use agent_settings::{AgentSettings, SUMMARIZE_THREAD_PROMPT}; use anyhow::{Context as _, Result, bail}; use assistant_slash_command::{ SlashCommandContent, SlashCommandEvent, SlashCommandLine, SlashCommandOutputSection, SlashCommandResult, SlashCommandWorkingSet, }; use client::{self, proto}; use clock::ReplicaId; use collections::{HashMap, HashSet}; use fs::{Fs, RenameOptions}; use futures::{FutureExt, StreamExt, future::Shared}; use gpui::{ App, AppContext as _, Context, Entity, EventEmitter, RenderImage, SharedString, Subscription, Task, }; use itertools::Itertools as _; use language::{AnchorRangeExt, Bias, Buffer, LanguageRegistry, OffsetRangeExt, Point, ToOffset}; use language_model::{ AnthropicCompletionType, AnthropicEventData, AnthropicEventType, CompletionIntent, LanguageModel, LanguageModelCacheConfiguration, LanguageModelCompletionEvent, LanguageModelImage, LanguageModelRegistry, LanguageModelRequest, LanguageModelRequestMessage, LanguageModelToolUseId, MessageContent, PaymentRequiredError, Role, StopReason, report_anthropic_event, }; use open_ai::Model as OpenAiModel; use paths::text_threads_dir; use prompt_store::PromptBuilder; use serde::{Deserialize, Serialize}; use smallvec::SmallVec; use std::{ cmp::{Ordering, max}, fmt::{Debug, Write as _}, iter, mem, ops::Range, path::Path, sync::Arc, time::{Duration, Instant}, }; use text::{BufferSnapshot, ToPoint}; use ui::IconName; use util::{ResultExt, TryFutureExt, post_inc}; use uuid::Uuid; #[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord, Serialize, Deserialize)] pub struct TextThreadId(String); impl TextThreadId { pub fn new() -> Self { Self(Uuid::new_v4().to_string()) } pub fn from_proto(id: String) -> Self { Self(id) } pub fn to_proto(&self) -> String { self.0.clone() } } #[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord, Hash, Serialize, Deserialize)] pub struct MessageId(pub clock::Lamport); impl MessageId { pub fn as_u64(self) -> u64 { self.0.as_u64() } } #[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)] pub enum MessageStatus { Pending, Done, Error(SharedString), Canceled, } impl MessageStatus { pub fn from_proto(status: proto::ContextMessageStatus) -> MessageStatus { match status.variant { Some(proto::context_message_status::Variant::Pending(_)) => MessageStatus::Pending, Some(proto::context_message_status::Variant::Done(_)) => MessageStatus::Done, Some(proto::context_message_status::Variant::Error(error)) => { MessageStatus::Error(error.message.into()) } Some(proto::context_message_status::Variant::Canceled(_)) => MessageStatus::Canceled, None => MessageStatus::Pending, } } pub fn to_proto(&self) -> proto::ContextMessageStatus { match self { MessageStatus::Pending => proto::ContextMessageStatus { variant: Some(proto::context_message_status::Variant::Pending( proto::context_message_status::Pending {}, )), }, MessageStatus::Done => proto::ContextMessageStatus { variant: Some(proto::context_message_status::Variant::Done( proto::context_message_status::Done {}, )), }, MessageStatus::Error(message) => proto::ContextMessageStatus { variant: Some(proto::context_message_status::Variant::Error( proto::context_message_status::Error { message: message.to_string(), }, )), }, MessageStatus::Canceled => proto::ContextMessageStatus { variant: Some(proto::context_message_status::Variant::Canceled( proto::context_message_status::Canceled {}, )), }, } } } #[derive(Clone, Debug)] pub enum TextThreadOperation { InsertMessage { anchor: MessageAnchor, metadata: MessageMetadata, version: clock::Global, }, UpdateMessage { message_id: MessageId, metadata: MessageMetadata, version: clock::Global, }, UpdateSummary { summary: TextThreadSummaryContent, version: clock::Global, }, SlashCommandStarted { id: InvokedSlashCommandId, output_range: Range, name: String, version: clock::Global, }, SlashCommandFinished { id: InvokedSlashCommandId, timestamp: clock::Lamport, error_message: Option, version: clock::Global, }, SlashCommandOutputSectionAdded { timestamp: clock::Lamport, section: SlashCommandOutputSection, version: clock::Global, }, ThoughtProcessOutputSectionAdded { timestamp: clock::Lamport, section: ThoughtProcessOutputSection, version: clock::Global, }, BufferOperation(language::Operation), } impl TextThreadOperation { pub fn from_proto(op: proto::ContextOperation) -> Result { match op.variant.context("invalid variant")? { proto::context_operation::Variant::InsertMessage(insert) => { let message = insert.message.context("invalid message")?; let id = MessageId(language::proto::deserialize_timestamp( message.id.context("invalid id")?, )); Ok(Self::InsertMessage { anchor: MessageAnchor { id, start: language::proto::deserialize_anchor( message.start.context("invalid anchor")?, ) .context("invalid anchor")?, }, metadata: MessageMetadata { role: Role::from_proto(message.role), status: MessageStatus::from_proto( message.status.context("invalid status")?, ), timestamp: id.0, cache: None, }, version: language::proto::deserialize_version(&insert.version), }) } proto::context_operation::Variant::UpdateMessage(update) => Ok(Self::UpdateMessage { message_id: MessageId(language::proto::deserialize_timestamp( update.message_id.context("invalid message id")?, )), metadata: MessageMetadata { role: Role::from_proto(update.role), status: MessageStatus::from_proto(update.status.context("invalid status")?), timestamp: language::proto::deserialize_timestamp( update.timestamp.context("invalid timestamp")?, ), cache: None, }, version: language::proto::deserialize_version(&update.version), }), proto::context_operation::Variant::UpdateSummary(update) => Ok(Self::UpdateSummary { summary: TextThreadSummaryContent { text: update.summary, done: update.done, timestamp: language::proto::deserialize_timestamp( update.timestamp.context("invalid timestamp")?, ), }, version: language::proto::deserialize_version(&update.version), }), proto::context_operation::Variant::SlashCommandStarted(message) => { Ok(Self::SlashCommandStarted { id: InvokedSlashCommandId(language::proto::deserialize_timestamp( message.id.context("invalid id")?, )), output_range: language::proto::deserialize_anchor_range( message.output_range.context("invalid range")?, )?, name: message.name, version: language::proto::deserialize_version(&message.version), }) } proto::context_operation::Variant::SlashCommandOutputSectionAdded(message) => { let section = message.section.context("missing section")?; Ok(Self::SlashCommandOutputSectionAdded { timestamp: language::proto::deserialize_timestamp( message.timestamp.context("missing timestamp")?, ), section: SlashCommandOutputSection { range: language::proto::deserialize_anchor_range( section.range.context("invalid range")?, )?, icon: section.icon_name.parse()?, label: section.label.into(), metadata: section .metadata .and_then(|metadata| serde_json::from_str(&metadata).log_err()), }, version: language::proto::deserialize_version(&message.version), }) } proto::context_operation::Variant::SlashCommandCompleted(message) => { Ok(Self::SlashCommandFinished { id: InvokedSlashCommandId(language::proto::deserialize_timestamp( message.id.context("invalid id")?, )), timestamp: language::proto::deserialize_timestamp( message.timestamp.context("missing timestamp")?, ), error_message: message.error_message, version: language::proto::deserialize_version(&message.version), }) } proto::context_operation::Variant::ThoughtProcessOutputSectionAdded(message) => { let section = message.section.context("missing section")?; Ok(Self::ThoughtProcessOutputSectionAdded { timestamp: language::proto::deserialize_timestamp( message.timestamp.context("missing timestamp")?, ), section: ThoughtProcessOutputSection { range: language::proto::deserialize_anchor_range( section.range.context("invalid range")?, )?, }, version: language::proto::deserialize_version(&message.version), }) } proto::context_operation::Variant::BufferOperation(op) => Ok(Self::BufferOperation( language::proto::deserialize_operation( op.operation.context("invalid buffer operation")?, )?, )), } } pub fn to_proto(&self) -> proto::ContextOperation { match self { Self::InsertMessage { anchor, metadata, version, } => proto::ContextOperation { variant: Some(proto::context_operation::Variant::InsertMessage( proto::context_operation::InsertMessage { message: Some(proto::ContextMessage { id: Some(language::proto::serialize_timestamp(anchor.id.0)), start: Some(language::proto::serialize_anchor(&anchor.start)), role: metadata.role.to_proto() as i32, status: Some(metadata.status.to_proto()), }), version: language::proto::serialize_version(version), }, )), }, Self::UpdateMessage { message_id, metadata, version, } => proto::ContextOperation { variant: Some(proto::context_operation::Variant::UpdateMessage( proto::context_operation::UpdateMessage { message_id: Some(language::proto::serialize_timestamp(message_id.0)), role: metadata.role.to_proto() as i32, status: Some(metadata.status.to_proto()), timestamp: Some(language::proto::serialize_timestamp(metadata.timestamp)), version: language::proto::serialize_version(version), }, )), }, Self::UpdateSummary { summary, version } => proto::ContextOperation { variant: Some(proto::context_operation::Variant::UpdateSummary( proto::context_operation::UpdateSummary { summary: summary.text.clone(), done: summary.done, timestamp: Some(language::proto::serialize_timestamp(summary.timestamp)), version: language::proto::serialize_version(version), }, )), }, Self::SlashCommandStarted { id, output_range, name, version, } => proto::ContextOperation { variant: Some(proto::context_operation::Variant::SlashCommandStarted( proto::context_operation::SlashCommandStarted { id: Some(language::proto::serialize_timestamp(id.0)), output_range: Some(language::proto::serialize_anchor_range( output_range.clone(), )), name: name.clone(), version: