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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 (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
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* |
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* Deliantra is free software: you can redistribute it and/or modify it under |
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* the terms of the Affero GNU General Public License as published by the |
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* Free Software Foundation, either version 3 of the License, or (at your |
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* 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 Affero GNU General Public License |
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* and the GNU General Public License along with this program. If not, see |
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* <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 |
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// |
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#ifndef CFPERL_H__ |
27 |
#define CFPERL_H__ |
28 |
|
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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; |
34 |
|
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#include <EXTERN.h> |
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#include <perl.h> |
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#include <XSUB.h> |
38 |
|
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#include <EVAPI.h> |
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#include <CoroAPI.h> |
41 |
|
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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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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
48 |
|
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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 |
70 |
// but does not initialise their state structures. |
71 |
#undef random |
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#undef crypt |
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|
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
75 |
|
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#define _(msg) (msg) |
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#define N_(msg) (msg) |
78 |
|
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
80 |
|
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// some macros to simplify perl in-calls |
82 |
|
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#define CHECK_ERROR \ |
84 |
if (SvTRUE (ERRSV)) \ |
85 |
LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV)); |
86 |
|
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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); |
103 |
void cfperl_make_book (object *book, int level); |
104 |
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 |
110 |
bool match (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0); |
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// same as above, but returns the first object found, or 0 |
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object *match_one (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0); |
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|
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
115 |
|
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#if IVSIZE >= 8 |
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typedef IV val64; |
118 |
typedef IV uval64; |
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# define newSVval64 newSViv |
120 |
# 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; |
125 |
typedef double uval64; |
126 |
# define newSVval64 newSVnv |
127 |
# define SvVAL64 SvNV |
128 |
# define newSVuval64 newSVnv |
129 |
# define SvUVAL64 SvNV |
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#endif |
131 |
|
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extern tstamp runtime; // virtual server time, excluding time jumps and lag |
133 |
extern tstamp NOW; // real time of current server tick |
134 |
|
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enum event_klass |
136 |
{ |
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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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}; |
146 |
|
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enum event_type |
148 |
{ |
