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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.45 by root, Sun Dec 31 17:17:23 2006 UTC vs.
Revision 1.95 by root, Fri Apr 11 13:59:06 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>
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"
… …
30#undef readdir 55#undef readdir
31#undef getprotobyname 56#undef getprotobyname
32#undef gethostbyname 57#undef gethostbyname
33#undef ctime 58#undef ctime
34#undef strerror 59#undef strerror
60#undef _
35 61
36// same here, massive symbol spamming 62// same here, massive symbol spamming
37#undef do_open 63#undef do_open
38#undef do_close 64#undef do_close
39#undef ref 65#undef ref
… …
44#undef random 70#undef random
45#undef crypt 71#undef crypt
46 72
47////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 73//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
48 74
75#define _(msg) (msg)
76#define N_(msg) (msg)
77
78//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
79
49// some macros to simplify perl in-calls 80// some macros to simplify perl in-calls
50 81
51#define CHECK_ERROR \ 82#define CHECK_ERROR \
52 if (SvTRUE (ERRSV)) \ 83 if (SvTRUE (ERRSV)) \
53 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 84 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
54 85
55#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 86#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 87#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))) 88#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; 89#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
… …
60 91
61////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 92//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62 93
63void cfperl_init (); 94void cfperl_init ();
64void 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);
65 102
66////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 103//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
67 104
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# define newSVval64 newSVnv
115# define SvVAL64 SvNV
116# define newSVuval64 newSVnv
117# define SvUVAL64 SvNV
118#endif
119
68// virtual server time, excluding time jumps and lag 120extern tstamp runtime; // virtual server time, excluding time jumps and lag
69extern double runtime; 121extern tstamp NOW; // real time of current server tick
70 122
71enum event_klass 123enum event_klass
72{ 124{
73 KLASS_NONE, 125 KLASS_NONE,
74 KLASS_GLOBAL, 126 KLASS_GLOBAL,
… …
85# define def(klass,name) EVENT_ ## klass ## _ ## name, 137# define def(klass,name) EVENT_ ## klass ## _ ## name,
86# include "eventinc.h" 138# include "eventinc.h"
87# undef def 139# undef def
88 NUM_EVENT_TYPES 140 NUM_EVENT_TYPES
89}; 141};
142
143// in which global events or per-type events are we interested
144extern bitset<NUM_EVENT_TYPES> ev_want_event;
145extern bitset<NUM_TYPES> ev_want_type;
90 146
91#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 147#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
92#define ARG_INT(v) DT_INT , static_cast<int> (v) 148#define ARG_INT(v) DT_INT , static_cast<int> (v)
93#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 149#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
94#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 150#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
… …
101#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 157#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
102#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 158#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
103#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 159#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
104 160
105// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 161// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
106 162#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
107// all these return true when the normal event processing should be skipped (if any)
108#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) 163#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
109#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) 164#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
110#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) 165#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
111#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) 166#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
112#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) 167#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
113#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) 168#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
114 169
115//TODO should index into @result 170//TODO should index into @result
116#define RESULT(idx,type) cfperl_result_ ## type (idx) 171#define RESULT(idx,type) cfperl_result_ ## type (idx)
117#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 172#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
118#define RESULT_INT(idx) RESULT(idx, INT) 173#define RESULT_INT(idx) RESULT(idx, INT)
… …
120double cfperl_result_DOUBLE (int idx); 175double cfperl_result_DOUBLE (int idx);
121int cfperl_result_INT (int idx); 176int cfperl_result_INT (int idx);
122 177
123////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 178//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
124 179
125struct attachable 180INTERFACE_CLASS (attachable)
181struct attachable : refcnt_base
126{ 182{
127 static MGVTBL vtbl; 183 static MGVTBL vtbl;
128 184
129 static unordered_vector<attachable *> mortals; 185 static unordered_vector<attachable *> mortals;
130 static void check_mortals (); 186 MTH static void check_mortals ();
131 187
132 enum { 188 enum {
133 F_DESTROYED = 0x01, 189 F_DESTROYED = 0x01,
134 F_BORROWED = 0x02, 190 F_DEBUG_TRACE = 0x02,
135 }; 191 };
192 int ACC (RW, flags);
136 193
137 // object is delete'd after the refcount reaches 0 194 // object is delete'd after the refcount reaches 0
138 mutable int refcnt; 195 MTH int refcnt_cnt () const;
139 int flags;
140
141 void refcnt_inc () const { ++refcnt; }
142 void refcnt_dec () const { --refcnt; }
143
144 // check wether the object has died and destroy 196 // check wether the object has died and destroy
145 void refcnt_chk () { if (refcnt <= 0) do_check (); } 197 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
146 198
147 // destroy the object unless it was already destroyed 199 // destroy the object unless it was already destroyed
148 // this politely asks everybody interested the reduce 200 // this politely asks everybody interested the reduce
149 // the refcount to 0 as soon as possible. 201 // the refcount to 0 as soon as possible.
