1#[cfg(test)]
2mod context_tests;
3
4use crate::patch::{AssistantEdit, AssistantPatch, AssistantPatchStatus};
5use anyhow::{anyhow, Context as _, Result};
6use assistant_slash_command::{
7 SlashCommandContent, SlashCommandEvent, SlashCommandLine, SlashCommandOutputSection,
8 SlashCommandResult, SlashCommandWorkingSet,
9};
10use assistant_slash_commands::FileCommandMetadata;
11use client::{self, proto, telemetry::Telemetry};
12use clock::ReplicaId;
13use collections::{HashMap, HashSet};
14use fs::{Fs, RemoveOptions};
15use futures::{future::Shared, FutureExt, StreamExt};
16use gpui::{
17 App, AppContext as _, Context, Entity, EventEmitter, RenderImage, SharedString, Subscription,
18 Task,
19};
20use language::{AnchorRangeExt, Bias, Buffer, LanguageRegistry, OffsetRangeExt, Point, ToOffset};
21use language_model::{
22 LanguageModel, LanguageModelCacheConfiguration, LanguageModelCompletionEvent,
23 LanguageModelImage, LanguageModelRegistry, LanguageModelRequest, LanguageModelRequestMessage,
24 LanguageModelToolUseId, MessageContent, Role, StopReason,
25};
26use language_models::{
27 provider::cloud::{MaxMonthlySpendReachedError, PaymentRequiredError},
28 report_assistant_event,
29};
30use open_ai::Model as OpenAiModel;
31use paths::contexts_dir;
32use project::Project;
33use prompt_library::PromptBuilder;
34use serde::{Deserialize, Serialize};
35use smallvec::SmallVec;
36use std::{
37 cmp::{max, Ordering},
38 fmt::Debug,
39 iter, mem,
40 ops::Range,
41 path::{Path, PathBuf},
42 str::FromStr as _,
43 sync::Arc,
44 time::{Duration, Instant},
45};
46use telemetry_events::{AssistantEvent, AssistantKind, AssistantPhase};
47use text::{BufferSnapshot, ToPoint};
48use ui::IconName;
49use util::{post_inc, ResultExt, TryFutureExt};
50use uuid::Uuid;
51
52#[derive(Clone, Eq, PartialEq, Hash, PartialOrd, Ord, Serialize, Deserialize)]
53pub struct ContextId(String);
54
55impl ContextId {
56 pub fn new() -> Self {
57 Self(Uuid::new_v4().to_string())
58 }
59
60 pub fn from_proto(id: String) -> Self {
61 Self(id)
62 }
63
64 pub fn to_proto(&self) -> String {
65 self.0.clone()
66 }
67}
68
69#[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
70pub struct MessageId(pub clock::Lamport);
71
72impl MessageId {
73 pub fn as_u64(self) -> u64 {
74 self.0.as_u64()
75 }
76}
77
78#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
79pub enum MessageStatus {
80 Pending,
81 Done,
82 Error(SharedString),
83 Canceled,
84}
85
86impl MessageStatus {
87 pub fn from_proto(status: proto::ContextMessageStatus) -> MessageStatus {
88 match status.variant {
89 Some(proto::context_message_status::Variant::Pending(_)) => MessageStatus::Pending,
90 Some(proto::context_message_status::Variant::Done(_)) => MessageStatus::Done,
91 Some(proto::context_message_status::Variant::Error(error)) => {
92 MessageStatus::Error(error.message.into())
93 }
94 Some(proto::context_message_status::Variant::Canceled(_)) => MessageStatus::Canceled,
95 None => MessageStatus::Pending,
96 }
97 }
98
99 pub fn to_proto(&self) -> proto::ContextMessageStatus {
100 match self {
101 MessageStatus::Pending => proto::ContextMessageStatus {
102 variant: Some(proto::context_message_status::Variant::Pending(
103 proto::context_message_status::Pending {},
104 )),
105 },
106 MessageStatus::Done => proto::ContextMessageStatus {
107 variant: Some(proto::context_message_status::Variant::Done(
108 proto::context_message_status::Done {},
109 )),
110 },
111 MessageStatus::Error(message) => proto::ContextMessageStatus {
112 variant: Some(proto::context_message_status::Variant::Error(
113 proto::context_message_status::Error {
114 message: message.to_string(),
115 },
116 )),
117 },
118 MessageStatus::Canceled => proto::ContextMessageStatus {
119 variant: Some(proto::context_message_status::Variant::Canceled(
120 proto::context_message_status::Canceled {},
121 )),
122 },
123 }
124 }
125}
126
127#[derive(Clone, Copy, Debug, PartialEq, Eq)]
128pub enum RequestType {
129 /// Request a normal chat response from the model.
130 Chat,
131 /// Add a preamble to the message, which tells the model to return a structured response that suggests edits.
132 SuggestEdits,
133}
134
135#[derive(Clone, Debug)]
136pub enum ContextOperation {
137 InsertMessage {
138 anchor: MessageAnchor,
139 metadata: MessageMetadata,
140 version: clock::Global,
141 },
142 UpdateMessage {
143 message_id: MessageId,
144 metadata: MessageMetadata,
145 version: clock::Global,
146 },
147 UpdateSummary {
148 summary: ContextSummary,
149 version: clock::Global,
150 },
151 SlashCommandStarted {
152 id: InvokedSlashCommandId,
153 output_range: Range<language::Anchor>,
154 name: String,
155 version: clock::Global,
156 },
157 SlashCommandFinished {
158 id: InvokedSlashCommandId,
159 timestamp: clock::Lamport,
160 error_message: Option<String>,
161 version: clock::Global,
162 },
163 SlashCommandOutputSectionAdded {
164 timestamp: clock::Lamport,
165 section: SlashCommandOutputSection<language::Anchor>,
166 version: clock::Global,
167 },
168 BufferOperation(language::Operation),
169}
170
171impl ContextOperation {
172 pub fn from_proto(op: proto::ContextOperation) -> Result<Self> {
173 match op.variant.context("invalid variant")? {
174 proto::context_operation::Variant::InsertMessage(insert) => {
175 let message = insert.message.context("invalid message")?;
176 let id = MessageId(language::proto::deserialize_timestamp(
177 message.id.context("invalid id")?,
178 ));
179 Ok(Self::InsertMessage {
180 anchor: MessageAnchor {
181 id,
182 start: language::proto::deserialize_anchor(
183 message.start.context("invalid anchor")?,
184 )
185 .context("invalid anchor")?,
186 },
187 metadata: MessageMetadata {
188 role: Role::from_proto(message.role),
189 status: MessageStatus::from_proto(
190 message.status.context("invalid status")?,
191 ),
192 timestamp: id.0,
193 cache: None,
194 },
195 version: language::proto::deserialize_version(&insert.version),
196 })
197 }
198 proto::context_operation::Variant::UpdateMessage(update) => Ok(Self::UpdateMessage {
199 message_id: MessageId(language::proto::deserialize_timestamp(
200 update.message_id.context("invalid message id")?,
201 )),
202 metadata: MessageMetadata {
203 role: Role::from_proto(update.role),
204 status: MessageStatus::from_proto(update.status.context("invalid status")?),
205 timestamp: language::proto::deserialize_timestamp(
206 update.timestamp.context("invalid timestamp")?,
207 ),
208 cache: None,
209 },
210 version: language::proto::deserialize_version(&update.version),
211 }),
212 proto::context_operation::Variant::UpdateSummary(update) => Ok(Self::UpdateSummary {
213 summary: ContextSummary {
214 text: update.summary,
215 done: update.done,
216 timestamp: language::proto::deserialize_timestamp(
217 update.timestamp.context("invalid timestamp")?,
218 ),
219 },
220 version: language::proto::deserialize_version(&update.version),
221 }),
222 proto::context_operation::Variant::SlashCommandStarted(message) => {
223 Ok(Self::SlashCommandStarted {
224 id: InvokedSlashCommandId(language::proto::deserialize_timestamp(
225 message.id.context("invalid id")?,
226 )),
227 output_range: language::proto::deserialize_anchor_range(
228 message.output_range.context("invalid range")?,
229 )?,
230 name: message.name,
231 version: language::proto::deserialize_version(&message.version),
232 })
233 }
234 proto::context_operation::Variant::SlashCommandOutputSectionAdded(message) => {
235 let section = message.section.context("missing section")?;
236 Ok(Self::SlashCommandOutputSectionAdded {
237 timestamp: language::proto::deserialize_timestamp(
238 message.timestamp.context("missing timestamp")?,
239 ),
240 section: SlashCommandOutputSection {
241 range: language::proto::deserialize_anchor_range(
242 section.range.context("invalid range")?,
243 )?,
244 icon: section.icon_name.parse()?,
245 label: section.label.into(),
246 metadata: section
247 .metadata
248 .and_then(|metadata| serde_json::from_str(&metadata).log_err()),
249 },
250 version: language::proto::deserialize_version(&message.version),
251 })
252 }
253 proto::context_operation::Variant::SlashCommandCompleted(message) => {
254 Ok(Self::SlashCommandFinished {
255 id: InvokedSlashCommandId(language::proto::deserialize_timestamp(
256 message.id.context("invalid id")?,
257 )),
258 timestamp: language::proto::deserialize_timestamp(
259 message.timestamp.context("missing timestamp")?,
260 ),
261 error_message: message.error_message,
262 version: language::proto::deserialize_version(&message.version),
263 })
264 }
265 proto::context_operation::Variant::BufferOperation(op) => Ok(Self::BufferOperation(
266 language::proto::deserialize_operation(
267 op.operation.context("invalid buffer operation")?,
268 )?,
269 )),
270 }
271 }
272
273 pub fn to_proto(&self) -> proto::ContextOperation {
274 match self {
275 Self::InsertMessage {
276 anchor,
277 metadata,
278 version,
279 } => proto::ContextOperation {
280 variant: Some(proto::context_operation::Variant::InsertMessage(
281 proto::context_operation::InsertMessage {
282 message: Some(proto::ContextMessage {
283 id: Some(language::proto::serialize_timestamp(anchor.id.0)),
284 start: Some(language::proto::serialize_anchor(&anchor.start)),
285 role: metadata.role.to_proto() as i32,
286 status: Some(metadata.status.to_proto()),
287 }),
288 version: language::proto::serialize_version(version),
289 },
290 )),
291 },
292 Self::UpdateMessage {
293 message_id,
294 metadata,
295 version,
296 } => proto::ContextOperation {
297 variant: Some(proto::context_operation::Variant::UpdateMessage(
298 proto::context_operation::UpdateMessage {
299 message_id: Some(language::proto::serialize_timestamp(message_id.0)),
300 role: metadata.role.to_proto() as i32,
301 status: Some(metadata.status.to_proto()),
302 timestamp: Some(language::proto::serialize_timestamp(metadata.timestamp)),
303 version: language::proto::serialize_version(version),
304 },
305 )),
306 },
307 Self::UpdateSummary { summary, version } => proto::ContextOperation {
308 variant: Some(proto::context_operation::Variant::UpdateSummary(
309 proto::context_operation::UpdateSummary {
310 summary: summary.text.clone(),
311 done: summary.done,
312 timestamp: Some(language::proto::serialize_timestamp(summary.timestamp)),
313 version: language::proto::serialize_version(version),
314 },
315 )),
316 },
317 Self::SlashCommandStarted {
318 id,
319 output_range,
320 name,
321 version,
322 } => proto::ContextOperation {
323 variant: Some(proto::context_operation::Variant::SlashCommandStarted(
324 proto::context_operation::SlashCommandStarted {
325 id: Some(language::proto::serialize_timestamp(id.0)),
326 output_range: Some(language::proto::serialize_anchor_range(
327 output_range.clone(),
328 )),
329 name: name.clone(),
330 version: language::proto::serialize_version(version),
331 },
332 )),
333 },
334 Self::SlashCommandOutputSectionAdded {
335 timestamp,
336 section,
337 version,
338 } => proto::ContextOperation {
339 variant: Some(
340 proto::context_operation::Variant::SlashCommandOutputSectionAdded(
341 proto::context_operation::SlashCommandOutputSectionAdded {
342 timestamp: Some(language::proto::serialize_timestamp(*timestamp)),
343 section: Some({
344 let icon_name: &'static str = section.icon.into();
345 proto::SlashCommandOutputSection {
346 range: Some(language::proto::serialize_anchor_range(
347 section.range.clone(),
348 )),
349 icon_name: icon_name.to_string(),
350 label: section.label.to_string(),
351 metadata: section.metadata.as_ref().and_then(|metadata| {
352 serde_json::to_string(metadata).log_err()
353 }),
354 }
355 }),
356 version: language::proto::serialize_version(version),
357 },
358 ),
359 ),
360 },
361 Self::SlashCommandFinished {
362 id,
363 timestamp,
364 error_message,
365 version,
366 } => proto::ContextOperation {
367 variant: Some(proto::context_operation::Variant::SlashCommandCompleted(
368 proto::context_operation::SlashCommandCompleted {
369 id: Some(language::proto::serialize_timestamp(id.0)),
370 timestamp: Some(language::proto::serialize_timestamp(*timestamp)),
371 error_message: error_message.clone(),
372 version: language::proto::serialize_version(version),
373 },
374 )),
375 },
376 Self::BufferOperation(operation) => proto::ContextOperation {
377 variant: Some(proto::context_operation::Variant::BufferOperation(
378 proto::context_operation::BufferOperation {
379 operation: Some(language::proto::serialize_operation(operation)),
380 },
381 )),
382 },
383 }
384 }
385
386 fn timestamp(&self) -> clock::Lamport {
387 match self {
388 Self::InsertMessage { anchor, .. } => anchor.id.0,
389 Self::UpdateMessage { metadata, .. } => metadata.timestamp,
390 Self::UpdateSummary { summary, .. } => summary.timestamp,
391 Self::SlashCommandStarted { id, .. } => id.0,
392 Self::SlashCommandOutputSectionAdded { timestamp, .. }
393 | Self::SlashCommandFinished { timestamp, .. } => *timestamp,
394 Self::BufferOperation(_) => {
395 panic!("reading the timestamp of a buffer operation is not supported")
396 }
397 }
398 }
399
400 /// Returns the current version of the context operation.
