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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.63 by root, Mon Apr 23 18:09:57 2007 UTC vs.
Revision 1.100 by root, Sun Nov 16 03:52:12 2008 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
8 * Deliantra is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 *
21 * The authors can be reached via e-mail to <support@deliantra.net>
22 */
23
1// 24//
2// cfperl.h perl interface 25// cfperl.h perl interface
3// 26//
4#ifndef CFPERL_H__ 27#ifndef CFPERL_H__
5#define CFPERL_H__ 28#define CFPERL_H__
6 29
30#include <cstdarg>
7#include <cstdio> 31#include <cstdio>
32#include <bitset>
8 33
9using namespace std; 34using namespace std;
10 35
11#include <EXTERN.h> 36#include <EXTERN.h>
12#include <perl.h> 37#include <perl.h>
13#include <XSUB.h> 38#include <XSUB.h>
14 39
15#include <EventAPI.h> 40#include <EVAPI.h>
16#include <CoroAPI.h> 41#include <CoroAPI.h>
17 42
18#include "util.h" 43#include "util.h"
19#include "keyword.h" 44#include "keyword.h"
20#include "dynbuf.h" 45#include "dynbuf.h"
… …
25// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
26#undef localtime 51#undef localtime
27#undef srand48 52#undef srand48
28#undef drand48 53#undef drand48
29#undef srandom 54#undef srandom
55#undef opendir
30#undef readdir 56#undef readdir
57#undef closedir
31#undef getprotobyname 58#undef getprotobyname
32#undef gethostbyname 59#undef gethostbyname
33#undef ctime 60#undef ctime
34#undef strerror 61#undef strerror
62#undef _
35 63
36// same here, massive symbol spamming 64// same here, massive symbol spamming
37#undef do_open 65#undef do_open
38#undef do_close 66#undef do_close
39#undef ref 67#undef ref
… …
44#undef random 72#undef random
45#undef crypt 73#undef crypt
46 74
47////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 75//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
48 76
77#define _(msg) (msg)
78#define N_(msg) (msg)
79
80//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
81
49// some macros to simplify perl in-calls 82// some macros to simplify perl in-calls
50 83
51#define CHECK_ERROR \ 84#define CHECK_ERROR \
52 if (SvTRUE (ERRSV)) \ 85 if (SvTRUE (ERRSV)) \
53 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 86 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
54 87
55#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 88#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
56#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc 89#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
57#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 90#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
58#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN; 91#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
… …
60 93
61////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 94//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62 95
63void cfperl_init (); 96void cfperl_init ();
64void cfperl_main (); 97void cfperl_main ();
98void cfperl_tick ();
65void cfperl_emergency_save (); 99void cfperl_emergency_save ();
66void cfperl_cleanup (int make_core); 100void cfperl_cleanup (int make_core);
101void cfperl_make_book (object *book, int level);
102void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
103int cfperl_can_merge (object *ob1, object *ob2);
67 104
68////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 105//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
69 106
107#if IVSIZE >= 8
108 typedef IV val64;
109 typedef IV uval64;
110# define newSVval64 newSViv
111# define SvVAL64 SvIV
112# define newSVuval64 newSVuv
113# define SvUVAL64 SvUV
114#else
115 typedef double val64;
116 typedef double uval64;
117# define newSVval64 newSVnv
118# define SvVAL64 SvNV
119# define newSVuval64 newSVnv
120# define SvUVAL64 SvNV
121#endif
122
70// virtual server time, excluding time jumps and lag 123extern tstamp runtime; // virtual server time, excluding time jumps and lag
71extern double runtime; 124extern tstamp NOW; // real time of current server tick
72 125
73enum event_klass 126enum event_klass
74{ 127{
75 KLASS_NONE, 128 KLASS_NONE,
76 KLASS_GLOBAL, 129 KLASS_GLOBAL,
… …
87# define def(klass,name) EVENT_ ## klass ## _ ## name, 140# define def(klass,name) EVENT_ ## klass ## _ ## name,
88# include "eventinc.h" 141# include "eventinc.h"
