Example #1
0
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")
}
Example #2
0
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
		}),
	}
}
Example #3
0
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(),
	}
}
Example #4
0
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())
		}),
	}

}