401 pub fn version(&self) -> &clock::Global {
402 match self {
403 Self::InsertMessage { version, .. }
404 | Self::UpdateMessage { version, .. }
405 | Self::UpdateSummary { version, .. }
406 | Self::SlashCommandStarted { version, .. }
407 | Self::SlashCommandOutputSectionAdded { version, .. }
408 | Self::SlashCommandFinished { version, .. } => version,
409 Self::BufferOperation(_) => {
410 panic!("reading the version of a buffer operation is not supported")
411 }
412 }
413 }
414}
415
416#[derive(Debug, Clone)]
417pub enum ContextEvent {
418 ShowAssistError(SharedString),
419 ShowPaymentRequiredError,
420 ShowMaxMonthlySpendReachedError,
421 MessagesEdited,
422 SummaryChanged,
423 StreamedCompletion,
424 PatchesUpdated {
425 removed: Vec<Range<language::Anchor>>,
426 updated: Vec<Range<language::Anchor>>,
427 },
428 InvokedSlashCommandChanged {
429 command_id: InvokedSlashCommandId,
430 },
431 ParsedSlashCommandsUpdated {
432 removed: Vec<Range<language::Anchor>>,
433 updated: Vec<ParsedSlashCommand>,
434 },
435 SlashCommandOutputSectionAdded {
436 section: SlashCommandOutputSection<language::Anchor>,
437 },
438 Operation(ContextOperation),
439}
440
441#[derive(Clone, Default, Debug)]
442pub struct ContextSummary {
443 pub text: String,
444 done: bool,
445 timestamp: clock::Lamport,
446}
447
448#[derive(Clone, Debug, Eq, PartialEq)]
449pub struct MessageAnchor {
450 pub id: MessageId,
451 pub start: language::Anchor,
452}
453
454#[derive(Clone, Debug, Eq, PartialEq)]
455pub enum CacheStatus {
456 Pending,
457 Cached,
458}
459
460#[derive(Clone, Debug, Eq, PartialEq)]
461pub struct MessageCacheMetadata {
462 pub is_anchor: bool,
463 pub is_final_anchor: bool,
464 pub status: CacheStatus,
465 pub cached_at: clock::Global,
466}
467
468#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
469pub struct MessageMetadata {
470 pub role: Role,
471 pub status: MessageStatus,
472 pub timestamp: clock::Lamport,
473 #[serde(skip)]
474 pub cache: Option<MessageCacheMetadata>,
475}
476
477impl From<&Message> for MessageMetadata {
478 fn from(message: &Message) -> Self {
479 Self {
480 role: message.role,
481 status: message.status.clone(),
482 timestamp: message.id.0,
483 cache: message.cache.clone(),
484 }
485 }
486}
487
488impl MessageMetadata {
489 pub fn is_cache_valid(&self, buffer: &BufferSnapshot, range: &Range<usize>) -> bool {
490 let result = match &self.cache {
491 Some(MessageCacheMetadata { cached_at, .. }) => !buffer.has_edits_since_in_range(
492 &cached_at,
493 Range {
494 start: buffer.anchor_at(range.start, Bias::Right),
495 end: buffer.anchor_at(range.end, Bias::Left),
496 },
497 ),
498 _ => false,
499 };
500 result
501 }
502}
503
504#[derive(Clone, Debug)]
505pub struct Message {
506 pub offset_range: Range<usize>,
507 pub index_range: Range<usize>,
508 pub anchor_range: Range<language::Anchor>,
509 pub id: MessageId,
510 pub role: Role,
511 pub status: MessageStatus,
512 pub cache: Option<MessageCacheMetadata>,
513}
514
515#[derive(Debug, Clone)]
516pub enum Content {
517 Image {
518 anchor: language::Anchor,
519 image_id: u64,
520 render_image: Arc<RenderImage>,
521 image: Shared<Task<Option<LanguageModelImage>>>,
522 },
523}
524
525impl Content {
526 fn range(&self) -> Range<language::Anchor> {
527 match self {
528 Self::Image { anchor, .. } => *anchor..*anchor,
529 }
530 }
531
532 fn cmp(&self, other: &Self, buffer: &BufferSnapshot) -> Ordering {
533 let self_range = self.range();
534 let other_range = other.range();
535 if self_range.end.cmp(&other_range.start, buffer).is_lt() {
536 Ordering::Less
537 } else if self_range.start.cmp(&other_range.end, buffer).is_gt() {
538 Ordering::Greater
539 } else {
540 Ordering::Equal
541 }
542 }
543}
544
545struct PendingCompletion {
546 id: usize,
547 assistant_message_id: MessageId,
548 _task: Task<()>,
549}
550
551#[derive(Copy, Clone, Debug, Hash, Eq, PartialEq)]
552pub struct InvokedSlashCommandId(clock::Lamport);
553
554#[derive(Clone, Debug)]
555pub struct XmlTag {
556 pub kind: XmlTagKind,
557 pub range: Range<text::Anchor>,
558 pub is_open_tag: bool,
559}
560
561#[derive(Copy, Clone, Debug, strum::EnumString, PartialEq, Eq, strum::AsRefStr)]
562#[strum(serialize_all = "snake_case")]
563pub enum XmlTagKind {
564 Patch,
565 Title,
566 Edit,
567 Path,
568 Description,
569 OldText,
570 NewText,
571 Operation,
572}
573
574pub struct AssistantContext {
575 id: ContextId,
576 timestamp: clock::Lamport,
577 version: clock::Global,
578 pending_ops: Vec<ContextOperation>,
579 operations: Vec<ContextOperation>,
580 buffer: Entity<Buffer>,
581 parsed_slash_commands: Vec<ParsedSlashCommand>,
582 invoked_slash_commands: HashMap<InvokedSlashCommandId, InvokedSlashCommand>,
583 edits_since_last_parse: language::Subscription,
584 slash_commands: Arc<SlashCommandWorkingSet>,
585 slash_command_output_sections: Vec<SlashCommandOutputSection<language::Anchor>>,
586 message_anchors: Vec<MessageAnchor>,
587 contents: Vec<Content>,
588 messages_metadata: HashMap<MessageId, MessageMetadata>,
589 summary: Option<ContextSummary>,
590 pending_summary: Task<Option<()>>,
591 completion_count: usize,
592 pending_completions: Vec<PendingCompletion>,
593 token_count: Option<usize>,
594 pending_token_count: Task<Option<()>>,
595 pending_save: Task<Result<()>>,
596 pending_cache_warming_task: Task<Option<()>>,
597 path: Option<PathBuf>,
598 _subscriptions: Vec<Subscription>,
599 telemetry: Option<Arc<Telemetry>>,
600 language_registry: Arc<LanguageRegistry>,
601 patches: Vec<AssistantPatch>,
602 xml_tags: Vec<XmlTag>,
603 project: Option<Entity<Project>>,
604 prompt_builder: Arc<PromptBuilder>,
605}
606
607trait ContextAnnotation {
608 fn range(&self) -> &Range<language::Anchor>;
609}
610
611impl ContextAnnotation for ParsedSlashCommand {
612 fn range(&self) -> &Range<language::Anchor> {
613 &self.source_range
614 }
615}
616
617impl ContextAnnotation for AssistantPatch {
618 fn range(&self) -> &Range<language::Anchor> {
619 &self.range
620 }
621}
622
623impl ContextAnnotation for XmlTag {
624 fn range(&self) -> &Range<language::Anchor> {
625 &self.range
626 }
627}
628
629impl EventEmitter<ContextEvent> for AssistantContext {}
630
631impl AssistantContext {
632 pub fn local(
633 language_registry: Arc<LanguageRegistry>,
634 project: Option<Entity<Project>>,
635 telemetry: Option<Arc<Telemetry>>,
636 prompt_builder: Arc<PromptBuilder>,
637 slash_commands: Arc<SlashCommandWorkingSet>,
638 cx: &mut Context<Self>,
639 ) -> Self {
640 Self::new(
641 ContextId::new(),
642 ReplicaId::default(),
643 language::Capability::ReadWrite,
644 language_registry,
645 prompt_builder,
646 slash_commands,
647 project,
648 telemetry,
649 cx,
650 )
651 }
652
653 pub fn new(
654 id: ContextId,
655 replica_id: ReplicaId,
656 capability: language::Capability,
657 language_registry: Arc<LanguageRegistry>,
658 prompt_builder: Arc<PromptBuilder>,
659 slash_commands: Arc<SlashCommandWorkingSet>,
660 project: Option<Entity<Project>>,
661 telemetry: Option<Arc<Telemetry>>,
662 cx: &mut Context<Self>,
663 ) -> Self {
664 let buffer = cx.new(|_cx| {
665 let buffer = Buffer::remote(
666 language::BufferId::new(1).unwrap(),
667 replica_id,
668 capability,
669 "",
670 );
671 buffer.set_language_registry(language_registry.clone());
672 buffer
673 });
674 let edits_since_last_slash_command_parse =
675 buffer.update(cx, |buffer, _| buffer.subscribe());
676 let mut this = Self {
677 id,
678 timestamp: clock::Lamport::new(replica_id),
679 version: clock::Global::new(),
680 pending_ops: Vec::new(),
681 operations: Vec::new(),
682 message_anchors: Default::default(),
683 contents: Default::default(),
684 messages_metadata: Default::default(),
685 parsed_slash_commands: Vec::new(),
686 invoked_slash_commands: HashMap::default(),
687 slash_command_output_sections: Vec::new(),
688 edits_since_last_parse: edits_since_last_slash_command_parse,
689 summary: None,
690 pending_summary: Task::ready(None),
691 completion_count: Default::default(),
692 pending_completions: Default::default(),
693 token_count: None,
694 pending_token_count: Task::ready(None),
695 pending_cache_warming_task: Task::ready(None),
696 _subscriptions: vec![cx.subscribe(&buffer, Self::handle_buffer_event)],
697 pending_save: Task::ready(Ok(())),
698 path: None,
699 buffer,
700 telemetry,
701 project,
702 language_registry,
703 slash_commands,
704 patches: Vec::new(),
705 xml_tags: Vec::new(),
706 prompt_builder,
707 };
708
709 let first_message_id = MessageId(clock::Lamport {
710 replica_id: 0,
711 value: 0,
712 });
713 let message = MessageAnchor {
714 id: first_message_id,
715 start: language::Anchor::MIN,
716 };
717 this.messages_metadata.insert(
718 first_message_id,
719 MessageMetadata {
720 role: Role::User,
721 status: MessageStatus::Done,
722 timestamp: first_message_id.0,
723 cache: None,
724 },
725 );
726 this.message_anchors.push(message);
727
728 this.set_language(cx);
729 this.count_remaining_tokens(cx);
730 this
731 }
732
733 pub(crate) fn serialize(&self, cx: &App) -> SavedContext {
734 let buffer = self.buffer.read(cx);
735 SavedContext {
736 id: Some(self.id.clone()),
737 zed: "context".into(),
738 version: SavedContext::VERSION.into(),
739 text: buffer.text(),
740 messages: self
741 .messages(cx)
742 .map(|message| SavedMessage {
743 id: message.id,
744 start: message.offset_range.start,
745 metadata: self.messages_metadata[&message.id].clone(),
746 })
747 .collect(),
748 summary: self
749 .summary
750 .as_ref()
751 .map(|summary| summary.text.clone())
752 .unwrap_or_default(),
753 slash_command_output_sections: self
754 .slash_command_output_sections
755 .iter()
756 .filter_map(|section| {
757 if section.is_valid(buffer) {
758 let range = section.range.to_offset(buffer);
759 Some(assistant_slash_command::SlashCommandOutputSection {
760 range,
761 icon: section.icon,
762 label: section.label.clone(),
763 metadata: section.metadata.clone(),
764 })
765 } else {
766 None
767 }
768 })
769 .collect(),
770 }
771 }
772
773 pub fn deserialize(
774 saved_context: SavedContext,
775 path: PathBuf,
776 language_registry: Arc<LanguageRegistry>,
777 prompt_builder: Arc<PromptBuilder>,
778 slash_commands: Arc<SlashCommandWorkingSet>,
779 project: Option<Entity<Project>>,
780 telemetry: Option<Arc<Telemetry>>,
781 cx: &mut Context<Self>,
782 ) -> Self {
783 let id = saved_context.id.clone().unwrap_or_else(ContextId::new);
784 let mut this = Self::new(
785 id,
786 ReplicaId::default(),
787 language::Capability::ReadWrite,
788 language_registry,
789 prompt_builder,
790 slash_commands,
791 project,
792 telemetry,
793 cx,
794 );
795 this.path = Some(path);
796 this.buffer.update(cx, |buffer, cx| {
797 buffer.set_text(saved_context.text.as_str(), cx)
798 });
799 let operations = saved_context.into_ops(&this.buffer, cx);
800 this.apply_ops(operations, cx);
801 this
802 }
803
804 pub fn id(&self) -> &ContextId {
805 &self.id
806 }
807
808 pub fn replica_id(&self) -> ReplicaId {
809 self.timestamp.replica_id
810 }
811
812 pub fn version(&self, cx: &App) -> ContextVersion {
813 ContextVersion {
814 context: self.version.clone(),
815 buffer: self.buffer.read(cx).version(),
816 }
817 }
818
819 pub fn slash_commands(&self) -> &Arc<SlashCommandWorkingSet> {
820 &self.slash_commands
821 }
822
823 pub fn set_capability(&mut self, capability: language::Capability, cx: &mut Context<Self>) {
824 self.buffer
825 .update(cx, |buffer, cx| buffer.set_capability(capability, cx));
826 }
827
828 fn next_timestamp(&mut self) -> clock::Lamport {
829 let timestamp = self.timestamp.tick();
830 self.version.observe(timestamp);
831 timestamp
832 }
833
834 pub fn serialize_ops(
835 &self,
836 since: &ContextVersion,
837 cx: &App,
838 ) -> Task<Vec<proto::ContextOperation>> {
839 let buffer_ops = self
840 .buffer
841 .read(cx)
842 .serialize_ops(Some(since.buffer.clone()), cx);
843
844 let mut context_ops = self
845 .operations
846 .iter()
847 .filter(|op| !since.context.observed(op.timestamp()))
848 .cloned()
849 .collect::<Vec<_>>();
850 context_ops.extend(self.pending_ops.iter().cloned());
851
852 cx.background_executor().spawn(async move {
853 let buffer_ops = buffer_ops.await;
854 context_ops.sort_unstable_by_key(|op| op.timestamp());
855 buffer_ops
856 .into_iter()
857 .map(|op| proto::ContextOperation {
858 variant: Some(proto::context_operation::Variant::BufferOperation(
859 proto::context_operation::BufferOperation {
860 operation: Some(op),
861 },
862 )),
863 })
864 .chain(context_ops.into_iter().map(|op| op.to_proto()))
865 .collect()
866 })
867 }
868
869 pub fn apply_ops(
870 &mut self,
871 ops: impl IntoIterator<Item = ContextOperation>,
872 cx: &mut Context<Self>,
873 ) {
874 let mut buffer_ops = Vec::new();
875 for op in ops {
876 match op {
877 ContextOperation::BufferOperation(buffer_op) => buffer_ops.push(buffer_op),
878 op @ _ => self.pending_ops.push(op),
879 }
880 }
881 self.buffer
882 .update(cx, |buffer, cx| buffer.apply_ops(buffer_ops, cx));
883 self.flush_ops(cx);
884 }
885
886 fn flush_ops(&mut self, cx: &mut Context<AssistantContext>) {
887 let mut changed_messages = HashSet::default();
888 let mut summary_changed = false;
889
890 self.pending_ops.sort_unstable_by_key(|op| op.timestamp());
891 for op in mem::take(&mut self.pending_ops) {
892 if !self.can_apply_op(&op, cx) {
893 self.pending_ops.push(op);
894 continue;
895 }
896
897 let timestamp = op.timestamp();
898 match op.clone() {
899 ContextOperation::InsertMessage {
900 anchor, metadata, ..
