1use agent::ThreadStore;
2use anyhow::{Context, Result, anyhow, bail};
3use assistant_tool::ToolWorkingSet;
4use client::proto::LspWorkProgress;
5use futures::channel::mpsc;
6use futures::{FutureExt as _, StreamExt as _, future};
7use gpui::{App, AppContext as _, AsyncApp, Entity, Task};
8use handlebars::Handlebars;
9use language::{Buffer, DiagnosticSeverity, OffsetRangeExt as _};
10use language_model::{
11 LanguageModel, LanguageModelCompletionEvent, LanguageModelRequest, LanguageModelRequestMessage,
12 MessageContent, Role, TokenUsage,
13};
14use project::lsp_store::OpenLspBufferHandle;
15use project::{DiagnosticSummary, Project, ProjectPath};
16use serde::{Deserialize, Serialize};
17use std::cell::RefCell;
18use std::fmt::Write as _;
19use std::fs;
20use std::fs::File;
21use std::io::Write as _;
22use std::path::Path;
23use std::path::PathBuf;
24use std::rc::Rc;
25use std::sync::Arc;
26use std::time::Duration;
27use unindent::Unindent as _;
28use util::ResultExt as _;
29use util::command::new_smol_command;
30use util::markdown::MarkdownCodeBlock;
31
32use crate::assertions::{AssertionsReport, RanAssertion, RanAssertionResult};
33use crate::example::{Example, ExampleContext, FailedAssertion, JudgeAssertion};
34use crate::{AgentAppState, ToolMetrics};
35
36pub const ZED_REPO_URL: &str = "https://github.com/zed-industries/zed.git";
37
38#[derive(Clone)]
39pub struct ExampleInstance {
40 pub thread: Rc<dyn Example>,
41 pub name: String,
42 pub run_directory: PathBuf,
43 pub log_prefix: String,
44 /// The repetition number for this example (0-based)
45 /// When running multiple repetitions of the same example, each instance is assigned a unique repetition number.
46 /// This affects the worktree path and log prefix to avoid clobbering results between runs.
47 pub repetition: usize,
48 pub repo_path: PathBuf,
49 /// Path to the directory containing the requests and responses for the agentic loop
50 worktrees_dir: PathBuf,
51}
52
53#[derive(Debug, Serialize, Clone)]
54pub struct RunOutput {
55 pub repository_diff: String,
56 pub diagnostic_summary_before: DiagnosticSummary,
57 pub diagnostic_summary_after: DiagnosticSummary,
58 pub diagnostics_before: Option<String>,
59 pub diagnostics_after: Option<String>,
60 pub response_count: usize,
61 pub token_usage: TokenUsage,
62 pub tool_metrics: ToolMetrics,
63 pub last_request: LanguageModelRequest,
64 pub programmatic_assertions: AssertionsReport,
65}
66
67#[derive(Debug, Clone, Serialize, Deserialize)]
68pub struct JudgeDiffInput {
69 pub repository_diff: String,
70 pub assertion: String,
71}
72
73#[derive(Debug, Clone, Serialize, Deserialize)]
74pub struct JudgeThreadInput {
75 pub messages: String,
76 pub assertion: String,
77}
78
79#[derive(Debug, Clone, Serialize, Deserialize)]
80pub struct JudgeOutput {
81 pub thread: AssertionsReport,
82 pub diff: AssertionsReport,
83}
84
85impl ExampleInstance {
86 pub fn new(
87 thread: Rc<dyn Example>,
88 repos_dir: &Path,
89 run_dir: &Path,
90 worktrees_dir: &Path,
91 repetition: usize,
92 ) -> Self {
93 let name = thread.meta().name.to_string();
94 let run_directory = run_dir
95 .join(&name)
96 .join(repetition.to_string())
97 .to_path_buf();
98
99 let repo_path = repo_path_for_url(repos_dir, &thread.meta().url);
100
101 Self {
102 name,
103 thread,
104 log_prefix: String::new(),
105 run_directory,
106 repetition,
107 repo_path,
108 worktrees_dir: worktrees_dir.to_path_buf(),
109 }
110 }
111
112 pub fn repo_url(&self) -> String {
113 self.thread.meta().url
114 }
115
116 pub fn revision(&self) -> String {
117 self.thread.meta().revision
118 }
119
120 pub fn worktree_name(&self) -> String {
121 format!("{}-{}", self.name, self.repetition)
122 }
123
124 pub fn set_log_prefix_style(&mut self, color: &str, name_width: usize) {
125 self.log_prefix = format!(
126 "{}{:<width$}\x1b[0m | ",
127 color,
128 self.worktree_name(),
129 width = name_width
130 );
131 }
132
133 /// Set up the example by checking out the specified Git revision
134 pub async fn fetch(&mut self) -> Result<()> {
135 let meta = self.thread.meta();
136
137 let revision_exists = run_git(
138 &self.repo_path,
139 &["rev-parse", &format!("{}^{{commit}}", &meta.revision)],
140 )
141 .await
142 .is_ok();
143
144 if !revision_exists {
145 println!("{}Fetching revision {}", self.log_prefix, &meta.revision);
146 run_git(
147 &self.repo_path,
148 &["fetch", "--depth", "1", "origin", &meta.revision],
149 )
150 .await?;
151 }
152 Ok(())
153 }
154
155 /// Set up the example by checking out the specified Git revision
156 pub async fn setup(&mut self) -> Result<()> {
157 let worktree_path = self.worktree_path();
158 let meta = self.thread.meta();
159 if worktree_path.is_dir() {
160 println!("{}Resetting existing worktree", self.log_prefix);
161
162 // TODO: consider including "-x" to remove ignored files. The downside of this is that
163 // it will also remove build artifacts, and so prevent incremental reuse there.
