUseStatus {
3047 Idle,
3048 Running { _task: Shared<Task<()>> },
3049 Error(String),
3050}
3051
3052impl PendingToolUseStatus {
3053 pub fn is_idle(&self) -> bool {
3054 matches!(self, PendingToolUseStatus::Idle)
3055 }
3056}
3057
3058#[derive(Serialize, Deserialize)]
3059pub struct SavedMessage {
3060 pub id: MessageId,
3061 pub start: usize,
3062 pub metadata: MessageMetadata,
3063}
3064
3065#[derive(Serialize, Deserialize)]
3066pub struct SavedContext {
3067 pub id: Option<ContextId>,
3068 pub zed: String,
3069 pub version: String,
3070 pub text: String,
3071 pub messages: Vec<SavedMessage>,
3072 pub summary: String,
3073 pub slash_command_output_sections:
3074 Vec<assistant_slash_command::SlashCommandOutputSection<usize>>,
3075 #[serde(default)]
3076 pub thought_process_output_sections: Vec<ThoughtProcessOutputSection<usize>>,
3077}
3078
3079impl SavedContext {
3080 pub const VERSION: &'static str = "0.4.0";
3081
3082 pub fn from_json(json: &str) -> Result<Self> {
3083 let saved_context_json = serde_json::from_str::<serde_json::Value>(json)?;
3084 match saved_context_json
3085 .get("version")
3086 .context("version not found")?
3087 {
3088 serde_json::Value::String(version) => match version.as_str() {
3089 SavedContext::VERSION => {
3090 Ok(serde_json::from_value::<SavedContext>(saved_context_json)?)
3091 }
3092 SavedContextV0_3_0::VERSION => {
3093 let saved_context =
3094 serde_json::from_value::<SavedContextV0_3_0>(saved_context_json)?;
3095 Ok(saved_context.upgrade())
3096 }
3097 SavedContextV0_2_0::VERSION => {
3098 let saved_context =
3099 serde_json::from_value::<SavedContextV0_2_0>(saved_context_json)?;
3100 Ok(saved_context.upgrade())
3101 }
3102 SavedContextV0_1_0::VERSION => {
3103 let saved_context =
3104 serde_json::from_value::<SavedContextV0_1_0>(saved_context_json)?;
3105 Ok(saved_context.upgrade())
3106 }
3107 _ => anyhow::bail!("unrecognized saved context version: {version:?}"),
3108 },
3109 _ => anyhow::bail!("version not found on saved context"),
3110 }
3111 }
3112
3113 fn into_ops(
3114 self,
3115 buffer: &Entity<Buffer>,
3116 cx: &mut Context<AssistantContext>,
3117 ) -> Vec<ContextOperation> {
3118 let mut operations = Vec::new();
3119 let mut version = clock::Global::new();
3120 let mut next_timestamp = clock::Lamport::new(ReplicaId::default());
3121
3122 let mut first_message_metadata = None;
3123 for message in self.messages {
3124 if message.id == MessageId(clock::Lamport::default()) {
3125 first_message_metadata = Some(message.metadata);
3126 } else {
3127 operations.push(ContextOperation::InsertMessage {
3128 anchor: MessageAnchor {
3129 id: message.id,
3130 start: buffer.read(cx).anchor_before(message.start),
3131 },
3132 metadata: MessageMetadata {
3133 role: message.metadata.role,
3134 status: message.metadata.status,
3135 timestamp: message.metadata.timestamp,
3136 cache: None,
3137 },
3138 version: version.clone(),
3139 });
3140 version.observe(message.id.0);
3141 next_timestamp.observe(message.id.0);
3142 }
3143 }
3144
3145 if let Some(metadata) = first_message_metadata {
3146 let timestamp = next_timestamp.tick();
3147 operations.push(ContextOperation::UpdateMessage {
3148 message_id: MessageId(clock::Lamport::default()),
3149 metadata: MessageMetadata {
3150 role: metadata.role,
3151 status: metadata.status,
3152 timestamp,
3153 cache: None,
3154 },
3155 version: version.clone(),
3156 });
3157 version.observe(timestamp);
3158 }
3159
3160 let buffer = buffer.read(cx);
3161 for section in self.slash_command_output_sections {
3162 let timestamp = next_timestamp.tick();
3163 operations.push(ContextOperation::SlashCommandOutputSectionAdded {
3164 timestamp,
3165 section: SlashCommandOutputSection {
3166 range: buffer.anchor_after(section.range.start)
3167 ..buffer.anchor_before(section.range.end),
3168 icon: section.icon,
3169 label: section.label,
3170 metadata: section.metadata,
3171 },
3172 version: version.clone(),
3173 });
3174
3175 version.observe(timestamp);
3176 }
3177
3178 for section in self.thought_process_output_sections {
3179 let timestamp = next_timestamp.tick();
