filewatch before scanning workspace

fix #1640

Author: sumneko

changelog.md

@@ -44,6 +44,7 @@ server will generate `doc.json` and `doc.md` in `LOGPATH`.
 * `FIX` [#1606]
 * `FIX` [#1608]
 * `FIX` [#1637]
+* `FIX` [#1640]
 * `FIX` [#1642]
 
 [#1177]: https://github.com/sumneko/lua-language-server/issues/1177
@@ -60,6 +61,7 @@ server will generate `doc.json` and `doc.md` in `LOGPATH`.
 [#1608]: https://github.com/sumneko/lua-language-server/issues/1608
 [#1626]: https://github.com/sumneko/lua-language-server/issues/1626
 [#1637]: https://github.com/sumneko/lua-language-server/issues/1637
+[#1640]: https://github.com/sumneko/lua-language-server/issues/1640
 [#1641]: https://github.com/sumneko/lua-language-server/issues/1641
 [#1642]: https://github.com/sumneko/lua-language-server/issues/1642
 

script/files.lua

@@ -420,7 +420,7 @@ function m.addRef(uri)
         return nil
     end
     file._ref = (file._ref or 0) + 1
-    log.debug('add ref', uri)
+    log.debug('add ref', uri, file._ref)
     return function ()
         m.delRef(uri)
     end
@@ -432,7 +432,7 @@ function m.delRef(uri)
         return
     end
     file._ref = (file._ref or 0) - 1
-    log.debug('del ref', uri)
+    log.debug('del ref', uri, file._ref)
     if file._ref <= 0 and not m.isOpen(uri) then
         m.remove(uri)
     end

script/workspace/workspace.lua

@@ -308,6 +308,7 @@ function m.awaitPreload(scp)
 
     if scp.uri and not scp:get('bad root') then
         log.info('Scan files at:', scp:getName())
+        scp:gc(fw.watch(m.normalize(furi.decode(scp.uri))))
         local count = 0
         ---@async
         native:scan(furi.decode(scp.uri), function (path)
@@ -320,12 +321,12 @@ function m.awaitPreload(scp)
                 client.showMessage('Warning', lang.script('WORKSPACE_SCAN_TOO_MUCH', count, furi.decode(scp.uri)))
             end
         end)
-        scp:gc(fw.watch(m.normalize(furi.decode(scp.uri))))
     end
 
     for _, libMatcher in ipairs(librarys) do
         log.info('Scan library at:', libMatcher.uri)
         local count = 0
+        scp:gc(fw.watch(furi.decode(libMatcher.uri)))
         scp:addLink(libMatcher.uri)
         ---@async
         libMatcher.matcher:scan(furi.decode(libMatcher.uri), function (path)
@@ -338,7 +339,6 @@ function m.awaitPreload(scp)
                 client.showMessage('Warning', lang.script('WORKSPACE_SCAN_TOO_MUCH', count, furi.decode(libMatcher.uri)))
             end
         end)
-        scp:gc(fw.watch(furi.decode(libMatcher.uri)))
     end
 
     -- must wait for other scopes to add library