150 void destroy (); 202 MTH void destroy ();
151 203
152 // return wether an object was destroyed already 204 // return wether an object was destroyed already
153 bool destroyed () const { return flags & F_DESTROYED; } 205 MTH bool destroyed () const { return flags & F_DESTROYED; }
154 206
155 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 207 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
156 208
157#if 0 209#if 0
158private: 210private:
… …
162 214
163 HV *self; // CF+ perl self 215 HV *self; // CF+ perl self
164 AV *cb; // CF+ callbacks 216 AV *cb; // CF+ callbacks
165 shstr attach; // generic extension attachment information 217 shstr attach; // generic extension attachment information
166 218
219 void sever_self (); // sever this object from its self, if it has one.
167 void optimise (); // possibly save some memory by destroying unneeded data 220 void optimise (); // possibly save some memory by destroying unneeded data
168 221
169 attachable () 222 attachable ()
170 : flags (0), refcnt (0), self (0), cb (0), attach (0) 223 : flags (0), self (0), cb (0), attach (0)
171 { 224 {
172 } 225 }
173 226
174 attachable (const attachable &src) 227 attachable (const attachable &src)
175 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 228 : flags (0), self (0), cb (0), attach (src.attach)
176 { 229 {
177 } 230 }
178 231
179 virtual ~attachable (); 232 // set a custom key to the given value, or delete it if value = 0
233 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
234
235 void set_key_text (const char *key, const char *value = 0)
236 {
237 set_key (key, value, 1);
238 }
239
240 void set_key_data (const char *key, const char *value = 0)
241 {
242 set_key (key, value, 0);
243 }
180 244
181 attachable &operator =(const attachable &src); 245 attachable &operator =(const attachable &src);
182 246
247 // used to _quickly_ device wether to shortcut the evaluation
248 bool should_invoke (event_type event)
249 {
250 return ev_want_event [event] || cb;
251 }
252
183 bool invoke (event_type event, ...); 253 bool invoke (event_type event, ...);
254
184 void instantiate (); 255 MTH void instantiate ();
185 void reattach (); 256 void reattach ();
186 257
187protected: 258protected:
188 // do the real refcount checking work 259 // do the real refcount checking work
189 void do_check (); 260 void do_check ();
190 261
191 // the method that does the real destroy work 262 // the method that does the real destroy work
192 virtual void do_destroy (); 263 virtual void do_destroy ();
264
265 // destructor is protected, should not be called by anybody
266 virtual ~attachable ();
193}; 267};
194 268
195// the global object is a pseudo object that cares for the global events 269// the global object is a pseudo object that cares for the global events
196struct global : attachable 270struct global : attachable
197{ 271{
… …
200 274
201extern struct global gbl_ev; 275extern struct global gbl_ev;
202 276
203////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 277//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
204 278
279INTERFACE_CLASS(object_freezer)
205struct object_freezer : dynbuf 280struct object_freezer : dynbuf_text
206{ 281{
207 AV *av; 282 AV *av;
208 283
209 object_freezer (); 284 object_freezer ();
210 ~object_freezer (); 285 ~object_freezer ();
… …
214 // used only for user-defined key-value pairs 289 // used only for user-defined key-value pairs
215 void put (const shstr &k, const shstr &v) 290 void put (const shstr &k, const shstr &v)
216 { 291 {
217 add (k); 292 add (k);
218 293
219 if (v) 294 if (expect_true (v))
220 add (' '), add (v); 295 add (' '), add (v);
221 296
222 add ('\n'); 297 add ('\n');
223 } 298 }
224 299
225 //TODO//temporary, used only for saving body locations
226 void put (const char *k, int v)
227 {
228 add (k);
229 add (' ');
230 add (sint32 (v));
231 add ('\n');
