main.rs

  1mod evaluate;
  2mod example;
  3mod headless;
  4mod paths;
  5mod predict;
  6mod source_location;
  7mod syntax_retrieval_stats;
  8mod util;
  9
 10use crate::evaluate::{EvaluateArguments, run_evaluate};
 11use crate::example::{ExampleFormat, NamedExample};
 12use crate::predict::{PredictArguments, run_zeta2_predict};
 13use crate::syntax_retrieval_stats::retrieval_stats;
 14use ::util::paths::PathStyle;
 15use anyhow::{Result, anyhow};
 16use clap::{Args, Parser, Subcommand};
 17use cloud_llm_client::predict_edits_v3;
 18use edit_prediction_context::{
 19    EditPredictionContextOptions, EditPredictionExcerptOptions, EditPredictionScoreOptions,
 20};
 21use gpui::{Application, AsyncApp, Entity, prelude::*};
 22use language::{Bias, Buffer, BufferSnapshot, Point};
 23use project::{Project, Worktree};
 24use reqwest_client::ReqwestClient;
 25use serde_json::json;
 26use std::io::{self};
 27use std::time::Duration;
 28use std::{collections::HashSet, path::PathBuf, str::FromStr, sync::Arc};
 29use zeta2::ContextMode;
 30
 31use crate::headless::ZetaCliAppState;
 32use crate::source_location::SourceLocation;
 33use crate::util::{open_buffer, open_buffer_with_language_server};
 34
 35#[derive(Parser, Debug)]
 36#[command(name = "zeta")]
 37struct ZetaCliArgs {
 38    #[arg(long, default_value_t = false)]
 39    printenv: bool,
 40    #[command(subcommand)]
 41    command: Option<Command>,
 42}
 43
 44#[derive(Subcommand, Debug)]
 45enum Command {
 46    Zeta1 {
 47        #[command(subcommand)]
 48        command: Zeta1Command,
 49    },
 50    Zeta2 {
 51        #[command(subcommand)]
 52        command: Zeta2Command,
 53    },
 54    ConvertExample {
 55        path: PathBuf,
 56        #[arg(long, value_enum, default_value_t = ExampleFormat::Md)]
 57        output_format: ExampleFormat,
 58    },
 59    Clean,
 60}
 61
 62#[derive(Subcommand, Debug)]
 63enum Zeta1Command {
 64    Context {
 65        #[clap(flatten)]
 66        context_args: ContextArgs,
 67    },
 68}
 69
 70#[derive(Subcommand, Debug)]
 71enum Zeta2Command {
 72    Syntax {
 73        #[clap(flatten)]
 74        args: Zeta2Args,
 75        #[clap(flatten)]
 76        syntax_args: Zeta2SyntaxArgs,
 77        #[command(subcommand)]
 78        command: Zeta2SyntaxCommand,
 79    },
 80    Predict(PredictArguments),
 81    Eval(EvaluateArguments),
 82}
 83
 84#[derive(Subcommand, Debug)]
 85enum Zeta2SyntaxCommand {
 86    Context {
 87        #[clap(flatten)]
 88        context_args: ContextArgs,
 89    },
 90    Stats {
 91        #[arg(long)]
 92        worktree: PathBuf,
 93        #[arg(long)]
 94        extension: Option<String>,
 95        #[arg(long)]
 96        limit: Option<usize>,
 97        #[arg(long)]
 98        skip: Option<usize>,
 99    },
100}
101
102#[derive(Debug, Args)]
103#[group(requires = "worktree")]
104struct ContextArgs {
105    #[arg(long)]
106    worktree: PathBuf,
107    #[arg(long)]
108    cursor: SourceLocation,
109    #[arg(long)]
110    use_language_server: bool,
111    #[arg(long)]
112    edit_history: Option<FileOrStdin>,
113}
114
115#[derive(Debug, Args)]
116struct Zeta2Args {
117    #[arg(long, default_value_t = 8192)]
118    max_prompt_bytes: usize,
119    #[arg(long, default_value_t = 2048)]
120    max_excerpt_bytes: usize,
121    #[arg(long, default_value_t = 1024)]
122    min_excerpt_bytes: usize,
123    #[arg(long, default_value_t = 0.66)]
124    target_before_cursor_over_total_bytes: f32,
125    #[arg(long, default_value_t = 1024)]
126    max_diagnostic_bytes: usize,
127    #[arg(long, value_enum, default_value_t = PromptFormat::default())]
128    prompt_format: PromptFormat,
129    #[arg(long, value_enum, default_value_t = Default::default())]
