1#[cfg(test)]
2mod context_tests;
3
4use crate::{
5 prompts::PromptBuilder, slash_command::SlashCommandLine, MessageId, MessageStatus,
6 WorkflowStep, WorkflowStepEdit, WorkflowStepResolution, WorkflowSuggestionGroup,
7};
8use anyhow::{anyhow, Context as _, Result};
9use assistant_slash_command::{
10 SlashCommandOutput, SlashCommandOutputSection, SlashCommandRegistry,
11};
12use assistant_tool::ToolRegistry;
13use client::{self, proto, telemetry::Telemetry};
14use clock::ReplicaId;
15use collections::{HashMap, HashSet};
16use feature_flags::{FeatureFlag, FeatureFlagAppExt};
17use fs::{Fs, RemoveOptions};
18use futures::{
19 future::{self, Shared},
20 FutureExt, StreamExt,
21};
22use gpui::{
23 AppContext, AsyncAppContext, Context as _, EventEmitter, Model, ModelContext, RenderImage,
24 SharedString, Subscription, Task,
25};
26
27use language::{AnchorRangeExt, Bias, Buffer, LanguageRegistry, OffsetRangeExt, Point, ToOffset};
28use language_model::{
29 LanguageModel, LanguageModelCacheConfiguration, LanguageModelCompletionEvent,
30 LanguageModelImage, LanguageModelRegistry, LanguageModelRequest, LanguageModelRequestMessage,
31 LanguageModelRequestTool, LanguageModelToolResult, LanguageModelToolUse, MessageContent, Role,
32 StopReason,
33};
34use open_ai::Model as OpenAiModel;
35use paths::contexts_dir;
36use project::Project;
37use serde::{Deserialize, Serialize};
38use smallvec::SmallVec;
39use std::{
40 cmp::{self, max, Ordering},
41 fmt::Debug,
42 iter, mem,
43 ops::Range,
44 path::{Path, PathBuf},
45 str::FromStr as _,
46 sync::Arc,
47 time::{Duration, Instant},
48};
49use telemetry_events::AssistantKind;
50use text::BufferSnapshot;
51use util::{post_inc, ResultExt, TryFutureExt};
52use uuid::Uuid;
53
54#[derive(Clone, Eq, PartialEq, Hash, PartialOrd, Ord, Serialize, Deserialize)]
55pub struct ContextId(String);
56
57impl ContextId {
58 pub fn new() -> Self {
59 Self(Uuid::new_v4().to_string())
60 }
61
62 pub fn from_proto(id: String) -> Self {
63 Self(id)
64 }
65
66 pub fn to_proto(&self) -> String {
67 self.0.clone()
68 }
69}
70
71#[derive(Clone, Debug)]
72pub enum ContextOperation {
73 InsertMessage {
74 anchor: MessageAnchor,
75 metadata: MessageMetadata,
76 version: clock::Global,
77 },
78 UpdateMessage {
79 message_id: MessageId,
80 metadata: MessageMetadata,
81 version: clock::Global,
82 },
83 UpdateSummary {
84 summary: ContextSummary,
85 version: clock::Global,
86 },
87 SlashCommandFinished {
88 id: SlashCommandId,
89 output_range: Range<language::Anchor>,
90 sections: Vec<SlashCommandOutputSection<language::Anchor>>,
91 version: clock::Global,
92 },
93 BufferOperation(language::Operation),
94}
95
96impl ContextOperation {
97 pub fn from_proto(op: proto::ContextOperation) -> Result<Self> {
98 match op.variant.context("invalid variant")? {
99 proto::context_operation::Variant::InsertMessage(insert) => {
100 let message = insert.message.context("invalid message")?;
101 let id = MessageId(language::proto::deserialize_timestamp(
102 message.id.context("invalid id")?,
103 ));
104 Ok(Self::InsertMessage {
105 anchor: MessageAnchor {
106 id,
107 start: language::proto::deserialize_anchor(
108 message.start.context("invalid anchor")?,
109 )
110 .context("invalid anchor")?,
111 },
112 metadata: MessageMetadata {
113 role: Role::from_proto(message.role),
114 status: MessageStatus::from_proto(
115 message.status.context("invalid status")?,
116 ),
117 timestamp: id.0,
118 cache: None,
119 },
120 version: language::proto::deserialize_version(&insert.version),
121 })
122 }
123 proto::context_operation::Variant::UpdateMessage(update) => Ok(Self::UpdateMessage {
124 message_id: MessageId(language::proto::deserialize_timestamp(
125 update.message_id.context("invalid message id")?,
126 )),
127 metadata: MessageMetadata {
128 role: Role::from_proto(update.role),
129 status: MessageStatus::from_proto(update.status.context("invalid status")?),
130 timestamp: language::proto::deserialize_timestamp(
131 update.timestamp.context("invalid timestamp")?,
132 ),
133 cache: None,
134 },
135 version: language::proto::deserialize_version(&update.version),
136 }),
137 proto::context_operation::Variant::UpdateSummary(update) => Ok(Self::UpdateSummary {
138 summary: ContextSummary {
139 text: update.summary,
140 done: update.done,
141 timestamp: language::proto::deserialize_timestamp(
142 update.timestamp.context("invalid timestamp")?,
143 ),
144 },
145 version: language::proto::deserialize_version(&update.version),
146 }),
147 proto::context_operation::Variant::SlashCommandFinished(finished) => {
148 Ok(Self::SlashCommandFinished {
149 id: SlashCommandId(language::proto::deserialize_timestamp(
150 finished.id.context("invalid id")?,
151 )),
152 output_range: language::proto::deserialize_anchor_range(
153 finished.output_range.context("invalid range")?,
154 )?,
155 sections: finished
156 .sections
157 .into_iter()
158 .map(|section| {
159 Ok(SlashCommandOutputSection {
160 range: language::proto::deserialize_anchor_range(
161 section.range.context("invalid range")?,
162 )?,
163 icon: section.icon_name.parse()?,
164 label: section.label.into(),
165 metadata: section
166 .metadata
167 .and_then(|metadata| serde_json::from_str(&metadata).log_err()),
168 })
169 })
170 .collect::<Result<Vec<_>>>()?,
171 version: language::proto::deserialize_version(&finished.version),
172 })
173 }
174 proto::context_operation::Variant::BufferOperation(op) => Ok(Self::BufferOperation(
175 language::proto::deserialize_operation(
176 op.operation.context("invalid buffer operation")?,
177 )?,
178 )),
179 }
180 }
181
182 pub fn to_proto(&self) -> proto::ContextOperation {
183 match self {
184 Self::InsertMessage {
185 anchor,
186 metadata,
187 version,
188 } => proto::ContextOperation {
189 variant: Some(proto::context_operation::Variant::InsertMessage(
190 proto::context_operation::InsertMessage {
191 message: Some(proto::ContextMessage {
192 id: Some(language::proto::serialize_timestamp(anchor.id.0)),
193 start: Some(language::proto::serialize_anchor(&anchor.start)),
194 role: metadata.role.to_proto() as i32,
195 status: Some(metadata.status.to_proto()),
196 }),
197 version: language::proto::serialize_version(version),
198 },
199 )),
200 },
201 Self::UpdateMessage {
202 message_id,
203 metadata,
204 version,
205 } => proto::ContextOperation {
206 variant: Some(proto::context_operation::Variant::UpdateMessage(
207 proto::context_operation::UpdateMessage {
208 message_id: Some(language::proto::serialize_timestamp(message_id.0)),
209 role: metadata.role.to_proto() as i32,
210 status: Some(metadata.status.to_proto()),
211 timestamp: Some(language::proto::serialize_timestamp(metadata.timestamp)),
212 version: language::proto::serialize_version(version),
213 },
214 )),
215 },
216 Self::UpdateSummary { summary, version } => proto::ContextOperation {
217 variant: Some(proto::context_operation::Variant::UpdateSummary(
218 proto::context_operation::UpdateSummary {
219 summary: summary.text.clone(),
220 done: summary.done,
221 timestamp: Some(language::proto::serialize_timestamp(summary.timestamp)),
222 version: language::proto::serialize_version(version),
223 },
224 )),
225 },
226 Self::SlashCommandFinished {
227 id,
228 output_range,
229 sections,
230 version,
231 } => proto::ContextOperation {
232 variant: Some(proto::context_operation::Variant::SlashCommandFinished(
233 proto::context_operation::SlashCommandFinished {
234 id: Some(language::proto::serialize_timestamp(id.0)),
235 output_range: Some(language::proto::serialize_anchor_range(
236 output_range.clone(),
237 )),
238 sections: sections
239 .iter()
240 .map(|section| {
241 let icon_name: &'static str = section.icon.into();
242 proto::SlashCommandOutputSection {
243 range: Some(language::proto::serialize_anchor_range(
244 section.range.clone(),
245 )),
246 icon_name: icon_name.to_string(),
247 label: section.label.to_string(),
248 metadata: section.metadata.as_ref().and_then(|metadata| {
249 serde_json::to_string(metadata).log_err()
250 }),
251 }
252 })
253 .collect(),
254 version: language::proto::serialize_version(version),
255 },
256 )),
257 },
258 Self::BufferOperation(operation) => proto::ContextOperation {
259 variant: Some(proto::context_operation::Variant::BufferOperation(
260 proto::context_operation::BufferOperation {
261 operation: Some(language::proto::serialize_operation(operation)),
262 },
263 )),
264 },
265 }
266 }
267
268 fn timestamp(&self) -> clock::Lamport {
269 match self {
270 Self::InsertMessage { anchor, .. } => anchor.id.0,
271 Self::UpdateMessage { metadata, .. } => metadata.timestamp,
272 Self::UpdateSummary { summary, .. } => summary.timestamp,
273 Self::SlashCommandFinished { id, .. } => id.0,
274 Self::BufferOperation(_) => {
275 panic!("reading the timestamp of a buffer operation is not supported")
276 }
277 }
278 }
279
280 /// Returns the current version of the context operation.