232 }
233
234 template<typename T> 300 template<typename T>
235 void put_string (keyword k, const T &v) 301 void put_kw_string (keyword k, const T &v)
236 { 302 {
237 int klen = keyword_len [k]; 303 int klen = keyword_len [k];
238 int vlen = v ? strlen (v) + 1 : 0; 304 int vlen = v ? strlen (v) + 1 : 0;
239 305
240 char *p = (char *)alloc (klen + vlen + 1); 306 char *p = (char *)alloc (klen + vlen + 1);
241 307
242 memcpy (p, keyword_str [k], klen); p += klen; 308 memcpy (p, keyword_str [k], klen); p += klen;
243 309
244 if (v) 310 if (expect_true (v))
245 { 311 {
246 *p++ = ' '; vlen--; 312 *p++ = ' '; vlen--;
247 memcpy (p, v, vlen); p += vlen; 313 memcpy (p, v, vlen); p += vlen;
248 } 314 }
249 315
250 *p = '\n'; 316 *p = '\n';
251 } 317 }
252 318
253 void put (keyword k, const char *v = 0) 319 void put (keyword k, const char *v = 0)
254 { 320 {
255 put_string (k, v); 321 put_kw_string (k, v);
256 } 322 }
257 323
258 void put (keyword k, const shstr &v) 324 void put (keyword k, const shstr &v)
259 { 325 {
260 put_string (k, v); 326 put_kw_string (k, v);
261 } 327 }
262 328
263 void put (keyword k, double v) 329 void put (keyword k, double v)
264 { 330 {
265 char buf [128]; 331 force (MAX_KEYWORD_LEN + 2 + 32);
266 332 fadd (keyword_str [k], keyword_len [k]);
267 snprintf (buf, 128, "%.7g", v); 333 fadd (' ');
268 334 falloc (sprintf (ptr, "%.7g", v));
269 put (k, (const char *)buf); 335 fadd ('\n');
270 } 336 }
271 337
272 void put_(keyword k, sint64 v) 338 void put_(keyword k, sint64 v)
273 { 339 {
340 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
274 add (keyword_str [k], keyword_len [k]); 341 fadd (keyword_str [k], keyword_len [k]);
275 add (' '); 342 fadd (' ');
276 add (v); 343 add (v);
277 add ('\n'); 344 fadd ('\n');
278 } 345 }
279 346
280 void put_(keyword k, sint32 v) 347 void put_(keyword k, sint32 v)
281 { 348 {
349 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
282 add (keyword_str [k], keyword_len [k]); 350 fadd (keyword_str [k], keyword_len [k]);
283 add (' '); 351 fadd (' ');
284 add (v); 352 add (v);
285 add ('\n'); 353 fadd ('\n');
286 }
287
288 void put (keyword kbeg, keyword kend, const shstr &v)
289 {
290 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
291
292 if (v)
293 {
294 add (v);
295 add ('\n');
296 }
297
298 add (keyword_str [kend], keyword_len [kend]); add ('\n');
299 } 354 }
300 355
301 void put (keyword k, float v) { put (k, (double)v); } 356 void put (keyword k, float v) { put (k, (double)v); }
302 void put (keyword k, signed char v) { put_(k, (sint32)v); } 357 void put (keyword k, signed char v) { put_(k, (sint32)v); }
303 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 358 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
308 void put (keyword k, signed long v) { put_(k, (sint64)v); } 363 void put (keyword k, signed long v) { put_(k, (sint64)v); }
309 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 364 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
310 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 365 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
311 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 366 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
312 367
313 template<typename T> 368 void put (keyword kbeg, keyword kend, const shstr &v)
369 {
370 force (MAX_KEYWORD_LEN + 1);
371 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
372
373 if (expect_true (v))
374 {
375 add (v);
376 add ('\n');
377 }
378
379 force (MAX_KEYWORD_LEN + 1);
380 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
381 }
382
383 void put (keyword k, archetype *v);
384 void put (keyword k, treasurelist *v);
314 void put (keyword k, const T *v) 385 void put (keyword k, faceinfo *v);
315 {
316 if (v)
317 put (k, v->name);
318 else
319 put (k, (const char *)0);
320 }
321 386
322 template<typename T> 387 template<typename T>
