mexico/mexigo/main.go
2019-12-08 17:55:49 +01:00

49 lines
1.1 KiB
Go

package main
import (
"flag"
"github.com/maride/mexico/mexigo/interpreter"
"log"
)
func main() {
// Important things first
printBanner()
// Get desired domain off arguments
flag.Parse()
domain := flag.Arg(0)
if domain == "" {
// No domain entered.
log.Println("Please specify a domain to receive code from as first argument, like this: ./mexigo <domain>")
return
}
// Get program code from that domain
log.Printf("Resolving %s for MX records", domain)
code := LookupMX(domain)
if len(code) == 0 {
// Failed to look up mexico code on that domain. Log and exit.
log.Printf("No code found on domain '%s'. Exiting.", domain)
return
}
// Inform user about successful resolving
log.Printf("Found %d code lines, interpreting them...", len(code))
// Set up interpreter
runErr := interpreter.Run(code)
if runErr != nil {
// Encountered error while executing code. Log and exit.
log.Println(runErr.Error())
return
}
}
// Prints a small banner :)
func printBanner() {
println("mexigo - the reference interpreter for the mexico esolang!")
println("See github.com/maride/mexico for further information.")
println()
}