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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.53 by root, Thu Feb 1 19:15:39 2007 UTC vs.
Revision 1.103 by root, Thu Jan 8 03:03:24 2009 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;
59#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 92#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
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 ();
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);
104void cfperl_mapscript_activate (object *ob, object *activator, int state);
66 105
67////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 106//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
68 107
108#if IVSIZE >= 8
109 typedef IV val64;
110 typedef IV uval64;
111# define newSVval64 newSViv
112# define SvVAL64 SvIV
113# define newSVuval64 newSVuv
114# define SvUVAL64 SvUV
115#else
116 typedef double val64;
117 typedef double uval64;
118# define newSVval64 newSVnv
119# define SvVAL64 SvNV
120# define newSVuval64 newSVnv
121# define SvUVAL64 SvNV
122#endif
123
69// virtual server time, excluding time jumps and lag 124extern tstamp runtime; // virtual server time, excluding time jumps and lag
70extern double runtime; 125extern tstamp NOW; // real time of current server tick
71 126
72enum event_klass 127enum event_klass
73{ 128{
74 KLASS_NONE, 129 KLASS_NONE,
75 KLASS_GLOBAL, 130 KLASS_GLOBAL,
… …
86# define def(klass,name) EVENT_ ## klass ## _ ## name, 141# define def(klass,name) EVENT_ ## klass ## _ ## name,
87# include "eventinc.h" 142# include "eventinc.h"
88# undef def 143# undef def
89 NUM_EVENT_TYPES 144 NUM_EVENT_TYPES
90}; 145};
146
147// in which global events or per-type events are we interested
148extern bitset<NUM_EVENT_TYPES> ev_want_event;
149extern bitset<NUM_TYPES> ev_want_type;
91 150
92#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 151#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
93#define ARG_INT(v) DT_INT , static_cast<int> (v) 152#define ARG_INT(v) DT_INT , static_cast<int> (v)
94#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 153#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
95#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 154#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
… …
102#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 161#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
103#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 162#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
104#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 163#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
105 164
106// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 165// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
107 166#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
108// all these return true when the normal event processing should be skipped (if any)
109#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) 167#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
110#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) 168#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
111#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) 169#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
112#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) 170#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
113#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) 171#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
114#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) 172#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
115 173
116//TODO should index into @result 174//TODO should index into @result
117#define RESULT(idx,type) cfperl_result_ ## type (idx) 175#define RESULT(idx,type) cfperl_result_ ## type (idx)
118#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 176#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
119#define RESULT_INT(idx) RESULT(idx, INT) 177#define RESULT_INT(idx) RESULT(idx, INT)
… …
122int cfperl_result_INT (int idx); 180int cfperl_result_INT (int idx);
123 181
124////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 182//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
125 183
126INTERFACE_CLASS (attachable) 184INTERFACE_CLASS (attachable)
127struct attachable 185struct attachable : refcnt_base
128{ 186{
129 static MGVTBL vtbl; 187 static MGVTBL vtbl;
188
189 enum {
190 F_DESTROYED = 0x01,
191 F_DEBUG_TRACE = 0x02,
192 };
193 uint8 ACC (RW, flags);
130 194
131 static unordered_vector<attachable *> mortals; 195 static unordered_vector<attachable *> mortals;
132 MTH static void check_mortals (); 196 MTH static void check_mortals ();
133 197
134 enum {
135 F_DESTROYED = 0x01,
136 };
137
138 // object is delete'd after the refcount reaches 0 198 // object is delete'd after the refcount reaches 0
139 mutable int ACC (RW, refcnt);
140 int ACC (RW, flags);
141
142 MTH void refcnt_inc () const { ++refcnt; }
143 MTH void refcnt_dec () const { --refcnt; }
144
145 MTH int refcnt_cnt () const; 199 MTH int refcnt_cnt () const;
146 // check wether the object has died and destroy 200 // check wether the object has died and destroy
147 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 201 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
148 202
149 // destroy the object unless it was already destroyed 203 // destroy the object unless it was already destroyed
150 // this politely asks everybody interested the reduce 204 // this politely asks everybody interested the reduce
151 // the refcount to 0 as soon as possible. 205 // the refcount to 0 as soon as possible.
