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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.35 by root, Thu Dec 14 05:09:32 2006 UTC vs.
Revision 1.91 by root, Wed Nov 14 08:09:46 2007 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007 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>
39
40#include <EVAPI.h>
41#include <CoroAPI.h>
42
43#include "util.h"
44#include "keyword.h"
45#include "dynbuf.h"
46#include "callback.h"
47
48//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
14 49
15// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
16#undef localtime 51#undef localtime
17#undef srand48 52#undef srand48
18#undef drand48 53#undef drand48
20#undef readdir 55#undef readdir
21#undef getprotobyname 56#undef getprotobyname
22#undef gethostbyname 57#undef gethostbyname
23#undef ctime 58#undef ctime
24#undef strerror 59#undef strerror
60#undef _
61
62// same here, massive symbol spamming
63#undef do_open
64#undef do_close
65#undef ref
66#undef seed
25 67
26// perl bug #40256: perl does overwrite those with reentrant versions 68// perl bug #40256: perl does overwrite those with reentrant versions
27// but does not initialise their state structures. 69// but does not initialise their state structures.
28#undef random 70#undef random
29#undef crypt 71#undef crypt
30 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\n", __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
31void cfperl_init (); 94void cfperl_init ();
32void cfperl_main (); 95void cfperl_main ();
96void cfperl_emergency_save ();
97void cfperl_cleanup (int make_core);
98void cfperl_make_book (object *book, int level);
99void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
100int cfperl_can_merge (object *ob1, object *ob2);
101
102//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
103
104extern tstamp runtime; // virtual server time, excluding time jumps and lag
105extern tstamp NOW; // real time of current server tick
33 106
34enum event_klass 107enum event_klass
35{ 108{
36 KLASS_NONE, 109 KLASS_NONE,
37 KLASS_GLOBAL, 110 KLASS_GLOBAL,
111 KLASS_ATTACHABLE,
38 KLASS_SOCKET, 112 KLASS_CLIENT,
39 KLASS_PLAYER, 113 KLASS_PLAYER,
40 KLASS_OBJECT, 114 KLASS_OBJECT,
41 KLASS_MAP, 115 KLASS_MAP,
42 KLASS_COMMAND, 116 KLASS_COMMAND,
43}; 117};
48# include "eventinc.h" 122# include "eventinc.h"
49# undef def 123# undef def
50 NUM_EVENT_TYPES 124 NUM_EVENT_TYPES
51}; 125};
52 126
127// in which global events or per-type events are we interested
128extern bitset<NUM_EVENT_TYPES> ev_want_event;
129extern bitset<NUM_TYPES> ev_want_type;
130
53#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 131#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
54#define ARG_INT(v) DT_INT , static_cast<int> (v) 132#define ARG_INT(v) DT_INT , static_cast<int> (v)
55#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 133#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
56#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 134#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
57#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 135#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
58#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) 136#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l)
59#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o) 137#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
60#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) 138#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
61#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) 139#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
62#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) 140#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o))
141#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
63#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) 142#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
64#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) 143#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
65#define ARG_SOCKET(o) DT_SOCKET, (void *)static_cast<client_socket *> (o)
66 144
67// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 145// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
68 146#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
69// all these return true when the normal event processing should be skipped (if any)
70#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
71
72#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
73#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) 147#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
148#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
74#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) 149#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
75#define INVOKE_SOCKET(event, ns, ...) INVOKE_(EVENT_ ## SOCKET ## _ ## event, ARG_SOCKET (ns), ## __VA_ARGS__) 150#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
76#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) 151#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
77#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) 152#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
78 153
79//TODO should index into @result 154//TODO should index into @result
80#define RESULT(idx,type) cfperl_result_ ## type (idx) 155#define RESULT(idx,type) cfperl_result_ ## type (idx)
81#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 156#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
82#define RESULT_INT(idx) RESULT(idx, INT) 157#define RESULT_INT(idx) RESULT(idx, INT)
83 158
84bool cfperl_invoke (event_type event, ...);
85double cfperl_result_DOUBLE (int idx); 159double cfperl_result_DOUBLE (int idx);
86int cfperl_result_INT (int idx); 160int cfperl_result_INT (int idx);
87 161
162//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
163
164INTERFACE_CLASS (attachable)
88struct attachable_base 165struct attachable : refcnt_base
89{ 166{
167 static MGVTBL vtbl;
168
169 static unordered_vector<attachable *> mortals;
170 MTH static void check_mortals ();
171
172 enum {
173 F_DESTROYED = 0x01,
174 F_DEBUG_TRACE = 0x02,
175 };
176 int ACC (RW, flags);
177
178 // object is delete'd after the refcount reaches 0
179 MTH int refcnt_cnt () const;
180 // check wether the object has died and destroy
181 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
182
183 // destroy the object unless it was already destroyed
184 // this politely asks everybody interested the reduce
185 // the refcount to 0 as soon as possible.
