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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 1.107 by root, Mon Oct 12 04:02:17 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>
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
23#undef srandom 54#undef srandom
55#undef opendir
24#undef readdir 56#undef readdir
57#undef closedir
25#undef getprotobyname 58#undef getprotobyname
26#undef gethostbyname 59#undef gethostbyname
27#undef ctime 60#undef ctime
28#undef strerror 61#undef strerror
62#undef _
29 63
30// same here, massive symbol spamming 64// same here, massive symbol spamming
31#undef do_open 65#undef do_open
32#undef do_close 66#undef do_close
67#undef ref
68#undef seed
33 69
34// perl bug #40256: perl does overwrite those with reentrant versions 70// perl bug #40256: perl does overwrite those with reentrant versions
35// but does not initialise their state structures. 71// but does not initialise their state structures.
36#undef random 72#undef random
37#undef crypt 73#undef crypt
38 74
75//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
76
77#define _(msg) (msg)
78#define N_(msg) (msg)
79
80//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
81
82// some macros to simplify perl in-calls
83
84#define CHECK_ERROR \
85 if (SvTRUE (ERRSV)) \
86 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
87
88inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); }
89inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); }
90
91#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
92#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
93#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
94#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN;
95#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
96
97//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
98
39void cfperl_init (); 99void cfperl_init ();
40void cfperl_main (); 100void cfperl_main ();
101void cfperl_tick ();
102void cfperl_emergency_save ();
103void cfperl_cleanup (int make_core);
104void cfperl_make_book (object *book, int level);
105void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
106int cfperl_can_merge (object *ob1, object *ob2);
107void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
108
109bool is_match_expr (const char *expr);
110/* applies the match expression and returns true if it matches */
111bool match (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
112
113//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
114
115#if IVSIZE >= 8
116 typedef IV val64;
117 typedef IV uval64;
118# define newSVval64 newSViv
119# define SvVAL64 SvIV
120# define newSVuval64 newSVuv
121# define SvUVAL64 SvUV
122#else
123 typedef double val64;
124 typedef double uval64;
125# define newSVval64 newSVnv
126# define SvVAL64 SvNV
127# define newSVuval64 newSVnv
128# define SvUVAL64 SvNV
129#endif
130
131extern tstamp runtime; // virtual server time, excluding time jumps and lag
132extern tstamp NOW; // real time of current server tick
41 133
42enum event_klass 134enum event_klass
43{ 135{
44 KLASS_NONE, 136 KLASS_NONE,
45 KLASS_GLOBAL, 137 KLASS_GLOBAL,
56# define def(klass,name) EVENT_ ## klass ## _ ## name, 148# define def(klass,name) EVENT_ ## klass ## _ ## name,
57# include "eventinc.h" 149# include "eventinc.h"
58# undef def 150# undef def
59 NUM_EVENT_TYPES 151 NUM_EVENT_TYPES
60}; 152};
153
154// in which global events or per-type events are we interested
155extern bitset<NUM_EVENT_TYPES> ev_want_event;
156extern bitset<NUM_TYPES> ev_want_type;
61 157
62#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 158#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
63#define ARG_INT(v) DT_INT , static_cast<int> (v) 159#define ARG_INT(v) DT_INT , static_cast<int> (v)
64#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 160#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
65#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 161#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
72#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 168#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
