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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.37 by root, Fri Dec 15 19:59:19 2006 UTC vs.
Revision 1.117 by root, Fri Apr 2 03:41:24 2010 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 *
6 * Deliantra is free software: you can redistribute it and/or modify it under
7 * the terms of the Affero GNU General Public License as published by the
8 * Free Software Foundation, either version 3 of the License, or (at your
9 * option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the Affero GNU General Public License
17 * and the GNU General Public License along with this program. If not, see
18 * <http://www.gnu.org/licenses/>.
19 *
20 * The authors can be reached via e-mail to <support@deliantra.net>
21 */
22
1// 23//
2// cfperl.h perl interface 24// cfperl.h perl interface
3// 25//
4#ifndef CFPERL_H__ 26#ifndef CFPERL_H__
5#define CFPERL_H__ 27#define CFPERL_H__
6 28
29#include <cstdarg>
7#include <cstdio> 30#include <cstdio>
31#include <bitset>
8 32
9using namespace std; 33using namespace std;
10 34
11#include <EXTERN.h> 35#include <EXTERN.h>
12#include <perl.h> 36#include <perl.h>
13#include <XSUB.h> 37#include <XSUB.h>
14 38
15#include <EventAPI.h> 39#include <EVAPI.h>
40#include <CoroAPI.h>
16 41
42#include "util.h"
43#include "keyword.h"
44#include "dynbuf.h"
17#include "callback.h" 45#include "callback.h"
46
47//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
18 48
19// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 49// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
20#undef localtime 50#undef localtime
21#undef srand48 51#undef srand48
22#undef drand48 52#undef drand48
23#undef srandom 53#undef srandom
54#undef opendir
24#undef readdir 55#undef readdir
56#undef closedir
25#undef getprotobyname 57#undef getprotobyname
26#undef gethostbyname 58#undef gethostbyname
27#undef ctime 59#undef ctime
28#undef strerror 60#undef strerror
61#undef _
62
63// same here, massive symbol spamming
64#undef do_open
65#undef do_close
66#undef ref
67#undef seed
29 68
30// perl bug #40256: perl does overwrite those with reentrant versions 69// perl bug #40256: perl does overwrite those with reentrant versions
31// but does not initialise their state structures. 70// but does not initialise their state structures.
32#undef random 71#undef random
33#undef crypt 72#undef crypt
34 73
74//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
75
76#define _(msg) (msg)
77#define N_(msg) (msg)
78
79//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
80
81// some macros to simplify perl in-calls
82
83#define CHECK_ERROR \
84 if (SvTRUE (ERRSV)) \
85 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
86
87inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); }
88inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); }
89
90#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
91#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
92#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
93#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN;
94#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
95
96//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
97
35void cfperl_init (); 98void cfperl_init ();
36void cfperl_main (); 99void cfperl_main ();
100void cfperl_tick ();
101void cfperl_emergency_save ();
102void cfperl_cleanup (int make_core);
103void cfperl_make_book (object *book, int level);
104void cfperl_send_msg (client *ns, int color, const_utf8_string type, const_utf8_string msg);
105int cfperl_can_merge (object *ob1, object *ob2);
106void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
107
108bool is_match_expr (const_utf8_string expr);
109// applies the match expression and returns true if it matches
110bool match (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
111// same as above, but returns the first object found, or 0
112object *match_one (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
113
114//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
115
116#if IVSIZE >= 8
117 typedef IV val64;
118 typedef IV uval64;
119# define newSVval64 newSViv
120# define SvVAL64 SvIV
121# define newSVuval64 newSVuv
122# define SvUVAL64 SvUV
123#else
124 typedef double val64;
125 typedef double uval64;
126# define newSVval64 newSVnv
127# define SvVAL64 SvNV
128# define newSVuval64 newSVnv
129# define SvUVAL64 SvNV
130#endif
131
132extern tstamp runtime; // virtual server time, excluding time jumps and lag
133extern tstamp NOW; // real time of current server tick
37 134
38enum event_klass 135enum event_klass
39{ 136{
40 KLASS_NONE, 137 KLASS_NONE,
41 KLASS_GLOBAL, 138 KLASS_GLOBAL,
139 KLASS_ATTACHABLE,
42 KLASS_SOCKET, 140 KLASS_CLIENT,
43 KLASS_PLAYER, 141 KLASS_PLAYER,
44 KLASS_OBJECT, 142 KLASS_OBJECT,
45 KLASS_MAP, 143 KLASS_MAP,
46 KLASS_COMMAND, 144 KLASS_COMMAND,
47}; 145};
52# include "eventinc.h" 150# include "eventinc.h"