130    output_format: OutputFormat,
131    #[arg(long, default_value_t = 42)]
132    file_indexing_parallelism: usize,
133}
134
135#[derive(Debug, Args)]
136struct Zeta2SyntaxArgs {
137    #[arg(long, default_value_t = false)]
138    disable_imports_gathering: bool,
139    #[arg(long, default_value_t = u8::MAX)]
140    max_retrieved_definitions: u8,
141}
142
143fn syntax_args_to_options(
144    zeta2_args: &Zeta2Args,
145    syntax_args: &Zeta2SyntaxArgs,
146    omit_excerpt_overlaps: bool,
147) -> zeta2::ZetaOptions {
148    zeta2::ZetaOptions {
149        context: ContextMode::Syntax(EditPredictionContextOptions {
150            max_retrieved_declarations: syntax_args.max_retrieved_definitions,
151            use_imports: !syntax_args.disable_imports_gathering,
152            excerpt: EditPredictionExcerptOptions {
153                max_bytes: zeta2_args.max_excerpt_bytes,
154                min_bytes: zeta2_args.min_excerpt_bytes,
155                target_before_cursor_over_total_bytes: zeta2_args
156                    .target_before_cursor_over_total_bytes,
157            },
158            score: EditPredictionScoreOptions {
159                omit_excerpt_overlaps,
160            },
161        }),
162        max_diagnostic_bytes: zeta2_args.max_diagnostic_bytes,
163        max_prompt_bytes: zeta2_args.max_prompt_bytes,
164        prompt_format: zeta2_args.prompt_format.into(),
165        file_indexing_parallelism: zeta2_args.file_indexing_parallelism,
166        buffer_change_grouping_interval: Duration::ZERO,
167    }
168}
169
170#[derive(clap::ValueEnum, Default, Debug, Clone, Copy)]
171enum PromptFormat {
172    MarkedExcerpt,
173    LabeledSections,
174    OnlySnippets,
175    #[default]
176    NumberedLines,
177    OldTextNewText,
178}
179
180impl Into<predict_edits_v3::PromptFormat> for PromptFormat {
181    fn into(self) -> predict_edits_v3::PromptFormat {
182        match self {
183            Self::MarkedExcerpt => predict_edits_v3::PromptFormat::MarkedExcerpt,
184            Self::LabeledSections => predict_edits_v3::PromptFormat::LabeledSections,
185            Self::OnlySnippets => predict_edits_v3::PromptFormat::OnlySnippets,
186            Self::NumberedLines => predict_edits_v3::PromptFormat::NumLinesUniDiff,
187            Self::OldTextNewText => predict_edits_v3::PromptFormat::OldTextNewText,
188        }
189    }
190}
191
192#[derive(clap::ValueEnum, Default, Debug, Clone)]
193enum OutputFormat {
194    #[default]
195    Prompt,
196    Request,
197    Full,
198}
199
200#[derive(Debug, Clone)]
201enum FileOrStdin {
202    File(PathBuf),
203    Stdin,
204}
205
206impl FileOrStdin {
207    async fn read_to_string(&self) -> Result<String, std::io::Error> {
208        match self {
209            FileOrStdin::File(path) => smol::fs::read_to_string(path).await,
210            FileOrStdin::Stdin => smol::unblock(|| std::io::read_to_string(std::io::stdin())).await,
211        }
212    }
213}
214
215impl FromStr for FileOrStdin {
216    type Err = <PathBuf as FromStr>::Err;
217
218    fn from_str(s: &str) -> Result<Self, Self::Err> {
219        match s {
220            "-" => Ok(Self::Stdin),
221            _ => Ok(Self::File(PathBuf::from_str(s)?)),
222        }
223    }
224}
225
226struct LoadedContext {
227    full_path_str: String,
228    snapshot: BufferSnapshot,
229    clipped_cursor: Point,
230    worktree: Entity<Worktree>,
231    project: Entity<Project>,
232    buffer: Entity<Buffer>,
233}
234
235async fn load_context(
236    args: &ContextArgs,
237    app_state: &Arc<ZetaCliAppState>,
238    cx: &mut AsyncApp,
239) -> Result<LoadedContext> {
240    let ContextArgs {
241        worktree: worktree_path,
242        cursor,
243        use_language_server,
244        ..
