1use std::{ops::Range, sync::Arc};
2
3use gpui::{App, Entity, SharedString};
4use language::{Buffer, File};
5use language_model::{LanguageModelRequestMessage, MessageContent};
6use project::ProjectPath;
7use serde::{Deserialize, Serialize};
8use text::{Anchor, BufferId};
9use ui::IconName;
10use util::post_inc;
11
12use crate::thread::Thread;
13
14#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, Serialize, Deserialize)]
15pub struct ContextId(pub(crate) usize);
16
17impl ContextId {
18 pub fn post_inc(&mut self) -> Self {
19 Self(post_inc(&mut self.0))
20 }
21}
22pub enum ContextKind {
23 File,
24 Directory,
25 Symbol,
26 FetchedUrl,
27 Thread,
28}
29
30impl ContextKind {
31 pub fn icon(&self) -> IconName {
32 match self {
33 ContextKind::File => IconName::File,
34 ContextKind::Directory => IconName::Folder,
35 ContextKind::Symbol => IconName::Code,
36 ContextKind::FetchedUrl => IconName::Globe,
37 ContextKind::Thread => IconName::MessageBubbles,
38 }
39 }
40}
41
42#[derive(Debug, Clone)]
43pub enum AssistantContext {
44 File(FileContext),
45 Directory(DirectoryContext),
46 Symbol(SymbolContext),
47 FetchedUrl(FetchedUrlContext),
48 Thread(ThreadContext),
49}
50
51impl AssistantContext {
52 pub fn id(&self) -> ContextId {
53 match self {
54 Self::File(file) => file.id,
55 Self::Directory(directory) => directory.id,
56 Self::Symbol(symbol) => symbol.id,
57 Self::FetchedUrl(url) => url.id,
58 Self::Thread(thread) => thread.id,
59 }
60 }
61}
62
63#[derive(Debug, Clone)]
64pub struct FileContext {
65 pub id: ContextId,
66 pub context_buffer: ContextBuffer,
67}
68
69#[derive(Debug, Clone)]
70pub struct DirectoryContext {
71 pub id: ContextId,
72 pub project_path: ProjectPath,
73 pub context_buffers: Vec<ContextBuffer>,
74}
75
76#[derive(Debug, Clone)]
77pub struct SymbolContext {
78 pub id: ContextId,
79 pub context_symbol: ContextSymbol,
80}
81
82#[derive(Debug, Clone)]
83pub struct FetchedUrlContext {
84 pub id: ContextId,
85 pub url: SharedString,
86 pub text: SharedString,
87}
88
89// TODO: Model<Thread> holds onto the thread even if the thread is deleted. Can either handle this
90// explicitly or have a WeakModel<Thread> and remove during snapshot.
91
92#[derive(Debug, Clone)]
93pub struct ThreadContext {
94 pub id: ContextId,
95 pub thread: Entity<Thread>,
96 pub text: SharedString,
97}
98
99impl ThreadContext {
100 pub fn summary(&self, cx: &App) -> SharedString {
101 self.thread
102 .read(cx)
103 .summary()
104 .unwrap_or("New thread".into())
105 }
106}
107
108// TODO: Model<Buffer> holds onto the buffer even if the file is deleted and closed. Should remove
109// the context from the message editor in this case.
110
111#[derive(Clone)]
112pub struct ContextBuffer {
113 pub id: BufferId,
114 pub buffer: Entity<Buffer>,
115 pub file: Arc<dyn File>,
116 pub version: clock::Global,
117 pub text: SharedString,
118}
119
120impl std::fmt::Debug for ContextBuffer {
121 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
122 f.debug_struct("ContextBuffer")
123 .field("id", &self.id)
124 .field("buffer", &self.buffer)
125 .field("version", &self.version)
126 .field("text", &self.text)
127 .finish()
128 }
129}
130
131#[derive(Debug, Clone)]
132pub struct ContextSymbol {
133 pub id: ContextSymbolId,
134 pub buffer: Entity<Buffer>,
135 pub buffer_version: clock::Global,
136 /// The range that the symbol encloses, e.g. for function symbol, this will
137 /// include not only the signature, but also the body
138 pub enclosing_range: Range<Anchor>,
139 pub text: SharedString,
140}
141
142#[derive(Debug, Clone, PartialEq, Eq, Hash)]
143pub struct ContextSymbolId {
144 pub path: ProjectPath,
145 pub name: SharedString,
146 pub range: Range<Anchor>,
147}
148
149pub fn attach_context_to_message<'a>(
150 message: &mut LanguageModelRequestMessage,
151 contexts: impl Iterator<Item = &'a AssistantContext>,
152 cx: &App,
153) {
154 let mut file_context = Vec::new();
155 let mut directory_context = Vec::new();
156 let mut symbol_context = Vec::new();
157 let mut fetch_context = Vec::new();
158 let mut thread_context = Vec::new();
159
160 for context in contexts {
161 match context {
162 AssistantContext::File(context) => file_context.push(context),
163 AssistantContext::Directory(context) => directory_context.push(context),
164 AssistantContext::Symbol(context) => symbol_context.push(context),
165 AssistantContext::FetchedUrl(context) => fetch_context.push(context),
166 AssistantContext::Thread(context) => thread_context.push(context),
167 }
168 }
169
170 let mut context_chunks = Vec::new();
171
172 if !file_context.is_empty() {
173 context_chunks.push("The following files are available:\n");
174 for context in file_context {
175 context_chunks.push(&context.context_buffer.text);
176 }
177 }
178
179 if !directory_context.is_empty() {
180 context_chunks.push("The following directories are available:\n");
181 for context in directory_context {
182 for context_buffer in &context.context_buffers {
183 context_chunks.push(&context_buffer.text);
184 }
185 }
186 }
187
188 if !symbol_context.is_empty() {
189 context_chunks.push("The following symbols are available:\n");
190 for context in symbol_context {
191 context_chunks.push(&context.context_symbol.text);
192 }
193 }
194
195 if !fetch_context.is_empty() {
196 context_chunks.push("The following fetched results are available:\n");
197 for context in &fetch_context {
198 context_chunks.push(&context.url);
199 context_chunks.push(&context.text);
200 }
201 }
202
203 // Need to own the SharedString for summary so that it can be referenced.
204 let mut thread_context_chunks = Vec::new();
205 if !thread_context.is_empty() {
206 context_chunks.push("The following previous conversation threads are available:\n");
207 for context in &thread_context {
208 thread_context_chunks.push(context.summary(cx));
209 thread_context_chunks.push(context.text.clone());
210 }
211 }
212 for chunk in &thread_context_chunks {
213 context_chunks.push(chunk);
214 }
215
216 if !context_chunks.is_empty() {
217 message
218 .content
219 .push(MessageContent::Text(context_chunks.join("\n")));
220 }
221}