rust/crates/ra_analysis/src/db.rs
2018-12-21 11:49:18 +03:00

99 lines
3.0 KiB
Rust

use std::{fmt, sync::Arc};
use salsa::{self, Database};
use ra_db::{LocationIntener, BaseDatabase};
use hir::{self, DefId, DefLoc};
use crate::{
symbol_index,
};
#[derive(Debug)]
pub(crate) struct RootDatabase {
runtime: salsa::Runtime<RootDatabase>,
id_maps: Arc<IdMaps>,
}
#[derive(Default)]
struct IdMaps {
defs: LocationIntener<DefLoc, DefId>,
}
impl fmt::Debug for IdMaps {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("IdMaps")
.field("n_defs", &self.defs.len())
.finish()
}
}
impl salsa::Database for RootDatabase {
fn salsa_runtime(&self) -> &salsa::Runtime<RootDatabase> {
&self.runtime
}
}
impl Default for RootDatabase {
fn default() -> RootDatabase {
let mut db = RootDatabase {
runtime: salsa::Runtime::default(),
id_maps: Default::default(),
};
db.query_mut(ra_db::CrateGraphQuery)
.set((), Default::default());
db.query_mut(ra_db::LocalRootsQuery)
.set((), Default::default());
db.query_mut(ra_db::LibraryRootsQuery)
.set((), Default::default());
db
}
}
impl salsa::ParallelDatabase for RootDatabase {
fn snapshot(&self) -> salsa::Snapshot<RootDatabase> {
salsa::Snapshot::new(RootDatabase {
runtime: self.runtime.snapshot(self),
id_maps: self.id_maps.clone(),
})
}
}
impl BaseDatabase for RootDatabase {}
impl AsRef<LocationIntener<DefLoc, DefId>> for RootDatabase {
fn as_ref(&self) -> &LocationIntener<DefLoc, DefId> {
&self.id_maps.defs
}
}
salsa::database_storage! {
pub(crate) struct RootDatabaseStorage for RootDatabase {
impl ra_db::FilesDatabase {
fn file_text() for ra_db::FileTextQuery;
fn file_relative_path() for ra_db::FileRelativePathQuery;
fn file_source_root() for ra_db::FileSourceRootQuery;
fn source_root() for ra_db::SourceRootQuery;
fn local_roots() for ra_db::LocalRootsQuery;
fn library_roots() for ra_db::LibraryRootsQuery;
fn crate_graph() for ra_db::CrateGraphQuery;
}
impl ra_db::SyntaxDatabase {
fn source_file() for ra_db::SourceFileQuery;
fn file_lines() for ra_db::FileLinesQuery;
}
impl symbol_index::SymbolsDatabase {
fn file_symbols() for symbol_index::FileSymbolsQuery;
fn library_symbols() for symbol_index::LibrarySymbolsQuery;
}
impl hir::db::HirDatabase {
fn module_tree() for hir::db::ModuleTreeQuery;
fn fn_scopes() for hir::db::FnScopesQuery;
fn file_items() for hir::db::SourceFileItemsQuery;
fn file_item() for hir::db::FileItemQuery;
fn input_module_items() for hir::db::InputModuleItemsQuery;
fn item_map() for hir::db::ItemMapQuery;
fn fn_syntax() for hir::db::FnSyntaxQuery;
fn submodules() for hir::db::SubmodulesQuery;
}
}
}