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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.39 by root, Sat Dec 16 21:40:26 2006 UTC vs.
Revision 1.80 by root, Sun Jun 24 04:09:29 2007 UTC

1/*
2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.
3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
8 * Crossfire TRT is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the Free
10 * Software Foundation; either version 2 of the License, or (at your option)
11 * any later version.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 * for more details.
17 *
18 * You should have received a copy of the GNU General Public License along
19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51
20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 *
22 * The authors can be reached via e-mail to <crossfire@schmorp.de>
23 */
24
1// 25//
2// cfperl.h perl interface 26// cfperl.h perl interface
3// 27//
4#ifndef CFPERL_H__ 28#ifndef CFPERL_H__
5#define CFPERL_H__ 29#define CFPERL_H__
6 30
31#include <cstdarg>
7#include <cstdio> 32#include <cstdio>
33#include <bitset>
8 34
9using namespace std; 35using namespace std;
10 36
11#include <EXTERN.h> 37#include <EXTERN.h>
12#include <perl.h> 38#include <perl.h>
13#include <XSUB.h> 39#include <XSUB.h>
14 40
15#include <EventAPI.h> 41#include <EventAPI.h>
42#include <CoroAPI.h>
16 43
44#include "util.h"
45#include "keyword.h"
46#include "dynbuf.h"
17#include "callback.h" 47#include "callback.h"
48
49//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
18 50
19// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 51// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
20#undef localtime 52#undef localtime
21#undef srand48 53#undef srand48
22#undef drand48 54#undef drand48
28#undef strerror 60#undef strerror
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// some macros to simplify perl in-calls
76
77#define CHECK_ERROR \
78 if (SvTRUE (ERRSV)) \
79 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV));
80
81#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
82#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
83#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
84#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
85#define CALL_END CHECK_ERROR; FREETMPS; LEAVE
86
87//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
88
39void cfperl_init (); 89void cfperl_init ();
40void cfperl_main (); 90void cfperl_main ();
91void cfperl_emergency_save ();
92void cfperl_cleanup (int make_core);
93void cfperl_make_book (object *book, int level);
94void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
95
96//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
97
98extern tstamp runtime; // virtual server time, excluding time jumps and lag
99extern tstamp NOW; // real time of current server tick
41 100
42enum event_klass 101enum event_klass
43{ 102{
44 KLASS_NONE, 103 KLASS_NONE,
45 KLASS_GLOBAL, 104 KLASS_GLOBAL,
105 KLASS_ATTACHABLE,
46 KLASS_SOCKET, 106 KLASS_CLIENT,
47 KLASS_PLAYER, 107 KLASS_PLAYER,
48 KLASS_OBJECT, 108 KLASS_OBJECT,
49 KLASS_MAP, 109 KLASS_MAP,
50 KLASS_COMMAND, 110 KLASS_COMMAND,
51}; 111};
56# include "eventinc.h" 116# include "eventinc.h"
57# undef def 117# undef def
58 NUM_EVENT_TYPES 118 NUM_EVENT_TYPES
59}; 119};
60 120
121// in which global events or per-type events are we interested
122extern bitset<NUM_EVENT_TYPES> ev_want_event;
123extern bitset<NUM_TYPES> ev_want_type;
124
61#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 125#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
62#define ARG_INT(v) DT_INT , static_cast<int> (v) 126#define ARG_INT(v) DT_INT , static_cast<int> (v)
63#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 127#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
64#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 128#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
65#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 129#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
66#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) 130#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l)
67#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o) 131#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
68#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) 132#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
69#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) 133#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
70#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) 134#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o))
135#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
71#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) 136#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
72#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) 137#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
73#define ARG_SOCKET(o) DT_SOCKET, (void *)static_cast<client *> (o)
74 138
75// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 139// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
76 140#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
77// all these return true when the normal event processing should be skipped (if any)
78#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
79
80#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
81#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) 141#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
142#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
82#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) 143#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
83#define INVOKE_SOCKET(event, ns, ...) INVOKE_(EVENT_ ## SOCKET ## _ ## event, ARG_SOCKET (ns), ## __VA_ARGS__) 144#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
84#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) 145#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
85#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) 146#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
86 147
87//TODO should index into @result 148//TODO should index into @result
88#define RESULT(idx,type) cfperl_result_ ## type (idx) 149#define RESULT(idx,type) cfperl_result_ ## type (idx)
89#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 150#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
90#define RESULT_INT(idx) RESULT(idx, INT) 151#define RESULT_INT(idx) RESULT(idx, INT)
91 152
92bool cfperl_invoke (event_type event, ...);
93double cfperl_result_DOUBLE (int idx); 153double cfperl_result_DOUBLE (int idx);
94int cfperl_result_INT (int idx); 154int cfperl_result_INT (int idx);
95 155
156//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
157
158INTERFACE_CLASS (attachable)
96struct attachable_base 159struct attachable
97{ 160{
161 static MGVTBL vtbl;
162
163 static unordered_vector<attachable *> mortals;
164 MTH static void check_mortals ();
165
166 enum {
167 F_DESTROYED = 0x01,
168 F_DEBUG_TRACE = 0x02,
169 };
170
171 // object is delete'd after the refcount reaches 0
172 int ACC (RW, flags);
173 mutable int ACC (RW, refcnt);
174
175 MTH void refcnt_inc () const { ++refcnt; }
176 MTH void refcnt_dec () const { --refcnt; }
177
178 MTH int refcnt_cnt () const;
179 // check wether the object has died and destroy
180 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
181
182 // destroy the object unless it was already destroyed
183 // this politely asks everybody interested the reduce
184 // the refcount to 0 as soon as possible.