901 } => {
902 if self.messages_metadata.contains_key(&anchor.id) {
903 // We already applied this operation.
904 } else {
905 changed_messages.insert(anchor.id);
906 self.insert_message(anchor, metadata, cx);
907 }
908 }
909 ContextOperation::UpdateMessage {
910 message_id,
911 metadata: new_metadata,
912 ..
913 } => {
914 let metadata = self.messages_metadata.get_mut(&message_id).unwrap();
915 if new_metadata.timestamp > metadata.timestamp {
916 *metadata = new_metadata;
917 changed_messages.insert(message_id);
918 }
919 }
920 ContextOperation::UpdateSummary {
921 summary: new_summary,
922 ..
923 } => {
924 if self
925 .summary
926 .as_ref()
927 .map_or(true, |summary| new_summary.timestamp > summary.timestamp)
928 {
929 self.summary = Some(new_summary);
930 summary_changed = true;
931 }
932 }
933 ContextOperation::SlashCommandStarted {
934 id,
935 output_range,
936 name,
937 ..
938 } => {
939 self.invoked_slash_commands.insert(
940 id,
941 InvokedSlashCommand {
942 name: name.into(),
943 range: output_range,
944 run_commands_in_ranges: Vec::new(),
945 status: InvokedSlashCommandStatus::Running(Task::ready(())),
946 transaction: None,
947 timestamp: id.0,
948 },
949 );
950 cx.emit(ContextEvent::InvokedSlashCommandChanged { command_id: id });
951 }
952 ContextOperation::SlashCommandOutputSectionAdded { section, .. } => {
953 let buffer = self.buffer.read(cx);
954 if let Err(ix) = self
955 .slash_command_output_sections
956 .binary_search_by(|probe| probe.range.cmp(§ion.range, buffer))
957 {
958 self.slash_command_output_sections
959 .insert(ix, section.clone());
960 cx.emit(ContextEvent::SlashCommandOutputSectionAdded { section });
961 }
962 }
963 ContextOperation::SlashCommandFinished {
964 id,
965 error_message,
966 timestamp,
967 ..
968 } => {
969 if let Some(slash_command) = self.invoked_slash_commands.get_mut(&id) {
970 if timestamp > slash_command.timestamp {
971 slash_command.timestamp = timestamp;
972 match error_message {
973 Some(message) => {
974 slash_command.status =
975 InvokedSlashCommandStatus::Error(message.into());
976 }
977 None => {
978 slash_command.status = InvokedSlashCommandStatus::Finished;
979 }
980 }
981 cx.emit(ContextEvent::InvokedSlashCommandChanged { command_id: id });
982 }
983 }
984 }
985 ContextOperation::BufferOperation(_) => unreachable!(),
986 }
987
988 self.version.observe(timestamp);
989 self.timestamp.observe(timestamp);
990 self.operations.push(op);
991 }
992
993 if !changed_messages.is_empty() {
994 self.message_roles_updated(changed_messages, cx);
995 cx.emit(ContextEvent::MessagesEdited);
996 cx.notify();
997 }
998
999 if summary_changed {
1000 cx.emit(ContextEvent::SummaryChanged);
1001 cx.notify();
1002 }
1003 }
1004
1005 fn can_apply_op(&self, op: &ContextOperation, cx: &App) -> bool {
1006 if !self.version.observed_all(op.version()) {
1007 return false;
1008 }
1009
1010 match op {
1011 ContextOperation::InsertMessage { anchor, .. } => self
1012 .buffer
1013 .read(cx)
1014 .version
1015 .observed(anchor.start.timestamp),
1016 ContextOperation::UpdateMessage { message_id, .. } => {
1017 self.messages_metadata.contains_key(message_id)
1018 }
1019 ContextOperation::UpdateSummary { .. } => true,
1020 ContextOperation::SlashCommandStarted { output_range, .. } => {
1021 self.has_received_operations_for_anchor_range(output_range.clone(), cx)
1022 }
1023 ContextOperation::SlashCommandOutputSectionAdded { section, .. } => {
1024 self.has_received_operations_for_anchor_range(section.range.clone(), cx)
1025 }
1026 ContextOperation::SlashCommandFinished { .. } => true,
1027 ContextOperation::BufferOperation(_) => {
1028 panic!("buffer operations should always be applied")
1029 }
1030 }
1031 }
1032
1033 fn has_received_operations_for_anchor_range(
1034 &self,
1035 range: Range<text::Anchor>,
1036 cx: &App,
1037 ) -> bool {
1038 let version = &self.buffer.read(cx).version;
1039 let observed_start = range.start == language::Anchor::MIN
1040 || range.start == language::Anchor::MAX
1041 || version.observed(range.start.timestamp);
1042 let observed_end = range.end == language::Anchor::MIN
1043 || range.end == language::Anchor::MAX
1044 || version.observed(range.end.timestamp);
1045 observed_start && observed_end
1046 }
1047
1048 fn push_op(&mut self, op: ContextOperation, cx: &mut Context<Self>) {
1049 self.operations.push(op.clone());
1050 cx.emit(ContextEvent::Operation(op));
1051 }
1052
1053 pub fn buffer(&self) -> &Entity<Buffer> {
1054 &self.buffer
1055 }
1056
1057 pub fn language_registry(&self) -> Arc<LanguageRegistry> {
1058 self.language_registry.clone()
1059 }
1060
1061 pub fn project(&self) -> Option<Entity<Project>> {
1062 self.project.clone()
1063 }
1064
1065 pub fn prompt_builder(&self) -> Arc<PromptBuilder> {
1066 self.prompt_builder.clone()
1067 }
1068
1069 pub fn path(&self) -> Option<&Path> {
1070 self.path.as_deref()
1071 }
1072
1073 pub fn summary(&self) -> Option<&ContextSummary> {
1074 self.summary.as_ref()
1075 }
1076
1077 pub fn patch_containing(&self, position: Point, cx: &App) -> Option<&AssistantPatch> {
1078 let buffer = self.buffer.read(cx);
1079 let index = self.patches.binary_search_by(|patch| {
1080 let patch_range = patch.range.to_point(&buffer);
1081 if position < patch_range.start {
1082 Ordering::Greater
1083 } else if position > patch_range.end {
1084 Ordering::Less
1085 } else {
1086 Ordering::Equal
1087 }
1088 });
1089 if let Ok(ix) = index {
1090 Some(&self.patches[ix])
1091 } else {
1092 None
1093 }
1094 }
1095
1096 pub fn patch_ranges(&self) -> impl Iterator<Item = Range<language::Anchor>> + '_ {
1097 self.patches.iter().map(|patch| patch.range.clone())
1098 }
1099
1100 pub fn patch_for_range(
1101 &self,
1102 range: &Range<language::Anchor>,
1103 cx: &App,
1104 ) -> Option<&AssistantPatch> {
1105 let buffer = self.buffer.read(cx);
1106 let index = self.patch_index_for_range(range, buffer).ok()?;
1107 Some(&self.patches[index])
1108 }
1109
1110 fn patch_index_for_range(
1111 &self,
1112 tagged_range: &Range<text::Anchor>,
1113 buffer: &text::BufferSnapshot,
1114 ) -> Result<usize, usize> {
1115 self.patches
1116 .binary_search_by(|probe| probe.range.cmp(&tagged_range, buffer))
1117 }
1118
1119 pub fn parsed_slash_commands(&self) -> &[ParsedSlashCommand] {
1120 &self.parsed_slash_commands
1121 }
1122
1123 pub fn invoked_slash_command(
1124 &self,
1125 command_id: &InvokedSlashCommandId,
1126 ) -> Option<&InvokedSlashCommand> {
1127 self.invoked_slash_commands.get(command_id)
1128 }
1129
1130 pub fn slash_command_output_sections(&self) -> &[SlashCommandOutputSection<language::Anchor>] {
1131 &self.slash_command_output_sections
1132 }
1133
1134 pub fn contains_files(&self, cx: &App) -> bool {
1135 let buffer = self.buffer.read(cx);
1136 self.slash_command_output_sections.iter().any(|section| {
1137 section.is_valid(buffer)
1138 && section
1139 .metadata
1140 .as_ref()
1141 .and_then(|metadata| {
1142 serde_json::from_value::<FileCommandMetadata>(metadata.clone()).ok()
1143 })
1144 .is_some()
1145 })
1146 }
1147
1148 fn set_language(&mut self, cx: &mut Context<Self>) {
1149 let markdown = self.language_registry.language_for_name("Markdown");
1150 cx.spawn(|this, mut cx| async move {
1151 let markdown = markdown.await?;
1152 this.update(&mut cx, |this, cx| {
1153 this.buffer
1154 .update(cx, |buffer, cx| buffer.set_language(Some(markdown), cx));
1155 })
1156 })
1157 .detach_and_log_err(cx);
1158 }
1159
1160 fn handle_buffer_event(
1161 &mut self,
1162 _: Entity<Buffer>,
1163 event: &language::BufferEvent,
1164 cx: &mut Context<Self>,
1165 ) {
1166 match event {
1167 language::BufferEvent::Operation {
1168 operation,
1169 is_local: true,
1170 } => cx.emit(ContextEvent::Operation(ContextOperation::BufferOperation(
1171 operation.clone(),
1172 ))),
1173 language::BufferEvent::Edited => {
1174 self.count_remaining_tokens(cx);
1175 self.reparse(cx);
1176 cx.emit(ContextEvent::MessagesEdited);
1177 }
1178 _ => {}
1179 }
1180 }
1181
1182 pub fn token_count(&self) -> Option<usize> {
1183 self.token_count
1184 }
1185
1186 pub(crate) fn count_remaining_tokens(&mut self, cx: &mut Context<Self>) {
1187 // Assume it will be a Chat request, even though that takes fewer tokens (and risks going over the limit),
1188 // because otherwise you see in the UI that your empty message has a bunch of tokens already used.
1189 let request = self.to_completion_request(RequestType::Chat, cx);
1190 let Some(model) = LanguageModelRegistry::read_global(cx).active_model() else {
1191 return;
1192 };
1193 self.pending_token_count = cx.spawn(|this, mut cx| {
1194 async move {
1195 cx.background_executor()
1196 .timer(Duration::from_millis(200))
1197 .await;
1198
1199 let token_count = cx.update(|cx| model.count_tokens(request, cx))?.await?;
1200 this.update(&mut cx, |this, cx| {
1201 this.token_count = Some(token_count);
1202 this.start_cache_warming(&model, cx);
1203 cx.notify()
1204 })
1205 }
1206 .log_err()
1207 });
1208 }
1209
1210 pub fn mark_cache_anchors(
1211 &mut self,
1212 cache_configuration: &Option<LanguageModelCacheConfiguration>,
1213 speculative: bool,
1214 cx: &mut Context<Self>,
1215 ) -> bool {
1216 let cache_configuration =
1217 cache_configuration
1218 .as_ref()
1219 .unwrap_or(&LanguageModelCacheConfiguration {
1220 max_cache_anchors: 0,
1221 should_speculate: false,
1222 min_total_token: 0,
1223 });
1224
1225 let messages: Vec<Message> = self.messages(cx).collect();
1226
1227 let mut sorted_messages = messages.clone();
1228 if speculative {
1229 // Avoid caching the last message if this is a speculative cache fetch as
1230 // it's likely to change.
1231 sorted_messages.pop();
1232 }
1233 sorted_messages.retain(|m| m.role == Role::User);
1234 sorted_messages.sort_by(|a, b| b.offset_range.len().cmp(&a.offset_range.len()));
1235
1236 let cache_anchors = if self.token_count.unwrap_or(0) < cache_configuration.min_total_token {
1237 // If we have't hit the minimum threshold to enable caching, don't cache anything.
1238 0
1239 } else {
1240 // Save 1 anchor for the inline assistant to use.
1241 max(cache_configuration.max_cache_anchors, 1) - 1
1242 };
1243 sorted_messages.truncate(cache_anchors);
1244
1245 let anchors: HashSet<MessageId> = sorted_messages
1246 .into_iter()
1247 .map(|message| message.id)
1248 .collect();
1249
1250 let buffer = self.buffer.read(cx).snapshot();
1251 let invalidated_caches: HashSet<MessageId> = messages
1252 .iter()
1253 .scan(false, |encountered_invalid, message| {
1254 let message_id = message.id;
1255 let is_invalid = self
1256 .messages_metadata
1257 .get(&message_id)
1258 .map_or(true, |metadata| {
1259 !metadata.is_cache_valid(&buffer, &message.offset_range)
1260 || *encountered_invalid
1261 });
1262 *encountered_invalid |= is_invalid;
1263 Some(if is_invalid { Some(message_id) } else { None })
1264 })
1265 .flatten()
1266 .collect();
1267
1268 let last_anchor = messages.iter().rev().find_map(|message| {
1269 if anchors.contains(&message.id) {
1270 Some(message.id)
1271 } else {
1272 None
1273 }
1274 });
1275
1276 let mut new_anchor_needs_caching = false;
1277 let current_version = &buffer.version;
1278 // If we have no anchors, mark all messages as not being cached.