164 run_git(&worktree_path, &["clean", "--force", "-d"]).await?;
165 run_git(&worktree_path, &["reset", "--hard", "HEAD"]).await?;
166 run_git(&worktree_path, &["checkout", &meta.revision]).await?;
167 } else {
168 println!("{}Creating worktree", self.log_prefix);
169
170 let worktree_path_string = worktree_path.to_string_lossy().to_string();
171
172 run_git(
173 &self.repo_path,
174 &[
175 "worktree",
176 "add",
177 "-f",
178 &worktree_path_string,
179 &meta.revision,
180 ],
181 )
182 .await?;
183 }
184
185 if meta.url == ZED_REPO_URL {
186 std::fs::write(worktree_path.join(".rules"), std::fs::read(".rules")?)?;
187 }
188
189 std::fs::create_dir_all(&self.run_directory)?;
190
191 Ok(())
192 }
193
194 pub fn worktree_path(&self) -> PathBuf {
195 self.worktrees_dir
196 .join(self.worktree_name())
197 .join(self.thread.meta().repo_name())
198 }
199
200 pub fn run(
201 &self,
202 model: Arc<dyn LanguageModel>,
203 app_state: Arc<AgentAppState>,
204 cx: &mut App,
205 ) -> Task<Result<RunOutput>> {
206 let project = Project::local(
207 app_state.client.clone(),
208 app_state.node_runtime.clone(),
209 app_state.user_store.clone(),
210 app_state.languages.clone(),
211 app_state.fs.clone(),
212 None,
213 cx,
214 );
215
216 let worktree = project.update(cx, |project, cx| {
217 project.create_worktree(self.worktree_path(), true, cx)
218 });
219
220 let tools = cx.new(|_| ToolWorkingSet::default());
221 let prompt_store = None;
222 let thread_store = ThreadStore::load(
223 project.clone(),
224 tools,
225 prompt_store,
226 app_state.prompt_builder.clone(),
227 cx,
228 );
229 let meta = self.thread.meta();
230 let this = self.clone();
231
232 cx.spawn(async move |cx| {
233 let worktree = worktree.await?;
234
235 // Wait for worktree scan to finish before choosing a file to open.
236 worktree
237 .update(cx, |worktree, _cx| {
238 worktree.as_local().unwrap().scan_complete()
239 })?
240 .await;
241
242 struct LanguageServerState {
243 _lsp_open_handle: OpenLspBufferHandle,
244 language_file_buffer: Entity<Buffer>,
245 }
246
247 let mut diagnostics_before = None;
248 let mut diagnostic_summary_before = DiagnosticSummary::default();
249
250 let lsp = if let Some(language_server) = &meta.language_server {
251 // Open a file that matches the language to cause LSP to start.
252 let language_file = worktree.read_with(cx, |worktree, _cx| {
253 worktree
254 .files(false, 0)
255 .find_map(|e| {
256 if e.path.clone().extension().and_then(|ext| ext.to_str())
257 == Some(&language_server.file_extension)
258 {
259 Some(ProjectPath {
260 worktree_id: worktree.id(),
261 path: e.path.clone(),
262 })
263 } else {
264 None
265 }
266 })
267 .context("Failed to find a file for example language")
268 })??;
269
270 let open_language_file_buffer_task = project.update(cx, |project, cx| {
271 project.open_buffer(language_file.clone(), cx)
272 })?;
273
274 let language_file_buffer = open_language_file_buffer_task.await?;
275
276 let lsp_open_handle = project.update(cx, |project, cx| {
277 project.register_buffer_with_language_servers(&language_file_buffer, cx)
278 })?;
279
280 wait_for_lang_server(&project, &language_file_buffer, this.log_prefix.clone(), cx).await?;
281
282 diagnostic_summary_before = project.read_with(cx, |project, cx| {
283 project.diagnostic_summary(false, cx)
284 })?;
285
286 diagnostics_before = query_lsp_diagnostics(project.clone(), cx).await?;
287 if diagnostics_before.is_some() && language_server.allow_preexisting_diagnostics {
288 return Err(anyhow!("Example has pre-existing diagnostics. If you want to run this example regardless, set `allow_preexisting_diagnostics` to `true` in `base.toml`"));
289 }
290
291 Some(LanguageServerState {
292 _lsp_open_handle: lsp_open_handle,
293 language_file_buffer,
294 })
295 } else {
296 None
297 };
298
299 if std::env::var("ZED_EVAL_SETUP_ONLY").is_ok() {
300 return Err(anyhow!("Setup only mode"));
301 }
302
303 let last_diff_file_path = this.run_directory.join("last.diff");
304
305 // Write an empty "last.diff" so that it can be opened in Zed for convenient view of the
306 // history using undo/redo.
