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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.41 by root, Mon Dec 25 11:25:49 2006 UTC vs.
Revision 1.96 by root, Wed Apr 16 21:14:13 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>
41#include <CoroAPI.h>
16 42
43#include "util.h"
44#include "keyword.h"
45#include "dynbuf.h"
17#include "callback.h" 46#include "callback.h"
47
48//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
18 49
19// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
20#undef localtime 51#undef localtime
21#undef srand48 52#undef srand48
22#undef drand48 53#undef drand48
24#undef readdir 55#undef readdir
25#undef getprotobyname 56#undef getprotobyname
26#undef gethostbyname 57#undef gethostbyname
27#undef ctime 58#undef ctime
28#undef strerror 59#undef strerror
60#undef _
29 61
30// same here, massive symbol spamming 62// same here, massive symbol spamming
31#undef do_open 63#undef do_open
32#undef do_close 64#undef do_close
65#undef ref
66#undef seed
33 67
34// perl bug #40256: perl does overwrite those with reentrant versions 68// perl bug #40256: perl does overwrite those with reentrant versions
35// but does not initialise their state structures. 69// but does not initialise their state structures.
36#undef random 70#undef random
37#undef crypt 71#undef crypt
38 72
73//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
74
75#define _(msg) (msg)
76#define N_(msg) (msg)
77
78//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
79
80// some macros to simplify perl in-calls
81
82#define CHECK_ERROR \
83 if (SvTRUE (ERRSV)) \
84 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
85
86#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
87#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
88#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
89#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
90#define CALL_END CHECK_ERROR; FREETMPS; LEAVE
91
92//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
93
39void cfperl_init (); 94void cfperl_init ();
40void cfperl_main (); 95void cfperl_main ();
96void cfperl_tick ();
97void cfperl_emergency_save ();
98void cfperl_cleanup (int make_core);
99void cfperl_make_book (object *book, int level);
100void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
101int cfperl_can_merge (object *ob1, object *ob2);
102
103//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
104
105#if IVSIZE >= 8
106 typedef IV val64;
107 typedef IV uval64;
108# define newSVval64 newSViv
109# define SvVAL64 SvIV
110# define newSVuval64 newSVuv
111# define SvUVAL64 SvUV
112#else
113 typedef double val64;
114 typedef double uval64;
115# define newSVval64 newSVnv
116# define SvVAL64 SvNV
117# define newSVuval64 newSVnv
118# define SvUVAL64 SvNV
119#endif
120
121extern tstamp runtime; // virtual server time, excluding time jumps and lag
122extern tstamp NOW; // real time of current server tick
41 123
42enum event_klass 124enum event_klass
43{ 125{
44 KLASS_NONE, 126 KLASS_NONE,
45 KLASS_GLOBAL, 127 KLASS_GLOBAL,
56# define def(klass,name) EVENT_ ## klass ## _ ## name, 138# define def(klass,name) EVENT_ ## klass ## _ ## name,
57# include "eventinc.h" 139# include "eventinc.h"
58# undef def 140# undef def
59 NUM_EVENT_TYPES 141 NUM_EVENT_TYPES
60}; 142};
143
144// in which global events or per-type events are we interested
145extern bitset<NUM_EVENT_TYPES> ev_want_event;
146extern bitset<NUM_TYPES> ev_want_type;
61 147
62#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 148#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
63#define ARG_INT(v) DT_INT , static_cast<int> (v) 149#define ARG_INT(v) DT_INT , static_cast<int> (v)
64#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 150#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
65#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 151#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
72#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 158#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
73#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 159#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
74#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 160#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
75 161
76// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 162// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
77 163#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