53# undef def 151# undef def
54 NUM_EVENT_TYPES 152 NUM_EVENT_TYPES
55}; 153};
56 154
155// in which global events or per-type events are we interested
156extern bitset<NUM_EVENT_TYPES> ev_want_event;
157extern bitset<NUM_TYPES> ev_want_type;
158
57#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 159#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
58#define ARG_INT(v) DT_INT , static_cast<int> (v) 160#define ARG_INT(v) DT_INT , static_cast<int> (v)
59#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 161#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
60#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 162#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
61#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 163#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
62#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) 164#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l)
63#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o) 165#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
64#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) 166#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
65#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) 167#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
66#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) 168#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o))
169#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
67#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) 170#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
68#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) 171#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
69#define ARG_SOCKET(o) DT_SOCKET, (void *)static_cast<client *> (o)
70 172
71// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 173// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
72 174#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
73// all these return true when the normal event processing should be skipped (if any)
74#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
75
76#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
77#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) 175#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
176#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
78#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) 177#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
79#define INVOKE_SOCKET(event, ns, ...) INVOKE_(EVENT_ ## SOCKET ## _ ## event, ARG_SOCKET (ns), ## __VA_ARGS__) 178#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
80#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) 179#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
81#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) 180#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
82 181
83//TODO should index into @result 182//TODO should index into @result
84#define RESULT(idx,type) cfperl_result_ ## type (idx) 183#define RESULT(idx,type) cfperl_result_ ## type (idx)
85#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 184#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
86#define RESULT_INT(idx) RESULT(idx, INT) 185#define RESULT_INT(idx) RESULT(idx, INT)
87 186
88bool cfperl_invoke (event_type event, ...);
89double cfperl_result_DOUBLE (int idx); 187double cfperl_result_DOUBLE (int idx);
90int cfperl_result_INT (int idx); 188int cfperl_result_INT (int idx);
91 189
190//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
191
192INTERFACE_CLASS (attachable)
92struct attachable_base 193struct attachable : refcnt_base
93{ 194{
195 static MGVTBL vtbl;
196
197 enum {
198 F_DESTROYED = 0x01,
199 F_DEBUG_TRACE = 0x02,
200 };
201 uint8 ACC (RW, attachable_flags);
202
203 static unordered_vector<attachable *> mortals;
204 MTH static void check_mortals ();
205
206 // object is delete'd after the refcount reaches 0
207 MTH int refcnt_cnt () const;
208 // check wether the object has died and destroy
209 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
210
211 // destroy the object unless it was already destroyed
212 // this politely asks everybody interested the reduce
213 // the refcount to 0 as soon as possible.
214 MTH void destroy ();
215
216 // return wether an object was destroyed already
217 MTH bool destroyed () const { return attachable_flags & F_DESTROYED; }
218
219 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
220
221#if 0
222private:
223 static refcounted *rc_first;
224 refcounted *rc_next;
225#endif
226
94 SV *self; // CF+ perl self 227 HV *self; // CF+ perl self
95 AV *cb; // CF+ callbacks 228 AV *cb; // CF+ callbacks
96 shstr attach; // generic extension attachment information 229 shstr attach; // generic extension attachment information
97 230
98 void clear (); // called when free'ing objects 231 void sever_self (); // sever this object from its self, if it has one.