3180 operations.push(ContextOperation::ThoughtProcessOutputSectionAdded {
3181 timestamp,
3182 section: ThoughtProcessOutputSection {
3183 range: buffer.anchor_after(section.range.start)
3184 ..buffer.anchor_before(section.range.end),
3185 },
3186 version: version.clone(),
3187 });
3188
3189 version.observe(timestamp);
3190 }
3191
3192 let timestamp = next_timestamp.tick();
3193 operations.push(ContextOperation::UpdateSummary {
3194 summary: ContextSummaryContent {
3195 text: self.summary,
3196 done: true,
3197 timestamp,
3198 },
3199 version: version.clone(),
3200 });
3201 version.observe(timestamp);
3202
3203 operations
3204 }
3205}
3206
3207#[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
3208struct SavedMessageIdPreV0_4_0(usize);
3209
3210#[derive(Serialize, Deserialize)]
3211struct SavedMessagePreV0_4_0 {
3212 id: SavedMessageIdPreV0_4_0,
3213 start: usize,
3214}
3215
3216#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
3217struct SavedMessageMetadataPreV0_4_0 {
3218 role: Role,
3219 status: MessageStatus,
3220}
3221
3222#[derive(Serialize, Deserialize)]
3223struct SavedContextV0_3_0 {
3224 id: Option<ContextId>,
3225 zed: String,
3226 version: String,
3227 text: String,
3228 messages: Vec<SavedMessagePreV0_4_0>,
3229 message_metadata: HashMap<SavedMessageIdPreV0_4_0, SavedMessageMetadataPreV0_4_0>,
3230 summary: String,
3231 slash_command_output_sections: Vec<assistant_slash_command::SlashCommandOutputSection<usize>>,
3232}
3233
3234impl SavedContextV0_3_0 {
3235 const VERSION: &'static str = "0.3.0";
3236
3237 fn upgrade(self) -> SavedContext {
3238 SavedContext {
3239 id: self.id,
3240 zed: self.zed,
3241 version: SavedContext::VERSION.into(),
3242 text: self.text,
3243 messages: self
3244 .messages
3245 .into_iter()
3246 .filter_map(|message| {
3247 let metadata = self.message_metadata.get(&message.id)?;
3248 let timestamp = clock::Lamport {
3249 replica_id: ReplicaId::default(),
3250 value: message.id.0 as u32,
3251 };
3252 Some(SavedMessage {
3253 id: MessageId(timestamp),
3254 start: message.start,
3255 metadata: MessageMetadata {
3256 role: metadata.role,
3257 status: metadata.status.clone(),
3258 timestamp,
3259 cache: None,
3260 },
3261 })
3262 })
3263 .collect(),
3264 summary: self.summary,
3265 slash_command_output_sections: self.slash_command_output_sections,
3266 thought_process_output_sections: Vec::new(),
3267 }
3268 }
3269}
3270
3271#[derive(Serialize, Deserialize)]
3272struct SavedContextV0_2_0 {
3273 id: Option<ContextId>,
3274 zed: String,
3275 version: String,
3276 text: String,
3277 messages: Vec<SavedMessagePreV0_4_0>,
3278 message_metadata: HashMap<SavedMessageIdPreV0_4_0, SavedMessageMetadataPreV0_4_0>,
3279 summary: String,
3280}
3281
3282impl SavedContextV0_2_0 {
3283 const VERSION: &'static str = "0.2.0";
3284
3285 fn upgrade(self) -> SavedContext {
3286 SavedContextV0_3_0 {
3287 id: self.id,
3288 zed: self.zed,
3289 version: SavedContextV0_3_0::VERSION.to_string(),
3290 text: self.text,
3291 messages: self.messages,
3292 message_metadata: self.message_metadata,
3293 summary: self.summary,
3294 slash_command_output_sections: Vec::new(),
3295 }
3296 .upgrade()
3297 }
3298}
3299
3300#[derive(Serialize, Deserialize)]
3301struct SavedContextV0_1_0 {
3302 id: Option<ContextId>,
3303 zed: String,
3304 version: String,
3305 text: String,
3306 messages: Vec<SavedMessagePreV0_4_0>,
3307 message_metadata: HashMap<SavedMessageIdPreV0_4_0, SavedMessageMetadataPreV0_4_0>,
3308 summary: String,
3309 api_url: Option<String>,
3310 model: OpenAiModel,
3311}
3312
3313impl SavedContextV0_1_0 {
3314 const VERSION: &'static str = "0.1.0";
3315
3316 fn upgrade(self) -> SavedContext {
3317 SavedContextV0_2_0 {
3318 id: self.id,
3319 zed: self.zed,
3320 version: SavedContextV0_2_0::VERSION.to_string(),
3321 text: self.text,
3322 messages: self.messages,
3323 message_metadata: self.message_metadata,
3324 summary: self.summary,
3325 }
3326 .upgrade()
3327 }
3328}
3329
3330#[derive(Debug, Clone)]
3331pub struct SavedContextMetadata {
3332 pub title: SharedString,
3333 pub path: Arc<Path>,
3334 pub mtime: chrono::DateTime<chrono::Local>,
3335}