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Faster insertion into table

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Rui914 2016-03-07 00:53:45 +09:00 • committed by paramat
parent 75db0543f3
commit 24e8b0ac1e
13 changed files with 48 additions and 45 deletions
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29
builtin/common/misc_helpers.lua
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@ -2,7 +2,6 @@
--------------------------------------------------------------------------------
-- Localize functions to avoid table lookups (better performance).
local table_insert = table.insert
local string_sub, string_find = string.sub, string.find
--------------------------------------------------------------------------------
@ -94,13 +93,13 @@ function dump2(o, name, dumped)
-- the form _G["table: 0xFFFFFFF"]
keyStr = string.format("_G[%q]", tostring(k))
-- Dump key table
table_insert(t, dump2(k, keyStr, dumped))
t[#t + 1] = dump2(k, keyStr, dumped)
end
else
keyStr = basic_dump(k)
end
local vname = string.format("%s[%s]", name, keyStr)
table_insert(t, dump2(v, vname, dumped))
t[#t + 1] = dump2(v, vname, dumped)
end
return string.format("%s = {}\n%s", name, table.concat(t))
end
@ -135,7 +134,7 @@ function dump(o, indent, nested, level)
local t = {}
local dumped_indexes = {}
for i, v in ipairs(o) do
table_insert(t, dump(v, indent, nested, level + 1))
t[#t + 1] = dump(v, indent, nested, level + 1)
dumped_indexes[i] = true
end
for k, v in pairs(o) do
@ -144,7 +143,7 @@ function dump(o, indent, nested, level)
k = "["..dump(k, indent, nested, level + 1).."]"
end
v = dump(v, indent, nested, level + 1)
table_insert(t, k.." = "..v)
t[#t + 1] = k.." = "..v
end
end
nested[o] = nil
@ -177,7 +176,7 @@ function string.split(str, delim, include_empty, max_splits, sep_is_pattern)
local s = string_sub(str, pos, np - 1)
if include_empty or (s ~= "") then
max_splits = max_splits - 1
table_insert(items, s)
items[#items + 1] = s
end
pos = npe + 1
until (max_splits == 0) or (pos > (len + 1))
@ -186,8 +185,8 @@ end
--------------------------------------------------------------------------------
function table.indexof(list, val)
for i = 1, #list do
if list[i] == val then
for i, v in ipairs(list) do
if v == val then
return i
end
end
@ -324,7 +323,7 @@ function core.splittext(text,charlimit)
local last_line = ""
while start ~= nil do
if string.len(last_line) + (stop-start) > charlimit then
table_insert(retval, last_line)
retval[#retval + 1] = last_line
last_line = ""
end
@ -335,7 +334,7 @@ function core.splittext(text,charlimit)
last_line = last_line .. string_sub(text, current_idx, stop - 1)
if gotnewline then
table_insert(retval, last_line)
retval[#retval + 1] = last_line
last_line = ""
gotnewline = false
end
@ -353,11 +352,11 @@ function core.splittext(text,charlimit)
--add last part of text
if string.len(last_line) + (string.len(text) - current_idx) > charlimit then
table_insert(retval, last_line)
table_insert(retval, string_sub(text, current_idx))
retval[#retval + 1] = last_line
retval[#retval + 1] = string_sub(text, current_idx)
else
last_line = last_line .. " " .. string_sub(text, current_idx)
table_insert(retval, last_line)
retval[#retval + 1] = last_line
end
return retval
@ -430,14 +429,14 @@ if INIT == "game" then
if iswall then
core.set_node(pos, {name = wield_name,
param2 = dirs1[fdir+1]})
param2 = dirs1[fdir + 1]})
elseif isceiling then
if orient_flags.force_facedir then
core.set_node(pos, {name = wield_name,
param2 = 20})
else
core.set_node(pos, {name = wield_name,
param2 = dirs2[fdir+1]})
param2 = dirs2[fdir + 1]})
end
else -- place right side up
if orient_flags.force_facedir then