From d25c89f7608cb15e8c5ae08a92b6a7a6d6f308b8 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 2 Jan 2019 16:53:40 +0300
Subject: introduce navigation target

---
 crates/ra_analysis/src/imp.rs |  8 ++++----
 crates/ra_analysis/src/lib.rs | 23 +++++++++++++++++++----
 2 files changed, 23 insertions(+), 8 deletions(-)

(limited to 'crates/ra_analysis')

diff --git a/crates/ra_analysis/src/imp.rs b/crates/ra_analysis/src/imp.rs
index f3b513de1..836fb89f5 100644
--- a/crates/ra_analysis/src/imp.rs
+++ b/crates/ra_analysis/src/imp.rs
@@ -21,7 +21,7 @@ use ra_syntax::{
 
 use crate::{
     AnalysisChange,
-    Cancelable,
+    Cancelable, NavigationTarget,
     completion::{CompletionItem, completions},
     CrateId, db, Diagnostic, FileId, FilePosition, FileRange, FileSystemEdit,
     Query, ReferenceResolution, RootChange, SourceChange, SourceFileEdit,
@@ -355,9 +355,9 @@ impl AnalysisImpl {
             Ok(Some((binding, descr)))
         }
     }
-    pub fn doc_text_for(&self, file_id: FileId, symbol: FileSymbol) -> Cancelable<Option<String>> {
-        let file = self.db.source_file(file_id);
-        let result = match (symbol.description(&file), symbol.docs(&file)) {
+    pub fn doc_text_for(&self, nav: NavigationTarget) -> Cancelable<Option<String>> {
+        let file = self.db.source_file(nav.file_id);
+        let result = match (nav.symbol.description(&file), nav.symbol.docs(&file)) {
             (Some(desc), Some(docs)) => {
                 Some("```rust\n".to_string() + &*desc + "\n```\n\n" + &*docs)
             }
diff --git a/crates/ra_analysis/src/lib.rs b/crates/ra_analysis/src/lib.rs
index ff28271ab..4d8bdb61b 100644
--- a/crates/ra_analysis/src/lib.rs
+++ b/crates/ra_analysis/src/lib.rs
@@ -244,6 +244,21 @@ impl Query {
     }
 }
 
+#[derive(Debug)]
+pub struct NavigationTarget {
+    file_id: FileId,
+    symbol: FileSymbol,
+}
+
+impl NavigationTarget {
+    pub fn file_id(&self) -> FileId {
+        self.file_id
+    }
+    pub fn range(&self) -> TextRange {
+        self.symbol.node_range
+    }
+}
+
 /// Result of "goto def" query.
 #[derive(Debug)]
 pub struct ReferenceResolution {
@@ -252,7 +267,7 @@ pub struct ReferenceResolution {
     /// client where the reference was.
     pub reference_range: TextRange,
     /// What this reference resolves to.
-    pub resolves_to: Vec<(FileId, FileSymbol)>,
+    pub resolves_to: Vec<NavigationTarget>,
 }
 
 impl ReferenceResolution {
@@ -264,7 +279,7 @@ impl ReferenceResolution {
     }
 
     fn add_resolution(&mut self, file_id: FileId, symbol: FileSymbol) {
-        self.resolves_to.push((file_id, symbol))
+        self.resolves_to.push(NavigationTarget { file_id, symbol })
     }
 }
 
@@ -334,8 +349,8 @@ impl Analysis {
     pub fn find_all_refs(&self, position: FilePosition) -> Cancelable<Vec<(FileId, TextRange)>> {
         self.imp.find_all_refs(position)
     }
-    pub fn doc_text_for(&self, file_id: FileId, symbol: FileSymbol) -> Cancelable<Option<String>> {
-        self.imp.doc_text_for(file_id, symbol)
+    pub fn doc_text_for(&self, nav: NavigationTarget) -> Cancelable<Option<String>> {
+        self.imp.doc_text_for(nav)
     }
     pub fn parent_module(&self, position: FilePosition) -> Cancelable<Vec<(FileId, FileSymbol)>> {
         self.imp.parent_module(position)
-- 
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