From 06fbd6905014b90aa2efc1f67b92f31845011d76 Mon Sep 17 00:00:00 2001
From: vsrs <vit@conrlab.com>
Date: Wed, 2 Sep 2020 16:03:05 +0300
Subject: Make method references CodeLens lazy.

---
 crates/ide/src/lib.rs | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'crates/ide/src/lib.rs')

diff --git a/crates/ide/src/lib.rs b/crates/ide/src/lib.rs
index 4763c0aac..286a6a110 100644
--- a/crates/ide/src/lib.rs
+++ b/crates/ide/src/lib.rs
@@ -56,7 +56,7 @@ use ide_db::{
     symbol_index::{self, FileSymbol},
     LineIndexDatabase,
 };
-use syntax::{SourceFile, TextRange, TextSize};
+use syntax::{SourceFile, SyntaxKind, TextRange, TextSize};
 
 use crate::display::ToNav;
 
@@ -369,6 +369,21 @@ impl Analysis {
         })
     }
 
+    /// Finds all methods and free functions for the file.
+    pub fn find_all_methods(&self, file_id: FileId) -> Cancelable<Vec<FileRange>> {
+        let res = self
+            .file_structure(file_id)?
+            .into_iter()
+            .filter(|it| match it.kind {
+                SyntaxKind::FN => true,
+                _ => false,
+            })
+            .filter_map(|it| Some(FileRange { file_id, range: it.navigation_range }))
+            .collect();
+
+        Ok(res)
+    }
+
     /// Returns a short text describing element at position.
     pub fn hover(
         &self,
-- 
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