78// all these return true when the normal event processing should be skipped (if any)
79#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) 164#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
80#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) 165#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
81#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) 166#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
82#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) 167#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
83#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) 168#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
84#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) 169#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
85 170
86//TODO should index into @result 171//TODO should index into @result
87#define RESULT(idx,type) cfperl_result_ ## type (idx) 172#define RESULT(idx,type) cfperl_result_ ## type (idx)
88#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 173#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
89#define RESULT_INT(idx) RESULT(idx, INT) 174#define RESULT_INT(idx) RESULT(idx, INT)
90 175
91double cfperl_result_DOUBLE (int idx); 176double cfperl_result_DOUBLE (int idx);
92int cfperl_result_INT (int idx); 177int cfperl_result_INT (int idx);
93 178
94struct attachable 179//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
180
181INTERFACE_CLASS (attachable)
182struct attachable : refcnt_base
95{ 183{
184 static MGVTBL vtbl;
185
96 static unordered_vector<attachable *> mortals; 186 static unordered_vector<attachable *> mortals;
97 static void check_mortals (); 187 MTH static void check_mortals ();
98 188
99 enum { 189 enum {
100 F_DESTROYED = 0x01, 190 F_DESTROYED = 0x01,
101 F_BORROWED = 0x02, 191 F_DEBUG_TRACE = 0x02,
102 }; 192 };
193 int ACC (RW, flags);
103 194
104 // object is delete'd after the refcount reaches 0 195 // object is delete'd after the refcount reaches 0
105 mutable int refcnt; 196 MTH int refcnt_cnt () const;
106 int flags;
107
108 void refcnt_inc () const { ++refcnt; }
109 void refcnt_dec () const { --refcnt; }
110
111 // check wether the object has died and destroy 197 // check wether the object has died and destroy
112 void refcnt_chk () { if (refcnt <= 0) do_check (); } 198 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
113 199
114 // destroy the object unless it was already destroyed 200 // destroy the object unless it was already destroyed
115 // this politely asks everybody interested the reduce 201 // this politely asks everybody interested the reduce
116 // the refcount to 0 as soon as possible. 202 // the refcount to 0 as soon as possible.
117 void destroy (); 203 MTH void destroy ();
118 204
119 // return wether an object was destroyed already 205 // return wether an object was destroyed already
120 bool destroyed () const { return flags & F_DESTROYED; } 206 MTH bool destroyed () const { return flags & F_DESTROYED; }
121 207
122 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 208 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
123 209
124#if 0 210#if 0
125private: 211private:
129 215
130 HV *self; // CF+ perl self 216 HV *self; // CF+ perl self
131 AV *cb; // CF+ callbacks 217 AV *cb; // CF+ callbacks
132 shstr attach; // generic extension attachment information 218 shstr attach; // generic extension attachment information
133 219
220 void sever_self (); // sever this object from its self, if it has one.
134 void optimise (); // possibly save some memory by destroying unneeded data 221 void optimise (); // possibly save some memory by destroying unneeded data
135 222
136 attachable () 223 attachable ()
137 : flags (0), refcnt (0), self (0), cb (0), attach (0) 224 : flags (0), self (0), cb (0), attach (0)
138 { 225 {
139 } 226 }
140 227
141 attachable (const attachable &src) 228 attachable (const attachable &src)
142 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 229 : flags (0), self (0), cb (0), attach (src.attach)
143 { 230 {
144 } 231 }
145 232
146 virtual ~attachable (); 233 // set a custom key to the given value, or delete it if value = 0
234 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
235
236 void set_key_text (const char *key, const char *value = 0)
237 {
238 set_key (key, value, 1);
239 }
240
241 void set_key_data (const char *key, const char *value = 0)
242 {
243 set_key (key, value, 0);
244 }
147 245
148 attachable &operator =(const attachable &src); 246 attachable &operator =(const attachable &src);
