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