281 pub fn version(&self) -> &clock::Global {
282 match self {
283 Self::InsertMessage { version, .. }
284 | Self::UpdateMessage { version, .. }
285 | Self::UpdateSummary { version, .. }
286 | Self::SlashCommandFinished { version, .. } => version,
287 Self::BufferOperation(_) => {
288 panic!("reading the version of a buffer operation is not supported")
289 }
290 }
291 }
292}
293
294#[derive(Debug, Clone)]
295pub enum ContextEvent {
296 ShowAssistError(SharedString),
297 MessagesEdited,
298 SummaryChanged,
299 StreamedCompletion,
300 WorkflowStepsUpdated {
301 removed: Vec<Range<language::Anchor>>,
302 updated: Vec<Range<language::Anchor>>,
303 },
304 PendingSlashCommandsUpdated {
305 removed: Vec<Range<language::Anchor>>,
306 updated: Vec<PendingSlashCommand>,
307 },
308 SlashCommandFinished {
309 output_range: Range<language::Anchor>,
310 sections: Vec<SlashCommandOutputSection<language::Anchor>>,
311 run_commands_in_output: bool,
312 expand_result: bool,
313 },
314 UsePendingTools,
315 ToolFinished {
316 tool_use_id: Arc<str>,
317 output_range: Range<language::Anchor>,
318 },
319 Operation(ContextOperation),
320}
321
322#[derive(Clone, Default, Debug)]
323pub struct ContextSummary {
324 pub text: String,
325 done: bool,
326 timestamp: clock::Lamport,
327}
328
329#[derive(Clone, Debug, Eq, PartialEq)]
330pub struct MessageAnchor {
331 pub id: MessageId,
332 pub start: language::Anchor,
333}
334
335#[derive(Clone, Debug, Eq, PartialEq)]
336pub enum CacheStatus {
337 Pending,
338 Cached,
339}
340
341#[derive(Clone, Debug, Eq, PartialEq)]
342pub struct MessageCacheMetadata {
343 pub is_anchor: bool,
344 pub is_final_anchor: bool,
345 pub status: CacheStatus,
346 pub cached_at: clock::Global,
347}
348
349#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
350pub struct MessageMetadata {
351 pub role: Role,
352 pub status: MessageStatus,
353 pub(crate) timestamp: clock::Lamport,
354 #[serde(skip)]
355 pub cache: Option<MessageCacheMetadata>,
356}
357
358impl From<&Message> for MessageMetadata {
359 fn from(message: &Message) -> Self {
360 Self {
361 role: message.role,
362 status: message.status.clone(),
363 timestamp: message.id.0,
364 cache: message.cache.clone(),
365 }
366 }
367}
368
369impl MessageMetadata {
370 pub fn is_cache_valid(&self, buffer: &BufferSnapshot, range: &Range<usize>) -> bool {
371 let result = match &self.cache {
372 Some(MessageCacheMetadata { cached_at, .. }) => !buffer.has_edits_since_in_range(
373 &cached_at,
374 Range {
375 start: buffer.anchor_at(range.start, Bias::Right),
376 end: buffer.anchor_at(range.end, Bias::Left),
377 },
378 ),
379 _ => false,
380 };
381 result
382 }
383}
384
385#[derive(Clone, Debug)]
386pub struct Message {
387 pub offset_range: Range<usize>,
388 pub index_range: Range<usize>,
389 pub anchor_range: Range<language::Anchor>,
390 pub id: MessageId,
391 pub role: Role,
392 pub status: MessageStatus,
393 pub cache: Option<MessageCacheMetadata>,
394}
395
396#[derive(Debug, Clone)]
397pub enum Content {
398 Image {
399 anchor: language::Anchor,
400 image_id: u64,
401 render_image: Arc<RenderImage>,
402 image: Shared<Task<Option<LanguageModelImage>>>,
403 },
404 ToolUse {
405 range: Range<language::Anchor>,
406 tool_use: LanguageModelToolUse,
407 },
408 ToolResult {
409 range: Range<language::Anchor>,
410 tool_use_id: Arc<str>,
411 },
412}
413
414impl Content {
415 fn range(&self) -> Range<language::Anchor> {
416 match self {
417 Self::Image { anchor, .. } => *anchor..*anchor,
418 Self::ToolUse { range, .. } | Self::ToolResult { range, .. } => range.clone(),
419 }
420 }
421
422 fn cmp(&self, other: &Self, buffer: &BufferSnapshot) -> Ordering {
423 let self_range = self.range();
424 let other_range = other.range();
425 if self_range.end.cmp(&other_range.start, buffer).is_lt() {
426 Ordering::Less
427 } else if self_range.start.cmp(&other_range.end, buffer).is_gt() {
428 Ordering::Greater
429 } else {
430 Ordering::Equal
431 }
432 }
433}
434
435struct PendingCompletion {
436 id: usize,
437 assistant_message_id: MessageId,
438 _task: Task<()>,
439}
440
441#[derive(Copy, Clone, Debug, Hash, Eq, PartialEq)]
442pub struct SlashCommandId(clock::Lamport);
443
444#[derive(Clone, Debug)]
445pub struct XmlTag {
446 pub kind: XmlTagKind,
447 pub range: Range<text::Anchor>,
448 pub is_open_tag: bool,
449}
450
451#[derive(Copy, Clone, Debug, strum::EnumString, PartialEq, Eq, strum::AsRefStr)]
452#[strum(serialize_all = "snake_case")]
453pub enum XmlTagKind {
454 Step,
455 Edit,
456 Path,
457 Search,
458 Within,
459 Operation,
460 Description,
461}
462
463pub struct Context {
464 id: ContextId,
465 timestamp: clock::Lamport,
466 version: clock::Global,
467 pending_ops: Vec<ContextOperation>,
468 operations: Vec<ContextOperation>,
469 buffer: Model<Buffer>,
470 pending_slash_commands: Vec<PendingSlashCommand>,
471 edits_since_last_parse: language::Subscription,
472 finished_slash_commands: HashSet<SlashCommandId>,
473 slash_command_output_sections: Vec<SlashCommandOutputSection<language::Anchor>>,
474 pending_tool_uses_by_id: HashMap<Arc<str>, PendingToolUse>,
475 message_anchors: Vec<MessageAnchor>,
476 contents: Vec<Content>,
477 messages_metadata: HashMap<MessageId, MessageMetadata>,
478 summary: Option<ContextSummary>,
479 pending_summary: Task<Option<()>>,
480 completion_count: usize,
481 pending_completions: Vec<PendingCompletion>,
482 token_count: Option<usize>,
483 pending_token_count: Task<Option<()>>,
484 pending_save: Task<Result<()>>,
485 pending_cache_warming_task: Task<Option<()>>,
486 path: Option<PathBuf>,
487 _subscriptions: Vec<Subscription>,
488 telemetry: Option<Arc<Telemetry>>,
489 language_registry: Arc<LanguageRegistry>,
490 workflow_steps: Vec<WorkflowStep>,
491 xml_tags: Vec<XmlTag>,
492 project: Option<Model<Project>>,
493 prompt_builder: Arc<PromptBuilder>,
494}
495
496trait ContextAnnotation {
497 fn range(&self) -> &Range<language::Anchor>;
498}
499
500impl ContextAnnotation for PendingSlashCommand {
501 fn range(&self) -> &Range<language::Anchor> {
502 &self.source_range
503 }
504}
505
506impl ContextAnnotation for WorkflowStep {
507 fn range(&self) -> &Range<language::Anchor> {
508 &self.range
509 }
510}
511
512impl ContextAnnotation for XmlTag {
513 fn range(&self) -> &Range<language::Anchor> {
514 &self.range
515 }
516}
517
518impl EventEmitter<ContextEvent> for Context {}
519
520impl Context {
521 pub fn local(
522 language_registry: Arc<LanguageRegistry>,
523 project: Option<Model<Project>>,
524 telemetry: Option<Arc<Telemetry>>,
525 prompt_builder: Arc<PromptBuilder>,
526 cx: &mut ModelContext<Self>,
527 ) -> Self {
528 Self::new(
529 ContextId::new(),
530 ReplicaId::default(),
531 language::Capability::ReadWrite,
532 language_registry,
533 prompt_builder,
534 project,
535 telemetry,
536 cx,
537 )
538 }
539
540 #[allow(clippy::too_many_arguments)]
541 pub fn new(
542 id: ContextId,
543 replica_id: ReplicaId,
544 capability: language::Capability,
545 language_registry: Arc<LanguageRegistry>,
546 prompt_builder: Arc<PromptBuilder>,
547 project: Option<Model<Project>>,
548 telemetry: Option<Arc<Telemetry>>,
549 cx: &mut ModelContext<Self>,
550 ) -> Self {
551 let buffer = cx.new_model(|_cx| {
552 let mut buffer = Buffer::remote(
553 language::BufferId::new(1).unwrap(),
554 replica_id,
555 capability,
556 "",
557 );
558 buffer.set_language_registry(language_registry.clone());
559 buffer
560 });
561 let edits_since_last_slash_command_parse =
562 buffer.update(cx, |buffer, _| buffer.subscribe());
563 let mut this = Self {
564 id,
565 timestamp: clock::Lamport::new(replica_id),
566 version: clock::Global::new(),
567 pending_ops: Vec::new(),
568 operations: Vec::new(),
569 message_anchors: Default::default(),
570 contents: Default::default(),
571 messages_metadata: Default::default(),
572 pending_slash_commands: Vec::new(),
573 finished_slash_commands: HashSet::default(),
574 pending_tool_uses_by_id: HashMap::default(),
575 slash_command_output_sections: Vec::new(),
576 edits_since_last_parse: edits_since_last_slash_command_parse,
577 summary: None,
578 pending_summary: Task::ready(None),
579 completion_count: Default::default(),
580 pending_completions: Default::default(),
581 token_count: None,
582 pending_token_count: Task::ready(None),
583 pending_cache_warming_task: Task::ready(None),
584 _subscriptions: vec![cx.subscribe(&buffer, Self::handle_buffer_event)],
585 pending_save: Task::ready(Ok(())),
586 path: None,
587 buffer,
588 telemetry,
589 project,
590 language_registry,
591 workflow_steps: Vec::new(),
592 xml_tags: Vec::new(),
593 prompt_builder,
594 };
595
596 let first_message_id = MessageId(clock::Lamport {
597 replica_id: 0,
598 value: 0,
599 });
600 let message = MessageAnchor {
601 id: first_message_id,
602 start: language::Anchor::MIN,
603 };
604 this.messages_metadata.insert(
605 first_message_id,
606 MessageMetadata {
607 role: Role::User,
608 status: MessageStatus::Done,
609 timestamp: first_message_id.0,
610 cache: None,
611 },
612 );
613 this.message_anchors.push(message);
614
615 this.set_language(cx);
616 this.count_remaining_tokens(cx);
617 this
618 }
619
620 pub(crate) fn serialize(&self, cx: &AppContext) -> SavedContext {
621 let buffer = self.buffer.read(cx);
622 SavedContext {
623 id: Some(self.id.clone()),
624 zed: "context".into(),
625 version: SavedContext::VERSION.into(),
626 text: buffer.text(),
627 messages: self
628 .messages(cx)
629 .map(|message| SavedMessage {
630 id: message.id,
631 start: message.offset_range.start,
632 metadata: self.messages_metadata[&message.id].clone(),
633 })
634 .collect(),
635 summary: self
636 .summary
637 .as_ref()
638 .map(|summary| summary.text.clone())
639 .unwrap_or_default(),
640 slash_command_output_sections: self
641 .slash_command_output_sections
642 .iter()
643 .filter_map(|section| {
644 if section.is_valid(buffer) {
645 let range = section.range.to_offset(buffer);
646 Some(assistant_slash_command::SlashCommandOutputSection {
647 range,
648 icon: section.icon,
649 label: section.label.clone(),
650 metadata: section.metadata.clone(),
651 })
652 } else {
653 None
654 }
655 })
656 .collect(),
657 }
658 }
659
660 #[allow(clippy::too_many_arguments)]
661 pub fn deserialize(
662 saved_context: SavedContext,
663 path: PathBuf,
664 language_registry: Arc<LanguageRegistry>,
665 prompt_builder: Arc<PromptBuilder>,
666 project: Option<Model<Project>>,
667 telemetry: Option<Arc<Telemetry>>,
668 cx: &mut ModelContext<Self>,
669 ) -> Self {
670 let id = saved_context.id.clone().unwrap_or_else(ContextId::new);
671 let mut this = Self::new(
672 id,
673 ReplicaId::default(),
674 language::Capability::ReadWrite,
675 language_registry,
676 prompt_builder,
677 project,
678 telemetry,
679 cx,
680 );
681 this.path = Some(path);
682 this.buffer.update(cx, |buffer, cx| {
683 buffer.set_text(saved_context.text.as_str(), cx)
684 });
685 let operations = saved_context.into_ops(&this.buffer, cx);
686 this.apply_ops(operations, cx).unwrap();
687 this
688 }
689
690 pub fn id(&self) -> &ContextId {
691 &self.id
692 }
693
694 pub fn replica_id(&self) -> ReplicaId {
695 self.timestamp.replica_id
696 }
697
698 pub fn version(&self, cx: &AppContext) -> ContextVersion {
699 ContextVersion {
700 context: self.version.clone(),
701 buffer: self.buffer.read(cx).version(),
702 }
703 }
704
705 pub fn set_capability(
706 &mut self,
707 capability: language::Capability,
708 cx: &mut ModelContext<Self>,
709 ) {
710 self.buffer
711 .update(cx, |buffer, cx| buffer.set_capability(capability, cx));
712 }
713
714 fn next_timestamp(&mut self) -> clock::Lamport {
715 let timestamp = self.timestamp.tick();
716 self.version.observe(timestamp);
717 timestamp
718 }
719
720 pub fn serialize_ops(
721 &self,
722 since: &ContextVersion,
723 cx: &AppContext,
724 ) -> Task<Vec<proto::ContextOperation>> {
725 let buffer_ops = self
726 .buffer
727 .read(cx)
728 .serialize_ops(Some(since.buffer.clone()), cx);
729
730 let mut context_ops = self
731 .operations
732 .iter()
733 .filter(|op| !since.context.observed(op.timestamp()))
734 .cloned()
735 .collect::<Vec<_>>();
736 context_ops.extend(self.pending_ops.iter().cloned());
737
738 cx.background_executor().spawn(async move {
739 let buffer_ops = buffer_ops.await;
740 context_ops.sort_unstable_by_key(|op| op.timestamp());
741 buffer_ops
742 .into_iter()
743 .map(|op| proto::ContextOperation {
744 variant: Some(proto::context_operation::Variant::BufferOperation(
745 proto::context_operation::BufferOperation {
746 operation: Some(op),
747 },
748 )),
749 })
750 .chain(context_ops.into_iter().map(|op| op.to_proto()))
751 .collect()
752 })
753 }
754
755 pub fn apply_ops(
756 &mut self,
757 ops: impl IntoIterator<Item = ContextOperation>,
758 cx: &mut ModelContext<Self>,
759 ) -> Result<()> {
760 let mut buffer_ops = Vec::new();
761 for op in ops {
762 match op {
763 ContextOperation::BufferOperation(buffer_op) => buffer_ops.push(buffer_op),
764 op @ _ => self.pending_ops.push(op),
765 }
766 }
767 self.buffer
768 .update(cx, |buffer, cx| buffer.apply_ops(buffer_ops, cx))?;
769 self.flush_ops(cx);
770
771 Ok(())
772 }
773
774 fn flush_ops(&mut self, cx: &mut ModelContext<Context>) {
775 let mut changed_messages = HashSet::default();
776 let mut summary_changed = false;
777
778 self.pending_ops.sort_unstable_by_key(|op| op.timestamp());
779 for op in mem::take(&mut self.pending_ops) {
780 if !self.can_apply_op(&op, cx) {
781 self.pending_ops.push(op);
782 continue;
783 }
784
785 let timestamp = op.timestamp();
786 match op.clone() {
787 ContextOperation::InsertMessage {
788 anchor, metadata, ..
789 } => {
790 if self.messages_metadata.contains_key(&anchor.id) {
791 // We already applied this operation.
792 } else {
793 changed_messages.insert(anchor.id);
794 self.insert_message(anchor, metadata, cx);
795 }
796 }
797 ContextOperation::UpdateMessage {
798 message_id,
799 metadata: new_metadata,
800 ..
