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Look for the fXX_runtime lang items during method resolution.

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This commit is contained in:
Marco Groppo 2019-07-08 20:37:29 +02:00
parent 3210002201
commit 95d78a8d8d
1 changed files with 6 additions and 4 deletions
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10
crates/ra_hir/src/ty/method_resolution.rs
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@ -14,7 +14,7 @@ use crate::{
nameres::CrateModuleId,
resolve::Resolver,
traits::TraitItem,
ty::primitive::{UncertainFloatTy, UncertainIntTy},
ty::primitive::{FloatBitness, UncertainFloatTy, UncertainIntTy},
ty::{Ty, TypeCtor},
Crate, Function, HirDatabase, Module, Name, Trait,
};
@ -132,9 +132,11 @@ fn def_crates(db: &impl HirDatabase, cur_crate: Crate, ty: &Ty) -> Option<ArrayV
TypeCtor::Adt(def_id) => Some(std::iter::once(def_id.krate(db)?).collect()),
TypeCtor::Bool => lang_item_crate!(db, cur_crate, "bool"),
TypeCtor::Char => lang_item_crate!(db, cur_crate, "char"),
TypeCtor::Float(UncertainFloatTy::Known(f)) => {
lang_item_crate!(db, cur_crate, f.ty_to_string())
}
TypeCtor::Float(UncertainFloatTy::Known(f)) => match f.bitness {
// There are two lang items: one in libcore (fXX) and one in libstd (fXX_runtime)
FloatBitness::X32 => lang_item_crate!(db, cur_crate, "f32", "f32_runtime"),
FloatBitness::X64 => lang_item_crate!(db, cur_crate, "f64", "f64_runtime"),
},
TypeCtor::Int(UncertainIntTy::Known(i)) => {
lang_item_crate!(db, cur_crate, i.ty_to_string())
}