99 void optimise (); // possibly save some memory by destroying unneeded data 232 void optimise (); // possibly save some memory by destroying unneeded data
100 void instantiate (data_type type, void *obj);
101 233
102 void attachable_clear ()
103 {
104 self = 0;
105 cb = 0;
106 attach = 0;
107 }
108
109 attachable_base () 234 attachable ()
235 : attachable_flags (0), self (0), cb (0), attach (0)
110 { 236 {
111 attachable_clear ();
112 } 237 }
113 238
114 ~attachable_base ()
115 {
116 clear ();
117 }
118
119 attachable_base (const attachable_base &src) 239 attachable (const attachable &src)
120 : self (0), cb (0), attach (src.attach) 240 : attachable_flags (0), self (0), cb (0), attach (src.attach)
121 { 241 {
122 } 242 }
123 243
244 // set a custom key to the given value, or delete it if value = 0
245 void set_key (const_utf8_string key, const_utf8_string value = 0, bool is_utf8 = 0);
246
247 void set_key_text (const_utf8_string key, const_utf8_string value = 0)
248 {
249 set_key (key, value, 1);
250 }
251
252 void set_key_data (const_utf8_string key, const_utf8_string value = 0)
253 {
254 set_key (key, value, 0);
255 }
256
124 attachable_base &operator =(const attachable_base &src) 257 attachable &operator =(const attachable &src);
125 {
126 clear ();
127 attach = src.attach;
128 return *this;
129 }
130};
131 258
132// objects attachable from perl (or any other extension) should include or 259 // used to _quickly_ decide wether to shortcut the evaluation
133// derive using the curiously recurring template pattern, to avoid 260 bool should_invoke (event_type event)
134// virtual method calls etc. 261 {
135template<class subclass> 262 return ev_want_event [event] || cb;
136struct attachable : attachable_base 263 }
137{ 264
265 bool invoke (event_type event, ...);
266
138 void instantiate () 267 MTH void instantiate ();
268 void reattach ();
269
270protected:
271 // do the real refcount checking work
272 void do_check ();
273
274 // the method that does the real destroy work
275 virtual void do_destroy ();
276
277 // destructor is protected, should not be called by anybody
278 virtual ~attachable ();
279};
280
281// the global object is a pseudo object that cares for the global events
282struct global : attachable
283{
284 void gather_callbacks (AV *&callbacks, event_type event) const;
285};
286
287extern struct global gbl_ev;
288
289//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
290
291// a little dirty hack, maybe unify with something else at a later time
292struct keyword_string
293{
294 const char *s;
295 const int l;
296
297 keyword_string (const char *s, int l)
298 : s(s), l(l)
139 { 299 { }
140 if (attach)
141 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
142 }
143};
144 300
301 keyword_string (keyword kw)
302 : s(keyword_str [kw]), l(keyword_len [kw])
303 {
304 }
305
306 keyword_string (shstr_tmp sh)
307 : s(&sh), l(sh.length ())
308 {
309 }
310};
311
312#define CS(keyword) keyword_string (# keyword, sizeof (# keyword) - 1)
313#define KW(keyword) CS(keyword)
314
315INTERFACE_CLASS(object_freezer)
145struct object_freezer : dynbuf 316struct object_freezer : dynbuf_text
146{ 317{
147 AV *av; 318 AV *av;
148 319
149 object_freezer (); 320 object_freezer ();
150 ~object_freezer (); 321 ~object_freezer ();
151 322
323 // serialise perl part
152 void put (attachable_base *ext); 324 void put_ (attachable *ext);
153
154 template<class subclass>
155 void put (attachable<subclass> *obj) 325 void put (attachable *ext)
156 { 326 {
157 put ((attachable_base *)obj); 327 if (expect_false (ext->self))
328 put_ (ext);
158 } 329 }
159 330
160 // used only for user-defined key-value pairs 331 // null value (== no space after keyword)
161 void put (const shstr &k, const shstr &v) 332 void put (const keyword_string k)
162 { 333 {
334 char *p = force (k.l + 1);
335 memcpy (p, k.s, k.l); p += k.l; *p++ = '\n';
336 alloc (p);
337 }
338
339 void put (const keyword_string k, const keyword_string v)
340 {
341 char *p = force (k.l + 1 + v.l + 1);
342 memcpy (p, k.s, k.l); p += k.l; *p++ = ' ';
