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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 1.97 by root, Thu May 8 20:03:50 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"
… …
30#undef readdir 55#undef readdir
31#undef getprotobyname 56#undef getprotobyname
32#undef gethostbyname 57#undef gethostbyname
33#undef ctime 58#undef ctime
34#undef strerror 59#undef strerror
60#undef _
35 61
36// same here, massive symbol spamming 62// same here, massive symbol spamming
37#undef do_open 63#undef do_open
38#undef do_close 64#undef do_close
39#undef ref 65#undef ref
… …
44#undef random 70#undef random
45#undef crypt 71#undef crypt
46 72
47////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 73//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
48 74
75#define _(msg) (msg)
76#define N_(msg) (msg)
77
78//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
79
49// some macros to simplify perl in-calls 80// some macros to simplify perl in-calls
50 81
51#define CHECK_ERROR \ 82#define CHECK_ERROR \
52 if (SvTRUE (ERRSV)) \ 83 if (SvTRUE (ERRSV)) \
53 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 84 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
54 85
55#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 86#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 87#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))) 88#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; 89#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
… …
60 91
61////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 92//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62 93
63void cfperl_init (); 94void cfperl_init ();
64void cfperl_main (); 95void cfperl_main ();
96void cfperl_tick ();
65void cfperl_emergency_save (); 97void cfperl_emergency_save ();
66void cfperl_cleanup (int make_core); 98void cfperl_cleanup (int make_core);
99void cfperl_make_book (object *book, int level);
100void cfperl_expand_cfpod (player *pl, std::string &msg);
101void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
102int cfperl_can_merge (object *ob1, object *ob2);
67 103
68////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 104//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
69 105
106#if IVSIZE >= 8
107 typedef IV val64;
108 typedef IV uval64;
109# define newSVval64 newSViv
110# define SvVAL64 SvIV
111# define newSVuval64 newSVuv
112# define SvUVAL64 SvUV
113#else
114 typedef double val64;
115 typedef double uval64;
116# define newSVval64 newSVnv
117# define SvVAL64 SvNV
118# define newSVuval64 newSVnv
119# define SvUVAL64 SvNV
120#endif
121
70// virtual server time, excluding time jumps and lag 122extern tstamp runtime; // virtual server time, excluding time jumps and lag
71extern double runtime; 123extern tstamp NOW; // real time of current server tick
72 124
73enum event_klass 125enum event_klass
74{ 126{
75 KLASS_NONE, 127 KLASS_NONE,
76 KLASS_GLOBAL, 128 KLASS_GLOBAL,
… …
87# define def(klass,name) EVENT_ ## klass ## _ ## name, 139# define def(klass,name) EVENT_ ## klass ## _ ## name,
88# include "eventinc.h" 140# include "eventinc.h"
89# undef def 141# undef def
90 NUM_EVENT_TYPES 142 NUM_EVENT_TYPES
91}; 143};
144
145// in which global events or per-type events are we interested
146extern bitset<NUM_EVENT_TYPES> ev_want_event;
147extern bitset<NUM_TYPES> ev_want_type;
92 148
93#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 149#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
94#define ARG_INT(v) DT_INT , static_cast<int> (v) 150#define ARG_INT(v) DT_INT , static_cast<int> (v)
95#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 151#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
96#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 152#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
… …
103#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 159#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
104#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 160#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
105#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 161#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
106 162
107// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 163// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
108 164#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) 165#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) 166#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) 167#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) 168#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) 169#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) 170#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
116 171
117//TODO should index into @result 172//TODO should index into @result
118#define RESULT(idx,type) cfperl_result_ ## type (idx) 173#define RESULT(idx,type) cfperl_result_ ## type (idx)
119#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 174#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
120#define RESULT_INT(idx) RESULT(idx, INT) 175#define RESULT_INT(idx) RESULT(idx, INT)
… …
123int cfperl_result_INT (int idx); 178int cfperl_result_INT (int idx);
124 179
125////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 180//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
126 181
127INTERFACE_CLASS (attachable) 182INTERFACE_CLASS (attachable)
128struct attachable 183struct attachable : refcnt_base
129{ 184{
130 static MGVTBL vtbl; 185 static MGVTBL vtbl;
131 186
132 static unordered_vector<attachable *> mortals; 187 static unordered_vector<attachable *> mortals;
133 MTH static void check_mortals (); 188 MTH static void check_mortals ();
134 189
135 enum { 190 enum {
136 F_DESTROYED = 0x01, 191 F_DESTROYED = 0x01,
137 F_DEBUG_TRACE = 0x02, 192 F_DEBUG_TRACE = 0x02,
138 }; 193 };
194 int ACC (RW, flags);
139 195
140 // object is delete'd after the refcount reaches 0 196 // 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; 197 MTH int refcnt_cnt () const;
148 // check wether the object has died and destroy 198 // check wether the object has died and destroy
149 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 199 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
150 200
151 // destroy the object unless it was already destroyed 201 // destroy the object unless it was already destroyed
152 // this politely asks everybody interested the reduce 202 // this politely asks everybody interested the reduce
153 // the refcount to 0 as soon as possible. 203 // the refcount to 0 as soon as possible.
