feat: implement commander

exec.go

@@ -183,37 +183,27 @@ func execCommand(cmd string) error {
 		}
 
 		// If command is defined in Lua then run it
-		/*
-		luacmdArgs := l.NewTable()
-		for _, str := range args[1:] {
-			luacmdArgs.Append(lua.LString(str))
+		luacmdArgs := rt.NewTable()
+		for i, str := range args[1:] {
+			luacmdArgs.Set(rt.IntValue(int64(i + 1)), rt.StringValue(str))
 		}
 
 		if commands[args[0]] != nil {
-			err := l.CallByParam(lua.P{
-				Fn: commands[args[0]],
-				NRet:    1,
-				Protect: true,
-			}, luacmdArgs)
-
+			luaexitcode, err := rt.Call1(l.MainThread(), rt.FunctionValue(commands[args[0]]), rt.TableValue(luacmdArgs))
 			if err != nil {
 				fmt.Fprintln(os.Stderr,
 					"Error in command:\n\n" + err.Error())
 				return interp.NewExitStatus(1)
 			}
 
-			luaexitcode := l.Get(-1)
 			var exitcode uint8
 
-			l.Pop(1)
-
-			if code, ok := luaexitcode.(lua.LNumber); luaexitcode != lua.LNil && ok {
+			if code, ok := luaexitcode.TryInt(); ok {
 				exitcode = uint8(code)
-			}
+			} // TODO: deregister commander if return isnt number
 
 			return interp.NewExitStatus(exitcode)
 		}
-		*/
 
 		err := lookpath(args[0])
 		if err == errNotExec {
@@ -447,6 +437,8 @@ func cmdFinish(code uint8, cmdstr string, private bool) {
 		handleHistory(cmdstr)
 	}
 //	util.SetField(l, hshMod, "exitCode", lua.LNumber(code), "Exit code of last exected command")
-	// using AsValue on an interface which is an int results in it being unknown .... ????
+	// using AsValue (to convert to lua type) on an interface which is an int
+	// results in it being unknown in lua .... ????
+	// so we allow the hook handler to take lua runtime Values
 	hooks.Em.Emit("command.exit", rt.IntValue(int64(code)), cmdstr)
 }

golibs/commander/commander.go

@@ -3,52 +3,68 @@ package commander
 import (
 	"hilbish/util"
 
+	rt "github.com/arnodel/golua/runtime"
+	"github.com/arnodel/golua/lib/packagelib"
 	"github.com/chuckpreslar/emission"
-	"github.com/yuin/gopher-lua"
 )
 
 type Commander struct{
 	Events *emission.Emitter
+	Loader packagelib.Loader
 }
 
 func New() Commander {
-	return Commander{
+	c := Commander{
 		Events: emission.NewEmitter(),
 	}
+	c.Loader = packagelib.Loader{
+		Load: c.LoaderFunc,
+		Name: "commander",
+	}
+
+	return c
 }
 
-func (c *Commander) Loader(L *lua.LState) int {
-	exports := map[string]lua.LGFunction{
-		"register": c.cregister,
-		"deregister": c.cderegister,
+func (c *Commander) LoaderFunc(rtm *rt.Runtime) (rt.Value, func()) {
+	exports := map[string]util.LuaExport{
+		"register": util.LuaExport{c.cregister, 2, false},
+		"deregister": util.LuaExport{c.cderegister, 1, false},
 	}
-	mod := L.SetFuncs(L.NewTable(), exports)
-	util.Document(L, mod, "Commander is Hilbish's custom command library, a way to write commands in Lua.")
-	L.Push(mod)
+	mod := rt.NewTable()
+	util.SetExports(rtm, mod, exports)
+//	util.Document(L, mod, "Commander is Hilbish's custom command library, a way to write commands in Lua.")
 
-	return 1
+	return rt.TableValue(mod), nil
 }
 
 // register(name, cb)
 // Register a command with `name` that runs `cb` when ran
 // --- @param name string
 // --- @param cb function
-func (c *Commander) cregister(L *lua.LState) int {
-	cmdName := L.CheckString(1)
-	cmd := L.CheckFunction(2)
+func (c *Commander) cregister(t *rt.Thread, ct *rt.GoCont) (rt.Cont, error) {
+	cmdName, cmd, err := util.HandleStrCallback(t, ct)
+	if err != nil {
+		return nil, err
+	}
 
 	c.Events.Emit("commandRegister", cmdName, cmd)
 
-	return 0
+	return ct.Next(), err
 }
 
 // deregister(name)
 // Deregisters any command registered with `name`
 // --- @param name string
-func (c *Commander) cderegister(L *lua.LState) int {
-	cmdName := L.CheckString(1)
+func (c *Commander) cderegister(t *rt.Thread, ct *rt.GoCont) (rt.Cont, error) {
+	if err := ct.Check1Arg(); err != nil {
+		return nil, err
+	}
+	cmdName, err := ct.StringArg(0)
+	if err != nil {
+		return nil, err
+	}
 
 	c.Events.Emit("commandDeregister", cmdName)
 
-	return 0
+	return ct.Next(), err
 }

lua.go

@@ -6,8 +6,8 @@ import (
 
 	"hilbish/util"
 	"hilbish/golibs/bait"
-/*
 	"hilbish/golibs/commander"
+/*
 	"hilbish/golibs/fs"
 	"hilbish/golibs/terminal"
 */
@@ -28,17 +28,17 @@ func luaInit() {
 	// Add fs and terminal module module to Lua
 /*	l.PreloadModule("fs", fs.Loader)
 	l.PreloadModule("terminal", terminal.Loader)
+*/
 
 	cmds := commander.New()
 	// When a command from Lua is added, register it for use
-	cmds.Events.On("commandRegister", func(cmdName string, cmd *lua.LFunction) {
+	cmds.Events.On("commandRegister", func(cmdName string, cmd *rt.Closure) {
 		commands[cmdName] = cmd
 	})
 	cmds.Events.On("commandDeregister", func(cmdName string) {
 		delete(commands, cmdName)
 	})
-	l.PreloadModule("commander", cmds.Loader)
-*/
+	lib.LoadLibs(l, cmds.Loader)
 
 	hooks = bait.New()
 	lib.LoadLibs(l, hooks.Loader)

main.go

@@ -23,7 +23,7 @@ var (
 	l *rt.Runtime
 	lr *lineReader
 
-	commands = map[string]*lua.LFunction{}
+	commands = map[string]*rt.Closure{}
 	luaCompletions = map[string]*lua.LFunction{}
 
 	confDir string