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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.32 by root, Fri Nov 17 19:40:54 2006 UTC vs.
Revision 1.121 by root, Thu Apr 15 03:34:30 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
7#include <cstdio>
8
9using namespace std; 29using namespace std;
10 30
11#include <EXTERN.h> 31#include <EXTERN.h>
12#include <perl.h> 32#include <perl.h>
13#include <XSUB.h> 33#include <XSUB.h>
34
35#include <EVAPI.h>
36#include <CoroAPI.h>
37
38#include "util.h"
39#include "keyword.h"
40#include "dynbuf.h"
41#include "callback.h"
42
43//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
14 44
15// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 45// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
16#undef localtime 46#undef localtime
17#undef srand48 47#undef srand48
18#undef drand48 48#undef drand48
19#undef srandom 49#undef srandom
50#undef opendir
20#undef readdir 51#undef readdir
52#undef closedir
21#undef getprotobyname 53#undef getprotobyname
22#undef gethostbyname 54#undef gethostbyname
23#undef ctime 55#undef ctime
24#undef strerror 56#undef strerror
57#undef _
58
59// same here, massive symbol spamming
60#undef do_open
61#undef do_close
62#undef ref
63#undef seed
25 64
26// perl bug #40256: perl does overwrite those with reentrant versions 65// perl bug #40256: perl does overwrite those with reentrant versions
27// but does not initialise their state structures. 66// but does not initialise their state structures.
28#undef random 67#undef random
29#undef crypt 68#undef crypt
30 69
70//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
71
72#define _(msg) (msg)
73#define N_(msg) (msg)
74
75//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
76
77// some macros to simplify perl in-calls
78
79#define CHECK_ERROR \
80 if (SvTRUE (ERRSV)) \
81 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
82
83inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); }
84inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); }
85
86// TODO: temporarily enabled pushstack/popstack for all calls from the core, to maybe fix object memleak?
87#define CALL_PUSH PUSHSTACKi (PERLSI_UNKNOWN)
88#define CALL_POP PUTBACK; POPSTACK; SPAGAIN
89#define CALL_BEGIN(args) dSP; CALL_PUSH; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
90#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
91#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
92#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN;
93#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE; CALL_POP
94
95//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
96
31void cfperl_init (); 97void cfperl_init ();
32void cfperl_main (); 98void cfperl_main ();
99void cfperl_tick ();
100void cfperl_emergency_save ();
101void cfperl_cleanup (int make_core);
102void cfperl_make_book (object *book, int level);
103void cfperl_send_msg (client *ns, int color, const_utf8_string type, const_utf8_string msg);
104int cfperl_can_merge (object *ob1, object *ob2);
105void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
106
107bool is_match_expr (const_utf8_string expr);
108// applies the match expression and returns true if it matches
109bool match (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
110// same as above, but returns the first object found, or 0
111object *match_one (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
112
113//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
114
115#if IVSIZE >= 8
116 typedef IV val64;
117 typedef IV uval64;
118# define newSVval64 newSViv
119# define SvVAL64 SvIV
120# define newSVuval64 newSVuv
121# define SvUVAL64 SvUV
122#else
123 typedef double val64;
124 typedef double uval64;
125# define newSVval64 newSVnv
126# define SvVAL64 SvNV
127# define newSVuval64 newSVnv
128# define SvUVAL64 SvNV
129#endif
130
131extern tstamp runtime; // virtual server time, excluding time jumps and lag
132extern tstamp NOW; // real time of current server tick
33 133
34enum event_klass 134enum event_klass
35{ 135{
36 KLASS_NONE, 136 KLASS_NONE,
37 KLASS_GLOBAL, 137 KLASS_GLOBAL,
138 KLASS_ATTACHABLE,
139 KLASS_CLIENT,
38 KLASS_PLAYER, 140 KLASS_PLAYER,
39 KLASS_OBJECT, 141 KLASS_OBJECT,
40 KLASS_MAP, 142 KLASS_MAP,
143 KLASS_COMMAND,
41}; 144};
42 145
43enum event_type 146enum event_type
44{ 147{
45# define def(klass,name) EVENT_ ## klass ## _ ## name, 148# define def(klass,name) EVENT_ ## klass ## _ ## name,
46# include "eventinc.h" 149# include "eventinc.h"
47# undef def 150# undef def
48 NUM_EVENT_TYPES 151 NUM_EVENT_TYPES
49}; 152};
50 153
154// in which global events or per-type events are we interested
155extern bitset<NUM_EVENT_TYPES> ev_want_event;
156extern bitset<NUM_TYPES> ev_want_type;
157
51#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 158#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
52#define ARG_INT(v) DT_INT , static_cast<int> (v) 159#define ARG_INT(v) DT_INT , static_cast<int> (v)
53#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 160#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
54#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 161#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
55#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 162#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
56#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) 163#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l)
