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Add Lifetimes to the HIR

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This commit is contained in:
Lukas Wirth 2020-12-11 13:49:32 +01:00
parent 41321d9678
commit 11f8664182
16 changed files with 249 additions and 96 deletions
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15
crates/hir_ty/src/display.rs
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@ -4,7 +4,7 @@ use std::fmt;
use crate::{
db::HirDatabase, utils::generics, ApplicationTy, CallableDefId, FnSig, GenericPredicate,
Obligation, OpaqueTyId, ProjectionTy, Substs, TraitRef, Ty, TypeCtor,
Lifetime, Obligation, OpaqueTyId, ProjectionTy, Substs, TraitRef, Ty, TypeCtor,
};
use hir_def::{
find_path, generics::TypeParamProvenance, item_scope::ItemInNs, AdtId, AssocContainerId,
@ -710,6 +710,19 @@ impl HirDisplay for GenericPredicate {
}
}
impl HirDisplay for Lifetime {
fn hir_fmt(&self, f: &mut HirFormatter) -> Result<(), HirDisplayError> {
match self {
Lifetime::Parameter(id) => {
let generics = generics(f.db.upcast(), id.parent);
let param_data = &generics.params.lifetimes[id.local_id];
write!(f, "{}", &param_data.name)
}
Lifetime::Static => write!(f, "'static"),
}
}
}
impl HirDisplay for Obligation {
fn hir_fmt(&self, f: &mut HirFormatter) -> Result<(), HirDisplayError> {
match self {