186 MTH void destroy ();
187
188 // return wether an object was destroyed already
189 MTH bool destroyed () const { return flags & F_DESTROYED; }
190
191 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
192
193#if 0
194private:
195 static refcounted *rc_first;
196 refcounted *rc_next;
197#endif
198
90 SV *self; // CF+ perl self 199 HV *self; // CF+ perl self
91 AV *cb; // CF+ callbacks 200 AV *cb; // CF+ callbacks
92 shstr attach; // generic extension attachment information 201 shstr attach; // generic extension attachment information
93 202
94 void clear (); // called when free'ing objects 203 void sever_self (); // sever this object from its self, if it has one.
95 void optimise (); // possibly save some memory by destroying unneeded data 204 void optimise (); // possibly save some memory by destroying unneeded data
96 void instantiate (data_type type, void *obj);
97 205
98 void attachable_clear ()
99 {
100 self = 0;
101 cb = 0;
102 attach = 0;
103 }
104
105 attachable_base () 206 attachable ()
207 : flags (0), self (0), cb (0), attach (0)
106 { 208 {
107 attachable_clear ();
108 } 209 }
109 210
110 ~attachable_base ()
111 {
112 clear ();
113 }
114
115 attachable_base (const attachable_base &src) 211 attachable (const attachable &src)
116 : self (0), cb (0), attach (src.attach) 212 : flags (0), self (0), cb (0), attach (src.attach)
117 { 213 {
118 } 214 }
119 215
216 // set a custom key to the given value, or delete it if value = 0
217 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
218
219 void set_key_text (const char *key, const char *value = 0)
220 {
221 set_key (key, value, 1);
222 }
223
224 void set_key_data (const char *key, const char *value = 0)
225 {
226 set_key (key, value, 0);
227 }
228
120 attachable_base &operator =(const attachable_base &src) 229 attachable &operator =(const attachable &src);
121 {
122 clear ();
123 attach = src.attach;
124 return *this;
125 }
126};
127 230
128// objects attachable from perl (or any other extension) should include or 231 // used to _quickly_ device wether to shortcut the evaluation
129// derive using the curiously recurring template pattern, to avoid 232 bool should_invoke (event_type event)
130// virtual method calls etc. 233 {
131template<class subclass> 234 return ev_want_event [event] || cb;
132struct attachable : attachable_base 235 }
133{ 236
237 bool invoke (event_type event, ...);
238
134 void instantiate () 239 MTH void instantiate ();
135 { 240 void reattach ();
136 if (attach)
137 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
138 }
139};
140 241
242protected:
243 // do the real refcount checking work
244 void do_check ();
245
246 // the method that does the real destroy work
247 virtual void do_destroy ();
248
249 // destructor is protected, should not be called by anybody
250 virtual ~attachable ();
251};
252
253// the global object is a pseudo object that cares for the global events
254struct global : attachable
255{
256 void gather_callbacks (AV *&callbacks, event_type event) const;
257};
258
259extern struct global gbl_ev;
260
261//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
262
263INTERFACE_CLASS(object_freezer)
141struct object_freezer : dynbuf 264struct object_freezer : dynbuf_text
142{ 265{
143 AV *av; 266 AV *av;
144 267
145 object_freezer (); 268 object_freezer ();
146 ~object_freezer (); 269 ~object_freezer ();
147 270
148 void put (attachable_base *ext); 271 void put (attachable *ext);
149
150 template<class subclass>
151 void put (attachable<subclass> *obj)
