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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.65 by root, Thu May 24 03:33:29 2007 UTC vs.
Revision 1.110 by root, Thu Nov 5 14:38:48 2009 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 *
6 * Deliantra is free software: you can redistribute it and/or modify it under
7 * the terms of the Affero GNU General Public License as published by the
8 * Free Software Foundation, either version 3 of the License, or (at your
9 * option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the Affero GNU General Public License
17 * and the GNU General Public License along with this program. If not, see
18 * <http://www.gnu.org/licenses/>.
19 *
20 * The authors can be reached via e-mail to <support@deliantra.net>
21 */
22
1// 23//
2// cfperl.h perl interface 24// cfperl.h perl interface
3// 25//
4#ifndef CFPERL_H__ 26#ifndef CFPERL_H__
5#define CFPERL_H__ 27#define CFPERL_H__
… …
12 34
13#include <EXTERN.h> 35#include <EXTERN.h>
14#include <perl.h> 36#include <perl.h>
15#include <XSUB.h> 37#include <XSUB.h>
16 38
17#include <EventAPI.h> 39#include <EVAPI.h>
18#include <CoroAPI.h> 40#include <CoroAPI.h>
19 41
20#include "util.h" 42#include "util.h"
21#include "keyword.h" 43#include "keyword.h"
22#include "dynbuf.h" 44#include "dynbuf.h"
… …
27// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 49// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
28#undef localtime 50#undef localtime
29#undef srand48 51#undef srand48
30#undef drand48 52#undef drand48
31#undef srandom 53#undef srandom
54#undef opendir
32#undef readdir 55#undef readdir
56#undef closedir
33#undef getprotobyname 57#undef getprotobyname
34#undef gethostbyname 58#undef gethostbyname
35#undef ctime 59#undef ctime
36#undef strerror 60#undef strerror
61#undef _
37 62
38// same here, massive symbol spamming 63// same here, massive symbol spamming
39#undef do_open 64#undef do_open
40#undef do_close 65#undef do_close
41#undef ref 66#undef ref
… …
46#undef random 71#undef random
47#undef crypt 72#undef crypt
48 73
49////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 74//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
50 75
76#define _(msg) (msg)
77#define N_(msg) (msg)
78
79//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
80
51// some macros to simplify perl in-calls 81// some macros to simplify perl in-calls
52 82
53#define CHECK_ERROR \ 83#define CHECK_ERROR \
54 if (SvTRUE (ERRSV)) \ 84 if (SvTRUE (ERRSV)) \
55 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 85 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
86
87inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); }
88inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); }
56 89
57#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 90#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
58#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc 91#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
59#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 92#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
60#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN; 93#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN;
61#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 94#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
62 95
63////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 96//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
64 97
65void cfperl_init (); 98void cfperl_init ();
66void cfperl_main (); 99void cfperl_main ();
100void cfperl_tick ();
67void cfperl_emergency_save (); 101void cfperl_emergency_save ();
68void cfperl_cleanup (int make_core); 102void cfperl_cleanup (int make_core);
69void cfperl_make_book (object *book, int level); 103void cfperl_make_book (object *book, int level);
104void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
105int cfperl_can_merge (object *ob1, object *ob2);
106void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
70 107
71////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 108bool is_match_expr (const char *expr);
109// applies the match expression and returns true if it matches
110bool match (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
111// same as above, but returns the first object found, or 0
112object *match_one (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
72 113
114//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
115
116#if IVSIZE >= 8
117 typedef IV val64;
118 typedef IV uval64;
119# define newSVval64 newSViv