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# define def(klass,name) EVENT_ ## klass ## _ ## name, |
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# include "eventinc.h" |
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# undef def |
152 |
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 |
156 |
extern bitset<NUM_EVENT_TYPES> ev_want_event; |
157 |
extern bitset<NUM_TYPES> ev_want_type; |
158 |
|
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#define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
160 |
#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) |
165 |
#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)) |
168 |
#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)) |
170 |
#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)) |
172 |
|
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// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
174 |
#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0) |
175 |
#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) |
176 |
#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__) |
177 |
#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__) |
178 |
#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__) |
179 |
#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__) |
180 |
#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__) |
181 |
|
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//TODO should index into @result |
183 |
#define RESULT(idx,type) cfperl_result_ ## type (idx) |
184 |
#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) |
185 |
#define RESULT_INT(idx) RESULT(idx, INT) |
186 |
|
187 |
double cfperl_result_DOUBLE (int idx); |
188 |
int cfperl_result_INT (int idx); |
189 |
|
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
191 |
|
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INTERFACE_CLASS (attachable) |
193 |
struct attachable : refcnt_base |
194 |
{ |
195 |
static MGVTBL vtbl; |
196 |
|
197 |
enum { |
198 |
F_DESTROYED = 0x01, |
199 |
F_DEBUG_TRACE = 0x02, |
200 |
}; |
201 |
uint8 ACC (RW, flags); |
202 |
|
203 |
static unordered_vector<attachable *> mortals; |
204 |
MTH static void check_mortals (); |
205 |
|
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// object is delete'd after the refcount reaches 0 |
207 |
MTH int refcnt_cnt () const; |
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// check wether the object has died and destroy |
209 |
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 |
212 |
// this politely asks everybody interested the reduce |
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// the refcount to 0 as soon as possible. |
214 |
MTH void destroy (); |
215 |
|
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// return wether an object was destroyed already |
217 |
MTH bool destroyed () const { return flags & F_DESTROYED; } |
218 |
|
219 |
virtual void gather_callbacks (AV *&callbacks, event_type event) const; |
220 |
|
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#if 0 |
222 |
private: |
223 |
static refcounted *rc_first; |
224 |
refcounted *rc_next; |
225 |
#endif |
226 |
|
227 |
HV *self; // CF+ perl self |
228 |
AV *cb; // CF+ callbacks |
229 |
shstr attach; // generic extension attachment information |
230 |
|
231 |
void sever_self (); // sever this object from its self, if it has one. |
232 |
void optimise (); // possibly save some memory by destroying unneeded data |
233 |
|
234 |
attachable () |
235 |
: flags (0), self (0), cb (0), attach (0) |
236 |
{ |
237 |
} |
238 |
|
239 |
attachable (const attachable &src) |
240 |
: flags (0), self (0), cb (0), attach (src.attach) |
241 |
{ |
242 |
} |
243 |
|
244 |
// set a custom key to the given value, or delete it if value = 0 |
245 |
void set_key (const char *key, const char *value = 0, bool is_utf8 = 0); |
246 |
|
247 |
void set_key_text (const char *key, const char *value = 0) |
248 |
{ |
249 |
set_key (key, value, 1); |
250 |
} |
251 |
|
252 |
void set_key_data (const char *key, const char *value = 0) |
253 |
{ |
254 |
set_key (key, value, 0); |
255 |
} |
256 |
|
257 |
attachable &operator =(const attachable &src); |
258 |
|
259 |
// used to _quickly_ device wether to shortcut the evaluation |
260 |
bool should_invoke (event_type event) |
261 |
{ |
262 |
return ev_want_event [event] || cb; |
263 |
} |
264 |
|
265 |
bool invoke (event_type event, ...); |
266 |
|
267 |
MTH void instantiate (); |
268 |
void reattach (); |
269 |
|
270 |
protected: |
271 |
// do the real refcount checking work |
272 |
void do_check (); |
