Richard Feldman
e8a40085de
If the tool asks to read a path, we don't need to verify whether that path exists on disk; an unsaved buffer with that path is fine. Release Notes: - N/A
104 lines
3.3 KiB
Rust
104 lines
3.3 KiB
Rust
use std::path::Path;
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use std::sync::Arc;
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use anyhow::{anyhow, Result};
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use assistant_tool::{ActionLog, Tool};
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use gpui::{App, Entity, Task};
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use itertools::Itertools;
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use language_model::LanguageModelRequestMessage;
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use project::Project;
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use schemars::JsonSchema;
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use serde::{Deserialize, Serialize};
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#[derive(Debug, Serialize, Deserialize, JsonSchema)]
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pub struct ReadFileToolInput {
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/// The relative path of the file to read.
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///
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/// This path should never be absolute, and the first component
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/// of the path should always be a root directory in a project.
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///
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/// <example>
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/// If the project has the following root directories:
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///
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/// - directory1
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/// - directory2
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///
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/// If you wanna access `file.txt` in `directory1`, you should use the path `directory1/file.txt`.
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/// If you wanna access `file.txt` in `directory2`, you should use the path `directory2/file.txt`.
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/// </example>
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pub path: Arc<Path>,
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/// Optional line number to start reading on (1-based index)
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#[serde(default)]
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pub start_line: Option<usize>,
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/// Optional line number to end reading on (1-based index)
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#[serde(default)]
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pub end_line: Option<usize>,
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}
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pub struct ReadFileTool;
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impl Tool for ReadFileTool {
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fn name(&self) -> String {
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"read-file".into()
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}
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fn description(&self) -> String {
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include_str!("./read_file_tool/description.md").into()
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}
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fn input_schema(&self) -> serde_json::Value {
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let schema = schemars::schema_for!(ReadFileToolInput);
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serde_json::to_value(&schema).unwrap()
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}
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fn run(
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self: Arc<Self>,
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input: serde_json::Value,
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_messages: &[LanguageModelRequestMessage],
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project: Entity<Project>,
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action_log: Entity<ActionLog>,
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cx: &mut App,
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) -> Task<Result<String>> {
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let input = match serde_json::from_value::<ReadFileToolInput>(input) {
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Ok(input) => input,
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Err(err) => return Task::ready(Err(anyhow!(err))),
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};
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let Some(project_path) = project.read(cx).find_project_path(&input.path, cx) else {
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return Task::ready(Err(anyhow!("Path not found in project")));
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};
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cx.spawn(async move |cx| {
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let buffer = cx
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.update(|cx| {
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project.update(cx, |project, cx| project.open_buffer(project_path, cx))
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})?
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.await?;
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let result = buffer.read_with(cx, |buffer, _cx| {
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let text = buffer.text();
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if input.start_line.is_some() || input.end_line.is_some() {
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let start = input.start_line.unwrap_or(1);
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let lines = text.split('\n').skip(start - 1);
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if let Some(end) = input.end_line {
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let count = end.saturating_sub(start);
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Itertools::intersperse(lines.take(count), "\n").collect()
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} else {
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Itertools::intersperse(lines, "\n").collect()
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}
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} else {
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text
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}
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})?;
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action_log.update(cx, |log, cx| {
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log.buffer_read(buffer, cx);
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})?;
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anyhow::Ok(result)
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})
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}
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}
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