Add hooks for every action that's bindable

cmd/micro/plugin.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"github.com/yuin/gopher-lua"
 	"io/ioutil"
 )
 
@@ -10,6 +11,22 @@ var preInstalledPlugins = []string{
 	"go",
 }
 
+// Call calls the lua function 'function'
+// If it does not exist nothing happens, if there is an error,
+// the error is returned
+func Call(function string) error {
+	luaFunc := L.GetGlobal(function)
+	if luaFunc.String() == "nil" {
+		return nil
+	}
+	err := L.CallByParam(lua.P{
+		Fn:      luaFunc,
+		NRet:    0,
+		Protect: true,
+	})
+	return err
+}
+
 // LoadPlugins loads the pre-installed plugins and the plugins located in ~/.config/micro/plugins
 func LoadPlugins() {
 	files, _ := ioutil.ReadDir(configDir + "/plugins")