152 MTH void destroy (); 206 MTH void destroy ();
… …
168 222
169 void sever_self (); // sever this object from its self, if it has one. 223 void sever_self (); // sever this object from its self, if it has one.
170 void optimise (); // possibly save some memory by destroying unneeded data 224 void optimise (); // possibly save some memory by destroying unneeded data
171 225
172 attachable () 226 attachable ()
173 : flags (0), refcnt (0), self (0), cb (0), attach (0) 227 : flags (0), self (0), cb (0), attach (0)
174 { 228 {
175 } 229 }
176 230
177 attachable (const attachable &src) 231 attachable (const attachable &src)
178 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 232 : flags (0), self (0), cb (0), attach (src.attach)
179 { 233 {
180 } 234 }
181 235
182 virtual ~attachable (); 236 // set a custom key to the given value, or delete it if value = 0
237 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
238
239 void set_key_text (const char *key, const char *value = 0)
240 {
241 set_key (key, value, 1);
242 }
243
244 void set_key_data (const char *key, const char *value = 0)
245 {
246 set_key (key, value, 0);
247 }
183 248
184 attachable &operator =(const attachable &src); 249 attachable &operator =(const attachable &src);
185 250
251 // used to _quickly_ device wether to shortcut the evaluation
252 bool should_invoke (event_type event)
253 {
254 return ev_want_event [event] || cb;
255 }
256
186 bool invoke (event_type event, ...); 257 bool invoke (event_type event, ...);
258
187 MTH void instantiate (); 259 MTH void instantiate ();
188 void reattach (); 260 void reattach ();
189 261
190protected: 262protected:
191 // do the real refcount checking work 263 // do the real refcount checking work
192 void do_check (); 264 void do_check ();
193 265
194 // the method that does the real destroy work 266 // the method that does the real destroy work
195 virtual void do_destroy (); 267 virtual void do_destroy ();
268
269 // destructor is protected, should not be called by anybody
270 virtual ~attachable ();
196}; 271};
197 272
198// the global object is a pseudo object that cares for the global events 273// the global object is a pseudo object that cares for the global events
199struct global : attachable 274struct global : attachable
200{ 275{
… …
203 278
204extern struct global gbl_ev; 279extern struct global gbl_ev;
205 280
206////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 281//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
207 282
283INTERFACE_CLASS(object_freezer)
208struct object_freezer : dynbuf 284struct object_freezer : dynbuf_text
209{ 285{
210 AV *av; 286 AV *av;
211 287
212 object_freezer (); 288 object_freezer ();
213 ~object_freezer (); 289 ~object_freezer ();
214 290
215 void put (attachable *ext); 291 void put (attachable *ext);
216 292
217 // used only for user-defined key-value pairs 293 // used only for user-defined key-value pairs
218 void put (const shstr &k, const shstr &v) 294 void put (shstr_tmp k, shstr_tmp v)
219 { 295 {
220 add (k); 296 add (k);
221 297
222 if (v) 298 if (expect_true (v))
223 add (' '), add (v); 299 add (' '), add (v);
224 300
225 add ('\n'); 301 add ('\n');
226 } 302 }
227 303
228 //TODO//temporary, used only for saving body locations
229 void put (const char *k, int v)
230 {
231 add (k);
232 add (' ');
233 add (sint32 (v));
234 add ('\n');
235 }
236
237 template<typename T> 304 template<typename T>
238 void put_string (keyword k, const T &v) 305 void put_kw_string (keyword k, const T &v)
239 { 306 {
240 int klen = keyword_len [k]; 307 int klen = keyword_len [k];
241 int vlen = v ? strlen (v) + 1 : 0; 308 int vlen = v ? strlen (v) + 1 : 0;
242 309
243 char *p = (char *)alloc (klen + vlen + 1); 310 char *p = (char *)alloc (klen + vlen + 1);
244 311
245 memcpy (p, keyword_str [k], klen); p += klen; 312 memcpy (p, keyword_str [k], klen); p += klen;