152 {
153 put ((attachable_base *)obj);
154 }
155 272
156 // used only for user-defined key-value pairs 273 // used only for user-defined key-value pairs
157 void put (const shstr &k, const shstr &v) 274 void put (const shstr &k, const shstr &v)
158 { 275 {
159 add (k); 276 add (k);
160 277
161 if (v) 278 if (expect_true (v))
162 add (' '), add (v); 279 add (' '), add (v);
163 280
164 add ('\n'); 281 add ('\n');
165 } 282 }
166 283
167 //TODO//temporary, used only for saving body locations
168 void put (const char *k, int v)
169 {
170 add (k);
171 add (' ');
172 add (sint32 (v));
173 add ('\n');
174 }
175
176 template<typename T> 284 template<typename T>
177 void put_string (keyword k, const T &v) 285 void put_kw_string (keyword k, const T &v)
178 { 286 {
179 int klen = keyword_len [k]; 287 int klen = keyword_len [k];
180 int vlen = v ? strlen (v) + 1 : 0; 288 int vlen = v ? strlen (v) + 1 : 0;
181 289
182 char *p = (char *)alloc (klen + vlen + 1); 290 char *p = (char *)alloc (klen + vlen + 1);
183 291
184 memcpy (p, keyword_str [k], klen); p += klen; 292 memcpy (p, keyword_str [k], klen); p += klen;
185 293
186 if (v) 294 if (expect_true (v))
187 { 295 {
188 *p++ = ' '; vlen--; 296 *p++ = ' '; vlen--;
189 memcpy (p, v, vlen); p += vlen; 297 memcpy (p, v, vlen); p += vlen;
190 } 298 }
191 299
192 *p = '\n'; 300 *p = '\n';
193 } 301 }
194 302
195 void put (keyword k, const char *v) 303 void put (keyword k, const char *v = 0)
196 { 304 {
197 put_string (k, v); 305 put_kw_string (k, v);
198 } 306 }
199 307
200 void put (keyword k, const shstr &v) 308 void put (keyword k, const shstr &v)
201 { 309 {
202 put_string (k, v); 310 put_kw_string (k, v);
203 } 311 }
204 312
205 void put (keyword k, double v) 313 void put (keyword k, double v)
206 { 314 {
207 char buf [128]; 315 force (MAX_KEYWORD_LEN + 2 + 32);
208 316 fadd (keyword_str [k], keyword_len [k]);
209 snprintf (buf, 128, "%.7g", v); 317 fadd (' ');
210 318 falloc (sprintf (ptr, "%.7g", v));
211 put (k, (const char *)buf); 319 fadd ('\n');
212 } 320 }
213 321
214 void put_(keyword k, sint64 v) 322 void put_(keyword k, sint64 v)
215 { 323 {
324 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
216 add (keyword_str [k], keyword_len [k]); 325 fadd (keyword_str [k], keyword_len [k]);
217 add (' '); 326 fadd (' ');
218 add (v); 327 add (v);
219 add ('\n'); 328 fadd ('\n');
220 } 329 }
221 330
222 void put_(keyword k, sint32 v) 331 void put_(keyword k, sint32 v)
223 { 332 {
333 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
224 add (keyword_str [k], keyword_len [k]); 334 fadd (keyword_str [k], keyword_len [k]);
225 add (' '); 335 fadd (' ');
226 add (v); 336 add (v);
227 add ('\n'); 337 fadd ('\n');
228 }
229
230 void put (keyword kbeg, keyword kend, const shstr &v)
231 {
232 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
233
234 if (v)
235 {
236 add (v);
237 add ('\n');
238 }
239
240 add (keyword_str [kend], keyword_len [kend]); add ('\n');
241 } 338 }
242 339
243 void put (keyword k, float v) { put (k, (double)v); } 340 void put (keyword k, float v) { put (k, (double)v); }
244 void put (keyword k, signed char v) { put_(k, (sint32)v); } 341 void put (keyword k, signed char v) { put_(k, (sint32)v); }
245 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 342 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
250 void put (keyword k, signed long v) { put_(k, (sint64)v); } 347 void put (keyword k, signed long v) { put_(k, (sint64)v); }
