lua.md

nosql

• http://tarantool.org/

匿名函数

(function()
    print(1)
    if true then
    	return
    end
    print(2)
end)()


function f()
	a = 1
	function f1()
		print(a)
	end
	f1()
end

f()

源码结构

-- require 其他的模块
-- local ngx_lua 相关的 api
-- local lua 相关的函数(再把 lua 相关的独立出来)

local utils = require "modules.utils"
local metadata = require "modules.metadata"
local cjson = require "cjson.safe"

local get_method = ngx.req.get_method
local get_uri_args = ngx.req.get_uri_args

local null = utils.null

local str_gsub = string.gsub

redis

• https://gist.github.com/Akagi201/6cce2bd39ab7a0cdce4a

三元运算符

• <if-statement> and <true_result> or <false_result>

定位使用全局变量的地方

• lua-releng: http://wiki.nginx.org/HttpLuaModule#Lua_Variable_Scope

多版本管理

• https://github.com/mah0x211/lenv
• https://github.com/cehoffman/luaenv

web server

• http://gin.io/
• lapis
• vanilla

code style

• https://github.com/Olivine-Labs/lua-style-guide

lua package manager

• LuaDist
• LuaRocks

luajit第三方包汇总

• https://luapower.com/

json

• https://github.com/mpx/lua-cjson/

APIs

• lua_xxx 主要是 lua 基本 API
• luaL 是封装过的基本 API

tutorial

• http://dhq.me/by_keyword/397/lua?page=3#content-pager
• http://coolshell.cn/articles/10739.html
• http://lua-users.org/wiki/TutorialDirectory

sublime text config

1. build: Tools -> Build System -> New build System, 主要lua要用绝对路径否则找不到.

{
  "cmd": ["/usr/local/bin/lua", "$file"],
  "file_regex": "^(...*?):([0-9]*):?([0-9]*)",
  "selector": "source.lua"
}

只能用于build, 不能传参数, 相当于lua [filename.lua].

install

• brew install lua luajit metalua luarocks
• luarocks install luasocket

tool

• https://lua-toolbox.com
• lua luac luajit metalua luarocks

IDE

• eclipse: ldt
• sublime text
• idea: plugin https://bitbucket.org/sylvanaar2/lua-for-idea/wiki/Home
• ZeroBrane: http://www.jianshu.com/p/271db393cf58

lib

• luasocket
• lua-log: https://github.com/moteus/lua-log
• luvit: Lua + libUV + jIT = pure awesomesauce http://luvit.io/
• http://stackoverflow.com/questions/8531446/good-logging-library-for-lua
• http://www.inf.puc-rio.br/~roberto/lpeg/

lua as config file

• http://windrealm.org/tutorials/reading-a-lua-configuration-file-from-c.php

Refs

• http://dhq.me/luarocks-a-deployment-and-management-system-for-lua-modules
• http://finalanubis.com/2011/07/sublime-text-2-lua-developing/