1279 let mut hit_last_anchor = last_anchor.is_none();
1280
1281 for message in messages.iter() {
1282 if hit_last_anchor {
1283 self.update_metadata(message.id, cx, |metadata| metadata.cache = None);
1284 continue;
1285 }
1286
1287 if let Some(last_anchor) = last_anchor {
1288 if message.id == last_anchor {
1289 hit_last_anchor = true;
1290 }
1291 }
1292
1293 new_anchor_needs_caching = new_anchor_needs_caching
1294 || (invalidated_caches.contains(&message.id) && anchors.contains(&message.id));
1295
1296 self.update_metadata(message.id, cx, |metadata| {
1297 let cache_status = if invalidated_caches.contains(&message.id) {
1298 CacheStatus::Pending
1299 } else {
1300 metadata
1301 .cache
1302 .as_ref()
1303 .map_or(CacheStatus::Pending, |cm| cm.status.clone())
1304 };
1305 metadata.cache = Some(MessageCacheMetadata {
1306 is_anchor: anchors.contains(&message.id),
1307 is_final_anchor: hit_last_anchor,
1308 status: cache_status,
1309 cached_at: current_version.clone(),
1310 });
1311 });
1312 }
1313 new_anchor_needs_caching
1314 }
1315
1316 fn start_cache_warming(&mut self, model: &Arc<dyn LanguageModel>, cx: &mut Context<Self>) {
1317 let cache_configuration = model.cache_configuration();
1318
1319 if !self.mark_cache_anchors(&cache_configuration, true, cx) {
1320 return;
1321 }
1322 if !self.pending_completions.is_empty() {
1323 return;
1324 }
1325 if let Some(cache_configuration) = cache_configuration {
1326 if !cache_configuration.should_speculate {
1327 return;
1328 }
1329 }
1330
1331 let request = {
1332 let mut req = self.to_completion_request(RequestType::Chat, cx);
1333 // Skip the last message because it's likely to change and
1334 // therefore would be a waste to cache.
1335 req.messages.pop();
1336 req.messages.push(LanguageModelRequestMessage {
1337 role: Role::User,
1338 content: vec!["Respond only with OK, nothing else.".into()],
1339 cache: false,
1340 });
1341 req
1342 };
1343
1344 let model = Arc::clone(model);
1345 self.pending_cache_warming_task = cx.spawn(|this, mut cx| {
1346 async move {
1347 match model.stream_completion(request, &cx).await {
1348 Ok(mut stream) => {
1349 stream.next().await;
1350 log::info!("Cache warming completed successfully");
1351 }
1352 Err(e) => {
1353 log::warn!("Cache warming failed: {}", e);
1354 }
1355 };
1356 this.update(&mut cx, |this, cx| {
1357 this.update_cache_status_for_completion(cx);
1358 })
1359 .ok();
1360 anyhow::Ok(())
1361 }
1362 .log_err()
1363 });
1364 }
1365
1366 pub fn update_cache_status_for_completion(&mut self, cx: &mut Context<Self>) {
1367 let cached_message_ids: Vec<MessageId> = self
1368 .messages_metadata
1369 .iter()
1370 .filter_map(|(message_id, metadata)| {
1371 metadata.cache.as_ref().and_then(|cache| {
1372 if cache.status == CacheStatus::Pending {
1373 Some(*message_id)
1374 } else {
1375 None
1376 }
1377 })
1378 })
1379 .collect();
1380
1381 for message_id in cached_message_ids {
1382 self.update_metadata(message_id, cx, |metadata| {
1383 if let Some(cache) = &mut metadata.cache {
1384 cache.status = CacheStatus::Cached;
1385 }
1386 });
1387 }
1388 cx.notify();
1389 }
1390
1391 pub fn reparse(&mut self, cx: &mut Context<Self>) {
1392 let buffer = self.buffer.read(cx).text_snapshot();
1393 let mut row_ranges = self
1394 .edits_since_last_parse
1395 .consume()
1396 .into_iter()
1397 .map(|edit| {
1398 let start_row = buffer.offset_to_point(edit.new.start).row;
1399 let end_row = buffer.offset_to_point(edit.new.end).row + 1;
1400 start_row..end_row
1401 })
1402 .peekable();
1403
1404 let mut removed_parsed_slash_command_ranges = Vec::new();
1405 let mut updated_parsed_slash_commands = Vec::new();
1406 let mut removed_patches = Vec::new();
1407 let mut updated_patches = Vec::new();
1408 while let Some(mut row_range) = row_ranges.next() {
1409 while let Some(next_row_range) = row_ranges.peek() {
1410 if row_range.end >= next_row_range.start {
1411 row_range.end = next_row_range.end;
1412 row_ranges.next();
1413 } else {
1414 break;
1415 }
1416 }
1417
1418 let start = buffer.anchor_before(Point::new(row_range.start, 0));
1419 let end = buffer.anchor_after(Point::new(
1420 row_range.end - 1,
1421 buffer.line_len(row_range.end - 1),
1422 ));
1423
1424 self.reparse_slash_commands_in_range(
1425 start..end,
1426 &buffer,
1427 &mut updated_parsed_slash_commands,
1428 &mut removed_parsed_slash_command_ranges,
1429 cx,
1430 );
1431 self.invalidate_pending_slash_commands(&buffer, cx);
1432 self.reparse_patches_in_range(
1433 start..end,
1434 &buffer,
1435 &mut updated_patches,
1436 &mut removed_patches,
1437 cx,
1438 );
1439 }
1440
1441 if !updated_parsed_slash_commands.is_empty()
1442 || !removed_parsed_slash_command_ranges.is_empty()
1443 {
1444 cx.emit(ContextEvent::ParsedSlashCommandsUpdated {
1445 removed: removed_parsed_slash_command_ranges,
1446 updated: updated_parsed_slash_commands,
1447 });
1448 }
1449
1450 if !updated_patches.is_empty() || !removed_patches.is_empty() {
1451 cx.emit(ContextEvent::PatchesUpdated {
1452 removed: removed_patches,
1453 updated: updated_patches,
1454 });
1455 }
1456 }
1457
1458 fn reparse_slash_commands_in_range(
1459 &mut self,
1460 range: Range<text::Anchor>,
1461 buffer: &BufferSnapshot,
1462 updated: &mut Vec<ParsedSlashCommand>,
1463 removed: &mut Vec<Range<text::Anchor>>,
1464 cx: &App,
1465 ) {
1466 let old_range = self.pending_command_indices_for_range(range.clone(), cx);
1467
1468 let mut new_commands = Vec::new();
1469 let mut lines = buffer.text_for_range(range).lines();
1470 let mut offset = lines.offset();
1471 while let Some(line) = lines.next() {
1472 if let Some(command_line) = SlashCommandLine::parse(line) {
1473 let name = &line[command_line.name.clone()];
1474 let arguments = command_line
1475 .arguments
1476 .iter()
1477 .filter_map(|argument_range| {
1478 if argument_range.is_empty() {
1479 None
1480 } else {
1481 line.get(argument_range.clone())
1482 }
1483 })
1484 .map(ToOwned::to_owned)
1485 .collect::<SmallVec<_>>();
1486 if let Some(command) = self.slash_commands.command(name, cx) {
1487 if !command.requires_argument() || !arguments.is_empty() {
1488 let start_ix = offset + command_line.name.start - 1;
1489 let end_ix = offset
1490 + command_line
1491 .arguments
1492 .last()
1493 .map_or(command_line.name.end, |argument| argument.end);
1494 let source_range =
1495 buffer.anchor_after(start_ix)..buffer.anchor_after(end_ix);
1496 let pending_command = ParsedSlashCommand {
1497 name: name.to_string(),
1498 arguments,
1499 source_range,
1500 status: PendingSlashCommandStatus::Idle,
1501 };
1502 updated.push(pending_command.clone());
1503 new_commands.push(pending_command);
1504 }
1505 }
1506 }
1507
1508 offset = lines.offset();
1509 }
1510
1511 let removed_commands = self.parsed_slash_commands.splice(old_range, new_commands);
1512 removed.extend(removed_commands.map(|command| command.source_range));
1513 }
1514
1515 fn invalidate_pending_slash_commands(
1516 &mut self,
1517 buffer: &BufferSnapshot,
1518 cx: &mut Context<Self>,
1519 ) {
1520 let mut invalidated_command_ids = Vec::new();
1521 for (&command_id, command) in self.invoked_slash_commands.iter_mut() {
1522 if !matches!(command.status, InvokedSlashCommandStatus::Finished)
1523 && (!command.range.start.is_valid(buffer) || !command.range.end.is_valid(buffer))
1524 {
1525 command.status = InvokedSlashCommandStatus::Finished;
1526 cx.emit(ContextEvent::InvokedSlashCommandChanged { command_id });
1527 invalidated_command_ids.push(command_id);
1528 }
1529 }
1530
1531 for command_id in invalidated_command_ids {
1532 let version = self.version.clone();
1533 let timestamp = self.next_timestamp();
1534 self.push_op(
1535 ContextOperation::SlashCommandFinished {
1536 id: command_id,
1537 timestamp,
1538 error_message: None,
1539 version: version.clone(),
1540 },
1541 cx,
1542 );
1543 }
1544 }
1545
1546 fn reparse_patches_in_range(
1547 &mut self,
1548 range: Range<text::Anchor>,
1549 buffer: &BufferSnapshot,
1550 updated: &mut Vec<Range<text::Anchor>>,
1551 removed: &mut Vec<Range<text::Anchor>>,
1552 cx: &mut Context<Self>,
1553 ) {
1554 // Rebuild the XML tags in the edited range.
1555 let intersecting_tags_range =
1556 self.indices_intersecting_buffer_range(&self.xml_tags, range.clone(), cx);
1557 let new_tags = self.parse_xml_tags_in_range(buffer, range.clone(), cx);
1558 self.xml_tags
1559 .splice(intersecting_tags_range.clone(), new_tags);
1560
1561 // Find which patches intersect the changed range.
1562 let intersecting_patches_range =
1563 self.indices_intersecting_buffer_range(&self.patches, range.clone(), cx);
1564
1565 // Reparse all tags after the last unchanged patch before the change.
1566 let mut tags_start_ix = 0;
1567 if let Some(preceding_unchanged_patch) =
1568 self.patches[..intersecting_patches_range.start].last()
1569 {
1570 tags_start_ix = match self.xml_tags.binary_search_by(|tag| {
1571 tag.range
1572 .start
1573 .cmp(&preceding_unchanged_patch.range.end, buffer)
1574 .then(Ordering::Less)
1575 }) {
1576 Ok(ix) | Err(ix) => ix,
1577 };
1578 }
1579
1580 // Rebuild the patches in the range.
1581 let new_patches = self.parse_patches(tags_start_ix, range.end, buffer, cx);
1582 updated.extend(new_patches.iter().map(|patch| patch.range.clone()));
1583 let removed_patches = self.patches.splice(intersecting_patches_range, new_patches);
1584 removed.extend(
1585 removed_patches
1586 .map(|patch| patch.range)
1587 .filter(|range| !updated.contains(&range)),
1588 );
1589 }
1590
1591 fn parse_xml_tags_in_range(
1592 &self,
1593 buffer: &BufferSnapshot,
1594 range: Range<text::Anchor>,
1595 cx: &App,
1596 ) -> Vec<XmlTag> {
1597 let mut messages = self.messages(cx).peekable();
1598
1599 let mut tags = Vec::new();
1600 let mut lines = buffer.text_for_range(range).lines();
1601 let mut offset = lines.offset();
1602
1603 while let Some(line) = lines.next() {
1604 while let Some(message) = messages.peek() {
1605 if offset < message.offset_range.end {
1606 break;
1607 } else {
1608 messages.next();
1609 }
1610 }
1611
1612 let is_assistant_message = messages
1613 .peek()
1614 .map_or(false, |message| message.role == Role::Assistant);
1615 if is_assistant_message {
1616 for (start_ix, _) in line.match_indices('<') {
1617 let mut name_start_ix = start_ix + 1;
1618 let closing_bracket_ix = line[start_ix..].find('>').map(|i| start_ix + i);
1619 if let Some(closing_bracket_ix) = closing_bracket_ix {
1620 let end_ix = closing_bracket_ix + 1;
1621 let mut is_open_tag = true;
1622 if line[name_start_ix..closing_bracket_ix].starts_with('/') {
1623 name_start_ix += 1;
1624 is_open_tag = false;
1625 }
1626 let tag_inner = &line[name_start_ix..closing_bracket_ix];
1627 let tag_name_len = tag_inner
1628 .find(|c: char| c.is_whitespace())
1629 .unwrap_or(tag_inner.len());
1630 if let Ok(kind) = XmlTagKind::from_str(&tag_inner[..tag_name_len]) {
1631 tags.push(XmlTag {
1632 range: buffer.anchor_after(offset + start_ix)
1633 ..buffer.anchor_before(offset + end_ix),
1634 is_open_tag,
1635 kind,
1636 });
1637 };
1638 }
1639 }
1640 }
1641
1642 offset = lines.offset();
1643 }
1644 tags
1645 }
1646
1647 fn parse_patches(
1648 &mut self,
1649 tags_start_ix: usize,
1650 buffer_end: text::Anchor,
1651 buffer: &BufferSnapshot,
1652 cx: &App,
1653 ) -> Vec<AssistantPatch> {
1654 let mut new_patches = Vec::new();
1655 let mut pending_patch = None;
1656 let mut patch_tag_depth = 0;
1657 let mut tags = self.xml_tags[tags_start_ix..].iter().peekable();
1658 'tags: while let Some(tag) = tags.next() {
1659 if tag.range.start.cmp(&buffer_end, buffer).is_gt() && patch_tag_depth == 0 {
1660 break;
1661 }
1662
1663 if tag.kind == XmlTagKind::Patch && tag.is_open_tag {
1664 patch_tag_depth += 1;
1665 let patch_start = tag.range.start;
1666 let mut edits = Vec::<Result<AssistantEdit>>::new();
1667 let mut patch = AssistantPatch {
1668 range: patch_start..patch_start,
1669 title: String::new().into(),
1670 edits: Default::default(),
1671 status: crate::AssistantPatchStatus::Pending,
1672 };
1673
1674 while let Some(tag) = tags.next() {
1675 if tag.kind == XmlTagKind::Patch && !tag.is_open_tag {
1676 patch_tag_depth -= 1;
1677 if patch_tag_depth == 0 {
1678 patch.range.end = tag.range.end;
1679
1680 // Include the line immediately after this <patch> tag if it's empty.
