ruff/crates/ruff_diagnostics/src/diagnostic.rs

101 lines
2.9 KiB
Rust

use anyhow::Result;
use log::error;
use ruff_text_size::{TextRange, TextSize};
#[cfg(feature = "serde")]
use serde::{Deserialize, Serialize};
use crate::{Edit, Fix};
#[derive(Debug, PartialEq, Eq, Clone)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct DiagnosticKind {
/// The identifier of the diagnostic, used to align the diagnostic with a rule.
pub name: String,
/// The message body to display to the user, to explain the diagnostic.
pub body: String,
/// The message to display to the user, to explain the suggested fix.
pub suggestion: Option<String>,
/// Whether the diagnostic is automatically fixable.
pub fixable: bool,
}
#[derive(Debug, PartialEq, Eq, Clone)]
pub struct Diagnostic {
pub kind: DiagnosticKind,
pub range: TextRange,
pub fix: Option<Fix>,
pub parent: Option<TextSize>,
}
impl Diagnostic {
pub fn new<T: Into<DiagnosticKind>>(kind: T, range: TextRange) -> Self {
Self {
kind: kind.into(),
range,
fix: None,
parent: None,
}
}
/// Set the [`Fix`] used to fix the diagnostic.
#[inline]
pub fn set_fix(&mut self, fix: Fix) {
self.fix = Some(fix);
}
/// Set the [`Fix`] used to fix the diagnostic.
#[inline]
#[deprecated(note = "Use `Diagnostic::set_fix` instead.")]
pub fn set_fix_from_edit(&mut self, edit: Edit) {
self.fix = Some(Fix::unspecified(edit));
}
/// Consumes `self` and returns a new `Diagnostic` with the given `fix`.
#[inline]
#[must_use]
pub fn with_fix(mut self, fix: Fix) -> Self {
self.set_fix(fix);
self
}
/// Set the [`Fix`] used to fix the diagnostic, if the provided function returns `Ok`.
/// Otherwise, log the error.
#[inline]
pub fn try_set_fix(&mut self, func: impl FnOnce() -> Result<Fix>) {
match func() {
Ok(fix) => self.fix = Some(fix),
Err(err) => error!("Failed to create fix for {}: {}", self.kind.name, err),
}
}
/// Sets an [`Edit`] used to fix the diagnostic, if the provided function returns `Ok`.
/// Otherwise, log the error.
#[inline]
#[deprecated(note = "Use Diagnostic::try_set_fix instead")]
pub fn try_set_fix_from_edit(&mut self, func: impl FnOnce() -> Result<Edit>) {
match func() {
Ok(edit) => self.fix = Some(Fix::unspecified(edit)),
Err(err) => error!("Failed to create fix for {}: {}", self.kind.name, err),
}
}
pub const fn range(&self) -> TextRange {
self.range
}
pub const fn start(&self) -> TextSize {
self.range.start()
}
pub const fn end(&self) -> TextSize {
self.range.end()
}
/// Set the location of the diagnostic's parent node.
#[inline]
pub fn set_parent(&mut self, parent: TextSize) {
self.parent = Some(parent);
}
}