323 void put (keyword k, const refptr<T> &v) 388 void put (keyword k, const refptr<T> &v)
324 { 389 {
325 put (k, (T *)v); 390 put (k, (T *)v);
326 } 391 }
327 392
328 bool save (const char *filename); 393 MTH bool save (const_octet_string path);
329 char *as_string (); // like strdup 394 char *as_string (); // like strdup
330 395
331 operator bool () { return !!av; } 396 operator bool () { return !!av; }
332}; 397};
333 398
334// compatibility support, should be removed when no longer needed 399INTERFACE_CLASS(object_thawer)
335int fprintf (object_freezer &freezer, const char *format, ...);
336int fputs (const char *s, object_freezer &freezer);
337
338struct object_thawer 400struct object_thawer
339{ 401{
402 char *line; // current beginning of line
340 SV *text; // text part 403 SV *text; // text part
341 AV *av; // perl part 404 AV *av; // perl part
342 char *line; // current beginning of line 405 int linenum;
343 char *last_keyword, *last_value; 406 keyword kw;
407 char *kw_str; // the keyword parsed, as string
408 char *value; // the value, or 0 if no value
409 const char *value_nn; // the value, or the empty string if no value
410 const char *name;
344 411
345 operator bool () { return !!text; } 412 operator bool () const { return !!text; }
346 413
347 object_thawer (const char *filename = 0); 414 object_thawer (const char *path = 0);
348 object_thawer (const char *data, AV *perlav); 415 object_thawer (const char *data, AV *perlav);
349 ~object_thawer (); 416 ~object_thawer ();
350 417
351 void get (attachable *obj, int oid); 418 void get (attachable *obj, int oid);
352 419
353 keyword get_kv (); // also parse value for later use 420 // parse next line
354 void skip_kv (keyword kw); 421 MTH void next ();
422 // skip the current key-value (usually fetch next line, for
423 // multiline-fields, skips till the corresponding end-kw
424 MTH void skip ();
425 MTH void skip_block (); // skips till and over KW_end
355 426
356 const char *get_str () { return last_value; } // may be 0 427 char *get_str () { return value; } // may be 0
357
358 void get (shstr &sh) const;
359 void get_ornull (shstr &sh) const { sh = last_value; }
360 void get_ml (keyword kend, shstr &sh); 428 void get_ml (keyword kend, shstr &sh);
361 429
430 void get_ornull (shstr &sh) const { sh = value; }
431 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
432
433 bool get_bool () const { return *value_nn == '1'; }
362 sint32 get_sint32 () const; 434 sint32 get_sint32 () const;
363 sint64 get_sint64 () const; 435 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
364 double get_double () const; 436 double get_double () const { return strtod (value_nn, 0); }
365 437
366 void get (float &v) { v = get_double (); } 438 void get (float &v) { v = get_double (); }
367 void get (double &v) { v = get_double (); } 439 void get (double &v) { v = get_double (); }
368 440
369 void get (bool &i) { i = get_sint32 (); } 441 void get (bool &i) { i = get_bool (); }
370 void get (sint8 &i) { i = get_sint32 (); } 442 void get (sint8 &i) { i = get_sint32 (); }
371 void get (uint8 &i) { i = get_sint32 (); } 443 void get (uint8 &i) { i = get_sint32 (); }
372 void get (sint16 &i) { i = get_sint32 (); } 444 void get (sint16 &i) { i = get_sint32 (); }
373 void get (uint16 &i) { i = get_sint32 (); } 445 void get (uint16 &i) { i = get_sint32 (); }
374 void get (sint32 &i) { i = get_sint32 (); } 446 void get (sint32 &i) { i = get_sint32 (); }
375 447
376 void get (uint32 &i) { i = get_sint64 (); } 448 void get (uint32 &i) { i = get_sint64 (); }
377 void get (sint64 &i) { i = get_sint64 (); } 449 void get (sint64 &i) { i = get_sint64 (); }
378};
379 450
451 MTH void parse_warn (const char *msg);
452 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
453
454 struct delayed_ref {
455 attachable *op;
456 object_ptr *ptr;
457 const char *ref;
458 };
