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/* |
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* This file is part of Deliantra, the Roguelike Realtime MMORPG. |
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* |
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* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
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* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
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* Copyright (©) 1992,2007 Frank Tore Johansen |
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* |
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* Deliantra is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* The authors can be reached via e-mail to <support@deliantra.net> |
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*/ |
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|
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// |
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// cfperl.h perl interface |
26 |
// |
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#ifndef CFPERL_H__ |
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#define CFPERL_H__ |
29 |
|
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#include <cstdarg> |
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#include <cstdio> |
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#include <bitset> |
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|
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using namespace std; |
35 |
|
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#include <EXTERN.h> |
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#include <perl.h> |
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#include <XSUB.h> |
39 |
|
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#include <EVAPI.h> |
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#include <CoroAPI.h> |
42 |
|
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#include "util.h" |
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#include "keyword.h" |
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#include "dynbuf.h" |
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#include "callback.h" |
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|
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
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// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
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#undef localtime |
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#undef srand48 |
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#undef drand48 |
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#undef srandom |
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#undef opendir |
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#undef readdir |
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#undef closedir |
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#undef getprotobyname |
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#undef gethostbyname |
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#undef ctime |
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#undef strerror |
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#undef _ |
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|
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// same here, massive symbol spamming |
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#undef do_open |
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#undef do_close |
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#undef ref |
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#undef seed |
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|
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// perl bug #40256: perl does overwrite those with reentrant versions |
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// but does not initialise their state structures. |
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#undef random |
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#undef crypt |
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|
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
76 |
|
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#define _(msg) (msg) |
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#define N_(msg) (msg) |
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|
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
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// some macros to simplify perl in-calls |
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|
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#define CHECK_ERROR \ |
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if (SvTRUE (ERRSV)) \ |
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LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV)); |
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|
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inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); } |
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inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); } |
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|
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#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) |
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#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc |
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#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) |
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#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN; |
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#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE |
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|
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
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void cfperl_init (); |
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void cfperl_main (); |
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void cfperl_tick (); |
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void cfperl_emergency_save (); |
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void cfperl_cleanup (int make_core); |
