From 55e87e0b742b46d40b1a5ef1598804e48e45f0e0 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Fri, 17 Aug 2018 00:18:14 +0300
Subject: mod resolve work

---
 crates/libanalysis/src/lib.rs | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

(limited to 'crates/libanalysis/src')

diff --git a/crates/libanalysis/src/lib.rs b/crates/libanalysis/src/lib.rs
index 85c23e4d9..9429f8f55 100644
--- a/crates/libanalysis/src/lib.rs
+++ b/crates/libanalysis/src/lib.rs
@@ -15,6 +15,8 @@ use once_cell::sync::OnceCell;
 use rayon::prelude::*;
 
 use std::{
+    fmt,
+    path::Path,
     sync::{
         Arc,
         atomic::{AtomicUsize, Ordering::SeqCst},
@@ -35,15 +37,24 @@ pub use self::symbol_index::Query;
 pub type Result<T> = ::std::result::Result<T, ::failure::Error>;
 const INDEXING_THRESHOLD: usize = 128;
 
+pub type FileResolver = dyn Fn(FileId, &Path) -> Option<FileId> + Send + Sync;
+
 pub struct WorldState {
     data: Arc<WorldData>
 }
 
-#[derive(Clone, Debug)]
+#[derive(Clone)]
 pub struct World {
+    file_resolver: Arc<FileResolver>,
     data: Arc<WorldData>,
 }
 
+impl fmt::Debug for World {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        (&*self.data).fmt(f)
+    }
+}
+
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub struct FileId(pub u32);
 
@@ -54,8 +65,11 @@ impl WorldState {
         }
     }
 
-    pub fn snapshot(&self) -> World {
-        World { data: self.data.clone() }
+    pub fn snapshot(&self, file_resolver: impl Fn(FileId, &Path) -> Option<FileId> + 'static + Send + Sync) -> World {
+        World {
+            file_resolver: Arc::new(file_resolver),
+            data: self.data.clone()
+        }
     }
 
     pub fn change_file(&mut self, file_id: FileId, text: Option<String>) {
@@ -134,6 +148,10 @@ impl World {
         Ok(self.world_symbols(query).collect())
     }
 
+    fn resolve_relative_path(&self, id: FileId, path: &Path) -> Option<FileId> {
+        (self.file_resolver)(id, path)
+    }
+
     fn reindex(&self) {
         let data = &*self.data;
         let unindexed = data.unindexed.load(SeqCst);
-- 
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