[syslinux:master] lua: simplify the function/ value handling in the automenu test
syslinux-bot for Ferenc Wágner
wferi at niif.hu
Sat Feb 14 11:09:32 PST 2015
Commit-ID: 68cb978ab7e692d772e4d62d3585b8f7bac43b4b
Gitweb: http://www.syslinux.org/commit/68cb978ab7e692d772e4d62d3585b8f7bac43b4b
Author: Ferenc Wágner <wferi at niif.hu>
AuthorDate: Mon, 13 Oct 2014 12:42:16 +0200
Committer: Ferenc Wágner <wferi at niif.hu>
CommitDate: Mon, 13 Oct 2014 12:44:15 +0200
lua: simplify the function/value handling in the automenu test
Signed-off-by: Ferenc Wágner <wferi at niif.hu>
---
com32/lua/test/automenu.lua | 17 +++++++----------
1 file changed, 7 insertions(+), 10 deletions(-)
diff --git a/com32/lua/test/automenu.lua b/com32/lua/test/automenu.lua
index 891adbc..002fb09 100644
--- a/com32/lua/test/automenu.lua
+++ b/com32/lua/test/automenu.lua
@@ -50,7 +50,7 @@ local function scan (params)
initrd = nil
end
table.insert (params.items, {
- show = function () return name .. (initrd and " +initrd" or "") end,
+ show = name .. (initrd and " +initrd" or ""),
version = version,
execute = function ()
boot (path, initrd,
@@ -94,21 +94,18 @@ local function kernel_gt (k1, k2)
return version_gt (k1.version, k2.version)
end
-local function print_or_call (x, def)
- local t = type (x)
- if t == "nil" then
- if def then print (def) end
- elseif t == "function" then
- x ()
+local function get (x)
+ if type (x) == "function" then
+ return x ()
else
- print (x)
+ return x
end
end
local function draw (params)
- print_or_call (params.title, "\n=== Boot menu ===")
+ print (get (params.title) or "\n=== Boot menu ===")
for i, item in ipairs (params.items) do
- print ((i == params.default and " > " or " ") .. i .. " " .. item.show ())
+ print ((i == params.default and " > " or " ") .. i .. " " .. get (item.show))
end
print ("\nKernel arguments:\n " .. params.append .. modifiers ())
print ("\nHit a number to select from the menu,\n ENTER to accept default,\n ESC to exit\n or any other key to print menu again")
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