language::proto::serialize_version(version), }, )), }, Self::SlashCommandOutputSectionAdded { timestamp, section, version, } => proto::ContextOperation { variant: Some( proto::context_operation::Variant::SlashCommandOutputSectionAdded( proto::context_operation::SlashCommandOutputSectionAdded { timestamp: Some(language::proto::serialize_timestamp(*timestamp)), section: Some({ let icon_name: &'static str = section.icon.into(); proto::SlashCommandOutputSection { range: Some(language::proto::serialize_anchor_range( section.range.clone(), )), icon_name: icon_name.to_string(), label: section.label.to_string(), metadata: section.metadata.as_ref().and_then(|metadata| { serde_json::to_string(metadata).log_err() }), } }), version: language::proto::serialize_version(version), }, ), ), }, Self::SlashCommandFinished { id, timestamp, error_message, version, } => proto::ContextOperation { variant: Some(proto::context_operation::Variant::SlashCommandCompleted( proto::context_operation::SlashCommandCompleted { id: Some(language::proto::serialize_timestamp(id.0)), timestamp: Some(language::proto::serialize_timestamp(*timestamp)), error_message: error_message.clone(), version: language::proto::serialize_version(version), }, )), }, Self::ThoughtProcessOutputSectionAdded { timestamp, section, version, } => proto::ContextOperation { variant: Some( proto::context_operation::Variant::ThoughtProcessOutputSectionAdded( proto::context_operation::ThoughtProcessOutputSectionAdded { timestamp: Some(language::proto::serialize_timestamp(*timestamp)), section: Some({ proto::ThoughtProcessOutputSection { range: Some(language::proto::serialize_anchor_range( section.range.clone(), )), } }), version: language::proto::serialize_version(version), }, ), ), }, Self::BufferOperation(operation) => proto::ContextOperation { variant: Some(proto::context_operation::Variant::BufferOperation( proto::context_operation::BufferOperation { operation: Some(language::proto::serialize_operation(operation)), }, )), }, } } fn timestamp(&self) -> clock::Lamport { match self { Self::InsertMessage { anchor, .. } => anchor.id.0, Self::UpdateMessage { metadata, .. } => metadata.timestamp, Self::UpdateSummary { summary, .. } => summary.timestamp, Self::SlashCommandStarted { id, .. } => id.0, Self::SlashCommandOutputSectionAdded { timestamp, .. } | Self::SlashCommandFinished { timestamp, .. } | Self::ThoughtProcessOutputSectionAdded { timestamp, .. } => *timestamp, Self::BufferOperation(_) => { panic!("reading the timestamp of a buffer operation is not supported") } } } /// Returns the current version of the context operation. pub fn version(&self) -> &clock::Global { match self { Self::InsertMessage { version, .. } | Self::UpdateMessage { version, .. } | Self::UpdateSummary { version, .. } | Self::SlashCommandStarted { version, .. } | Self::SlashCommandOutputSectionAdded { version, .. } | Self::SlashCommandFinished { version, .. } | Self::ThoughtProcessOutputSectionAdded { version, .. } => version, Self::BufferOperation(_) => { panic!("reading the version of a buffer operation is not supported") } } } } #[derive(Debug, Clone)] pub enum TextThreadEvent { ShowAssistError(SharedString), ShowPaymentRequiredError, MessagesEdited, SummaryChanged, SummaryGenerated, PathChanged { old_path: Option>, new_path: Arc, }, StreamedCompletion, StartedThoughtProcess(Range), EndedThoughtProcess(language::Anchor), InvokedSlashCommandChanged { command_id: InvokedSlashCommandId, }, ParsedSlashCommandsUpdated { removed: Vec>, updated: Vec, }, SlashCommandOutputSectionAdded { section: SlashCommandOutputSection, }, Operation(TextThreadOperation), } #[derive(Clone, Debug, Eq, PartialEq)] pub enum TextThreadSummary { Pending, Content(TextThreadSummaryContent), Error, } #[derive(Clone, Debug, Eq, PartialEq)] pub struct TextThreadSummaryContent { pub text: String, pub done: bool, pub timestamp: clock::Lamport, } impl TextThreadSummary { pub const DEFAULT: &str = "New Text Thread"; pub fn or_default(&self) -> SharedString { self.unwrap_or(Self::DEFAULT) } pub fn unwrap_or(&self, message: impl Into) -> SharedString { self.content() .map_or_else(|| message.into(), |content| content.text.clone().into()) } pub fn content(&self) -> Option<&TextThreadSummaryContent> { match self { TextThreadSummary::Content(content) => Some(content), TextThreadSummary::Pending | TextThreadSummary::Error => None, } } fn content_as_mut(&mut self) -> Option<&mut TextThreadSummaryContent> { match self { TextThreadSummary::Content(content) => Some(content), TextThreadSummary::Pending | TextThreadSummary::Error => None, } } fn content_or_set_empty(&mut self) -> &mut TextThreadSummaryContent { match self { TextThreadSummary::Content(content) => content, TextThreadSummary::Pending | TextThreadSummary::Error => { let content = TextThreadSummaryContent { text: "".to_string(), done: false, timestamp: clock::Lamport::MIN, }; *self = TextThreadSummary::Content(content); self.content_as_mut().unwrap() } } } pub fn is_pending(&self) -> bool { matches!(self, TextThreadSummary::Pending) } fn timestamp(&self) -> Option { match self { TextThreadSummary::Content(content) => Some(content.timestamp), TextThreadSummary::Pending | TextThreadSummary::Error => None, } } } impl PartialOrd for TextThreadSummary { fn partial_cmp(&self, other: &Self) -> Option { self.timestamp().partial_cmp(&other.timestamp()) } } #[derive(Clone, Debug, Eq, PartialEq)] pub struct MessageAnchor { pub id: MessageId, pub start: language::Anchor, } #[derive(Clone, Debug, Eq, PartialEq)] pub enum CacheStatus { Pending, Cached, } #[derive(Clone, Debug, Eq, PartialEq)] pub struct MessageCacheMetadata { pub is_anchor: bool, pub is_final_anchor: bool, pub status: CacheStatus, pub cached_at: clock::Global, } #[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)] pub struct MessageMetadata { pub role: Role, pub status: MessageStatus, pub timestamp: clock::Lamport, #[serde(skip)] pub cache: Option, } impl From<&Message> for MessageMetadata { fn from(message: &Message) -> Self { Self { role: message.role, status: message.status.clone(), timestamp: message.id.0, cache: message.cache.clone(), } } } impl MessageMetadata { pub fn is_cache_valid(&self, buffer: &BufferSnapshot, range: &Range) -> bool { match &self.cache { Some(MessageCacheMetadata { cached_at, .. }) => !buffer.has_edits_since_in_range( cached_at, Range { start: buffer.anchor_at(range.start, Bias::Right), end: buffer.anchor_at(range.end, Bias::Left), }, ), _ => false, } } } #[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)] pub struct ThoughtProcessOutputSection { pub range: Range, } impl ThoughtProcessOutputSection { pub fn is_valid(&self, buffer: &language::TextBuffer) -> bool { self.range.start.is_valid(buffer) && !self.range.to_offset(buffer).is_empty() } } #[derive(Clone, Debug)] pub struct Message { pub offset_range: Range, pub index_range: Range, pub anchor_range: Range, pub id: MessageId, pub role: Role, pub status: MessageStatus, pub cache: Option, } #[derive(Debug, Clone)] pub enum Content { Image { anchor: language::Anchor, image_id: u64, render_image: Arc, image: Shared>>, }, } impl Content { fn range(&self) -> Range { match self { Self::Image { anchor, .. } => *anchor..*anchor, } } fn cmp(&self, other: &Self, buffer: &BufferSnapshot) -> Ordering { let self_range = self.range(); let other_range = other.range(); if self_range.end.cmp(&other_range.start, buffer).is_lt() { Ordering::Less } else if self_range.start.cmp(&other_range.end, buffer).is_gt() { Ordering::Greater } else { Ordering::Equal } } } struct PendingCompletion { id: usize, assistant_message_id: MessageId, _task: Task<()>, } #[derive(Copy, Clone, Debug, Hash, Eq, PartialEq)] pub struct InvokedSlashCommandId(clock::Lamport); pub struct TextThread { id: TextThreadId, timestamp: clock::Lamport, version: clock::Global, pub(crate) pending_ops: Vec, operations: Vec, buffer: Entity, pub(crate) parsed_slash_commands: Vec, invoked_slash_commands: HashMap, edits_since_last_parse: language::Subscription, slash_commands: Arc, pub(crate) slash_command_output_sections: Vec>, thought_process_output_sections: Vec>, pub(crate) message_anchors: Vec, contents: Vec, pub(crate) messages_metadata: HashMap, summary: TextThreadSummary, summary_task: Task>, completion_count: usize, pending_completions: Vec, pub(crate) token_count: Option, pending_token_count: Task>, pending_save: Task>, pending_cache_warming_task: Task>, path: Option>, _subscriptions: Vec, language_registry: Arc, prompt_builder: Arc, } trait ContextAnnotation { fn range(&self) -> &Range; } impl ContextAnnotation for ParsedSlashCommand { fn range(&self) -> &Range { &self.source_range } } impl EventEmitter for TextThread {} impl TextThread { pub fn local( language_registry: Arc, prompt_builder: Arc, slash_commands: Arc, cx: &mut Context, ) -> Self { Self::new( TextThreadId::new(), ReplicaId::default(), language::Capability::ReadWrite, language_registry, prompt_builder, slash_commands, cx, ) } pub fn new( id: TextThreadId, replica_id: ReplicaId, capability: language::Capability, language_registry: Arc, prompt_builder: Arc, slash_commands: Arc, cx: &mut Context, ) -> Self { let buffer = cx.new(|_cx| { let buffer = Buffer::remote( language::BufferId::new(1).unwrap(), replica_id, capability, "", ); buffer.set_language_registry(language_registry.clone()); buffer }); let edits_since_last_slash_command_parse = buffer.update(cx, |buffer, _| buffer.subscribe()); let mut this = Self { id, timestamp: clock::Lamport::new(replica_id), version: clock::Global::new(), pending_ops: Vec::new(), operations: Vec::new(), message_anchors: Default::default(), contents: Default::default(), messages_metadata: Default::default(), parsed_slash_commands: Vec::new(), invoked_slash_commands: HashMap::default(), slash_command_output_sections: Vec::new(), thought_process_output_sections: Vec::new(), edits_since_last_parse: