add special case for the gopls empty file range

1 files changed, 7 insertions, 3 deletions

diff --git a/util.lua b/util.lua
index e36c23f..3d10e95 100644
--- a/util.lua
+++ b/util.lua
@@ -243,12 +243,16 @@ function util.vis_sorted_selections_to_pos(file, sorted_selections)
     pos = pos + #line + 1
   end
 
-  -- Some language servers (pylsp) sends a range including the first character after the last line.
+  -- Some language servers (pylsp) send ranges including the first character after the last line.
   -- e.g. [{"line":1, "col":1}, {"line":#lines+1, "col":1}]
   -- But this selection can not be handled by iterating all lines.
-  -- Add a special case for the selection of the first char after the last line.
-  if sel.line == line_count + 1 and sel.col == 1 then
+  -- Special case ranges ensing after the last line.
+  -- Additionaly the start and end can overlap.
+  -- Gopls sends the range [{"line":1, "col":1}, {"line":1, "col":1}] when editing an empty file.
+  while sel and sel.line == line_count + 1 and sel.col == 1 do
     table.insert(positions, pos)
+    sel_i = sel_i + 1
+    sel = sorted_selections[sel_i]
   end
   return positions
 end