307 std::fs::write(&last_diff_file_path, "")?;
308
309 let thread_store = thread_store.await?;
310 let thread =
311 thread_store.update(cx, |thread_store, cx| thread_store.create_thread(cx))?;
312 let last_request = Rc::new(RefCell::new(None));
313
314 thread.update(cx, |thread, _cx| {
315 let mut request_count = 0;
316 let last_request = Rc::clone(&last_request);
317 let previous_diff = Rc::new(RefCell::new("".to_string()));
318 let example_output_dir = this.run_directory.clone();
319 let last_diff_file_path = last_diff_file_path.clone();
320 let messages_json_file_path = example_output_dir.join("last.messages.json");
321 let this = this.clone();
322 thread.set_request_callback(move |request, response_events| {
323 *last_request.borrow_mut() = Some(request.clone());
324
325 request_count += 1;
326 let messages_file_path = example_output_dir.join(format!("{request_count}.messages.md"));
327 let diff_file_path = example_output_dir.join(format!("{request_count}.diff"));
328 let last_messages_file_path = example_output_dir.join("last.messages.md");
329 let request_markdown = RequestMarkdown::new(request);
330 let response_events_markdown = response_events_to_markdown(response_events);
331 let dialog = ThreadDialog::new(request, response_events);
332 let dialog_json = serde_json::to_string_pretty(&dialog.to_combined_request()).unwrap_or_default();
333
334 let messages = format!("{}\n\n{}", request_markdown.messages, response_events_markdown);
335 fs::write(&messages_file_path, messages.clone()).expect("failed to write messages file");
336 fs::write(&last_messages_file_path, messages).expect("failed to write last messages file");
337 fs::write(&messages_json_file_path, dialog_json).expect("failed to write last.messages.json");
338
339 let diff_result = smol::block_on(this.repository_diff());
340 match diff_result {
341 Ok(diff) => {
342 if diff != previous_diff.borrow().clone() {
343 fs::write(&diff_file_path, &diff).expect("failed to write diff file");
344 fs::write(&last_diff_file_path, &diff).expect("failed to write last diff file");
345 *previous_diff.borrow_mut() = diff;
346 }
347 }
348 Err(err) => {
349 let error_message = format!("{err:?}");
350 fs::write(&diff_file_path, &error_message).expect("failed to write diff error to file");
351 fs::write(&last_diff_file_path, &error_message).expect("failed to write last diff file");
352 }
353 }
354
355 if request_count == 1 {
356 let tools_file_path = example_output_dir.join("tools.md");
357 fs::write(tools_file_path, request_markdown.tools).expect("failed to write tools file");
358 }
359 });
360 })?;
361
362 let mut example_cx = ExampleContext::new(meta.clone(), this.log_prefix.clone(), thread.clone(), model.clone(), cx.clone());
363 let result = this.thread.conversation(&mut example_cx).await;
364
365 if let Err(err) = result {
366 if !err.is::<FailedAssertion>() {
367 return Err(err);
368 }
369 }
370
371 println!("{}Stopped", this.log_prefix);
372
373 println!("{}Getting repository diff", this.log_prefix);
374 let repository_diff = this.repository_diff().await?;
375
376 std::fs::write(last_diff_file_path, &repository_diff)?;
377
378
379 let mut diagnostics_after = None;
380 let mut diagnostic_summary_after = Default::default();
381
382 if let Some(language_server_state) = lsp {
383 wait_for_lang_server(&project, &language_server_state.language_file_buffer, this.log_prefix.clone(), cx).await?;
384
385 println!("{}Getting diagnostics", this.log_prefix);
386 diagnostics_after = cx
387 .update(|cx| {
388 let project = project.clone();
389 cx.spawn(async move |cx| query_lsp_diagnostics(project, cx).await)
390 })?