edits_since_last_slash_command_parse, summary: TextThreadSummary::Pending, summary_task: Task::ready(None), completion_count: Default::default(), pending_completions: Default::default(), token_count: None, pending_token_count: Task::ready(None), pending_cache_warming_task: Task::ready(None), _subscriptions: vec![cx.subscribe(&buffer, Self::handle_buffer_event)], pending_save: Task::ready(Ok(())), path: None, buffer, language_registry, slash_commands, prompt_builder, }; let first_message_id = MessageId(clock::Lamport { replica_id: ReplicaId::LOCAL, value: 0, }); let message = MessageAnchor { id: first_message_id, start: language::Anchor::min_for_buffer(this.buffer.read(cx).remote_id()), }; this.messages_metadata.insert( first_message_id, MessageMetadata { role: Role::User, status: MessageStatus::Done, timestamp: first_message_id.0, cache: None, }, ); this.message_anchors.push(message); this.set_language(cx); this.count_remaining_tokens(cx); this } pub(crate) fn serialize(&self, cx: &App) -> SavedTextThread { let buffer = self.buffer.read(cx); SavedTextThread { id: Some(self.id.clone()), zed: "context".into(), version: SavedTextThread::VERSION.into(), text: buffer.text(), messages: self .messages(cx) .map(|message| SavedMessage { id: message.id, start: message.offset_range.start, metadata: self.messages_metadata[&message.id].clone(), }) .collect(), summary: self .summary .content() .map(|summary| summary.text.clone()) .unwrap_or_default(), slash_command_output_sections: self .slash_command_output_sections .iter() .filter_map(|section| { if section.is_valid(buffer) { let range = section.range.to_offset(buffer); Some(assistant_slash_command::SlashCommandOutputSection { range, icon: section.icon, label: section.label.clone(), metadata: section.metadata.clone(), }) } else { None } }) .collect(), thought_process_output_sections: self .thought_process_output_sections .iter() .filter_map(|section| { if section.is_valid(buffer) { let range = section.range.to_offset(buffer); Some(ThoughtProcessOutputSection { range }) } else { None } }) .collect(), } } pub fn deserialize( saved_context: SavedTextThread, path: Arc, language_registry: Arc, prompt_builder: Arc, slash_commands: Arc, cx: &mut Context, ) -> Self { let id = saved_context.id.clone().unwrap_or_else(TextThreadId::new); let mut this = Self::new( id, ReplicaId::default(), language::Capability::ReadWrite, language_registry, prompt_builder, slash_commands, cx, ); this.path = Some(path); this.buffer.update(cx, |buffer, cx| { buffer.set_text(saved_context.text.as_str(), cx) }); let operations = saved_context.into_ops(&this.buffer, cx); this.apply_ops(operations, cx); this } pub fn id(&self) -> &TextThreadId { &self.id } pub fn replica_id(&self) -> ReplicaId { self.timestamp.replica_id } pub fn version(&self, cx: &App) -> TextThreadVersion { TextThreadVersion { text_thread: self.version.clone(), buffer: self.buffer.read(cx).version(), } } pub fn slash_commands(&self) -> &Arc { &self.slash_commands } pub fn set_capability(&mut self, capability: language::Capability, cx: &mut Context) { self.buffer .update(cx, |buffer, cx| buffer.set_capability(capability, cx)); } fn next_timestamp(&mut self) -> clock::Lamport { let timestamp = self.timestamp.tick(); self.version.observe(timestamp); timestamp } pub fn serialize_ops( &self, since: &TextThreadVersion, cx: &App, ) -> Task> { let buffer_ops = self .buffer .read(cx) .serialize_ops(Some(since.buffer.clone()), cx); let mut context_ops = self .operations .iter() .filter(|op| !since.text_thread.observed(op.timestamp())) .cloned() .collect::>(); context_ops.extend(self.pending_ops.iter().cloned()); cx.background_spawn(async move { let buffer_ops = buffer_ops.await; context_ops.sort_unstable_by_key(|op| op.timestamp()); buffer_ops .into_iter() .map(|op| proto::ContextOperation { variant: Some(proto::context_operation::Variant::BufferOperation( proto::context_operation::BufferOperation { operation: Some(op), }, )), }) .chain(context_ops.into_iter().map(|op| op.to_proto())) .collect() }) } pub fn apply_ops( &mut self, ops: impl IntoIterator, cx: &mut Context, ) { let mut buffer_ops = Vec::new(); for op in ops { match op { TextThreadOperation::BufferOperation(buffer_op) => buffer_ops.push(buffer_op), op @ _ => self.pending_ops.push(op), } } self.buffer .update(cx, |buffer, cx| buffer.apply_ops(buffer_ops, cx)); self.flush_ops(cx); } fn flush_ops(&mut self, cx: &mut Context) { let mut changed_messages = HashSet::default(); let mut summary_generated = false; self.pending_ops.sort_unstable_by_key(|op| op.timestamp()); for op in mem::take(&mut self.pending_ops) { if !self.can_apply_op(&op, cx) { self.pending_ops.push(op); continue; } let timestamp = op.timestamp(); match op.clone() { TextThreadOperation::InsertMessage { anchor, metadata, .. } => { if self.messages_metadata.contains_key(&anchor.id) { // We already applied this operation. } else { changed_messages.insert(anchor.id); self.insert_message(anchor, metadata, cx); } } TextThreadOperation::UpdateMessage { message_id, metadata: new_metadata, .. } => { let metadata = self.messages_metadata.get_mut(&message_id).unwrap(); if new_metadata.timestamp > metadata.timestamp { *metadata = new_metadata; changed_messages.insert(message_id); } } TextThreadOperation::UpdateSummary { summary: new_summary, .. } => { if self .summary .timestamp() .is_none_or(|current_timestamp| new_summary.timestamp > current_timestamp) { self.summary = TextThreadSummary::Content(new_summary); summary_generated = true; } } TextThreadOperation::SlashCommandStarted { id, output_range, name, .. } => { self.invoked_slash_commands.insert( id, InvokedSlashCommand { name: name.into(), range: output_range, run_commands_in_ranges: Vec::new(), status: InvokedSlashCommandStatus::Running(Task::ready(())), transaction: None, timestamp: id.0, }, ); cx.emit(TextThreadEvent::InvokedSlashCommandChanged { command_id: id }); } TextThreadOperation::SlashCommandOutputSectionAdded { section, .. } => { let buffer = self.buffer.read(cx); if let Err(ix) = self .slash_command_output_sections .binary_search_by(|probe| probe.range.cmp(§ion.range, buffer)) { self.slash_command_output_sections .insert(ix, section.clone()); cx.emit(TextThreadEvent::SlashCommandOutputSectionAdded { section }); } } TextThreadOperation::ThoughtProcessOutputSectionAdded { section, .. } => { let buffer = self.buffer.read(cx); if let Err(ix) = self .thought_process_output_sections .binary_search_by(|probe| probe.range.cmp(§ion.range, buffer)) { self.thought_process_output_sections .insert(ix, section.clone()); } } TextThreadOperation::SlashCommandFinished { id, error_message, timestamp, .. } => { if let Some(slash_command) = self.invoked_slash_commands.get_mut(&id) && timestamp > slash_command.timestamp { slash_command.timestamp = timestamp; match error_message { Some(message) => { slash_command.status = InvokedSlashCommandStatus::Error(message.into()); } None => { slash_command.status = InvokedSlashCommandStatus::Finished; } } cx.emit(TextThreadEvent::InvokedSlashCommandChanged { command_id: id }); } } TextThreadOperation::BufferOperation(_) => unreachable!(), } self.version.observe(timestamp); self.timestamp.observe(timestamp); self.operations.push(op); } if !changed_messages.is_empty() { self.message_roles_updated(changed_messages, cx); cx.emit(TextThreadEvent::MessagesEdited); cx.notify(); } if summary_generated { cx.emit(TextThreadEvent::SummaryChanged); cx.emit(TextThreadEvent::SummaryGenerated); cx.notify(); } } fn can_apply_op(&self, op: &TextThreadOperation, cx: &App) -> bool { if !self.version.observed_all(op.version()) { return false; } match op { TextThreadOperation::InsertMessage { anchor, .. } => self .buffer .read(cx) .version .observed(anchor.start.timestamp()), TextThreadOperation::UpdateMessage { message_id, .. } => { self.messages_metadata.contains_key(message_id) } TextThreadOperation::UpdateSummary { .. } => true, TextThreadOperation::SlashCommandStarted { output_range, .. } => { self.has_received_operations_for_anchor_range(output_range.clone(), cx) } TextThreadOperation::SlashCommandOutputSectionAdded { section, .. } => { self.has_received_operations_for_anchor_range(section.range.clone(), cx) } TextThreadOperation::ThoughtProcessOutputSectionAdded { section, .. } => { self.has_received_operations_for_anchor_range(section.range.clone(), cx) } TextThreadOperation::SlashCommandFinished { .. } => true, TextThreadOperation::BufferOperation(_) => { panic!