343 memcpy (p, v.s, v.l); p += v.l; *p++ = '\n';
344 alloc (p);
345 }
346
347 void put (const keyword_string k, const_utf8_string v)
348 {
349 if (expect_true (v))
350 put (k, keyword_string (v, strlen (v)));
351 else
352 put (k);
353 }
354
355 void put (const keyword_string k, shstr_tmp v)
356 {
357 put (k, keyword_string (v));
358 }
359
360 void put (const keyword_string k, double v)
361 {
362 char *p = force (MAX_KEYWORD_LEN + 2 + 32);
363 memcpy (p, k.s, k.l); p += k.l; *p++ = ' ';
364 p += sprintf (p, "%.7g", v); *p++ = '\n';
365 alloc (p);
366 }
367
368 void put_(const keyword_string k, sint64 v)
369 {
370 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
163 add (k); 371 fadd (k.s, k.l);
164
165 if (v)
166 add (' '), add (v);
167
168 add ('\n');
169 }
170
171 //TODO//temporary, used only for saving body locations
172 void put (const char *k, int v)
173 {
174 add (k);
175 add (' '); 372 fadd (' ');
176 add (sint32 (v));
177 add ('\n');
178 }
179
180 template<typename T>
181 void put_string (keyword k, const T &v)
182 {
183 int klen = keyword_len [k];
184 int vlen = v ? strlen (v) + 1 : 0;
185
186 char *p = (char *)alloc (klen + vlen + 1);
187
188 memcpy (p, keyword_str [k], klen); p += klen;
189
190 if (v)
191 {
192 *p++ = ' '; vlen--;
193 memcpy (p, v, vlen); p += vlen;
194 }
195
196 *p = '\n';
197 }
198
199 void put (keyword k, const char *v)
200 {
201 put_string (k, v);
202 }
203
204 void put (keyword k, const shstr &v)
205 {
206 put_string (k, v);
207 }
208
209 void put (keyword k, double v)
210 {
211 char buf [128];
212
213 snprintf (buf, 128, "%.7g", v);
214
215 put (k, (const char *)buf);
216 }
217
218 void put_(keyword k, sint64 v)
219 {
220 add (keyword_str [k], keyword_len [k]);
221 add (' ');
222 add (v); 373 add (v);
223 add ('\n'); 374 fadd ('\n');
224 } 375 }
225 376
226 void put_(keyword k, sint32 v) 377 void put_(const keyword_string k, sint32 v)
227 { 378 {
228 add (keyword_str [k], keyword_len [k]); 379 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
380 fadd (k.s, k.l);
229 add (' '); 381 fadd (' ');
230 add (v); 382 add (v);
231 add ('\n'); 383 fadd ('\n');
232 } 384 }
233 385
234 void put (keyword kbeg, keyword kend, const shstr &v) 386 void put (const keyword_string k, float v) { put (k, (double)v); }
235 { 387 void put (const keyword_string k, signed char v) { put_(k, (sint32)v); }
236 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); 388 void put (const keyword_string k, unsigned char v) { put_(k, (sint32)v); }
389 void put (const keyword_string k, signed short v) { put_(k, (sint32)v); }
390 void put (const keyword_string k, unsigned short v) { put_(k, (sint32)v); }
391 void put (const keyword_string k, signed int v) { put_(k, (sint32)v); }
392 void put (const keyword_string k, unsigned int v) { put_(k, (sint64)v); }
393 void put (const keyword_string k, signed long v) { put_(k, (sint64)v); }
394 void put (const keyword_string k, unsigned long v) { put_(k, (sint64)v); }
395 void put (const keyword_string k, signed long long v) { put_(k, (sint64)v); }
396 void put (const keyword_string k, unsigned long long v) { put_(k, (sint64)v); }
237 397
238 if (v) 398 void put (const keyword_string kbeg, const keyword_string kend, shstr_tmp v)
399 {
400 force (MAX_KEYWORD_LEN + 1);
401 fadd (kbeg.s, kbeg.l); fadd ('\n');
402
403 if (expect_true (v))
239 { 404 {
240 add (v); 405 add (v);
241 add ('\n'); 406 add ('\n');
242 } 407 }
243 408
244 add (keyword_str [kend], keyword_len [kend]); add ('\n'); 409 force (MAX_KEYWORD_LEN + 1);
410 fadd (kend.s, kend.l); fadd ('\n');
245 } 411 }
246 412
247 void put (keyword k, float v) { put (k, (double)v); } 413 void put (const keyword_string k, archetype *v);
248 void put (keyword k, signed char v) { put_(k, (sint32)v); } 414 void put (const keyword_string k, treasurelist *v);
249 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 415 void put (const keyword_string k, faceinfo *v);
250 void put (keyword k, signed short v) { put_(k, (sint32)v); }
251 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