391 .await?;
392 println!("{}Got diagnostics", this.log_prefix);
393
394 diagnostic_summary_after = project.read_with(cx, |project, cx| {
395 project.diagnostic_summary(false, cx)
396 })?;
397
398 }
399
400 let Some(last_request) = last_request.borrow_mut().take() else {
401 return Err(anyhow!("No requests ran."));
402 };
403
404 if let Some(diagnostics_before) = &diagnostics_before {
405 fs::write(this.run_directory.join("diagnostics_before.txt"), diagnostics_before)?;
406 }
407
408 if let Some(diagnostics_after) = &diagnostics_after {
409 fs::write(this.run_directory.join("diagnostics_after.txt"), diagnostics_after)?;
410 }
411
412 thread.update(cx, |thread, _cx| {
413 let response_count = thread
414 .messages()
415 .filter(|message| message.role == language_model::Role::Assistant)
416 .count();
417 RunOutput {
418 repository_diff,
419 diagnostic_summary_before,
420 diagnostic_summary_after,
421 diagnostics_before,
422 diagnostics_after,
423 response_count,
424 token_usage: thread.cumulative_token_usage(),
425 tool_metrics: example_cx.tool_metrics.lock().unwrap().clone(),
426 last_request,
427 programmatic_assertions: example_cx.assertions,
428 }
429 })
430 })
431 }
432
433 async fn repository_diff(&self) -> Result<String> {
434 let worktree_path = self.worktree_path();
435 run_git(&worktree_path, &["add", "."]).await?;
436 let mut diff_args = vec!["diff", "--staged"];
437 if self.thread.meta().url == ZED_REPO_URL {
438 diff_args.push(":(exclude).rules");
439 }
440 run_git(&worktree_path, &diff_args).await
441 }
442
443 pub async fn judge(
444 &self,
445 model: Arc<dyn LanguageModel>,
446 run_output: &RunOutput,
447 cx: &AsyncApp,
448 ) -> JudgeOutput {
449 let mut output_file =
450 File::create(self.run_directory.join("judge.md")).expect("failed to create judge.md");
451
452 let diff_task = self.judge_diff(model.clone(), &run_output, cx);
453 let thread_task = self.judge_thread(model.clone(), &run_output, cx);
454
455 let (diff_result, thread_result) = futures::join!(diff_task, thread_task);
456
457 let (diff_response, diff_output) = diff_result;
458 let (thread_response, thread_output) = thread_result;
459
460 writeln!(
461 &mut output_file,
462 "# Judgment\n\n## Thread\n\n{thread_response}\n\n## Diff\n\n{diff_response}",
463 )
464 .log_err();
465
466 JudgeOutput {
467 thread: thread_output,
468 diff: diff_output,
469 }
470 }
471
472 async fn judge_diff(
473 &self,
474 model: Arc<dyn LanguageModel>,
475 run_output: &RunOutput,
476 cx: &AsyncApp,
477 ) -> (String, AssertionsReport) {
478 let diff_assertions = self.thread.diff_assertions();
479
480 if diff_assertions.is_empty() {
481 return (
482 "No diff assertions".to_string(),
483 AssertionsReport::default(),
484 );
485 }
486
487 println!("{}Running diff judge", self.log_prefix);
488
489 let judge_diff_prompt = include_str!("judge_diff_prompt.hbs");
490 let judge_diff_prompt_name = "judge_diff_prompt";
491 let mut hbs = Handlebars::new();
492 hbs.register_template_string(judge_diff_prompt_name, judge_diff_prompt)
493 .unwrap();
494
495 let to_prompt = |assertion: String| {
496 hbs.render(
497 judge_diff_prompt_name,
498 &JudgeDiffInput {
499 repository_diff: run_output.repository_diff.clone(),
500 assertion,
501 },
502 )
503 .unwrap()
504 };
505
506 let (responses, report) = self
507 .judge_assertions(model, diff_assertions, to_prompt, cx)
508 .await;
509
510 println!(
511 "{}Judge - Diff score: {}%",
512 self.log_prefix,
513 report.passed_percentage()
514 );
515
516 (responses, report)
517 }
518
519 async fn judge_thread(
520 &self,
521 model: Arc<dyn LanguageModel>,
522 run_output: &RunOutput,
523 cx: &AsyncApp,
524 ) -> (String, AssertionsReport) {
525 let thread_assertions = self.thread.thread_assertions();
526
527 if thread_assertions.is_empty() {