185 MTH void destroy ();
186
187 // return wether an object was destroyed already
188 MTH bool destroyed () const { return flags & F_DESTROYED; }
189
190 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
191
192#if 0
193private:
194 static refcounted *rc_first;
195 refcounted *rc_next;
196#endif
197
98 SV *self; // CF+ perl self 198 HV *self; // CF+ perl self
99 AV *cb; // CF+ callbacks 199 AV *cb; // CF+ callbacks
100 shstr attach; // generic extension attachment information 200 shstr attach; // generic extension attachment information
101 201
102 void clear (); // called when free'ing objects 202 void sever_self (); // sever this object from its self, if it has one.
103 void optimise (); // possibly save some memory by destroying unneeded data 203 void optimise (); // possibly save some memory by destroying unneeded data
104 void instantiate (data_type type, void *obj);
105 204
106 void attachable_clear ()
107 {
108 self = 0;
109 cb = 0;
110 attach = 0;
111 }
112
113 attachable_base () 205 attachable ()
206 : flags (0), refcnt (0), self (0), cb (0), attach (0)
114 { 207 {
115 attachable_clear ();
116 } 208 }
117 209
118 ~attachable_base ()
119 {
120 clear ();
121 }
122
123 attachable_base (const attachable_base &src) 210 attachable (const attachable &src)
124 : self (0), cb (0), attach (src.attach) 211 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
125 { 212 {
126 } 213 }
127 214
215 virtual ~attachable ();
216
128 attachable_base &operator =(const attachable_base &src) 217 attachable &operator =(const attachable &src);
129 {
130 clear ();
131 attach = src.attach;
132 return *this;
133 }
134};
135 218
136// objects attachable from perl (or any other extension) should include or 219 // used to _quickly_ device wether to shortcut the evaluation
137// derive using the curiously recurring template pattern, to avoid 220 bool should_invoke (event_type event)
138// virtual method calls etc. 221 {
139template<class subclass> 222 return ev_want_event [event] || cb;
140struct attachable : attachable_base 223 }
141{ 224
225 bool invoke (event_type event, ...);
226
142 void instantiate () 227 MTH void instantiate ();
143 { 228 void reattach ();
144 if (attach)
145 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
146 }
147};
148 229
230protected:
231 // do the real refcount checking work
232 void do_check ();
233
234 // the method that does the real destroy work
235 virtual void do_destroy ();
236};
237
238// the global object is a pseudo object that cares for the global events
239struct global : attachable
240{
241 void gather_callbacks (AV *&callbacks, event_type event) const;
242};
243
244extern struct global gbl_ev;
245
246//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
247
149struct object_freezer : dynbuf 248struct object_freezer : dynbuf_text
150{ 249{
151 AV *av; 250 AV *av;
152 251
153 object_freezer (); 252 object_freezer ();
154 ~object_freezer (); 253 ~object_freezer ();
155 254
156 void put (attachable_base *ext); 255 void put (attachable *ext);
157
158 template<class subclass>
159 void put (attachable<subclass> *obj)
160 {
161 put ((attachable_base *)obj);
162 }
163 256
164 // used only for user-defined key-value pairs 257 // used only for user-defined key-value pairs
165 void put (const shstr &k, const shstr &v) 258 void put (const shstr &k, const shstr &v)
166 { 259 {
167 add (k); 260 add (k);
168 261
169 if (v) 262 if (expect_true (v))
170 add (' '), add (v); 263 add (' '), add (v);
171 264
172 add ('\n'); 265 add ('\n');
173 } 266 }
174 267
175 //TODO//temporary, used only for saving body locations
176 void put (const char *k, int v)
177 {
178 add (k);
179 add (' ');
180 add (sint32 (v));
181 add ('\n');
182 }
183
184 template<typename T> 268 template<typename T>
185 void put_string (keyword k, const T &v) 269 void put_kw_string (keyword k, const T &v)
186 { 270 {
187 int klen = keyword_len [k]; 271 int klen = keyword_len [k];
188 int vlen = v ? strlen (v) + 1 : 0; 272 int vlen = v ? strlen (v) + 1 : 0;
189 273
190 char *p = (char *)alloc (klen + vlen + 1); 274 char *p = (char *)alloc (klen + vlen + 1);
191 275
192 memcpy (p, keyword_str [k], klen); p += klen; 276 memcpy (p, keyword_str [k], klen); p += klen;