("buffer operations should always be applied") } } } fn has_received_operations_for_anchor_range( &self, range: Range, cx: &App, ) -> bool { let version = &self.buffer.read(cx).version; let observed_start = range.start.is_min() || range.start.is_max() || version.observed(range.start.timestamp()); let observed_end = range.end.is_min() || range.end.is_max() || version.observed(range.end.timestamp()); observed_start && observed_end } fn push_op(&mut self, op: TextThreadOperation, cx: &mut Context) { self.operations.push(op.clone()); cx.emit(TextThreadEvent::Operation(op)); } pub fn buffer(&self) -> &Entity { &self.buffer } pub fn language_registry(&self) -> Arc { self.language_registry.clone() } pub fn prompt_builder(&self) -> Arc { self.prompt_builder.clone() } pub fn path(&self) -> Option<&Arc> { self.path.as_ref() } pub fn summary(&self) -> &TextThreadSummary { &self.summary } pub fn parsed_slash_commands(&self) -> &[ParsedSlashCommand] { &self.parsed_slash_commands } pub fn invoked_slash_command( &self, command_id: &InvokedSlashCommandId, ) -> Option<&InvokedSlashCommand> { self.invoked_slash_commands.get(command_id) } pub fn slash_command_output_sections(&self) -> &[SlashCommandOutputSection] { &self.slash_command_output_sections } pub fn thought_process_output_sections( &self, ) -> &[ThoughtProcessOutputSection] { &self.thought_process_output_sections } pub fn contains_files(&self, cx: &App) -> bool { // Mimics assistant_slash_commands::FileCommandMetadata. #[derive(Serialize, Deserialize)] pub struct FileCommandMetadata { pub path: String, } let buffer = self.buffer.read(cx); self.slash_command_output_sections.iter().any(|section| { section.is_valid(buffer) && section .metadata .as_ref() .and_then(|metadata| { serde_json::from_value::(metadata.clone()).ok() }) .is_some() }) } fn set_language(&mut self, cx: &mut Context) { let markdown = self.language_registry.language_for_name("Markdown"); cx.spawn(async move |this, cx| { let markdown = markdown.await?; this.update(cx, |this, cx| { this.buffer .update(cx, |buffer, cx| buffer.set_language(Some(markdown), cx)); }) }) .detach_and_log_err(cx); } fn handle_buffer_event( &mut self, _: Entity, event: &language::BufferEvent, cx: &mut Context, ) { match event { language::BufferEvent::Operation { operation, is_local: true, } => cx.emit(TextThreadEvent::Operation( TextThreadOperation::BufferOperation(operation.clone()), )), language::BufferEvent::Edited { .. } => { self.count_remaining_tokens(cx); self.reparse(cx); cx.emit(TextThreadEvent::MessagesEdited); } _ => {} } } pub fn token_count(&self) -> Option { self.token_count } pub(crate) fn count_remaining_tokens(&mut self, cx: &mut Context) { // Assume it will be a Chat request, even though that takes fewer tokens (and risks going over the limit), // because otherwise you see in the UI that your empty message has a bunch of tokens already used. let Some(model) = LanguageModelRegistry::read_global(cx).default_model() else { return; }; let request = self.to_completion_request(Some(&model.model), cx); let debounce = self.token_count.is_some(); self.pending_token_count = cx.spawn(async move |this, cx| { async move { if debounce { cx.background_executor() .timer(Duration::from_millis(200)) .await; } let token_count = cx .update(|cx| model.model.count_tokens(request, cx)) .await?; this.update(cx, |this, cx| { this.token_count = Some(token_count); this.start_cache_warming(&model.model, cx); cx.notify() }) } .log_err() .await }); } pub fn mark_cache_anchors( &mut self, cache_configuration: &Option, speculative: bool, cx: &mut Context, ) -> bool { let cache_configuration = cache_configuration .as_ref() .unwrap_or(&LanguageModelCacheConfiguration { max_cache_anchors: 0, should_speculate: false, min_total_token: 0, }); let messages: Vec = self.messages(cx).collect(); let mut sorted_messages = messages.clone(); if speculative { // Avoid caching the last message if this is a speculative cache fetch as // it's likely to change. sorted_messages.pop(); } sorted_messages.retain(|m| m.role == Role::User); sorted_messages.sort_by(|a, b| b.offset_range.len().cmp(&a.offset_range.len())); let cache_anchors = if self.token_count.unwrap_or(0) < cache_configuration.min_total_token { // If we have't hit the minimum threshold to enable caching, don't cache anything. 0 } else { // Save 1 anchor for the inline assistant to use. max(cache_configuration.max_cache_anchors, 1) - 1 }; sorted_messages.truncate(cache_anchors); let anchors: HashSet = sorted_messages .into_iter() .map(|message| message.id) .collect(); let buffer = self.buffer.read(cx).snapshot(); let invalidated_caches: HashSet = messages .iter() .scan(false, |encountered_invalid, message| { let message_id = message.id; let is_invalid = self .messages_metadata .get(&message_id) .is_none_or(|metadata| { !metadata.is_cache_valid(&buffer, &message.offset_range) || *encountered_invalid }); *encountered_invalid |= is_invalid; Some(if is_invalid { Some(message_id) } else { None }) }) .flatten() .collect(); let last_anchor = messages.iter().rev().find_map(|message| { if anchors.contains(&message.id) { Some(message.id) } else { None } }); let mut new_anchor_needs_caching = false; let current_version = &buffer.version; // If we have no anchors, mark all messages as not being cached. let mut hit_last_anchor = last_anchor.is_none(); for message in messages.iter() { if hit_last_anchor { self.update_metadata(message.id, cx, |metadata| metadata.cache = None); continue; } if let Some(last_anchor) = last_anchor && message.id == last_anchor { hit_last_anchor = true; } new_anchor_needs_caching = new_anchor_needs_caching || (invalidated_caches.contains(&message.id) && anchors.contains(&message.id)); self.update_metadata(message.id, cx, |metadata| { let cache_status = if invalidated_caches.contains(&message.id) { CacheStatus::Pending } else { metadata .cache .as_ref() .map_or(CacheStatus::Pending, |cm| cm.status.clone()) }; metadata.cache = Some(MessageCacheMetadata { is_anchor: anchors.contains(&message.id), is_final_anchor: hit_last_anchor, status: cache_status, cached_at: current_version.clone(), }); }); } new_anchor_needs_caching } fn start_cache_warming(&mut self, model: &Arc, cx: &mut Context) { let cache_configuration = model.cache_configuration(); if !self.mark_cache_anchors(&cache_configuration, true, cx) { return; } if !self.pending_completions.is_empty() { return; } if let Some(cache_configuration) = cache_configuration && !cache_configuration.should_speculate { return; } let request = { let mut req = self.to_completion_request(Some(model), cx); // Skip the last message because it's likely to change and // therefore would be a waste to cache. req.messages.pop(); req.messages.push(LanguageModelRequestMessage { role: Role::User, content: vec!["Respond only with OK, nothing else.".into()], cache: false, reasoning_details: None, }); req }; let model = Arc::clone(model); self.pending_cache_warming_task = cx.spawn(async move |this, cx| { async move { match model.stream_completion(request, cx).await { Ok(mut stream) => { stream.next().await; log::info!("Cache warming completed successfully"); } Err(e) => { log::warn!("Cache warming failed: {}", e); } }; this.update(cx, |this, cx| { this.update_cache_status_for_completion(cx); }) .ok(); anyhow::Ok(()) } .log_err() .await }); } pub fn update_cache_status_for_completion(&mut self, cx: &mut Context) { let cached_message_ids: Vec = self .messages_metadata .iter() .filter_map(|(message_id, metadata)| { metadata.cache.as_ref().and_then(|cache| { if cache.status == CacheStatus::Pending { Some(*message_id) } else { None } }) }) .collect(); for message_id in cached_message_ids { self.update_metadata(message_id, cx, |metadata| { if let Some(cache) = &mut metadata.cache { cache.status = CacheStatus::Cached; } }); } cx.notify(); } pub fn reparse(&mut self, cx: &mut Context) { let buffer = self.buffer.read(cx).text_snapshot(); let mut row_ranges = self .edits_since_last_parse .consume() .into_iter() .map(|edit| { let start_row = buffer.offset_to_point(edit.new.start).row; let end_row = buffer.offset_to_point(edit.new.end).row + 1; start_row..end_row }) .peekable(); let mut removed_parsed_slash_command_ranges = Vec::new(); let mut updated_parsed_slash_commands = Vec::new(); while let Some(mut row_range) = row_ranges.next() { while let Some(next_row_range) = row_ranges.peek() { if row_range.end >= next_row_range.start { row_range.end = next_row_range.end; row_ranges.next(); } else { break; } } let start = buffer.anchor_before(Point::new(row_range.start, 0)); let end = buffer.anchor_after(Point::new( row_range.end - 1, buffer.line_len(row_range.end - 1), )); self.reparse_slash_commands_in_range( start..end, &buffer, &mut updated_parsed_slash_commands, &mut removed_parsed_slash_command_ranges, cx, ); self.invalidate_pending_slash_commands(&buffer, cx); } if !updated_parsed_slash_commands.is_empty() || !removed_parsed_slash_command_ranges.is_empty() { cx.emit(TextThreadEvent::ParsedSlashCommandsUpdated { removed: removed_parsed_slash_command_ranges, updated: updated_parsed_slash_commands, }); } } fn reparse_slash_commands_in_range( &mut self, range: Range, buffer: &BufferSnapshot, updated: &mut Vec, removed: &mut Vec>, cx: &App, ) { let old_range = self.pending_command_indices_for_range(range.clone(), cx); let mut new_commands = Vec::new(); let mut lines = buffer.text_for_range(range).lines(); let mut offset = lines.offset(); while let Some(line) = lines.next() { if let Some(command_line) = SlashCommandLine::parse(line) { let name = &line[command_line.name.clone()]; let arguments = command_line .arguments .iter() .filter_map(|argument_range| { if argument_range.is_empty() { None } else { line.get(argument_range.clone()) } }) .map(ToOwned::to_owned) .collect::>(); if let Some(command) = self.slash_commands.command(name, cx) && (!command.requires_argument() || !arguments.is_empty()) { let start_ix = offset + command_line.name.start - 1; let end_ix = offset + command_line .arguments .last() .map_or(command_line.name.end, |argument| argument.end); let source_range = buffer.anchor_after(start_ix)..buffer.anchor_after(end_ix); let pending_command = ParsedSlashCommand { name: name.to_string(), arguments, source_range, status: PendingSlashCommandStatus::Idle, }; updated.push(pending_command.clone()); new_commands.push(pending_command); } } offset = lines.offset(); } let removed_commands = self.parsed_slash_commands.splice(old_range, new_commands); removed.extend(removed_commands.map(|command| command.source_range)); } fn invalidate_pending_slash_commands( &mut self, buffer: &BufferSnapshot, cx: &mut Context, ) { let mut invalidated_command_ids = Vec::new(); for (&command_id, command) in self.invoked_slash_commands.iter_mut() { if !matches!