89# undef def 142# undef def
90 NUM_EVENT_TYPES 143 NUM_EVENT_TYPES
91}; 144};
145
146// in which global events or per-type events are we interested
147extern bitset<NUM_EVENT_TYPES> ev_want_event;
148extern bitset<NUM_TYPES> ev_want_type;
92 149
93#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 150#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
94#define ARG_INT(v) DT_INT , static_cast<int> (v) 151#define ARG_INT(v) DT_INT , static_cast<int> (v)
95#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 152#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
96#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 153#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
… …
103#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 160#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
104#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 161#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
105#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 162#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
106 163
107// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 164// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
108 165#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
109// all these return true when the normal event processing should be skipped (if any)
110#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) 166#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
111#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) 167#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
112#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) 168#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
113#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) 169#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
114#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) 170#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
115#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) 171#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
116 172
117//TODO should index into @result 173//TODO should index into @result
118#define RESULT(idx,type) cfperl_result_ ## type (idx) 174#define RESULT(idx,type) cfperl_result_ ## type (idx)
119#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 175#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
120#define RESULT_INT(idx) RESULT(idx, INT) 176#define RESULT_INT(idx) RESULT(idx, INT)
… …
123int cfperl_result_INT (int idx); 179int cfperl_result_INT (int idx);
124 180
125////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 181//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
126 182
127INTERFACE_CLASS (attachable) 183INTERFACE_CLASS (attachable)
128struct attachable 184struct attachable : refcnt_base
129{ 185{
130 static MGVTBL vtbl; 186 static MGVTBL vtbl;
131
132 static unordered_vector<attachable *> mortals;
133 MTH static void check_mortals ();
134 187
135 enum { 188 enum {
136 F_DESTROYED = 0x01, 189 F_DESTROYED = 0x01,
137 F_DEBUG_TRACE = 0x02, 190 F_DEBUG_TRACE = 0x02,
138 }; 191 };
192 uint8 ACC (RW, flags);
193
194 static unordered_vector<attachable *> mortals;
195 MTH static void check_mortals ();
139 196
140 // object is delete'd after the refcount reaches 0 197 // object is delete'd after the refcount reaches 0
141 int ACC (RW, flags);
142 mutable int ACC (RW, refcnt);
143
144 MTH void refcnt_inc () const { ++refcnt; }
145 MTH void refcnt_dec () const { --refcnt; }
146
147 MTH int refcnt_cnt () const; 198 MTH int refcnt_cnt () const;
148 // check wether the object has died and destroy 199 // check wether the object has died and destroy
149 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 200 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
150 201
151 // destroy the object unless it was already destroyed 202 // destroy the object unless it was already destroyed
152 // this politely asks everybody interested the reduce 203 // this politely asks everybody interested the reduce
153 // the refcount to 0 as soon as possible. 204 // the refcount to 0 as soon as possible.
154 MTH void destroy (); 205 MTH void destroy ();
… …
170 221
171 void sever_self (); // sever this object from its self, if it has one. 222 void sever_self (); // sever this object from its self, if it has one.