245    } = args;
246
247    let worktree_path = worktree_path.canonicalize()?;
248
249    let project = cx.update(|cx| {
250        Project::local(
251            app_state.client.clone(),
252            app_state.node_runtime.clone(),
253            app_state.user_store.clone(),
254            app_state.languages.clone(),
255            app_state.fs.clone(),
256            None,
257            cx,
258        )
259    })?;
260
261    let worktree = project
262        .update(cx, |project, cx| {
263            project.create_worktree(&worktree_path, true, cx)
264        })?
265        .await?;
266
267    let mut ready_languages = HashSet::default();
268    let (_lsp_open_handle, buffer) = if *use_language_server {
269        let (lsp_open_handle, _, buffer) = open_buffer_with_language_server(
270            project.clone(),
271            worktree.clone(),
272            cursor.path.clone(),
273            &mut ready_languages,
274            cx,
275        )
276        .await?;
277        (Some(lsp_open_handle), buffer)
278    } else {
279        let buffer =
280            open_buffer(project.clone(), worktree.clone(), cursor.path.clone(), cx).await?;
281        (None, buffer)
282    };
283
284    let full_path_str = worktree
285        .read_with(cx, |worktree, _| worktree.root_name().join(&cursor.path))?
286        .display(PathStyle::local())
287        .to_string();
288
289    let snapshot = cx.update(|cx| buffer.read(cx).snapshot())?;
290    let clipped_cursor = snapshot.clip_point(cursor.point, Bias::Left);
291    if clipped_cursor != cursor.point {
292        let max_row = snapshot.max_point().row;
293        if cursor.point.row < max_row {
294            return Err(anyhow!(
295                "Cursor position {:?} is out of bounds (line length is {})",
296                cursor.point,
297                snapshot.line_len(cursor.point.row)
298            ));
299        } else {
300            return Err(anyhow!(
301                "Cursor position {:?} is out of bounds (max row is {})",
302                cursor.point,
303                max_row
304            ));
305        }
306    }
307
308    Ok(LoadedContext {
309        full_path_str,
310        snapshot,
311        clipped_cursor,
312        worktree,
313        project,
314        buffer,
315    })
316}
317
318async fn zeta2_syntax_context(
319    zeta2_args: Zeta2Args,
320    syntax_args: Zeta2SyntaxArgs,
321    args: ContextArgs,
322    app_state: &Arc<ZetaCliAppState>,
323    cx: &mut AsyncApp,
324) -> Result<String> {
325    let LoadedContext {
326        worktree,
327        project,
328        buffer,
329        clipped_cursor,
330        ..
331    } = load_context(&args, app_state, cx).await?;
332
333    // wait for worktree scan before starting zeta2 so that wait_for_initial_indexing waits for
334    // the whole worktree.
335    worktree
336        .read_with(cx, |worktree, _cx| {
337            worktree.as_local().unwrap().scan_complete()
338        })?
339        .await;
340    let output = cx
341        .update(|cx| {
342            let zeta = cx.new(|cx| {
343                zeta2::Zeta::new(app_state.client.clone(), app_state.user_store.clone(), cx)
344            });
345            let indexing_done_task = zeta.update(cx, |zeta, cx| {
346                zeta.set_options(syntax_args_to_options(&zeta2_args, &syntax_args, true));
347                zeta.register_buffer(&buffer, &project, cx);
348                zeta.wait_for_initial_indexing(&project, cx)
349            });
350            cx.spawn(async move |cx| {
351                indexing_done_task.await?;
352                let request = zeta
353                    .update(cx, |zeta, cx| {
354                        let cursor = buffer.read(cx).snapshot().anchor_before(clipped_cursor);
355                        zeta.cloud_request_for_zeta_cli(&project, &buffer, cursor, cx)
356                    })?