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void cfperl_make_book (object *book, int level); |
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void cfperl_send_msg (client *ns, int color, const char *type, const char *msg); |
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int cfperl_can_merge (object *ob1, object *ob2); |
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void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0); |
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|
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bool is_match_expr (const char *expr); |
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/* applies the match expression and returns true if it matches */ |
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bool match (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0); |
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|
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
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#if IVSIZE >= 8 |
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typedef IV val64; |
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typedef IV uval64; |
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# define newSVval64 newSViv |
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# define SvVAL64 SvIV |
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# define newSVuval64 newSVuv |
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# define SvUVAL64 SvUV |
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#else |
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typedef double val64; |
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typedef double uval64; |
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# define newSVval64 newSVnv |
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# define SvVAL64 SvNV |
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# define newSVuval64 newSVnv |
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# define SvUVAL64 SvNV |
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#endif |
130 |
|
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extern tstamp runtime; // virtual server time, excluding time jumps and lag |
132 |
extern tstamp NOW; // real time of current server tick |
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|
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enum event_klass |
135 |
{ |
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KLASS_NONE, |
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KLASS_GLOBAL, |
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KLASS_ATTACHABLE, |
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KLASS_CLIENT, |
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KLASS_PLAYER, |
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KLASS_OBJECT, |
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KLASS_MAP, |
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KLASS_COMMAND, |
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}; |
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|
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enum event_type |
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{ |
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# define def(klass,name) EVENT_ ## klass ## _ ## name, |
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# include "eventinc.h" |
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# undef def |
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NUM_EVENT_TYPES |
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}; |
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|
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// in which global events or per-type events are we interested |
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extern bitset<NUM_EVENT_TYPES> ev_want_event; |
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extern bitset<NUM_TYPES> ev_want_type; |
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|
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#define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
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#define ARG_INT(v) DT_INT , static_cast<int> (v) |
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#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
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#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
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#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
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#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) |
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#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o)) |
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#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o)) |
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#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o)) |
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#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o)) |
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#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) |
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#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) |
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#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) |
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|
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// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
173 |
#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0) |
174 |
#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) |
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#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__) |
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#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__) |
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#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__) |
178 |
#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__) |
179 |
#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__) |
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|
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//TODO should index into @result |
