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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.52 by root, Fri Jan 26 22:06:30 2007 UTC vs.
Revision 1.106 by root, Sun Oct 11 18:18:03 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, int state, object *activator, object *originator = 0);
66 105
67////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 106bool is_match_expr (const char *expr);
107/* applies the match expression and returns true if it matches */
108bool match (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
68 109
110//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
111
112#if IVSIZE >= 8
113 typedef IV val64;
114 typedef IV uval64;
115# define newSVval64 newSViv
116# define SvVAL64 SvIV
117# define newSVuval64 newSVuv
118# define SvUVAL64 SvUV
119#else
120 typedef double val64;
121 typedef double uval64;
122# define newSVval64 newSVnv
123# define SvVAL64 SvNV
124# define newSVuval64 newSVnv
125# define SvUVAL64 SvNV
126#endif
127
69// virtual server time, excluding time jumps and lag 128extern tstamp runtime; // virtual server time, excluding time jumps and lag
70extern double runtime; 129extern tstamp NOW; // real time of current server tick
71 130
72enum event_klass 131enum event_klass
73{ 132{
74 KLASS_NONE, 133 KLASS_NONE,
75 KLASS_GLOBAL, 134 KLASS_GLOBAL,
86# define def(klass,name) EVENT_ ## klass ## _ ## name, 145# define def(klass,name) EVENT_ ## klass ## _ ## name,
87# include "eventinc.h" 146# include "eventinc.h"
88# undef def 147# undef def
89 NUM_EVENT_TYPES 148 NUM_EVENT_TYPES
90}; 149};
150
151// in which global events or per-type events are we interested
152extern bitset<NUM_EVENT_TYPES> ev_want_event;
153extern bitset<NUM_TYPES> ev_want_type;
91 154
92#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 155#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
93#define ARG_INT(v) DT_INT , static_cast<int> (v) 156#define ARG_INT(v) DT_INT , static_cast<int> (v)
94#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 157#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
95#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 158#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
102#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 165#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
103#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 166#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
104#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 167#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
105 168
106// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 169// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
107 170#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) 171#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) 172#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) 173#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) 174#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) 175#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) 176#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
115 177
116//TODO should index into @result 178//TODO should index into @result
117#define RESULT(idx,type) cfperl_result_ ## type (idx) 179#define RESULT(idx,type) cfperl_result_ ## type (idx)
118#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 180#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
119#define RESULT_INT(idx) RESULT(idx, INT) 181#define RESULT_INT(idx) RESULT(idx, INT)
122int cfperl_result_INT (int idx); 184int cfperl_result_INT (int idx);
123 185
124////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 186//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
125 187
126INTERFACE_CLASS (attachable) 188INTERFACE_CLASS (attachable)
127struct attachable 189struct attachable : refcnt_base
128{ 190{
129 static MGVTBL vtbl; 191 static MGVTBL vtbl;
192
193 enum {
194 F_DESTROYED = 0x01,
195 F_DEBUG_TRACE = 0x02,
196 };
197 uint8 ACC (RW, flags);
130 198
131 static unordered_vector<attachable *> mortals; 199 static unordered_vector<attachable *> mortals;
132 MTH static void check_mortals (); 200 MTH static void check_mortals ();
133 201
134 enum {
135 F_DESTROYED = 0x01,
136 };
137
138 // object is delete'd after the refcount reaches 0 202 // 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; 203 MTH int refcnt_cnt () const;
146 // check wether the object has died and destroy 204 // check wether the object has died and destroy
147 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 205 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
148 206
149 // destroy the object unless it was already destroyed 207 // destroy the object unless it was already destroyed
150 // this politely asks everybody interested the reduce 208 // this politely asks everybody interested the reduce
151 // the refcount to 0 as soon as possible. 209 // the refcount to 0 as soon as possible.
152 MTH void destroy (); 210 MTH void destroy ();
168 226
169 void sever_self (); // sever this object from its self, if it has one. 227 void sever_self (); // sever this object from its self, if it has one.