528 return (
529 "No diff assertions".to_string(),
530 AssertionsReport::default(),
531 );
532 }
533
534 let judge_thread_prompt = include_str!("judge_thread_prompt.hbs");
535 let judge_diff_prompt_name = "judge_thread_prompt";
536 let mut hbs = Handlebars::new();
537 hbs.register_template_string(judge_diff_prompt_name, judge_thread_prompt)
538 .unwrap();
539
540 let request_markdown = RequestMarkdown::new(&run_output.last_request);
541 let to_prompt = |assertion: String| {
542 hbs.render(
543 judge_diff_prompt_name,
544 &JudgeThreadInput {
545 messages: request_markdown.messages.clone(),
546 assertion,
547 },
548 )
549 .unwrap()
550 };
551
552 let (responses, report) = self
553 .judge_assertions(model, thread_assertions, to_prompt, cx)
554 .await;
555
556 println!(
557 "{}Judge - Thread score: {}%",
558 self.log_prefix,
559 report.passed_percentage()
560 );
561
562 (responses, report)
563 }
564
565 async fn judge_assertions(
566 &self,
567 model: Arc<dyn LanguageModel>,
568 assertions: Vec<JudgeAssertion>,
569 to_prompt: impl Fn(String) -> String,
570 cx: &AsyncApp,
571 ) -> (String, AssertionsReport) {
572 let assertions = assertions.into_iter().map(|assertion| {
573 let request = LanguageModelRequest {
574 thread_id: None,
575 prompt_id: None,
576 messages: vec![LanguageModelRequestMessage {
577 role: Role::User,
578 content: vec![MessageContent::Text(to_prompt(assertion.description))],
579 cache: false,
580 }],
581 temperature: None,
582 tools: Vec::new(),
583 stop: Vec::new(),
584 };
585
586 let model = model.clone();
587 let log_prefix = self.log_prefix.clone();
588 async move {
589 let response = send_language_model_request(model, request, cx).await;
590
591 let (response, result) = match response {
592 Ok(response) => (
593 response.clone(),
594 parse_assertion_result(&response).map_err(|err| err.to_string()),
595 ),
596 Err(err) => (err.to_string(), Err(err.to_string())),
597 };
598
599 if result.is_ok() {
600 println!("{}✅ {}", log_prefix, assertion.id);
601 } else {
602 println!("{}❌ {}", log_prefix, assertion.id);
603 }
604
605 (
606 response,
607 RanAssertion {
608 id: assertion.id,
609 result,
610 },
611 )
612 }
613 });
614
615 let mut responses = String::new();
616 let mut report = AssertionsReport::default();
617
618 for (response, assertion) in future::join_all(assertions).await {
619 writeln!(&mut responses, "# {}", assertion.id).unwrap();
620 writeln!(&mut responses, "{}\n\n", response).unwrap();
621 report.ran.push(assertion);
622 }
623
624 (responses, report)
625 }
626}
627
628pub fn wait_for_lang_server(
629 project: &Entity<Project>,
630 buffer: &Entity<Buffer>,
631 log_prefix: String,
632 cx: &mut AsyncApp,
633) -> Task<Result<()>> {
634 if std::env::var("ZED_EVAL_SKIP_LS").is_ok() {
635 return Task::ready(Ok(()));
636 }
637
638 println!("{}⏵ Waiting for language server", log_prefix);
639
640 let (mut tx, mut rx) = mpsc::channel(1);
641
642 let lsp_store = project
643 .update(cx, |project, _| project.lsp_store())
644 .unwrap();
645
646 let has_lang_server = buffer
647 .update(cx, |buffer, cx| {
648 lsp_store.update(cx, |lsp_store, cx| {
649 lsp_store
650 .language_servers_for_local_buffer(&buffer, cx)
651 .next()
652 .is_some()
653 })
654 })
655 .unwrap_or(false);
656
657 if has_lang_server {
658 project
659 .update(cx, |project, cx| project.save_buffer(buffer.clone(), cx))
660 .unwrap()
661 .detach();
662 }
663
664 let subscriptions =
665 [
666 cx.subscribe(&lsp_store, {
667 let log_prefix = log_prefix.clone();
668 move |_, event, _| match event {
669 project::LspStoreEvent::LanguageServerUpdate {
670 message:
671 client::proto::update_language_server::Variant::WorkProgress(
672 LspWorkProgress {
673 message: Some(message),
674 ..
675 },
676 ),
677 ..
