Initial checkin.
[catacomb-perl] / pgproc.c
CommitLineData
660b443c 1/* -*-c-*-
2 *
3 * $Id: pgproc.c,v 1.1 2004/04/02 18:04:01 mdw Exp $
4 *
5 * Prime generation procedures
6 *
7 * (c) 2001 Straylight/Edgeware
8 */
9
10/*----- Licensing notice --------------------------------------------------*
11 *
12 * This file is part of the Perl interface to Catacomb.
13 *
14 * Catacomb/Perl is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
18 *
19 * Catacomb/Perl is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with Catacomb/Perl; if not, write to the Free Software Foundation,
26 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 */
28
29/*----- Revision history --------------------------------------------------*
30 *
31 * $Log: pgproc.c,v $
32 * Revision 1.1 2004/04/02 18:04:01 mdw
33 * Initial checkin.
34 *
35 */
36
37/*----- Header files ------------------------------------------------------*/
38
39#include "catacomb-perl.h"
40
41/*----- Main code ---------------------------------------------------------*/
42
43static int perlevent(int rq, pgen_event *e, void *p)
44{
45 char *meth = 0;
46 int n;
47 SV *sv = p;
48 int rc;
49 dSP;
50
51 switch (rq) {
52 case PGEN_BEGIN: meth = "pgen_begin"; break;
53 case PGEN_TRY: meth = "pgen_try"; break;
54 case PGEN_FAIL: meth = "pgen_fail"; break;
55 case PGEN_PASS: meth = "pgen_pass"; break;
56 case PGEN_DONE: meth = "pgen_done"; break;
57 case PGEN_ABORT: meth = "pgen_abort"; break;
58 default:
59 abort();
60 }
61
62 ENTER;
63 SAVETMPS;
64 PUSHMARK(SP);
65 XPUSHs(sv);
66 XPUSHs(sv_setref_pv(sv_newmortal(), "Catacomb::MP::Prime::Gen::Event",
67 (void *)e));
68 PUTBACK;
69 n = perl_call_method(meth, G_SCALAR);
70 assert(n == 1);
71 SPAGAIN;
72 rc = POPi;
73 PUTBACK;
74 FREETMPS;
75 LEAVE;
76 return (rc);
77}
78
79void pgproc_get(SV *sv, pgen_proc **p, void **ctx)
80{
81 if (!SvOK(sv)) {
82 *p = 0;
83 *ctx = 0;
84 } else if (sv_derived_from(sv, "Catacomb::MP::Prime::Gen::MagicProc")) {
85 MP_Prime_Gen_MagicProc *mg =
86 (MP_Prime_Gen_MagicProc *)SvIV((SV *)SvRV(sv));
87 *p = mg->p;
88 *ctx = mg->ctx;
89 } else {
90 *p = perlevent;
91 *ctx = sv;
92 }
93}
94
95/*----- That's all, folks -------------------------------------------------*/