Merge pull request #99 from uga-rosa/fix/98

Ignore range only cmdline

lua/cmp_cmdline/init.lua

@@ -41,6 +41,12 @@ local COUNT_RANGE_REGEX = create_regex({
   [=[\s*\%(\d\+\|\$\)\s*]=],
 }, true)
 
+local ONLY_RANGE_REGEX = create_regex({
+  [=[^\s*\%(\d\+\|\$\)\%[,\%(\d\+\|\$\)]\s*$]=],
+  [=[^\s*'\%[<,'>]\s*$]=],
+  [=[^\s*\%(\d\+\|\$\)\s*$]=],
+}, true)
+
 local OPTION_NAME_COMPLETION_REGEX = create_regex({
   [=[se\%[tlocal][^=]*$]=],
 }, true)
@@ -72,6 +78,11 @@ local definitions = {
     kind = cmp.lsp.CompletionItemKind.Variable,
     isIncomplete = true,
     exec = function(option, arglead, cmdline, force)
+      -- Ignore range only cmdline. (e.g.: 4, '<,'>)
+      if not force and ONLY_RANGE_REGEX:match_str(cmdline) then
+        return {}
+      end
+
       local _, parsed = pcall(function()
         local target = cmdline
         local s, e = COUNT_RANGE_REGEX:match_str(target)
@@ -110,11 +121,6 @@ local definitions = {
         fixed_input = string.sub(arglead, 1, suffix_pos or #arglead)
       end
 
-      -- Ignore prefix only cmdline. (e.g.: 4, '<,'>)
-      if not force and cmdline == '' then
-        return {}
-      end
-
       -- The `vim.fn.getcompletion` does not return `*no*cursorline` option.
       -- cmp-cmdline corrects `no` prefix for option name.
       local is_option_name_completion = OPTION_NAME_COMPLETION_REGEX:match_str(cmdline) ~= nil