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authorkazatsuyu <[email protected]>2021-01-22 13:28:45 +0000
committerkazatsuyu <[email protected]>2021-01-22 13:28:45 +0000
commite52589e3a72ed57d47956d16d90f4b15fc7408f0 (patch)
treec16f0615942094ac0e28ab3c8ef080833614c000 /crates/hir_def/src/nameres
parent2472851ccf22762065670e1cf00a9c39db869aac (diff)
Fix error when using "extern crate self as"
Diffstat (limited to 'crates/hir_def/src/nameres')
-rw-r--r--crates/hir_def/src/nameres/path_resolution.rs6
-rw-r--r--crates/hir_def/src/nameres/tests/diagnostics.rs15
2 files changed, 21 insertions, 0 deletions
diff --git a/crates/hir_def/src/nameres/path_resolution.rs b/crates/hir_def/src/nameres/path_resolution.rs
index ec90f4e65..a6e0f64fc 100644
--- a/crates/hir_def/src/nameres/path_resolution.rs
+++ b/crates/hir_def/src/nameres/path_resolution.rs
@@ -14,6 +14,7 @@ use std::iter::successors;
14 14
15use base_db::Edition; 15use base_db::Edition;
16use hir_expand::name::Name; 16use hir_expand::name::Name;
17use hir_expand::name;
17use test_utils::mark; 18use test_utils::mark;
18 19
19use crate::{ 20use crate::{
@@ -63,6 +64,11 @@ impl ResolvePathResult {
63 64
64impl DefMap { 65impl DefMap {
65 pub(super) fn resolve_name_in_extern_prelude(&self, name: &Name) -> PerNs { 66 pub(super) fn resolve_name_in_extern_prelude(&self, name: &Name) -> PerNs {
67 if name == &name!(self) {
68 return PerNs::types(ModuleId { krate: self.krate, local_id: self.root }.into(),
69 Visibility::Public,
70 );
71 }
66 self.extern_prelude 72 self.extern_prelude
67 .get(name) 73 .get(name)
68 .map_or(PerNs::none(), |&it| PerNs::types(it, Visibility::Public)) 74 .map_or(PerNs::none(), |&it| PerNs::types(it, Visibility::Public))
diff --git a/crates/hir_def/src/nameres/tests/diagnostics.rs b/crates/hir_def/src/nameres/tests/diagnostics.rs
index 58d69d3c6..679a505dc 100644
--- a/crates/hir_def/src/nameres/tests/diagnostics.rs
+++ b/crates/hir_def/src/nameres/tests/diagnostics.rs
@@ -62,6 +62,21 @@ fn unresolved_extern_crate() {
62} 62}
63 63
64#[test] 64#[test]
65fn extern_crate_self_as() {
66 check_diagnostics(
67 r"
68 //- /lib.rs
69 extern crate doesnotexist;
70 //^^^^^^^^^^^^^^^^^^^^^^^^^^ unresolved extern crate
71 // Should not error.
72 extern crate self as foo;
73 struct Foo;
74 use foo::Foo as Bar;
75 ",
76 );
77}
78
79#[test]
65fn dedup_unresolved_import_from_unresolved_crate() { 80fn dedup_unresolved_import_from_unresolved_crate() {
66 check_diagnostics( 81 check_diagnostics(
67 r" 82 r"