From 3c72fc05738b8a08dbf90dab18a15b9894d9e2a1 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Tue, 16 Jun 2020 18:45:58 +0200
Subject: Anchor file-system operations to the file, and not to the source
 root.

Anchoring to the SourceRoot wont' work if the path is absolute:

  #[path = "/tmp/foo.rs"]
  mod foo;

Anchoring to a file will.

However, we *should* anchor, instead of just producing an abs path.

I can imagine a situation where, for example, rust-analyzer processes
crates from different machines (or, for example, from in-memory git
branch), where the same absolute path in different crates might refer
to different files in the end!
---
 crates/ra_hir_def/src/diagnostics.rs            | 3 +--
 crates/ra_hir_def/src/nameres.rs                | 3 +--
 crates/ra_hir_def/src/nameres/mod_resolution.rs | 8 ++++----
 3 files changed, 6 insertions(+), 8 deletions(-)

(limited to 'crates/ra_hir_def/src')

diff --git a/crates/ra_hir_def/src/diagnostics.rs b/crates/ra_hir_def/src/diagnostics.rs
index 510c5e064..30db48f86 100644
--- a/crates/ra_hir_def/src/diagnostics.rs
+++ b/crates/ra_hir_def/src/diagnostics.rs
@@ -3,7 +3,6 @@
 use std::any::Any;
 
 use hir_expand::diagnostics::Diagnostic;
-use ra_db::RelativePathBuf;
 use ra_syntax::{ast, AstPtr, SyntaxNodePtr};
 
 use hir_expand::{HirFileId, InFile};
@@ -12,7 +11,7 @@ use hir_expand::{HirFileId, InFile};
 pub struct UnresolvedModule {
     pub file: HirFileId,
     pub decl: AstPtr<ast::Module>,
-    pub candidate: RelativePathBuf,
+    pub candidate: String,
 }
 
 impl Diagnostic for UnresolvedModule {
diff --git a/crates/ra_hir_def/src/nameres.rs b/crates/ra_hir_def/src/nameres.rs
index f279c2ad4..b3e5f491a 100644
--- a/crates/ra_hir_def/src/nameres.rs
+++ b/crates/ra_hir_def/src/nameres.rs
@@ -296,7 +296,6 @@ pub enum ModuleSource {
 
 mod diagnostics {
     use hir_expand::diagnostics::DiagnosticSink;
-    use ra_db::RelativePathBuf;
     use ra_syntax::{ast, AstPtr};
 
     use crate::{db::DefDatabase, diagnostics::UnresolvedModule, nameres::LocalModuleId, AstId};
@@ -306,7 +305,7 @@ mod diagnostics {
         UnresolvedModule {
             module: LocalModuleId,
             declaration: AstId<ast::Module>,
-            candidate: RelativePathBuf,
+            candidate: String,
         },
     }
 
diff --git a/crates/ra_hir_def/src/nameres/mod_resolution.rs b/crates/ra_hir_def/src/nameres/mod_resolution.rs
index cede4a6fc..19fe0615a 100644
--- a/crates/ra_hir_def/src/nameres/mod_resolution.rs
+++ b/crates/ra_hir_def/src/nameres/mod_resolution.rs
@@ -44,7 +44,7 @@ impl ModDir {
         file_id: HirFileId,
         name: &Name,
         attr_path: Option<&SmolStr>,
-    ) -> Result<(FileId, ModDir), RelativePathBuf> {
+    ) -> Result<(FileId, ModDir), String> {
         let file_id = file_id.original_file(db.upcast());
 
         let mut candidate_files = Vec::new();
@@ -52,11 +52,11 @@ impl ModDir {
             Some(attr_path) => {
                 let base =
                     if self.root_non_dir_owner { self.path.parent().unwrap() } else { &self.path };
-                candidate_files.push(base.join(attr_path))
+                candidate_files.push(base.join(attr_path).to_string())
             }
             None => {
-                candidate_files.push(self.path.join(&format!("{}.rs", name)));
-                candidate_files.push(self.path.join(&format!("{}/mod.rs", name)));
+                candidate_files.push(self.path.join(&format!("{}.rs", name)).to_string());
+                candidate_files.push(self.path.join(&format!("{}/mod.rs", name)).to_string());
             }
         };
 
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