From b67295134bf5c518b39bc88abbe1bc5b9d7d3baf Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 31 Oct 2018 10:56:31 +0300
Subject: Move FnDescriptors to analyzer

---
 crates/ra_analysis/src/descriptors/function/imp.rs | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 crates/ra_analysis/src/descriptors/function/imp.rs

(limited to 'crates/ra_analysis/src/descriptors/function/imp.rs')

diff --git a/crates/ra_analysis/src/descriptors/function/imp.rs b/crates/ra_analysis/src/descriptors/function/imp.rs
new file mode 100644
index 000000000..0a006f733
--- /dev/null
+++ b/crates/ra_analysis/src/descriptors/function/imp.rs
@@ -0,0 +1,26 @@
+use std::sync::Arc;
+
+use ra_syntax::{
+    ast::{AstNode, FnDef, FnDefNode},
+};
+
+use crate::{
+    descriptors::{
+        DescriptorDatabase,
+        function::{FnId, FnScopes},
+    },
+};
+
+/// Resolve `FnId` to the corresponding `SyntaxNode`
+/// TODO: this should return something more type-safe then `SyntaxNode`
+pub(crate) fn fn_syntax(db: &impl DescriptorDatabase, fn_id: FnId) -> FnDefNode {
+    let syntax = db.resolve_syntax_ptr(fn_id.0);
+    let fn_def = FnDef::cast(syntax.borrowed()).unwrap();
+    FnDefNode::new(fn_def)
+}
+
+pub(crate) fn fn_scopes(db: &impl DescriptorDatabase, fn_id: FnId) -> Arc<FnScopes> {
+    let syntax = db.fn_syntax(fn_id);
+    let res = FnScopes::new(syntax.ast());
+    Arc::new(res)
+}
-- 
cgit v1.2.3