182 |
#define RESULT(idx,type) cfperl_result_ ## type (idx) |
183 |
#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) |
184 |
#define RESULT_INT(idx) RESULT(idx, INT) |
185 |
|
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double cfperl_result_DOUBLE (int idx); |
187 |
int cfperl_result_INT (int idx); |
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|
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
190 |
|
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INTERFACE_CLASS (attachable) |
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struct attachable : refcnt_base |
193 |
{ |
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static MGVTBL vtbl; |
195 |
|
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enum { |
197 |
F_DESTROYED = 0x01, |
198 |
F_DEBUG_TRACE = 0x02, |
199 |
}; |
200 |
uint8 ACC (RW, flags); |
201 |
|
202 |
static unordered_vector<attachable *> mortals; |
203 |
MTH static void check_mortals (); |
204 |
|
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// object is delete'd after the refcount reaches 0 |
206 |
MTH int refcnt_cnt () const; |
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// check wether the object has died and destroy |
208 |
MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } |
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|
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// destroy the object unless it was already destroyed |
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// this politely asks everybody interested the reduce |
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// the refcount to 0 as soon as possible. |
213 |
MTH void destroy (); |
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|
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// return wether an object was destroyed already |
216 |
MTH bool destroyed () const { return flags & F_DESTROYED; } |
217 |
|
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virtual void gather_callbacks (AV *&callbacks, event_type event) const; |
219 |
|
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#if 0 |
221 |
private: |
222 |
static refcounted *rc_first; |
223 |
refcounted *rc_next; |
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#endif |
225 |
|
226 |
HV *self; // CF+ perl self |
227 |
AV *cb; // CF+ callbacks |
228 |
shstr attach; // generic extension attachment information |
229 |
|
230 |
void sever_self (); // sever this object from its self, if it has one. |
231 |
void optimise (); // possibly save some memory by destroying unneeded data |
232 |
|
233 |
attachable () |
234 |
: flags (0), self (0), cb (0), attach (0) |
235 |
{ |
236 |
} |
237 |
|
238 |
attachable (const attachable &src) |
239 |
: flags (0), self (0), cb (0), attach (src.attach) |
240 |
{ |
241 |
} |
242 |
|
243 |
// set a custom key to the given value, or delete it if value = 0 |
244 |
void set_key (const char *key, const char *value = 0, bool is_utf8 = 0); |
245 |
|
246 |
void set_key_text (const char *key, const char *value = 0) |
247 |
{ |
248 |
set_key (key, value, 1); |
249 |
} |
250 |
|
251 |
void set_key_data (const char *key, const char *value = 0) |
252 |
{ |
253 |
set_key (key, value, 0); |
254 |
} |
255 |
|
256 |
attachable &operator =(const attachable &src); |
257 |
|
258 |
// used to _quickly_ device wether to shortcut the evaluation |
259 |
bool should_invoke (event_type event) |
260 |
{ |
261 |
return ev_want_event [event] || cb; |
262 |
} |
263 |
|
264 |
bool invoke (event_type event, ...); |
265 |
|
266 |
MTH void instantiate (); |
267 |
void reattach (); |
268 |
|
269 |
protected: |
270 |
// do the real refcount checking work |
271 |
void do_check (); |
272 |
|
273 |
// the method that does the real destroy work |
274 |
virtual void do_destroy (); |
275 |
|
276 |
// destructor is protected, should not be called by anybody |
277 |
virtual ~attachable (); |
278 |
}; |
279 |
|
280 |
// the global object is a pseudo object that cares for the global events |
281 |
struct global : attachable |
282 |
{ |
283 |
void gather_callbacks (AV *&callbacks, event_type event) const; |
284 |
}; |
285 |
|
286 |
extern struct global gbl_ev; |
287 |
|
288 |
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
289 |
|
290 |
INTERFACE_CLASS(object_freezer) |
291 |
struct object_freezer : dynbuf_text |
292 |
{ |
293 |
AV *av; |
294 |
|
295 |
object_freezer (); |
296 |
~object_freezer (); |
297 |
|
298 |
void put (attachable *ext); |
299 |
|
300 |
// used only for user-defined key-value pairs |
301 |
void put (shstr_tmp k, shstr_tmp v) |
302 |
{ |
303 |
add (k); |
304 |
|
305 |
if (expect_true (v)) |
306 |
add (' '), add (v); |
307 |
|
308 |
add ('\n'); |
309 |
} |
310 |
|
311 |
template<typename T> |
312 |
void put_kw_string (keyword k, const T &v) |
313 |
{ |
314 |
int klen = keyword_len [k]; |
315 |
int vlen = v ? strlen (v) + 1 : 0; |
316 |
|
317 |
char *p = (char *)alloc (klen + vlen + 1); |
318 |
|
319 |
memcpy (p, keyword_str [k], klen); p += klen; |
320 |
|
321 |
if (expect_true (v)) |
322 |
{ |
323 |
*p++ = ' '; vlen--; |
324 |
memcpy (p, v, vlen); p += vlen; |
325 |
} |
326 |
|
327 |
*p = '\n'; |
328 |
} |
329 |
|
330 |
void put (keyword k, const char *v = 0) |
331 |
{ |
332 |
put_kw_string (k, v); |
333 |
} |
334 |
|
335 |
void put (keyword k, shstr_tmp v) |
336 |
{ |
337 |
put_kw_string (k, v); |
338 |
} |
339 |
|
340 |
void put (keyword k, double v) |
341 |
{ |
342 |
force (MAX_KEYWORD_LEN + 2 + 32); |
343 |
fadd (keyword_str [k], keyword_len [k]); |
344 |
fadd (' '); |
345 |
falloc (sprintf (ptr, "%.7g", v)); |
346 |
fadd ('\n'); |
347 |
} |
348 |
|
349 |
void put_(keyword k, sint64 v) |
350 |
{ |
351 |
force (MAX_KEYWORD_LEN + 2 + sint64_digits); |
352 |
fadd (keyword_str [k], keyword_len [k]); |
353 |
fadd (' '); |
354 |
add (v); |
355 |
fadd ('\n'); |
356 |
} |
357 |
|
358 |
void put_(keyword k, sint32 v) |
359 |
{ |
360 |
force (MAX_KEYWORD_LEN + 2 + sint32_digits); |
361 |
fadd (keyword_str [k], keyword_len [k]); |
362 |
fadd (' '); |
363 |
add (v); |
364 |
fadd ('\n'); |
365 |
} |
366 |
|
367 |
void put (keyword k, float v) { put (k, (double)v); } |
368 |
void put (keyword k, signed char v) { put_(k, (sint32)v); } |
369 |
void put (keyword k, unsigned char v) { put_(k, (sint32)v); } |
370 |
void put (keyword k, signed short v) { put_(k, (sint32)v); } |
371 |
void put (keyword k, unsigned short v) { put_(k, (sint32)v); } |