246 313
247 if (v) 314 if (expect_true (v))
248 { 315 {
249 *p++ = ' '; vlen--; 316 *p++ = ' '; vlen--;
250 memcpy (p, v, vlen); p += vlen; 317 memcpy (p, v, vlen); p += vlen;
251 } 318 }
252 319
253 *p = '\n'; 320 *p = '\n';
254 } 321 }
255 322
256 void put (keyword k, const char *v = 0) 323 void put (keyword k, const char *v = 0)
257 { 324 {
258 put_string (k, v); 325 put_kw_string (k, v);
259 } 326 }
260 327
261 void put (keyword k, const shstr &v) 328 void put (keyword k, shstr_tmp v)
262 { 329 {
263 put_string (k, v); 330 put_kw_string (k, v);
264 } 331 }
265 332
266 void put (keyword k, double v) 333 void put (keyword k, double v)
267 { 334 {
268 char buf [128]; 335 force (MAX_KEYWORD_LEN + 2 + 32);
269 336 fadd (keyword_str [k], keyword_len [k]);
270 snprintf (buf, 128, "%.7g", v); 337 fadd (' ');
271 338 falloc (sprintf (ptr, "%.7g", v));
272 put (k, (const char *)buf); 339 fadd ('\n');
273 } 340 }
274 341
275 void put_(keyword k, sint64 v) 342 void put_(keyword k, sint64 v)
276 { 343 {
344 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
277 add (keyword_str [k], keyword_len [k]); 345 fadd (keyword_str [k], keyword_len [k]);
278 add (' '); 346 fadd (' ');
279 add (v); 347 add (v);
280 add ('\n'); 348 fadd ('\n');
281 } 349 }
282 350
283 void put_(keyword k, sint32 v) 351 void put_(keyword k, sint32 v)
284 { 352 {
353 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
285 add (keyword_str [k], keyword_len [k]); 354 fadd (keyword_str [k], keyword_len [k]);
286 add (' '); 355 fadd (' ');
287 add (v); 356 add (v);
288 add ('\n'); 357 fadd ('\n');
289 }
290
291 void put (keyword kbeg, keyword kend, const shstr &v)
292 {
293 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
294
295 if (v)
296 {
297 add (v);
298 add ('\n');
299 }
300
301 add (keyword_str [kend], keyword_len [kend]); add ('\n');
302 } 358 }
303 359
304 void put (keyword k, float v) { put (k, (double)v); } 360 void put (keyword k, float v) { put (k, (double)v); }
305 void put (keyword k, signed char v) { put_(k, (sint32)v); } 361 void put (keyword k, signed char v) { put_(k, (sint32)v); }
306 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 362 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
311 void put (keyword k, signed long v) { put_(k, (sint64)v); } 367 void put (keyword k, signed long v) { put_(k, (sint64)v); }
312 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 368 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
313 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 369 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
314 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 370 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
315 371
316 template<typename T> 372 void put (keyword kbeg, keyword kend, shstr_tmp v)
373 {
374 force (MAX_KEYWORD_LEN + 1);
375 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
376
377 if (expect_true (v))
378 {
379 add (v);
380 add ('\n');
381 }
382
383 force (MAX_KEYWORD_LEN + 1);
384 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
385 }
386
387 void put (keyword k, archetype *v);
388 void put (keyword k, treasurelist *v);
317 void put (keyword k, const T *v) 389 void put (keyword k, faceinfo *v);
318 {
319 if (v)
320 put (k, v->name);
321 else
322 put (k, (const char *)0);
323 }
324 390
325 template<typename T> 391 template<typename T>
326 void put (keyword k, const refptr<T> &v) 392 void put (keyword k, const refptr<T> &v)
327 { 393 {
328 put (k, (T *)v); 394 put (k, (T *)v);
329 } 395 }
330 396
331 bool save (const char *path); 397 MTH bool save (const_octet_string path);
332 char *as_string (); // like strdup 398 char *as_string (); // like strdup
333 399
334 operator bool () { return !!av; } 400 operator bool () { return !!av; }
335}; 401};
336 402
