From 9b4756a584c8dabd6db3fc41b8a892692074f9a2 Mon Sep 17 00:00:00 2001
From: mitchell <70453897+667e-11@users.noreply.github.com>
Date: Wed, 29 Oct 2014 09:23:58 -0400
Subject: Fixed bug in ANSI C autocompletion; modules/ansi_c/init.lua

---
 modules/ansi_c/init.lua | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

(limited to 'modules/ansi_c')

diff --git a/modules/ansi_c/init.lua b/modules/ansi_c/init.lua
index d96aa0e7..f9661ee7 100644
--- a/modules/ansi_c/init.lua
+++ b/modules/ansi_c/init.lua
@@ -38,11 +38,13 @@ textadept.editing.autocompleters.ansi_c = function()
   if symbol == '' and part == '' and op ~= '' then return nil end -- lone ., ->
   if op ~= '' and op ~= '.' and op ~= '->' then return nil end
   -- Attempt to identify the symbol type.
-  local buffer = buffer
-  local declaration = '([%w_]+)[%s%*&]+'..symbol:gsub('(%p)', '%%%1')..'[^%w_]'
-  for i = buffer:line_from_position(buffer.current_pos) - 1, 0, -1 do
-    local class = buffer:get_line(i):match(declaration)
-    if class then symbol = class break end
+  if symbol ~= '' then
+    local buffer = buffer
+    local declaration = '([%w_]+)[%s%*&]+'..symbol:gsub('(%p)', '%%%1')..'[^%w_]'
+    for i = buffer:line_from_position(buffer.current_pos) - 1, 0, -1 do
+      local class = buffer:get_line(i):match(declaration)
+      if class then symbol = class break end
+    end
   end
   -- Search through ctags for completions for that symbol.
   local name_patt = '^'..part
-- 
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