From c374d754005e508a1631b32aa5014ab5b9d49b73 Mon Sep 17 00:00:00 2001
From: Mateusz Czaplinski <mateusz@czaplinski.pl>
Date: Mon, 30 May 2011 21:16:09 +0200
Subject: Reformatted a code block to reduce indentation level by early return.

---
 src/luacov.lua | 31 ++++++++++++++-----------------
 1 file changed, 14 insertions(+), 17 deletions(-)

diff --git a/src/luacov.lua b/src/luacov.lua
index 63a178e..c7ec710 100644
--- a/src/luacov.lua
+++ b/src/luacov.lua
@@ -19,25 +19,22 @@ local function on_line(_, line_nr)
       end
    end
 
+   -- get name of processed file; ignore Lua code loaded from raw strings
    local name = debug.getinfo(2, "S").source
-   if name:match("^@") then
-      name = name:sub(2)
-      local file = data[name]
-      if not file then
-         file = {}
-         file.max = 0
-         data[name] = file
-      end
-      if line_nr > file.max then
-         file.max = line_nr
-      end
-      local current = file[line_nr]
-      if not current then
-         file[line_nr] = 1
-      else
-         file[line_nr] = current + 1
-      end
+   if not name:match("^@") then
+      return
+   end
+   name = name:sub(2)
+
+   local file = data[name]
+   if not file then
+      file = {max=0}
+      data[name] = file
+   end
+   if line_nr > file.max then
+      file.max = line_nr
    end
+   file[line_nr] = (file[line_nr] or 0) + 1
 end
 
 local function on_exit()
-- 
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