73#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 169#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
74#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 170#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
75 171
76// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 172// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
77 173#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) 174#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) 175#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) 176#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) 177#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) 178#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) 179#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
85 180
86//TODO should index into @result 181//TODO should index into @result
87#define RESULT(idx,type) cfperl_result_ ## type (idx) 182#define RESULT(idx,type) cfperl_result_ ## type (idx)
88#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 183#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
89#define RESULT_INT(idx) RESULT(idx, INT) 184#define RESULT_INT(idx) RESULT(idx, INT)
90 185
91double cfperl_result_DOUBLE (int idx); 186double cfperl_result_DOUBLE (int idx);
92int cfperl_result_INT (int idx); 187int cfperl_result_INT (int idx);
93 188
94struct attachable 189//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
190
191INTERFACE_CLASS (attachable)
192struct attachable : refcnt_base
95{ 193{
194 static MGVTBL vtbl;
195
196 enum {
197 F_DESTROYED = 0x01,
198 F_DEBUG_TRACE = 0x02,
199 };
200 uint8 ACC (RW, flags);
201
96 static unordered_vector<attachable *> mortals; 202 static unordered_vector<attachable *> mortals;
97 static void check_mortals (); 203 MTH static void check_mortals ();
98
99 enum {
100 F_DESTROYED = 0x01,
101 F_BORROWED = 0x02,
102 };
103 204
104 // object is delete'd after the refcount reaches 0 205 // object is delete'd after the refcount reaches 0
105 mutable int refcnt; 206 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 207 // check wether the object has died and destroy
112 void refcnt_chk () { if (refcnt <= 0) do_check (); } 208 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
113 209
114 // destroy the object unless it was already destroyed 210 // destroy the object unless it was already destroyed
115 // this politely asks everybody interested the reduce 211 // this politely asks everybody interested the reduce
116 // the refcount to 0 as soon as possible. 212 // the refcount to 0 as soon as possible.
117 void destroy (); 213 MTH void destroy ();
118 214
119 // return wether an object was destroyed already 215 // return wether an object was destroyed already
120 bool destroyed () const { return flags & F_DESTROYED; } 216 MTH bool destroyed () const { return flags & F_DESTROYED; }
121 217
122 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 218 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
123 219
124#if 0 220#if 0
125private: 221private:
129 225
130 HV *self; // CF+ perl self 226 HV *self; // CF+ perl self
131 AV *cb; // CF+ callbacks 227 AV *cb; // CF+ callbacks
132 shstr attach; // generic extension attachment information 228 shstr attach; // generic extension attachment information
133 229
230 void sever_self (); // sever this object from its self, if it has one.
134 void optimise (); // possibly save some memory by destroying unneeded data 231 void optimise (); // possibly save some memory by destroying unneeded data
135 232
136 attachable () 233 attachable ()
137 : flags (0), refcnt (0), self (0), cb (0), attach (0) 234 : flags (0), self (0), cb (0), attach (0)
138 { 235 {
139 } 236 }
140 237
141 attachable (const attachable &src) 238 attachable (const attachable &src)
142 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 239 : flags (0), self (0), cb (0), attach (src.attach)
143 { 240 {
144 } 241 }
145 242
146 virtual ~attachable (); 243 // set a custom key to the given value, or delete it if value = 0
244 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
245
246 void set_key_text (const char *key, const char *value = 0)
247 {