172 void optimise (); // possibly save some memory by destroying unneeded data 223 void optimise (); // possibly save some memory by destroying unneeded data
173 224
174 attachable () 225 attachable ()
175 : flags (0), refcnt (0), self (0), cb (0), attach (0) 226 : flags (0), self (0), cb (0), attach (0)
176 { 227 {
177 } 228 }
178 229
179 attachable (const attachable &src) 230 attachable (const attachable &src)
180 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 231 : flags (0), self (0), cb (0), attach (src.attach)
181 { 232 {
182 } 233 }
183 234
184 virtual ~attachable (); 235 // set a custom key to the given value, or delete it if value = 0
236 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
237
238 void set_key_text (const char *key, const char *value = 0)
239 {
240 set_key (key, value, 1);
241 }
242
243 void set_key_data (const char *key, const char *value = 0)
244 {
245 set_key (key, value, 0);
246 }
185 247
186 attachable &operator =(const attachable &src); 248 attachable &operator =(const attachable &src);
187 249
250 // used to _quickly_ device wether to shortcut the evaluation
251 bool should_invoke (event_type event)
252 {
253 return ev_want_event [event] || cb;
254 }
255
188 bool invoke (event_type event, ...); 256 bool invoke (event_type event, ...);
257
189 MTH void instantiate (); 258 MTH void instantiate ();
190 void reattach (); 259 void reattach ();
191 260
192protected: 261protected:
193 // do the real refcount checking work 262 // do the real refcount checking work
194 void do_check (); 263 void do_check ();
195 264
196 // the method that does the real destroy work 265 // the method that does the real destroy work
197 virtual void do_destroy (); 266 virtual void do_destroy ();
267
268 // destructor is protected, should not be called by anybody
269 virtual ~attachable ();
198}; 270};
199 271
200// the global object is a pseudo object that cares for the global events 272// the global object is a pseudo object that cares for the global events
201struct global : attachable 273struct global : attachable
202{ 274{
… …
205 277
206extern struct global gbl_ev; 278extern struct global gbl_ev;
207 279
208////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 280//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
209 281
282INTERFACE_CLASS(object_freezer)
210struct object_freezer : dynbuf_text 283struct object_freezer : dynbuf_text
211{ 284{
212 AV *av; 285 AV *av;
213 286
214 object_freezer (); 287 object_freezer ();
… …
219 // used only for user-defined key-value pairs 292 // used only for user-defined key-value pairs
220 void put (const shstr &k, const shstr &v) 293 void put (const shstr &k, const shstr &v)
221 { 294 {
222 add (k); 295 add (k);
223 296
224 if (v) 297 if (expect_true (v))
225 add (' '), add (v); 298 add (' '), add (v);
226 299
227 add ('\n'); 300 add ('\n');
228 } 301 }
229 302
230 //TODO//temporary, used only for saving body locations
231 void put (const char *k, int v)
232 {
233 add (k);
234 add (' ');
235 add (sint32 (v));
236 add ('\n');
237 }
238
239 template<typename T> 303 template<typename T>
240 void put_string (keyword k, const T &v) 304 void put_kw_string (keyword k, const T &v)
241 { 305 {
242 int klen = keyword_len [k]; 306 int klen = keyword_len [k];
243 int vlen = v ? strlen (v) + 1 : 0; 307 int vlen = v ? strlen (v) + 1 : 0;
244 308
245 char *p = (char *)alloc (klen + vlen + 1); 309 char *p = (char *)alloc (klen + vlen + 1);
246 310
247 memcpy (p, keyword_str [k], klen); p += klen; 311 memcpy (p, keyword_str [k], klen); p += klen;
248 312
249 if (v) 313 if (expect_true (v))
250 { 314 {
251 *p++ = ' '; vlen--; 315 *p++ = ' '; vlen--;
252 memcpy (p, v, vlen); p += vlen; 316 memcpy (p, v, vlen); p += vlen;
253 } 317 }
254 318
255 *p = '\n'; 319 *p = '\n';
256 } 320 }
257 321
258 void put (keyword k, const char *v = 0) 322 void put (keyword k, const char *v = 0)
