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feat: IDE features for primitive tuple fields

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Lukas Wirth 2024-01-06 15:04:58 +01:00
parent 59457091bb
commit 963568b46f
25 changed files with 242 additions and 96 deletions
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25
crates/hir/src/lib.rs
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@ -55,7 +55,7 @@ use hir_def::{
AssocItemId, AssocItemLoc, AttrDefId, ConstId, ConstParamId, CrateRootModuleId, DefWithBodyId,
EnumId, EnumVariantId, ExternCrateId, FunctionId, GenericDefId, GenericParamId, HasModule,
ImplId, InTypeConstId, ItemContainerId, LifetimeParamId, LocalEnumVariantId, LocalFieldId,
Lookup, MacroExpander, MacroId, ModuleId, StaticId, StructId, TraitAliasId, TraitId,
Lookup, MacroExpander, MacroId, ModuleId, StaticId, StructId, TraitAliasId, TraitId, TupleId,
TypeAliasId, TypeOrConstParamId, TypeParamId, UnionId,
};
use hir_expand::{attrs::collect_attrs, name::name, proc_macro::ProcMacroKind, MacroCallKind};
@ -1038,6 +1038,29 @@ pub struct Field {
pub(crate) id: LocalFieldId,
}
#[derive(Debug, PartialEq, Eq, Copy, Clone, Hash)]
pub struct TupleField {
pub owner: DefWithBodyId,
pub tuple: TupleId,
pub index: u32,
}
impl TupleField {
pub fn name(&self) -> Name {
Name::new_tuple_field(self.index as usize)
}
pub fn ty(&self, db: &dyn HirDatabase) -> Type {
let ty = db.infer(self.owner).tuple_field_access_types[&self.tuple]
.as_slice(Interner)
.get(self.index as usize)
.and_then(|arg| arg.ty(Interner))
.cloned()
.unwrap_or_else(|| TyKind::Error.intern(Interner));
Type { env: db.trait_environment_for_body(self.owner), ty }
}
}
#[derive(Debug, PartialEq, Eq)]
pub enum FieldSource {
Named(ast::RecordField),