170 void optimise (); // possibly save some memory by destroying unneeded data 228 void optimise (); // possibly save some memory by destroying unneeded data
171 229
172 attachable () 230 attachable ()
173 : flags (0), refcnt (0), self (0), cb (0), attach (0) 231 : flags (0), self (0), cb (0), attach (0)
174 { 232 {
175 } 233 }
176 234
177 attachable (const attachable &src) 235 attachable (const attachable &src)
178 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 236 : flags (0), self (0), cb (0), attach (src.attach)
179 { 237 {
180 } 238 }
181 239
182 virtual ~attachable (); 240 // set a custom key to the given value, or delete it if value = 0
241 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
242
243 void set_key_text (const char *key, const char *value = 0)
244 {
245 set_key (key, value, 1);
246 }
247
248 void set_key_data (const char *key, const char *value = 0)
249 {
250 set_key (key, value, 0);
251 }
183 252
184 attachable &operator =(const attachable &src); 253 attachable &operator =(const attachable &src);
185 254
255 // used to _quickly_ device wether to shortcut the evaluation
256 bool should_invoke (event_type event)
257 {
258 return ev_want_event [event] || cb;
259 }
260
186 bool invoke (event_type event, ...); 261 bool invoke (event_type event, ...);
262
187 MTH void instantiate (); 263 MTH void instantiate ();
188 void reattach (); 264 void reattach ();
189 265
190protected: 266protected:
191 // do the real refcount checking work 267 // do the real refcount checking work
192 void do_check (); 268 void do_check ();
193 269
194 // the method that does the real destroy work 270 // the method that does the real destroy work
195 virtual void do_destroy (); 271 virtual void do_destroy ();
272
273 // destructor is protected, should not be called by anybody
274 virtual ~attachable ();
196}; 275};
197 276
198// the global object is a pseudo object that cares for the global events 277// the global object is a pseudo object that cares for the global events
199struct global : attachable 278struct global : attachable
200{ 279{
203 282
204extern struct global gbl_ev; 283extern struct global gbl_ev;
205 284
206////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 285//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
207 286
287INTERFACE_CLASS(object_freezer)
208struct object_freezer : dynbuf 288struct object_freezer : dynbuf_text
209{ 289{
210 AV *av; 290 AV *av;
211 291
212 object_freezer (); 292 object_freezer ();
213 ~object_freezer (); 293 ~object_freezer ();
214 294
215 void put (attachable *ext); 295 void put (attachable *ext);
216 296
217 // used only for user-defined key-value pairs 297 // used only for user-defined key-value pairs
218 void put (const shstr &k, const shstr &v) 298 void put (shstr_tmp k, shstr_tmp v)
219 { 299 {
220 add (k); 300 add (k);
221 301
222 if (v) 302 if (expect_true (v))
223 add (' '), add (v); 303 add (' '), add (v);
224 304
225 add ('\n'); 305 add ('\n');
226 } 306 }
227 307
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> 308 template<typename T>
238 void put_string (keyword k, const T &v) 309 void put_kw_string (keyword k, const T &v)
239 { 310 {
240 int klen = keyword_len [k]; 311 int klen = keyword_len [k];
241 int vlen = v ? strlen (v) + 1 : 0; 312 int vlen = v ? strlen (v) + 1 : 0;
242 313
243 char *p = (char *)alloc (klen + vlen + 1); 314 char *p = (char *)alloc (klen + vlen + 1);
244 315
245 memcpy (p, keyword_str [k], klen); p += klen; 316 memcpy (p, keyword_str [k], klen); p += klen;
246 317
247 if (v) 318 if (expect_true (v))
248 { 319 {
249 *p++ = ' '; vlen--; 320 *p++ = ' '; vlen--;
250 memcpy (p, v, vlen); p += vlen; 321 memcpy (p, v, vlen); p += vlen;
251 } 322 }
252 323
253 *p = '\n'; 324 *p = '\n';
254 } 325 }
255 326
256 void put (keyword k, const char *v = 0) 327 void put (keyword k, const char *v = 0)
257 { 328 {
258 put_string (k, v); 329 put_kw_string (k, v);
259 } 330 }
260 331
261 void put (keyword k, const shstr &v) 332 void put (keyword k, shstr_tmp v)
262 { 333 {
263 put_string (k, v); 334 put_kw_string (k, v);
264 } 335 }
265 336
266 void put (keyword k, double v) 337 void put (keyword k, double v)
267 { 338 {
268 char buf [128]; 339 force (MAX_KEYWORD_LEN + 2 + 32);
269 340 fadd (keyword_str [k], keyword_len [k]);
270 snprintf (buf, 128, "%.7g", v); 341 fadd (' ');
271 342 falloc (sprintf (ptr, "%.7g", v));
272 put (k, (const char *)buf); 343 fadd ('\n');
273 } 344 }
274 345
275 void put_(keyword k, sint64 v) 346 void put_(keyword k, sint64 v)
276 { 347 {
348 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
277 add (keyword_str [k], keyword_len [k]); 349 fadd (keyword_str [k], keyword_len [k]);
278 add (' '); 350 fadd (' ');
279 add (v); 351 add (v);
280 add ('\n'); 352 fadd ('\n');
281 } 353 }
282 354
283 void put_(keyword k, sint32 v) 355 void put_(keyword k, sint32 v)