252 void put (keyword k, signed int v) { put_(k, (sint32)v); }
253 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
254 void put (keyword k, signed long v) { put_(k, (sint64)v); }
255 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
256 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
257 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
258 416
259 template<typename T> 417 template<typename T>
260 void put (keyword k, const T *v)
261 {
262 if (v)
263 put (k, v->name);
264 else
265 put (k, (const char *)0);
266 }
267
268 template<typename T>
269 void put (keyword k, const refptr<T> &v) 418 void put (const keyword_string k, const refptr<T> &v)
270 { 419 {
271 put (k, (T *)v); 420 put (k, (T *)v);
272 } 421 }
273 422
274 bool save (const char *filename); 423 MTH bool save (const_octet_string path);
275 char *as_string (); // like strdup 424 utf8_string as_string (); // like strdup
276 425
277 operator bool () { return !!av; } 426 operator bool () { return !!av; }
278}; 427};
279 428
280// compatibility support, should be removed when no longer needed 429INTERFACE_CLASS(object_thawer)
281int fprintf (object_freezer &freezer, const char *format, ...);
282int fputs (const char *s, object_freezer &freezer);
283
284struct object_thawer 430struct object_thawer
285{ 431{
432 char *line; // current beginning of line
286 SV *text; // text part 433 SV *text; // text part
287 AV *av; // perl part 434 AV *av; // perl part
288 char *line; // current beginning of line 435 int linenum;
289 char *last_value; 436 keyword kw;
437 char *kw_str; // the keyword parsed, as string
438 char *value; // the value, or 0 if no value
439 const char *value_nn; // the value, or the empty string if no value
440 const char *name;
290 441
291 operator bool () { return !!text; } 442 operator bool () const { return !!text; }
292 443
293 object_thawer (const char *filename = 0); 444 object_thawer (const_utf8_string path = 0);
294 object_thawer (const char *data, AV *perlav); 445 object_thawer (const_utf8_string data, AV *perlav);
295 ~object_thawer (); 446 ~object_thawer ();
296 447
297 void get (data_type type, void *obj, attachable_base *ext, int oid);
298
299 template<class subclass>
300 void get (attachable<subclass> *obj, int oid) 448 void get (attachable *obj, int oid);
301 {
302 if (av)
303 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
304 }
305 449
306 keyword get_kv (); // also parse value for later use 450 // parse next line
451 MTH void next ();
452 // skip the current key-value (usually fetch next line, for
453 // multiline-fields, skips till the corresponding end-kw
454 MTH void skip ();
455 MTH void skip_block (); // skips till and over KW_end
307 456
308 const char *get_str () { return last_value; } // may be 0 457 bool has_value () { return value; }
309 458 const_utf8_string get_str () { return value_nn; } // empty string when missing
310 void get (shstr &sh) const;
311 void get_ornull (shstr &sh) const { sh = last_value; }
312 void get_ml (keyword kend, shstr &sh); 459 void get_ml (keyword kend, shstr &sh);
313 460
461 void get_ornull (shstr &sh) const { sh = value; }
462 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
463
464 bool get_bool () const { return *value_nn == '1'; }
314 sint32 get_sint32 () const; 465 sint32 get_sint32 () const;
315 sint64 get_sint64 () const; 466 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
316 double get_double () const; 467 double get_double () const { return strtod (value_nn, 0); }
317 468
318 void get (float &v) { v = get_double (); } 469 void get (float &v) { v = get_double (); }
319 void get (double &v) { v = get_double (); } 470 void get (double &v) { v = get_double (); }
320 471
472 void get (bool &i) { i = get_bool (); }
321 void get (sint8 &i) { i = get_sint32 (); } 473 void get (sint8 &i) { i = get_sint32 (); }
322 void get (uint8 &i) { i = get_sint32 (); } 474 void get (uint8 &i) { i = get_sint32 (); }
323 void get (sint16 &i) { i = get_sint32 (); } 475 void get (sint16 &i) { i = get_sint32 (); }