801 } => {
802 let metadata = self.messages_metadata.get_mut(&message_id).unwrap();
803 if new_metadata.timestamp > metadata.timestamp {
804 *metadata = new_metadata;
805 changed_messages.insert(message_id);
806 }
807 }
808 ContextOperation::UpdateSummary {
809 summary: new_summary,
810 ..
811 } => {
812 if self
813 .summary
814 .as_ref()
815 .map_or(true, |summary| new_summary.timestamp > summary.timestamp)
816 {
817 self.summary = Some(new_summary);
818 summary_changed = true;
819 }
820 }
821 ContextOperation::SlashCommandFinished {
822 id,
823 output_range,
824 sections,
825 ..
826 } => {
827 if self.finished_slash_commands.insert(id) {
828 let buffer = self.buffer.read(cx);
829 self.slash_command_output_sections
830 .extend(sections.iter().cloned());
831 self.slash_command_output_sections
832 .sort_by(|a, b| a.range.cmp(&b.range, buffer));
833 cx.emit(ContextEvent::SlashCommandFinished {
834 output_range,
835 sections,
836 expand_result: false,
837 run_commands_in_output: false,
838 });
839 }
840 }
841 ContextOperation::BufferOperation(_) => unreachable!(),
842 }
843
844 self.version.observe(timestamp);
845 self.timestamp.observe(timestamp);
846 self.operations.push(op);
847 }
848
849 if !changed_messages.is_empty() {
850 self.message_roles_updated(changed_messages, cx);
851 cx.emit(ContextEvent::MessagesEdited);
852 cx.notify();
853 }
854
855 if summary_changed {
856 cx.emit(ContextEvent::SummaryChanged);
857 cx.notify();
858 }
859 }
860
861 fn can_apply_op(&self, op: &ContextOperation, cx: &AppContext) -> bool {
862 if !self.version.observed_all(op.version()) {
863 return false;
864 }
865
866 match op {
867 ContextOperation::InsertMessage { anchor, .. } => self
868 .buffer
869 .read(cx)
870 .version
871 .observed(anchor.start.timestamp),
872 ContextOperation::UpdateMessage { message_id, .. } => {
873 self.messages_metadata.contains_key(message_id)
874 }
875 ContextOperation::UpdateSummary { .. } => true,
876 ContextOperation::SlashCommandFinished {
877 output_range,
878 sections,
879 ..
880 } => {
881 let version = &self.buffer.read(cx).version;
882 sections
883 .iter()
884 .map(|section| §ion.range)
885 .chain([output_range])
886 .all(|range| {
887 let observed_start = range.start == language::Anchor::MIN
888 || range.start == language::Anchor::MAX
889 || version.observed(range.start.timestamp);
890 let observed_end = range.end == language::Anchor::MIN
891 || range.end == language::Anchor::MAX
892 || version.observed(range.end.timestamp);
893 observed_start && observed_end
894 })
895 }
896 ContextOperation::BufferOperation(_) => {
897 panic!("buffer operations should always be applied")
898 }
899 }
900 }
901
902 fn push_op(&mut self, op: ContextOperation, cx: &mut ModelContext<Self>) {
903 self.operations.push(op.clone());
904 cx.emit(ContextEvent::Operation(op));
905 }
906
907 pub fn buffer(&self) -> &Model<Buffer> {
908 &self.buffer
909 }
910
911 pub fn language_registry(&self) -> Arc<LanguageRegistry> {
912 self.language_registry.clone()
913 }
914
915 pub fn project(&self) -> Option<Model<Project>> {
916 self.project.clone()
917 }
918
919 pub fn prompt_builder(&self) -> Arc<PromptBuilder> {
920 self.prompt_builder.clone()
921 }
922
923 pub fn path(&self) -> Option<&Path> {
924 self.path.as_deref()
925 }
926
927 pub fn summary(&self) -> Option<&ContextSummary> {
928 self.summary.as_ref()
929 }
930
931 pub(crate) fn workflow_step_containing(
932 &self,
933 offset: usize,
934 cx: &AppContext,
935 ) -> Option<&WorkflowStep> {
936 let buffer = self.buffer.read(cx);
937 let index = self
938 .workflow_steps
939 .binary_search_by(|step| {
940 let step_range = step.range.to_offset(&buffer);
941 if offset < step_range.start {
942 Ordering::Greater
943 } else if offset > step_range.end {
944 Ordering::Less
945 } else {
946 Ordering::Equal
947 }
948 })
949 .ok()?;
950 Some(&self.workflow_steps[index])
951 }
952
953 pub fn workflow_step_ranges(&self) -> impl Iterator<Item = Range<language::Anchor>> + '_ {
954 self.workflow_steps.iter().map(|step| step.range.clone())
955 }
956
957 pub(crate) fn workflow_step_for_range(
958 &self,
959 range: &Range<language::Anchor>,
960 cx: &AppContext,
961 ) -> Option<&WorkflowStep> {
962 let buffer = self.buffer.read(cx);
963 let index = self.workflow_step_index_for_range(range, buffer).ok()?;
964 Some(&self.workflow_steps[index])
965 }
966
967 fn workflow_step_index_for_range(
968 &self,
969 tagged_range: &Range<text::Anchor>,
970 buffer: &text::BufferSnapshot,
971 ) -> Result<usize, usize> {
972 self.workflow_steps
973 .binary_search_by(|probe| probe.range.cmp(&tagged_range, buffer))
974 }
975
976 pub fn pending_slash_commands(&self) -> &[PendingSlashCommand] {
977 &self.pending_slash_commands
978 }
979
980 pub fn slash_command_output_sections(&self) -> &[SlashCommandOutputSection<language::Anchor>] {
981 &self.slash_command_output_sections
982 }
983
984 pub fn pending_tool_uses(&self) -> Vec<&PendingToolUse> {
985 self.pending_tool_uses_by_id.values().collect()
986 }
987
988 pub fn get_tool_use_by_id(&self, id: &Arc<str>) -> Option<&PendingToolUse> {
989 self.pending_tool_uses_by_id.get(id)
990 }
991
992 fn set_language(&mut self, cx: &mut ModelContext<Self>) {
993 let markdown = self.language_registry.language_for_name("Markdown");
994 cx.spawn(|this, mut cx| async move {
995 let markdown = markdown.await?;
996 this.update(&mut cx, |this, cx| {
997 this.buffer
998 .update(cx, |buffer, cx| buffer.set_language(Some(markdown), cx));
999 })
1000 })
1001 .detach_and_log_err(cx);
1002 }
1003
1004 fn handle_buffer_event(
1005 &mut self,
1006 _: Model<Buffer>,
1007 event: &language::BufferEvent,
1008 cx: &mut ModelContext<Self>,
1009 ) {
1010 match event {
1011 language::BufferEvent::Operation(operation) => cx.emit(ContextEvent::Operation(
1012 ContextOperation::BufferOperation(operation.clone()),
1013 )),
1014 language::BufferEvent::Edited => {
1015 self.count_remaining_tokens(cx);
1016 self.reparse(cx);
1017 // Use `inclusive = true` to invalidate a step when an edit occurs
1018 // at the start/end of a parsed step.
1019 cx.emit(ContextEvent::MessagesEdited);
1020 }
1021 _ => {}
1022 }
1023 }
1024
1025 pub(crate) fn token_count(&self) -> Option<usize> {
1026 self.token_count
1027 }
1028
1029 pub(crate) fn count_remaining_tokens(&mut self, cx: &mut ModelContext<Self>) {
1030 let request = self.to_completion_request(cx);
1031 let Some(model) = LanguageModelRegistry::read_global(cx).active_model() else {
1032 return;
1033 };
1034 self.pending_token_count = cx.spawn(|this, mut cx| {
1035 async move {
1036 cx.background_executor()
1037 .timer(Duration::from_millis(200))
1038 .await;
1039
1040 let token_count = cx.update(|cx| model.count_tokens(request, cx))?.await?;
1041 this.update(&mut cx, |this, cx| {
1042 this.token_count = Some(token_count);
1043 this.start_cache_warming(&model, cx);
1044 cx.notify()
1045 })
1046 }
1047 .log_err()
1048 });
1049 }
1050
1051 pub fn mark_cache_anchors(
1052 &mut self,
1053 cache_configuration: &Option<LanguageModelCacheConfiguration>,
1054 speculative: bool,
1055 cx: &mut ModelContext<Self>,
1056 ) -> bool {
1057 let cache_configuration =
1058 cache_configuration
1059 .as_ref()
1060 .unwrap_or(&LanguageModelCacheConfiguration {
1061 max_cache_anchors: 0,
1062 should_speculate: false,
1063 min_total_token: 0,
1064 });
1065
1066 let messages: Vec<Message> = self.messages(cx).collect();
1067
1068 let mut sorted_messages = messages.clone();
1069 if speculative {
1070 // Avoid caching the last message if this is a speculative cache fetch as
1071 // it's likely to change.
1072 sorted_messages.pop();
1073 }
1074 sorted_messages.retain(|m| m.role == Role::User);
1075 sorted_messages.sort_by(|a, b| b.offset_range.len().cmp(&a.offset_range.len()));
1076
1077 let cache_anchors = if self.token_count.unwrap_or(0) < cache_configuration.min_total_token {
1078 // If we have't hit the minimum threshold to enable caching, don't cache anything.
1079 0
1080 } else {
1081 // Save 1 anchor for the inline assistant to use.
1082 max(cache_configuration.max_cache_anchors, 1) - 1
1083 };
1084 sorted_messages.truncate(cache_anchors);
1085
1086 let anchors: HashSet<MessageId> = sorted_messages
1087 .into_iter()
1088 .map(|message| message.id)
1089 .collect();
1090
1091 let buffer = self.buffer.read(cx).snapshot();
1092 let invalidated_caches: HashSet<MessageId> = messages
1093 .iter()
1094 .scan(false, |encountered_invalid, message| {
1095 let message_id = message.id;
1096 let is_invalid = self
1097 .messages_metadata
1098 .get(&message_id)
1099 .map_or(true, |metadata| {
1100 !metadata.is_cache_valid(&buffer, &message.offset_range)
1101 || *encountered_invalid
1102 });
1103 *encountered_invalid |= is_invalid;
1104 Some(if is_invalid { Some(message_id) } else { None })
1105 })
1106 .flatten()
1107 .collect();
1108
1109 let last_anchor = messages.iter().rev().find_map(|message| {
1110 if anchors.contains(&message.id) {
1111 Some(message.id)
1112 } else {
1113 None
1114 }
1115 });
1116
1117 let mut new_anchor_needs_caching = false;
1118 let current_version = &buffer.version;
1119 // If we have no anchors, mark all messages as not being cached.
1120 let mut hit_last_anchor = last_anchor.is_none();
1121
1122 for message in messages.iter() {
1123 if hit_last_anchor {
1124 self.update_metadata(message.id, cx, |metadata| metadata.cache = None);
1125 continue;
1126 }
1127
1128 if let Some(last_anchor) = last_anchor {
1129 if message.id == last_anchor {
1130 hit_last_anchor = true;
1131 }
1132 }
1133
1134 new_anchor_needs_caching = new_anchor_needs_caching
1135 || (invalidated_caches.contains(&message.id) && anchors.contains(&message.id));
1136
1137 self.update_metadata(message.id, cx, |metadata| {
1138 let cache_status = if invalidated_caches.contains(&message.id) {
1139 CacheStatus::Pending
1140 } else {
1141 metadata
1142 .cache
1143 .as_ref()
1144 .map_or(CacheStatus::Pending, |cm| cm.status.clone())
1145 };
1146 metadata.cache = Some(MessageCacheMetadata {
1147 is_anchor: anchors.contains(&message.id),
1148 is_final_anchor: hit_last_anchor,
1149 status: cache_status,
1150 cached_at: current_version.clone(),
1151 });
1152 });
1153 }
1154 new_anchor_needs_caching
1155 }
1156
1157 fn start_cache_warming(&mut self, model: &Arc<dyn LanguageModel>, cx: &mut ModelContext<Self>) {
1158 let cache_configuration = model.cache_configuration();
1159
1160 if !self.mark_cache_anchors(&cache_configuration, true, cx) {
1161 return;
1162 }
1163 if !self.pending_completions.is_empty() {
1164 return;
1165 }
1166 if let Some(cache_configuration) = cache_configuration {
1167 if !cache_configuration.should_speculate {
1168 return;
1169 }
1170 }
1171
1172 let request = {
1173 let mut req = self.to_completion_request(cx);
1174 // Skip the last message because it's likely to change and
1175 // therefore would be a waste to cache.
