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
51
52
53
|
#include <stdlib.h>
#include <stdio.h>
#include "utils.h"
#include "lexer.h"
#include "parser.h"
#include "runtime.h"
int main(int argc, char **argv) {
pit_runtime *rt = pit_runtime_new();
if (argc < 2) { /* run repl */
char buf[1024] = {0};
i64 len = 0;
pit_runtime_freeze(rt);
setbuf(stdout, NULL);
printf("> ");
while (len < (i64) sizeof(buf) && (buf[len++] = (char) getchar()) != EOF) {
if (buf[len - 1] == '\n') {
pit_value bs, prog, res;
buf[len - 1] = 0;
bs = pit_bytes_new_cstr(rt, buf);
prog = pit_read_bytes(rt, bs);
res = pit_eval(rt, prog);
if (pit_runtime_print_error(rt)) {
rt->error = PIT_NIL;
printf("> ");
} else {
char dumpbuf[1024] = {0};
pit_dump(rt, dumpbuf, sizeof(dumpbuf) - 1, res, true);
printf("%s\n> ", dumpbuf);
}
len = 0;
}
}
} else { /* run file */
pit_value bs = pit_bytes_new_file(rt, argv[1]);
pit_lexer lex;
pit_parser parse;
bool eof = false;
pit_value p = PIT_NIL;
if (!pit_lexer_from_bytes(rt, &lex, bs)) {
pit_error(rt, "failed to initialize lexer");
}
pit_parser_from_lexer(&parse, &lex);
while (p = pit_parse(rt, &parse, &eof), !eof) {
pit_eval(rt, p);
if (pit_runtime_print_error(rt)) {
exit(1);
}
}
}
return 0;
}
|