248 set_key (key, value, 1);
249 }
250
251 void set_key_data (const char *key, const char *value = 0)
252 {
253 set_key (key, value, 0);
254 }
147 255
148 attachable &operator =(const attachable &src); 256 attachable &operator =(const attachable &src);
149 257
258 // used to _quickly_ device wether to shortcut the evaluation
259 bool should_invoke (event_type event)
260 {
261 return ev_want_event [event] || cb;
262 }
263
150 bool invoke (event_type event, ...); 264 bool invoke (event_type event, ...);
265
151 void instantiate (); 266 MTH void instantiate ();
152 void reattach (); 267 void reattach ();
153 268
154protected: 269protected:
155 // do the real refcount checking work 270 // do the real refcount checking work
156 void do_check (); 271 void do_check ();
157 272
158 // the method that does the real destroy work 273 // the method that does the real destroy work
159 virtual void do_destroy (); 274 virtual void do_destroy ();
275
276 // destructor is protected, should not be called by anybody
277 virtual ~attachable ();
160}; 278};
161 279
162// the global object is a pseudo object that cares for the global events 280// the global object is a pseudo object that cares for the global events
163struct global : attachable 281struct global : attachable
164{ 282{
165 void gather_callbacks (AV *&callbacks, event_type event) const; 283 void gather_callbacks (AV *&callbacks, event_type event) const;
166}; 284};
167 285
168extern struct global gbl_ev; 286extern struct global gbl_ev;
169 287
288//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
289
290INTERFACE_CLASS(object_freezer)
170struct object_freezer : dynbuf 291struct object_freezer : dynbuf_text
171{ 292{
172 AV *av; 293 AV *av;
173 294
174 object_freezer (); 295 object_freezer ();
175 ~object_freezer (); 296 ~object_freezer ();
176 297
177 void put (attachable *ext); 298 void put (attachable *ext);
178 299
179 // used only for user-defined key-value pairs 300 // used only for user-defined key-value pairs
180 void put (const shstr &k, const shstr &v) 301 void put (shstr_tmp k, shstr_tmp v)
181 { 302 {
182 add (k); 303 add (k);
183 304
184 if (v) 305 if (expect_true (v))
185 add (' '), add (v); 306 add (' '), add (v);
186 307
187 add ('\n'); 308 add ('\n');
188 } 309 }
189 310
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> 311 template<typename T>
200 void put_string (keyword k, const T &v) 312 void put_kw_string (keyword k, const T &v)
201 { 313 {
202 int klen = keyword_len [k]; 314 int klen = keyword_len [k];
203 int vlen = v ? strlen (v) + 1 : 0; 315 int vlen = v ? strlen (v) + 1 : 0;
204 316
205 char *p = (char *)alloc (klen + vlen + 1); 317 char *p = (char *)alloc (klen + vlen + 1);
206 318
207 memcpy (p, keyword_str [k], klen); p += klen; 319 memcpy (p, keyword_str [k], klen); p += klen;
208 320
209 if (v) 321 if (expect_true (v))
210 { 322 {
211 *p++ = ' '; vlen--; 323 *p++ = ' '; vlen--;
212 memcpy (p, v, vlen); p += vlen; 324 memcpy (p, v, vlen); p += vlen;
213 } 325 }
214 326
215 *p = '\n'; 327 *p = '\n';
216 } 328 }
217 329
218 void put (keyword k, const char *v) 330 void put (keyword k, const char *v = 0)
219 { 331 {
220 put_string (k, v); 332 put_kw_string (k, v);
221 } 333 }
222 334
223 void put (keyword k, const shstr &v) 335 void put (keyword k, shstr_tmp v)
224 { 336 {
225 put_string (k, v); 337 put_kw_string (k, v);
226 } 338 }
227 339
228 void put (keyword k, double v) 340 void put (keyword k, double v)
229 { 341 {
230 char buf [128]; 342 force (MAX_KEYWORD_LEN + 2 + 32);
231 343 fadd (keyword_str [k], keyword_len [k]);
232 snprintf (buf, 128, "%.7g", v); 344 fadd (' ');
233 345 falloc (sprintf (ptr, "%.7g", v));
234 put (k, (const char *)buf); 346 fadd ('\n');
235 } 347 }
236 348
237 void put_(keyword k, sint64 v) 349 void put_(keyword k, sint64 v)
238 { 350 {
351 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
239 add (keyword_str [k], keyword_len [k]); 352 fadd (keyword_str [k], keyword_len [k]);
240 add (' '); 353 fadd (' ');
241 add (v); 354 add (v);
242 add ('\n'); 355 fadd ('\n');
243 } 356 }
244 357
245 void put_(keyword k, sint32 v) 358 void put_(keyword k, sint32 v)
