aboutsummaryrefslogtreecommitdiffstats
path: root/Godeps/_workspace/src/github.com/robertkrimen/otto/otto/main.go
blob: f379e42a92b1ba1f3d4853d88ba80547a65e9bb7 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
package main

import (
    "flag"
    "fmt"
    "io/ioutil"
    "os"

    "github.com/robertkrimen/otto"
    "github.com/robertkrimen/otto/underscore"
)

var flag_underscore *bool = flag.Bool("underscore", true, "Load underscore into the runtime environment")

func readSource(filename string) ([]byte, error) {
    if filename == "" || filename == "-" {
        return ioutil.ReadAll(os.Stdin)
    }
    return ioutil.ReadFile(filename)
}

func main() {
    flag.Parse()

    if !*flag_underscore {
        underscore.Disable()
    }

    err := func() error {
        src, err := readSource(flag.Arg(0))
        if err != nil {
            return err
        }

        vm := otto.New()
        _, err = vm.Run(src)
        return err
    }()
    if err != nil {
        switch err := err.(type) {
        case *otto.Error:
            fmt.Print(err.String())
        default:
            fmt.Println(err)
        }
        os.Exit(64)
    }
}