refactor!: make runners require returning a table

allows for more options for runners in the future,
and makes it so that you can avoid passing
certain args more easily.

exec.go

@@ -120,19 +120,22 @@ func runInput(input string, priv bool) {
 			return
 		}
 
-		luaInput := term.Get(0)
-		luaexitcode := term.Get(1)
-		runErr := term.Get(2)
+		var runner *rt.Table
+		var ok bool
+		runnerRet := term.Get(0)
+		if runner, ok = runnerRet.TryTable(); !ok {
+			fmt.Fprintln(os.Stderr, "runner did not return a table")
+		}
 
-		if code, ok := luaexitcode.TryInt(); ok {
+		if code, ok := runner.Get(rt.StringValue("exitCode")).TryInt(); ok {
 			exitCode = uint8(code)
 		}
 		
-		if inp, ok := luaInput.TryString(); ok {
+		if inp, ok := runner.Get(rt.StringValue("input")).TryString(); ok {
 			input = inp
 		}
 
-		if errStr, ok := runErr.TryString(); ok {
+		if errStr, ok := runner.Get(rt.StringValue("err")).TryString(); ok {
 			err = fmt.Errorf("%s", errStr)
 		}
 	}

nature/opts/autocd.lua

@@ -1,23 +1,25 @@
 local fs = require 'fs'
 
 function cdHandle(inp)
-	local input, exit, err = hilbish.runner.lua(inp)
+	local res = hilbish.runner.lua(inp)
 
-	if not err then
-		return input, exit, err
+	if not res.err then
+		return res
 	end
 
-	input, exit, err = hilbish.runner.sh(inp)
+	res = hilbish.runner.sh(inp)
 
-	if exit ~= 0 and hilbish.opts.autocd then
-		local ok, stat = pcall(fs.stat, input)
+	if res.exit ~= 0 and hilbish.opts.autocd then
+		local ok, stat = pcall(fs.stat, res.input)
 		if ok and stat.isDir then
 			-- discard here to not append the cd, which will be in history
-			_, exit, err = hilbish.runner.sh('cd ' .. input)
+			local _, exitCode, err = hilbish.runner.sh('cd ' .. res.input)
+			res.exitCode = exitCode
+			res.err = err
 		end
 	end
 
-	return input, exit, err
+	return res
 end
 
 hilbish.runner.setMode(cdHandle)

nature/runner.lua

@@ -77,18 +77,18 @@ end
 hilbish.runner.add('hybrid', function(input)
 	local cmdStr = hilbish.aliases.resolve(input)
 
-	local _, _, err = hilbish.runner.lua(cmdStr)
-	if not err then
-		return input, 0, nil
+	local res = hilbish.runner.lua(cmdStr)
+	if not res.err then
+		return res
 	end
 
 	return hilbish.runner.sh(input)
 end)
 
 hilbish.runner.add('hybridRev', function(input)
-	local _, _, err = hilbish.runner.sh(input)
-	if not err then
-		return input, 0, nil
+	local res = hilbish.runner.sh(input)
+	if not res.err then
+		return res
 	end
 
 	local cmdStr = hilbish.aliases.resolve(input)

runnermode.go

@@ -33,8 +33,12 @@ func shRunner(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
 	if err != nil {
 		luaErr = rt.StringValue(err.Error())
 	}
+	runnerRet := rt.NewTable()
+	runnerRet.Set(rt.StringValue("input"), rt.StringValue(input))
+	runnerRet.Set(rt.StringValue("exitCode"), rt.IntValue(int64(exitCode)))
+	runnerRet.Set(rt.StringValue("err"), luaErr)
 
-	return c.PushingNext(t.Runtime, rt.StringValue(input), rt.IntValue(int64(exitCode)), luaErr), nil
+	return c.PushingNext(t.Runtime, rt.TableValue(runnerRet)), nil
 }
 
 func luaRunner(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
@@ -51,6 +55,10 @@ func luaRunner(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
 	if err != nil {
 		luaErr = rt.StringValue(err.Error())
 	}
+	runnerRet := rt.NewTable()
+	runnerRet.Set(rt.StringValue("input"), rt.StringValue(input))
+	runnerRet.Set(rt.StringValue("exitCode"), rt.IntValue(int64(exitCode)))
+	runnerRet.Set(rt.StringValue("err"), luaErr)
 
-	return c.PushingNext(t.Runtime, rt.StringValue(input), rt.IntValue(int64(exitCode)), luaErr), nil
+	return c.PushingNext(t.Runtime, rt.TableValue(runnerRet)), nil
 }