372 |
void put (keyword k, signed int v) { put_(k, (sint32)v); } |
373 |
void put (keyword k, unsigned int v) { put_(k, (sint64)v); } |
374 |
void put (keyword k, signed long v) { put_(k, (sint64)v); } |
375 |
void put (keyword k, unsigned long v) { put_(k, (sint64)v); } |
376 |
void put (keyword k, signed long long v) { put_(k, (sint64)v); } |
377 |
void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
378 |
|
379 |
void put (keyword kbeg, keyword kend, shstr_tmp v) |
380 |
{ |
381 |
force (MAX_KEYWORD_LEN + 1); |
382 |
fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n'); |
383 |
|
384 |
if (expect_true (v)) |
385 |
{ |
386 |
add (v); |
387 |
add ('\n'); |
388 |
} |
389 |
|
390 |
force (MAX_KEYWORD_LEN + 1); |
391 |
fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n'); |
392 |
} |
393 |
|
394 |
void put (keyword k, archetype *v); |
395 |
void put (keyword k, treasurelist *v); |
396 |
void put (keyword k, faceinfo *v); |
397 |
|
398 |
template<typename T> |
399 |
void put (keyword k, const refptr<T> &v) |
400 |
{ |
401 |
put (k, (T *)v); |
402 |
} |
403 |
|
404 |
MTH bool save (const_octet_string path); |
405 |
char *as_string (); // like strdup |
406 |
|
407 |
operator bool () { return !!av; } |
408 |
}; |
409 |
|
410 |
INTERFACE_CLASS(object_thawer) |
411 |
struct object_thawer |
412 |
{ |
413 |
char *line; // current beginning of line |
414 |
SV *text; // text part |
415 |
AV *av; // perl part |
416 |
int linenum; |
417 |
keyword kw; |
418 |
char *kw_str; // the keyword parsed, as string |
419 |
char *value; // the value, or 0 if no value |
420 |
const char *value_nn; // the value, or the empty string if no value |
421 |
const char *name; |
422 |
|
423 |
operator bool () const { return !!text; } |
424 |
|
425 |
object_thawer (const char *path = 0); |
426 |
object_thawer (const char *data, AV *perlav); |
427 |
~object_thawer (); |
428 |
|
429 |
void get (attachable *obj, int oid); |
430 |
|
431 |
// parse next line |
432 |
MTH void next (); |
433 |
// skip the current key-value (usually fetch next line, for |
434 |
// multiline-fields, skips till the corresponding end-kw |
435 |
MTH void skip (); |
436 |
MTH void skip_block (); // skips till and over KW_end |
437 |
|
438 |
char *get_str () { return value; } // may be 0 |
439 |
void get_ml (keyword kend, shstr &sh); |
440 |
|
441 |
void get_ornull (shstr &sh) const { sh = value; } |
442 |
void get (shstr &sh) const { sh = value; } // might want to check for non-null here |
443 |
|
444 |
bool get_bool () const { return *value_nn == '1'; } |
445 |
sint32 get_sint32 () const; |
446 |
sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); } |
447 |
double get_double () const { return strtod (value_nn, 0); } |
448 |
|
449 |
void get (float &v) { v = get_double (); } |
450 |
void get (double &v) { v = get_double (); } |
451 |
|
452 |
void get (bool &i) { i = get_bool (); } |
453 |
void get (sint8 &i) { i = get_sint32 (); } |
454 |
void get (uint8 &i) { i = get_sint32 (); } |
455 |
void get (sint16 &i) { i = get_sint32 (); } |
456 |
void get (uint16 &i) { i = get_sint32 (); } |
457 |
void get (sint32 &i) { i = get_sint32 (); } |
458 |
|
459 |
void get (uint32 &i) { i = get_sint64 (); } |
460 |
void get (sint64 &i) { i = get_sint64 (); } |
461 |
|
462 |
MTH void parse_warn (const char *msg); |
463 |
MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); |
464 |
|
465 |
struct delayed_ref { |
466 |
attachable *op; |
467 |
object_ptr *ptr; |
468 |
const char *ref; |
469 |
}; |
470 |
std::vector<delayed_ref> delrefs; |
471 |
|
472 |
void delayed_deref (attachable *op, object_ptr &ptr, const char *ref); |
473 |
MTH void resolve_delayed_derefs (bool deref = true); |
474 |
}; |
475 |
|
476 |
//TODO: remove |
477 |
char *fgets (char *s, int n, object_thawer &thawer); |
478 |
|
479 |
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
480 |
|
481 |
struct coroapi { |
482 |
static struct CoroAPI *GCoroAPI; |
483 |
|
484 |
static EV_ATOMIC_T cede_pending; |
485 |
|
486 |
static int nready () { return CORO_NREADY; } |
487 |
static int cede () { cede_pending = 0; return CORO_CEDE ; } |
488 |
|
489 |
static void do_cede_to_tick (); |
490 |
|
491 |
// actually cede's far more often |
492 |
static bool cede_to_tick () |
493 |
{ |
494 |
if (expect_true (!cede_pending)) |
495 |
return false; |
496 |
|
497 |
do_cede_to_tick (); |
498 |
return true; |
499 |
} |
500 |
|
501 |
static void wait_for_tick (); |
502 |
static void wait_for_tick_begin (); |
503 |
}; |
504 |
|
505 |
struct evapi |
506 |
{ |
507 |
static struct EVAPI *GEVAPI; |
508 |
}; |
509 |
|
510 |
struct iow : ev_io, evapi, callback<void (iow &, int)> |
511 |
{ |
512 |
static void thunk (EV_P_ struct ev_io *w_, int revents) |
513 |
{ |
514 |
iow &w = *static_cast<iow *>(w_); |
515 |
|
516 |
w (w, revents); |
517 |
} |
518 |
|
519 |
template<class O, class M> |
520 |
iow (O object, M method) |
521 |
: callback<void (iow &, int)> (object, method) |
522 |
{ |
523 |
ev_init ((ev_io *)this, thunk); |
524 |
} |
525 |
|
526 |
void prio (int prio) |
527 |
{ |
528 |
ev_set_priority ((ev_io *)this, prio); |
529 |
} |
530 |
|
531 |
void set (int fd, int events) |
532 |
{ |
533 |
ev_io_set ((ev_io *)this, fd, events); |
534 |
} |
535 |
|
536 |
int poll () const { return events; } |
537 |
|
538 |
void poll (int events); |
539 |
|
540 |
void start () |
541 |
{ |
542 |
ev_io_start (EV_DEFAULT, (ev_io *)this); |
543 |
} |
544 |
|
545 |
void stop () |
546 |
{ |
547 |
ev_io_stop (EV_DEFAULT, (ev_io *)this); |
548 |
} |
549 |
|
550 |
~iow () |
551 |
{ |
552 |
stop (); |
553 |
} |
554 |
}; |
555 |
|
556 |
struct asyncw : ev_async, evapi, callback<void (ev_async &, int)> |
557 |
{ |
558 |
static void thunk (EV_P_ struct ev_async *w_, int revents) |
559 |
{ |
560 |
asyncw &w = *static_cast<asyncw *>(w_); |
561 |
|
562 |
w (w, revents); |
563 |
} |
564 |
|
565 |
template<class O, class M> |
566 |
asyncw (O object, M method) |
567 |
: callback<void (asyncw &, int)> (object, method) |
568 |
{ |
569 |
ev_init ((ev_async *)this, thunk); |
570 |
} |
571 |
|
572 |
void start () |
573 |
{ |
574 |
ev_async_start (EV_DEFAULT, (ev_async *)this); |
575 |
} |
576 |
|
577 |
void stop () |
578 |
{ |
579 |
ev_async_stop (EV_DEFAULT, (ev_async *)this); |
580 |
} |
581 |
|
582 |
~asyncw () |
583 |
{ |
584 |
stop (); |
585 |
} |
586 |
}; |
587 |
|
588 |
#endif |
589 |
|