func main() {
defer func() {
if err := recover(); err != nil {
fatal(err)
}
}() /**/
flag.Usage = usageMsg
flag.Parse()
as := flag.Args()
switch {
case *ViewVersion:
fmt.Fprintln(os.Stderr, version)
os.Exit(2)
case *Compiling:
i := new(ts.Interpreter)
i.LoadPrimitives()
compile(as)
case len(as) == 0:
i := newi(as)
i.Repl(readline.NewReader, readline.AddHistory)
default:
i := newi(as)
i.Load(as[0])
if *ForcePrompt {
i.Repl(readline.NewReader, readline.AddHistory)
}
}
readline.SaveHistory(os.Getenv("HOME") + "/.tsihistory")
}
func pkg(itpr *ts.Interpreter) map[string]*ts.Object {
reada := itpr.Accessor("readByte")
writea := itpr.Accessor("writeByte")
readByte := func(s *ts.Object) (byte, bool) {
b := s.Call(reada)
if b == ts.False {
return 0, false
}
return byte(b.ToInt()), true
}
writeByte := func(s *ts.Object, b byte) {
s.Call(writea, ts.Wrap(b))
}
return map[string]*ts.Object{
"read8": ts.Wrap(func(o, s *ts.Object) *ts.Object {
bs := make([]byte, 0, 6)
var b byte
var m bool
for b, m = readByte(s); m && b&0x80 != 0; b, m = readByte(s) {
bs = append(bs, b)
}
if !m {
return ts.False
}
bs = append(bs, b)
r, _ := utf8.DecodeRune(bs)
if r == utf8.RuneError {
panic("bad character")
}
return ts.Wrap(string(r))
}),
"write8": ts.Wrap(func(o, s, c *ts.Object) *ts.Object {
bs := make([]byte, 6)
size := utf8.EncodeRune(bs, rune(c.ToInt()))
for i := 0; i < size; i++ {
writeByte(s, bs[i])
}
return ts.Nil
}),
}
}
func pkg(it *ts.Interpreter) map[string]*ts.Object {
var Regex *ts.Class
read := it.Accessor("readChar")
Regex = ts.ObjectClass.Extend(it, "Regex", ts.UserData, []ts.Slot{
ts.MSlot("create", func(o, expr *ts.Object) *ts.Object {
re := regexp.MustCompile(expr.ToString())
o.SetUserData(re)
return ts.Nil
}),
ts.MSlot("match", func(o, src *ts.Object) *ts.Object {
re := o.UserData().(*regexp.Regexp)
r := runeReader{read, src}
return ts.Wrap(re.FindReaderSubmatchIndex(r))
}),
})
return map[string]*ts.Object{
"Regex": Regex.Object(),
}
}
func pkg(it *ts.Interpreter) map[string]*ts.Object {
toFloat := it.Accessor("toFloat")
flt := func(x *ts.Object) float64 {
return x.Call(toFloat).ToFloat()
}
wrap1 := func(f func(a float64) float64) *ts.Object {
return ts.Wrap(func(o, a *ts.Object) *ts.Object {
return ts.Wrap(f(flt(a)))
})
}
wrap2 := func(f func(a, b float64) float64) *ts.Object {
return ts.Wrap(func(o, a, b *ts.Object) *ts.Object {
return ts.Wrap(f(flt(a), flt(b)))
})
}
return map[string]*ts.Object{
"E": ts.Wrap(math.E),
"PI": ts.Wrap(math.Pi),
"PHI": ts.Wrap(math.Phi),
"SQRT2": ts.Wrap(math.Sqrt2),
"SQRTE": ts.Wrap(math.SqrtE),
"SQRTPI": ts.Wrap(math.SqrtPi),
"SQRTPHI": ts.Wrap(math.SqrtPhi),
"LN2": ts.Wrap(math.Ln2),
"LOG2E": ts.Wrap(math.Log2E),
"LN10": ts.Wrap(math.Ln10),
"LOG10E": ts.Wrap(math.Log10E),
"abs": wrap1(math.Abs),
"acos": wrap1(math.Acos),
"acosh": wrap1(math.Acosh),
"asin": wrap1(math.Asin),
"asinh": wrap1(math.Asinh),
"atan": wrap1(math.Atan),
"atanh": wrap1(math.Atanh),
"cbrt": wrap1(math.Cbrt),
"ceil": wrap1(math.Ceil),
"cos": wrap1(math.Cos),
"cosh": wrap1(math.Cosh),
"erf": wrap1(math.Erf),
"erfc": wrap1(math.Erfc),
"exp": wrap1(math.Exp),
"exp2": wrap1(math.Exp2),
"expm1": wrap1(math.Expm1),
"floor": wrap1(math.Floor),
"gamma": wrap1(math.Gamma),
"j0": wrap1(math.J0),
"j1": wrap1(math.J1),
"log": wrap1(math.Log),
"log10": wrap1(math.Log10),
"log1p": wrap1(math.Log1p),
"log2": wrap1(math.Log2),
"logb": wrap1(math.Logb),
"sin": wrap1(math.Sin),
"sinh": wrap1(math.Sinh),
"sqrt": wrap1(math.Sqrt),
"tan": wrap1(math.Tan),
"tanh": wrap1(math.Tanh),
"trunc": wrap1(math.Trunc),
"y0": wrap1(math.Y0),
"y1": wrap1(math.Y1),
"atan2": wrap2(math.Atan2),
"copysign": wrap2(math.Copysign),
"dim": wrap2(math.Dim),
"hypot": wrap2(math.Hypot),
"max": wrap2(math.Max),
"min": wrap2(math.Min),
"mod": wrap2(math.Mod),
"nextafter": wrap2(math.Nextafter),
"pow": wrap2(math.Pow),
"remainder": wrap2(math.Remainder),
"ilogb": ts.Wrap(func(o, x *ts.Object) *ts.Object {
return ts.Wrap(math.Ilogb(flt(x)))
}),
"inf": ts.Wrap(func(o, sign *ts.Object) *ts.Object {
return ts.Wrap(math.Inf(int(sign.ToInt())))
}),
"isInf": ts.Wrap(func(o, x, sign *ts.Object) *ts.Object {
return ts.Wrap(math.IsInf(flt(x), int(sign.ToInt())))
}),
"isNaN": ts.Wrap(func(o, x *ts.Object) *ts.Object {
return ts.Wrap(math.IsNaN(flt(x)))
}),
"NaN": ts.Wrap(math.NaN()),
"pow10": ts.Wrap(func(o, e *ts.Object) *ts.Object {
return ts.Wrap(math.Pow10(int(e.ToInt())))
}),
"jn": ts.Wrap(func(o, n, x *ts.Object) *ts.Object {
return ts.Wrap(math.Jn(int(n.ToInt()), flt(x)))
}),
"yn": ts.Wrap(func(o, n, x *ts.Object) *ts.Object {
return ts.Wrap(math.Yn(int(n.ToInt()), flt(x)))
}),
"seedRand": ts.Wrap(func(o, s *ts.Object) *ts.Object {
rand.Seed(s.ToInt())
return ts.Nil
}),
"rand": ts.Wrap(func(o *ts.Object) *ts.Object {
return ts.Wrap(rand.Float64())
}),
}
}