1176 req.messages.pop();
1177 req.messages.push(LanguageModelRequestMessage {
1178 role: Role::User,
1179 content: vec!["Respond only with OK, nothing else.".into()],
1180 cache: false,
1181 });
1182 req
1183 };
1184
1185 let model = Arc::clone(model);
1186 self.pending_cache_warming_task = cx.spawn(|this, mut cx| {
1187 async move {
1188 match model.stream_completion(request, &cx).await {
1189 Ok(mut stream) => {
1190 stream.next().await;
1191 log::info!("Cache warming completed successfully");
1192 }
1193 Err(e) => {
1194 log::warn!("Cache warming failed: {}", e);
1195 }
1196 };
1197 this.update(&mut cx, |this, cx| {
1198 this.update_cache_status_for_completion(cx);
1199 })
1200 .ok();
1201 anyhow::Ok(())
1202 }
1203 .log_err()
1204 });
1205 }
1206
1207 pub fn update_cache_status_for_completion(&mut self, cx: &mut ModelContext<Self>) {
1208 let cached_message_ids: Vec<MessageId> = self
1209 .messages_metadata
1210 .iter()
1211 .filter_map(|(message_id, metadata)| {
1212 metadata.cache.as_ref().and_then(|cache| {
1213 if cache.status == CacheStatus::Pending {
1214 Some(*message_id)
1215 } else {
1216 None
1217 }
1218 })
1219 })
1220 .collect();
1221
1222 for message_id in cached_message_ids {
1223 self.update_metadata(message_id, cx, |metadata| {
1224 if let Some(cache) = &mut metadata.cache {
1225 cache.status = CacheStatus::Cached;
1226 }
1227 });
1228 }
1229 cx.notify();
1230 }
1231
1232 pub fn reparse(&mut self, cx: &mut ModelContext<Self>) {
1233 let buffer = self.buffer.read(cx).text_snapshot();
1234 let mut row_ranges = self
1235 .edits_since_last_parse
1236 .consume()
1237 .into_iter()
1238 .map(|edit| {
1239 let start_row = buffer.offset_to_point(edit.new.start).row;
1240 let end_row = buffer.offset_to_point(edit.new.end).row + 1;
1241 start_row..end_row
1242 })
1243 .peekable();
1244
1245 let mut removed_slash_command_ranges = Vec::new();
1246 let mut updated_slash_commands = Vec::new();
1247 let mut removed_steps = Vec::new();
1248 let mut updated_steps = Vec::new();
1249 while let Some(mut row_range) = row_ranges.next() {
1250 while let Some(next_row_range) = row_ranges.peek() {
1251 if row_range.end >= next_row_range.start {
1252 row_range.end = next_row_range.end;
1253 row_ranges.next();
1254 } else {
1255 break;
1256 }
1257 }
1258
1259 let start = buffer.anchor_before(Point::new(row_range.start, 0));
1260 let end = buffer.anchor_after(Point::new(
1261 row_range.end - 1,
1262 buffer.line_len(row_range.end - 1),
1263 ));
1264
1265 self.reparse_slash_commands_in_range(
1266 start..end,
1267 &buffer,
1268 &mut updated_slash_commands,
1269 &mut removed_slash_command_ranges,
1270 cx,
1271 );
1272 self.reparse_workflow_steps_in_range(
1273 start..end,
1274 &buffer,
1275 &mut updated_steps,
1276 &mut removed_steps,
1277 cx,
1278 );
1279 }
1280
1281 if !updated_slash_commands.is_empty() || !removed_slash_command_ranges.is_empty() {
1282 cx.emit(ContextEvent::PendingSlashCommandsUpdated {
1283 removed: removed_slash_command_ranges,
1284 updated: updated_slash_commands,
1285 });
1286 }
1287
1288 if !updated_steps.is_empty() || !removed_steps.is_empty() {
1289 cx.emit(ContextEvent::WorkflowStepsUpdated {
1290 removed: removed_steps,
1291 updated: updated_steps,
1292 });
1293 }
1294 }
1295
1296 fn reparse_slash_commands_in_range(
1297 &mut self,
1298 range: Range<text::Anchor>,
1299 buffer: &BufferSnapshot,
1300 updated: &mut Vec<PendingSlashCommand>,
1301 removed: &mut Vec<Range<text::Anchor>>,
1302 cx: &AppContext,
1303 ) {
1304 let old_range = self.pending_command_indices_for_range(range.clone(), cx);
1305
1306 let mut new_commands = Vec::new();
1307 let mut lines = buffer.text_for_range(range).lines();
1308 let mut offset = lines.offset();
1309 while let Some(line) = lines.next() {
1310 if let Some(command_line) = SlashCommandLine::parse(line) {
1311 let name = &line[command_line.name.clone()];
1312 let arguments = command_line
1313 .arguments
1314 .iter()
1315 .filter_map(|argument_range| {
1316 if argument_range.is_empty() {
1317 None
1318 } else {
1319 line.get(argument_range.clone())
1320 }
1321 })
1322 .map(ToOwned::to_owned)
1323 .collect::<SmallVec<_>>();
1324 if let Some(command) = SlashCommandRegistry::global(cx).command(name) {
1325 if !command.requires_argument() || !arguments.is_empty() {
1326 let start_ix = offset + command_line.name.start - 1;
1327 let end_ix = offset
1328 + command_line
1329 .arguments
1330 .last()
1331 .map_or(command_line.name.end, |argument| argument.end);
1332 let source_range =
1333 buffer.anchor_after(start_ix)..buffer.anchor_after(end_ix);
1334 let pending_command = PendingSlashCommand {
1335 name: name.to_string(),
1336 arguments,
1337 source_range,
1338 status: PendingSlashCommandStatus::Idle,
1339 };
1340 updated.push(pending_command.clone());
1341 new_commands.push(pending_command);
1342 }
1343 }
1344 }
1345
1346 offset = lines.offset();
1347 }
1348
1349 let removed_commands = self.pending_slash_commands.splice(old_range, new_commands);
1350 removed.extend(removed_commands.map(|command| command.source_range));
1351 }
1352
1353 fn reparse_workflow_steps_in_range(
1354 &mut self,
1355 range: Range<text::Anchor>,
1356 buffer: &BufferSnapshot,
1357 updated: &mut Vec<Range<text::Anchor>>,
1358 removed: &mut Vec<Range<text::Anchor>>,
1359 cx: &mut ModelContext<Self>,
1360 ) {
1361 // Rebuild the XML tags in the edited range.
1362 let intersecting_tags_range =
1363 self.indices_intersecting_buffer_range(&self.xml_tags, range.clone(), cx);
1364 let new_tags = self.parse_xml_tags_in_range(buffer, range.clone(), cx);
1365 self.xml_tags
1366 .splice(intersecting_tags_range.clone(), new_tags);
1367
1368 // Find which steps intersect the changed range.
1369 let intersecting_steps_range =
1370 self.indices_intersecting_buffer_range(&self.workflow_steps, range.clone(), cx);
1371
1372 // Reparse all tags after the last unchanged step before the change.
1373 let mut tags_start_ix = 0;
1374 if let Some(preceding_unchanged_step) =
1375 self.workflow_steps[..intersecting_steps_range.start].last()
1376 {
1377 tags_start_ix = match self.xml_tags.binary_search_by(|tag| {
1378 tag.range
1379 .start
1380 .cmp(&preceding_unchanged_step.range.end, buffer)
1381 .then(Ordering::Less)
1382 }) {
1383 Ok(ix) | Err(ix) => ix,
1384 };
1385 }
1386
1387 // Rebuild the edit suggestions in the range.
1388 let mut new_steps = self.parse_steps(tags_start_ix, range.end, buffer);
1389
1390 if let Some(project) = self.project() {
1391 for step in &mut new_steps {
1392 Self::resolve_workflow_step_internal(step, &project, cx);
1393 }
1394 }
1395
1396 updated.extend(new_steps.iter().map(|step| step.range.clone()));
1397 let removed_steps = self
1398 .workflow_steps
1399 .splice(intersecting_steps_range, new_steps);
1400 removed.extend(
1401 removed_steps
1402 .map(|step| step.range)
1403 .filter(|range| !updated.contains(&range)),
1404 );
1405 }
1406
1407 fn parse_xml_tags_in_range(
1408 &self,
1409 buffer: &BufferSnapshot,
1410 range: Range<text::Anchor>,
1411 cx: &AppContext,
1412 ) -> Vec<XmlTag> {
1413 let mut messages = self.messages(cx).peekable();
1414
1415 let mut tags = Vec::new();
1416 let mut lines = buffer.text_for_range(range).lines();
1417 let mut offset = lines.offset();
1418
1419 while let Some(line) = lines.next() {
1420 while let Some(message) = messages.peek() {
1421 if offset < message.offset_range.end {
1422 break;
1423 } else {
1424 messages.next();
1425 }
1426 }
1427
1428 let is_assistant_message = messages
1429 .peek()
1430 .map_or(false, |message| message.role == Role::Assistant);
1431 if is_assistant_message {
1432 for (start_ix, _) in line.match_indices('<') {
1433 let mut name_start_ix = start_ix + 1;
1434 let closing_bracket_ix = line[start_ix..].find('>').map(|i| start_ix + i);
1435 if let Some(closing_bracket_ix) = closing_bracket_ix {
1436 let end_ix = closing_bracket_ix + 1;
1437 let mut is_open_tag = true;
1438 if line[name_start_ix..closing_bracket_ix].starts_with('/') {
1439 name_start_ix += 1;
1440 is_open_tag = false;
1441 }
1442 let tag_inner = &line[name_start_ix..closing_bracket_ix];
1443 let tag_name_len = tag_inner
1444 .find(|c: char| c.is_whitespace())
1445 .unwrap_or(tag_inner.len());
1446 if let Ok(kind) = XmlTagKind::from_str(&tag_inner[..tag_name_len]) {
1447 tags.push(XmlTag {
1448 range: buffer.anchor_after(offset + start_ix)
1449 ..buffer.anchor_before(offset + end_ix),
1450 is_open_tag,
1451 kind,
1452 });
1453 };
1454 }
1455 }
1456 }
1457
1458 offset = lines.offset();
1459 }
1460 tags
1461 }
1462
1463 fn parse_steps(
1464 &mut self,
1465 tags_start_ix: usize,
1466 buffer_end: text::Anchor,
1467 buffer: &BufferSnapshot,
1468 ) -> Vec<WorkflowStep> {
1469 let mut new_steps = Vec::new();
1470 let mut pending_step = None;
1471 let mut edit_step_depth = 0;
1472 let mut tags = self.xml_tags[tags_start_ix..].iter().peekable();
1473 'tags: while let Some(tag) = tags.next() {
1474 if tag.range.start.cmp(&buffer_end, buffer).is_gt() && edit_step_depth == 0 {
1475 break;
1476 }
1477
1478 if tag.kind == XmlTagKind::Step && tag.is_open_tag {
1479 edit_step_depth += 1;
1480 let edit_start = tag.range.start;
1481 let mut edits = Vec::new();
1482 let mut step = WorkflowStep {
1483 range: edit_start..edit_start,
1484 leading_tags_end: tag.range.end,
1485 trailing_tag_start: None,
1486 edits: Default::default(),
1487 resolution: None,
1488 resolution_task: None,
1489 };
1490
1491 while let Some(tag) = tags.next() {
1492 step.trailing_tag_start.get_or_insert(tag.range.start);
1493
1494 if tag.kind == XmlTagKind::Step && !tag.is_open_tag {
1495 // step.trailing_tag_start = Some(tag.range.start);
1496 edit_step_depth -= 1;
1497 if edit_step_depth == 0 {
1498 step.range.end = tag.range.end;
1499 step.edits = edits.into();
1500 new_steps.push(step);
1501 continue 'tags;
1502 }
1503 }
1504
1505 if tag.kind == XmlTagKind::Edit && tag.is_open_tag {
1506 let mut path = None;
1507 let mut search = None;
1508 let mut operation = None;
1509 let mut description = None;
1510
1511 while let Some(tag) = tags.next() {
1512 if tag.kind == XmlTagKind::Edit && !tag.is_open_tag {
1513 edits.push(WorkflowStepEdit::new(
1514 path,
1515 operation,
1516 search,
1517 description,
1518 ));
1519 break;
1520 }
1521
1522 if tag.is_open_tag
1523 && [
1524 XmlTagKind::Path,
1525 XmlTagKind::Search,
1526 XmlTagKind::Operation,
1527 XmlTagKind::Description,
1528 ]
1529 .contains(&tag.kind)
1530 {
1531 let kind = tag.kind;
1532 let content_start = tag.range.end;
1533 if let Some(tag) = tags.peek() {
1534 if tag.kind == kind && !tag.is_open_tag {
1535 let tag = tags.next().unwrap();
1536 let content_end = tag.range.start;
1537 let mut content = buffer
1538 .text_for_range(content_start..content_end)
1539 .collect::<String>();
1540 content.truncate(content.trim_end().len());
1541 match kind {
1542 XmlTagKind::Path => path = Some(content),
1543 XmlTagKind::Operation => operation = Some(content),
1544 XmlTagKind::Search => {
1545 search = Some(content).filter(|s| !s.is_empty())
1546 }
1547 XmlTagKind::Description => {
1548 description =
1549 Some(content).filter(|s| !s.is_empty())
1550 }
1551 _ => {}
1552 }
1553 }
1554 }
1555 }
1556 }
1557 }
1558 }
1559
1560 pending_step = Some(step);
1561 }
1562 }
1563
1564 if let Some(mut pending_step) = pending_step {
1565 pending_step.range.end = text::Anchor::MAX;
1566 new_steps.push(pending_step);
1567 }
1568
1569 new_steps
1570 }
1571
1572 pub fn resolve_workflow_step(
1573 &mut self,
1574 tagged_range: Range<text::Anchor>,
1575 cx: &mut ModelContext<Self>,
1576 ) -> Option<()> {
1577 let index = self
1578 .workflow_step_index_for_range(&tagged_range, self.buffer.read(cx))
1579 .ok()?;
1580 let step = &mut self.workflow_steps[index];
1581 let project = self.project.as_ref()?;
1582 step.resolution.take();
1583 Self::resolve_workflow_step_internal(step, project, cx);
1584 None
1585 }
1586
1587 fn resolve_workflow_step_internal(
1588 step: &mut WorkflowStep,
1589 project: &Model<Project>,
1590 cx: &mut ModelContext<'_, Context>,
1591 ) {
1592 step.resolution_task = Some(cx.spawn({
1593 let range = step.range.clone();
1594 let edits = step.edits.clone();
1595 let project = project.clone();
1596 |this, mut cx| async move {
1597 let suggestion_groups =
1598 Self::compute_step_resolution(project, edits, &mut cx).await;
1599
1600 this.update(&mut cx, |this, cx| {
1601 let buffer = this.buffer.read(cx).text_snapshot();
1602 let ix = this.workflow_step_index_for_range(&range, &buffer).ok();
1603 if let Some(ix) = ix {
1604 let step = &mut this.workflow_steps[ix];
1605
1606 let resolution = suggestion_groups.map(|suggestion_groups| {
1607 let mut title = String::new();
1608 for mut chunk in buffer.text_for_range(
1609 step.leading_tags_end
1610 ..step.trailing_tag_start.unwrap_or(step.range.end),
1611 ) {
1612 if title.is_empty() {
1613 chunk = chunk.trim_start();
1614 }
1615 if let Some((prefix, _)) = chunk.split_once('\n') {
1616 title.push_str(prefix);
1617 break;
1618 } else {
1619 title.push_str(chunk);
1620 }
1621 }
1622
1623 WorkflowStepResolution {
1624 title,
1625 suggestion_groups,
1626 }
1627 });
1628
1629 step.resolution = Some(Arc::new(resolution));
1630 cx.emit(ContextEvent::WorkflowStepsUpdated {
1631 removed: vec![],
1632 updated: vec![range],
1633 })
1634 }
1635 })
1636 .ok();
1637 }
1638 }));
1639 }
1640
1641 async fn compute_step_resolution(
1642 project: Model<Project>,
1643 edits: Arc<[Result<WorkflowStepEdit>]>,
1644 cx: &mut AsyncAppContext,
1645 ) -> Result<HashMap<Model<Buffer>, Vec<WorkflowSuggestionGroup>>> {
1646 let mut suggestion_tasks = Vec::new();
1647 for edit in edits.iter() {
1648 let edit = edit.as_ref().map_err(|e| anyhow!("{e}"))?;
1649 suggestion_tasks.push(edit.resolve(project.clone(), cx.clone()));
1650 }
1651
1652 // Expand the context ranges of each suggestion and group suggestions with overlapping context ranges.
