rust/crates/hir_def/src/db.rs
2021-03-18 01:53:37 +01:00

140 lines
5.1 KiB
Rust

//! Defines database & queries for name resolution.
use std::sync::Arc;
use base_db::{salsa, CrateId, SourceDatabase, Upcast};
use hir_expand::{db::AstDatabase, HirFileId};
use la_arena::ArenaMap;
use syntax::SmolStr;
use crate::{
adt::{EnumData, StructData},
attr::Attrs,
body::{scope::ExprScopes, Body, BodySourceMap},
data::{ConstData, FunctionData, ImplData, StaticData, TraitData, TypeAliasData},
generics::GenericParams,
import_map::ImportMap,
item_tree::ItemTree,
lang_item::{LangItemTarget, LangItems},
nameres::DefMap,
AttrDefId, BlockId, BlockLoc, ConstId, ConstLoc, DefWithBodyId, EnumId, EnumLoc, FunctionId,
FunctionLoc, GenericDefId, ImplId, ImplLoc, LocalEnumVariantId, LocalFieldId, StaticId,
StaticLoc, StructId, StructLoc, TraitId, TraitLoc, TypeAliasId, TypeAliasLoc, UnionId,
UnionLoc, VariantId,
};
#[salsa::query_group(InternDatabaseStorage)]
pub trait InternDatabase: SourceDatabase {
#[salsa::interned]
fn intern_function(&self, loc: FunctionLoc) -> FunctionId;
#[salsa::interned]
fn intern_struct(&self, loc: StructLoc) -> StructId;
#[salsa::interned]
fn intern_union(&self, loc: UnionLoc) -> UnionId;
#[salsa::interned]
fn intern_enum(&self, loc: EnumLoc) -> EnumId;
#[salsa::interned]
fn intern_const(&self, loc: ConstLoc) -> ConstId;
#[salsa::interned]
fn intern_static(&self, loc: StaticLoc) -> StaticId;
#[salsa::interned]
fn intern_trait(&self, loc: TraitLoc) -> TraitId;
#[salsa::interned]
fn intern_type_alias(&self, loc: TypeAliasLoc) -> TypeAliasId;
#[salsa::interned]
fn intern_impl(&self, loc: ImplLoc) -> ImplId;
#[salsa::interned]
fn intern_block(&self, loc: BlockLoc) -> BlockId;
}
#[salsa::query_group(DefDatabaseStorage)]
pub trait DefDatabase: InternDatabase + AstDatabase + Upcast<dyn AstDatabase> {
#[salsa::invoke(ItemTree::file_item_tree_query)]
fn file_item_tree(&self, file_id: HirFileId) -> Arc<ItemTree>;
#[salsa::invoke(crate_def_map_wait)]
#[salsa::transparent]
fn crate_def_map(&self, krate: CrateId) -> Arc<DefMap>;
#[salsa::invoke(DefMap::crate_def_map_query)]
fn crate_def_map_query(&self, krate: CrateId) -> Arc<DefMap>;
/// Computes the block-level `DefMap`, returning `None` when `block` doesn't contain any inner
/// items directly.
///
/// For example:
///
/// ```
/// fn f() { // (0)
/// { // (1)
/// fn inner() {}
/// }
/// }
/// ```
///
/// The `block_def_map` for block 0 would return `None`, while `block_def_map` of block 1 would
/// return a `DefMap` containing `inner`.
#[salsa::invoke(DefMap::block_def_map_query)]
fn block_def_map(&self, block: BlockId) -> Option<Arc<DefMap>>;
#[salsa::invoke(StructData::struct_data_query)]
fn struct_data(&self, id: StructId) -> Arc<StructData>;
#[salsa::invoke(StructData::union_data_query)]
fn union_data(&self, id: UnionId) -> Arc<StructData>;
#[salsa::invoke(EnumData::enum_data_query)]
fn enum_data(&self, e: EnumId) -> Arc<EnumData>;
#[salsa::invoke(ImplData::impl_data_query)]
fn impl_data(&self, e: ImplId) -> Arc<ImplData>;
#[salsa::invoke(TraitData::trait_data_query)]
fn trait_data(&self, e: TraitId) -> Arc<TraitData>;
#[salsa::invoke(TypeAliasData::type_alias_data_query)]
fn type_alias_data(&self, e: TypeAliasId) -> Arc<TypeAliasData>;
#[salsa::invoke(FunctionData::fn_data_query)]
fn function_data(&self, func: FunctionId) -> Arc<FunctionData>;
#[salsa::invoke(ConstData::const_data_query)]
fn const_data(&self, konst: ConstId) -> Arc<ConstData>;
#[salsa::invoke(StaticData::static_data_query)]
fn static_data(&self, konst: StaticId) -> Arc<StaticData>;
#[salsa::invoke(Body::body_with_source_map_query)]
fn body_with_source_map(&self, def: DefWithBodyId) -> (Arc<Body>, Arc<BodySourceMap>);
#[salsa::invoke(Body::body_query)]
fn body(&self, def: DefWithBodyId) -> Arc<Body>;
#[salsa::invoke(ExprScopes::expr_scopes_query)]
fn expr_scopes(&self, def: DefWithBodyId) -> Arc<ExprScopes>;
#[salsa::invoke(GenericParams::generic_params_query)]
fn generic_params(&self, def: GenericDefId) -> Arc<GenericParams>;
#[salsa::invoke(Attrs::variants_attrs_query)]
fn variants_attrs(&self, def: EnumId) -> Arc<ArenaMap<LocalEnumVariantId, Attrs>>;
#[salsa::invoke(Attrs::fields_attrs_query)]
fn fields_attrs(&self, def: VariantId) -> Arc<ArenaMap<LocalFieldId, Attrs>>;
#[salsa::invoke(Attrs::attrs_query)]
fn attrs(&self, def: AttrDefId) -> Attrs;
#[salsa::invoke(LangItems::crate_lang_items_query)]
fn crate_lang_items(&self, krate: CrateId) -> Arc<LangItems>;
#[salsa::invoke(LangItems::lang_item_query)]
fn lang_item(&self, start_crate: CrateId, item: SmolStr) -> Option<LangItemTarget>;
#[salsa::invoke(ImportMap::import_map_query)]
fn import_map(&self, krate: CrateId) -> Arc<ImportMap>;
}
fn crate_def_map_wait(db: &dyn DefDatabase, krate: CrateId) -> Arc<DefMap> {
let _p = profile::span("crate_def_map:wait");
db.crate_def_map_query(krate)
}