120# define SvVAL64 SvIV
121# define newSVuval64 newSVuv
122# define SvUVAL64 SvUV
123#else
124 typedef double val64;
125 typedef double uval64;
126# define newSVval64 newSVnv
127# define SvVAL64 SvNV
128# define newSVuval64 newSVnv
129# define SvUVAL64 SvNV
130#endif
131
73// virtual server time, excluding time jumps and lag 132extern tstamp runtime; // virtual server time, excluding time jumps and lag
74extern double runtime; 133extern tstamp NOW; // real time of current server tick
75 134
76enum event_klass 135enum event_klass
77{ 136{
78 KLASS_NONE, 137 KLASS_NONE,
79 KLASS_GLOBAL, 138 KLASS_GLOBAL,
… …
110#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 169#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
111#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 170#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
112#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 171#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
113 172
114// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 173// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
115 174#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
116// all these return true when the normal event processing should be skipped (if any)
117#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) 175#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
118#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) 176#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
119#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) 177#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
120#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) 178#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
121#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) 179#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
122#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) 180#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
123 181
124//TODO should index into @result 182//TODO should index into @result
125#define RESULT(idx,type) cfperl_result_ ## type (idx) 183#define RESULT(idx,type) cfperl_result_ ## type (idx)
126#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 184#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
127#define RESULT_INT(idx) RESULT(idx, INT) 185#define RESULT_INT(idx) RESULT(idx, INT)
… …
130int cfperl_result_INT (int idx); 188int cfperl_result_INT (int idx);
131 189
132////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 190//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
133 191
134INTERFACE_CLASS (attachable) 192INTERFACE_CLASS (attachable)
135struct attachable 193struct attachable : refcnt_base
136{ 194{
137 static MGVTBL vtbl; 195 static MGVTBL vtbl;
138
139 static unordered_vector<attachable *> mortals;
140 MTH static void check_mortals ();
141 196
142 enum { 197 enum {
143 F_DESTROYED = 0x01, 198 F_DESTROYED = 0x01,
144 F_DEBUG_TRACE = 0x02, 199 F_DEBUG_TRACE = 0x02,
145 }; 200 };
201 uint8 ACC (RW, flags);
202
203 static unordered_vector<attachable *> mortals;
204 MTH static void check_mortals ();
146 205
147 // object is delete'd after the refcount reaches 0 206 // object is delete'd after the refcount reaches 0
148 int ACC (RW, flags);
149 mutable int ACC (RW, refcnt);
150
151 MTH void refcnt_inc () const { ++refcnt; }
152 MTH void refcnt_dec () const { --refcnt; }
153
154 MTH int refcnt_cnt () const; 207 MTH int refcnt_cnt () const;
155 // check wether the object has died and destroy 208 // check wether the object has died and destroy
156 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 209 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
157 210
158 // destroy the object unless it was already destroyed 211 // destroy the object unless it was already destroyed
159 // this politely asks everybody interested the reduce 212 // this politely asks everybody interested the reduce
160 // the refcount to 0 as soon as possible. 213 // the refcount to 0 as soon as possible.
161 MTH void destroy (); 214 MTH void destroy ();
… …
177 230
178 void sever_self (); // sever this object from its self, if it has one. 231 void sever_self (); // sever this object from its self, if it has one.
179 void optimise (); // possibly save some memory by destroying unneeded data 232 void optimise (); // possibly save some memory by destroying unneeded data
180 233
181 attachable () 234 attachable ()
182 : flags (0), refcnt (0), self (0), cb (0), attach (0) 235 : flags (0), self (0), cb (0), attach (0)
183 { 236 {
