From d24e83a1a70922aa12875774ea0d33e2e1b3aa46 Mon Sep 17 00:00:00 2001
From: Lazar Bulovan <lazar.bulovan@l-tech.biz>
Date: Thu, 23 Jul 2026 13:55:07 +0200
Subject: [PATCH] fix: register FBs with only VAR/TEMP as types + add
 SCLRescanWorkspaceTypes command

---
 src/main.lua     | 13 +++++++++++++
 src/plc_json.lua |  2 +-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/main.lua b/src/main.lua
index d894d5d..6312d81 100644
--- a/src/main.lua
+++ b/src/main.lua
@@ -71,6 +71,9 @@ local capabilities = {
 	workspaceSymbolProvider = true,
 	documentFormattingProvider = true,
 	documentRangeFormattingProvider = false,
+	executeCommandProvider = {
+		commands = { "SCLRescanWorkspaceTypes" },
+	},
 }
 
 local function uri_to_path(uri)
@@ -1812,6 +1815,16 @@ function handlers.textDocument_formatting(params)
 	return formatter.format_document(doc.content, format_options)
 end
 
+function handlers.workspace_executeCommand(params)
+	if params.command ~= "SCLRescanWorkspaceTypes" then
+		return nil
+	end
+
+	plc_json.clear_cache()
+
+	return {}
+end
+
 local function handle_message(message)
 	if message.method == "$/cancelRequest" then
 		return nil
diff --git a/src/plc_json.lua b/src/plc_json.lua
index 0e0ece9..27122cf 100644
--- a/src/plc_json.lua
+++ b/src/plc_json.lua
@@ -127,7 +127,7 @@ local function parse_scl_type_file(content)
       fb_inouts = {}
       current_fb_section = nil
     elseif in_fb and trimmed:match("^END_FUNCTION_BLOCK") then
-      if fb_name and (#fb_inputs > 0 or #fb_outputs > 0 or #fb_inouts > 0) then
+      if fb_name then
         types[fb_name] = {
           name = fb_name,
           kind = "function_block",