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1 | /* -*-c-*- |
2 | * |
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3 | * $Id: pgproc.c,v 1.2 2004/04/08 01:36:21 mdw Exp $ |
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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 | |
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29 | /*----- Header files ------------------------------------------------------*/ |
30 | |
31 | #include "catacomb-perl.h" |
32 | |
33 | /*----- Main code ---------------------------------------------------------*/ |
34 | |
35 | static int perlevent(int rq, pgen_event *e, void *p) |
36 | { |
37 | char *meth = 0; |
38 | int n; |
39 | SV *sv = p; |
40 | int rc; |
41 | dSP; |
42 | |
43 | switch (rq) { |
44 | case PGEN_BEGIN: meth = "pgen_begin"; break; |
45 | case PGEN_TRY: meth = "pgen_try"; break; |
46 | case PGEN_FAIL: meth = "pgen_fail"; break; |
47 | case PGEN_PASS: meth = "pgen_pass"; break; |
48 | case PGEN_DONE: meth = "pgen_done"; break; |
49 | case PGEN_ABORT: meth = "pgen_abort"; break; |
50 | default: |
51 | abort(); |
52 | } |
53 | |
54 | ENTER; |
55 | SAVETMPS; |
56 | PUSHMARK(SP); |
57 | XPUSHs(sv); |
58 | XPUSHs(sv_setref_pv(sv_newmortal(), "Catacomb::MP::Prime::Gen::Event", |
59 | (void *)e)); |
60 | PUTBACK; |
61 | n = perl_call_method(meth, G_SCALAR); |
62 | assert(n == 1); |
63 | SPAGAIN; |
64 | rc = POPi; |
65 | PUTBACK; |
66 | FREETMPS; |
67 | LEAVE; |
68 | return (rc); |
69 | } |
70 | |
71 | void pgproc_get(SV *sv, pgen_proc **p, void **ctx) |
72 | { |
73 | if (!SvOK(sv)) { |
74 | *p = 0; |
75 | *ctx = 0; |
76 | } else if (sv_derived_from(sv, "Catacomb::MP::Prime::Gen::MagicProc")) { |
77 | MP_Prime_Gen_MagicProc *mg = |
78 | (MP_Prime_Gen_MagicProc *)SvIV((SV *)SvRV(sv)); |
79 | *p = mg->p; |
80 | *ctx = mg->ctx; |
81 | } else { |
82 | *p = perlevent; |
83 | *ctx = sv; |
84 | } |
85 | } |
86 | |
87 | /*----- That's all, folks -------------------------------------------------*/ |