259 { 323 {
260 put_string (k, v); 324 put_kw_string (k, v);
261 } 325 }
262 326
263 void put (keyword k, const shstr &v) 327 void put (keyword k, const shstr &v)
264 { 328 {
265 put_string (k, v); 329 put_kw_string (k, v);
266 } 330 }
267 331
268 void put (keyword k, double v) 332 void put (keyword k, double v)
269 { 333 {
270 char buf [128]; 334 force (MAX_KEYWORD_LEN + 2 + 32);
271 335 fadd (keyword_str [k], keyword_len [k]);
272 snprintf (buf, 128, "%.7g", v); 336 fadd (' ');
273 337 falloc (sprintf (ptr, "%.7g", v));
274 put (k, (const char *)buf); 338 fadd ('\n');
275 } 339 }
276 340
277 void put_(keyword k, sint64 v) 341 void put_(keyword k, sint64 v)
278 { 342 {
343 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
279 add (keyword_str [k], keyword_len [k]); 344 fadd (keyword_str [k], keyword_len [k]);
280 add (' '); 345 fadd (' ');
281 add (v); 346 add (v);
282 add ('\n'); 347 fadd ('\n');
283 } 348 }
284 349
285 void put_(keyword k, sint32 v) 350 void put_(keyword k, sint32 v)
286 { 351 {
352 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
287 add (keyword_str [k], keyword_len [k]); 353 fadd (keyword_str [k], keyword_len [k]);
288 add (' '); 354 fadd (' ');
289 add (v); 355 add (v);
290 add ('\n'); 356 fadd ('\n');
291 }
292
293 void put (keyword kbeg, keyword kend, const shstr &v)
294 {
295 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
296
297 if (v)
298 {
299 add (v);
300 add ('\n');
301 }
302
303 add (keyword_str [kend], keyword_len [kend]); add ('\n');
304 } 357 }
305 358
306 void put (keyword k, float v) { put (k, (double)v); } 359 void put (keyword k, float v) { put (k, (double)v); }
307 void put (keyword k, signed char v) { put_(k, (sint32)v); } 360 void put (keyword k, signed char v) { put_(k, (sint32)v); }
308 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 361 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
313 void put (keyword k, signed long v) { put_(k, (sint64)v); } 366 void put (keyword k, signed long v) { put_(k, (sint64)v); }
314 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 367 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
315 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 368 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
316 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 369 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
317 370
318 template<typename T> 371 void put (keyword kbeg, keyword kend, const shstr &v)
372 {
373 force (MAX_KEYWORD_LEN + 1);
374 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
375
376 if (expect_true (v))
377 {
378 add (v);
379 add ('\n');
380 }
381
382 force (MAX_KEYWORD_LEN + 1);
383 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
384 }
385
386 void put (keyword k, archetype *v);
387 void put (keyword k, treasurelist *v);
319 void put (keyword k, const T *v) 388 void put (keyword k, faceinfo *v);
320 {
321 if (v)
322 put (k, v->name);
323 else
324 put (k, (const char *)0);
325 }
326 389
327 template<typename T> 390 template<typename T>
328 void put (keyword k, const refptr<T> &v) 391 void put (keyword k, const refptr<T> &v)
329 { 392 {
330 put (k, (T *)v); 393 put (k, (T *)v);
331 } 394 }
332 395
333 bool save (const char *path); 396 MTH bool save (const_octet_string path);
334 char *as_string (); // like strdup 397 char *as_string (); // like strdup
335 398
336 operator bool () { return !!av; } 399 operator bool () { return !!av; }
337}; 400};
338 401
339// compatibility support, should be removed when no longer needed 402INTERFACE_CLASS(object_thawer)
340void fprintf (object_freezer &freezer, const char *format, ...);
341void fputs (const char *s, object_freezer &freezer);
342
343struct object_thawer 403struct object_thawer
344{ 404{
405 char *line; // current beginning of line
345 SV *text; // text part 406 SV *text; // text part
346 AV *av; // perl part 407 AV *av; // perl part