246 { 359 {
360 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
247 add (keyword_str [k], keyword_len [k]); 361 fadd (keyword_str [k], keyword_len [k]);
248 add (' '); 362 fadd (' ');
249 add (v); 363 add (v);
250 add ('\n'); 364 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 } 365 }
265 366
266 void put (keyword k, float v) { put (k, (double)v); } 367 void put (keyword k, float v) { put (k, (double)v); }
267 void put (keyword k, signed char v) { put_(k, (sint32)v); } 368 void put (keyword k, signed char v) { put_(k, (sint32)v); }
268 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 369 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
273 void put (keyword k, signed long v) { put_(k, (sint64)v); } 374 void put (keyword k, signed long v) { put_(k, (sint64)v); }
274 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 375 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
275 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 376 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); } 377 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
277 378
278 template<typename T> 379 void put (keyword kbeg, keyword kend, shstr_tmp v)
380 {
381 force (MAX_KEYWORD_LEN + 1);
382 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
383
384 if (expect_true (v))
385 {
386 add (v);
387 add ('\n');
388 }
389
390 force (MAX_KEYWORD_LEN + 1);
391 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
392 }
393
394 void put (keyword k, archetype *v);
395 void put (keyword k, treasurelist *v);
279 void put (keyword k, const T *v) 396 void put (keyword k, faceinfo *v);
280 {
281 if (v)
282 put (k, v->name);
283 else
284 put (k, (const char *)0);
285 }
286 397
287 template<typename T> 398 template<typename T>
288 void put (keyword k, const refptr<T> &v) 399 void put (keyword k, const refptr<T> &v)
289 { 400 {
290 put (k, (T *)v); 401 put (k, (T *)v);
291 } 402 }
292 403
293 bool save (const char *filename); 404 MTH bool save (const_octet_string path);
294 char *as_string (); // like strdup 405 char *as_string (); // like strdup
295 406
296 operator bool () { return !!av; } 407 operator bool () { return !!av; }
297}; 408};
298 409
299// compatibility support, should be removed when no longer needed 410INTERFACE_CLASS(object_thawer)
300int fprintf (object_freezer &freezer, const char *format, ...);
301int fputs (const char *s, object_freezer &freezer);
302
303struct object_thawer 411struct object_thawer
304{ 412{
413 char *line; // current beginning of line
305 SV *text; // text part 414 SV *text; // text part
306 AV *av; // perl part 415 AV *av; // perl part
307 char *line; // current beginning of line 416 int linenum;
308 char *last_value; 417 keyword kw;
418 char *kw_str; // the keyword parsed, as string
419 char *value; // the value, or 0 if no value
420 const char *value_nn; // the value, or the empty string if no value
421 const char *name;
309 422
310 operator bool () { return !!text; } 423 operator bool () const { return !!text; }
311 424
312 object_thawer (const char *filename = 0); 425 object_thawer (const char *path = 0);
313 object_thawer (const char *data, AV *perlav); 426 object_thawer (const char *data, AV *perlav);
314 ~object_thawer (); 427 ~object_thawer ();
315 428
316 void get (attachable *obj, int oid); 429 void get (attachable *obj, int oid);
317 430
318 keyword get_kv (); // also parse value for later use 431 // parse next line
432 MTH void next ();
433 // skip the current key-value (usually fetch next line, for
434 // multiline-fields, skips till the corresponding end-kw
435 MTH void skip ();
436 MTH void skip_block (); // skips till and over KW_end
319 437
320 const char *get_str () { return last_value; } // may be 0 438 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); 439 void get_ml (keyword kend, shstr &sh);
325 440
441 void get_ornull (shstr &sh) const { sh = value; }
442 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
443
444 bool get_bool () const { return *value_nn == '1'; }
326 sint32 get_sint32 () const; 445 sint32 get_sint32 () const;
327 sint64 get_sint64 () const; 446 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