184 } 237 }
185 238
186 attachable (const attachable &src) 239 attachable (const attachable &src)
187 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 240 : flags (0), self (0), cb (0), attach (src.attach)
188 { 241 {
189 } 242 }
190 243
191 virtual ~attachable (); 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 }
192 256
193 attachable &operator =(const attachable &src); 257 attachable &operator =(const attachable &src);
194 258
195 bool vinvoke (event_type event, va_list &ap); 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
196 bool invoke (event_type event, ...) 265 bool invoke (event_type event, ...);
197 {
198 if (ev_want_event [event] || cb)
199 {
200 va_list ap;
201 va_start (ap, event);
202 vinvoke (event, ap);
203 va_end (ap);
204 }
205 }
206 266
207 MTH void instantiate (); 267 MTH void instantiate ();
208 void reattach (); 268 void reattach ();
209 269
210protected: 270protected:
211 // do the real refcount checking work 271 // do the real refcount checking work
212 void do_check (); 272 void do_check ();
213 273
214 // the method that does the real destroy work 274 // the method that does the real destroy work
215 virtual void do_destroy (); 275 virtual void do_destroy ();
276
277 // destructor is protected, should not be called by anybody
278 virtual ~attachable ();
216}; 279};
217 280
218// the global object is a pseudo object that cares for the global events 281// the global object is a pseudo object that cares for the global events
219struct global : attachable 282struct global : attachable
220{ 283{
… …
223 286
224extern struct global gbl_ev; 287extern struct global gbl_ev;
225 288
226////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 289//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
227 290
291INTERFACE_CLASS(object_freezer)
228struct object_freezer : dynbuf_text 292struct object_freezer : dynbuf_text
229{ 293{
230 AV *av; 294 AV *av;
231 295
232 object_freezer (); 296 object_freezer ();
233 ~object_freezer (); 297 ~object_freezer ();
234 298
235 void put (attachable *ext); 299 void put (attachable *ext);
236 300
237 // used only for user-defined key-value pairs 301 // used only for user-defined key-value pairs
238 void put (const shstr &k, const shstr &v) 302 void put (shstr_tmp k, shstr_tmp v)
239 { 303 {
240 add (k); 304 add (k);
241 305
242 if (v) 306 if (expect_true (v))
243 add (' '), add (v); 307 add (' '), add (v);
244 308
245 add ('\n'); 309 add ('\n');
246 } 310 }
247 311
248 //TODO//temporary, used only for saving body locations
249 void put (const char *k, int v)
250 {
251 add (k);
252 add (' ');
253 add (sint32 (v));
254 add ('\n');
255 }
256
257 template<typename T> 312 template<typename T>
258 void put_string (keyword k, const T &v) 313 void put_kw_string (keyword k, const T &v)
259 { 314 {
260 int klen = keyword_len [k]; 315 int klen = keyword_len [k];
261 int vlen = v ? strlen (v) + 1 : 0; 316 int vlen = v ? strlen (v) + 1 : 0;
262 317
263 char *p = (char *)alloc (klen + vlen + 1); 318 char *p = (char *)alloc (klen + vlen + 1);
264 319
265 memcpy (p, keyword_str [k], klen); p += klen; 320 memcpy (p, keyword_str [k], klen); p += klen;
266 321
267 if (v) 322 if (expect_true (v))
268 { 323 {
269 *p++ = ' '; vlen--; 324 *p++ = ' '; vlen--;
270 memcpy (p, v, vlen); p += vlen; 325 memcpy (p, v, vlen); p += vlen;
271 } 326 }
272 327
273 *p = '\n'; 328 *p = '\n';
274 } 329 }
275 330
276 void put (keyword k, const char *v = 0) 331 void put (keyword k, const char *v = 0)
277 { 332 {
278 put_string (k, v); 333 put_kw_string (k, v);
279 } 334 }
280 335
281 void put (keyword k, const shstr &v) 336 void put (keyword k, shstr_tmp v)
282 { 337 {
283 put_string (k, v); 338 put_kw_string (k, v);
284 } 339 }
285 340
286 void put (keyword k, double v) 341 void put (keyword k, double v)
287 { 342 {
288 char buf [128]; 343 force (MAX_KEYWORD_LEN + 2 + 32);
289 344 fadd (keyword_str [k], keyword_len [k]);
290 snprintf (buf, 128, "%.7g", v); 345 fadd (' ');
291 346 falloc (sprintf (ptr, "%.7g", v));
292 put (k, (const char *)buf); 347 fadd ('\n');
293 } 348 }
294 349
295 void put_(keyword k, sint64 v) 350 void put_(keyword k, sint64 v)
296 { 351 {
352 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
297 add (keyword_str [k], keyword_len [k]); 353 fadd (keyword_str [k], keyword_len [k]);
298 add (' '); 354 fadd (' ');
299 add (v); 355 add (v);
300 add ('\n'); 356 fadd ('\n');
301 } 357 }
302 358
303 void put_(keyword k, sint32 v) 359 void put_(keyword k, sint32 v)
304 { 360 {