1653 let suggestions = future::try_join_all(suggestion_tasks).await?;
1654
1655 let mut suggestions_by_buffer = HashMap::default();
1656 for (buffer, suggestion) in suggestions {
1657 suggestions_by_buffer
1658 .entry(buffer)
1659 .or_insert_with(Vec::new)
1660 .push(suggestion);
1661 }
1662
1663 let mut suggestion_groups_by_buffer = HashMap::default();
1664 for (buffer, mut suggestions) in suggestions_by_buffer {
1665 let mut suggestion_groups = Vec::<WorkflowSuggestionGroup>::new();
1666 let snapshot = buffer.update(cx, |buffer, _| buffer.snapshot())?;
1667 // Sort suggestions by their range so that earlier, larger ranges come first
1668 suggestions.sort_by(|a, b| a.range().cmp(&b.range(), &snapshot));
1669
1670 // Merge overlapping suggestions
1671 suggestions.dedup_by(|a, b| b.try_merge(a, &snapshot));
1672
1673 // Create context ranges for each suggestion
1674 for suggestion in suggestions {
1675 let context_range = {
1676 let suggestion_point_range = suggestion.range().to_point(&snapshot);
1677 let start_row = suggestion_point_range.start.row.saturating_sub(5);
1678 let end_row =
1679 cmp::min(suggestion_point_range.end.row + 5, snapshot.max_point().row);
1680 let start = snapshot.anchor_before(Point::new(start_row, 0));
1681 let end =
1682 snapshot.anchor_after(Point::new(end_row, snapshot.line_len(end_row)));
1683 start..end
1684 };
1685
1686 if let Some(last_group) = suggestion_groups.last_mut() {
1687 if last_group
1688 .context_range
1689 .end
1690 .cmp(&context_range.start, &snapshot)
1691 .is_ge()
1692 {
1693 // Merge with the previous group if context ranges overlap
1694 last_group.context_range.end = context_range.end;
1695 last_group.suggestions.push(suggestion);
1696 } else {
1697 // Create a new group
1698 suggestion_groups.push(WorkflowSuggestionGroup {
1699 context_range,
1700 suggestions: vec![suggestion],
1701 });
1702 }
1703 } else {
1704 // Create the first group
1705 suggestion_groups.push(WorkflowSuggestionGroup {
1706 context_range,
1707 suggestions: vec![suggestion],
1708 });
1709 }
1710 }
1711
1712 suggestion_groups_by_buffer.insert(buffer, suggestion_groups);
1713 }
1714
1715 Ok(suggestion_groups_by_buffer)
1716 }
1717
1718 pub fn pending_command_for_position(
1719 &mut self,
1720 position: language::Anchor,
1721 cx: &mut ModelContext<Self>,
1722 ) -> Option<&mut PendingSlashCommand> {
1723 let buffer = self.buffer.read(cx);
1724 match self
1725 .pending_slash_commands
1726 .binary_search_by(|probe| probe.source_range.end.cmp(&position, buffer))
1727 {
1728 Ok(ix) => Some(&mut self.pending_slash_commands[ix]),
1729 Err(ix) => {
1730 let cmd = self.pending_slash_commands.get_mut(ix)?;
1731 if position.cmp(&cmd.source_range.start, buffer).is_ge()
1732 && position.cmp(&cmd.source_range.end, buffer).is_le()
1733 {
1734 Some(cmd)
1735 } else {
1736 None
1737 }
1738 }
1739 }
1740 }
1741
1742 pub fn pending_commands_for_range(
1743 &self,
1744 range: Range<language::Anchor>,
1745 cx: &AppContext,
1746 ) -> &[PendingSlashCommand] {
1747 let range = self.pending_command_indices_for_range(range, cx);
1748 &self.pending_slash_commands[range]
1749 }
1750
1751 fn pending_command_indices_for_range(
1752 &self,
1753 range: Range<language::Anchor>,
1754 cx: &AppContext,
1755 ) -> Range<usize> {
1756 self.indices_intersecting_buffer_range(&self.pending_slash_commands, range, cx)
1757 }
1758
1759 fn indices_intersecting_buffer_range<T: ContextAnnotation>(
1760 &self,
1761 all_annotations: &[T],
1762 range: Range<language::Anchor>,
1763 cx: &AppContext,
1764 ) -> Range<usize> {
1765 let buffer = self.buffer.read(cx);
1766 let start_ix = match all_annotations
1767 .binary_search_by(|probe| probe.range().end.cmp(&range.start, &buffer))
1768 {
1769 Ok(ix) | Err(ix) => ix,
1770 };
1771 let end_ix = match all_annotations
1772 .binary_search_by(|probe| probe.range().start.cmp(&range.end, &buffer))
1773 {
1774 Ok(ix) => ix + 1,
1775 Err(ix) => ix,
1776 };
1777 start_ix..end_ix
1778 }
1779
1780 pub fn insert_command_output(
1781 &mut self,
1782 command_range: Range<language::Anchor>,
1783 output: Task<Result<SlashCommandOutput>>,
1784 ensure_trailing_newline: bool,
1785 expand_result: bool,
1786 cx: &mut ModelContext<Self>,
1787 ) {
1788 self.reparse(cx);
1789
1790 let insert_output_task = cx.spawn(|this, mut cx| {
1791 let command_range = command_range.clone();
1792 async move {
1793 let output = output.await;
1794 this.update(&mut cx, |this, cx| match output {
1795 Ok(mut output) => {
1796 // Ensure section ranges are valid.
1797 for section in &mut output.sections {
1798 section.range.start = section.range.start.min(output.text.len());
1799 section.range.end = section.range.end.min(output.text.len());
1800 while !output.text.is_char_boundary(section.range.start) {
1801 section.range.start -= 1;
1802 }
1803 while !output.text.is_char_boundary(section.range.end) {
1804 section.range.end += 1;
1805 }
1806 }
1807
1808 // Ensure there is a newline after the last section.
1809 if ensure_trailing_newline {
1810 let has_newline_after_last_section =
1811 output.sections.last().map_or(false, |last_section| {
1812 output.text[last_section.range.end..].ends_with('\n')
1813 });
1814 if !has_newline_after_last_section {
1815 output.text.push('\n');
1816 }
1817 }
1818
1819 let version = this.version.clone();
1820 let command_id = SlashCommandId(this.next_timestamp());
1821 let (operation, event) = this.buffer.update(cx, |buffer, cx| {
1822 let start = command_range.start.to_offset(buffer);
1823 let old_end = command_range.end.to_offset(buffer);
1824 let new_end = start + output.text.len();
1825 buffer.edit([(start..old_end, output.text)], None, cx);
1826
1827 let mut sections = output
1828 .sections
1829 .into_iter()
1830 .map(|section| SlashCommandOutputSection {
1831 range: buffer.anchor_after(start + section.range.start)
1832 ..buffer.anchor_before(start + section.range.end),
1833 icon: section.icon,
1834 label: section.label,
1835 metadata: section.metadata,
1836 })
1837 .collect::<Vec<_>>();
1838 sections.sort_by(|a, b| a.range.cmp(&b.range, buffer));
1839
1840 this.slash_command_output_sections
1841 .extend(sections.iter().cloned());
1842 this.slash_command_output_sections
1843 .sort_by(|a, b| a.range.cmp(&b.range, buffer));
1844
1845 let output_range =
1846 buffer.anchor_after(start)..buffer.anchor_before(new_end);
1847 this.finished_slash_commands.insert(command_id);
1848
1849 (
1850 ContextOperation::SlashCommandFinished {
1851 id: command_id,
1852 output_range: output_range.clone(),
1853 sections: sections.clone(),
1854 version,
1855 },
1856 ContextEvent::SlashCommandFinished {
1857 output_range,
1858 sections,
1859 run_commands_in_output: output.run_commands_in_text,
1860 expand_result,
1861 },
1862 )
1863 });
1864
1865 this.push_op(operation, cx);
1866 cx.emit(event);
1867 }
1868 Err(error) => {
1869 if let Some(pending_command) =
1870 this.pending_command_for_position(command_range.start, cx)
1871 {
1872 pending_command.status =
1873 PendingSlashCommandStatus::Error(error.to_string());
1874 cx.emit(ContextEvent::PendingSlashCommandsUpdated {
1875 removed: vec![pending_command.source_range.clone()],
1876 updated: vec![pending_command.clone()],
1877 });
1878 }
1879 }
1880 })
1881 .ok();
1882 }
1883 });
1884
1885 if let Some(pending_command) = self.pending_command_for_position(command_range.start, cx) {
1886 pending_command.status = PendingSlashCommandStatus::Running {
1887 _task: insert_output_task.shared(),
1888 };
1889 cx.emit(ContextEvent::PendingSlashCommandsUpdated {
1890 removed: vec![pending_command.source_range.clone()],
1891 updated: vec![pending_command.clone()],
1892 });
1893 }
1894 }
1895
1896 pub fn insert_tool_output(
1897 &mut self,
1898 tool_use_id: Arc<str>,
1899 output: Task<Result<String>>,
1900 cx: &mut ModelContext<Self>,
1901 ) {
1902 let insert_output_task = cx.spawn(|this, mut cx| {
1903 let tool_use_id = tool_use_id.clone();
1904 async move {
1905 let output = output.await;
1906 this.update(&mut cx, |this, cx| match output {
1907 Ok(mut output) => {
1908 const NEWLINE: char = '\n';
1909
1910 if !output.ends_with(NEWLINE) {
1911 output.push(NEWLINE);
1912 }
1913
1914 let anchor_range = this.buffer.update(cx, |buffer, cx| {
1915 let insert_start = buffer.len().to_offset(buffer);
1916 let insert_end = insert_start;
1917
1918 let start = insert_start;
1919 let end = start + output.len() - NEWLINE.len_utf8();
1920
1921 buffer.edit([(insert_start..insert_end, output)], None, cx);
1922
1923 let output_range = buffer.anchor_after(start)..buffer.anchor_after(end);
1924
1925 output_range
1926 });
1927
1928 this.insert_content(
1929 Content::ToolResult {
1930 range: anchor_range.clone(),
1931 tool_use_id: tool_use_id.clone(),
1932 },
1933 cx,
1934 );
1935
1936 cx.emit(ContextEvent::ToolFinished {
1937 tool_use_id,
1938 output_range: anchor_range,
1939 });
1940 }
1941 Err(err) => {
1942 if let Some(tool_use) = this.pending_tool_uses_by_id.get_mut(&tool_use_id) {
1943 tool_use.status = PendingToolUseStatus::Error(err.to_string());
1944 }
1945 }
1946 })
1947 .ok();
1948 }
1949 });
1950
1951 if let Some(tool_use) = self.pending_tool_uses_by_id.get_mut(&tool_use_id) {
1952 tool_use.status = PendingToolUseStatus::Running {
1953 _task: insert_output_task.shared(),
1954 };
1955 }
1956 }
1957
1958 pub fn completion_provider_changed(&mut self, cx: &mut ModelContext<Self>) {
1959 self.count_remaining_tokens(cx);
1960 }
1961
1962 fn get_last_valid_message_id(&self, cx: &ModelContext<Self>) -> Option<MessageId> {
1963 self.message_anchors.iter().rev().find_map(|message| {
1964 message
1965 .start
1966 .is_valid(self.buffer.read(cx))
1967 .then_some(message.id)
1968 })
1969 }
1970
1971 pub fn assist(&mut self, cx: &mut ModelContext<Self>) -> Option<MessageAnchor> {
1972 let provider = LanguageModelRegistry::read_global(cx).active_provider()?;
1973 let model = LanguageModelRegistry::read_global(cx).active_model()?;
1974 let last_message_id = self.get_last_valid_message_id(cx)?;
1975
1976 if !provider.is_authenticated(cx) {
1977 log::info!("completion provider has no credentials");
1978 return None;
1979 }
1980 // Compute which messages to cache, including the last one.