284 { 356 {
357 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
285 add (keyword_str [k], keyword_len [k]); 358 fadd (keyword_str [k], keyword_len [k]);
286 add (' '); 359 fadd (' ');
287 add (v); 360 add (v);
288 add ('\n'); 361 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 } 362 }
303 363
304 void put (keyword k, float v) { put (k, (double)v); } 364 void put (keyword k, float v) { put (k, (double)v); }
305 void put (keyword k, signed char v) { put_(k, (sint32)v); } 365 void put (keyword k, signed char v) { put_(k, (sint32)v); }
306 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 366 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
311 void put (keyword k, signed long v) { put_(k, (sint64)v); } 371 void put (keyword k, signed long v) { put_(k, (sint64)v); }
312 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 372 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
313 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 373 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); } 374 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
315 375
316 template<typename T> 376 void put (keyword kbeg, keyword kend, shstr_tmp v)
377 {
378 force (MAX_KEYWORD_LEN + 1);
379 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
380
381 if (expect_true (v))
382 {
383 add (v);
384 add ('\n');
385 }
386
387 force (MAX_KEYWORD_LEN + 1);
388 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
389 }
390
391 void put (keyword k, archetype *v);
392 void put (keyword k, treasurelist *v);
317 void put (keyword k, const T *v) 393 void put (keyword k, faceinfo *v);
318 {
319 if (v)
320 put (k, v->name);
321 else
322 put (k, (const char *)0);
323 }
324 394
325 template<typename T> 395 template<typename T>
326 void put (keyword k, const refptr<T> &v) 396 void put (keyword k, const refptr<T> &v)
327 { 397 {
328 put (k, (T *)v); 398 put (k, (T *)v);
329 } 399 }
330 400
331 bool save (const char *path); 401 MTH bool save (const_octet_string path);
332 char *as_string (); // like strdup 402 char *as_string (); // like strdup
333 403
334 operator bool () { return !!av; } 404 operator bool () { return !!av; }
335}; 405};
336 406
337// compatibility support, should be removed when no longer needed 407INTERFACE_CLASS(object_thawer)
338int fprintf (object_freezer &freezer, const char *format, ...);
339int fputs (const char *s, object_freezer &freezer);
340
341struct object_thawer 408struct object_thawer
342{ 409{
410 char *line; // current beginning of line
343 SV *text; // text part 411 SV *text; // text part
344 AV *av; // perl part 412 AV *av; // perl part
345 char *line; // current beginning of line 413 int linenum;
346 char *last_keyword, *last_value; 414 keyword kw;
415 char *kw_str; // the keyword parsed, as string
416 char *value; // the value, or 0 if no value
417 const char *value_nn; // the value, or the empty string if no value
347 const char *name; 418 const char *name;
348 419
349 operator bool () { return !!text; } 420 operator bool () const { return !!text; }
350 421
351 object_thawer (const char *path = 0); 422 object_thawer (const char *path = 0);
352 object_thawer (const char *data, AV *perlav); 423 object_thawer (const char *data, AV *perlav);
353 ~object_thawer (); 424 ~object_thawer ();
354 425
355 void get (attachable *obj, int oid); 426 void get (attachable *obj, int oid);
356 427
357 keyword get_kv (); // also parse value for later use 428 // parse next line
358 void skip_kv (keyword kw); 429 MTH void next ();
430 // skip the current key-value (usually fetch next line, for
431 // multiline-fields, skips till the corresponding end-kw
432 MTH void skip ();
433 MTH void skip_block (); // skips till and over KW_end
359 434
360 const char *get_str () { return last_value; } // may be 0 435 char *get_str () { return value; } // may be 0
361
362 void get (shstr &sh) const;
363 void get_ornull (shstr &sh) const { sh = last_value; }
364 void get_ml (keyword kend, shstr &sh); 436 void get_ml (keyword kend, shstr &sh);
365 437
438 void get_ornull (shstr &sh) const { sh = value; }
439 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
440
441 bool get_bool () const { return *value_nn == '1'; }
366 sint32 get_sint32 () const; 442 sint32 get_sint32 () const;
367 sint64 get_sint64 () const; 443 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
368 double get_double () const; 444 double get_double () const { return strtod (value_nn, 0); }
369 445
370 void get (float &v) { v = get_double (); } 446 void get (float &v) { v = get_double (); }
371 void get (double &v) { v = get_double (); } 447 void get (double &v) { v = get_double (); }
372 448
373 void get (bool &i) { i = get_sint32 (); } 449 void get (bool &i) { i = get_bool (); }
374 void get (sint8 &i) { i = get_sint32 (); } 450 void get (sint8 &i) { i = get_sint32 (); }