678 } => println!("{}⟲ {message}", log_prefix),
679 _ => {}
680 }
681 }),
682 cx.subscribe(&project, {
683 let buffer = buffer.clone();
684 move |project, event, cx| match event {
685 project::Event::LanguageServerAdded(_, _, _) => {
686 let buffer = buffer.clone();
687 project
688 .update(cx, |project, cx| project.save_buffer(buffer, cx))
689 .detach();
690 }
691 project::Event::DiskBasedDiagnosticsFinished { .. } => {
692 tx.try_send(()).ok();
693 }
694 _ => {}
695 }
696 }),
697 ];
698
699 cx.spawn(async move |cx| {
700 let timeout = cx.background_executor().timer(Duration::new(60 * 5, 0));
701 let result = futures::select! {
702 _ = rx.next() => {
703 println!("{}⚑ Language server idle", log_prefix);
704 anyhow::Ok(())
705 },
706 _ = timeout.fuse() => {
707 Err(anyhow!("LSP wait timed out after 5 minutes"))
708 }
709 };
710 drop(subscriptions);
711 result
712 })
713}
714
715pub async fn query_lsp_diagnostics(
716 project: Entity<Project>,
717 cx: &mut AsyncApp,
718) -> Result<Option<String>> {
719 let paths_with_diagnostics = project.update(cx, |project, cx| {
720 project
721 .diagnostic_summaries(true, cx)
722 .filter(|(_, _, summary)| summary.error_count > 0 || summary.warning_count > 0)
723 .map(|(project_path, _, _)| project_path)
724 .collect::<Vec<_>>()
725 })?;
726
727 if paths_with_diagnostics.is_empty() {
728 return Ok(None);
729 }
730
731 let mut output = String::new();
732 for project_path in paths_with_diagnostics {
733 let buffer = project
734 .update(cx, |project, cx| project.open_buffer(project_path, cx))?
735 .await?;
736 let snapshot = buffer.read_with(cx, |buffer, _cx| buffer.snapshot())?;
737
738 for (_, group) in snapshot.diagnostic_groups(None) {
739 let entry = &group.entries[group.primary_ix];
740 let range = entry.range.to_point(&snapshot);
741 let severity = match entry.diagnostic.severity {
742 DiagnosticSeverity::ERROR => "error",
743 DiagnosticSeverity::WARNING => "warning",
744 _ => continue,
745 };
746
747 writeln!(
748 output,
749 "{} at line {}: {}",
750 severity,
751 range.start.row + 1,
752 entry.diagnostic.message
753 )?;
754 }
755 }
756 anyhow::Ok(Some(output))
757}
758
759fn parse_assertion_result(response: &str) -> Result<RanAssertionResult> {
760 let analysis = get_tag("analysis", response)?.to_string();
761 let passed = match get_tag("passed", response)?.to_lowercase().as_str() {
762 "true" => true,
763 "false" => false,
764 value @ _ => bail!("invalid judge `passed` tag: {value}"),
765 };
766 Ok(RanAssertionResult {
767 analysis: Some(analysis),
768 passed,
769 })
770}
771
772fn get_tag(name: &'static str, response: &str) -> Result<String> {
773 let start_tag = format!("<{}>", name);
774 let end_tag = format!("</{}>", name);
775
776 let start_ix = response
777 .find(&start_tag)
778 .context(format!("{} start tag not found", name))?;
779 let content_start_ix = start_ix + start_tag.len();
780
781 let end_ix = content_start_ix
782 + response[content_start_ix..]
783 .find(&end_tag)
784 .context(format!("{} end tag not found", name))?;
785
786 let content = response[content_start_ix..end_ix].trim().unindent();
787
788 anyhow::Ok(content)
789}
790
791pub fn repo_path_for_url(repos_dir: &Path, repo_url: &str) -> PathBuf {
792 let repo_name = repo_url
793 .trim_start_matches("https://")
794 .replace(|c: char| !c.is_alphanumeric(), "-");
795 Path::new(repos_dir).join(repo_name)
796}
797
798pub async fn run_git(repo_path: &Path, args: &[&str]) -> Result<String> {
799 let output = new_smol_command("git")
800 .current_dir(repo_path)
801 .args(args)
802 .output()
803 .await?;
804
805 if output.status.success() {
806 Ok(String::from_utf8(output.stdout)?.trim().to_string())
807 } else {
808 Err(anyhow!(
809 "`git {}` within `{}` failed with status: {}\nstderr:\n{}\nstdout:\n{}",
810 args.join(" "),
811 repo_path.display(),
812 output.status,
813 String::from_utf8_lossy(&output.stderr),
814 String::from_utf8_lossy(&output.stdout),
815 ))
816 }
817}
818
819pub async fn send_language_model_request(
820 model: Arc<dyn LanguageModel>,
821 request: LanguageModelRequest,
822 cx: &AsyncApp,
823) -> anyhow::Result<String> {
824 match model.stream_completion_text(request, &cx).await {
825 Ok(mut stream) => {
826 let mut full_response = String::new();
827 while let Some(chunk_result) = stream.stream.next().await {
828 match chunk_result {
829 Ok(chunk_str) => {
830 full_response.push_str(&chunk_str);
831 }
832 Err(err) => {
833 return Err(anyhow!(
834 "Error receiving response from language model: {err}"
835 ));
836 }
837 }
838 }
839 Ok(full_response)
840 }
841 Err(err) => Err(anyhow!(
842 "Failed to get response from language model. Error was: {err}"
843 )),
844 }
845}
846
847pub struct RequestMarkdown {
848 pub tools: String,
849 pub messages: String,
850}
851
852impl RequestMarkdown {