1981 self.mark_cache_anchors(&model.cache_configuration(), false, cx);
1982
1983 let mut request = self.to_completion_request(cx);
1984
1985 if cx.has_flag::<ToolUseFeatureFlag>() {
1986 let tool_registry = ToolRegistry::global(cx);
1987 request.tools = tool_registry
1988 .tools()
1989 .into_iter()
1990 .map(|tool| LanguageModelRequestTool {
1991 name: tool.name(),
1992 description: tool.description(),
1993 input_schema: tool.input_schema(),
1994 })
1995 .collect();
1996 }
1997
1998 let assistant_message = self
1999 .insert_message_after(last_message_id, Role::Assistant, MessageStatus::Pending, cx)
2000 .unwrap();
2001
2002 // Queue up the user's next reply.
2003 let user_message = self
2004 .insert_message_after(assistant_message.id, Role::User, MessageStatus::Done, cx)
2005 .unwrap();
2006
2007 let pending_completion_id = post_inc(&mut self.completion_count);
2008
2009 let task = cx.spawn({
2010 |this, mut cx| async move {
2011 let stream = model.stream_completion(request, &cx);
2012 let assistant_message_id = assistant_message.id;
2013 let mut response_latency = None;
2014 let stream_completion = async {
2015 let request_start = Instant::now();
2016 let mut events = stream.await?;
2017 let mut stop_reason = StopReason::EndTurn;
2018
2019 while let Some(event) = events.next().await {
2020 if response_latency.is_none() {
2021 response_latency = Some(request_start.elapsed());
2022 }
2023 let event = event?;
2024
2025 this.update(&mut cx, |this, cx| {
2026 let message_ix = this
2027 .message_anchors
2028 .iter()
2029 .position(|message| message.id == assistant_message_id)?;
2030 this.buffer.update(cx, |buffer, cx| {
2031 let message_old_end_offset = this.message_anchors[message_ix + 1..]
2032 .iter()
2033 .find(|message| message.start.is_valid(buffer))
2034 .map_or(buffer.len(), |message| {
2035 message.start.to_offset(buffer).saturating_sub(1)
2036 });
2037
2038 match event {
2039 LanguageModelCompletionEvent::Stop(reason) => {
2040 stop_reason = reason;
2041 }
2042 LanguageModelCompletionEvent::Text(chunk) => {
2043 buffer.edit(
2044 [(
2045 message_old_end_offset..message_old_end_offset,
2046 chunk,
2047 )],
2048 None,
2049 cx,
2050 );
2051 }
2052 LanguageModelCompletionEvent::ToolUse(tool_use) => {
2053 const NEWLINE: char = '\n';
2054
2055 let mut text = String::new();
2056 text.push(NEWLINE);
2057 text.push_str(
2058 &serde_json::to_string_pretty(&tool_use)
2059 .expect("failed to serialize tool use to JSON"),
2060 );
2061 text.push(NEWLINE);
2062 let text_len = text.len();
2063
2064 buffer.edit(
2065 [(
2066 message_old_end_offset..message_old_end_offset,
2067 text,
2068 )],
2069 None,
2070 cx,
2071 );
2072
2073 let start_ix = message_old_end_offset + NEWLINE.len_utf8();
2074 let end_ix =
2075 message_old_end_offset + text_len - NEWLINE.len_utf8();
2076 let source_range = buffer.anchor_after(start_ix)
2077 ..buffer.anchor_after(end_ix);
2078
2079 let tool_use_id: Arc<str> = tool_use.id.into();
2080 this.pending_tool_uses_by_id.insert(
2081 tool_use_id.clone(),
2082 PendingToolUse {
2083 id: tool_use_id,
2084 name: tool_use.name,
2085 input: tool_use.input,
2086 status: PendingToolUseStatus::Idle,
2087 source_range,
2088 },
2089 );
2090 }
2091 }
2092 });
2093
2094 cx.emit(ContextEvent::StreamedCompletion);
2095
2096 Some(())
2097 })?;
2098 smol::future::yield_now().await;
2099 }
2100 this.update(&mut cx, |this, cx| {
2101 this.pending_completions
2102 .retain(|completion| completion.id != pending_completion_id);
2103 this.summarize(false, cx);
2104 this.update_cache_status_for_completion(cx);
2105 })?;
2106
2107 anyhow::Ok(stop_reason)
2108 };
2109
2110 let result = stream_completion.await;
2111
2112 this.update(&mut cx, |this, cx| {
2113 let error_message = result
2114 .as_ref()
2115 .err()
2116 .map(|error| error.to_string().trim().to_string());
2117
2118 if let Some(error_message) = error_message.as_ref() {
2119 cx.emit(ContextEvent::ShowAssistError(SharedString::from(
2120 error_message.clone(),
2121 )));
2122 }
2123
2124 this.update_metadata(assistant_message_id, cx, |metadata| {
2125 if let Some(error_message) = error_message.as_ref() {
2126 metadata.status =
2127 MessageStatus::Error(SharedString::from(error_message.clone()));
2128 } else {
2129 metadata.status = MessageStatus::Done;
2130 }
2131 });
2132
2133 if let Some(telemetry) = this.telemetry.as_ref() {
2134 telemetry.report_assistant_event(
2135 Some(this.id.0.clone()),
2136 AssistantKind::Panel,
2137 model.telemetry_id(),
2138 response_latency,
2139 error_message,
2140 );
2141 }
2142
2143 if let Ok(stop_reason) = result {
2144 match stop_reason {
2145 StopReason::ToolUse => {
2146 cx.emit(ContextEvent::UsePendingTools);
2147 }
2148 StopReason::EndTurn => {}
2149 StopReason::MaxTokens => {}
2150 }
2151 }
2152 })
2153 .ok();
2154 }
2155 });
2156
2157 self.pending_completions.push(PendingCompletion {
2158 id: pending_completion_id,
2159 assistant_message_id: assistant_message.id,
2160 _task: task,
2161 });
2162
2163 Some(user_message)
2164 }
2165
2166 pub fn to_completion_request(&self, cx: &AppContext) -> LanguageModelRequest {
2167 let buffer = self.buffer.read(cx);
2168
2169 let mut contents = self.contents(cx).peekable();
2170
2171 fn collect_text_content(buffer: &Buffer, range: Range<usize>) -> Option<String> {
2172 let text: String = buffer.text_for_range(range.clone()).collect();
2173 if text.trim().is_empty() {
2174 None
2175 } else {
2176 Some(text)
2177 }
2178 }
2179
2180 let mut completion_request = LanguageModelRequest {
2181 messages: Vec::new(),
2182 tools: Vec::new(),
2183 stop: Vec::new(),
2184 temperature: 1.0,
2185 };
2186 for message in self.messages(cx) {
2187 if message.status != MessageStatus::Done {
2188 continue;
2189 }
2190
2191 let mut offset = message.offset_range.start;
2192 let mut request_message = LanguageModelRequestMessage {
2193 role: message.role,
2194 content: Vec::new(),
2195 cache: message
2196 .cache
2197 .as_ref()
2198 .map_or(false, |cache| cache.is_anchor),
2199 };
2200
2201 while let Some(content) = contents.peek() {
2202 if content
2203 .range()
2204 .end
2205 .cmp(&message.anchor_range.end, buffer)
2206 .is_lt()
2207 {
2208 let content = contents.next().unwrap();
2209 let range = content.range().to_offset(buffer);
2210 request_message.content.extend(
2211 collect_text_content(buffer, offset..range.start).map(MessageContent::Text),
2212 );
2213
2214 match content {
2215 Content::Image { image, .. } => {
2216 if let Some(image) = image.clone().now_or_never().flatten() {
2217 request_message
2218 .content
2219 .push(language_model::MessageContent::Image(image));
2220 }
2221 }
2222 Content::ToolUse { tool_use, .. } => {
2223 request_message
2224 .content
2225 .push(language_model::MessageContent::ToolUse(tool_use.clone()));
2226 }
2227 Content::ToolResult { tool_use_id, .. } => {
2228 request_message.content.push(
2229 language_model::MessageContent::ToolResult(
2230 LanguageModelToolResult {
2231 tool_use_id: tool_use_id.to_string(),
2232 is_error: false,
2233 content: collect_text_content(buffer, range.clone())
2234 .unwrap_or_default(),
2235 },
2236 ),
2237 );
2238 }
2239 }
2240
2241 offset = range.end;
2242 } else {
2243 break;
2244 }
2245 }
2246
2247 request_message.content.extend(
2248 collect_text_content(buffer, offset..message.offset_range.end)
2249 .map(MessageContent::Text),
2250 );
2251
2252 completion_request.messages.push(request_message);
2253 }
2254
2255 completion_request
2256 }
2257
2258 pub fn cancel_last_assist(&mut self, cx: &mut ModelContext<Self>) -> bool {
2259 if let Some(pending_completion) = self.pending_completions.pop() {
2260 self.update_metadata(pending_completion.assistant_message_id, cx, |metadata| {
2261 if metadata.status == MessageStatus::Pending {
2262 metadata.status = MessageStatus::Canceled;
2263 }
2264 });
2265 true
2266 } else {
2267 false
2268 }
2269 }
2270
2271 pub fn cycle_message_roles(&mut self, ids: HashSet<MessageId>, cx: &mut ModelContext<Self>) {
2272 for id in &ids {
2273 if let Some(metadata) = self.messages_metadata.get(id) {
2274 let role = metadata.role.cycle();
2275 self.update_metadata(*id, cx, |metadata| metadata.role = role);
2276 }
2277 }
2278
2279 self.message_roles_updated(ids, cx);
2280 }
2281
2282 fn message_roles_updated(&mut self, ids: HashSet<MessageId>, cx: &mut ModelContext<Self>) {
2283 let mut ranges = Vec::new();
2284 for message in self.messages(cx) {
2285 if ids.contains(&message.id) {
2286 ranges.push(message.anchor_range.clone());
2287 }
2288 }
2289
2290 let buffer = self.buffer.read(cx).text_snapshot();
2291 let mut updated = Vec::new();
2292 let mut removed = Vec::new();
2293 for range in ranges {
2294 self.reparse_workflow_steps_in_range(range, &buffer, &mut updated, &mut removed, cx);
2295 }
2296
2297 if !updated.is_empty() || !removed.is_empty() {
2298 cx.emit(ContextEvent::WorkflowStepsUpdated { removed, updated })
2299 }
2300 }
2301
2302 pub fn update_metadata(
2303 &mut self,
2304 id: MessageId,
2305 cx: &mut ModelContext<Self>,
2306 f: impl FnOnce(&mut MessageMetadata),
2307 ) {
2308 let version = self.version.clone();
2309 let timestamp = self.next_timestamp();
2310 if let Some(metadata) = self.messages_metadata.get_mut(&id) {
2311 f(metadata);
2312 metadata.timestamp = timestamp;
2313 let operation = ContextOperation::UpdateMessage {
2314 message_id: id,
2315 metadata: metadata.clone(),
2316 version,
2317 };
2318 self.push_op(operation, cx);
2319 cx.emit(ContextEvent::MessagesEdited);
2320 cx.notify();
2321 }
2322 }
2323
2324 pub fn insert_message_after(
2325 &mut self,
2326 message_id: MessageId,
2327 role: Role,
2328 status: MessageStatus,
2329 cx: &mut ModelContext<Self>,
2330 ) -> Option<MessageAnchor> {
2331 if let Some(prev_message_ix) = self
2332 .message_anchors
2333 .iter()
2334 .position(|message| message.id == message_id)
2335 {
2336 // Find the next valid message after the one we were given.