273 |
|
274 |
// the method that does the real destroy work |
275 |
virtual void do_destroy (); |
276 |
|
277 |
// destructor is protected, should not be called by anybody |
278 |
virtual ~attachable (); |
279 |
}; |
280 |
|
281 |
// the global object is a pseudo object that cares for the global events |
282 |
struct global : attachable |
283 |
{ |
284 |
void gather_callbacks (AV *&callbacks, event_type event) const; |
285 |
}; |
286 |
|
287 |
extern struct global gbl_ev; |
288 |
|
289 |
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
290 |
|
291 |
INTERFACE_CLASS(object_freezer) |
292 |
struct object_freezer : dynbuf_text |
293 |
{ |
294 |
AV *av; |
295 |
|
296 |
object_freezer (); |
297 |
~object_freezer (); |
298 |
|
299 |
void put (attachable *ext); |
300 |
|
301 |
// used only for user-defined key-value pairs |
302 |
void put (shstr_tmp k, shstr_tmp v) |
303 |
{ |
304 |
add (k); |
305 |
|
306 |
if (expect_true (v)) |
307 |
add (' '), add (v); |
308 |
|
309 |
add ('\n'); |
310 |
} |
311 |
|
312 |
template<typename T> |
313 |
void put_kw_string (keyword k, const T &v) |
314 |
{ |
315 |
int klen = keyword_len [k]; |
316 |
int vlen = v ? strlen (v) + 1 : 0; |
317 |
|
318 |
char *p = (char *)alloc (klen + vlen + 1); |
319 |
|
320 |
memcpy (p, keyword_str [k], klen); p += klen; |
321 |
|
322 |
if (expect_true (v)) |
323 |
{ |
324 |
*p++ = ' '; vlen--; |
325 |
memcpy (p, v, vlen); p += vlen; |
326 |
} |
327 |
|
328 |
*p = '\n'; |
329 |
} |
330 |
|
331 |
void put (keyword k, const char *v = 0) |
332 |
{ |
333 |
put_kw_string (k, v); |
334 |
} |
335 |
|
336 |
void put (keyword k, shstr_tmp v) |
337 |
{ |
338 |
put_kw_string (k, v); |
339 |
} |
340 |
|
341 |
void put (keyword k, double v) |
342 |
{ |
343 |
force (MAX_KEYWORD_LEN + 2 + 32); |
344 |
fadd (keyword_str [k], keyword_len [k]); |
345 |
fadd (' '); |
346 |
falloc (sprintf (ptr, "%.7g", v)); |
347 |
fadd ('\n'); |
348 |
} |
349 |
|
350 |
void put_(keyword k, sint64 v) |
351 |
{ |
352 |
force (MAX_KEYWORD_LEN + 2 + sint64_digits); |
353 |
fadd (keyword_str [k], keyword_len [k]); |
354 |
fadd (' '); |
355 |
add (v); |
356 |
fadd ('\n'); |
357 |
} |
358 |
|
359 |
void put_(keyword k, sint32 v) |
360 |
{ |
361 |
force (MAX_KEYWORD_LEN + 2 + sint32_digits); |
362 |
fadd (keyword_str [k], keyword_len [k]); |
363 |
fadd (' '); |
364 |
add (v); |
365 |
fadd ('\n'); |
366 |
} |
367 |
|
368 |
void put (keyword k, float v) { put (k, (double)v); } |
369 |
void put (keyword k, signed char v) { put_(k, (sint32)v); } |
370 |
void put (keyword k, unsigned char v) { put_(k, (sint32)v); } |
371 |
void put (keyword k, signed short v) { put_(k, (sint32)v); } |
372 |
void put (keyword k, unsigned short v) { put_(k, (sint32)v); } |
373 |
void put (keyword k, signed int v) { put_(k, (sint32)v); } |
374 |
void put (keyword k, unsigned int v) { put_(k, (sint64)v); } |
375 |
void put (keyword k, signed long v) { put_(k, (sint64)v); } |
376 |
void put (keyword k, unsigned long v) { put_(k, (sint64)v); } |
377 |
void put (keyword k, signed long long v) { put_(k, (sint64)v); } |
378 |
void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
379 |
|
380 |
void put (keyword kbeg, keyword kend, shstr_tmp v) |
381 |
{ |
382 |
force (MAX_KEYWORD_LEN + 1); |
383 |
fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n'); |
384 |
|
385 |
if (expect_true (v)) |
386 |
{ |
387 |
add (v); |
388 |
add ('\n'); |
389 |
} |
390 |
|
391 |
force (MAX_KEYWORD_LEN + 1); |
392 |
fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n'); |
393 |
} |
394 |
|
395 |
void put (keyword k, archetype *v); |
396 |
void put (keyword k, treasurelist *v); |
397 |
void put (keyword k, faceinfo *v); |
398 |
|
399 |
template<typename T> |
400 |
void put (keyword k, const refptr<T> &v) |
401 |
{ |
402 |
put (k, (T *)v); |
403 |
} |
404 |
|
405 |
MTH bool save (const_octet_string path); |
406 |
char *as_string (); // like strdup |
407 |
|
408 |
operator bool () { return !!av; } |
409 |
}; |
410 |
|
411 |
INTERFACE_CLASS(object_thawer) |
412 |
struct object_thawer |
413 |
{ |
414 |
char *line; // current beginning of line |
415 |
SV *text; // text part |
416 |
AV *av; // perl part |
417 |
int linenum; |
418 |
keyword kw; |
419 |
char *kw_str; // the keyword parsed, as string |
420 |
char *value; // the value, or 0 if no value |
421 |
const char *value_nn; // the value, or the empty string if no value |
422 |
const char *name; |
423 |
|
424 |
operator bool () const { return !!text; } |
425 |
|
426 |
object_thawer (const char *path = 0); |
427 |
