summaryrefslogtreecommitdiff
path: root/ocaml/lib/cue_ffi.c
blob: 9b7054717aa2164ac618279f48e8dac7d9d0873e (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
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
/* C bindings for fast cue using C Vere's implementation
 *
 * This provides OCaml with access to C Vere's optimized cue
 */

#include <caml/mlvalues.h>
#include <caml/memory.h>
#include <caml/alloc.h>
#include <caml/custom.h>
#include <caml/fail.h>

#include "../../vere/pkg/noun/noun.h"
#include "../../vere/pkg/ur/ur.h"

/* Convert C Vere noun to OCaml noun
 * This is a placeholder - actual implementation would need
 * to traverse the C noun tree and build OCaml representation
 */
static value c_noun_to_ocaml(u3_noun noun) {
    // TODO: Implement proper conversion
    // For now, return unit
    return Val_unit;
}

/* OCaml entry point: cue_bytes : bytes -> noun */
CAMLprim value
caml_cue_bytes(value bytes_v)
{
    CAMLparam1(bytes_v);
    CAMLlocal1(result);

    /* Get bytes data */
    c3_d len_d = caml_string_length(bytes_v);
    c3_y* byt_y = (c3_y*)Bytes_val(bytes_v);

    /* Initialize if needed */
    static int initialized = 0;
    if (!initialized) {
        u3C.wag_w |= u3o_hashless;
        u3m_boot_lite(1 << 26);  // 64 MB loom
        initialized = 1;
    }

    /* Cue the bytes */
    u3_cue_xeno* sil_u = u3s_cue_xeno_init_with(ur_fib27, ur_fib28);
    u3_weak pil = u3s_cue_xeno_with(sil_u, len_d, byt_y);
    u3s_cue_xeno_done(sil_u);

    if (u3_none == pil) {
        caml_failwith("cue failed");
    }

    /* Convert C noun to OCaml noun */
    result = c_noun_to_ocaml(pil);

    CAMLreturn(result);
}