149 247
248 // used to _quickly_ device wether to shortcut the evaluation
249 bool should_invoke (event_type event)
250 {
251 return ev_want_event [event] || cb;
252 }
253
150 bool invoke (event_type event, ...); 254 bool invoke (event_type event, ...);
255
151 void instantiate (); 256 MTH void instantiate ();
152 void reattach (); 257 void reattach ();
153 258
154protected: 259protected:
155 // do the real refcount checking work 260 // do the real refcount checking work
156 void do_check (); 261 void do_check ();
157 262
158 // the method that does the real destroy work 263 // the method that does the real destroy work
159 virtual void do_destroy (); 264 virtual void do_destroy ();
265
266 // destructor is protected, should not be called by anybody
267 virtual ~attachable ();
160}; 268};
161 269
162// the global object is a pseudo object that cares for the global events 270// the global object is a pseudo object that cares for the global events
163struct global : attachable 271struct global : attachable
164{ 272{
165 void gather_callbacks (AV *&callbacks, event_type event) const; 273 void gather_callbacks (AV *&callbacks, event_type event) const;
166}; 274};
167 275
168extern struct global gbl_ev; 276extern struct global gbl_ev;
169 277
278//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
279
280INTERFACE_CLASS(object_freezer)
170struct object_freezer : dynbuf 281struct object_freezer : dynbuf_text
171{ 282{
172 AV *av; 283 AV *av;
173 284
174 object_freezer (); 285 object_freezer ();
175 ~object_freezer (); 286 ~object_freezer ();
179 // used only for user-defined key-value pairs 290 // used only for user-defined key-value pairs
180 void put (const shstr &k, const shstr &v) 291 void put (const shstr &k, const shstr &v)
181 { 292 {
182 add (k); 293 add (k);
183 294
184 if (v) 295 if (expect_true (v))
185 add (' '), add (v); 296 add (' '), add (v);
186 297
187 add ('\n'); 298 add ('\n');
188 } 299 }
189 300
190 //TODO//temporary, used only for saving body locations
191 void put (const char *k, int v)
192 {
193 add (k);
194 add (' ');
195 add (sint32 (v));
196 add ('\n');
197 }
198
199 template<typename T> 301 template<typename T>
200 void put_string (keyword k, const T &v) 302 void put_kw_string (keyword k, const T &v)
201 { 303 {
202 int klen = keyword_len [k]; 304 int klen = keyword_len [k];
203 int vlen = v ? strlen (v) + 1 : 0; 305 int vlen = v ? strlen (v) + 1 : 0;
204 306
205 char *p = (char *)alloc (klen + vlen + 1); 307 char *p = (char *)alloc (klen + vlen + 1);
206 308
207 memcpy (p, keyword_str [k], klen); p += klen; 309 memcpy (p, keyword_str [k], klen); p += klen;
208 310
209 if (v) 311 if (expect_true (v))
210 { 312 {
211 *p++ = ' '; vlen--; 313 *p++ = ' '; vlen--;
212 memcpy (p, v, vlen); p += vlen; 314 memcpy (p, v, vlen); p += vlen;
213 } 315 }
214 316
215 *p = '\n'; 317 *p = '\n';
216 } 318 }
217 319
218 void put (keyword k, const char *v) 320 void put (keyword k, const char *v = 0)
219 { 321 {
220 put_string (k, v); 322 put_kw_string (k, v);
221 } 323 }
222 324
223 void put (keyword k, const shstr &v) 325 void put (keyword k, const shstr &v)
224 { 326 {
225 put_string (k, v); 327 put_kw_string (k, v);
226 } 328 }
227 329
228 void put (keyword k, double v) 330 void put (keyword k, double v)
229 { 331 {
230 char buf [128]; 332 force (MAX_KEYWORD_LEN + 2 + 32);
231 333 fadd (keyword_str [k], keyword_len [k]);
232 snprintf (buf, 128, "%.7g", v); 334 fadd (' ');
233 335 falloc (sprintf (ptr, "%.7g", v));
234 put (k, (const char *)buf); 336 fadd ('\n');
235 } 337 }
236 338
237 void put_(keyword k, sint64 v) 339 void put_(keyword k, sint64 v)
238 { 340 {
341 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
239 add (keyword_str [k], keyword_len [k]); 342 fadd (keyword_str [k], keyword_len [k]);
240 add (' '); 343 fadd (' ');
241 add (v); 344 add (v);
242 add ('\n'); 345 fadd ('\n');
243 } 346 }
244 347
245 void put_(keyword k, sint32 v) 348 void put_(keyword k, sint32 v)
246 { 349 {
350 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
247 add (keyword_str [k], keyword_len [k]); 351 fadd (keyword_str [k], keyword_len [k]);
248 add (' '); 352 fadd (' ');
249 add (v); 353 add (v);
250 add ('\n'); 354 fadd ('\n');
251 }
252
253 void put (keyword kbeg, keyword kend, const shstr &v)
254 {
255 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
256
257 if (v)
258 {
259 add (v);
260 add ('\n');
261 }
262
263 add (keyword_str [kend], keyword_len [kend]); add ('\n');