2337 let mut next_message_ix = prev_message_ix + 1;
2338 while let Some(next_message) = self.message_anchors.get(next_message_ix) {
2339 if next_message.start.is_valid(self.buffer.read(cx)) {
2340 break;
2341 }
2342 next_message_ix += 1;
2343 }
2344
2345 let start = self.buffer.update(cx, |buffer, cx| {
2346 let offset = self
2347 .message_anchors
2348 .get(next_message_ix)
2349 .map_or(buffer.len(), |message| {
2350 buffer.clip_offset(message.start.to_offset(buffer) - 1, Bias::Left)
2351 });
2352 buffer.edit([(offset..offset, "\n")], None, cx);
2353 buffer.anchor_before(offset + 1)
2354 });
2355
2356 let version = self.version.clone();
2357 let anchor = MessageAnchor {
2358 id: MessageId(self.next_timestamp()),
2359 start,
2360 };
2361 let metadata = MessageMetadata {
2362 role,
2363 status,
2364 timestamp: anchor.id.0,
2365 cache: None,
2366 };
2367 self.insert_message(anchor.clone(), metadata.clone(), cx);
2368 self.push_op(
2369 ContextOperation::InsertMessage {
2370 anchor: anchor.clone(),
2371 metadata,
2372 version,
2373 },
2374 cx,
2375 );
2376 Some(anchor)
2377 } else {
2378 None
2379 }
2380 }
2381
2382 pub fn insert_content(&mut self, content: Content, cx: &mut ModelContext<Self>) {
2383 let buffer = self.buffer.read(cx);
2384 let insertion_ix = match self
2385 .contents
2386 .binary_search_by(|probe| probe.cmp(&content, buffer))
2387 {
2388 Ok(ix) => {
2389 self.contents.remove(ix);
2390 ix
2391 }
2392 Err(ix) => ix,
2393 };
2394 self.contents.insert(insertion_ix, content);
2395 cx.emit(ContextEvent::MessagesEdited);
2396 }
2397
2398 pub fn contents<'a>(&'a self, cx: &'a AppContext) -> impl 'a + Iterator<Item = Content> {
2399 let buffer = self.buffer.read(cx);
2400 self.contents
2401 .iter()
2402 .filter(|content| {
2403 let range = content.range();
2404 range.start.is_valid(buffer) && range.end.is_valid(buffer)
2405 })
2406 .cloned()
2407 }
2408
2409 pub fn split_message(
2410 &mut self,
2411 range: Range<usize>,
2412 cx: &mut ModelContext<Self>,
2413 ) -> (Option<MessageAnchor>, Option<MessageAnchor>) {
2414 let start_message = self.message_for_offset(range.start, cx);
2415 let end_message = self.message_for_offset(range.end, cx);
2416 if let Some((start_message, end_message)) = start_message.zip(end_message) {
2417 // Prevent splitting when range spans multiple messages.
2418 if start_message.id != end_message.id {
2419 return (None, None);
2420 }
2421
2422 let message = start_message;
2423 let role = message.role;
2424 let mut edited_buffer = false;
2425
2426 let mut suffix_start = None;
2427
2428 // TODO: why did this start panicking?
2429 if range.start > message.offset_range.start
2430 && range.end < message.offset_range.end.saturating_sub(1)
2431 {
2432 if self.buffer.read(cx).chars_at(range.end).next() == Some('\n') {
2433 suffix_start = Some(range.end + 1);
2434 } else if self.buffer.read(cx).reversed_chars_at(range.end).next() == Some('\n') {
2435 suffix_start = Some(range.end);
2436 }
2437 }
2438
2439 let version = self.version.clone();
2440 let suffix = if let Some(suffix_start) = suffix_start {
2441 MessageAnchor {
2442 id: MessageId(self.next_timestamp()),
2443 start: self.buffer.read(cx).anchor_before(suffix_start),
2444 }
2445 } else {
2446 self.buffer.update(cx, |buffer, cx| {
2447 buffer.edit([(range.end..range.end, "\n")], None, cx);
2448 });
2449 edited_buffer = true;
2450 MessageAnchor {
2451 id: MessageId(self.next_timestamp()),
2452 start: self.buffer.read(cx).anchor_before(range.end + 1),
2453 }
2454 };
2455
2456 let suffix_metadata = MessageMetadata {
2457 role,
2458 status: MessageStatus::Done,
2459 timestamp: suffix.id.0,
2460 cache: None,
2461 };
2462 self.insert_message(suffix.clone(), suffix_metadata.clone(), cx);
2463 self.push_op(
2464 ContextOperation::InsertMessage {
2465 anchor: suffix.clone(),
2466 metadata: suffix_metadata,
2467 version,
2468 },
2469 cx,
2470 );
2471
2472 let new_messages =
2473 if range.start == range.end || range.start == message.offset_range.start {
2474 (None, Some(suffix))
2475 } else {
2476 let mut prefix_end = None;
2477 if range.start > message.offset_range.start
2478 && range.end < message.offset_range.end - 1
2479 {
2480 if self.buffer.read(cx).chars_at(range.start).next() == Some('\n') {
2481 prefix_end = Some(range.start + 1);
2482 } else if self.buffer.read(cx).reversed_chars_at(range.start).next()
2483 == Some('\n')
2484 {
2485 prefix_end = Some(range.start);
2486 }
2487 }
2488
2489 let version = self.version.clone();
2490 let selection = if let Some(prefix_end) = prefix_end {
2491 MessageAnchor {
2492 id: MessageId(self.next_timestamp()),
2493 start: self.buffer.read(cx).anchor_before(prefix_end),
2494 }
2495 } else {
2496 self.buffer.update(cx, |buffer, cx| {
2497 buffer.edit([(range.start..range.start, "\n")], None, cx)
2498 });
2499 edited_buffer = true;
2500 MessageAnchor {
2501 id: MessageId(self.next_timestamp()),
2502 start: self.buffer.read(cx).anchor_before(range.end + 1),
2503 }
2504 };
2505
2506 let selection_metadata = MessageMetadata {
2507 role,
2508 status: MessageStatus::Done,
2509 timestamp: selection.id.0,
2510 cache: None,
2511 };
2512 self.insert_message(selection.clone(), selection_metadata.clone(), cx);
2513 self.push_op(
2514 ContextOperation::InsertMessage {
2515 anchor: selection.clone(),
2516 metadata: selection_metadata,
2517 version,
2518 },
2519 cx,
2520 );
2521
2522 (Some(selection), Some(suffix))
2523 };
2524
2525 if !edited_buffer {
2526 cx.emit(ContextEvent::MessagesEdited);
2527 }
2528 new_messages
2529 } else {
2530 (None, None)
2531 }
2532 }
2533
2534 fn insert_message(
2535 &mut self,
2536 new_anchor: MessageAnchor,
2537 new_metadata: MessageMetadata,
2538 cx: &mut ModelContext<Self>,
2539 ) {
2540 cx.emit(ContextEvent::MessagesEdited);
2541
2542 self.messages_metadata.insert(new_anchor.id, new_metadata);
2543
2544 let buffer = self.buffer.read(cx);
2545 let insertion_ix = self
2546 .message_anchors
2547 .iter()
2548 .position(|anchor| {
2549 let comparison = new_anchor.start.cmp(&anchor.start, buffer);
2550 comparison.is_lt() || (comparison.is_eq() && new_anchor.id > anchor.id)
2551 })
2552 .unwrap_or(self.message_anchors.len());
2553 self.message_anchors.insert(insertion_ix, new_anchor);
2554 }
2555
2556 pub(super) fn summarize(&mut self, replace_old: bool, cx: &mut ModelContext<Self>) {
2557 let Some(provider) = LanguageModelRegistry::read_global(cx).active_provider() else {
2558 return;
2559 };
2560 let Some(model) = LanguageModelRegistry::read_global(cx).active_model() else {
2561 return;
2562 };
2563
2564 if replace_old || (self.message_anchors.len() >= 2 && self.summary.is_none()) {
2565 if !provider.is_authenticated(cx) {
2566 return;
2567 }
2568
2569 let mut request = self.to_completion_request(cx);
2570 request.messages.push(LanguageModelRequestMessage {
2571 role: Role::User,
2572 content: vec![
2573 "Summarize the context into a short title without punctuation.".into(),
2574 ],
2575 cache: false,
2576 });
2577
2578 self.pending_summary = cx.spawn(|this, mut cx| {
2579 async move {
2580 let stream = model.stream_completion_text(request, &cx);
2581 let mut messages = stream.await?;
2582
2583 let mut replaced = !replace_old;
2584 while let Some(message) = messages.next().await {
2585 let text = message?;
2586 let mut lines = text.lines();
2587 this.update(&mut cx, |this, cx| {
2588 let version = this.version.clone();
2589 let timestamp = this.next_timestamp();
2590 let summary = this.summary.get_or_insert(ContextSummary::default());
2591 if !replaced && replace_old {
2592 summary.text.clear();
2593 replaced = true;
2594 }
2595 summary.text.extend(lines.next());
2596 summary.timestamp = timestamp;
2597 let operation = ContextOperation::UpdateSummary {
2598 summary: summary.clone(),
2599 version,
2600 };
2601 this.push_op(operation, cx);
2602 cx.emit(ContextEvent::SummaryChanged);
2603 })?;
2604
2605 // Stop if the LLM generated multiple lines.
2606 if lines.next().is_some() {
2607 break;
2608 }
2609 }
2610
2611 this.update(&mut cx, |this, cx| {
2612 let version = this.version.clone();
2613 let timestamp = this.next_timestamp();
2614 if let Some(summary) = this.summary.as_mut() {
2615 summary.done = true;
2616 summary.timestamp = timestamp;
2617 let operation = ContextOperation::UpdateSummary {
2618 summary: summary.clone(),
2619 version,
2620 };
2621 this.push_op(operation, cx);
2622 cx.emit(ContextEvent::SummaryChanged);
2623 }
2624 })?;
2625
2626 anyhow::Ok(())
2627 }
2628 .log_err()
2629 });
2630 }
2631 }
2632
2633 fn message_for_offset(&self, offset: usize, cx: &AppContext) -> Option<Message> {
2634 self.messages_for_offsets([offset], cx).pop()
2635 }
2636
2637 pub fn messages_for_offsets(
2638 &self,
2639 offsets: impl IntoIterator<Item = usize>,
2640 cx: &AppContext,
2641 ) -> Vec<Message> {
2642 let mut result = Vec::new();
2643
2644 let mut messages = self.messages(cx).peekable();
2645 let mut offsets = offsets.into_iter().peekable();
2646 let mut current_message = messages.next();
2647 while let Some(offset) = offsets.next() {
2648 // Locate the message that contains the offset.
2649 while current_message.as_ref().map_or(false, |message| {
2650 !message.offset_range.contains(&offset) && messages.peek().is_some()
2651 }) {
2652 current_message = messages.next();
2653 }
2654 let Some(message) = current_message.as_ref() else {
2655 break;
2656 };
2657
2658 // Skip offsets that are in the same message.
2659 while offsets.peek().map_or(false, |offset| {
2660 message.offset_range.contains(offset) || messages.peek().is_none()
2661 }) {
2662 offsets.next();
2663 }
2664
2665 result.push(message.clone());
2666 }
2667 result
2668 }
2669
2670 fn messages_from_anchors<'a>(
2671 &'a self,
2672 message_anchors: impl Iterator<Item = &'a MessageAnchor> + 'a,
2673 cx: &'a AppContext,
2674 ) -> impl 'a + Iterator<Item = Message> {
2675 let buffer = self.buffer.read(cx);
2676
2677 Self::messages_from_iters(buffer, &self.messages_metadata, message_anchors.enumerate())
2678 }
2679
2680 pub fn messages<'a>(&'a self, cx: &'a AppContext) -> impl 'a + Iterator<Item = Message> {
2681 self.messages_from_anchors(self.message_anchors.iter(), cx)
2682 }
2683
2684 pub fn messages_from_iters<'a>(
2685 buffer: &'a Buffer,
2686 metadata: &'a HashMap<MessageId, MessageMetadata>,
2687 messages: impl Iterator<Item = (usize, &'a MessageAnchor)> + 'a,
2688 ) -> impl 'a + Iterator<Item = Message> {
2689 let mut messages = messages.peekable();
2690
2691 iter::from_fn(move || {
2692 if let Some((start_ix, message_anchor)) = messages.next() {
2693 let metadata = metadata.get(&message_anchor.id)?;
2694
2695 let message_start = message_anchor.start.to_offset(buffer);
2696 let mut message_end = None;
2697 let mut end_ix = start_ix;
2698 while let Some((_, next_message)) = messages.peek() {
2699 if next_message.start.is_valid(buffer) {
2700 message_end = Some(next_message.start);
2701 break;
2702 } else {
2703 end_ix += 1;
2704 messages.next();
2705 }
2706 }
2707 let message_end_anchor = message_end.unwrap_or(language::Anchor::MAX);
2708 let message_end = message_end_anchor.to_offset(buffer);
2709
2710 return Some(Message {
2711 index_range: start_ix..end_ix,
2712 offset_range: message_start..message_end,
2713 anchor_range: message_anchor.start..message_end_anchor,
2714 id: message_anchor.id,
2715 role: metadata.role,
2716 status: metadata.status.clone(),
2717 cache: metadata.cache.clone(),
2718 });
2719 }
2720 None
2721 })
2722 }
2723
2724 pub fn save(
2725 &mut self,
2726 debounce: Option<Duration>,
2727 fs: Arc<dyn Fs>,
2728 cx: &mut ModelContext<Context>,
2729 ) {
2730 if self.replica_id() != ReplicaId::default() {
2731 // Prevent saving a remote context for now.