1681 let patch_end_offset = patch.range.end.to_offset(buffer);
1682 let mut patch_end_chars = buffer.chars_at(patch_end_offset);
1683 if patch_end_chars.next() == Some('\n')
1684 && patch_end_chars.next().map_or(true, |ch| ch == '\n')
1685 {
1686 let messages = self.messages_for_offsets(
1687 [patch_end_offset, patch_end_offset + 1],
1688 cx,
1689 );
1690 if messages.len() == 1 {
1691 patch.range.end = buffer.anchor_before(patch_end_offset + 1);
1692 }
1693 }
1694
1695 edits.sort_unstable_by(|a, b| {
1696 if let (Ok(a), Ok(b)) = (a, b) {
1697 a.path.cmp(&b.path)
1698 } else {
1699 Ordering::Equal
1700 }
1701 });
1702 patch.edits = edits.into();
1703 patch.status = AssistantPatchStatus::Ready;
1704 new_patches.push(patch);
1705 continue 'tags;
1706 }
1707 }
1708
1709 if tag.kind == XmlTagKind::Title && tag.is_open_tag {
1710 let content_start = tag.range.end;
1711 while let Some(tag) = tags.next() {
1712 if tag.kind == XmlTagKind::Title && !tag.is_open_tag {
1713 let content_end = tag.range.start;
1714 patch.title =
1715 trimmed_text_in_range(buffer, content_start..content_end)
1716 .into();
1717 break;
1718 }
1719 }
1720 }
1721
1722 if tag.kind == XmlTagKind::Edit && tag.is_open_tag {
1723 let mut path = None;
1724 let mut old_text = None;
1725 let mut new_text = None;
1726 let mut operation = None;
1727 let mut description = None;
1728
1729 while let Some(tag) = tags.next() {
1730 if tag.kind == XmlTagKind::Edit && !tag.is_open_tag {
1731 edits.push(AssistantEdit::new(
1732 path,
1733 operation,
1734 old_text,
1735 new_text,
1736 description,
1737 ));
1738 break;
1739 }
1740
1741 if tag.is_open_tag
1742 && [
1743 XmlTagKind::Path,
1744 XmlTagKind::OldText,
1745 XmlTagKind::NewText,
1746 XmlTagKind::Operation,
1747 XmlTagKind::Description,
1748 ]
1749 .contains(&tag.kind)
1750 {
1751 let kind = tag.kind;
1752 let content_start = tag.range.end;
1753 if let Some(tag) = tags.peek() {
1754 if tag.kind == kind && !tag.is_open_tag {
1755 let tag = tags.next().unwrap();
1756 let content_end = tag.range.start;
1757 let content = trimmed_text_in_range(
1758 buffer,
1759 content_start..content_end,
1760 );
1761 match kind {
1762 XmlTagKind::Path => path = Some(content),
1763 XmlTagKind::Operation => operation = Some(content),
1764 XmlTagKind::OldText => {
1765 old_text = Some(content).filter(|s| !s.is_empty())
1766 }
1767 XmlTagKind::NewText => {
1768 new_text = Some(content).filter(|s| !s.is_empty())
1769 }
1770 XmlTagKind::Description => {
1771 description =
1772 Some(content).filter(|s| !s.is_empty())
1773 }
1774 _ => {}
1775 }
1776 }
1777 }
1778 }
1779 }
1780 }
1781 }
1782
1783 patch.edits = edits.into();
1784 pending_patch = Some(patch);
1785 }
1786 }
1787
1788 if let Some(mut pending_patch) = pending_patch {
1789 let patch_start = pending_patch.range.start.to_offset(buffer);
1790 if let Some(message) = self.message_for_offset(patch_start, cx) {
1791 if message.anchor_range.end == text::Anchor::MAX {
1792 pending_patch.range.end = text::Anchor::MAX;
1793 } else {
1794 let message_end = buffer.anchor_after(message.offset_range.end - 1);
1795 pending_patch.range.end = message_end;
1796 }
1797 } else {
1798 pending_patch.range.end = text::Anchor::MAX;
1799 }
1800
1801 new_patches.push(pending_patch);
1802 }
1803
1804 new_patches
1805 }
1806
1807 pub fn pending_command_for_position(
1808 &mut self,
1809 position: language::Anchor,
1810 cx: &mut Context<Self>,
1811 ) -> Option<&mut ParsedSlashCommand> {
1812 let buffer = self.buffer.read(cx);
1813 match self
1814 .parsed_slash_commands
1815 .binary_search_by(|probe| probe.source_range.end.cmp(&position, buffer))
1816 {
1817 Ok(ix) => Some(&mut self.parsed_slash_commands[ix]),
1818 Err(ix) => {
1819 let cmd = self.parsed_slash_commands.get_mut(ix)?;
1820 if position.cmp(&cmd.source_range.start, buffer).is_ge()
1821 && position.cmp(&cmd.source_range.end, buffer).is_le()
1822 {
1823 Some(cmd)
1824 } else {
1825 None
1826 }
1827 }
1828 }
1829 }
1830
1831 pub fn pending_commands_for_range(
1832 &self,
1833 range: Range<language::Anchor>,
1834 cx: &App,
1835 ) -> &[ParsedSlashCommand] {
1836 let range = self.pending_command_indices_for_range(range, cx);
1837 &self.parsed_slash_commands[range]
1838 }
1839
1840 fn pending_command_indices_for_range(
1841 &self,
1842 range: Range<language::Anchor>,
1843 cx: &App,
1844 ) -> Range<usize> {
1845 self.indices_intersecting_buffer_range(&self.parsed_slash_commands, range, cx)
1846 }
1847
1848 fn indices_intersecting_buffer_range<T: ContextAnnotation>(
1849 &self,
1850 all_annotations: &[T],
1851 range: Range<language::Anchor>,
1852 cx: &App,
1853 ) -> Range<usize> {
1854 let buffer = self.buffer.read(cx);
1855 let start_ix = match all_annotations
1856 .binary_search_by(|probe| probe.range().end.cmp(&range.start, &buffer))
1857 {
1858 Ok(ix) | Err(ix) => ix,
1859 };
1860 let end_ix = match all_annotations
1861 .binary_search_by(|probe| probe.range().start.cmp(&range.end, &buffer))
1862 {
1863 Ok(ix) => ix + 1,
1864 Err(ix) => ix,
1865 };
1866 start_ix..end_ix
1867 }
1868
1869 pub fn insert_command_output(
1870 &mut self,
1871 command_source_range: Range<language::Anchor>,
1872 name: &str,
1873 output: Task<SlashCommandResult>,
1874 ensure_trailing_newline: bool,
1875 cx: &mut Context<Self>,
1876 ) {
1877 let version = self.version.clone();
1878 let command_id = InvokedSlashCommandId(self.next_timestamp());
1879
1880 const PENDING_OUTPUT_END_MARKER: &str = "…";
1881
1882 let (command_range, command_source_range, insert_position, first_transaction) =
1883 self.buffer.update(cx, |buffer, cx| {
1884 let command_source_range = command_source_range.to_offset(buffer);
1885 let mut insertion = format!("\n{PENDING_OUTPUT_END_MARKER}");
1886 if ensure_trailing_newline {
1887 insertion.push('\n');
1888 }
1889
1890 buffer.finalize_last_transaction();
1891 buffer.start_transaction();
1892 buffer.edit(
1893 [(
1894 command_source_range.end..command_source_range.end,
1895 insertion,
1896 )],
1897 None,
1898 cx,
1899 );
1900 let first_transaction = buffer.end_transaction(cx).unwrap();
1901 buffer.finalize_last_transaction();
1902
1903 let insert_position = buffer.anchor_after(command_source_range.end + 1);
1904 let command_range = buffer.anchor_after(command_source_range.start)
1905 ..buffer.anchor_before(
1906 command_source_range.end + 1 + PENDING_OUTPUT_END_MARKER.len(),
1907 );
1908 let command_source_range = buffer.anchor_before(command_source_range.start)
1909 ..buffer.anchor_before(command_source_range.end + 1);
1910 (
1911 command_range,
1912 command_source_range,
1913 insert_position,
1914 first_transaction,
1915 )
1916 });
1917 self.reparse(cx);
1918
1919 let insert_output_task = cx.spawn(|this, mut cx| async move {
1920 let run_command = async {
1921 let mut stream = output.await?;
1922
1923 struct PendingSection {
1924 start: language::Anchor,
1925 icon: IconName,
1926 label: SharedString,
1927 metadata: Option<serde_json::Value>,
1928 }
1929
1930 let mut pending_section_stack: Vec<PendingSection> = Vec::new();
1931 let mut last_role: Option<Role> = None;
1932 let mut last_section_range = None;
1933
1934 while let Some(event) = stream.next().await {
1935 let event = event?;
1936 this.update(&mut cx, |this, cx| {
1937 this.buffer.update(cx, |buffer, _cx| {
1938 buffer.finalize_last_transaction();
1939 buffer.start_transaction()
1940 });
1941
1942 match event {
1943 SlashCommandEvent::StartMessage {
1944 role,
1945 merge_same_roles,
1946 } => {
1947 if !merge_same_roles && Some(role) != last_role {
1948 let offset = this.buffer.read_with(cx, |buffer, _cx| {
1949 insert_position.to_offset(buffer)
1950 });
1951 this.insert_message_at_offset(
1952 offset,
1953 role,
1954 MessageStatus::Pending,
1955 cx,
1956 );
1957 }
1958
1959 last_role = Some(role);
1960 }
1961 SlashCommandEvent::StartSection {
1962 icon,
1963 label,
1964 metadata,
1965 } => {
1966 this.buffer.update(cx, |buffer, cx| {
1967 let insert_point = insert_position.to_point(buffer);
1968 if insert_point.column > 0 {
1969 buffer.edit([(insert_point..insert_point, "\n")], None, cx);
1970 }
1971
1972 pending_section_stack.push(PendingSection {
1973 start: buffer.anchor_before(insert_position),
1974 icon,
1975 label,
1976 metadata,
1977 });
1978 });
1979 }
1980 SlashCommandEvent::Content(SlashCommandContent::Text {
1981 text,
1982 run_commands_in_text,
1983 }) => {
1984 let start = this.buffer.read(cx).anchor_before(insert_position);
1985
1986 this.buffer.update(cx, |buffer, cx| {
1987 buffer.edit(
1988 [(insert_position..insert_position, text)],
1989 None,
1990 cx,
1991 )
1992 });
1993
1994 let end = this.buffer.read(cx).anchor_before(insert_position);
1995 if run_commands_in_text {
1996 if let Some(invoked_slash_command) =
1997 this.invoked_slash_commands.get_mut(&command_id)
1998 {
1999 invoked_slash_command
2000 .run_commands_in_ranges
2001 .push(start..end);
2002 }
2003 }
2004 }
2005 SlashCommandEvent::EndSection => {
2006 if let Some(pending_section) = pending_section_stack.pop() {
2007 let offset_range = (pending_section.start..insert_position)
2008 .to_offset(this.buffer.read(cx));
2009 if !offset_range.is_empty() {
2010 let range = this.buffer.update(cx, |buffer, _cx| {
2011 buffer.anchor_after(offset_range.start)
2012 ..buffer.anchor_before(offset_range.end)
2013 });
2014 this.insert_slash_command_output_section(
2015 SlashCommandOutputSection {
2016 range: range.clone(),
2017 icon: pending_section.icon,
2018 label: pending_section.label,
2019 metadata: pending_section.metadata,
2020 },
2021 cx,
2022 );
2023 last_section_range = Some(range);
2024 }
2025 }
2026 }
2027 }
2028
2029 this.buffer.update(cx, |buffer, cx| {
2030 if let Some(event_transaction) = buffer.end_transaction(cx) {
2031 buffer.merge_transactions(event_transaction, first_transaction);
2032 }
2033 });
2034 })?;
2035 }
2036
2037 this.update(&mut cx, |this, cx| {
2038 this.buffer.update(cx, |buffer, cx| {
2039 buffer.finalize_last_transaction();
2040 buffer.start_transaction();
2041
2042 let mut deletions = vec![(command_source_range.to_offset(buffer), "")];
2043 let insert_position = insert_position.to_offset(buffer);
2044 let command_range_end = command_range.end.to_offset(buffer);
2045
2046 if buffer.contains_str_at(insert_position, PENDING_OUTPUT_END_MARKER) {
2047 deletions.push((
2048 insert_position..insert_position + PENDING_OUTPUT_END_MARKER.len(),
2049 "",
2050 ));
2051 }
2052
2053 if ensure_trailing_newline
2054 && buffer.contains_str_at(command_range_end, "\n")
2055 {
2056 let newline_offset = insert_position.saturating_sub(1);
2057 if buffer.contains_str_at(newline_offset, "\n")
2058 && last_section_range.map_or(true, |last_section_range| {
2059 !last_section_range
2060 .to_offset(buffer)
2061 .contains(&newline_offset)
2062 })
2063 {
2064 deletions.push((command_range_end..command_range_end + 1, ""));
2065 }
2066 }
2067
2068 buffer.edit(deletions, None, cx);
2069
2070 if let Some(deletion_transaction) = buffer.end_transaction(cx) {
2071 buffer.merge_transactions(deletion_transaction, first_transaction);
2072 }
2073 });
2074 })?;
2075
2076 debug_assert!(pending_section_stack.is_empty());
2077
2078 anyhow::Ok(())
2079 };
2080
2081 let command_result = run_command.await;
2082
2083 this.update(&mut cx, |this, cx| {
2084 let version = this.version.clone();
2085 let timestamp = this.next_timestamp();
2086 let Some(invoked_slash_command) = this.invoked_slash_commands.get_mut(&command_id)
2087 else {
2088 return;
2089 };
2090 let mut error_message = None;
2091 match command_result {
2092 Ok(()) => {
2093 invoked_slash_command.status = InvokedSlashCommandStatus::Finished;
2094 }
2095 Err(error) => {
2096 let message = error.to_string();
2097 invoked_slash_command.status =
2098 InvokedSlashCommandStatus::Error(message.clone().into());
2099 error_message = Some(message);
2100 }
2101 }
2102
2103 cx.emit(ContextEvent::InvokedSlashCommandChanged { command_id });
2104 this.push_op(
2105 ContextOperation::SlashCommandFinished {
2106 id: command_id,
2107 timestamp,
2108 error_message,
2109 version,
2110 },
2111 cx,
2112 );
2113 })
2114 .ok();
2115 });
2116
2117 self.invoked_slash_commands.insert(
2118 command_id,
2119 InvokedSlashCommand {
2120 name: name.to_string().into(),
2121 range: command_range.clone(),
2122 run_commands_in_ranges: Vec::new(),
2123 status: InvokedSlashCommandStatus::Running(insert_output_task),
2124 transaction: Some(first_transaction),
2125 timestamp: command_id.0,
2126 },
2127 );
2128 cx.emit(ContextEvent::InvokedSlashCommandChanged { command_id });
2129 self.push_op(
2130 ContextOperation::SlashCommandStarted {
2131 id: command_id,
2132 output_range: command_range,
2133 name: name.to_string(),
2134 version,
2135 },
2136 cx,
2137 );
2138 }
2139
2140 fn insert_slash_command_output_section(
2141 &mut self,
2142 section: SlashCommandOutputSection<language::Anchor>,
2143 cx: &mut Context<Self>,
2144 ) {
2145 let buffer = self.buffer.read(cx);
2146 let insertion_ix = match self
2147 .slash_command_output_sections
2148 .binary_search_by(|probe| probe.range.cmp(§ion.range, buffer))
2149 {
2150 Ok(ix) | Err(ix) => ix,
2151 };
2152 self.slash_command_output_sections
2153 .insert(insertion_ix, section.clone());
2154 cx.emit(ContextEvent::SlashCommandOutputSectionAdded {
2155 section: section.clone(),
2156 });
2157 let version = self.version.clone();
2158 let timestamp = self.next_timestamp();
2159 self.push_op(
2160 ContextOperation::SlashCommandOutputSectionAdded {
2161 timestamp,
2162 section,
2163 version,
2164 },
2165 cx,
2166 );
2167 }
2168
2169 pub fn completion_provider_changed(&mut self, cx: &mut Context<Self>) {
2170 self.count_remaining_tokens(cx);
2171 }
2172
2173 fn get_last_valid_message_id(&self, cx: &Context<Self>) -> Option<MessageId> {
2174 self.message_anchors.iter().rev().find_map(|message| {
2175 message
2176 .start
2177 .is_valid(self.buffer.read(cx))
2178 .then_some(message.id)
2179 })
2180 }
2181
2182 pub fn assist(
2183 &mut self,
2184 request_type: RequestType,
2185 cx: &mut Context<Self>,
2186 ) -> Option<MessageAnchor> {
2187 let model_registry = LanguageModelRegistry::read_global(cx);
2188 let provider = model_registry.active_provider()?;
2189 let model = model_registry.active_model()?;
2190 let last_message_id = self.get_last_valid_message_id(cx)?;
2191
2192 if !provider.is_authenticated(cx) {
2193 log::info!("completion provider has no credentials");
2194 return None;
2195 }
2196 // Compute which messages to cache, including the last one.
