From 831e0a682517a66685f57724240c1f703ba1ec7e Mon Sep 17 00:00:00 2001
From: Kaoru HAYAMA <iyahaya@nifty.com>
Date: Wed, 4 Jul 2018 02:44:47 +0900
Subject: [PATCH] Support bit32.* all by github.com/BixData/gluabit32 for #319

---
 mains/bit32lua.go | 14 --------------
 mains/lua.go      | 11 ++++++++++-
 2 files changed, 10 insertions(+), 15 deletions(-)
 delete mode 100644 mains/bit32lua.go

diff --git a/mains/bit32lua.go b/mains/bit32lua.go
deleted file mode 100644
index 52f1f3b0..00000000
--- a/mains/bit32lua.go
+++ /dev/null
@@ -1,14 +0,0 @@
-package mains
-
-import (
-	"github.com/yuin/gopher-lua"
-	"github.com/zetamatta/nyagos/functions"
-)
-
-func setupBit32Table(L *lua.LState) {
-	table := L.NewTable()
-	L.SetField(table, "band", L.NewFunction(lua2cmd(functions.CmdBitAnd)))
-	L.SetField(table, "bor", L.NewFunction(lua2cmd(functions.CmdBitOr)))
-	L.SetField(table, "bxor", L.NewFunction(lua2cmd(functions.CmdBitXor)))
-	L.SetGlobal("bit32", table)
-}
diff --git a/mains/lua.go b/mains/lua.go
index 3d636583..49586b5f 100644
--- a/mains/lua.go
+++ b/mains/lua.go
@@ -9,6 +9,7 @@ import (
 	"runtime"
 	"time"
 
+	"github.com/BixData/gluabit32"
 	"github.com/yuin/gopher-lua"
 
 	"github.com/zetamatta/nyagos/completion"
@@ -159,7 +160,15 @@ func NewLua() (Lua, error) {
 	L.SetGlobal("share", shareTable)
 
 	setupUtf8Table(L)
-	setupBit32Table(L)
+	gluabit32.Preload(L)
+	L.Push(L.GetGlobal("require"))
+	L.Push(lua.LString("bit32"))
+	if err := L.PCall(1, 1, nil); err == nil {
+		L.SetGlobal("bit32", L.Get(-1))
+		L.Pop(1)
+	} else {
+		fmt.Fprintf(os.Stderr, "bit32: %s\n", err.Error())
+	}
 
 	L.SetGlobal("print", L.NewFunction(lua2param(functions.CmdPrint)))