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use std::{fmt, sync::Arc};
use salsa::{self, Database};
use ra_db::{LocationIntener, BaseDatabase, FileId, Canceled};
use crate::{symbol_index, LineIndex};
#[derive(Debug)]
pub(crate) struct RootDatabase {
runtime: salsa::Runtime<RootDatabase>,
id_maps: Arc<IdMaps>,
}
#[derive(Default)]
struct IdMaps {
defs: LocationIntener<hir::DefLoc, hir::DefId>,
macros: LocationIntener<hir::MacroCallLoc, hir::MacroCallId>,
}
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
}
fn on_propagated_panic(&self) -> ! {
Canceled::throw()
}
}
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<hir::DefLoc, hir::DefId>> for RootDatabase {
fn as_ref(&self) -> &LocationIntener<hir::DefLoc, hir::DefId> {
&self.id_maps.defs
}
}
impl AsRef<LocationIntener<hir::MacroCallLoc, hir::MacroCallId>> for RootDatabase {
fn as_ref(&self) -> &LocationIntener<hir::MacroCallLoc, hir::MacroCallId> {
&self.id_maps.macros
}
}
salsa::query_group! {
pub(crate) trait LineIndexDatabase: ra_db::FilesDatabase + BaseDatabase {
fn line_index(file_id: FileId) -> Arc<LineIndex> {
type LineIndexQuery;
}
}
}
fn line_index(db: &impl ra_db::FilesDatabase, file_id: FileId) -> Arc<LineIndex> {
let text = db.file_text(file_id);
Arc::new(LineIndex::new(&*text))
}
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;
}
impl LineIndexDatabase {
fn line_index() for LineIndexQuery;
}
impl symbol_index::SymbolsDatabase {
fn file_symbols() for symbol_index::FileSymbolsQuery;
fn library_symbols() for symbol_index::LibrarySymbolsQuery;
}
impl hir::db::HirDatabase {
fn hir_source_file() for hir::db::HirSourceFileQuery;
fn expand_macro_invocation() for hir::db::ExpandMacroCallQuery;
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 submodules() for hir::db::SubmodulesQuery;
fn infer() for hir::db::InferQuery;
fn type_for_def() for hir::db::TypeForDefQuery;
fn type_for_field() for hir::db::TypeForFieldQuery;
fn struct_data() for hir::db::StructDataQuery;
fn enum_data() for hir::db::EnumDataQuery;
fn enum_variant_data() for hir::db::EnumVariantDataQuery;
fn impls_in_module() for hir::db::ImplsInModuleQuery;
fn impls_in_crate() for hir::db::ImplsInCrateQuery;
fn body_hir() for hir::db::BodyHirQuery;
fn body_syntax_mapping() for hir::db::BodySyntaxMappingQuery;
fn fn_signature() for hir::db::FnSignatureQuery;
}
}
}
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