459 std::vector<delayed_ref> delrefs;
460
461 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
462 MTH void resolve_delayed_derefs (bool deref = true);
463};
464
465//TODO: remove
380char *fgets (char *s, int n, object_thawer &thawer); 466char *fgets (char *s, int n, object_thawer &thawer);
381 467
382////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 468//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
383 469
384struct coroapi { 470struct coroapi {
385 static struct CoroAPI *GCoroAPI; 471 static struct CoroAPI *GCoroAPI;
386 472
473 static EV_ATOMIC_T cede_pending;
474
387 static int nready () { return CORO_NREADY; } 475 static int nready () { return CORO_NREADY; }
388 static int cede () { return CORO_CEDE ; } 476 static int cede () { cede_pending = 0; return CORO_CEDE ; }
389};
390 477
391struct watcher_base 478 static void do_cede_to_tick ();
479
480 // actually cede's far more often
481 static bool cede_to_tick ()
482 {
483 if (expect_true (!cede_pending))
484 return false;
485
486 do_cede_to_tick ();
487 return true;
488 }
489
490 static void wait_for_tick ();
491 static void wait_for_tick_begin ();
492};
493
494struct evapi
392{ 495{
393 static struct EventAPI *GEventAPI; 496 static struct EVAPI *GEVAPI;
394}; 497};
395 498
396template<class base>
397struct watcher : watcher_base
398{
399 base *pe;
400
401 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
402 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
403 void now () { GEventAPI->now ((pe_watcher *)pe); }
404 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
405 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
406
407 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
408
409 ~watcher ()
410 {
411 cancel ();
412 }
413
414private:
415 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
416};
417
418struct iw : watcher<pe_idle>, callback<void (iw &)>
419{
420 template<class O, class M>
421 iw (O object, M method)
422 : callback<void (iw &)> (object, method)
423 {
424 alloc ();
425 }
426
427private:
428 void alloc ();
429};
430
431struct iow : watcher<pe_io>, callback<void (iow &, int)> 499struct iow : ev_io, evapi, callback<void (iow &, int)>
432{ 500{
501 static void thunk (EV_P_ struct ev_io *w_, int revents)
502 {
503 iow &w = *static_cast<iow *>(w_);
504
505 w (w, revents);
506 }
507
433 template<class O, class M> 508 template<class O, class M>
434 iow (O object, M method) 509 iow (O object, M method)
435 : callback<void (iow &, int)> (object, method) 510 : callback<void (iow &, int)> (object, method)
436 { 511 {
437 alloc (); 512 ev_init ((ev_io *)this, thunk);
438 } 513 }
439 514
440 void fd (int fd); 515 void prio (int prio)
441 int poll (); 516 {
517 ev_set_priority ((ev_io *)this, prio);
518 }
519
520 void set (int fd, int events)
521 {
522 ev_io_set ((ev_io *)this, fd, events);
523 }
524
525 int poll () const { return events; }
526
442 void poll (int events); 527 void poll (int events);
443 528
444private: 529 void start ()
445 void alloc (); 530 {
531 ev_io_start (EV_DEFAULT, (ev_io *)this);
532 }
533
534 void stop ()
535 {
536 ev_io_stop (EV_DEFAULT, (ev_io *)this);
537 }
538
539 ~iow ()
540 {
541 stop ();
542 }
543};
544
545struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
546{
547 static void thunk (EV_P_ struct ev_async *w_, int revents)
548 {
549 asyncw &w = *static_cast<asyncw *>(w_);
550
551 w (w, revents);
552 }
553
554 template<class O, class M>
555 asyncw (O object, M method)
556 : callback<void (asyncw &, int)> (object, method)
557 {
558 ev_init ((ev_async *)this, thunk);
559 }
560
561 void start ()
562 {
563 ev_async_start (EV_DEFAULT, (ev_async *)this);
564 }
565
566 void stop ()
567 {
568 ev_async_stop (EV_DEFAULT, (ev_async *)this);
569 }
570
571 ~asyncw ()
572 {
573 stop ();
574 }
446}; 575};
447 576
448#endif 577#endif
449 578

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