337// compatibility support, should be removed when no longer needed 403INTERFACE_CLASS(object_thawer)
338int fprintf (object_freezer &freezer, const char *format, ...);
339int fputs (const char *s, object_freezer &freezer);
340
341struct object_thawer 404struct object_thawer
342{ 405{
406 char *line; // current beginning of line
343 SV *text; // text part 407 SV *text; // text part
344 AV *av; // perl part 408 AV *av; // perl part
345 int linenum; 409 int linenum;
346 char *line; // current beginning of line 410 keyword kw;
347 char *last_keyword, *last_value; 411 char *kw_str; // the keyword parsed, as string
412 char *value; // the value, or 0 if no value
413 const char *value_nn; // the value, or the empty string if no value
348 const char *name; 414 const char *name;
349 415
350 operator bool () { return !!text; } 416 operator bool () const { return !!text; }
351 417
352 object_thawer (const char *path = 0); 418 object_thawer (const char *path = 0);
353 object_thawer (const char *data, AV *perlav); 419 object_thawer (const char *data, AV *perlav);
354 ~object_thawer (); 420 ~object_thawer ();
355 421
356 void get (attachable *obj, int oid); 422 void get (attachable *obj, int oid);
357 423
358 keyword get_kv (); // also parse value for later use 424 // parse next line
359 void skip_kv (keyword kw); 425 MTH void next ();
426 // skip the current key-value (usually fetch next line, for
427 // multiline-fields, skips till the corresponding end-kw
428 MTH void skip ();
429 MTH void skip_block (); // skips till and over KW_end
360 430
361 const char *get_str () { return last_value; } // may be 0 431 char *get_str () { return value; } // may be 0
362
363 void get (shstr &sh) const;
364 void get_ornull (shstr &sh) const { sh = last_value; }
365 void get_ml (keyword kend, shstr &sh); 432 void get_ml (keyword kend, shstr &sh);
366 433
434 void get_ornull (shstr &sh) const { sh = value; }
435 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
436
437 bool get_bool () const { return *value_nn == '1'; }
367 sint32 get_sint32 () const; 438 sint32 get_sint32 () const;
368 sint64 get_sint64 () const; 439 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
369 double get_double () const; 440 double get_double () const { return strtod (value_nn, 0); }
370 441
371 void get (float &v) { v = get_double (); } 442 void get (float &v) { v = get_double (); }
372 void get (double &v) { v = get_double (); } 443 void get (double &v) { v = get_double (); }
373 444
374 void get (bool &i) { i = get_sint32 (); } 445 void get (bool &i) { i = get_bool (); }
375 void get (sint8 &i) { i = get_sint32 (); } 446 void get (sint8 &i) { i = get_sint32 (); }
376 void get (uint8 &i) { i = get_sint32 (); } 447 void get (uint8 &i) { i = get_sint32 (); }
377 void get (sint16 &i) { i = get_sint32 (); } 448 void get (sint16 &i) { i = get_sint32 (); }
378 void get (uint16 &i) { i = get_sint32 (); } 449 void get (uint16 &i) { i = get_sint32 (); }
379 void get (sint32 &i) { i = get_sint32 (); } 450 void get (sint32 &i) { i = get_sint32 (); }
380 451
381 void get (uint32 &i) { i = get_sint64 (); } 452 void get (uint32 &i) { i = get_sint64 (); }
382 void get (sint64 &i) { i = get_sint64 (); } 453 void get (sint64 &i) { i = get_sint64 (); }
383 454
455 MTH void parse_warn (const char *msg);
384 bool parse_error (keyword kw, const char *type = 0, const char *name = 0, bool skip = true); 456 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
457
458 struct delayed_ref {
459 attachable *op;
460 object_ptr *ptr;
461 const char *ref;
462 };
463 std::vector<delayed_ref> delrefs;
464
465 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
466 MTH void resolve_delayed_derefs (bool deref = true);
385}; 467};
386 468
387//TODO: remove 469//TODO: remove
388char *fgets (char *s, int n, object_thawer &thawer); 470char *fgets (char *s, int n, object_thawer &thawer);
