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43 lines
684 B
Go

package main
import (
"bufio"
"flag"
"fmt"
"io"
"os"
)
var tcpAddr = flag.String("tcp", "", "foo")
func args() {
flag.Parse()
if *tcpAddr != "" {
runTCPServer()
return
}
filename := flag.Args()[1]
f, err := os.Open(filename)
if err != nil {
fmt.Fprintln(os.Stderr, "unable to read file ", filename)
os.Exit(1)
}
defer f.Close()
out, errors := make(chan interface{}), make(chan error)
go defaultInterpreter(out, errors)
c := make(chan token, 32)
go lex(bufio.NewReader(f), c)
evalall(c, out, errors, universe)
}
func printErrorMsg(message string) {
io.WriteString(os.Stderr, message)
}
func die(message string) {
printErrorMsg(message)
os.Exit(2)
}