From f8a2b533045757c42c206b2596448baf4737f1f0 Mon Sep 17 00:00:00 2001
From: "Jeremy A. Kolb" <jkolb@ara.com>
Date: Tue, 9 Oct 2018 10:08:17 -0400
Subject: Language Server: textDocument/signatureHelp

Implements a pretty barebones function signature help mechanism in
the language server.

Users can use `Analysis::resolve_callback()` to get basic information
about a call site.

Fixes #102
---
 crates/ra_analysis/src/lib.rs | 6 ++++++
 1 file changed, 6 insertions(+)

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

diff --git a/crates/ra_analysis/src/lib.rs b/crates/ra_analysis/src/lib.rs
index 849fd93e4..1aca72ae0 100644
--- a/crates/ra_analysis/src/lib.rs
+++ b/crates/ra_analysis/src/lib.rs
@@ -38,6 +38,7 @@ pub use ra_editor::{
     Fold, FoldKind
 };
 pub use job::{JobToken, JobHandle};
+pub use descriptors::FnDescriptor;
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub struct FileId(pub u32);
@@ -236,6 +237,11 @@ impl Analysis {
         let file = self.imp.file_syntax(file_id);
         ra_editor::folding_ranges(&file)
     }
+
+    pub fn resolve_callable(&self, file_id: FileId, offset: TextUnit, token: &JobToken)
+        -> Option<(FnDescriptor, Option<usize>)> {
+        self.imp.resolve_callable(file_id, offset, token)
+    }
 }
 
 #[derive(Debug)]
-- 
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