(command.status, InvokedSlashCommandStatus::Finished) && (!command.range.start.is_valid(buffer) || !command.range.end.is_valid(buffer)) { command.status = InvokedSlashCommandStatus::Finished; cx.emit(TextThreadEvent::InvokedSlashCommandChanged { command_id }); invalidated_command_ids.push(command_id); } } for command_id in invalidated_command_ids { let version = self.version.clone(); let timestamp = self.next_timestamp(); self.push_op( TextThreadOperation::SlashCommandFinished { id: command_id, timestamp, error_message: None, version: version.clone(), }, cx, ); } } pub fn pending_command_for_position( &mut self, position: language::Anchor, cx: &mut Context, ) -> Option<&mut ParsedSlashCommand> { let buffer = self.buffer.read(cx); match self .parsed_slash_commands .binary_search_by(|probe| probe.source_range.end.cmp(&position, buffer)) { Ok(ix) => Some(&mut self.parsed_slash_commands[ix]), Err(ix) => { let cmd = self.parsed_slash_commands.get_mut(ix)?; if position.cmp(&cmd.source_range.start, buffer).is_ge() && position.cmp(&cmd.source_range.end, buffer).is_le() { Some(cmd) } else { None } } } } pub fn pending_commands_for_range( &self, range: Range, cx: &App, ) -> &[ParsedSlashCommand] { let range = self.pending_command_indices_for_range(range, cx); &self.parsed_slash_commands[range] } fn pending_command_indices_for_range( &self, range: Range, cx: &App, ) -> Range { self.indices_intersecting_buffer_range(&self.parsed_slash_commands, range, cx) } fn indices_intersecting_buffer_range( &self, all_annotations: &[T], range: Range, cx: &App, ) -> Range { let buffer = self.buffer.read(cx); let start_ix = match all_annotations .binary_search_by(|probe| probe.range().end.cmp(&range.start, buffer)) { Ok(ix) | Err(ix) => ix, }; let end_ix = match all_annotations .binary_search_by(|probe| probe.range().start.cmp(&range.end, buffer)) { Ok(ix) => ix + 1, Err(ix) => ix, }; start_ix..end_ix } pub fn insert_command_output( &mut self, command_source_range: Range, name: &str, output: Task, ensure_trailing_newline: bool, cx: &mut Context, ) { let version = self.version.clone(); let command_id = InvokedSlashCommandId(self.next_timestamp()); const PENDING_OUTPUT_END_MARKER: &str = "…"; let (command_range, command_source_range, insert_position, first_transaction) = self.buffer.update(cx, |buffer, cx| { let command_source_range = command_source_range.to_offset(buffer); let mut insertion = format!("\n{PENDING_OUTPUT_END_MARKER}"); if ensure_trailing_newline { insertion.push('\n'); } buffer.finalize_last_transaction(); buffer.start_transaction(); buffer.edit( [( command_source_range.end..command_source_range.end, insertion, )], None, cx, ); let first_transaction = buffer.end_transaction(cx).unwrap(); buffer.finalize_last_transaction(); let insert_position = buffer.anchor_after(command_source_range.end + 1); let command_range = buffer.anchor_after(command_source_range.start) ..buffer.anchor_before( command_source_range.end + 1 + PENDING_OUTPUT_END_MARKER.len(), ); let command_source_range = buffer.anchor_before(command_source_range.start) ..buffer.anchor_before(command_source_range.end + 1); ( command_range, command_source_range, insert_position, first_transaction, ) }); self.reparse(cx); let insert_output_task = cx.spawn(async move |this, cx| { let run_command = async { let mut stream = output.await?; struct PendingSection { start: language::Anchor, icon: IconName, label: SharedString, metadata: Option, } let mut pending_section_stack: Vec = Vec::new(); let mut last_role: Option = None; let mut last_section_range = None; while let Some(event) = stream.next().await { let event = event?; this.update(cx, |this, cx| { this.buffer.update(cx, |buffer, _cx| { buffer.finalize_last_transaction(); buffer.start_transaction() }); match event { SlashCommandEvent::StartMessage { role, merge_same_roles, } => { if !merge_same_roles && Some(role) != last_role { let buffer = this.buffer.read(cx); let offset = insert_position.to_offset(buffer); this.insert_message_at_offset( offset, role, MessageStatus::Pending, cx, ); } last_role = Some(role); } SlashCommandEvent::StartSection { icon, label, metadata, } => { this.buffer.update(cx, |buffer, cx| { let insert_point = insert_position.to_point(buffer); if insert_point.column > 0 { buffer.edit([(insert_point..insert_point, "\n")], None, cx); } pending_section_stack.push(PendingSection { start: buffer.anchor_before(insert_position), icon, label, metadata, }); }); } SlashCommandEvent::Content(SlashCommandContent::Text { text, run_commands_in_text, }) => { let start = this.buffer.read(cx).anchor_before(insert_position); this.buffer.update(cx, |buffer, cx| { buffer.edit( [(insert_position..insert_position, text)], None, cx, ) }); let end = this.buffer.read(cx).anchor_before(insert_position); if run_commands_in_text && let Some(invoked_slash_command) = this.invoked_slash_commands.get_mut(&command_id) { invoked_slash_command .run_commands_in_ranges .push(start..end); } } SlashCommandEvent::EndSection => { if let Some(pending_section) = pending_section_stack.pop() { let offset_range = (pending_section.start..insert_position) .to_offset(this.buffer.read(cx)); if !offset_range.is_empty() { let range = this.buffer.update(cx, |buffer, _cx| { buffer.anchor_after(offset_range.start) ..buffer.anchor_before(offset_range.end) }); this.insert_slash_command_output_section( SlashCommandOutputSection { range: range.clone(), icon: pending_section.icon, label: pending_section.label, metadata: pending_section.metadata, }, cx, ); last_section_range = Some(range); } } } } this.buffer.update(cx, |buffer, cx| { if let Some(event_transaction) = buffer.end_transaction(cx) { buffer.merge_transactions(event_transaction, first_transaction); } }); })?; } this.update(cx, |this, cx| { this.buffer.update(cx, |buffer, cx| { buffer.finalize_last_transaction(); buffer.start_transaction(); let mut deletions = vec![(command_source_range.to_offset(buffer), "")]; let insert_position = insert_position.to_offset(buffer); let command_range_end = command_range.end.to_offset(buffer); if buffer.contains_str_at(insert_position, PENDING_OUTPUT_END_MARKER) { deletions.push(( insert_position..insert_position + PENDING_OUTPUT_END_MARKER.len(), "", )); } if ensure_trailing_newline && buffer .chars_at(command_range_end) .next() .is_some_and(|c| c == '\n') { if let Some((prev_char, '\n')) = buffer.reversed_chars_at(insert_position).next_tuple() && last_section_range.is_none_or(|last_section_range| { !last_section_range .to_offset(buffer) .contains(&(insert_position - prev_char.len_utf8())) }) { deletions.push((command_range_end..command_range_end + 1, "")); } } buffer.edit(deletions, None, cx); if let Some(deletion_transaction) = buffer.end_transaction(cx) { buffer.merge_transactions(deletion_transaction, first_transaction); } }); })?; debug_assert!(pending_section_stack.is_empty()); anyhow::Ok(()) }; let command_result = run_command.await; this.update(cx, |this, cx| { let version = this.version.clone(); let timestamp = this.next_timestamp(); let Some(invoked_slash_command) = this.invoked_slash_commands.get_mut(&command_id) else { return; }; let mut error_message = None; match command_result { Ok(()) => { invoked_slash_command.status = InvokedSlashCommandStatus::Finished; } Err(error) => { let message = error.to_string(); invoked_slash_command.status = InvokedSlashCommandStatus::Error(message.clone().into()); error_message = Some(message); } } cx.emit(TextThreadEvent::InvokedSlashCommandChanged { command_id }); this.push_op( TextThreadOperation::SlashCommandFinished { id: command_id, timestamp, error_message, version, }, cx, ); }) .ok(); }); self.invoked_slash_commands.insert( command_id, InvokedSlashCommand { name: name.to_string().into(), range: command_range.clone(), run_commands_in_ranges: Vec::new(), status: InvokedSlashCommandStatus::Running(insert_output_task), transaction: Some(first_transaction), timestamp: command_id.0, }, ); cx.emit(TextThreadEvent::InvokedSlashCommandChanged { command_id }); self.push_op( TextThreadOperation::SlashCommandStarted { id: command_id, output_range: command_range, name: name.to_string(), version, }, cx, ); } fn insert_slash_command_output_section( &mut self, section: SlashCommandOutputSection, cx: &mut Context, ) { let buffer = self.buffer.read(cx); let insertion_ix = match self .slash_command_output_sections .binary_search_by(|probe| probe.range.cmp(§ion.range, buffer)) { Ok(ix) | Err(ix) => ix, }; self.slash_command_output_sections .insert(insertion_ix, section.clone()); cx.emit(TextThreadEvent::SlashCommandOutputSectionAdded { section: section.clone(), }); let version = self.version.clone(); let timestamp = self.next_timestamp(); self.push_op( TextThreadOperation::SlashCommandOutputSectionAdded { timestamp, section, version, }, cx, ); } fn insert_thought_process_output_section( &mut self, section: ThoughtProcessOutputSection, cx: &mut Context, ) { let buffer = self.buffer.read(cx); let insertion_ix = match self .thought_process_output_sections .binary_search_by(|probe| probe.range.cmp(§ion.range, buffer)) { Ok(ix) | Err(ix) => ix, }; self.thought_process_output_sections .insert(insertion_ix, section.clone()); // cx.emit(ContextEvent::ThoughtProcessOutputSectionAdded { // section: section.clone(), // }); let version = self.version.clone(); let timestamp = self.next_timestamp(); self.push_op( TextThreadOperation::ThoughtProcessOutputSectionAdded { timestamp, section, version, }, cx, ); } pub fn completion_provider_changed(&mut self, cx: &mut Context) { self.count_remaining_tokens(cx); } fn get_last_valid_message_id(&self, cx: &Context) -> Option { self.message_anchors.iter().rev().find_map(|message| { message .start .is_valid(self.buffer.read(cx)) .then_some(message.id) }) } pub fn assist(&mut self, cx: &mut Context) -> Option { let model_registry = LanguageModelRegistry::read_global(cx); let model = model_registry.default_model()?; let last_message_id = self.get_last_valid_message_id(cx)?; if !model.provider.is_authenticated(cx) { log::info!