193 277
194 if (v) 278 if (expect_true (v))
195 { 279 {
196 *p++ = ' '; vlen--; 280 *p++ = ' '; vlen--;
197 memcpy (p, v, vlen); p += vlen; 281 memcpy (p, v, vlen); p += vlen;
198 } 282 }
199 283
200 *p = '\n'; 284 *p = '\n';
201 } 285 }
202 286
203 void put (keyword k, const char *v) 287 void put (keyword k, const char *v = 0)
204 { 288 {
205 put_string (k, v); 289 put_kw_string (k, v);
206 } 290 }
207 291
208 void put (keyword k, const shstr &v) 292 void put (keyword k, const shstr &v)
209 { 293 {
210 put_string (k, v); 294 put_kw_string (k, v);
211 } 295 }
212 296
213 void put (keyword k, double v) 297 void put (keyword k, double v)
214 { 298 {
215 char buf [128]; 299 force (MAX_KEYWORD_LEN + 2 + 32);
216 300 fadd (keyword_str [k], keyword_len [k]);
217 snprintf (buf, 128, "%.7g", v); 301 fadd (' ');
218 302 falloc (sprintf (ptr, "%.7g", v));
219 put (k, (const char *)buf); 303 fadd ('\n');
220 } 304 }
221 305
222 void put_(keyword k, sint64 v) 306 void put_(keyword k, sint64 v)
223 { 307 {
308 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
224 add (keyword_str [k], keyword_len [k]); 309 fadd (keyword_str [k], keyword_len [k]);
225 add (' '); 310 fadd (' ');
226 add (v); 311 add (v);
227 add ('\n'); 312 fadd ('\n');
228 } 313 }
229 314
230 void put_(keyword k, sint32 v) 315 void put_(keyword k, sint32 v)
231 { 316 {
317 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
232 add (keyword_str [k], keyword_len [k]); 318 fadd (keyword_str [k], keyword_len [k]);
233 add (' '); 319 fadd (' ');
234 add (v); 320 add (v);
235 add ('\n'); 321 fadd ('\n');
236 }
237
238 void put (keyword kbeg, keyword kend, const shstr &v)
239 {
240 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
241
242 if (v)
243 {
244 add (v);
245 add ('\n');
246 }
247
248 add (keyword_str [kend], keyword_len [kend]); add ('\n');
249 } 322 }
250 323
251 void put (keyword k, float v) { put (k, (double)v); } 324 void put (keyword k, float v) { put (k, (double)v); }
252 void put (keyword k, signed char v) { put_(k, (sint32)v); } 325 void put (keyword k, signed char v) { put_(k, (sint32)v); }
253 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 326 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
258 void put (keyword k, signed long v) { put_(k, (sint64)v); } 331 void put (keyword k, signed long v) { put_(k, (sint64)v); }
259 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 332 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
260 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 333 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
261 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 334 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
262 335
263 template<typename T> 336 void put (keyword kbeg, keyword kend, const shstr &v)
337 {
338 force (MAX_KEYWORD_LEN + 1);
339 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
340
341 if (expect_true (v))
342 {
343 add (v);
344 add ('\n');
345 }
346
347 force (MAX_KEYWORD_LEN + 1);
348 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
349 }
350
351 void put (keyword k, archetype *v);
352 void put (keyword k, treasurelist *v);
264 void put (keyword k, const T *v) 353 void put (keyword k, faceinfo *v);
265 {
266 if (v)
267 put (k, v->name);
268 else
269 put (k, (const char *)0);
270 }
271 354
272 template<typename T> 355 template<typename T>
273 void put (keyword k, const refptr<T> &v) 356 void put (keyword k, const refptr<T> &v)
274 { 357 {
275 put (k, (T *)v); 358 put (k, (T *)v);
276 } 359 }
277 360
278 bool save (const char *filename); 361 bool save (const char *path);
279 char *as_string (); // like strdup 362 char *as_string (); // like strdup
280 363
281 operator bool () { return !!av; } 364 operator bool () { return !!av; }
282}; 365};
283 366
284// compatibility support, should be removed when no longer needed
285int fprintf (object_freezer &freezer, const char *format, ...);
286int fputs (const char *s, object_freezer &freezer);
287
288struct object_thawer 367struct object_thawer
289{ 368{
369 char *line; // current beginning of line
290 SV *text; // text part 370 SV *text; // text part