324 void get (uint16 &i) { i = get_sint32 (); } 476 void get (uint16 &i) { i = get_sint32 (); }
325 void get (sint32 &i) { i = get_sint32 (); } 477 void get (sint32 &i) { i = get_sint32 (); }
326 478
327 void get (uint32 &i) { i = get_sint64 (); } 479 void get (uint32 &i) { i = get_sint64 (); }
328 void get (sint64 &i) { i = get_sint64 (); } 480 void get (sint64 &i) { i = get_sint64 (); }
329};
330 481
482 MTH void parse_warn (const_utf8_string msg);
483 MTH bool parse_error (const_utf8_string type = 0, const_utf8_string name = 0, bool skip = true);
484
485 struct delayed_ref {
486 attachable *op;
487 object_ptr *ptr;
488 const_utf8_string ref;
489 };
490 std::vector<delayed_ref> delrefs;
491
492 void delayed_deref (attachable *op, object_ptr &ptr, const_utf8_string ref);
493 MTH void resolve_delayed_derefs (bool deref = true);
494};
495
496//TODO: remove
331char *fgets (char *s, int n, object_thawer &thawer); 497char *fgets (char *s, int n, object_thawer &thawer);
332 498
333struct watcher_base 499//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
500
501struct coroapi {
502 static struct CoroAPI *GCoroAPI;
503
504 static EV_ATOMIC_T cede_pending;
505
506 static int nready () { return CORO_NREADY; }
507 static int cede () { cede_pending = 0; return CORO_CEDE ; }
508
509 static void do_cede_to_tick ();
510
511 // actually cede's far more often
512 static bool cede_to_tick ()
513 {
514 if (expect_true (!cede_pending))
515 return false;
516
517 do_cede_to_tick ();
518 return true;
519 }
520
521 static void wait_for_tick ();
522 static void wait_for_tick_begin ();
523};
524
525struct evapi
334{ 526{
335 static struct EventAPI *GEventAPI; 527 static struct EVAPI *GEVAPI;
336}; 528};
337 529
338template<class base>
339struct watcher : watcher_base
340{
341 base *pe;
342
343 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
344 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
345 void now () { GEventAPI->now ((pe_watcher *)pe); }
346 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
347 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
348
349 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
350
351 ~watcher ()
352 {
353 cancel ();
354 }
355
356private:
357 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
358};
359
360struct iow : watcher<pe_io>, callback<void (iow &, int)> 530struct iow : ev_io, evapi, callback<void (iow &, int)>
361{ 531{
532 static void thunk (EV_P_ struct ev_io *w_, int revents)
533 {
534 iow &w = *static_cast<iow *>(w_);
535
536 w (w, revents);
537 }
538
362 template<class O, class M> 539 template<class O, class M>
363 iow (O object, M method) 540 iow (O object, M method)
364 : callback<void (iow &, int)> (object, method) 541 : callback<void (iow &, int)> (object, method)
365 { 542 {
366 alloc (); 543 ev_init ((ev_io *)this, thunk);
367 } 544 }
368 545
369 iow &fd (int fd); 546 void prio (int prio)
370 int poll (); 547 {
548 ev_set_priority ((ev_io *)this, prio);
549 }
550
551 void set (int fd, int events)
552 {
553 ev_io_set ((ev_io *)this, fd, events);
554 }
555
556 int poll () const { return events; }
557
371 iow &poll (int events); 558 void poll (int events);
372 559
373private: 560 void start ()
374 void alloc (); 561 {
562 ev_io_start (EV_DEFAULT, (ev_io *)this);
563 }
564
565 void stop ()
566 {
567 ev_io_stop (EV_DEFAULT, (ev_io *)this);
568 }
569
570 ~iow ()
571 {
572 stop ();
573 }
574};
575
576struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
577{
578 static void thunk (EV_P_ struct ev_async *w_, int revents)
579 {
580 asyncw &w = *static_cast<asyncw *>(w_);
581
582 w (w, revents);
583 }
584
585 template<class O, class M>
586 asyncw (O object, M method)
587 : callback<void (asyncw &, int)> (object, method)
588 {
589 ev_init ((ev_async *)this, thunk);
590 }
591
592 void start ()
593 {
594 ev_async_start (EV_DEFAULT, (ev_async *)this);
595 }
596
597 void stop ()
598 {
599 ev_async_stop (EV_DEFAULT, (ev_async *)this);
600 }
601
602 ~asyncw ()
603 {
604 stop ();
605 }
375}; 606};
376 607
377#endif 608#endif
378 609

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