From 74c3bbacc9b352057f2fc7ab69bd13e53022beb0 Mon Sep 17 00:00:00 2001
From: Kirill Bulatov <mail4score@gmail.com>
Date: Thu, 3 Dec 2020 15:58:18 +0200
Subject: Make completion resolve async

---
 crates/ide_db/src/helpers/insert_use.rs | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

(limited to 'crates/ide_db')

diff --git a/crates/ide_db/src/helpers/insert_use.rs b/crates/ide_db/src/helpers/insert_use.rs
index 040843990..0dae9a541 100644
--- a/crates/ide_db/src/helpers/insert_use.rs
+++ b/crates/ide_db/src/helpers/insert_use.rs
@@ -11,7 +11,7 @@ use syntax::{
         edit::{AstNodeEdit, IndentLevel},
         make, AstNode, PathSegmentKind, VisibilityOwner,
     },
-    AstToken, InsertPosition, NodeOrToken, SyntaxElement, SyntaxNode, SyntaxToken,
+    AstToken, InsertPosition, NodeOrToken, SyntaxElement, SyntaxNode, SyntaxNodePtr, SyntaxToken,
 };
 use test_utils::mark;
 
@@ -21,6 +21,36 @@ pub enum ImportScope {
     Module(ast::ItemList),
 }
 
+impl ImportScope {
+    pub fn get_ptr(&self) -> ImportScopePtr {
+        match self {
+            ImportScope::File(file) => ImportScopePtr::File(SyntaxNodePtr::new(file.syntax())),
+            ImportScope::Module(module) => {
+                ImportScopePtr::Module(SyntaxNodePtr::new(module.syntax()))
+            }
+        }
+    }
+}
+
+#[derive(Debug, Clone)]
+pub enum ImportScopePtr {
+    File(SyntaxNodePtr),
+    Module(SyntaxNodePtr),
+}
+
+impl ImportScopePtr {
+    pub fn into_scope(self, root: &SyntaxNode) -> Option<ImportScope> {
+        Some(match self {
+            ImportScopePtr::File(file_ptr) => {
+                ImportScope::File(ast::SourceFile::cast(file_ptr.to_node(root))?)
+            }
+            ImportScopePtr::Module(module_ptr) => {
+                ImportScope::File(ast::SourceFile::cast(module_ptr.to_node(root))?)
+            }
+        })
+    }
+}
+
 impl ImportScope {
     pub fn from(syntax: SyntaxNode) -> Option<Self> {
         if let Some(module) = ast::Module::cast(syntax.clone()) {
-- 
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