154 MTH void destroy (); 204 MTH void destroy ();
… …
170 220
171 void sever_self (); // sever this object from its self, if it has one. 221 void sever_self (); // sever this object from its self, if it has one.
172 void optimise (); // possibly save some memory by destroying unneeded data 222 void optimise (); // possibly save some memory by destroying unneeded data
173 223
174 attachable () 224 attachable ()
175 : flags (0), refcnt (0), self (0), cb (0), attach (0) 225 : flags (0), self (0), cb (0), attach (0)
176 { 226 {
177 } 227 }
178 228
179 attachable (const attachable &src) 229 attachable (const attachable &src)
180 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 230 : flags (0), self (0), cb (0), attach (src.attach)
181 { 231 {
182 } 232 }
183 233
184 virtual ~attachable (); 234 // set a custom key to the given value, or delete it if value = 0
235 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
236
237 void set_key_text (const char *key, const char *value = 0)
238 {
239 set_key (key, value, 1);
240 }
241
242 void set_key_data (const char *key, const char *value = 0)
243 {
244 set_key (key, value, 0);
245 }
185 246
186 attachable &operator =(const attachable &src); 247 attachable &operator =(const attachable &src);
187 248
249 // used to _quickly_ device wether to shortcut the evaluation
250 bool should_invoke (event_type event)
251 {
252 return ev_want_event [event] || cb;
253 }
254
188 bool invoke (event_type event, ...); 255 bool invoke (event_type event, ...);
256
189 MTH void instantiate (); 257 MTH void instantiate ();
190 void reattach (); 258 void reattach ();
191 259
192protected: 260protected:
193 // do the real refcount checking work 261 // do the real refcount checking work
194 void do_check (); 262 void do_check ();
195 263
196 // the method that does the real destroy work 264 // the method that does the real destroy work
197 virtual void do_destroy (); 265 virtual void do_destroy ();
266
267 // destructor is protected, should not be called by anybody
268 virtual ~attachable ();
198}; 269};
199 270
200// the global object is a pseudo object that cares for the global events 271// the global object is a pseudo object that cares for the global events
201struct global : attachable 272struct global : attachable
202{ 273{
… …
205 276
206extern struct global gbl_ev; 277extern struct global gbl_ev;
207 278
208////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 279//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
209 280
281INTERFACE_CLASS(object_freezer)
210struct object_freezer : dynbuf_text 282struct object_freezer : dynbuf_text
211{ 283{
212 AV *av; 284 AV *av;
213 285
214 object_freezer (); 286 object_freezer ();
… …
219 // used only for user-defined key-value pairs 291 // used only for user-defined key-value pairs
220 void put (const shstr &k, const shstr &v) 292 void put (const shstr &k, const shstr &v)
221 { 293 {
222 add (k); 294 add (k);
223 295
224 if (v) 296 if (expect_true (v))
225 add (' '), add (v); 297 add (' '), add (v);
226 298
227 add ('\n'); 299 add ('\n');
228 } 300 }
229 301
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> 302 template<typename T>
240 void put_string (keyword k, const T &v) 303 void put_kw_string (keyword k, const T &v)
241 { 304 {
242 int klen = keyword_len [k]; 305 int klen = keyword_len [k];
243 int vlen = v ? strlen (v) + 1 : 0; 306 int vlen = v ? strlen (v) + 1 : 0;
244 307
245 char *p = (char *)alloc (klen + vlen + 1); 308 char *p = (char *)alloc (klen + vlen + 1);
246 309
247 memcpy (p, keyword_str [k], klen); p += klen; 310 memcpy (p, keyword_str [k], klen); p += klen;