389 471
390////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 472//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
391 473
392struct coroapi { 474struct coroapi {
393 static struct CoroAPI *GCoroAPI; 475 static struct CoroAPI *GCoroAPI;
394 476
477 static EV_ATOMIC_T cede_pending;
478
395 static int nready () { return CORO_NREADY; } 479 static int nready () { return CORO_NREADY; }
396 static int cede () { return CORO_CEDE ; } 480 static int cede () { cede_pending = 0; return CORO_CEDE ; }
397 481
398 static int cede_counter; 482 static void do_cede_to_tick ();
399 483
400 static void cede_every (int count) 484 // actually cede's far more often
485 static bool cede_to_tick ()
401 { 486 {
402 if (++cede_counter >= count) 487 if (expect_true (!cede_pending))
403 { 488 return false;
404 cede_counter = 0;
405 489
406 if (coroapi::nready ()) 490 do_cede_to_tick ();
407 coroapi::cede (); 491 return true;
408 }
409 } 492 }
410};
411 493
412struct watcher_base 494 static void wait_for_tick ();
495 static void wait_for_tick_begin ();
496};
497
498struct evapi
413{ 499{
414 static struct EventAPI *GEventAPI; 500 static struct EVAPI *GEVAPI;
415}; 501};
416 502
417template<class base>
418struct watcher : watcher_base
419{
420 base *pe;
421
422 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
423 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
424 void now () { GEventAPI->now ((pe_watcher *)pe); }
425 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
426 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
427
428 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
429
430 ~watcher ()
431 {
432 cancel ();
433 }
434
435private:
436 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
437};
438
439struct iw : watcher<pe_idle>, callback<void (iw &)>
440{
441 template<class O, class M>
442 iw (O object, M method)
443 : callback<void (iw &)> (object, method)
444 {
445 alloc ();
446 }
447
448private:
449 void alloc ();
450};
451
452struct iow : watcher<pe_io>, callback<void (iow &, int)> 503struct iow : ev_io, evapi, callback<void (iow &, int)>
453{ 504{
505 static void thunk (EV_P_ struct ev_io *w_, int revents)
506 {
507 iow &w = *static_cast<iow *>(w_);
508
509 w (w, revents);
510 }
511
454 template<class O, class M> 512 template<class O, class M>
455 iow (O object, M method) 513 iow (O object, M method)
456 : callback<void (iow &, int)> (object, method) 514 : callback<void (iow &, int)> (object, method)
457 { 515 {
458 alloc (); 516 ev_init ((ev_io *)this, thunk);
459 } 517 }
460 518
461 void fd (int fd); 519 void prio (int prio)
462 int poll (); 520 {
521 ev_set_priority ((ev_io *)this, prio);
522 }
523
524 void set (int fd, int events)
525 {
526 ev_io_set ((ev_io *)this, fd, events);
527 }
528
529 int poll () const { return events; }
530
463 void poll (int events); 531 void poll (int events);
464 532
465private: 533 void start ()
466 void alloc (); 534 {
535 ev_io_start (EV_DEFAULT, (ev_io *)this);
536 }
537
538 void stop ()
539 {
540 ev_io_stop (EV_DEFAULT, (ev_io *)this);
541 }
542
543 ~iow ()
544 {
545 stop ();
546 }
547};
548
549struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
550{
551 static void thunk (EV_P_ struct ev_async *w_, int revents)
552 {
553 asyncw &w = *static_cast<asyncw *>(w_);
554
555 w (w, revents);
556 }
557
558 template<class O, class M>
559 asyncw (O object, M method)
560 : callback<void (asyncw &, int)> (object, method)
561 {
562 ev_init ((ev_async *)this, thunk);
563 }
564
565 void start ()
566 {
567 ev_async_start (EV_DEFAULT, (ev_async *)this);
568 }
569
570 void stop ()
571 {
572 ev_async_stop (EV_DEFAULT, (ev_async *)this);
573 }
574
575 ~asyncw ()
576 {
577 stop ();
578 }
467}; 579};
468 580
469#endif 581#endif
470 582

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