Initial commit

go.mod

@@ -0,0 +1,8 @@
+module lua
+
+go 1.24.2
+
+require (
+	github.com/yuin/gopher-lua v1.1.1
+	layeh.com/gopher-json v0.0.0-20201124131017-552bb3c4c3bf
+)

go.sum

@@ -0,0 +1,4 @@
+github.com/yuin/gopher-lua v1.1.1 h1:kYKnWBjvbNP4XLT3+bPEwAXJx262OhaHDWDVOPjL46M=
+github.com/yuin/gopher-lua v1.1.1/go.mod h1:GBR0iDaNXjAgGg9zfCvksxSRnQx76gclCIb7kdAd1Pw=
+layeh.com/gopher-json v0.0.0-20201124131017-552bb3c4c3bf h1:rRz0YsF7VXj9fXRF6yQgFI7DzST+hsI3TeFSGupntu0=
+layeh.com/gopher-json v0.0.0-20201124131017-552bb3c4c3bf/go.mod h1:ivKkcY8Zxw5ba0jldhZCYYQfGdb2K6u9tbYK1AwMIBc=

pkg.go

@@ -0,0 +1,43 @@
+package lua
+
+import (
+	// External
+	gopherLua "github.com/yuin/gopher-lua"
+	luaJSON "layeh.com/gopher-json"
+
+	// Standard
+	"encoding/json"
+)
+
+type LUA struct {
+	state *gopherLua.LState
+}
+
+func NewLUA() (lua LUA) {
+	lua.state = gopherLua.NewState()
+	luaJSON.Preload(lua.state)
+	return
+}
+
+func (l *LUA) SetStructInLUA(L *gopherLua.LState, varname string, strct any) (ltable gopherLua.LValue, err error) {
+	// JSON is used as a communications layer.
+	j, _ := json.Marshal(strct)
+
+	// JSON is decoded to a Lua table.
+	ltable, err = luaJSON.Decode(L, j)
+	if err != nil {
+		return
+	}
+	l.state.SetGlobal(varname, ltable)
+	return
+}
+
+func (l *LUA) GetStructFromLUA(ltable gopherLua.LValue, strct any) (err error) {
+	j, _ := luaJSON.Encode(ltable)
+	err = json.Unmarshal(j, strct)
+	return
+}
+
+func (l *LUA) Run(script string) (err error) {
+	return l.state.DoString(script)
+}