2732 return;
2733 }
2734
2735 self.pending_save = cx.spawn(|this, mut cx| async move {
2736 if let Some(debounce) = debounce {
2737 cx.background_executor().timer(debounce).await;
2738 }
2739
2740 let (old_path, summary) = this.read_with(&cx, |this, _| {
2741 let path = this.path.clone();
2742 let summary = if let Some(summary) = this.summary.as_ref() {
2743 if summary.done {
2744 Some(summary.text.clone())
2745 } else {
2746 None
2747 }
2748 } else {
2749 None
2750 };
2751 (path, summary)
2752 })?;
2753
2754 if let Some(summary) = summary {
2755 let context = this.read_with(&cx, |this, cx| this.serialize(cx))?;
2756 let mut discriminant = 1;
2757 let mut new_path;
2758 loop {
2759 new_path = contexts_dir().join(&format!(
2760 "{} - {}.zed.json",
2761 summary.trim(),
2762 discriminant
2763 ));
2764 if fs.is_file(&new_path).await {
2765 discriminant += 1;
2766 } else {
2767 break;
2768 }
2769 }
2770
2771 fs.create_dir(contexts_dir().as_ref()).await?;
2772 fs.atomic_write(new_path.clone(), serde_json::to_string(&context).unwrap())
2773 .await?;
2774 if let Some(old_path) = old_path {
2775 if new_path != old_path {
2776 fs.remove_file(
2777 &old_path,
2778 RemoveOptions {
2779 recursive: false,
2780 ignore_if_not_exists: true,
2781 },
2782 )
2783 .await?;
2784 }
2785 }
2786
2787 this.update(&mut cx, |this, _| this.path = Some(new_path))?;
2788 }
2789
2790 Ok(())
2791 });
2792 }
2793
2794 pub(crate) fn custom_summary(&mut self, custom_summary: String, cx: &mut ModelContext<Self>) {
2795 let timestamp = self.next_timestamp();
2796 let summary = self.summary.get_or_insert(ContextSummary::default());
2797 summary.timestamp = timestamp;
2798 summary.done = true;
2799 summary.text = custom_summary;
2800 cx.emit(ContextEvent::SummaryChanged);
2801 }
2802}
2803
2804#[derive(Debug, Default)]
2805pub struct ContextVersion {
2806 context: clock::Global,
2807 buffer: clock::Global,
2808}
2809
2810impl ContextVersion {
2811 pub fn from_proto(proto: &proto::ContextVersion) -> Self {
2812 Self {
2813 context: language::proto::deserialize_version(&proto.context_version),
2814 buffer: language::proto::deserialize_version(&proto.buffer_version),
2815 }
2816 }
2817
2818 pub fn to_proto(&self, context_id: ContextId) -> proto::ContextVersion {
2819 proto::ContextVersion {
2820 context_id: context_id.to_proto(),
2821 context_version: language::proto::serialize_version(&self.context),
2822 buffer_version: language::proto::serialize_version(&self.buffer),
2823 }
2824 }
2825}
2826
2827#[derive(Debug, Clone)]
2828pub struct PendingSlashCommand {
2829 pub name: String,
2830 pub arguments: SmallVec<[String; 3]>,
2831 pub status: PendingSlashCommandStatus,
2832 pub source_range: Range<language::Anchor>,
2833}
2834
2835#[derive(Debug, Clone)]
2836pub enum PendingSlashCommandStatus {
2837 Idle,
2838 Running { _task: Shared<Task<()>> },
2839 Error(String),
2840}
2841
2842pub(crate) struct ToolUseFeatureFlag;
2843
2844impl FeatureFlag for ToolUseFeatureFlag {
2845 const NAME: &'static str = "assistant-tool-use";
2846
2847 fn enabled_for_staff() -> bool {
2848 false
2849 }
2850}
2851
2852#[derive(Debug, Clone)]
2853pub struct PendingToolUse {
2854 pub id: Arc<str>,
2855 pub name: String,
2856 pub input: serde_json::Value,
2857 pub status: PendingToolUseStatus,
2858 pub source_range: Range<language::Anchor>,
2859}
2860
2861#[derive(Debug, Clone)]
2862pub enum PendingToolUseStatus {
2863 Idle,
2864 Running { _task: Shared<Task<()>> },
2865 Error(String),
2866}
2867
2868impl PendingToolUseStatus {
2869 pub fn is_idle(&self) -> bool {
2870 matches!(self, PendingToolUseStatus::Idle)
2871 }
2872}
2873
2874#[derive(Serialize, Deserialize)]
2875pub struct SavedMessage {
2876 pub id: MessageId,
2877 pub start: usize,
2878 pub metadata: MessageMetadata,
2879}
2880
2881#[derive(Serialize, Deserialize)]
2882pub struct SavedContext {
2883 pub id: Option<ContextId>,
2884 pub zed: String,
2885 pub version: String,
2886 pub text: String,
2887 pub messages: Vec<SavedMessage>,
2888 pub summary: String,
2889 pub slash_command_output_sections:
2890 Vec<assistant_slash_command::SlashCommandOutputSection<usize>>,
2891}
2892
2893impl SavedContext {
2894 pub const VERSION: &'static str = "0.4.0";
2895
2896 pub fn from_json(json: &str) -> Result<Self> {
2897 let saved_context_json = serde_json::from_str::<serde_json::Value>(json)?;
2898 match saved_context_json
2899 .get("version")
2900 .ok_or_else(|| anyhow!("version not found"))?
2901 {
2902 serde_json::Value::String(version) => match version.as_str() {
2903 SavedContext::VERSION => {
2904 Ok(serde_json::from_value::<SavedContext>(saved_context_json)?)
2905 }
2906 SavedContextV0_3_0::VERSION => {
2907 let saved_context =
2908 serde_json::from_value::<SavedContextV0_3_0>(saved_context_json)?;
2909 Ok(saved_context.upgrade())
2910 }
2911 SavedContextV0_2_0::VERSION => {
2912 let saved_context =
2913 serde_json::from_value::<SavedContextV0_2_0>(saved_context_json)?;
2914 Ok(saved_context.upgrade())
2915 }
2916 SavedContextV0_1_0::VERSION => {
2917 let saved_context =
2918 serde_json::from_value::<SavedContextV0_1_0>(saved_context_json)?;
2919 Ok(saved_context.upgrade())
2920 }
2921 _ => Err(anyhow!("unrecognized saved context version: {}", version)),
2922 },
2923 _ => Err(anyhow!("version not found on saved context")),
2924 }
2925 }
2926
2927 fn into_ops(
2928 self,
2929 buffer: &Model<Buffer>,
2930 cx: &mut ModelContext<Context>,
2931 ) -> Vec<ContextOperation> {
2932 let mut operations = Vec::new();
2933 let mut version = clock::Global::new();
2934 let mut next_timestamp = clock::Lamport::new(ReplicaId::default());
2935
2936 let mut first_message_metadata = None;
2937 for message in self.messages {
2938 if message.id == MessageId(clock::Lamport::default()) {
2939 first_message_metadata = Some(message.metadata);
2940 } else {
2941 operations.push(ContextOperation::InsertMessage {
2942 anchor: MessageAnchor {
2943 id: message.id,
2944 start: buffer.read(cx).anchor_before(message.start),
2945 },
2946 metadata: MessageMetadata {
2947 role: message.metadata.role,
2948 status: message.metadata.status,
2949 timestamp: message.metadata.timestamp,
2950 cache: None,
2951 },
2952 version: version.clone(),
2953 });
2954 version.observe(message.id.0);
2955 next_timestamp.observe(message.id.0);
2956 }
2957 }
2958
2959 if let Some(metadata) = first_message_metadata {
2960 let timestamp = next_timestamp.tick();
2961 operations.push(ContextOperation::UpdateMessage {
2962 message_id: MessageId(clock::Lamport::default()),
2963 metadata: MessageMetadata {
2964 role: metadata.role,
2965 status: metadata.status,
2966 timestamp,
2967 cache: None,
2968 },
2969 version: version.clone(),
2970 });
2971 version.observe(timestamp);
2972 }
2973
2974 let timestamp = next_timestamp.tick();
2975 operations.push(ContextOperation::SlashCommandFinished {
2976 id: SlashCommandId(timestamp),
2977 output_range: language::Anchor::MIN..language::Anchor::MAX,
2978 sections: self
2979 .slash_command_output_sections
2980 .into_iter()
2981 .map(|section| {
2982 let buffer = buffer.read(cx);
2983 SlashCommandOutputSection {
2984 range: buffer.anchor_after(section.range.start)
2985 ..buffer.anchor_before(section.range.end),
2986 icon: section.icon,
2987 label: section.label,
2988 metadata: section.metadata,
2989 }
2990 })
2991 .collect(),
2992 version: version.clone(),
2993 });
2994 version.observe(timestamp);
2995
2996 let timestamp = next_timestamp.tick();
2997 operations.push(ContextOperation::UpdateSummary {
2998 summary: ContextSummary {
2999 text: self.summary,
3000 done: true,
3001 timestamp,
3002 },
3003 version: version.clone(),
3004 });
3005 version.observe(timestamp);
3006
3007 operations
3008 }
3009}
3010
3011#[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
3012struct SavedMessageIdPreV0_4_0(usize);
3013
3014#[derive(Serialize, Deserialize)]
3015struct SavedMessagePreV0_4_0 {
3016 id: SavedMessageIdPreV0_4_0,
3017 start: usize,
3018}
3019
3020#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
3021struct SavedMessageMetadataPreV0_4_0 {
3022 role: Role,
3023 status: MessageStatus,
3024}
3025
3026#[derive(Serialize, Deserialize)]
3027struct SavedContextV0_3_0 {
3028 id: Option<ContextId>,
3029 zed: String,
3030 version: String,
3031 text: String,
3032 messages: Vec<SavedMessagePreV0_4_0>,
3033 message_metadata: HashMap<SavedMessageIdPreV0_4_0, SavedMessageMetadataPreV0_4_0>,
3034 summary: String,
3035 slash_command_output_sections: Vec<assistant_slash_command::SlashCommandOutputSection<usize>>,
3036}
3037
3038impl SavedContextV0_3_0 {
3039 const VERSION: &'static str = "0.3.0";
3040
3041 fn upgrade(self) -> SavedContext {
3042 SavedContext {
3043 id: self.id,
3044 zed: self.zed,
3045 version: SavedContext::VERSION.into(),
3046 text: self.text,
3047 messages: self
3048 .messages
3049 .into_iter()
3050 .filter_map(|message| {
3051 let metadata = self.message_metadata.get(&message.id)?;
3052 let timestamp = clock::Lamport {
3053 replica_id: ReplicaId::default(),
3054 value: message.id.0 as u32,
3055 };
3056 Some(SavedMessage {
3057 id: MessageId(timestamp),
3058 start: message.start,
3059 metadata: MessageMetadata {
3060 role: metadata.role,
3061 status: metadata.status.clone(),
3062 timestamp,
3063 cache: None,
3064 },
3065 })
3066 })
3067 .collect(),
3068 summary: self.summary,
3069 slash_command_output_sections: self.slash_command_output_sections,
3070 }
3071 }
3072}
3073
3074#[derive(Serialize, Deserialize)]
3075struct SavedContextV0_2_0 {
3076 id: Option<ContextId>,
3077 zed: String,
3078 version: String,
3079 text: String,
3080 messages: Vec<SavedMessagePreV0_4_0>,
3081 message_metadata: HashMap<SavedMessageIdPreV0_4_0, SavedMessageMetadataPreV0_4_0>,
3082 summary: String,
3083}
3084
3085impl SavedContextV0_2_0 {
3086 const VERSION: &'static str = "0.2.0";
3087
3088 fn upgrade(self) -> SavedContext {
3089 SavedContextV0_3_0 {
3090 id: self.id,
3091 zed: self.zed,
3092 version: SavedContextV0_3_0::VERSION.to_string(),
3093 text: self.text,
3094 messages: self.messages,
3095 message_metadata: self.message_metadata,
3096 summary: self.summary,
3097 slash_command_output_sections: Vec::new(),
3098 }
3099 .upgrade()
3100 }
3101}
3102
3103#[derive(Serialize, Deserialize)]
3104struct SavedContextV0_1_0 {
3105 id: Option<ContextId>,
3106 zed: String,
3107 version: String,
3108 text: String,
3109 messages: Vec<SavedMessagePreV0_4_0>,
3110 message_metadata: HashMap<SavedMessageIdPreV0_4_0, SavedMessageMetadataPreV0_4_0>,
3111 summary: String,
3112 api_url: Option<String>,
3113 model: OpenAiModel,
3114}
3115
3116impl SavedContextV0_1_0 {
3117 const VERSION: &'static str = "0.1.0";
3118
3119 fn upgrade(self) -> SavedContext {
3120 SavedContextV0_2_0 {
3121 id: self.id,
3122 zed: self.zed,
3123 version: SavedContextV0_2_0::VERSION.to_string(),
3124 text: self.text,
3125 messages: self.messages,
3126 message_metadata: self.message_metadata,
3127 summary: self.summary,
3128 }
3129 .upgrade()
3130 }
3131}
3132
3133#[derive(Clone)]
3134pub struct SavedContextMetadata {
3135 pub title: String,
3136 pub path: PathBuf,
3137 pub mtime: chrono::DateTime<chrono::Local>,
3138}