357                    .await?;
358
359                let (prompt_string, section_labels) = cloud_zeta2_prompt::build_prompt(&request)?;
360
361                match zeta2_args.output_format {
362                    OutputFormat::Prompt => anyhow::Ok(prompt_string),
363                    OutputFormat::Request => anyhow::Ok(serde_json::to_string_pretty(&request)?),
364                    OutputFormat::Full => anyhow::Ok(serde_json::to_string_pretty(&json!({
365                        "request": request,
366                        "prompt": prompt_string,
367                        "section_labels": section_labels,
368                    }))?),
369                }
370            })
371        })?
372        .await?;
373
374    Ok(output)
375}
376
377async fn zeta1_context(
378    args: ContextArgs,
379    app_state: &Arc<ZetaCliAppState>,
380    cx: &mut AsyncApp,
381) -> Result<zeta::GatherContextOutput> {
382    let LoadedContext {
383        full_path_str,
384        snapshot,
385        clipped_cursor,
386        ..
387    } = load_context(&args, app_state, cx).await?;
388
389    let events = match args.edit_history {
390        Some(events) => events.read_to_string().await?,
391        None => String::new(),
392    };
393
394    let prompt_for_events = move || (events, 0);
395    cx.update(|cx| {
396        zeta::gather_context(
397            full_path_str,
398            &snapshot,
399            clipped_cursor,
400            prompt_for_events,
401            cx,
402        )
403    })?
404    .await
405}
406
407fn main() {
408    zlog::init();
409    zlog::init_output_stderr();
410    let args = ZetaCliArgs::parse();
411    let http_client = Arc::new(ReqwestClient::new());
412    let app = Application::headless().with_http_client(http_client);
413
414    app.run(move |cx| {
415        let app_state = Arc::new(headless::init(cx));
416        cx.spawn(async move |cx| {
417            match args.command {
418                None => {
419                    if args.printenv {
420                        ::util::shell_env::print_env();
421                        return;
422                    } else {
423                        panic!("Expected a command");
424                    }
425                }
426                Some(Command::Zeta1 {
427                    command: Zeta1Command::Context { context_args },
428                }) => {
429                    let context = zeta1_context(context_args, &app_state, cx).await.unwrap();
430                    let result = serde_json::to_string_pretty(&context.body).unwrap();
431                    println!("{}", result);
432                }
433                Some(Command::Zeta2 { command }) => match command {
434                    Zeta2Command::Predict(arguments) => {
435                        run_zeta2_predict(arguments, &app_state, cx).await;
436                    }
437                    Zeta2Command::Eval(arguments) => {
438                        run_evaluate(arguments, &app_state, cx).await;
439                    }
440                    Zeta2Command::Syntax {
441                        args,
442                        syntax_args,
443                        command,
444                    } => {
445                        let result = match command {
446                            Zeta2SyntaxCommand::Context { context_args } => {
447                                zeta2_syntax_context(
448                                    args,
449                                    syntax_args,
450                                    context_args,
451                                    &app_state,
452                                    cx,
453                                )
454                                .await
455                            }
456                            Zeta2SyntaxCommand::Stats {
457                                worktree,
458                                extension,
459                                limit,
460                                skip,
461                            } => {
462                                retrieval_stats(
463                                    worktree,
464                                    app_state,
465                                    extension,
466                                    limit,
467                                    skip,
468                                    syntax_args_to_options(&args, &syntax_args, false),
469                                    cx,
470                                )
471                                .await
472                            }
473                        };
474                        println!("{}", result.unwrap());
475                    }
476                },
477                Some(Command::ConvertExample {
478                    path,
479                    output_format,
480                }) => {
481                    let example = NamedExample::load(path).unwrap();
482                    example.write(output_format, io::stdout()).unwrap();
483                }
484                Some(Command::Clean) => {
485                    std::fs::remove_dir_all(&*crate::paths::TARGET_ZETA_DIR).unwrap()
486                }
487            };
488
489            let _ = cx.update(|cx| cx.quit());
490        })
491        .detach();
492    });
493}