From 23c0e563f3ce3c7596b490a5e7251d6f2634b045 Mon Sep 17 00:00:00 2001
From: Rudi Grinberg <me@rgrinberg.com>
Date: Sat, 5 Nov 2022 15:54:35 -0600
Subject: [PATCH] refactor: add signature_help mli (#913)

Signed-off-by: Rudi Grinberg <me@rgrinberg.com>
---
 ocaml-lsp-server/src/signature_help.mli | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 ocaml-lsp-server/src/signature_help.mli

diff --git a/ocaml-lsp-server/src/signature_help.mli b/ocaml-lsp-server/src/signature_help.mli
new file mode 100644
index 000000000..10014e38c
--- /dev/null
+++ b/ocaml-lsp-server/src/signature_help.mli
@@ -0,0 +1,23 @@
+open Merlin_kernel
+open Ocaml_parsing
+open Ocaml_typing
+
+type parameter_info =
+  { label : Asttypes.arg_label
+  ; param_start : int
+  ; param_end : int
+  ; argument : Typedtree.expression option
+  }
+
+type application_signature =
+  { function_name : string option
+  ; function_position : Msource.position
+  ; signature : string
+  ; parameters : parameter_info list
+  ; active_param : int option
+  }
+
+val application_signature :
+     prefix:string
+  -> ('a * Merlin_specific.Browse_raw.node) list
+  -> application_signature option