blob: 9113d2fb9fea1239d6673269859d73c551724bad (
plain)
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
|
/*
* Very simple example program
*/
#include "duktape.h"
int adder(duk_context *ctx) {
int i;
int n = duk_get_top(ctx); /* #args */
double res = 0.0;
for (i = 0; i < n; i++) {
res += duk_to_number(ctx, i);
}
duk_push_number(ctx, res);
return 1; /* one return value */
}
int main(int argc, char *argv[]) {
duk_context *ctx = duk_create_heap_default();
(void) argc; (void) argv; /* suppress warning */
duk_eval_string(ctx, "print('Hello world!');");
duk_push_global_object(ctx);
duk_push_c_function(ctx, adder, DUK_VARARGS);
duk_put_prop_string(ctx, -2, "adder");
duk_pop(ctx); /* pop global */
duk_eval_string(ctx, "print('2+3=' + adder(2, 3));");
duk_pop(ctx); /* pop eval result */
duk_destroy_heap(ctx);
return 0;
}
|
