From 41bda6cd48338a2df2b7baeeb53a987e4f803fbb Mon Sep 17 00:00:00 2001
From: Dmytro Meleshko <dmytro.meleshko@gmail.com>
Date: Wed, 24 Nov 2021 13:37:48 +0200
Subject: ensure that cachedRows of files are refreshed after didOpen

---
 script/files.lua             |  1 +
 script/provider/provider.lua |  5 ++++-
 script/text-merger.lua       | 15 ++++-----------
 test/basic/textmerger.lua    |  5 +----
 4 files changed, 10 insertions(+), 16 deletions(-)

diff --git a/script/files.lua b/script/files.lua
index 4d649b29..da263dad 100644
--- a/script/files.lua
+++ b/script/files.lua
@@ -150,6 +150,7 @@ function m.setText(uri, text, isTrust, instance)
     file.text       = newText
     file.trusted    = isTrust
     file.originText = text
+    file.rows       = nil
     file.words      = nil
     m.astMap[uri] = nil
     file.cache = {}
diff --git a/script/provider/provider.lua b/script/provider/provider.lua
index 8932c373..5ad07352 100644
--- a/script/provider/provider.lua
+++ b/script/provider/provider.lua
@@ -183,8 +183,11 @@ proto.on('textDocument/didChange', function (params)
     local changes = params.contentChanges
     local uri     = doc.uri
     --log.debug('changes', util.dump(changes))
-    local text = tm(uri, changes)
+    local text = files.getOriginText(uri) or ''
+    local rows = files.getCachedRows(uri)
+    text, rows = tm(text, rows, changes)
     files.setText(uri, text, true)
+    files.setCachedRows(uri, rows)
 end)
 
 proto.on('textDocument/hover', function (params)
diff --git a/script/text-merger.lua b/script/text-merger.lua
index afd3343f..d45a5800 100644
--- a/script/text-merger.lua
+++ b/script/text-merger.lua
@@ -91,25 +91,18 @@ local function mergeRows(rows, change)
     end
 end
 
-return function (uri, changes)
-    local text
+return function (text, rows, changes)
     for _, change in ipairs(changes) do
         if change.range then
-            local rows = files.getCachedRows(uri)
-            if not rows then
-                text = text or files.getOriginText(uri) or ''
-                rows = splitRows(text)
-            end
+            rows = rows or splitRows(text)
             mergeRows(rows, change)
-            files.setCachedRows(uri, rows)
         else
-            files.setCachedRows(uri, nil)
+            rows = nil
             text = change.text
         end
     end
-    local rows = files.getCachedRows(uri)
     if rows then
         text = table.concat(rows)
     end
-    return text
+    return text, rows
 end
diff --git a/test/basic/textmerger.lua b/test/basic/textmerger.lua
index a3a11f62..1ffd36f0 100644
--- a/test/basic/textmerger.lua
+++ b/test/basic/textmerger.lua
@@ -1,12 +1,9 @@
-local files = require 'files'
 local tm    = require 'text-merger'
 
 local function TEST(source)
     return function (expect)
         return function (changes)
-            files.removeAll()
-            files.setText('', source)
-            local text = tm('', changes)
+            local text = tm(source, nil, changes)
             assert(text == expect)
         end
     end
-- 
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