object_thawer (const char *data, AV *perlav); |
428 |
~object_thawer (); |
429 |
|
430 |
void get (attachable *obj, int oid); |
431 |
|
432 |
// parse next line |
433 |
MTH void next (); |
434 |
// skip the current key-value (usually fetch next line, for |
435 |
// multiline-fields, skips till the corresponding end-kw |
436 |
MTH void skip (); |
437 |
MTH void skip_block (); // skips till and over KW_end |
438 |
|
439 |
char *get_str () { return value; } // may be 0 |
440 |
void get_ml (keyword kend, shstr &sh); |
441 |
|
442 |
void get_ornull (shstr &sh) const { sh = value; } |
443 |
void get (shstr &sh) const { sh = value; } // might want to check for non-null here |
444 |
|
445 |
bool get_bool () const { return *value_nn == '1'; } |
446 |
sint32 get_sint32 () const; |
447 |
sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); } |
448 |
double get_double () const { return strtod (value_nn, 0); } |
449 |
|
450 |
void get (float &v) { v = get_double (); } |
451 |
void get (double &v) { v = get_double (); } |
452 |
|
453 |
void get (bool &i) { i = get_bool (); } |
454 |
void get (sint8 &i) { i = get_sint32 (); } |
455 |
void get (uint8 &i) { i = get_sint32 (); } |
456 |
void get (sint16 &i) { i = get_sint32 (); } |
457 |
void get (uint16 &i) { i = get_sint32 (); } |
458 |
void get (sint32 &i) { i = get_sint32 (); } |
459 |
|
460 |
void get (uint32 &i) { i = get_sint64 (); } |
461 |
void get (sint64 &i) { i = get_sint64 (); } |
462 |
|
463 |
MTH void parse_warn (const char *msg); |
464 |
MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); |
465 |
|
466 |
struct delayed_ref { |
467 |
attachable *op; |
468 |
object_ptr *ptr; |
469 |
const char *ref; |
470 |
}; |
471 |
std::vector<delayed_ref> delrefs; |
472 |
|
473 |
void delayed_deref (attachable *op, object_ptr &ptr, const char *ref); |
474 |
MTH void resolve_delayed_derefs (bool deref = true); |
475 |
}; |
476 |
|
477 |
//TODO: remove |
478 |
char *fgets (char *s, int n, object_thawer &thawer); |
479 |
|
480 |
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
481 |
|
482 |
struct coroapi { |
483 |
static struct CoroAPI *GCoroAPI; |
484 |
|
485 |
static EV_ATOMIC_T cede_pending; |
486 |
|
487 |
static int nready () { return CORO_NREADY; } |
488 |
static int cede () { cede_pending = 0; return CORO_CEDE ; } |
489 |
|
490 |
static void do_cede_to_tick (); |
491 |
|
492 |
// actually cede's far more often |
493 |
static bool cede_to_tick () |
494 |
{ |
495 |
if (expect_true (!cede_pending)) |
496 |
return false; |
497 |
|
498 |
do_cede_to_tick (); |
499 |
return true; |
500 |
} |
501 |
|
502 |
static void wait_for_tick (); |
503 |
static void wait_for_tick_begin (); |
504 |
}; |
505 |
|
506 |
struct evapi |
507 |
{ |
508 |
static struct EVAPI *GEVAPI; |
509 |
}; |
510 |
|
511 |
struct iow : ev_io, evapi, callback<void (iow &, int)> |
512 |
{ |
513 |
static void thunk (EV_P_ struct ev_io *w_, int revents) |
514 |
{ |
515 |
iow &w = *static_cast<iow *>(w_); |
516 |
|
517 |
w (w, revents); |
518 |
} |
519 |
|
520 |
template<class O, class M> |
521 |
iow (O object, M method) |
522 |
: callback<void (iow &, int)> (object, method) |
523 |
{ |
524 |
ev_init ((ev_io *)this, thunk); |
525 |
} |
526 |
|
527 |
void prio (int prio) |
528 |
{ |
529 |
ev_set_priority ((ev_io *)this, prio); |
530 |
} |
531 |
|
532 |
void set (int fd, int events) |
533 |
{ |
534 |
ev_io_set ((ev_io *)this, fd, events); |
535 |
} |
536 |
|
537 |
int poll () const { return events; } |
538 |
|
539 |
void poll (int events); |
540 |
|
541 |
void start () |
542 |
{ |
543 |
ev_io_start (EV_DEFAULT, (ev_io *)this); |
544 |
} |
545 |
|
546 |
void stop () |
547 |
{ |
548 |
ev_io_stop (EV_DEFAULT, (ev_io *)this); |
549 |
} |
550 |
|
551 |
~iow () |
552 |
{ |
553 |
stop (); |
554 |
} |
555 |
}; |
556 |
|
557 |
struct asyncw : ev_async, evapi, callback<void (ev_async &, int)> |
558 |
{ |
559 |
static void thunk (EV_P_ struct ev_async *w_, int revents) |
560 |
{ |
561 |
asyncw &w = *static_cast<asyncw *>(w_); |
562 |
|
563 |
w (w, revents); |
564 |
} |
565 |
|
566 |
template<class O, class M> |
567 |
asyncw (O object, M method) |
568 |
: callback<void (asyncw &, int)> (object, method) |
569 |
{ |
570 |
ev_init ((ev_async *)this, thunk); |
571 |
} |
572 |
|
573 |
void start () |
574 |
{ |
575 |
ev_async_start (EV_DEFAULT, (ev_async *)this); |
576 |
} |
577 |
|
578 |
void stop () |
579 |
{ |
580 |
ev_async_stop (EV_DEFAULT, (ev_async *)this); |
581 |
} |
582 |
|
583 |
~asyncw () |
584 |
{ |
585 |
stop (); |
586 |
} |
587 |
}; |
588 |
|
589 |
#endif |
590 |
|