2197 self.mark_cache_anchors(&model.cache_configuration(), false, cx);
2198
2199 let request = self.to_completion_request(request_type, cx);
2200
2201 let assistant_message = self
2202 .insert_message_after(last_message_id, Role::Assistant, MessageStatus::Pending, cx)
2203 .unwrap();
2204
2205 // Queue up the user's next reply.
2206 let user_message = self
2207 .insert_message_after(assistant_message.id, Role::User, MessageStatus::Done, cx)
2208 .unwrap();
2209
2210 let pending_completion_id = post_inc(&mut self.completion_count);
2211
2212 let task = cx.spawn({
2213 |this, mut cx| async move {
2214 let stream = model.stream_completion(request, &cx);
2215 let assistant_message_id = assistant_message.id;
2216 let mut response_latency = None;
2217 let stream_completion = async {
2218 let request_start = Instant::now();
2219 let mut events = stream.await?;
2220 let mut stop_reason = StopReason::EndTurn;
2221
2222 while let Some(event) = events.next().await {
2223 if response_latency.is_none() {
2224 response_latency = Some(request_start.elapsed());
2225 }
2226 let event = event?;
2227
2228 this.update(&mut cx, |this, cx| {
2229 let message_ix = this
2230 .message_anchors
2231 .iter()
2232 .position(|message| message.id == assistant_message_id)?;
2233 this.buffer.update(cx, |buffer, cx| {
2234 let message_old_end_offset = this.message_anchors[message_ix + 1..]
2235 .iter()
2236 .find(|message| message.start.is_valid(buffer))
2237 .map_or(buffer.len(), |message| {
2238 message.start.to_offset(buffer).saturating_sub(1)
2239 });
2240
2241 match event {
2242 LanguageModelCompletionEvent::StartMessage { .. } => {}
2243 LanguageModelCompletionEvent::Stop(reason) => {
2244 stop_reason = reason;
2245 }
2246 LanguageModelCompletionEvent::Text(chunk) => {
2247 buffer.edit(
2248 [(
2249 message_old_end_offset..message_old_end_offset,
2250 chunk,
2251 )],
2252 None,
2253 cx,
2254 );
2255 }
2256 LanguageModelCompletionEvent::ToolUse(_) => {}
2257 }
2258 });
2259
2260 cx.emit(ContextEvent::StreamedCompletion);
2261
2262 Some(())
2263 })?;
2264 smol::future::yield_now().await;
2265 }
2266 this.update(&mut cx, |this, cx| {
2267 this.pending_completions
2268 .retain(|completion| completion.id != pending_completion_id);
2269 this.summarize(false, cx);
2270 this.update_cache_status_for_completion(cx);
2271 })?;
2272
2273 anyhow::Ok(stop_reason)
2274 };
2275
2276 let result = stream_completion.await;
2277
2278 this.update(&mut cx, |this, cx| {
2279 let error_message = if let Some(error) = result.as_ref().err() {
2280 if error.is::<PaymentRequiredError>() {
2281 cx.emit(ContextEvent::ShowPaymentRequiredError);
2282 this.update_metadata(assistant_message_id, cx, |metadata| {
2283 metadata.status = MessageStatus::Canceled;
2284 });
2285 Some(error.to_string())
2286 } else if error.is::<MaxMonthlySpendReachedError>() {
2287 cx.emit(ContextEvent::ShowMaxMonthlySpendReachedError);
2288 this.update_metadata(assistant_message_id, cx, |metadata| {
2289 metadata.status = MessageStatus::Canceled;
2290 });
2291 Some(error.to_string())
2292 } else {
2293 let error_message = error
2294 .chain()
2295 .map(|err| err.to_string())
2296 .collect::<Vec<_>>()
2297 .join("\n");
2298 cx.emit(ContextEvent::ShowAssistError(SharedString::from(
2299 error_message.clone(),
2300 )));
2301 this.update_metadata(assistant_message_id, cx, |metadata| {
2302 metadata.status =
2303 MessageStatus::Error(SharedString::from(error_message.clone()));
2304 });
2305 Some(error_message)
2306 }
2307 } else {
2308 this.update_metadata(assistant_message_id, cx, |metadata| {
2309 metadata.status = MessageStatus::Done;
2310 });
2311 None
2312 };
2313
2314 let language_name = this
2315 .buffer
2316 .read(cx)
2317 .language()
2318 .map(|language| language.name());
2319 report_assistant_event(
2320 AssistantEvent {
2321 conversation_id: Some(this.id.0.clone()),
2322 kind: AssistantKind::Panel,
2323 phase: AssistantPhase::Response,
2324 message_id: None,
2325 model: model.telemetry_id(),
2326 model_provider: model.provider_id().to_string(),
2327 response_latency,
2328 error_message,
2329 language_name: language_name.map(|name| name.to_proto()),
2330 },
2331 this.telemetry.clone(),
2332 cx.http_client(),
2333 model.api_key(cx),
2334 cx.background_executor(),
2335 );
2336
2337 if let Ok(stop_reason) = result {
2338 match stop_reason {
2339 StopReason::ToolUse => {}
2340 StopReason::EndTurn => {}
2341 StopReason::MaxTokens => {}
2342 }
2343 }
2344 })
2345 .ok();
2346 }
2347 });
2348
2349 self.pending_completions.push(PendingCompletion {
2350 id: pending_completion_id,
2351 assistant_message_id: assistant_message.id,
2352 _task: task,
2353 });
2354
2355 Some(user_message)
2356 }
2357
2358 pub fn to_completion_request(
2359 &self,
2360 request_type: RequestType,
2361 cx: &App,
2362 ) -> LanguageModelRequest {
2363 let buffer = self.buffer.read(cx);
2364
2365 let mut contents = self.contents(cx).peekable();
2366
2367 fn collect_text_content(buffer: &Buffer, range: Range<usize>) -> Option<String> {
2368 let text: String = buffer.text_for_range(range.clone()).collect();
2369 if text.trim().is_empty() {
2370 None
2371 } else {
2372 Some(text)
2373 }
2374 }
2375
2376 let mut completion_request = LanguageModelRequest {
2377 messages: Vec::new(),
2378 tools: Vec::new(),
2379 stop: Vec::new(),
2380 temperature: None,
2381 };
2382 for message in self.messages(cx) {
2383 if message.status != MessageStatus::Done {
2384 continue;
2385 }
2386
2387 let mut offset = message.offset_range.start;
2388 let mut request_message = LanguageModelRequestMessage {
2389 role: message.role,
2390 content: Vec::new(),
2391 cache: message
2392 .cache
2393 .as_ref()
2394 .map_or(false, |cache| cache.is_anchor),
2395 };
2396
2397 while let Some(content) = contents.peek() {
2398 if content
2399 .range()
2400 .end
2401 .cmp(&message.anchor_range.end, buffer)
2402 .is_lt()
2403 {
2404 let content = contents.next().unwrap();
2405 let range = content.range().to_offset(buffer);
2406 request_message.content.extend(
2407 collect_text_content(buffer, offset..range.start).map(MessageContent::Text),
2408 );
2409
2410 match content {
2411 Content::Image { image, .. } => {
2412 if let Some(image) = image.clone().now_or_never().flatten() {
2413 request_message
2414 .content
2415 .push(language_model::MessageContent::Image(image));
2416 }
2417 }
2418 }
2419
2420 offset = range.end;
2421 } else {
2422 break;
2423 }
2424 }
2425
2426 request_message.content.extend(
2427 collect_text_content(buffer, offset..message.offset_range.end)
2428 .map(MessageContent::Text),
2429 );
2430
2431 completion_request.messages.push(request_message);
2432 }
2433
2434 if let RequestType::SuggestEdits = request_type {
2435 if let Ok(preamble) = self.prompt_builder.generate_suggest_edits_prompt() {
2436 let last_elem_index = completion_request.messages.len();
2437
2438 completion_request
2439 .messages
2440 .push(LanguageModelRequestMessage {
2441 role: Role::User,
2442 content: vec![MessageContent::Text(preamble)],
2443 cache: false,
2444 });
2445
2446 // The preamble message should be sent right before the last actual user message.
2447 completion_request
2448 .messages
2449 .swap(last_elem_index, last_elem_index.saturating_sub(1));
2450 }
2451 }
2452
2453 completion_request
2454 }
2455
2456 pub fn cancel_last_assist(&mut self, cx: &mut Context<Self>) -> bool {
2457 if let Some(pending_completion) = self.pending_completions.pop() {
2458 self.update_metadata(pending_completion.assistant_message_id, cx, |metadata| {
2459 if metadata.status == MessageStatus::Pending {
2460 metadata.status = MessageStatus::Canceled;
2461 }
2462 });
2463 true
2464 } else {
2465 false
2466 }
2467 }
2468
2469 pub fn cycle_message_roles(&mut self, ids: HashSet<MessageId>, cx: &mut Context<Self>) {
2470 for id in &ids {
2471 if let Some(metadata) = self.messages_metadata.get(id) {
2472 let role = metadata.role.cycle();
2473 self.update_metadata(*id, cx, |metadata| metadata.role = role);
2474 }
2475 }
2476
2477 self.message_roles_updated(ids, cx);
2478 }
2479
2480 fn message_roles_updated(&mut self, ids: HashSet<MessageId>, cx: &mut Context<Self>) {
2481 let mut ranges = Vec::new();
2482 for message in self.messages(cx) {
2483 if ids.contains(&message.id) {
2484 ranges.push(message.anchor_range.clone());
2485 }
2486 }
2487
2488 let buffer = self.buffer.read(cx).text_snapshot();
2489 let mut updated = Vec::new();
2490 let mut removed = Vec::new();
2491 for range in ranges {
2492 self.reparse_patches_in_range(range, &buffer, &mut updated, &mut removed, cx);
2493 }
2494
2495 if !updated.is_empty() || !removed.is_empty() {
2496 cx.emit(ContextEvent::PatchesUpdated { removed, updated })
2497 }
2498 }
2499
2500 pub fn update_metadata(
2501 &mut self,
2502 id: MessageId,
2503 cx: &mut Context<Self>,
2504 f: impl FnOnce(&mut MessageMetadata),
2505 ) {
2506 let version = self.version.clone();
2507 let timestamp = self.next_timestamp();
2508 if let Some(metadata) = self.messages_metadata.get_mut(&id) {
2509 f(metadata);
2510 metadata.timestamp = timestamp;
2511 let operation = ContextOperation::UpdateMessage {
2512 message_id: id,
2513 metadata: metadata.clone(),
2514 version,
2515 };
2516 self.push_op(operation, cx);
2517 cx.emit(ContextEvent::MessagesEdited);
2518 cx.notify();
2519 }
2520 }
2521
2522 pub fn insert_message_after(
2523 &mut self,
2524 message_id: MessageId,
2525 role: Role,
2526 status: MessageStatus,
2527 cx: &mut Context<Self>,
2528 ) -> Option<MessageAnchor> {
2529 if let Some(prev_message_ix) = self
2530 .message_anchors
2531 .iter()
2532 .position(|message| message.id == message_id)
2533 {
2534 // Find the next valid message after the one we were given.
