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
49
50
|
package shell
import (
"fmt"
"os"
"golang.org/x/term"
)
var commands = []string{
"help",
"clear",
"let",
"del",
"slice",
"rematch",
"repattern",
"tokenize",
"opt_simplify", "opt_tighten", "opt_flatten", "opt_sort", "opt_tidy", "opt_contradictions", "opt_compact", "opt_strictEq",
"parse",
"compile",
}
func (inter *Interpreter) Run() error {
oldState, err := term.MakeRaw(int(os.Stdin.Fd()))
if err != nil {
panic(err)
}
defer term.Restore(int(os.Stdin.Fd()), oldState)
inter.term = term.NewTerminal(os.Stdin, "atlasi> ")
inter.term.SetPrompt(
string(inter.term.Escape.Yellow) + "atlasi> " +
string(inter.term.Escape.Reset),
)
for {
line, err := inter.term.ReadLine()
if err != nil {
return err
}
tokens := inter.Tokenize(line)
fatal, err := inter.Eval(inter.term, tokens)
if fatal {
return err
} else if err != nil {
fmt.Fprintln(inter.term, string(inter.term.Escape.Red), "Error:",
string(inter.term.Escape.Reset), err)
}
}
}
|