From 18aac1df45ca39d01d80a56e3afab7299de160f8 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 19 Dec 2018 12:26:51 +0300
Subject: [PATCH] kill file resolver

---
 crates/ra_db/src/file_resolver.rs | 76 -------------------------------
 crates/ra_db/src/lib.rs           |  2 -
 crates/ra_db/src/mock.rs          | 17 +------
 3 files changed, 1 insertion(+), 94 deletions(-)
 delete mode 100644 crates/ra_db/src/file_resolver.rs

diff --git a/crates/ra_db/src/file_resolver.rs b/crates/ra_db/src/file_resolver.rs
deleted file mode 100644
index f849ac7521..0000000000
--- a/crates/ra_db/src/file_resolver.rs
+++ /dev/null
@@ -1,76 +0,0 @@
-use std::{
-    sync::Arc,
-    hash::{Hash, Hasher},
-    fmt,
-};
-
-use relative_path::RelativePath;
-
-use crate::input::FileId;
-
-pub trait FileResolver: fmt::Debug + Send + Sync + 'static {
-    fn file_stem(&self, file_id: FileId) -> String;
-    fn resolve(&self, file_id: FileId, path: &RelativePath) -> Option<FileId>;
-    fn debug_path(&self, _1file_id: FileId) -> Option<std::path::PathBuf> {
-        None
-    }
-}
-
-#[derive(Clone, Debug)]
-pub struct FileResolverImp {
-    inner: Arc<FileResolver>,
-}
-
-impl PartialEq for FileResolverImp {
-    fn eq(&self, other: &FileResolverImp) -> bool {
-        self.inner() == other.inner()
-    }
-}
-
-impl Eq for FileResolverImp {}
-
-impl Hash for FileResolverImp {
-    fn hash<H: Hasher>(&self, hasher: &mut H) {
-        self.inner().hash(hasher);
-    }
-}
-
-impl FileResolverImp {
-    pub fn new(inner: Arc<FileResolver>) -> FileResolverImp {
-        FileResolverImp { inner }
-    }
-    pub fn file_stem(&self, file_id: FileId) -> String {
-        self.inner.file_stem(file_id)
-    }
-    pub fn resolve(&self, file_id: FileId, path: &RelativePath) -> Option<FileId> {
-        self.inner.resolve(file_id, path)
-    }
-    pub fn debug_path(&self, file_id: FileId) -> Option<std::path::PathBuf> {
-        self.inner.debug_path(file_id)
-    }
-    fn inner(&self) -> *const FileResolver {
-        &*self.inner
-    }
-}
-
-impl Default for FileResolverImp {
-    fn default() -> FileResolverImp {
-        #[derive(Debug)]
-        struct DummyResolver;
-        impl FileResolver for DummyResolver {
-            fn file_stem(&self, _file_: FileId) -> String {
-                panic!("file resolver not set")
-            }
-            fn resolve(
-                &self,
-                _file_id: FileId,
-                _path: &::relative_path::RelativePath,
-            ) -> Option<FileId> {
-                panic!("file resolver not set")
-            }
-        }
-        FileResolverImp {
-            inner: Arc::new(DummyResolver),
-        }
-    }
-}
diff --git a/crates/ra_db/src/lib.rs b/crates/ra_db/src/lib.rs
index d1db281e65..eeb305b1b3 100644
--- a/crates/ra_db/src/lib.rs
+++ b/crates/ra_db/src/lib.rs
@@ -1,6 +1,5 @@
 //! ra_db defines basic database traits. Concrete DB is defined by ra_analysis.
 mod syntax_ptr;
-mod file_resolver;
 mod input;
 mod loc2id;
 pub mod mock;
@@ -24,7 +23,6 @@ impl std::error::Error for Canceled {}
 
 pub use crate::{
     syntax_ptr::LocalSyntaxPtr,
-    file_resolver::{FileResolver, FileResolverImp},
     input::{
         FilesDatabase, FileId, CrateId, SourceRoot, SourceRootId, CrateGraph, WORKSPACE,
         FileTextQuery, FileSourceRootQuery, SourceRootQuery, LibrariesQuery, CrateGraphQuery,
diff --git a/crates/ra_db/src/mock.rs b/crates/ra_db/src/mock.rs
index efe987bdd2..5e185062b4 100644
--- a/crates/ra_db/src/mock.rs
+++ b/crates/ra_db/src/mock.rs
@@ -1,7 +1,7 @@
 use rustc_hash::FxHashSet;
 use relative_path::{RelativePath, RelativePathBuf};
 
-use crate::{FileId, FileResolver};
+use crate::{FileId};
 
 #[derive(Default, Debug, Clone)]
 pub struct FileMap(Vec<(FileId, RelativePathBuf)>);
@@ -27,19 +27,4 @@ impl FileMap {
             .iter()
             .map(|(id, path)| (*id, path.as_relative_path()))
     }
-
-    fn path(&self, id: FileId) -> &RelativePath {
-        self.iter().find(|&(it, _)| it == id).unwrap().1
-    }
-}
-
-impl FileResolver for FileMap {
-    fn file_stem(&self, id: FileId) -> String {
-        self.path(id).file_stem().unwrap().to_string()
-    }
-    fn resolve(&self, id: FileId, rel: &RelativePath) -> Option<FileId> {
-        let path = self.path(id).join(rel).normalize();
-        let id = self.iter().find(|&(_, p)| path == p)?.0;
-        Some(id)
-    }
 }