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save_analysis: fix enum reference to point to variant rather than constructor 

Fixes #61302
This commit is contained in:
marmeladema 2020-06-09 23:06:02 +01:00
parent 9015c41433
commit 5bfa7f0ff4
1 changed files with 7 additions and 11 deletions
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18
src/librustc_save_analysis/lib.rs
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@ -13,7 +13,7 @@ use rustc_ast::ast::{self};
use rustc_ast::util::comments::strip_doc_comment_decoration;
use rustc_ast_pretty::pprust::attribute_to_string;
use rustc_hir as hir;
use rustc_hir::def::{CtorOf, DefKind as HirDefKind, Res};
use rustc_hir::def::{DefKind as HirDefKind, Res};
use rustc_hir::def_id::{DefId, LOCAL_CRATE};
use rustc_hir::intravisit::{self, Visitor};
use rustc_hir::Node;
@ -708,20 +708,16 @@ impl<'l, 'tcx> SaveContext<'l, 'tcx> {
Res::Def(HirDefKind::ConstParam, def_id) => {
Some(Ref { kind: RefKind::Variable, span, ref_id: id_from_def_id(def_id) })
}
Res::Def(HirDefKind::Ctor(CtorOf::Struct, ..), def_id) => {
// This is a reference to a tuple struct where the def_id points
Res::Def(HirDefKind::Ctor(_, ..), def_id) => {
// This is a reference to a tuple struct or an enum variant where the def_id points
// to an invisible constructor function. That is not a very useful
// def, so adjust to point to the tuple struct itself.
// def, so adjust to point to the tuple struct or enum variant itself.
let parent_def_id = self.tcx.parent(def_id).unwrap();
Some(Ref { kind: RefKind::Type, span, ref_id: id_from_def_id(parent_def_id) })
}
Res::Def(
HirDefKind::Static
| HirDefKind::Const
| HirDefKind::AssocConst
| HirDefKind::Ctor(..),
_,
) => Some(Ref { kind: RefKind::Variable, span, ref_id: id_from_def_id(res.def_id()) }),
Res::Def(HirDefKind::Static | HirDefKind::Const | HirDefKind::AssocConst, _) => {
Some(Ref { kind: RefKind::Variable, span, ref_id: id_from_def_id(res.def_id()) })
}
Res::Def(HirDefKind::AssocFn, decl_id) => {
let def_id = if decl_id.is_local() {
let ti = self.tcx.associated_item(decl_id);