("completion provider has no credentials"); return None; } let model = model.model; // Compute which messages to cache, including the last one. self.mark_cache_anchors(&model.cache_configuration(), false, cx); let request = self.to_completion_request(Some(&model), cx); let assistant_message = self .insert_message_after(last_message_id, Role::Assistant, MessageStatus::Pending, cx) .unwrap(); // Queue up the user's next reply. let user_message = self .insert_message_after(assistant_message.id, Role::User, MessageStatus::Done, cx) .unwrap(); let pending_completion_id = post_inc(&mut self.completion_count); let task = cx.spawn({ async move |this, cx| { let stream = model.stream_completion(request, cx); let assistant_message_id = assistant_message.id; let mut response_latency = None; let stream_completion = async { let request_start = Instant::now(); let mut events = stream.await?; let mut stop_reason = StopReason::EndTurn; let mut thought_process_stack = Vec::new(); const THOUGHT_PROCESS_START_MARKER: &str = "\n"; const THOUGHT_PROCESS_END_MARKER: &str = "\n"; while let Some(event) = events.next().await { if response_latency.is_none() { response_latency = Some(request_start.elapsed()); } let event = event?; let mut context_event = None; let mut thought_process_output_section = None; this.update(cx, |this, cx| { let message_ix = this .message_anchors .iter() .position(|message| message.id == assistant_message_id)?; this.buffer.update(cx, |buffer, cx| { let message_old_end_offset = this.message_anchors[message_ix + 1..] .iter() .find(|message| message.start.is_valid(buffer)) .map_or(buffer.len(), |message| { message.start.to_offset(buffer).saturating_sub(1) }); match event { LanguageModelCompletionEvent::Started | LanguageModelCompletionEvent::Queued {..} => {} LanguageModelCompletionEvent::StartMessage { .. } => {} LanguageModelCompletionEvent::ReasoningDetails(_) => { // ReasoningDetails are metadata (signatures, encrypted data, format info) // used for request/response validation, not UI content. // The displayable thinking text is already handled by the Thinking event. } LanguageModelCompletionEvent::Stop(reason) => { stop_reason = reason; } LanguageModelCompletionEvent::Thinking { text: chunk, .. } => { if thought_process_stack.is_empty() { let start = buffer.anchor_before(message_old_end_offset); thought_process_stack.push(start); let chunk = format!("{THOUGHT_PROCESS_START_MARKER}{chunk}{THOUGHT_PROCESS_END_MARKER}"); let chunk_len = chunk.len(); buffer.edit( [( message_old_end_offset..message_old_end_offset, chunk, )], None, cx, ); let end = buffer .anchor_before(message_old_end_offset + chunk_len); context_event = Some( TextThreadEvent::StartedThoughtProcess(start..end), ); } else { // This ensures that all the thinking chunks are inserted inside the thinking tag let insertion_position = message_old_end_offset - THOUGHT_PROCESS_END_MARKER.len(); buffer.edit( [(insertion_position..insertion_position, chunk)], None, cx, ); } } LanguageModelCompletionEvent::RedactedThinking { .. } => {}, LanguageModelCompletionEvent::Text(mut chunk) => { if let Some(start) = thought_process_stack.pop() { let end = buffer.anchor_before(message_old_end_offset); context_event = Some(TextThreadEvent::EndedThoughtProcess(end)); thought_process_output_section = Some(ThoughtProcessOutputSection { range: start..end, }); chunk.insert_str(0, "\n\n"); } buffer.edit( [( message_old_end_offset..message_old_end_offset, chunk, )], None, cx, ); } LanguageModelCompletionEvent::ToolUse(_) | LanguageModelCompletionEvent::ToolUseJsonParseError { .. } | LanguageModelCompletionEvent::UsageUpdate(_) => {} } }); if let Some(section) = thought_process_output_section.take() { this.insert_thought_process_output_section(section, cx); } if let Some(context_event) = context_event.take() { cx.emit(context_event); } cx.emit(TextThreadEvent::StreamedCompletion); Some(()) })?; smol::future::yield_now().await; } this.update(cx, |this, cx| { this.pending_completions .retain(|completion| completion.id != pending_completion_id); this.summarize(false, cx); this.update_cache_status_for_completion(cx); })?; anyhow::Ok(stop_reason) }; let result = stream_completion.await; this.update(cx, |this, cx| { let error_message = if let Some(error) = result.as_ref().err() { if error.is::() { cx.emit(TextThreadEvent::ShowPaymentRequiredError); this.update_metadata(assistant_message_id, cx, |metadata| { metadata.status = MessageStatus::Canceled; }); Some(error.to_string()) } else { let error_message = error .chain() .map(|err| err.to_string()) .collect::>() .join("\n"); cx.emit(TextThreadEvent::ShowAssistError(SharedString::from( error_message.clone(), ))); this.update_metadata(assistant_message_id, cx, |metadata| { metadata.status = MessageStatus::Error(SharedString::from(error_message.clone())); }); Some(error_message) } } else { this.update_metadata(assistant_message_id, cx, |metadata| { metadata.status = MessageStatus::Done; }); None }; let language_name = this .buffer .read(cx) .language() .map(|language| language.name()); telemetry::event!( "Assistant Responded", conversation_id = this.id.0.clone(), kind = "panel", phase = "response", model = model.telemetry_id(), model_provider = model.provider_id().to_string(), response_latency, error_message, language_name = language_name.as_ref().map(|name| name.to_proto()), ); report_anthropic_event(&model, AnthropicEventData { completion_type: AnthropicCompletionType::Panel, event: AnthropicEventType::Response, language_name: language_name.map(|name| name.to_proto()), message_id: None, }, cx); if let Ok(stop_reason) = result { match stop_reason { StopReason::ToolUse => {} StopReason::EndTurn => {} StopReason::MaxTokens => {} StopReason::Refusal => {} } } }) .ok(); } }); self.pending_completions.push(PendingCompletion { id: pending_completion_id, assistant_message_id: assistant_message.id, _task: task, }); Some(user_message) } pub fn to_xml(&self, cx: &App) -> String { let mut output = String::new(); let buffer = self.buffer.read(cx); for message in self.messages(cx) { if message.status != MessageStatus::Done { continue; } writeln!(&mut output, "<{}>", message.role).unwrap(); for chunk in buffer.text_for_range(message.offset_range) { output.push_str(chunk); } if !output.ends_with('\n') { output.push('\n'); } writeln!(&mut output, "", message.role).unwrap(); } output } pub fn to_completion_request( &self, model: Option<&Arc>, cx: &App, ) -> LanguageModelRequest { let buffer = self.buffer.read(cx); let mut contents = self.contents(cx).peekable(); fn collect_text_content(buffer: &Buffer, range: Range) -> Option { let text: String = buffer.text_for_range(range).collect(); if text.trim().is_empty() { None } else { Some(text) } } let mut completion_request = LanguageModelRequest { thread_id: None, prompt_id: None, intent: Some(CompletionIntent::UserPrompt), messages: Vec::new(), tools: Vec::new(), tool_choice: None, stop: Vec::new(), temperature: model.and_then(|model| AgentSettings::temperature_for_model(model, cx)), thinking_allowed: true, thinking_effort: None, speed: None, }; for message in self.messages(cx) { if message.status != MessageStatus::Done { continue; } let mut offset = message.offset_range.start; let mut request_message = LanguageModelRequestMessage { role: message.role, content: Vec::new(), cache: message.cache.as_ref().is_some_and(|cache| cache.is_anchor), reasoning_details: None, }; while let Some(content) = contents.peek() { if content .range() .end .cmp(&message.anchor_range.end, buffer) .is_lt() { let content = contents.next().unwrap(); let range = content.range().to_offset(buffer); request_message.content.extend( collect_text_content(buffer, offset..range.start).map(MessageContent::Text), ); match content { Content::Image { image, .. } => { if let Some(image) = image.clone().now_or_never().flatten() { request_message .content .push(language_model::MessageContent::Image(image)); } } } offset = range.end; } else { break; } } request_message.content.extend( collect_text_content(buffer, offset..message.offset_range.end) .map(MessageContent::Text), ); if !request_message.contents_empty() { completion_request.messages.push(request_message); } } completion_request } pub fn cancel_last_assist(&mut self, cx: &mut Context) -> bool { if let Some(pending_completion) = self.pending_completions.pop() { self.update_metadata(pending_completion.assistant_message_id, cx, |metadata| { if metadata.status == MessageStatus::Pending { metadata.status = MessageStatus::Canceled; } }); true } else { false } } pub fn cycle_message_roles(&mut self, ids: HashSet, cx: &mut Context) { for id in &ids { if let Some(metadata) = self.messages_metadata.get(id) { let role = metadata.role.cycle(); self.update_metadata(*id, cx, |metadata| metadata.role = role); } } self.message_roles_updated(ids, cx); } fn message_roles_updated(&mut self, ids: HashSet, cx: &mut Context) { let mut ranges = Vec::new(); for message in self.messages(cx) { if ids.contains(&message.id) { ranges.push(message.anchor_range.clone()); } } } pub fn update_metadata( &mut self, id: MessageId, cx: &mut Context, f: impl FnOnce(&mut MessageMetadata), ) { let version = self.version.clone(); let timestamp = self.next_timestamp(); if let Some(metadata) = self.messages_metadata.get_mut(&id) { f(metadata); metadata.timestamp = timestamp; let operation = TextThreadOperation::UpdateMessage { message_id: id, metadata: metadata.clone(), version, }; self.push_op(operation, cx); cx.emit(TextThreadEvent::MessagesEdited); cx.notify(); } } pub fn insert_message_after( &mut self, message_id: MessageId, role: Role, status: MessageStatus, cx: &mut Context, ) -> Option { if let Some(prev_message_ix) = self .message_anchors .iter() .position(|message| message.id == message_id) { // Find the next valid message after the one we were given. let mut next_message_ix = prev_message_ix + 1; while let Some(next_message) = self.message_anchors.get(next_message_ix) { if next_message.start.is_valid(self.buffer.read(cx)) { break; } next_message_ix += 1; } let buffer = self.buffer.read(cx); let offset = self .message_anchors .get(next_message_ix) .map_or(buffer.len(), |message| { buffer.clip_offset(message.start.to_previous_offset(buffer), Bias::Left) }); Some(self.insert_message_at_offset(offset, role, status, cx)) } else { None } } fn insert_message_at_offset( &mut self, offset: usize, role: Role, status: MessageStatus, cx: &mut Context, ) -> MessageAnchor { let start = self.buffer.update(cx, |buffer, cx| { buffer.edit([(offset..offset, "\n")], None, cx); buffer.anchor_before(offset + 1) }); let version = self.version.clone(); let anchor = MessageAnchor { id: MessageId(self.next_timestamp()), start, }; let metadata = MessageMetadata { role, status, timestamp: anchor.id.0, cache: None, }; self.insert_message(anchor.clone(), metadata.clone(), cx); self.push_op( TextThreadOperation::InsertMessage { anchor: anchor.clone(), metadata, version, }, cx, ); anchor } pub fn insert_content(&mut self, content: Content, cx: &mut Context) { let buffer = self.buffer.read(cx); let insertion_ix = match self .contents .binary_search_by(|probe| probe.cmp(&content, buffer)) { Ok(ix) => { self.contents.remove(ix); ix } Err(ix) => ix, }; self.contents.insert(insertion_ix, content); cx.emit(TextThreadEvent::MessagesEdited); } pub fn contents<'a>(&'a self, cx: &'a App) -> impl 'a + Iterator { let buffer = self.buffer.read(cx); self.contents .iter() .filter(|content| { let range = content.range(); range.start.is_valid(buffer) && range.end.is_valid(buffer) }) .cloned() } pub fn split_message( &mut self, range: Range, cx: &mut Context, ) -> (Option, Option) { let start_message = self.message_for_offset(range.start, cx); let end_message = self.message_for_offset(range.end, cx); if let Some((start_message, end_message)) = start_message.zip(end_message) { // Prevent splitting when range spans multiple messages. if start_message.id != end_message.id { return (None, None); } let message = start_message; let at_end = range.end >= message.offset_range.end.saturating_sub(1); let role_after = if range.start == range.end || at_end { Role::User } else { message.role }; let role = message.role; let mut edited_buffer = false; let mut suffix_start = None; // TODO: why did this start panicking? if range.start > message.offset_range.start && range.end < message.offset_range.end.saturating_sub(1) { if self.buffer.read(cx).chars_at(range.end).next() == Some('\n') { suffix_start = Some(range.end + 1); } else if self.buffer.read(cx).reversed_chars_at(range.end).next() == Some('\n') { suffix_start = Some(range.end); } } let version = self.version.clone(); let suffix = if let Some(suffix_start) = suffix_start { MessageAnchor { id: MessageId(self.next_timestamp()), start: self.buffer.read(cx).anchor_before(suffix_start), } } else { self.buffer.update(cx, |buffer, cx| { buffer.edit([(range.end..range.end, "\n")], None, cx); }); edited_buffer = true; MessageAnchor { id: MessageId(self.next_timestamp()), start: self.buffer.read(cx).anchor_before(range.end + 1), } }; let suffix_metadata = MessageMetadata { role: role_after, status: MessageStatus::Done, timestamp: suffix.id.0, cache: None, }; self.insert_message(suffix.clone(), suffix_metadata.clone(), cx); self.push_op( TextThreadOperation::InsertMessage { anchor: suffix.clone(), metadata: suffix_metadata, version, }, cx, ); let new_messages = if range.start == range.end || range.start == message.offset_range.start { (None, Some(suffix)) } else { let mut prefix_end = None; if range.start > message.offset_range.start && range.end < message.offset_range.end - 1 { if self.buffer.read(cx).chars_at(range.start).next() == Some('\n') { prefix_end = Some(range.start + 1); } else if self.buffer.read(cx).reversed_chars_at(range.start).next() == Some('\n') { prefix_end = Some(range.start); } } let version = self.version.clone(); let selection = if let Some(prefix_end) = prefix_end { MessageAnchor { id: MessageId(self.next_timestamp()), start: self.buffer.read(cx).anchor_before(prefix_end), } } else { self.buffer.update(cx, |buffer, cx| { buffer.edit([(range.start..range.start, "\n")], None, cx) }); edited_buffer = true; MessageAnchor { id: MessageId(self.next_timestamp()), start: self.buffer.read(cx).anchor_before(range.end + 1), } }; let selection_metadata = MessageMetadata { role, status: MessageStatus::Done, timestamp: selection.id.0, cache: None, }; self.insert_message(selection.clone(), selection_metadata.clone(), cx); self.push_op( TextThreadOperation::InsertMessage { anchor: selection.clone(), metadata: selection_metadata, version, }, cx, ); (Some(selection), Some(suffix)) }; if !edited_buffer { cx.emit(TextThreadEvent::MessagesEdited); } new_messages } else { (None, None) } } fn insert_message( &mut self, new_anchor: MessageAnchor, new_metadata: MessageMetadata, cx: &mut Context, ) { cx.emit(TextThreadEvent::MessagesEdited); self.messages_metadata.insert(new_anchor.id, new_metadata); let buffer = self.buffer.read(cx); let insertion_ix = self .message_anchors .iter() .position(|anchor| { let comparison = new_anchor.start.cmp(&anchor.start, buffer); comparison.is_lt() || (comparison.is_eq() && new_anchor.id > anchor.id) }) .unwrap_or(self.message_anchors.len()); self.message_anchors.insert(insertion_ix, new_anchor); } pub fn summarize(&mut self, mut replace_old: bool, cx: &mut Context) { let Some(model) = LanguageModelRegistry::read_global(cx).thread_summary_model() else { return; }; if replace_old || (self.message_anchors.len() >= 2 && self.summary.is_pending()) { if !model.provider.is_authenticated(cx) { return; } let mut request = self.to_completion_request(Some(&model.model), cx); request.messages.push(LanguageModelRequestMessage { role: Role::User, content: vec![SUMMARIZE_THREAD_PROMPT.into()], cache: false, reasoning_details: None, }); // If there is no summary, it is set with `done: false` so that "Loading Summary…" can // be displayed. match self.summary { TextThreadSummary::Pending | TextThreadSummary::Error => { self.summary = TextThreadSummary::Content(TextThreadSummaryContent { text: "".to_string(), done: false, timestamp: clock::Lamport::MIN, }); replace_old = true; } TextThreadSummary::Content(_) => {} } self.summary_task = cx.spawn(async move |this, cx| { let result = async { let stream = model.model.stream_completion_text(request, cx); let mut messages = stream.await?; let mut replaced = !replace_old; while let Some(message) = messages.stream.next().await { let text = message?; let mut lines = text.lines(); this.update(cx, |this, cx| { let version = this.version.clone(); let timestamp = this.next_timestamp(); let summary = this.summary.content_or_set_empty(); if !replaced && replace_old { summary.text.clear(); replaced = true; } summary.text.extend(lines.next()); summary.timestamp = timestamp; let operation = TextThreadOperation::UpdateSummary { summary: summary.clone(), version, }; this.push_op(operation, cx); cx.emit(TextThreadEvent::SummaryChanged); cx.emit(TextThreadEvent::SummaryGenerated); })?; // Stop if the LLM generated multiple lines. if lines.next().is_some() { break; } } this.read_with(cx, |this, _cx| { if let Some(summary) = this.summary.content() && summary.text.is_empty() { bail!("Model generated an empty summary"); } Ok(()) })??; this.update(cx, |this, cx| { let version = this.version.clone(); let timestamp = this.next_timestamp(); if let Some(summary) = this.summary.content_as_mut() { summary.done = true; summary.timestamp = timestamp; let operation = TextThreadOperation::UpdateSummary { summary: summary.clone(), version, }; this.push_op(operation, cx); cx.emit(TextThreadEvent::SummaryChanged); cx.emit(TextThreadEvent::SummaryGenerated); } })?; anyhow::Ok(()) } .await; if let Err(err) = result { this.update(cx, |this, cx| { this.summary = TextThreadSummary::Error; cx.emit(TextThreadEvent::SummaryChanged); }) .log_err(); log::error!("Error generating context summary: {}", err); } Some(()) }); } } fn message_for_offset(&self, offset: usize, cx: &App) -> Option { self.messages_for_offsets([offset], cx).pop() } pub fn messages_for_offsets( &self, offsets: impl IntoIterator, cx: &App, ) -> Vec { let mut result = Vec::new(); let mut messages = self.messages(cx).peekable(); let mut offsets = offsets.into_iter().peekable(); let mut current_message = messages.next(); while let Some(offset) = offsets.next() { // Locate the message that contains the offset. while current_message.as_ref().is_some_and(|message| { !message.offset_range.contains(&offset) && messages.peek().is_some() }) { current_message = messages.next(); } let Some(message) = current_message.as_ref() else { break; }; // Skip offsets that are in the same message. while offsets.peek().is_some_and(|offset| { message.offset_range.contains(offset) || messages.peek().is_none() }) { offsets.next(); } result.push(message.clone()); } result } fn messages_from_anchors<'a>( &'a self, message_anchors: impl Iterator + 'a, cx: &'a App, ) -> impl 'a + Iterator { let buffer = self.buffer.read(cx); Self::messages_from_iters(buffer, &self.messages_metadata, message_anchors.enumerate()) } pub fn messages<'a>(&'a self, cx: &'a App) -> impl 'a + Iterator { self.messages_from_anchors(self.message_anchors.iter(), cx) } pub fn messages_from_iters<'a>( buffer: &'a Buffer, metadata: &'a HashMap, messages: impl Iterator + 'a, ) -> impl 'a + Iterator { let mut messages = messages.peekable(); iter::from_fn(move || { if let Some((start_ix, message_anchor)) = messages.next() { let metadata = metadata.get(&message_anchor.id)?; let message_start = message_anchor.start.to_offset(buffer); let mut message_end = None; let mut end_ix = start_ix; while let Some((_, next_message)) = messages.peek() { if next_message.start.is_valid(buffer) { message_end = Some(next_message.start); break; } else { end_ix += 1; messages.next(); } } let message_end_anchor = message_end.unwrap_or(language::Anchor::max_for_buffer(buffer.remote_id())); let message_end = message_end_anchor.to_offset(buffer); return Some(Message { index_range: start_ix..end_ix, offset_range: message_start..message_end, anchor_range: message_anchor.start..message_end_anchor, id: message_anchor.id, role: metadata.role, status: metadata.status.clone(), cache: metadata.cache.clone(), }); } None }) } pub fn save( &mut self, debounce: Option, fs: Arc, cx: &mut Context, ) { if self.replica_id() != ReplicaId::default() { // Prevent saving a remote context for now. return; } self.pending_save = cx.spawn(async move |this, cx| { if let Some(debounce) = debounce { cx.background_executor().timer(debounce).await; } let (old_path, summary) = this.read_with(cx, |this, _| { let path = this.path.clone(); let summary = if let Some(summary) = this.summary.content() { if summary.done { Some(summary.text.clone()) } else { None } } else { None }; (path, summary) })?; if let Some(summary) = summary { let context = this.read_with(cx, |this, cx| this.serialize(cx))?; let mut discriminant = 1; let mut new_path; loop { new_path = text_threads_dir().join(&format!