go语言中的函数嵌套 go嵌入lua

GOLANG中使用LUA进行扩展

嵌入lua后方便做功能扩展

package main

import (
	"fmt"
	"github.com/yuin/gopher-lua"
)

func Double(L *lua.LState) int {
	lv := L.ToInt(1)            /* get argument */
	L.Push(lua.LNumber(lv * 2)) /* push result */
	return 1                    /* number of results */
}

func SayHello(L *lua.LState) int {
	name := L.ToString(1)
	fmt.Println("hello ", name)
	return 0
}

func main() {
	L := lua.NewState()
	defer L.Close()

	L.SetGlobal("double", L.NewFunction(Double))
	L.SetGlobal("sayHello", L.NewFunction(SayHello))

	L.DoString(`print(double(4))`)         // 8
	L.DoString(`sayHello("wangjunsheng")`) // hello wangjunsheng

	//	L.DoFile("hello.lua") // from lua file
}

 

以下 emacs 中 lua-mode 写给自己看的

合适的位置  git clone https://github.com/immerrr/lua-mode.git

(add-to-list 'load-path "~/emacs/lua-mode")

(autoload 'lua-mode "lua-mode" "Lua editing mode." t)
(add-to-list 'auto-mode-alist '("\\.lua$" . lua-mode))
(add-to-list 'interpreter-mode-alist '("lua" . lua-mode))