251 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 348 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
252 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 349 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
253 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 350 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
254 351
255 template<typename T> 352 void put (keyword kbeg, keyword kend, const shstr &v)
353 {
354 force (MAX_KEYWORD_LEN + 1);
355 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
356
357 if (expect_true (v))
358 {
359 add (v);
360 add ('\n');
361 }
362
363 force (MAX_KEYWORD_LEN + 1);
364 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
365 }
366
367 void put (keyword k, archetype *v);
368 void put (keyword k, treasurelist *v);
256 void put (keyword k, const T *v) 369 void put (keyword k, faceinfo *v);
257 {
258 if (v)
259 put (k, v->name);
260 else
261 put (k, (const char *)0);
262 }
263 370
264 template<typename T> 371 template<typename T>
265 void put (keyword k, const refptr<T> &v) 372 void put (keyword k, const refptr<T> &v)
266 { 373 {
267 put (k, (T *)v); 374 put (k, (T *)v);
268 } 375 }
269 376
270 bool save (const char *filename); 377 MTH bool save (const_octet_string path);
271 char *as_string (); // like strdup 378 char *as_string (); // like strdup
272 379
273 operator bool () { return !!av; } 380 operator bool () { return !!av; }
274}; 381};
275 382
276// compatibility support, should be removed when no longer needed 383INTERFACE_CLASS(object_thawer)
277int fprintf (object_freezer &freezer, const char *format, ...);
278int fputs (const char *s, object_freezer &freezer);
279
280struct object_thawer 384struct object_thawer
281{ 385{
386 char *line; // current beginning of line
282 SV *text; // text part 387 SV *text; // text part
283 AV *av; // perl part 388 AV *av; // perl part
284 char *line; // current beginning of line 389 int linenum;
285 char *last_value; 390 keyword kw;
391 char *kw_str; // the keyword parsed, as string
392 char *value; // the value, or 0 if no value
393 char *value_nn; // the value, or the empty string if no value
394 const char *name;
286 395
287 operator bool () { return !!text; } 396 operator bool () const { return !!text; }
288 397
289 object_thawer (const char *filename = 0); 398 object_thawer (const char *path = 0);
290 object_thawer (const char *data, AV *perlav); 399 object_thawer (const char *data, AV *perlav);
291 ~object_thawer (); 400 ~object_thawer ();
292 401
293 void get (data_type type, void *obj, attachable_base *ext, int oid);
294
295 template<class subclass>
296 void get (attachable<subclass> *obj, int oid) 402 void get (attachable *obj, int oid);
297 {
298 if (av)
299 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
300 }
301 403
302 keyword get_kv (); // also parse value for later use 404 // parse next line
405 MTH void next ();
406 // skip the current key-value (usually fetch next line, for
407 // multiline-fields, skips till the corresponding end-kw
408 MTH void skip ();
409 MTH void skip_block (); // skips till and over KW_end
303 410
304 const char *get_str () { return last_value; } // may be 0 411 char *get_str () { return value; } // may be 0
305
306 void get (shstr &sh) const;
307 void get_ornull (shstr &sh) const { sh = last_value; }
308 void get_ml (keyword kend, shstr &sh); 412 void get_ml (keyword kend, shstr &sh);
309 413
414 void get_ornull (shstr &sh) const { sh = value; }
415 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
416