328 double get_double () const; 447 double get_double () const { return strtod (value_nn, 0); }
329 448
330 void get (float &v) { v = get_double (); } 449 void get (float &v) { v = get_double (); }
331 void get (double &v) { v = get_double (); } 450 void get (double &v) { v = get_double (); }
332 451
452 void get (bool &i) { i = get_bool (); }
333 void get (sint8 &i) { i = get_sint32 (); } 453 void get (sint8 &i) { i = get_sint32 (); }
334 void get (uint8 &i) { i = get_sint32 (); } 454 void get (uint8 &i) { i = get_sint32 (); }
335 void get (sint16 &i) { i = get_sint32 (); } 455 void get (sint16 &i) { i = get_sint32 (); }
336 void get (uint16 &i) { i = get_sint32 (); } 456 void get (uint16 &i) { i = get_sint32 (); }
337 void get (sint32 &i) { i = get_sint32 (); } 457 void get (sint32 &i) { i = get_sint32 (); }
338 458
339 void get (uint32 &i) { i = get_sint64 (); } 459 void get (uint32 &i) { i = get_sint64 (); }
340 void get (sint64 &i) { i = get_sint64 (); } 460 void get (sint64 &i) { i = get_sint64 (); }
341};
342 461
462 MTH void parse_warn (const char *msg);
463 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
464
465 struct delayed_ref {
466 attachable *op;
467 object_ptr *ptr;
468 const char *ref;
469 };
470 std::vector<delayed_ref> delrefs;
471
472 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
473 MTH void resolve_delayed_derefs (bool deref = true);
474};
475
476//TODO: remove
343char *fgets (char *s, int n, object_thawer &thawer); 477char *fgets (char *s, int n, object_thawer &thawer);
344 478
345struct watcher_base 479//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
480
481struct coroapi {
482 static struct CoroAPI *GCoroAPI;
483
484 static EV_ATOMIC_T cede_pending;
485
486 static int nready () { return CORO_NREADY; }
487 static int cede () { cede_pending = 0; return CORO_CEDE ; }
488
489 static void do_cede_to_tick ();
490
491 // actually cede's far more often
492 static bool cede_to_tick ()
493 {
494 if (expect_true (!cede_pending))
495 return false;
496
497 do_cede_to_tick ();
498 return true;
499 }
500
501 static void wait_for_tick ();
502 static void wait_for_tick_begin ();
503};
504
505struct evapi
346{ 506{
347 static struct EventAPI *GEventAPI; 507 static struct EVAPI *GEVAPI;
348}; 508};
349 509
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)> 510struct iow : ev_io, evapi, callback<void (iow &, int)>
386{ 511{
512 static void thunk (EV_P_ struct ev_io *w_, int revents)
513 {
514 iow &w = *static_cast<iow *>(w_);
515
516 w (w, revents);
517 }
518
387 template<class O, class M> 519 template<class O, class M>
388 iow (O object, M method) 520 iow (O object, M method)
389 : callback<void (iow &, int)> (object, method) 521 : callback<void (iow &, int)> (object, method)
390 { 522 {
391 alloc (); 523 ev_init ((ev_io *)this, thunk);
392 } 524 }
393 525
394 void fd (int fd); 526 void prio (int prio)
395 int poll (); 527 {
528 ev_set_priority ((ev_io *)this, prio);
529 }
530
531 void set (int fd, int events)
532 {
533 ev_io_set ((ev_io *)this, fd, events);
534 }
535
536 int poll () const { return events; }
537
396 void poll (int events); 538 void poll (int events);
397 539
398private: 540 void start ()
399 void alloc (); 541 {
542 ev_io_start (EV_DEFAULT, (ev_io *)this);
543 }
544
545 void stop ()
546 {
547 ev_io_stop (EV_DEFAULT, (ev_io *)this);
548 }
549
550 ~iow ()
551 {
552 stop ();
553 }
554};
555
556struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
557{
558 static void thunk (EV_P_ struct ev_async *w_, int revents)
559 {
560 asyncw &w = *static_cast<asyncw *>(w_);
561
562 w (w, revents);
563 }
564
565 template<class O, class M>
566 asyncw (O object, M method)
567 : callback<void (asyncw &, int)> (object, method)
568 {
569 ev_init ((ev_async *)this, thunk);
570 }
571
572 void start ()
573 {
574 ev_async_start (EV_DEFAULT, (ev_async *)this);
575 }
576
577 void stop ()
578 {
579 ev_async_stop (EV_DEFAULT, (ev_async *)this);
580 }
581
582 ~asyncw ()
583 {
584 stop ();
585 }
400}; 586};
401 587
402#endif 588#endif
403 589

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