291 AV *av; // perl part 371 AV *av; // perl part
292 char *line; // current beginning of line 372 int linenum;
293 char *last_value; 373 keyword kw;
374 char *kw_str; // the keyword parsed, as string
375 char *value; // the value, or 0 if no value
376 char *value_nn; // the value, or the empty string if no value
377 const char *name;
294 378
295 operator bool () { return !!text; } 379 operator bool () { return !!text; }
296 380
297 object_thawer (const char *filename = 0); 381 object_thawer (const char *path = 0);
298 object_thawer (const char *data, AV *perlav); 382 object_thawer (const char *data, AV *perlav);
299 ~object_thawer (); 383 ~object_thawer ();
300 384
301 void get (data_type type, void *obj, attachable_base *ext, int oid);
302
303 template<class subclass>
304 void get (attachable<subclass> *obj, int oid) 385 void get (attachable *obj, int oid);
305 {
306 if (av)
307 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
308 }
309 386
310 keyword get_kv (); // also parse value for later use 387 // parse next line
388 void next ();
389 // skip the current key-value (usually fetch next line, for
390 // multiline-fields, skips till the corresponding end-kw
391 void skip ();
311 392
312 const char *get_str () { return last_value; } // may be 0 393 char *get_str () { return value; } // may be 0
313
314 void get (shstr &sh) const;
315 void get_ornull (shstr &sh) const { sh = last_value; }
316 void get_ml (keyword kend, shstr &sh); 394 void get_ml (keyword kend, shstr &sh);
317 395
396 void get_ornull (shstr &sh) const { sh = value; }
397 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
398
399 bool get_bool () const { return *value_nn == '1'; }
318 sint32 get_sint32 () const; 400 sint32 get_sint32 () const;
319 sint64 get_sint64 () const; 401 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
320 double get_double () const; 402 double get_double () const { return strtod (value_nn, 0); }
321 403
322 void get (float &v) { v = get_double (); } 404 void get (float &v) { v = get_double (); }
323 void get (double &v) { v = get_double (); } 405 void get (double &v) { v = get_double (); }
324 406
407 void get (bool &i) { i = get_bool (); }
325 void get (sint8 &i) { i = get_sint32 (); } 408 void get (sint8 &i) { i = get_sint32 (); }
326 void get (uint8 &i) { i = get_sint32 (); } 409 void get (uint8 &i) { i = get_sint32 (); }
327 void get (sint16 &i) { i = get_sint32 (); } 410 void get (sint16 &i) { i = get_sint32 (); }
328 void get (uint16 &i) { i = get_sint32 (); } 411 void get (uint16 &i) { i = get_sint32 (); }
329 void get (sint32 &i) { i = get_sint32 (); } 412 void get (sint32 &i) { i = get_sint32 (); }
330 413
331 void get (uint32 &i) { i = get_sint64 (); } 414 void get (uint32 &i) { i = get_sint64 (); }
332 void get (sint64 &i) { i = get_sint64 (); } 415 void get (sint64 &i) { i = get_sint64 (); }
333};
334 416
417 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
418};
419
420//TODO: remove
335char *fgets (char *s, int n, object_thawer &thawer); 421char *fgets (char *s, int n, object_thawer &thawer);
422
423//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
424
425struct coroapi {
426 static struct CoroAPI *GCoroAPI;
427
428 static int nready () { return CORO_NREADY; }
429 static int cede () { return CORO_CEDE ; }
430
431 static tstamp next_cede;
432 static int cede_counter;
433
434 static void do_cede_every ();
435 static void do_cede_to_tick ();
436 static void do_cede_to_tick_every ();
437
438 static void cede_every (int count)
439 {
440 if (expect_false (++cede_counter >= count))
441 do_cede_every ();
442 }
443
444 static bool cede_to_tick ()
445 {
446 if (expect_true (now () < next_cede))
447 return false;
448
449 do_cede_to_tick ();
450 return true;
451 }
452
453 static bool cede_to_tick_every (int count)
454 {
455 if (expect_true (++cede_counter < count))
456 return false;
457
458 return cede_to_tick ();
459 }
460
461 static void wait_for_tick ();
462 static void wait_for_tick_begin ();
463};
336 464
337struct watcher_base 465struct watcher_base
338{ 466{
339 static struct EventAPI *GEventAPI; 467 static struct EventAPI *GEventAPI;
340}; 468};

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