347 int linenum; 408 int linenum;
348 char *line; // current beginning of line
349 keyword kw; 409 keyword kw;
350 char *kw_str, *value; 410 char *kw_str; // the keyword parsed, as string
411 char *value; // the value, or 0 if no value
412 const char *value_nn; // the value, or the empty string if no value
351 const char *name; 413 const char *name;
352 414
353 operator bool () { return !!text; } 415 operator bool () const { return !!text; }
354 416
355 object_thawer (const char *path = 0); 417 object_thawer (const char *path = 0);
356 object_thawer (const char *data, AV *perlav); 418 object_thawer (const char *data, AV *perlav);
357 ~object_thawer (); 419 ~object_thawer ();
358 420
359 void get (attachable *obj, int oid); 421 void get (attachable *obj, int oid);
360 422
361 // parse next line 423 // parse next line
362 void next (); 424 MTH void next ();
363 // skip the current key-value (usually fetch next line, for 425 // skip the current key-value (usually fetch next line, for
364 // multiline-fields, skips untilt he corresponding end-kw 426 // multiline-fields, skips till the corresponding end-kw
365 void skip (); 427 MTH void skip ();
366 428 MTH void skip_block (); // skips till and over KW_end
367 //TODO: remove, deprecated
368 keyword get_kv ()
369 {
370 next ();
371 return kw;
372 }
373 429
374 char *get_str () { return value; } // may be 0 430 char *get_str () { return value; } // may be 0
431 void get_ml (keyword kend, shstr &sh);
375 432
376 void get (shstr &sh) const;
377 void get_ornull (shstr &sh) const { sh = value; } 433 void get_ornull (shstr &sh) const { sh = value; }
378 void get_ml (keyword kend, shstr &sh); 434 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
379 435
436 bool get_bool () const { return *value_nn == '1'; }
380 sint32 get_sint32 () const; 437 sint32 get_sint32 () const;
381 sint64 get_sint64 () const; 438 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
382 double get_double () const; 439 double get_double () const { return strtod (value_nn, 0); }
383 440
384 void get (float &v) { v = get_double (); } 441 void get (float &v) { v = get_double (); }
385 void get (double &v) { v = get_double (); } 442 void get (double &v) { v = get_double (); }
386 443
387 void get (bool &i) { i = get_sint32 (); } 444 void get (bool &i) { i = get_bool (); }
388 void get (sint8 &i) { i = get_sint32 (); } 445 void get (sint8 &i) { i = get_sint32 (); }
389 void get (uint8 &i) { i = get_sint32 (); } 446 void get (uint8 &i) { i = get_sint32 (); }
390 void get (sint16 &i) { i = get_sint32 (); } 447 void get (sint16 &i) { i = get_sint32 (); }
391 void get (uint16 &i) { i = get_sint32 (); } 448 void get (uint16 &i) { i = get_sint32 (); }
392 void get (sint32 &i) { i = get_sint32 (); } 449 void get (sint32 &i) { i = get_sint32 (); }
393 450
394 void get (uint32 &i) { i = get_sint64 (); } 451 void get (uint32 &i) { i = get_sint64 (); }
395 void get (sint64 &i) { i = get_sint64 (); } 452 void get (sint64 &i) { i = get_sint64 (); }
396 453
454 MTH void parse_warn (const char *msg);
397 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 455 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
456
457 struct delayed_ref {
458 attachable *op;
459 object_ptr *ptr;
460 const char *ref;
461 };
462 std::vector<delayed_ref> delrefs;
463
464 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
465 MTH void resolve_delayed_derefs (bool deref = true);
398}; 466};
399 467
400//TODO: remove 468//TODO: remove
401char *fgets (char *s, int n, object_thawer &thawer); 469char *fgets (char *s, int n, object_thawer &thawer);
402 470
403////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 471//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
404 472
405struct coroapi { 473struct coroapi {
406 static struct CoroAPI *GCoroAPI; 474 static struct CoroAPI *GCoroAPI;
407 475
476 static EV_ATOMIC_T cede_pending;
477
