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red-knot: Add a method to resolve a file for an arbitrary VfsPath (#11826)

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Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
This commit is contained in:
Micha Reiser 2024-06-18 13:03:30 +01:00 • committed by GitHub
parent 13ad24b13e
commit 98b13b9844
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4 changed files with 75 additions and 59 deletions
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29
crates/ruff_db/src/lib.rs
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@ -3,10 +3,10 @@ use std::hash::BuildHasherDefault;
use rustc_hash::FxHasher;
use salsa::DbWithJar;
use crate::file_system::{FileSystem, FileSystemPath};
use crate::file_system::FileSystem;
use crate::parsed::parsed_module;
use crate::source::{line_index, source_text};
use crate::vfs::{VendoredPath, Vfs, VfsFile};
use crate::vfs::{Vfs, VfsFile};
pub mod file_system;
pub mod parsed;
@ -20,25 +20,6 @@ pub struct Jar(VfsFile, source_text, line_index, parsed_module);
/// Database that gives access to the virtual filesystem, source code, and parsed AST.
pub trait Db: DbWithJar<Jar> {
/// Interns a file system path and returns a salsa `File` ingredient.
///
/// The operation is guaranteed to always succeed, even if the path doesn't exist, isn't accessible, or if the path points to a directory.
/// In these cases, a file with status [`FileStatus::Deleted`](vfs::FileStatus::Deleted) is returned.
fn file(&self, path: &FileSystemPath) -> VfsFile
where
Self: Sized,
{
self.vfs().file(self, path)
}
/// Interns a vendored file path. Returns `None` if no such vendored file exists and `Some` otherwise.
fn vendored_file(&self, path: &VendoredPath) -> Option<VfsFile>
where
Self: Sized,
{
self.vfs().vendored(self, path)
}
fn file_system(&self) -> &dyn FileSystem;
fn vfs(&self) -> &Vfs;
@ -51,11 +32,13 @@ pub trait Upcast<T: ?Sized> {
#[cfg(test)]
mod tests {
use std::sync::Arc;
use salsa::DebugWithDb;
use crate::file_system::{FileSystem, MemoryFileSystem};
use crate::vfs::{VendoredPathBuf, Vfs};
use crate::{Db, Jar};
use salsa::DebugWithDb;
use std::sync::Arc;
/// Database that can be used for testing.
///