361 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
305 add (keyword_str [k], keyword_len [k]); 362 fadd (keyword_str [k], keyword_len [k]);
306 add (' '); 363 fadd (' ');
307 add (v); 364 add (v);
308 add ('\n'); 365 fadd ('\n');
309 }
310
311 void put (keyword kbeg, keyword kend, const shstr &v)
312 {
313 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
314
315 if (v)
316 {
317 add (v);
318 add ('\n');
319 }
320
321 add (keyword_str [kend], keyword_len [kend]); add ('\n');
322 } 366 }
323 367
324 void put (keyword k, float v) { put (k, (double)v); } 368 void put (keyword k, float v) { put (k, (double)v); }
325 void put (keyword k, signed char v) { put_(k, (sint32)v); } 369 void put (keyword k, signed char v) { put_(k, (sint32)v); }
326 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 370 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
331 void put (keyword k, signed long v) { put_(k, (sint64)v); } 375 void put (keyword k, signed long v) { put_(k, (sint64)v); }
332 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 376 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
333 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 377 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
334 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 378 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
335 379
336 template<typename T> 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);
337 void put (keyword k, const T *v) 397 void put (keyword k, faceinfo *v);
338 {
339 if (v)
340 put (k, v->name);
341 else
342 put (k, (const char *)0);
343 }
344 398
345 template<typename T> 399 template<typename T>
346 void put (keyword k, const refptr<T> &v) 400 void put (keyword k, const refptr<T> &v)
347 { 401 {
348 put (k, (T *)v); 402 put (k, (T *)v);
349 } 403 }
350 404
351 bool save (const char *path); 405 MTH bool save (const_octet_string path);
352 char *as_string (); // like strdup 406 char *as_string (); // like strdup
353 407
354 operator bool () { return !!av; } 408 operator bool () { return !!av; }
355}; 409};
356 410
357// compatibility support, should be removed when no longer needed 411INTERFACE_CLASS(object_thawer)
358void fprintf (object_freezer &freezer, const char *format, ...);
359void fputs (const char *s, object_freezer &freezer);
360
361struct object_thawer 412struct object_thawer
362{ 413{
414 char *line; // current beginning of line
363 SV *text; // text part 415 SV *text; // text part
364 AV *av; // perl part 416 AV *av; // perl part
365 int linenum; 417 int linenum;
366 char *line; // current beginning of line
367 keyword kw; 418 keyword kw;
368 char *kw_str, *value; 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
369 const char *name; 422 const char *name;
370 423
371 operator bool () { return !!text; } 424 operator bool () const { return !!text; }
372 425
373 object_thawer (const char *path = 0); 426 object_thawer (const char *path = 0);
374 object_thawer (const char *data, AV *perlav); 427 object_thawer (const char *data, AV *perlav);
375 ~object_thawer (); 428 ~object_thawer ();
376 429
377 void get (attachable *obj, int oid); 430 void get (attachable *obj, int oid);
378 431
379 // parse next line 432 // parse next line
380 void next (); 433 MTH void next ();
381 // skip the current key-value (usually fetch next line, for 434 // skip the current key-value (usually fetch next line, for
382 // multiline-fields, skips untilt he corresponding end-kw 435 // multiline-fields, skips till the corresponding end-kw
383 void skip (); 436 MTH void skip ();
384 437 MTH void skip_block (); // skips till and over KW_end
385 //TODO: remove, deprecated
386 keyword get_kv ()
387 {
388 next ();
389 return kw;
390 }
391 438
392 char *get_str () { return value; } // may be 0 439 char *get_str () { return value; } // may be 0
440 void get_ml (keyword kend, shstr &sh);
393 441
394 void get (shstr &sh) const;
395 void get_ornull (shstr &sh) const { sh = value; } 442 void get_ornull (shstr &sh) const { sh = value; }
396 void get_ml (keyword kend, shstr &sh); 443 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
397 444
445 bool get_bool () const { return *value_nn == '1'; }
398 sint32 get_sint32 () const; 446 sint32 get_sint32 () const;
399 sint64 get_sint64 () const; 447 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
400 double get_double () const; 448 double get_double () const { return strtod (value_nn, 0); }
401 449
402 void get (float &v) { v = get_double (); } 450 void get (float &v) { v = get_double (); }