2535 let mut next_message_ix = prev_message_ix + 1;
2536 while let Some(next_message) = self.message_anchors.get(next_message_ix) {
2537 if next_message.start.is_valid(self.buffer.read(cx)) {
2538 break;
2539 }
2540 next_message_ix += 1;
2541 }
2542
2543 let buffer = self.buffer.read(cx);
2544 let offset = self
2545 .message_anchors
2546 .get(next_message_ix)
2547 .map_or(buffer.len(), |message| {
2548 buffer.clip_offset(message.start.to_offset(buffer) - 1, Bias::Left)
2549 });
2550 Some(self.insert_message_at_offset(offset, role, status, cx))
2551 } else {
2552 None
2553 }
2554 }
2555
2556 fn insert_message_at_offset(
2557 &mut self,
2558 offset: usize,
2559 role: Role,
2560 status: MessageStatus,
2561 cx: &mut Context<Self>,
2562 ) -> MessageAnchor {
2563 let start = self.buffer.update(cx, |buffer, cx| {
2564 buffer.edit([(offset..offset, "\n")], None, cx);
2565 buffer.anchor_before(offset + 1)
2566 });
2567
2568 let version = self.version.clone();
2569 let anchor = MessageAnchor {
2570 id: MessageId(self.next_timestamp()),
2571 start,
2572 };
2573 let metadata = MessageMetadata {
2574 role,
2575 status,
2576 timestamp: anchor.id.0,
2577 cache: None,
2578 };
2579 self.insert_message(anchor.clone(), metadata.clone(), cx);
2580 self.push_op(
2581 ContextOperation::InsertMessage {
2582 anchor: anchor.clone(),
2583 metadata,
2584 version,
2585 },
2586 cx,
2587 );
2588 anchor
2589 }
2590
2591 pub fn insert_content(&mut self, content: Content, cx: &mut Context<Self>) {
2592 let buffer = self.buffer.read(cx);
2593 let insertion_ix = match self
2594 .contents
2595 .binary_search_by(|probe| probe.cmp(&content, buffer))
2596 {
2597 Ok(ix) => {
2598 self.contents.remove(ix);
2599 ix
2600 }
2601 Err(ix) => ix,
2602 };
2603 self.contents.insert(insertion_ix, content);
2604 cx.emit(ContextEvent::MessagesEdited);
2605 }
2606
2607 pub fn contents<'a>(&'a self, cx: &'a App) -> impl 'a + Iterator<Item = Content> {
2608 let buffer = self.buffer.read(cx);
2609 self.contents
2610 .iter()
2611 .filter(|content| {
2612 let range = content.range();
2613 range.start.is_valid(buffer) && range.end.is_valid(buffer)
2614 })
2615 .cloned()
2616 }
2617
2618 pub fn split_message(
2619 &mut self,
2620 range: Range<usize>,
2621 cx: &mut Context<Self>,
2622 ) -> (Option<MessageAnchor>, Option<MessageAnchor>) {
2623 let start_message = self.message_for_offset(range.start, cx);
2624 let end_message = self.message_for_offset(range.end, cx);
2625 if let Some((start_message, end_message)) = start_message.zip(end_message) {
2626 // Prevent splitting when range spans multiple messages.
2627 if start_message.id != end_message.id {
2628 return (None, None);
2629 }
2630
2631 let message = start_message;
2632 let role = message.role;
2633 let mut edited_buffer = false;
2634
2635 let mut suffix_start = None;
2636
2637 // TODO: why did this start panicking?
2638 if range.start > message.offset_range.start
2639 && range.end < message.offset_range.end.saturating_sub(1)
2640 {
2641 if self.buffer.read(cx).chars_at(range.end).next() == Some('\n') {
2642 suffix_start = Some(range.end + 1);
2643 } else if self.buffer.read(cx).reversed_chars_at(range.end).next() == Some('\n') {
2644 suffix_start = Some(range.end);
2645 }
2646 }
2647
2648 let version = self.version.clone();
2649 let suffix = if let Some(suffix_start) = suffix_start {
2650 MessageAnchor {
2651 id: MessageId(self.next_timestamp()),
2652 start: self.buffer.read(cx).anchor_before(suffix_start),
2653 }
2654 } else {
2655 self.buffer.update(cx, |buffer, cx| {
2656 buffer.edit([(range.end..range.end, "\n")], None, cx);
2657 });
2658 edited_buffer = true;
2659 MessageAnchor {
2660 id: MessageId(self.next_timestamp()),
2661 start: self.buffer.read(cx).anchor_before(range.end + 1),
2662 }
2663 };
2664
2665 let suffix_metadata = MessageMetadata {
2666 role,
2667 status: MessageStatus::Done,
2668 timestamp: suffix.id.0,
2669 cache: None,
2670 };
2671 self.insert_message(suffix.clone(), suffix_metadata.clone(), cx);
2672 self.push_op(
2673 ContextOperation::InsertMessage {
2674 anchor: suffix.clone(),
2675 metadata: suffix_metadata,
2676 version,
2677 },
2678 cx,
2679 );
2680
2681 let new_messages =
2682 if range.start == range.end || range.start == message.offset_range.start {
2683 (None, Some(suffix))
2684 } else {
2685 let mut prefix_end = None;
2686 if range.start > message.offset_range.start
2687 && range.end < message.offset_range.end - 1
2688 {
2689 if self.buffer.read(cx).chars_at(range.start).next() == Some('\n') {
2690 prefix_end = Some(range.start + 1);
2691 } else if self.buffer.read(cx).reversed_chars_at(range.start).next()
2692 == Some('\n')
2693 {
2694 prefix_end = Some(range.start);
2695 }
2696 }
2697
2698 let version = self.version.clone();
2699 let selection = if let Some(prefix_end) = prefix_end {
2700 MessageAnchor {
2701 id: MessageId(self.next_timestamp()),
2702 start: self.buffer.read(cx).anchor_before(prefix_end),
2703 }
2704 } else {
2705 self.buffer.update(cx, |buffer, cx| {
2706 buffer.edit([(range.start..range.start, "\n")], None, cx)
2707 });
2708 edited_buffer = true;
2709 MessageAnchor {
2710 id: MessageId(self.next_timestamp()),
2711 start: self.buffer.read(cx).anchor_before(range.end + 1),
2712 }
2713 };
2714
2715 let selection_metadata = MessageMetadata {
2716 role,
2717 status: MessageStatus::Done,
2718 timestamp: selection.id.0,
2719 cache: None,
2720 };
2721 self.insert_message(selection.clone(), selection_metadata.clone(), cx);
2722 self.push_op(
2723 ContextOperation::InsertMessage {
2724 anchor: selection.clone(),
2725 metadata: selection_metadata,
2726 version,
2727 },
2728 cx,
2729 );
2730
2731 (Some(selection), Some(suffix))
2732 };
2733
2734 if !edited_buffer {
2735 cx.emit(ContextEvent::MessagesEdited);
2736 }
2737 new_messages
2738 } else {
2739 (None, None)
2740 }
2741 }
2742
2743 fn insert_message(
2744 &mut self,
2745 new_anchor: MessageAnchor,
2746 new_metadata: MessageMetadata,
2747 cx: &mut Context<Self>,
2748 ) {
2749 cx.emit(ContextEvent::MessagesEdited);
2750
2751 self.messages_metadata.insert(new_anchor.id, new_metadata);
2752
2753 let buffer = self.buffer.read(cx);
2754 let insertion_ix = self
2755 .message_anchors
2756 .iter()
2757 .position(|anchor| {
2758 let comparison = new_anchor.start.cmp(&anchor.start, buffer);
2759 comparison.is_lt() || (comparison.is_eq() && new_anchor.id > anchor.id)
2760 })
2761 .unwrap_or(self.message_anchors.len());
2762 self.message_anchors.insert(insertion_ix, new_anchor);
2763 }
2764
2765 pub fn summarize(&mut self, replace_old: bool, cx: &mut Context<Self>) {
2766 let Some(provider) = LanguageModelRegistry::read_global(cx).active_provider() else {
2767 return;
2768 };
2769 let Some(model) = LanguageModelRegistry::read_global(cx).active_model() else {
2770 return;
2771 };
2772
2773 if replace_old || (self.message_anchors.len() >= 2 && self.summary.is_none()) {
2774 if !provider.is_authenticated(cx) {
2775 return;
2776 }
2777
2778 let mut request = self.to_completion_request(RequestType::Chat, cx);
2779 request.messages.push(LanguageModelRequestMessage {
2780 role: Role::User,
2781 content: vec![
2782 "Generate a concise 3-7 word title for this conversation, omitting punctuation. Go straight to the title, without any preamble and prefix like `Here's a concise suggestion:...` or `Title:`"
2783 .into(),
2784 ],
2785 cache: false,
2786 });
2787
2788 self.pending_summary = cx.spawn(|this, mut cx| {
2789 async move {
2790 let stream = model.stream_completion_text(request, &cx);
2791 let mut messages = stream.await?;
2792
2793 let mut replaced = !replace_old;
2794 while let Some(message) = messages.stream.next().await {
2795 let text = message?;
2796 let mut lines = text.lines();
2797 this.update(&mut cx, |this, cx| {
2798 let version = this.version.clone();
2799 let timestamp = this.next_timestamp();
2800 let summary = this.summary.get_or_insert(ContextSummary::default());
2801 if !replaced && replace_old {
2802 summary.text.clear();
2803 replaced = true;
2804 }
2805 summary.text.extend(lines.next());
2806 summary.timestamp = timestamp;
2807 let operation = ContextOperation::UpdateSummary {
2808 summary: summary.clone(),
2809 version,
2810 };
2811 this.push_op(operation, cx);
2812 cx.emit(ContextEvent::SummaryChanged);
2813 })?;
2814
2815 // Stop if the LLM generated multiple lines.
2816 if lines.next().is_some() {
2817 break;
2818 }
2819 }
2820
2821 this.update(&mut cx, |this, cx| {
2822 let version = this.version.clone();
2823 let timestamp = this.next_timestamp();
2824 if let Some(summary) = this.summary.as_mut() {
2825 summary.done = true;
2826 summary.timestamp = timestamp;
2827 let operation = ContextOperation::UpdateSummary {
2828 summary: summary.clone(),
2829 version,
2830 };
2831 this.push_op(operation, cx);
2832 cx.emit(ContextEvent::SummaryChanged);
2833 }
2834 })?;
2835
2836 anyhow::Ok(())
2837 }
2838 .log_err()
2839 });
2840 }
2841 }
2842
2843 fn message_for_offset(&self, offset: usize, cx: &App) -> Option<Message> {
2844 self.messages_for_offsets([offset], cx).pop()
2845 }
2846
2847 pub fn messages_for_offsets(
2848 &self,
2849 offsets: impl IntoIterator<Item = usize>,
2850 cx: &App,
2851 ) -> Vec<Message> {
2852 let mut result = Vec::new();
2853
2854 let mut messages = self.messages(cx).peekable();
2855 let mut offsets = offsets.into_iter().peekable();
2856 let mut current_message = messages.next();
2857 while let Some(offset) = offsets.next() {
2858 // Locate the message that contains the offset.
2859 while current_message.as_ref().map_or(false, |message| {
2860 !message.offset_range.contains(&offset) && messages.peek().is_some()
2861 }) {
2862 current_message = messages.next();
2863 }
2864 let Some(message) = current_message.as_ref() else {
2865 break;
2866 };
2867
2868 // Skip offsets that are in the same message.
2869 while offsets.peek().map_or(false, |offset| {
2870 message.offset_range.contains(offset) || messages.peek().is_none()
2871 }) {
2872 offsets.next();
2873 }
2874
2875 result.push(message.clone());
2876 }
2877 result
2878 }
2879
2880 fn messages_from_anchors<'a>(
2881 &'a self,
2882 message_anchors: impl Iterator<Item = &'a MessageAnchor> + 'a,
2883 cx: &'a App,
2884 ) -> impl 'a + Iterator<Item = Message> {
2885 let buffer = self.buffer.read(cx);
2886
2887 Self::messages_from_iters(buffer, &self.messages_metadata, message_anchors.enumerate())
2888 }
2889
2890 pub fn messages<'a>(&'a self, cx: &'a App) -> impl 'a + Iterator<Item = Message> {
2891 self.messages_from_anchors(self.message_anchors.iter(), cx)
2892 }
2893
2894 pub fn messages_from_iters<'a>(
2895 buffer: &'a Buffer,
2896 metadata: &'a HashMap<MessageId, MessageMetadata>,
2897 messages: impl Iterator<Item = (usize, &'a MessageAnchor)> + 'a,
2898 ) -> impl 'a + Iterator<Item = Message> {
2899 let mut messages = messages.peekable();
2900
2901 iter::from_fn(move || {
2902 if let Some((start_ix, message_anchor)) = messages.next() {
2903 let metadata = metadata.get(&message_anchor.id)?;
2904
2905 let message_start = message_anchor.start.to_offset(buffer);
2906 let mut message_end = None;
2907 let mut end_ix = start_ix;
2908 while let Some((_, next_message)) = messages.peek() {
2909 if next_message.start.is_valid(buffer) {
2910 message_end = Some(next_message.start);
2911 break;
2912 } else {
2913 end_ix += 1;
2914 messages.next();
2915 }
2916 }
2917 let message_end_anchor = message_end.unwrap_or(language::Anchor::MAX);
2918 let message_end = message_end_anchor.to_offset(buffer);
2919
2920 return Some(Message {
2921 index_range: start_ix..end_ix,
2922 offset_range: message_start..message_end,
2923 anchor_range: message_anchor.start..message_end_anchor,
2924 id: message_anchor.id,
2925 role: metadata.role,
2926 status: metadata.status.clone(),
2927 cache: metadata.cache.clone(),
2928 });
2929 }
2930 None
2931 })
2932 }
2933
2934 pub fn save(
2935 &mut self,
2936 debounce: Option<Duration>,
2937 fs: Arc<dyn Fs>,
2938 cx: &mut Context<AssistantContext>,
2939 ) {
2940 if self.replica_id() != ReplicaId::default() {
2941 // Prevent saving a remote context for now.