( "{} - {}.zed.json", summary.trim(), discriminant )); if fs.is_file(&new_path).await { discriminant += 1; } else { break; } } fs.create_dir(text_threads_dir().as_ref()).await?; // rename before write ensures that only one file exists if let Some(old_path) = old_path.as_ref() && new_path.as_path() != old_path.as_ref() { fs.rename( old_path, &new_path, RenameOptions { overwrite: true, ignore_if_exists: true, create_parents: false, }, ) .await?; } // update path before write in case it fails this.update(cx, { let new_path: Arc = new_path.clone().into(); move |this, cx| { this.path = Some(new_path.clone()); cx.emit(TextThreadEvent::PathChanged { old_path, new_path }); } }) .ok(); fs.atomic_write(new_path, serde_json::to_string(&context).unwrap()) .await?; } Ok(()) }); } pub fn set_custom_summary(&mut self, custom_summary: String, cx: &mut Context) { let timestamp = self.next_timestamp(); let summary = self.summary.content_or_set_empty(); summary.timestamp = timestamp; summary.done = true; summary.text = custom_summary; cx.emit(TextThreadEvent::SummaryChanged); } } #[derive(Debug, Default)] pub struct TextThreadVersion { text_thread: clock::Global, buffer: clock::Global, } impl TextThreadVersion { pub fn from_proto(proto: &proto::ContextVersion) -> Self { Self { text_thread: language::proto::deserialize_version(&proto.context_version), buffer: language::proto::deserialize_version(&proto.buffer_version), } } pub fn to_proto(&self, context_id: TextThreadId) -> proto::ContextVersion { proto::ContextVersion { context_id: context_id.to_proto(), context_version: language::proto::serialize_version(&self.text_thread), buffer_version: language::proto::serialize_version(&self.buffer), } } } #[derive(Debug, Clone)] pub struct ParsedSlashCommand { pub name: String, pub arguments: SmallVec<[String; 3]>, pub status: PendingSlashCommandStatus, pub source_range: Range, } #[derive(Debug)] pub struct InvokedSlashCommand { pub name: SharedString, pub range: Range, pub run_commands_in_ranges: Vec>, pub status: InvokedSlashCommandStatus, pub transaction: Option, timestamp: clock::Lamport, } #[derive(Debug)] pub enum InvokedSlashCommandStatus { Running(Task<()>), Error(SharedString), Finished, } #[derive(Debug, Clone)] pub enum PendingSlashCommandStatus { Idle, Running { _task: Shared> }, Error(String), } #[derive(Debug, Clone)] pub struct PendingToolUse { pub id: LanguageModelToolUseId, pub name: String, pub input: serde_json::Value, pub status: PendingToolUseStatus, pub source_range: Range, } #[derive(Debug, Clone)] pub enum PendingToolUseStatus { Idle, Running { _task: Shared> }, Error(String), } impl PendingToolUseStatus { pub fn is_idle(&self) -> bool { matches!(self, PendingToolUseStatus::Idle) } } #[derive(Serialize, Deserialize)] pub struct SavedMessage { pub id: MessageId, pub start: usize, pub metadata: MessageMetadata, } #[derive(Serialize, Deserialize)] pub struct SavedTextThread { pub id: Option, pub zed: String, pub version: String, pub text: String, pub messages: Vec, pub summary: String, pub slash_command_output_sections: Vec>, #[serde(default)] pub thought_process_output_sections: Vec>, } impl SavedTextThread { pub const VERSION: &'static str = "0.4.0"; pub fn from_json(json: &str) -> Result { let saved_context_json = serde_json::from_str::(json)?; match saved_context_json .get("version") .context("version not found")? { serde_json::Value::String(version) => match version.as_str() { SavedTextThread::VERSION => Ok(serde_json::from_value::( saved_context_json, )?), SavedContextV0_3_0::VERSION => { let saved_context = serde_json::from_value::(saved_context_json)?; Ok(saved_context.upgrade()) } SavedContextV0_2_0::VERSION => { let saved_context = serde_json::from_value::(saved_context_json)?; Ok(saved_context.upgrade()) } SavedContextV0_1_0::VERSION => { let saved_context = serde_json::from_value::(saved_context_json)?; Ok(saved_context.upgrade()) } _ => anyhow::bail!("unrecognized saved context version: {version:?}"), }, _ => anyhow::bail!("version not found on saved context"), } } fn into_ops( self, buffer: &Entity, cx: &mut Context, ) -> Vec { let mut operations = Vec::new(); let mut version = clock::Global::new(); let mut next_timestamp = clock::Lamport::new(ReplicaId::default()); let mut first_message_metadata = None; for message in self.messages { if message.id == MessageId(clock::Lamport::MIN) { first_message_metadata = Some(message.metadata); } else { operations.push(TextThreadOperation::InsertMessage { anchor: MessageAnchor { id: message.id, start: buffer.read(cx).anchor_before(message.start), }, metadata: MessageMetadata { role: message.metadata.role, status: message.metadata.status, timestamp: message.metadata.timestamp, cache: None, }, version: version.clone(), }); version.observe(message.id.0); next_timestamp.observe(message.id.0); } } if let Some(metadata) = first_message_metadata { let timestamp = next_timestamp.tick(); operations.push(TextThreadOperation::UpdateMessage { message_id: MessageId(clock::Lamport::MIN), metadata: MessageMetadata { role: metadata.role, status: metadata.status, timestamp, cache: None, }, version: version.clone(), }); version.observe(timestamp); } let buffer = buffer.read(cx); for section in self.slash_command_output_sections { let timestamp = next_timestamp.tick(); operations.push(TextThreadOperation::SlashCommandOutputSectionAdded { timestamp, section: SlashCommandOutputSection { range: buffer.anchor_after(section.range.start) ..buffer.anchor_before(section.range.end), icon: section.icon, label: section.label, metadata: section.metadata, }, version: version.clone(), }); version.observe(timestamp); } for section in self.thought_process_output_sections { let timestamp = next_timestamp.tick(); operations.push(TextThreadOperation::ThoughtProcessOutputSectionAdded { timestamp, section: ThoughtProcessOutputSection { range: buffer.anchor_after(section.range.start) ..buffer.anchor_before(section.range.end), }, version: version.clone(), }); version.observe(timestamp); } let timestamp = next_timestamp.tick(); operations.push(TextThreadOperation::UpdateSummary { summary: TextThreadSummaryContent { text: self.summary, done: true, timestamp, }, version: version.clone(), }); version.observe(timestamp); operations } } #[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord, Hash, Serialize, Deserialize)] struct SavedMessageIdPreV0_4_0(usize); #[derive(Serialize, Deserialize)] struct SavedMessagePreV0_4_0 { id: SavedMessageIdPreV0_4_0, start: usize, } #[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)] struct SavedMessageMetadataPreV0_4_0 { role: Role, status: MessageStatus, } #[derive(Serialize, Deserialize)] struct SavedContextV0_3_0 { id: Option, zed: String, version: String, text: String, messages: Vec, message_metadata: HashMap, summary: String, slash_command_output_sections: Vec>, } impl SavedContextV0_3_0 { const VERSION: &'static str = "0.3.0"; fn upgrade(self) -> SavedTextThread { SavedTextThread { id: self.id, zed: self.zed, version: SavedTextThread::VERSION.into(), text: self.text, messages: self .messages .into_iter() .filter_map(|message| { let metadata = self.message_metadata.get(&message.id)?; let timestamp = clock::Lamport { replica_id: ReplicaId::default(), value: message.id.0 as u32, }; Some(SavedMessage { id: MessageId(timestamp), start: message.start, metadata: MessageMetadata { role: metadata.role, status: metadata.status.clone(), timestamp, cache: None, }, }) }) .collect(), summary: self.summary, slash_command_output_sections: self.slash_command_output_sections, thought_process_output_sections: Vec::new(), } } } #[derive(Serialize, Deserialize)] struct SavedContextV0_2_0 { id: Option, zed: String, version: String, text: String, messages: Vec, message_metadata: HashMap, summary: String, } impl SavedContextV0_2_0 { const VERSION: &'static str = "0.2.0"; fn upgrade(self) -> SavedTextThread { SavedContextV0_3_0 { id: self.id, zed: self.zed, version: SavedContextV0_3_0::VERSION.to_string(), text: self.text, messages: self.messages, message_metadata: self.message_metadata, summary: self.summary, slash_command_output_sections: Vec::new(), } .upgrade() } } #[derive(Serialize, Deserialize)] struct SavedContextV0_1_0 { id: Option, zed: String, version: String, text: String, messages: Vec, message_metadata: HashMap, summary: String, api_url: Option, model: OpenAiModel, } impl SavedContextV0_1_0 { const VERSION: &'static str = "0.1.0"; fn upgrade(self) -> SavedTextThread { SavedContextV0_2_0 { id: self.id, zed: self.zed, version: SavedContextV0_2_0::VERSION.to_string(), text: self.text, messages: self.messages, message_metadata: self.message_metadata, summary: self.summary, } .upgrade() } } #[derive(Debug, Clone)] pub struct SavedTextThreadMetadata { pub title: SharedString, pub path: Arc, pub mtime: chrono::DateTime, }