403 void get (double &v) { v = get_double (); } 451 void get (double &v) { v = get_double (); }
404 452
405 void get (bool &i) { i = get_sint32 (); } 453 void get (bool &i) { i = get_bool (); }
406 void get (sint8 &i) { i = get_sint32 (); } 454 void get (sint8 &i) { i = get_sint32 (); }
407 void get (uint8 &i) { i = get_sint32 (); } 455 void get (uint8 &i) { i = get_sint32 (); }
408 void get (sint16 &i) { i = get_sint32 (); } 456 void get (sint16 &i) { i = get_sint32 (); }
409 void get (uint16 &i) { i = get_sint32 (); } 457 void get (uint16 &i) { i = get_sint32 (); }
410 void get (sint32 &i) { i = get_sint32 (); } 458 void get (sint32 &i) { i = get_sint32 (); }
411 459
412 void get (uint32 &i) { i = get_sint64 (); } 460 void get (uint32 &i) { i = get_sint64 (); }
413 void get (sint64 &i) { i = get_sint64 (); } 461 void get (sint64 &i) { i = get_sint64 (); }
414 462
463 MTH void parse_warn (const char *msg);
415 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 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);
416}; 475};
417 476
418//TODO: remove 477//TODO: remove
419char *fgets (char *s, int n, object_thawer &thawer); 478char *fgets (char *s, int n, object_thawer &thawer);
420 479
421////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 480//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
422 481
423struct coroapi { 482struct coroapi {
424 static struct CoroAPI *GCoroAPI; 483 static struct CoroAPI *GCoroAPI;
425 484
485 static EV_ATOMIC_T cede_pending;
486
426 static int nready () { return CORO_NREADY; } 487 static int nready () { return CORO_NREADY; }
427 static int cede () { return CORO_CEDE ; } 488 static int cede () { cede_pending = 0; return CORO_CEDE ; }
428 489
429 static double (*time)();
430 static double next_cede;
431 static int cede_counter;
432
433 static void do_cede_every ();
434 static void do_cede_to_tick (); 490 static void do_cede_to_tick ();
435 static void do_cede_to_tick_every ();
436 491
437 static void cede_every (int count) 492 // actually cede's far more often
438 {
439 if (++cede_counter >= count)
440 do_cede_every ();
441 }
442
443 static void cede_to_tick () 493 static bool cede_to_tick ()
444 { 494 {
445 if (time () >= next_cede) 495 if (expect_true (!cede_pending))
496 return false;
497
446 do_cede_to_tick (); 498 do_cede_to_tick ();
447 } 499 return true;
448
449 static void cede_to_tick_every (int count)
450 {
451 if (++cede_counter >= count)
452 cede_to_tick ();
453 } 500 }
454 501
455 static void wait_for_tick (); 502 static void wait_for_tick ();
456 static void wait_for_tick_begin (); 503 static void wait_for_tick_begin ();
457}; 504};
458 505
459struct watcher_base 506struct evapi
460{ 507{
461 static struct EventAPI *GEventAPI; 508 static struct EVAPI *GEVAPI;
462}; 509};
463 510
464template<class base>
465struct watcher : watcher_base
466{
467 base *pe;
468
469 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
470 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
471 void now () { GEventAPI->now ((pe_watcher *)pe); }
472 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
473 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
474
475 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
476
477 ~watcher ()
478 {
479 cancel ();
480 }
481
482private:
483 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
484};
485
486struct iw : watcher<pe_idle>, callback<void (iw &)>
487{
488 template<class O, class M>
489 iw (O object, M method)
490 : callback<void (iw &)> (object, method)
491 {
492 alloc ();
493 }
494
495private:
496 void alloc ();
497};
498
499struct iow : watcher<pe_io>, callback<void (iow &, int)> 511struct iow : ev_io, evapi, callback<void (iow &, int)>
500{ 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
501 template<class O, class M> 520 template<class O, class M>
502 iow (O object, M method) 521 iow (O object, M method)
503 : callback<void (iow &, int)> (object, method) 522 : callback<void (iow &, int)> (object, method)
504 { 523 {
505 alloc (); 524 ev_init ((ev_io *)this, thunk);
506 } 525 }
507 526
508 void fd (int fd); 527 void prio (int prio)
509 int poll (); 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
510 void poll (int events); 539 void poll (int events);
511 540
512private: 541 void start ()
513 void alloc (); 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
557struct 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 }
514}; 587};
515 588
516#endif 589#endif
517 590

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