func (ls *LState) Load(reader io.Reader, name string) (*LFunction, error) { chunk, err := parse.Parse(reader, name) if err != nil { return nil, newApiErrorE(ApiErrorSyntax, err) } proto, err := Compile(chunk, name) if err != nil { return nil, newApiErrorE(ApiErrorSyntax, err) } return newLFunctionL(proto, ls.currentEnv(), 0), nil }
func testScriptCompile(t *testing.T, script string) { file, err := os.Open(script) if err != nil { t.Fatal(err) return } chunk, err2 := parse.Parse(file, script) if err2 != nil { t.Fatal(err2) return } parse.Dump(chunk) proto, err3 := Compile(chunk, script) if err3 != nil { t.Fatal(err3) return } proto.String() }
func mainAux() int { var opt_e, opt_l, opt_p string var opt_i, opt_v, opt_dt, opt_dc bool var opt_m int flag.StringVar(&opt_e, "e", "", "") flag.StringVar(&opt_l, "l", "", "") flag.StringVar(&opt_p, "p", "", "") flag.IntVar(&opt_m, "mx", 0, "") flag.BoolVar(&opt_i, "i", false, "") flag.BoolVar(&opt_v, "v", false, "") flag.BoolVar(&opt_dt, "dt", false, "") flag.BoolVar(&opt_dc, "dc", false, "") flag.Usage = func() { fmt.Println(`Usage: glua [options] [script [args]]. Available options are: -e stat execute string 'stat' -l name require library 'name' -mx MB memory limit(default: unlimited) -dt dump AST trees -dc dump VM codes -i enter interactive mode after executing 'script' -p file write cpu profiles to the file -v show version information `) } flag.Parse() if len(opt_p) != 0 { f, err := os.Create(opt_p) if err != nil { fmt.Println(err.Error()) os.Exit(1) } pprof.StartCPUProfile(f) defer pprof.StopCPUProfile() } if len(opt_e) == 0 && !opt_i && !opt_v && flag.NArg() == 0 { opt_i = true } status := 0 L := lua.NewState() defer L.Close() if opt_m > 0 { L.SetMx(opt_m) } if opt_v || opt_i { fmt.Println(lua.PackageCopyRight) } if len(opt_l) > 0 { if err := L.DoFile(opt_l); err != nil { fmt.Println(err.Error()) } } if nargs := flag.NArg(); nargs > 0 { script := flag.Arg(0) argtb := L.NewTable() for i := 1; i < nargs; i++ { L.RawSet(argtb, lua.LNumber(i), lua.LString(flag.Arg(i))) } L.SetGlobal("arg", argtb) if opt_dt || opt_dc { file, err := os.Open(script) if err != nil { fmt.Println(err.Error()) return 1 } chunk, err2 := parse.Parse(file, script) if err2 != nil { fmt.Println(err2.Error()) return 1 } if opt_dt { fmt.Println(parse.Dump(chunk)) } if opt_dc { proto, err3 := lua.Compile(chunk, script) if err3 != nil { fmt.Println(err3.Error()) return 1 } fmt.Println(proto.String()) } } if err := L.DoFile(script); err != nil { fmt.Println(err.Error()) status = 1 } } if len(opt_e) > 0 { if err := L.DoString(opt_e); err != nil { fmt.Println(err.Error()) status = 1 } } if opt_i { reader := bufio.NewReader(os.Stdin) for { fmt.Print("> ") if buf, err := reader.ReadString('\n'); err == io.EOF { break } else if err != nil { } else { if err := L.DoString(buf); err != nil { fmt.Println(err.Error()) } } } } return status }