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Hilbish/lua.go

97 lines
2.3 KiB

package main
import (
"fmt"
"os"
"hilbish/util"
"hilbish/golibs/bait"
"hilbish/golibs/commander"
"hilbish/golibs/fs"
"hilbish/golibs/terminal"
rt "github.com/arnodel/golua/runtime"
"github.com/arnodel/golua/lib"
"github.com/arnodel/golua/lib/debuglib"
)
var minimalconf = `hilbish.prompt '& '`
func luaInit() {
l = rt.New(os.Stdout)
l.PushContext(rt.RuntimeContextDef{
MessageHandler: debuglib.Traceback,
})
lib.LoadAll(l)
setupSinkType(l)
lib.LoadLibs(l, hilbishLoader)
// yes this is stupid, i know
util.DoString(l, "hilbish = require 'hilbish'")
// Add fs and terminal module module to Lua
lib.LoadLibs(l, fs.Loader)
lib.LoadLibs(l, terminal.Loader)
cmds := commander.New(l)
// When a command from Lua is added, register it for use
cmds.Events.On("commandRegister", func(args ...interface{}) {
cmdName := args[0].(string)
cmd := args[1].(*rt.Closure)
commands[cmdName] = cmd
})
cmds.Events.On("commandDeregister", func(args ...interface{}) {
cmdName := args[0].(string)
delete(commands, cmdName)
})
lib.LoadLibs(l, cmds.Loader)
hooks = bait.New(l)
hooks.SetRecoverer(func(event string, handler *bait.Listener, err interface{}) {
fmt.Println("Error in `error` hook handler:", err)
hooks.Off(event, handler)
})
lib.LoadLibs(l, hooks.Loader)
// Add Ctrl-C handler
hooks.On("signal.sigint", func(...interface{}) {
if !interactive {
os.Exit(0)
}
})
lr.rl.RawInputCallback = func(r []rune) {
hooks.Emit("hilbish.rawInput", string(r))
}
// Add more paths that Lua can require from
err := util.DoString(l, "package.path = package.path .. " + requirePaths)
if err != nil {
fmt.Fprintln(os.Stderr, "Could not add Hilbish require paths! Libraries will be missing. This shouldn't happen.")
}
err1 := util.DoFile(l, "nature/init.lua")
if err1 != nil {
err2 := util.DoFile(l, preloadPath)
if err2 != nil {
fmt.Fprintln(os.Stderr, "Missing nature module, some functionality and builtins will be missing.")
fmt.Fprintln(os.Stderr, "local error:", err1)
fmt.Fprintln(os.Stderr, "global install error:", err2)
}
}
}
func runConfig(confpath string) {
if !interactive {
return
}
err := util.DoFile(l, confpath)
if err != nil {
fmt.Fprintln(os.Stderr, err, "\nAn error has occured while loading your config! Falling back to minimal default config.")
util.DoString(l, minimalconf)
}
}