264 } 355 }
265 356
266 void put (keyword k, float v) { put (k, (double)v); } 357 void put (keyword k, float v) { put (k, (double)v); }
267 void put (keyword k, signed char v) { put_(k, (sint32)v); } 358 void put (keyword k, signed char v) { put_(k, (sint32)v); }
268 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 359 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
273 void put (keyword k, signed long v) { put_(k, (sint64)v); } 364 void put (keyword k, signed long v) { put_(k, (sint64)v); }
274 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 365 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
275 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 366 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
276 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 367 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
277 368
278 template<typename T> 369 void put (keyword kbeg, keyword kend, const shstr &v)
370 {
371 force (MAX_KEYWORD_LEN + 1);
372 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
373
374 if (expect_true (v))
375 {
376 add (v);
377 add ('\n');
378 }
379
380 force (MAX_KEYWORD_LEN + 1);
381 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
382 }
383
384 void put (keyword k, archetype *v);
385 void put (keyword k, treasurelist *v);
279 void put (keyword k, const T *v) 386 void put (keyword k, faceinfo *v);
280 {
281 if (v)
282 put (k, v->name);
283 else
284 put (k, (const char *)0);
285 }
286 387
287 template<typename T> 388 template<typename T>
288 void put (keyword k, const refptr<T> &v) 389 void put (keyword k, const refptr<T> &v)
289 { 390 {
290 put (k, (T *)v); 391 put (k, (T *)v);
291 } 392 }
292 393
293 bool save (const char *filename); 394 MTH bool save (const_octet_string path);
294 char *as_string (); // like strdup 395 char *as_string (); // like strdup
295 396
296 operator bool () { return !!av; } 397 operator bool () { return !!av; }
297}; 398};
298 399
299// compatibility support, should be removed when no longer needed 400INTERFACE_CLASS(object_thawer)
300int fprintf (object_freezer &freezer, const char *format, ...);
301int fputs (const char *s, object_freezer &freezer);
302
303struct object_thawer 401struct object_thawer
304{ 402{
403 char *line; // current beginning of line
305 SV *text; // text part 404 SV *text; // text part
306 AV *av; // perl part 405 AV *av; // perl part
307 char *line; // current beginning of line 406 int linenum;
308 char *last_value; 407 keyword kw;
408 char *kw_str; // the keyword parsed, as string
409 char *value; // the value, or 0 if no value
410 const char *value_nn; // the value, or the empty string if no value
411 const char *name;
309 412
310 operator bool () { return !!text; } 413 operator bool () const { return !!text; }
311 414
312 object_thawer (const char *filename = 0); 415 object_thawer (const char *path = 0);
313 object_thawer (const char *data, AV *perlav); 416 object_thawer (const char *data, AV *perlav);
314 ~object_thawer (); 417 ~object_thawer ();
315 418
316 void get (attachable *obj, int oid); 419 void get (attachable *obj, int oid);
317 420
318 keyword get_kv (); // also parse value for later use 421 // parse next line
422 MTH void next ();
423 // skip the current key-value (usually fetch next line, for
424 // multiline-fields, skips till the corresponding end-kw
425 MTH void skip ();
426 MTH void skip_block (); // skips till and over KW_end
319 427
320 const char *get_str () { return last_value; } // may be 0 428 char *get_str () { return value; } // may be 0
321
322 void get (shstr &sh) const;
323 void get_ornull (shstr &sh) const { sh = last_value; }
324 void get_ml (keyword kend, shstr &sh); 429 void get_ml (keyword kend, shstr &sh);
325 430
431 void get_ornull (shstr &sh) const { sh = value; }
432 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
433
434 bool get_bool () const { return *value_nn == '1'; }
326 sint32 get_sint32 () const; 435 sint32 get_sint32 () const;
327 sint64 get_sint64 () const; 436 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
328 double get_double () const; 437 double get_double () const { return strtod (value_nn, 0); }
329 438
330 void get (float &v) { v = get_double (); } 439 void get (float &v) { v = get_double (); }
331 void get (double &v) { v = get_double (); } 440 void get (double &v) { v = get_double (); }
332 441
442 void get (bool &i) { i = get_bool (); }
333 void get (sint8 &i) { i = get_sint32 (); } 443 void get (sint8 &i) { i = get_sint32 (); }