248 311
249 if (v) 312 if (expect_true (v))
250 { 313 {
251 *p++ = ' '; vlen--; 314 *p++ = ' '; vlen--;
252 memcpy (p, v, vlen); p += vlen; 315 memcpy (p, v, vlen); p += vlen;
253 } 316 }
254 317
255 *p = '\n'; 318 *p = '\n';
256 } 319 }
257 320
258 void put (keyword k, const char *v = 0) 321 void put (keyword k, const char *v = 0)
259 { 322 {
260 put_string (k, v); 323 put_kw_string (k, v);
261 } 324 }
262 325
263 void put (keyword k, const shstr &v) 326 void put (keyword k, const shstr &v)
264 { 327 {
265 put_string (k, v); 328 put_kw_string (k, v);
266 } 329 }
267 330
268 void put (keyword k, double v) 331 void put (keyword k, double v)
269 { 332 {
270 char buf [128]; 333 force (MAX_KEYWORD_LEN + 2 + 32);
271 334 fadd (keyword_str [k], keyword_len [k]);
272 snprintf (buf, 128, "%.7g", v); 335 fadd (' ');
273 336 falloc (sprintf (ptr, "%.7g", v));
274 put (k, (const char *)buf); 337 fadd ('\n');
275 } 338 }
276 339
277 void put_(keyword k, sint64 v) 340 void put_(keyword k, sint64 v)
278 { 341 {
342 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
279 add (keyword_str [k], keyword_len [k]); 343 fadd (keyword_str [k], keyword_len [k]);
280 add (' '); 344 fadd (' ');
281 add (v); 345 add (v);
282 add ('\n'); 346 fadd ('\n');
283 } 347 }
284 348
285 void put_(keyword k, sint32 v) 349 void put_(keyword k, sint32 v)
286 { 350 {
351 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
287 add (keyword_str [k], keyword_len [k]); 352 fadd (keyword_str [k], keyword_len [k]);
288 add (' '); 353 fadd (' ');
289 add (v); 354 add (v);
290 add ('\n'); 355 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 } 356 }
305 357
306 void put (keyword k, float v) { put (k, (double)v); } 358 void put (keyword k, float v) { put (k, (double)v); }
307 void put (keyword k, signed char v) { put_(k, (sint32)v); } 359 void put (keyword k, signed char v) { put_(k, (sint32)v); }
308 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 360 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
313 void put (keyword k, signed long v) { put_(k, (sint64)v); } 365 void put (keyword k, signed long v) { put_(k, (sint64)v); }
314 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 366 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
315 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 367 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); } 368 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
317 369
318 template<typename T> 370 void put (keyword kbeg, keyword kend, const shstr &v)
371 {
372 force (MAX_KEYWORD_LEN + 1);
373 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
374
375 if (expect_true (v))
376 {
377 add (v);
378 add ('\n');
379 }
380
381 force (MAX_KEYWORD_LEN + 1);
382 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
383 }
384
385 void put (keyword k, archetype *v);
386 void put (keyword k, treasurelist *v);
319 void put (keyword k, const T *v) 387 void put (keyword k, faceinfo *v);
320 {
321 if (v)
322 put (k, v->name);
323 else
324 put (k, (const char *)0);
325 }
326 388
327 template<typename T> 389 template<typename T>
328 void put (keyword k, const refptr<T> &v) 390 void put (keyword k, const refptr<T> &v)
329 { 391 {
330 put (k, (T *)v); 392 put (k, (T *)v);
331 } 393 }
332 394
333 bool save (const char *path); 395 MTH bool save (const_octet_string path);
334 char *as_string (); // like strdup 396 char *as_string (); // like strdup
335 397
336 operator bool () { return !!av; } 398 operator bool () { return !!av; }
337}; 399};
338 400