853 pub fn new(request: &LanguageModelRequest) -> Self {
854 let mut tools = String::new();
855 let mut messages = String::new();
856 let mut assistant_message_number: u32 = 1;
857
858 // Print the tools
859 if !request.tools.is_empty() {
860 for tool in &request.tools {
861 write!(&mut tools, "# {}\n\n", tool.name).unwrap();
862 write!(&mut tools, "{}\n\n", tool.description).unwrap();
863 write!(
864 &mut tools,
865 "{}\n",
866 MarkdownCodeBlock {
867 tag: "json",
868 text: &format!("{:#}", tool.input_schema)
869 }
870 )
871 .unwrap();
872 }
873 }
874
875 // Print the messages
876 for message in &request.messages {
877 match message.role {
878 Role::System => messages.push_str("# ⚙️ SYSTEM\n\n"),
879 Role::User => messages.push_str("# 👤 USER\n\n"),
880 Role::Assistant => {
881 messages.push_str(&format!("# 🤖 ASSISTANT {assistant_message_number}\n\n"));
882 assistant_message_number += 1;
883 }
884 };
885
886 for content in &message.content {
887 match content {
888 MessageContent::Text(text) => {
889 messages.push_str(text);
890 messages.push_str("\n\n");
891 }
892 MessageContent::Image(_) => {
893 messages.push_str("[IMAGE DATA]\n\n");
894 }
895 MessageContent::Thinking { text, signature } => {
896 messages.push_str("**Thinking**:\n\n");
897 if let Some(sig) = signature {
898 messages.push_str(&format!("Signature: {}\n\n", sig));
899 }
900 messages.push_str(text);
901 messages.push_str("\n");
902 }
903 MessageContent::RedactedThinking(items) => {
904 messages.push_str(&format!(
905 "**Redacted Thinking**: {} item(s)\n\n",
906 items.len()
907 ));
908 }
909 MessageContent::ToolUse(tool_use) => {
910 messages.push_str(&format!(
911 "**Tool Use**: {} (ID: {})\n",
912 tool_use.name, tool_use.id
913 ));
914 messages.push_str(&format!(
915 "{}\n",
916 MarkdownCodeBlock {
917 tag: "json",
918 text: &format!("{:#}", tool_use.input)
919 }
920 ));
921 }
922 MessageContent::ToolResult(tool_result) => {
923 messages.push_str(&format!(
924 "**Tool Result**: {} (ID: {})\n\n",
925 tool_result.tool_name, tool_result.tool_use_id
926 ));
927 if tool_result.is_error {
928 messages.push_str("**ERROR:**\n");
929 }
930 messages.push_str(&format!("{}\n\n", tool_result.content));
931 }
932 }
933 }
934 }
935
936 Self { tools, messages }
937 }
938}
939
940pub fn response_events_to_markdown(
941 response_events: &[std::result::Result<LanguageModelCompletionEvent, String>],
942) -> String {
943 let mut response = String::new();
944 // Print the response events if any
945 response.push_str("# Response\n\n");
946 let mut text_buffer = String::new();
947 let mut thinking_buffer = String::new();
948
949 let flush_buffers =
950 |output: &mut String, text_buffer: &mut String, thinking_buffer: &mut String| {
951 if !text_buffer.is_empty() {
952 output.push_str(&format!("**Text**:\n{}\n\n", text_buffer));
953 text_buffer.clear();
954 }
955 if !thinking_buffer.is_empty() {
956 output.push_str(&format!("**Thinking**:\n{}\n\n", thinking_buffer));
957 thinking_buffer.clear();
958 }
959 };
960
961 for event in response_events {
962 match event {
963 Ok(LanguageModelCompletionEvent::Text(text)) => {
964 text_buffer.push_str(text);
965 }
966 Ok(LanguageModelCompletionEvent::Thinking { text, .. }) => {
967 thinking_buffer.push_str(text);
968 }
969 Ok(LanguageModelCompletionEvent::Stop(reason)) => {
970 flush_buffers(&mut response, &mut text_buffer, &mut thinking_buffer);
971 response.push_str(&format!("**Stop**: {:?}\n\n", reason));
972 }
973 Ok(LanguageModelCompletionEvent::ToolUse(tool_use)) => {
974 flush_buffers(&mut response, &mut text_buffer, &mut thinking_buffer);
975 response.push_str(&format!(
976 "**Tool Use**: {} (ID: {})\n",
977 tool_use.name, tool_use.id
978 ));
979 response.push_str(&format!(
980 "{}\n",
981 MarkdownCodeBlock {
982 tag: "json",
983 text: &format!("{:#}", tool_use.input)
984 }
985 ));
986 }
987 Ok(
988 LanguageModelCompletionEvent::UsageUpdate(_)
989 | LanguageModelCompletionEvent::StartMessage { .. },
990 ) => {}
991 Err(error) => {
992 flush_buffers(&mut response, &mut text_buffer, &mut thinking_buffer);
993 response.push_str(&format!("**Error**: {}\n\n", error));
994 }
995 }
996 }
997
998 flush_buffers(&mut response, &mut text_buffer, &mut thinking_buffer);
999
1000 response
1001}
1002
1003#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
1004pub struct ThreadDialog {
1005 pub request: LanguageModelRequest,
1006 pub response_events: Vec<std::result::Result<LanguageModelCompletionEvent, String>>,
1007}
1008
1009impl ThreadDialog {
1010 pub fn new(
1011 request: &LanguageModelRequest,
1012 response_events: &[std::result::Result<LanguageModelCompletionEvent, String>],
1013 ) -> Self {
1014 Self {
1015 request: request.clone(),
1016 response_events: response_events.to_vec(),
1017 }
1018 }
1019
1020 /// Represents all request and response messages in a unified format.