417 bool get_bool () const { return *value_nn == '1'; }
310 sint32 get_sint32 () const; 418 sint32 get_sint32 () const;
311 sint64 get_sint64 () const; 419 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
312 double get_double () const; 420 double get_double () const { return strtod (value_nn, 0); }
313 421
314 void get (float &v) { v = get_double (); } 422 void get (float &v) { v = get_double (); }
315 void get (double &v) { v = get_double (); } 423 void get (double &v) { v = get_double (); }
316 424
425 void get (bool &i) { i = get_bool (); }
317 void get (sint8 &i) { i = get_sint32 (); } 426 void get (sint8 &i) { i = get_sint32 (); }
318 void get (uint8 &i) { i = get_sint32 (); } 427 void get (uint8 &i) { i = get_sint32 (); }
319 void get (sint16 &i) { i = get_sint32 (); } 428 void get (sint16 &i) { i = get_sint32 (); }
320 void get (uint16 &i) { i = get_sint32 (); } 429 void get (uint16 &i) { i = get_sint32 (); }
321 void get (sint32 &i) { i = get_sint32 (); } 430 void get (sint32 &i) { i = get_sint32 (); }
322 431
323 void get (uint32 &i) { i = get_sint64 (); } 432 void get (uint32 &i) { i = get_sint64 (); }
324 void get (sint64 &i) { i = get_sint64 (); } 433 void get (sint64 &i) { i = get_sint64 (); }
325};
326 434
435 MTH void parse_warn (const char *msg);
436 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
437
438 struct delayed_ref {
439 attachable *op;
440 object_ptr *ptr;
441 const char *ref;
442 };
443 std::vector<delayed_ref> delrefs;
444
445 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
446 MTH void resolve_delayed_derefs (bool deref = true);
447};
448
449//TODO: remove
327char *fgets (char *s, int n, object_thawer &thawer); 450char *fgets (char *s, int n, object_thawer &thawer);
328 451
452//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
453
454struct coroapi {
455 static struct CoroAPI *GCoroAPI;
456
457 static int nready () { return CORO_NREADY; }
458 static int cede () { return CORO_CEDE ; }
459
460 static tstamp next_cede;
461 static int cede_counter;
462
463 static void do_cede_every ();
464 static void do_cede_to_tick ();
465 static void do_cede_to_tick_every ();
466
467 static void cede_every (int count)
468 {
469 if (expect_false (++cede_counter >= count))
470 do_cede_every ();
471 }
472
473 static bool cede_to_tick ()
474 {
475 if (expect_true (now () < next_cede))
476 return false;
477
478 do_cede_to_tick ();
479 return true;
480 }
481
482 static bool cede_to_tick_every (int count)
483 {
484 if (expect_true (++cede_counter < count))
485 return false;
486
487 return cede_to_tick ();
488 }
489
490 static void wait_for_tick ();
491 static void wait_for_tick_begin ();
492};
493
494struct evapi
495{
496 static struct EVAPI *GEVAPI;
497};
498
499struct iow : ev_io, evapi, callback<void (iow &, int)>
500{
501 static void thunk (struct ev_io *w_, int revents)
502 {
503 iow &w = *static_cast<iow *>(w_);
504
505 w (w, revents);
506 }
507
508 template<class O, class M>
509 iow (O object, M method)
510 : callback<void (iow &, int)> (object, method)
511 {
512 ev_init ((ev_io *)this, thunk);
513 }
514
515 void set (int fd, int events)
516 {
517 ev_io_set ((ev_io *)this, fd, events);
518 }
519
520 int poll () const { return events; }
521
522 void poll (int events);
523
524 void start ()
525 {
526 ev_io_start ((ev_io *)this);
527 }
528
529 void stop ()
530 {
531 ev_io_stop ((ev_io *)this);
532 }
533
534 ~iow ()
535 {
536 stop ();
537 }
538};
539
329#endif 540#endif
330 541

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