334 void get (uint8 &i) { i = get_sint32 (); } 444 void get (uint8 &i) { i = get_sint32 (); }
335 void get (sint16 &i) { i = get_sint32 (); } 445 void get (sint16 &i) { i = get_sint32 (); }
336 void get (uint16 &i) { i = get_sint32 (); } 446 void get (uint16 &i) { i = get_sint32 (); }
337 void get (sint32 &i) { i = get_sint32 (); } 447 void get (sint32 &i) { i = get_sint32 (); }
338 448
339 void get (uint32 &i) { i = get_sint64 (); } 449 void get (uint32 &i) { i = get_sint64 (); }
340 void get (sint64 &i) { i = get_sint64 (); } 450 void get (sint64 &i) { i = get_sint64 (); }
341};
342 451
452 MTH void parse_warn (const char *msg);
453 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
454
455 struct delayed_ref {
456 attachable *op;
457 object_ptr *ptr;
458 const char *ref;
459 };
460 std::vector<delayed_ref> delrefs;
461
462 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
463 MTH void resolve_delayed_derefs (bool deref = true);
464};
465
466//TODO: remove
343char *fgets (char *s, int n, object_thawer &thawer); 467char *fgets (char *s, int n, object_thawer &thawer);
344 468
345struct watcher_base 469//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
470
471struct coroapi {
472 static struct CoroAPI *GCoroAPI;
473
474 static EV_ATOMIC_T cede_pending;
475
476 static int nready () { return CORO_NREADY; }
477 static int cede () { cede_pending = 0; return CORO_CEDE ; }
478
479 static void do_cede_to_tick ();
480
481 // actually cede's far more often
482 static bool cede_to_tick ()
483 {
484 if (expect_true (!cede_pending))
485 return false;
486
487 do_cede_to_tick ();
488 return true;
489 }
490
491 static void wait_for_tick ();
492 static void wait_for_tick_begin ();
493};
494
495struct evapi
346{ 496{
347 static struct EventAPI *GEventAPI; 497 static struct EVAPI *GEVAPI;
348}; 498};
349 499
350template<class base>
351struct watcher : watcher_base
352{
353 base *pe;
354
355 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
356 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
357 void now () { GEventAPI->now ((pe_watcher *)pe); }
358 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
359 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
360
361 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
362
363 ~watcher ()
364 {
365 cancel ();
366 }
367
368private:
369 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
370};
371
372struct iw : watcher<pe_idle>, callback<void (iw &)>
373{
374 template<class O, class M>
375 iw (O object, M method)
376 : callback<void (iw &)> (object, method)
377 {
378 alloc ();
379 }
380
381private:
382 void alloc ();
383};
384
385struct iow : watcher<pe_io>, callback<void (iow &, int)> 500struct iow : ev_io, evapi, callback<void (iow &, int)>
386{ 501{
502 static void thunk (EV_P_ struct ev_io *w_, int revents)
503 {
504 iow &w = *static_cast<iow *>(w_);
505
506 w (w, revents);
507 }
508
387 template<class O, class M> 509 template<class O, class M>
388 iow (O object, M method) 510 iow (O object, M method)
389 : callback<void (iow &, int)> (object, method) 511 : callback<void (iow &, int)> (object, method)
390 { 512 {
391 alloc (); 513 ev_init ((ev_io *)this, thunk);
392 } 514 }
393 515
394 void fd (int fd); 516 void prio (int prio)
395 int poll (); 517 {
518 ev_set_priority ((ev_io *)this, prio);
519 }
520
521 void set (int fd, int events)
522 {
523 ev_io_set ((ev_io *)this, fd, events);
524 }
525
526 int poll () const { return events; }
527
396 void poll (int events); 528 void poll (int events);
397 529
398private: 530 void start ()
399 void alloc (); 531 {
532 ev_io_start (EV_DEFAULT, (ev_io *)this);
533 }
534
535 void stop ()
536 {
537 ev_io_stop (EV_DEFAULT, (ev_io *)this);
538 }
539
540 ~iow ()
541 {
542 stop ();
543 }
544};
545
546struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
547{
548 static void thunk (EV_P_ struct ev_async *w_, int revents)
549 {
550 asyncw &w = *static_cast<asyncw *>(w_);
551
552 w (w, revents);
553 }
554
555 template<class O, class M>
556 asyncw (O object, M method)
557 : callback<void (asyncw &, int)> (object, method)
558 {
559 ev_init ((ev_async *)this, thunk);
560 }
561
562 void start ()
563 {
564 ev_async_start (EV_DEFAULT, (ev_async *)this);
565 }
566
567 void stop ()
568 {
569 ev_async_stop (EV_DEFAULT, (ev_async *)this);
570 }
571
572 ~asyncw ()
573 {
574 stop ();
575 }
400}; 576};
401 577
402#endif 578#endif
403 579

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