375 void get (uint8 &i) { i = get_sint32 (); } 451 void get (uint8 &i) { i = get_sint32 (); }
376 void get (sint16 &i) { i = get_sint32 (); } 452 void get (sint16 &i) { i = get_sint32 (); }
377 void get (uint16 &i) { i = get_sint32 (); } 453 void get (uint16 &i) { i = get_sint32 (); }
378 void get (sint32 &i) { i = get_sint32 (); } 454 void get (sint32 &i) { i = get_sint32 (); }
379 455
380 void get (uint32 &i) { i = get_sint64 (); } 456 void get (uint32 &i) { i = get_sint64 (); }
381 void get (sint64 &i) { i = get_sint64 (); } 457 void get (sint64 &i) { i = get_sint64 (); }
382};
383 458
459 MTH void parse_warn (const char *msg);
460 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
461
462 struct delayed_ref {
463 attachable *op;
464 object_ptr *ptr;
465 const char *ref;
466 };
467 std::vector<delayed_ref> delrefs;
468
469 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
470 MTH void resolve_delayed_derefs (bool deref = true);
471};
472
473//TODO: remove
384char *fgets (char *s, int n, object_thawer &thawer); 474char *fgets (char *s, int n, object_thawer &thawer);
385 475
386////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 476//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
387 477
388struct coroapi { 478struct coroapi {
389 static struct CoroAPI *GCoroAPI; 479 static struct CoroAPI *GCoroAPI;
390 480
481 static EV_ATOMIC_T cede_pending;
482
391 static int nready () { return CORO_NREADY; } 483 static int nready () { return CORO_NREADY; }
392 static int cede () { return CORO_CEDE ; } 484 static int cede () { cede_pending = 0; return CORO_CEDE ; }
393 485
394 static int cede_counter; 486 static void do_cede_to_tick ();
395 487
396 static void cede_every (int count) 488 // actually cede's far more often
489 static bool cede_to_tick ()
397 { 490 {
398 if (++cede_counter >= count) 491 if (expect_true (!cede_pending))
399 { 492 return false;
400 cede_counter = 0;
401 493
402 if (coroapi::nready ()) 494 do_cede_to_tick ();
403 coroapi::cede (); 495 return true;
404 }
405 } 496 }
406};
407 497
408struct watcher_base 498 static void wait_for_tick ();
499 static void wait_for_tick_begin ();
500};
501
502struct evapi
409{ 503{
410 static struct EventAPI *GEventAPI; 504 static struct EVAPI *GEVAPI;
411}; 505};
412 506
413template<class base>
414struct watcher : watcher_base
415{
416 base *pe;
417
418 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
419 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
420 void now () { GEventAPI->now ((pe_watcher *)pe); }
421 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
422 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
423
424 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
425
426 ~watcher ()
427 {
428 cancel ();
429 }
430
431private:
432 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
433};
434
435struct iw : watcher<pe_idle>, callback<void (iw &)>
436{
437 template<class O, class M>
438 iw (O object, M method)
439 : callback<void (iw &)> (object, method)
440 {
441 alloc ();
442 }
443
444private:
445 void alloc ();
446};
447
448struct iow : watcher<pe_io>, callback<void (iow &, int)> 507struct iow : ev_io, evapi, callback<void (iow &, int)>
449{ 508{
509 static void thunk (EV_P_ struct ev_io *w_, int revents)
510 {
511 iow &w = *static_cast<iow *>(w_);
512
513 w (w, revents);
514 }
515
450 template<class O, class M> 516 template<class O, class M>
451 iow (O object, M method) 517 iow (O object, M method)
452 : callback<void (iow &, int)> (object, method) 518 : callback<void (iow &, int)> (object, method)
453 { 519 {
454 alloc (); 520 ev_init ((ev_io *)this, thunk);
455 } 521 }
456 522
457 void fd (int fd); 523 void prio (int prio)
458 int poll (); 524 {
525 ev_set_priority ((ev_io *)this, prio);
526 }
527
528 void set (int fd, int events)
529 {
530 ev_io_set ((ev_io *)this, fd, events);
531 }
532
533 int poll () const { return events; }
534
459 void poll (int events); 535 void poll (int events);
460 536
461private: 537 void start ()
462 void alloc (); 538 {
539 ev_io_start (EV_DEFAULT, (ev_io *)this);
540 }
541
542 void stop ()
543 {
544 ev_io_stop (EV_DEFAULT, (ev_io *)this);
545 }
546
547 ~iow ()
548 {
549 stop ();
550 }
551};
552
553struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
554{
555 static void thunk (EV_P_ struct ev_async *w_, int revents)
556 {
557 asyncw &w = *static_cast<asyncw *>(w_);
558
559 w (w, revents);
560 }
561
562 template<class O, class M>
563 asyncw (O object, M method)
564 : callback<void (asyncw &, int)> (object, method)
565 {
566 ev_init ((ev_async *)this, thunk);
567 }
568
569 void start ()
570 {
571 ev_async_start (EV_DEFAULT, (ev_async *)this);
572 }
573
574 void stop ()
575 {
576 ev_async_stop (EV_DEFAULT, (ev_async *)this);
577 }
578
579 ~asyncw ()
580 {
581 stop ();
582 }
463}; 583};
464 584
465#endif 585#endif
466 586

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