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)
}
}
func newContext(c *cache) (*Context, error) {
vm := otto.New()
vm.SetMode(otto.RegExpErrorOnUse)
ctx := &Context{
Stdout: os.Stdout,
Stderr: os.Stderr,
vm: vm,
}
if c == nil {
c = newCache()
}
ctx.cache = c
if err := ctx.loadRuntime(); err != nil {
return nil, err
}
return ctx, nil
}
func test(filename string) error {
script, err := ioutil.ReadFile(filename)
if err != nil {
return err
}
if !*flag_report {
fmt.Fprintln(os.Stdout, filename, len(script))
}
parse := false
option := target[filename]
if option != "parse" {
vm := otto.New()
_, err = vm.Run(string(script))
if err != nil {
value := err.Error()
switch {
case match_ReferenceError_not_defined.MatchString(value):
case match_TypeError_undefined.MatchString(value):
case match_lookahead.MatchString(value):
case match_backreference.MatchString(value):
default:
return err
}
parse = true
}
}
if parse {
_, err = parser.ParseFile(nil, filename, string(script), parser.IgnoreRegExpErrors)
if err != nil {
return err
}
target[filename] = "parse"
}
return nil
}