339// compatibility support, should be removed when no longer needed 401INTERFACE_CLASS(object_thawer)
340void fprintf (object_freezer &freezer, const char *format, ...);
341void fputs (const char *s, object_freezer &freezer);
342
343struct object_thawer 402struct object_thawer
344{ 403{
404 char *line; // current beginning of line
345 SV *text; // text part 405 SV *text; // text part
346 AV *av; // perl part 406 AV *av; // perl part
347 int linenum; 407 int linenum;
348 char *line; // current beginning of line
349 keyword kw; 408 keyword kw;
350 char *kw_str, *value; 409 char *kw_str; // the keyword parsed, as string
410 char *value; // the value, or 0 if no value
411 const char *value_nn; // the value, or the empty string if no value
351 const char *name; 412 const char *name;
352 413
353 operator bool () { return !!text; } 414 operator bool () const { return !!text; }
354 415
355 object_thawer (const char *path = 0); 416 object_thawer (const char *path = 0);
356 object_thawer (const char *data, AV *perlav); 417 object_thawer (const char *data, AV *perlav);
357 ~object_thawer (); 418 ~object_thawer ();
358 419
359 void get (attachable *obj, int oid); 420 void get (attachable *obj, int oid);
360 421
361 // parse next line 422 // parse next line
362 void next (); 423 MTH void next ();
363 // skip the current key-value (usually fetch next line, for 424 // skip the current key-value (usually fetch next line, for
364 // multiline-fields, skips untilt he corresponding end-kw 425 // multiline-fields, skips till the corresponding end-kw
365 void skip (); 426 MTH void skip ();
366 427 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 }
373 428
374 char *get_str () { return value; } // may be 0 429 char *get_str () { return value; } // may be 0
430 void get_ml (keyword kend, shstr &sh);
375 431
376 void get (shstr &sh) const;
377 void get_ornull (shstr &sh) const { sh = value; } 432 void get_ornull (shstr &sh) const { sh = value; }
378 void get_ml (keyword kend, shstr &sh); 433 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
379 434
435 bool get_bool () const { return *value_nn == '1'; }
380 sint32 get_sint32 () const; 436 sint32 get_sint32 () const;
381 sint64 get_sint64 () const; 437 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
382 double get_double () const; 438 double get_double () const { return strtod (value_nn, 0); }
383 439
384 void get (float &v) { v = get_double (); } 440 void get (float &v) { v = get_double (); }
385 void get (double &v) { v = get_double (); } 441 void get (double &v) { v = get_double (); }
386 442
387 void get (bool &i) { i = get_sint32 (); } 443 void get (bool &i) { i = get_bool (); }
388 void get (sint8 &i) { i = get_sint32 (); } 444 void get (sint8 &i) { i = get_sint32 (); }
389 void get (uint8 &i) { i = get_sint32 (); } 445 void get (uint8 &i) { i = get_sint32 (); }
390 void get (sint16 &i) { i = get_sint32 (); } 446 void get (sint16 &i) { i = get_sint32 (); }
391 void get (uint16 &i) { i = get_sint32 (); } 447 void get (uint16 &i) { i = get_sint32 (); }
392 void get (sint32 &i) { i = get_sint32 (); } 448 void get (sint32 &i) { i = get_sint32 (); }
393 449
394 void get (uint32 &i) { i = get_sint64 (); } 450 void get (uint32 &i) { i = get_sint64 (); }
395 void get (sint64 &i) { i = get_sint64 (); } 451 void get (sint64 &i) { i = get_sint64 (); }
396 452
453 MTH void parse_warn (const char *msg);
397 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 454 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
455
456 struct delayed_ref {
457 attachable *op;
458 object_ptr *ptr;
459 const char *ref;
460 };
461 std::vector<delayed_ref> delrefs;
