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Add AttrDefId::krate

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Access to the containing crate will be needed to handle `cfg_attr`
This commit is contained in:
Jonas Schievink 2020-12-17 14:29:29 +01:00
parent ce8ec28638
commit eaeabbb815
1 changed files with 30 additions and 0 deletions
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30
crates/hir_def/src/lib.rs
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@ -425,6 +425,16 @@ impl HasModule for AdtId {
}
}
impl HasModule for VariantId {
fn module(&self, db: &dyn db::DefDatabase) -> ModuleId {
match self {
VariantId::EnumVariantId(it) => it.parent.lookup(db).container.module(db),
VariantId::StructId(it) => it.lookup(db).container.module(db),
VariantId::UnionId(it) => it.lookup(db).container.module(db),
}
}
}
impl HasModule for DefWithBodyId {
fn module(&self, db: &dyn db::DefDatabase) -> ModuleId {
match self {
@ -465,6 +475,26 @@ impl HasModule for StaticLoc {
}
}
impl AttrDefId {
pub fn krate(&self, db: &dyn db::DefDatabase) -> CrateId {
match self {
AttrDefId::ModuleId(it) => it.krate,
AttrDefId::FieldId(it) => it.parent.module(db).krate,
AttrDefId::AdtId(it) => it.module(db).krate,
AttrDefId::FunctionId(it) => it.lookup(db).module(db).krate,
AttrDefId::EnumVariantId(it) => it.parent.lookup(db).container.module(db).krate,
AttrDefId::StaticId(it) => it.lookup(db).module(db).krate,
AttrDefId::ConstId(it) => it.lookup(db).module(db).krate,
AttrDefId::TraitId(it) => it.lookup(db).container.module(db).krate,
AttrDefId::TypeAliasId(it) => it.lookup(db).module(db).krate,
AttrDefId::ImplId(it) => it.lookup(db).container.module(db).krate,
// FIXME: `MacroDefId` should store the defining module, then this can implement
// `HasModule`
AttrDefId::MacroDefId(it) => it.krate,
}
}
}
/// A helper trait for converting to MacroCallId
pub trait AsMacroCall {
fn as_call_id(