ruff/crates/red_knot_test/src/db.rs

112 lines
2.7 KiB
Rust

use std::sync::Arc;
use red_knot_python_semantic::lint::{LintRegistry, RuleSelection};
use red_knot_python_semantic::{
default_lint_registry, Db as SemanticDb, Program, ProgramSettings, PythonPlatform,
PythonVersion, SearchPathSettings,
};
use ruff_db::files::{File, Files};
use ruff_db::system::{DbWithTestSystem, System, SystemPath, SystemPathBuf, TestSystem};
use ruff_db::vendored::VendoredFileSystem;
use ruff_db::{Db as SourceDb, Upcast};
#[salsa::db]
#[derive(Clone)]
pub(crate) struct Db {
project_root: SystemPathBuf,
storage: salsa::Storage<Self>,
files: Files,
system: TestSystem,
vendored: VendoredFileSystem,
rule_selection: Arc<RuleSelection>,
}
impl Db {
pub(crate) fn setup(project_root: SystemPathBuf) -> Self {
let rule_selection = RuleSelection::from_registry(default_lint_registry());
let db = Self {
project_root,
storage: salsa::Storage::default(),
system: TestSystem::default(),
vendored: red_knot_vendored::file_system().clone(),
files: Files::default(),
rule_selection: Arc::new(rule_selection),
};
db.memory_file_system()
.create_directory_all(&db.project_root)
.unwrap();
Program::from_settings(
&db,
ProgramSettings {
python_version: PythonVersion::default(),
python_platform: PythonPlatform::default(),
search_paths: SearchPathSettings::new(vec![db.project_root.clone()]),
},
)
.expect("Invalid search path settings");
db
}
pub(crate) fn project_root(&self) -> &SystemPath {
&self.project_root
}
}
impl DbWithTestSystem for Db {
fn test_system(&self) -> &TestSystem {
&self.system
}
fn test_system_mut(&mut self) -> &mut TestSystem {
&mut self.system
}
}
#[salsa::db]
impl SourceDb for Db {
fn vendored(&self) -> &VendoredFileSystem {
&self.vendored
}
fn system(&self) -> &dyn System {
&self.system
}
fn files(&self) -> &Files {
&self.files
}
}
impl Upcast<dyn SourceDb> for Db {
fn upcast(&self) -> &(dyn SourceDb + 'static) {
self
}
fn upcast_mut(&mut self) -> &mut (dyn SourceDb + 'static) {
self
}
}
#[salsa::db]
impl SemanticDb for Db {
fn is_file_open(&self, file: File) -> bool {
!file.path(self).is_vendored_path()
}
fn rule_selection(&self) -> Arc<RuleSelection> {
self.rule_selection.clone()
}
fn lint_registry(&self) -> &LintRegistry {
default_lint_registry()
}
}
#[salsa::db]
impl salsa::Database for Db {
fn salsa_event(&self, _event: &dyn Fn() -> salsa::Event) {}
}