func main() {
flag.Parse()
// for now, assumes this is only being invoked with a filename to interpret
file, err := os.Open(flag.Args()[0])
if err != nil {
panic(err)
}
bytes, err := ioutil.ReadAll(file)
if err != nil {
panic(err)
}
home := os.Getenv("HOME")
grubbyHome := filepath.Join(home, ".grubby")
rubyVM := vm.NewVM(grubbyHome, flag.Args()[0])
defer rubyVM.Exit()
_, err = rubyVM.Run(string(bytes))
switch err.(type) {
case *vm.ParseError:
offendingFilename := err.(*vm.ParseError).Filename
println(fmt.Sprintf("Error parsing ruby script %s", offendingFilename))
println("last 20 statements from the parser:")
println("")
debugStatements := []string{}
for _, d := range parser.DebugStatements {
debugStatements = append(debugStatements, d)
}
threshold := 61
debugCount := len(debugStatements)
if debugCount <= threshold {
for _, stmt := range debugStatements {
fmt.Printf("\t%s\n", stmt)
}
} else {
for _, stmt := range debugStatements[debugCount-threshold:] {
fmt.Printf("\t%s\n", stmt)
}
}
os.Exit(1)
case nil:
case error:
panic(err.Error())
default:
panic(fmt.Sprintf("%#v", err))
}
}
func main() {
home := os.Getenv("HOME")
grubbyHome := filepath.Join(home, ".grubby")
vm := vm.NewVM(grubbyHome, "(grubby irb")
defer vm.Exit()
for {
result, err := vm.Run(readInput())
if err != nil {
fmt.Printf(" => %s", err.Error())
continue
}
if result != nil {
fmt.Printf("=> %s", result.String())
} else {
fmt.Printf("=> %#v", result)
}
println("")
}
}