2942 return;
2943 }
2944
2945 self.pending_save = cx.spawn(|this, mut cx| async move {
2946 if let Some(debounce) = debounce {
2947 cx.background_executor().timer(debounce).await;
2948 }
2949
2950 let (old_path, summary) = this.read_with(&cx, |this, _| {
2951 let path = this.path.clone();
2952 let summary = if let Some(summary) = this.summary.as_ref() {
2953 if summary.done {
2954 Some(summary.text.clone())
2955 } else {
2956 None
2957 }
2958 } else {
2959 None
2960 };
2961 (path, summary)
2962 })?;
2963
2964 if let Some(summary) = summary {
2965 let context = this.read_with(&cx, |this, cx| this.serialize(cx))?;
2966 let mut discriminant = 1;
2967 let mut new_path;
2968 loop {
2969 new_path = contexts_dir().join(&format!(
2970 "{} - {}.zed.json",
2971 summary.trim(),
2972 discriminant
2973 ));
2974 if fs.is_file(&new_path).await {
2975 discriminant += 1;
2976 } else {
2977 break;
2978 }
2979 }
2980
2981 fs.create_dir(contexts_dir().as_ref()).await?;
2982 fs.atomic_write(new_path.clone(), serde_json::to_string(&context).unwrap())
2983 .await?;
2984 if let Some(old_path) = old_path {
2985 if new_path != old_path {
2986 fs.remove_file(
2987 &old_path,
2988 RemoveOptions {
2989 recursive: false,
2990 ignore_if_not_exists: true,
2991 },
2992 )
2993 .await?;
2994 }
2995 }
2996
2997 this.update(&mut cx, |this, _| this.path = Some(new_path))?;
2998 }
2999
3000 Ok(())
3001 });
3002 }
3003
3004 pub fn custom_summary(&mut self, custom_summary: String, cx: &mut Context<Self>) {
3005 let timestamp = self.next_timestamp();
3006 let summary = self.summary.get_or_insert(ContextSummary::default());
3007 summary.timestamp = timestamp;
3008 summary.done = true;
3009 summary.text = custom_summary;
3010 cx.emit(ContextEvent::SummaryChanged);
3011 }
3012}
3013
3014fn trimmed_text_in_range(buffer: &BufferSnapshot, range: Range<text::Anchor>) -> String {
3015 let mut is_start = true;
3016 let mut content = buffer
3017 .text_for_range(range)
3018 .map(|mut chunk| {
3019 if is_start {
3020 chunk = chunk.trim_start_matches('\n');
3021 if !chunk.is_empty() {
3022 is_start = false;
3023 }
3024 }
3025 chunk
3026 })
3027 .collect::<String>();
3028 content.truncate(content.trim_end().len());
3029 content
3030}
3031
3032#[derive(Debug, Default)]
3033pub struct ContextVersion {
3034 context: clock::Global,
3035 buffer: clock::Global,
3036}
3037
3038impl ContextVersion {
3039 pub fn from_proto(proto: &proto::ContextVersion) -> Self {
3040 Self {
3041 context: language::proto::deserialize_version(&proto.context_version),
3042 buffer: language::proto::deserialize_version(&proto.buffer_version),
3043 }
3044 }
3045
3046 pub fn to_proto(&self, context_id: ContextId) -> proto::ContextVersion {
3047 proto::ContextVersion {
3048 context_id: context_id.to_proto(),
3049 context_version: language::proto::serialize_version(&self.context),
3050 buffer_version: language::proto::serialize_version(&self.buffer),
3051 }
3052 }
3053}
3054
3055#[derive(Debug, Clone)]
3056pub struct ParsedSlashCommand {
3057 pub name: String,
3058 pub arguments: SmallVec<[String; 3]>,
3059 pub status: PendingSlashCommandStatus,
3060 pub source_range: Range<language::Anchor>,
3061}
3062
3063#[derive(Debug)]
3064pub struct InvokedSlashCommand {
3065 pub name: SharedString,
3066 pub range: Range<language::Anchor>,
3067 pub run_commands_in_ranges: Vec<Range<language::Anchor>>,
3068 pub status: InvokedSlashCommandStatus,
3069 pub transaction: Option<language::TransactionId>,
3070 timestamp: clock::Lamport,
3071}
3072
3073#[derive(Debug)]
3074pub enum InvokedSlashCommandStatus {
3075 Running(Task<()>),
3076 Error(SharedString),
3077 Finished,
3078}
3079
3080#[derive(Debug, Clone)]
3081pub enum PendingSlashCommandStatus {
3082 Idle,
3083 Running { _task: Shared<Task<()>> },
3084 Error(String),
3085}
3086
3087#[derive(Debug, Clone)]
3088pub struct PendingToolUse {
3089 pub id: LanguageModelToolUseId,
3090 pub name: String,
3091 pub input: serde_json::Value,
3092 pub status: PendingToolUseStatus,
3093 pub source_range: Range<language::Anchor>,
3094}
3095
3096#[derive(Debug, Clone)]
3097pub enum PendingToolUseStatus {
3098 Idle,
3099 Running { _task: Shared<Task<()>> },
3100 Error(String),
3101}
3102
3103impl PendingToolUseStatus {
3104 pub fn is_idle(&self) -> bool {
3105 matches!(self, PendingToolUseStatus::Idle)
3106 }
3107}
3108
3109#[derive(Serialize, Deserialize)]
3110pub struct SavedMessage {
3111 pub id: MessageId,
3112 pub start: usize,
3113 pub metadata: MessageMetadata,
3114}
3115
3116#[derive(Serialize, Deserialize)]
3117pub struct SavedContext {
3118 pub id: Option<ContextId>,
3119 pub zed: String,
3120 pub version: String,
3121 pub text: String,
3122 pub messages: Vec<SavedMessage>,
3123 pub summary: String,
3124 pub slash_command_output_sections:
3125 Vec<assistant_slash_command::SlashCommandOutputSection<usize>>,
3126}
3127
3128impl SavedContext {
3129 pub const VERSION: &'static str = "0.4.0";
3130
3131 pub fn from_json(json: &str) -> Result<Self> {
3132 let saved_context_json = serde_json::from_str::<serde_json::Value>(json)?;
3133 match saved_context_json
3134 .get("version")
3135 .ok_or_else(|| anyhow!("version not found"))?
3136 {
3137 serde_json::Value::String(version) => match version.as_str() {
3138 SavedContext::VERSION => {
3139 Ok(serde_json::from_value::<SavedContext>(saved_context_json)?)
3140 }
3141 SavedContextV0_3_0::VERSION => {
3142 let saved_context =
3143 serde_json::from_value::<SavedContextV0_3_0>(saved_context_json)?;
3144 Ok(saved_context.upgrade())
3145 }
3146 SavedContextV0_2_0::VERSION => {
3147 let saved_context =
3148 serde_json::from_value::<SavedContextV0_2_0>(saved_context_json)?;
3149 Ok(saved_context.upgrade())
3150 }
3151 SavedContextV0_1_0::VERSION => {
3152 let saved_context =
3153 serde_json::from_value::<SavedContextV0_1_0>(saved_context_json)?;
3154 Ok(saved_context.upgrade())
3155 }
3156 _ => Err(anyhow!("unrecognized saved context version: {}", version)),
3157 },
3158 _ => Err(anyhow!("version not found on saved context")),
3159 }
3160 }
3161
3162 fn into_ops(
3163 self,
3164 buffer: &Entity<Buffer>,
3165 cx: &mut Context<AssistantContext>,
3166 ) -> Vec<ContextOperation> {
3167 let mut operations = Vec::new();
3168 let mut version = clock::Global::new();
3169 let mut next_timestamp = clock::Lamport::new(ReplicaId::default());
3170
3171 let mut first_message_metadata = None;
3172 for message in self.messages {
3173 if message.id == MessageId(clock::Lamport::default()) {
3174 first_message_metadata = Some(message.metadata);
3175 } else {
3176 operations.push(ContextOperation::InsertMessage {
3177 anchor: MessageAnchor {
3178 id: message.id,
3179 start: buffer.read(cx).anchor_before(message.start),
3180 },
3181 metadata: MessageMetadata {
3182 role: message.metadata.role,
3183 status: message.metadata.status,
3184 timestamp: message.metadata.timestamp,
3185 cache: None,
3186 },
3187 version: version.clone(),
3188 });
3189 version.observe(message.id.0);
3190 next_timestamp.observe(message.id.0);
3191 }
3192 }
3193
3194 if let Some(metadata) = first_message_metadata {
3195 let timestamp = next_timestamp.tick();
3196 operations.push(ContextOperation::UpdateMessage {
3197 message_id: MessageId(clock::Lamport::default()),
3198 metadata: MessageMetadata {
3199 role: metadata.role,
3200 status: metadata.status,
3201 timestamp,
3202 cache: None,
3203 },
3204 version: version.clone(),
3205 });
3206 version.observe(timestamp);
3207 }
3208
3209 let buffer = buffer.read(cx);
3210 for section in self.slash_command_output_sections {
3211 let timestamp = next_timestamp.tick();
3212 operations.push(ContextOperation::SlashCommandOutputSectionAdded {
3213 timestamp,
3214 section: SlashCommandOutputSection {
3215 range: buffer.anchor_after(section.range.start)
3216 ..buffer.anchor_before(section.range.end),
3217 icon: section.icon,
3218 label: section.label,
3219 metadata: section.metadata,
3220 },
3221 version: version.clone(),
3222 });
3223
3224 version.observe(timestamp);
3225 }
3226
3227 let timestamp = next_timestamp.tick();
3228 operations.push(ContextOperation::UpdateSummary {
3229 summary: ContextSummary {
3230 text: self.summary,
3231 done: true,
3232 timestamp,
3233 },
3234 version: version.clone(),
3235 });
3236 version.observe(timestamp);
3237
3238 operations
3239 }
3240}
3241
3242#[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
3243struct SavedMessageIdPreV0_4_0(usize);
3244
3245#[derive(Serialize, Deserialize)]
3246struct SavedMessagePreV0_4_0 {
3247 id: SavedMessageIdPreV0_4_0,
3248 start: usize,
3249}
3250
3251#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
3252struct SavedMessageMetadataPreV0_4_0 {
3253 role: Role,
3254 status: MessageStatus,
3255}
3256
3257#[derive(Serialize, Deserialize)]
3258struct SavedContextV0_3_0 {
3259 id: Option<ContextId>,
3260 zed: String,
3261 version: String,
3262 text: String,
3263 messages: Vec<SavedMessagePreV0_4_0>,
3264 message_metadata: HashMap<SavedMessageIdPreV0_4_0, SavedMessageMetadataPreV0_4_0>,
3265 summary: String,
3266 slash_command_output_sections: Vec<assistant_slash_command::SlashCommandOutputSection<usize>>,
3267}
3268
3269impl SavedContextV0_3_0 {
3270 const VERSION: &'static str = "0.3.0";
3271
3272 fn upgrade(self) -> SavedContext {
3273 SavedContext {
3274 id: self.id,
3275 zed: self.zed,
3276 version: SavedContext::VERSION.into(),
3277 text: self.text,
3278 messages: self
3279 .messages
3280 .into_iter()
3281 .filter_map(|message| {
3282 let metadata = self.message_metadata.get(&message.id)?;
3283 let timestamp = clock::Lamport {
3284 replica_id: ReplicaId::default(),
3285 value: message.id.0 as u32,
3286 };
3287 Some(SavedMessage {
3288 id: MessageId(timestamp),
3289 start: message.start,
3290 metadata: MessageMetadata {
3291 role: metadata.role,
3292 status: metadata.status.clone(),
3293 timestamp,
3294 cache: None,
3295 },
3296 })
3297 })
3298 .collect(),
3299 summary: self.summary,
3300 slash_command_output_sections: self.slash_command_output_sections,
3301 }
3302 }
3303}
3304
3305#[derive(Serialize, Deserialize)]
3306struct SavedContextV0_2_0 {
3307 id: Option<ContextId>,
3308 zed: String,
3309 version: String,
3310 text: String,
3311 messages: Vec<SavedMessagePreV0_4_0>,
3312 message_metadata: HashMap<SavedMessageIdPreV0_4_0, SavedMessageMetadataPreV0_4_0>,
3313 summary: String,
3314}
3315
3316impl SavedContextV0_2_0 {
3317 const VERSION: &'static str = "0.2.0";
3318
3319 fn upgrade(self) -> SavedContext {
3320 SavedContextV0_3_0 {
3321 id: self.id,
3322 zed: self.zed,
3323 version: SavedContextV0_3_0::VERSION.to_string(),
3324 text: self.text,
3325 messages: self.messages,
3326 message_metadata: self.message_metadata,
3327 summary: self.summary,
3328 slash_command_output_sections: Vec::new(),
3329 }
3330 .upgrade()
3331 }
3332}
3333
3334#[derive(Serialize, Deserialize)]
3335struct SavedContextV0_1_0 {
3336 id: Option<ContextId>,
3337 zed: String,
3338 version: String,
3339 text: String,
3340 messages: Vec<SavedMessagePreV0_4_0>,
3341 message_metadata: HashMap<SavedMessageIdPreV0_4_0, SavedMessageMetadataPreV0_4_0>,
3342 summary: String,
3343 api_url: Option<String>,
3344 model: OpenAiModel,
3345}
3346
3347impl SavedContextV0_1_0 {
3348 const VERSION: &'static str = "0.1.0";
3349
3350 fn upgrade(self) -> SavedContext {
3351 SavedContextV0_2_0 {
3352 id: self.id,
3353 zed: self.zed,
3354 version: SavedContextV0_2_0::VERSION.to_string(),
3355 text: self.text,
3356 messages: self.messages,
3357 message_metadata: self.message_metadata,
3358 summary: self.summary,
3359 }
3360 .upgrade()
3361 }
3362}
3363
3364#[derive(Clone)]
3365pub struct SavedContextMetadata {
3366 pub title: String,
3367 pub path: PathBuf,
3368 pub mtime: chrono::DateTime<chrono::Local>,
3369}