408 static int nready () { return CORO_NREADY; } 478 static int nready () { return CORO_NREADY; }
409 static int cede () { return CORO_CEDE ; } 479 static int cede () { cede_pending = 0; return CORO_CEDE ; }
410 480
411 static double (*time)();
412 static double next_cede;
413 static int cede_counter;
414
415 static void do_cede_every ();
416 static void do_cede_to_tick (); 481 static void do_cede_to_tick ();
417 static void do_cede_to_tick_every ();
418 482
419 static void cede_every (int count) 483 // actually cede's far more often
420 {
421 if (++cede_counter >= count)
422 do_cede_every ();
423 }
424
425 static void cede_to_tick () 484 static bool cede_to_tick ()
426 { 485 {
427 if (time () >= next_cede) 486 if (expect_true (!cede_pending))
487 return false;
488
428 do_cede_to_tick (); 489 do_cede_to_tick ();
429 } 490 return true;
430
431 static void cede_to_tick_every (int count)
432 {
433 if (++cede_counter >= count)
434 cede_to_tick ();
435 } 491 }
436 492
437 static void wait_for_tick (); 493 static void wait_for_tick ();
438 static void wait_for_tick_begin (); 494 static void wait_for_tick_begin ();
439}; 495};
440 496
441struct watcher_base 497struct evapi
442{ 498{
443 static struct EventAPI *GEventAPI; 499 static struct EVAPI *GEVAPI;
444}; 500};
445 501
446template<class base>
447struct watcher : watcher_base
448{
449 base *pe;
450
451 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
452 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
453 void now () { GEventAPI->now ((pe_watcher *)pe); }
454 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
455 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
456
457 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
458
459 ~watcher ()
460 {
461 cancel ();
462 }
463
464private:
465 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
466};
467
468struct iw : watcher<pe_idle>, callback<void (iw &)>
469{
470 template<class O, class M>
471 iw (O object, M method)
472 : callback<void (iw &)> (object, method)
473 {
474 alloc ();
475 }
476
477private:
478 void alloc ();
479};
480
481struct iow : watcher<pe_io>, callback<void (iow &, int)> 502struct iow : ev_io, evapi, callback<void (iow &, int)>
482{ 503{
504 static void thunk (EV_P_ struct ev_io *w_, int revents)
505 {
506 iow &w = *static_cast<iow *>(w_);
507
508 w (w, revents);
509 }
510
483 template<class O, class M> 511 template<class O, class M>
484 iow (O object, M method) 512 iow (O object, M method)
485 : callback<void (iow &, int)> (object, method) 513 : callback<void (iow &, int)> (object, method)
486 { 514 {
487 alloc (); 515 ev_init ((ev_io *)this, thunk);
488 } 516 }
489 517
490 void fd (int fd); 518 void prio (int prio)
491 int poll (); 519 {
520 ev_set_priority ((ev_io *)this, prio);
521 }
522
523 void set (int fd, int events)
524 {
525 ev_io_set ((ev_io *)this, fd, events);
526 }
527
528 int poll () const { return events; }
529
492 void poll (int events); 530 void poll (int events);
493 531
494private: 532 void start ()
495 void alloc (); 533 {
534 ev_io_start (EV_DEFAULT, (ev_io *)this);
535 }
536
537 void stop ()
538 {
539 ev_io_stop (EV_DEFAULT, (ev_io *)this);
540 }
541
542 ~iow ()
543 {
544 stop ();
545 }
546};
547
548struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
549{
550 static void thunk (EV_P_ struct ev_async *w_, int revents)
551 {
552 asyncw &w = *static_cast<asyncw *>(w_);
553
554 w (w, revents);
555 }
556
557 template<class O, class M>
558 asyncw (O object, M method)
559 : callback<void (asyncw &, int)> (object, method)
560 {
561 ev_init ((ev_async *)this, thunk);
562 }
563
564 void start ()
565 {
566 ev_async_start (EV_DEFAULT, (ev_async *)this);
567 }
568
569 void stop ()
570 {
571 ev_async_stop (EV_DEFAULT, (ev_async *)this);
572 }
573
574 ~asyncw ()
575 {
576 stop ();
577 }
496}; 578};
497 579
498#endif 580#endif
499 581

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