1021 ///
1022 /// Specifically, it appends the assistant's response (derived from response events)
1023 /// as a new message to existing messages in the request.
1024 pub fn to_combined_request(&self) -> LanguageModelRequest {
1025 let mut request = self.request.clone();
1026 if let Some(assistant_message) = self.response_events_to_message() {
1027 request.messages.push(assistant_message);
1028 }
1029 request
1030 }
1031 fn response_events_to_message(&self) -> Option<LanguageModelRequestMessage> {
1032 let response_events = &self.response_events;
1033 let mut content: Vec<MessageContent> = Vec::new();
1034 let mut current_text = String::new();
1035
1036 let flush_text = |text: &mut String, content: &mut Vec<MessageContent>| {
1037 if !text.is_empty() {
1038 content.push(MessageContent::Text(std::mem::take(text)));
1039 }
1040 };
1041
1042 for event in response_events {
1043 match event {
1044 Ok(LanguageModelCompletionEvent::Text(text)) => {
1045 current_text.push_str(text);
1046 }
1047
1048 Ok(LanguageModelCompletionEvent::ToolUse(tool_use)) => {
1049 flush_text(&mut current_text, &mut content);
1050 if tool_use.is_input_complete {
1051 content.push(MessageContent::ToolUse(tool_use.clone()));
1052 }
1053 }
1054 Ok(LanguageModelCompletionEvent::Thinking { text, signature }) => {
1055 flush_text(&mut current_text, &mut content);
1056 content.push(MessageContent::Thinking {
1057 text: text.clone(),
1058 signature: signature.clone(),
1059 });
1060 }
1061
1062 // Skip these
1063 Ok(LanguageModelCompletionEvent::UsageUpdate(_))
1064 | Ok(LanguageModelCompletionEvent::StartMessage { .. })
1065 | Ok(LanguageModelCompletionEvent::Stop(_)) => {}
1066
1067 Err(error) => {
1068 flush_text(&mut current_text, &mut content);
1069 content.push(MessageContent::Text(format!("ERROR: {}", error)));
1070 }
1071 }
1072 }
1073
1074 flush_text(&mut current_text, &mut content);
1075
1076 if !content.is_empty() {
1077 Some(LanguageModelRequestMessage {
1078 role: Role::Assistant,
1079 content,
1080 cache: false,
1081 })
1082 } else {
1083 None
1084 }
1085 }
1086}
1087
1088#[cfg(test)]
1089mod test {
1090 use super::*;
1091
1092 #[test]
1093 fn test_parse_judge_output() {
1094 let response = r#"
1095 <analysis>The model did a good job but there were still compilations errors.</analysis>
1096 <passed>true</passed>
1097 "#
1098 .unindent();
1099
1100 let output = parse_assertion_result(&response).unwrap();
1101 assert_eq!(
1102 output.analysis,
1103 Some("The model did a good job but there were still compilations errors.".into())
1104 );
1105 assert_eq!(output.passed, true);
1106
1107 let response = r#"
1108 Text around ignored
1109
1110 <analysis>
1111 Failed to compile:
1112 - Error 1
1113 - Error 2
1114 </analysis>
1115
1116 <passed>false</passed>
1117 "#
1118 .unindent();
1119
1120 let output = parse_assertion_result(&response).unwrap();
1121 assert_eq!(
1122 output.analysis,
1123 Some("Failed to compile:\n- Error 1\n- Error 2".into())
1124 );
1125 assert_eq!(output.passed, false);
1126 }
1127}