462
463 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
464 MTH void resolve_delayed_derefs (bool deref = true);
398}; 465};
399 466
400//TODO: remove 467//TODO: remove
401char *fgets (char *s, int n, object_thawer &thawer); 468char *fgets (char *s, int n, object_thawer &thawer);
402 469
403////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 470//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
404 471
405struct coroapi { 472struct coroapi {
406 static struct CoroAPI *GCoroAPI; 473 static struct CoroAPI *GCoroAPI;
407 474
475 static EV_ATOMIC_T cede_pending;
476
408 static int nready () { return CORO_NREADY; } 477 static int nready () { return CORO_NREADY; }
409 static int cede () { return CORO_CEDE ; } 478 static int cede () { cede_pending = 0; return CORO_CEDE ; }
410 479
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 (); 480 static void do_cede_to_tick ();
417 static void do_cede_to_tick_every ();
418 481
419 static void cede_every (int count) 482 // actually cede's far more often
420 {
421 if (++cede_counter >= count)
422 do_cede_every ();
423 }
424
425 static void cede_to_tick () 483 static bool cede_to_tick ()
426 { 484 {
427 if (time () >= next_cede) 485 if (expect_true (!cede_pending))
486 return false;
487
428 do_cede_to_tick (); 488 do_cede_to_tick ();
429 } 489 return true;
430
431 static void cede_to_tick_every (int count)
432 {
433 if (++cede_counter >= count)
434 cede_to_tick ();
435 } 490 }
436 491
437 static void wait_for_tick (); 492 static void wait_for_tick ();
438 static void wait_for_tick_begin (); 493 static void wait_for_tick_begin ();
439}; 494};
440 495
441struct watcher_base 496struct evapi
442{ 497{
443 static struct EventAPI *GEventAPI; 498 static struct EVAPI *GEVAPI;
444}; 499};
445 500
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)> 501struct iow : ev_io, evapi, callback<void (iow &, int)>
482{ 502{
503 static void thunk (EV_P_ struct ev_io *w_, int revents)
504 {
505 iow &w = *static_cast<iow *>(w_);
506
507 w (w, revents);
508 }
509
483 template<class O, class M> 510 template<class O, class M>
484 iow (O object, M method) 511 iow (O object, M method)
485 : callback<void (iow &, int)> (object, method) 512 : callback<void (iow &, int)> (object, method)
486 { 513 {
487 alloc (); 514 ev_init ((ev_io *)this, thunk);
488 } 515 }
489 516
490 void fd (int fd); 517 void prio (int prio)
491 int poll (); 518 {
519 ev_set_priority ((ev_io *)this, prio);
520 }
521
522 void set (int fd, int events)
523 {
524 ev_io_set ((ev_io *)this, fd, events);
525 }
526
527 int poll () const { return events; }
528
492 void poll (int events); 529 void poll (int events);
493 530
494private: 531 void start ()
495 void alloc (); 532 {
533 ev_io_start (EV_DEFAULT, (ev_io *)this);
534 }
535
536 void stop ()
537 {
538 ev_io_stop (EV_DEFAULT, (ev_io *)this);
539 }
540
541 ~iow ()
542 {
543 stop ();
544 }
545};
546
547struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
548{
549 static void thunk (EV_P_ struct ev_async *w_, int revents)
550 {
551 asyncw &w = *static_cast<asyncw *>(w_);
552
553 w (w, revents);
554 }
555
556 template<class O, class M>
557 asyncw (O object, M method)
558 : callback<void (asyncw &, int)> (object, method)
559 {
560 ev_init ((ev_async *)this, thunk);
561 }
562
563 void start ()
564 {
565 ev_async_start (EV_DEFAULT, (ev_async *)this);
566 }
567
568 void stop ()
569 {
570 ev_async_stop (EV_DEFAULT, (ev_async *)this);
571 }
572
573 ~asyncw ()
574 {
575 stop ();
576 }
496}; 577};
497 578
498#endif 579#endif
499 580

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