57#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o) 164#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
58#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) 165#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
59#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) 166#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
60#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) 167#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o))
168#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
61#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) 169#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
62#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) 170#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
63 171
64// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 172// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
65 173#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
66// all these return true when the normal event processing should be skipped (if any)
67#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
68
69#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
70#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) 174#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
175#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
71#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) 176#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
177#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
72#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) 178#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
73#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) 179#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
74 180
75//TODO should index into @result 181//TODO should index into @result
76#define RESULT(idx,type) cfperl_result_ ## type (idx) 182#define RESULT(idx,type) cfperl_result_ ## type (idx)
183#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
77#define RESULT_INT(idx) RESULT(idx, INT) 184#define RESULT_INT(idx) RESULT(idx, INT)
78#define RESULT_MAP(idx) RESULT(idx, MAP)
79 185
80bool cfperl_invoke (event_type event, ...); 186double cfperl_result_DOUBLE (int idx);
81int cfperl_result_INT (int idx); 187int cfperl_result_INT (int idx);
82int cfperl_result_MAP (int idx);
83 188
189//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
190
191INTERFACE_CLASS (attachable)
84struct attachable_base 192struct attachable : refcnt_base
85{ 193{
86 SV *self; 194 static MGVTBL vtbl;
195
196 enum {
197 F_DESTROYED = 0x01,
198 F_DEBUG_TRACE = 0x02,
199 };
200 uint8 ACC (RW, attachable_flags);
201
202 static unordered_vector<attachable *> mortals;
203 MTH static void check_mortals ();
204
205 // object is delete'd after the refcount reaches 0
206 MTH int refcnt_cnt () const;
207 // check wether the object has died and destroy
208 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
209
210 // destroy the object unless it was already destroyed
211 // this politely asks everybody interested the reduce
212 // the refcount to 0 as soon as possible.
213 MTH void destroy ();
214
215 // return wether an object was destroyed already
216 MTH bool destroyed () const { return attachable_flags & F_DESTROYED; }
217
218 // destruct and free the memory for this object
219 virtual void do_delete ();
220
221 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
222
223#if 0
224private:
225 static refcounted *rc_first;
226 refcounted *rc_next;
227#endif
228
229 HV *self; // CF+ perl self
87 AV *cb; // CF+ perl self and callback 230 AV *cb; // CF+ callbacks
88 shstr attach; // generic extension attachment information 231 shstr attach; // generic extension attachment information
89 232
90 void clear (); // called when free'ing objects 233 void sever_self (); // sever this object from its self, if it has one.
91 void optimise (); // possibly save some memory by destroying unneeded data 234 void optimise (); // possibly save some memory by destroying unneeded data
92 void instantiate (data_type type, void *obj);
93 235
94 void attachable_clear ()
95 {
96 self = 0;
97 cb = 0;
98 attach = 0;
99 }
100
101 attachable_base () 236 attachable ()
237 : attachable_flags (0), self (0), cb (0), attach (0)
102 { 238 {
103 attachable_clear ();
104 } 239 }
105 240
106 ~attachable_base ()
107 {
108 clear ();
109 }
110
111 attachable_base (const attachable_base &src) 241 attachable (const attachable &src)
112 : self (0), cb (0), attach (src.attach) 242 : attachable_flags (0), self (0), cb (0), attach (src.attach)
113 { 243 {
114 } 244 }
115 245
246 // set a custom key to the given value, or delete it if value = 0
247 void set_key (const_utf8_string key, const_utf8_string value = 0, bool is_utf8 = 0);
248
249 void set_key_text (const_utf8_string key, const_utf8_string value = 0)
250 {
251 set_key (key, value, 1);
252 }
253
254 void set_key_data (const_utf8_string key, const_utf8_string value = 0)
255 {
256 set_key (key, value, 0);
257 }
258
116 attachable_base &operator = (const attachable_base &src) 259 attachable &operator =(const attachable &src);
117 {
118 clear ();
119 attach = src.attach;
120 return *this;
121 }
122};
123 260
124// objects attachable from perl (or any other extension) should include or 261 // used to _quickly_ decide wether to shortcut the evaluation
125// derive using the curiously recurring template pattern, to avoid 262 bool should_invoke (event_type event)
126// virtual method calls etc. 263 {
127template<class subclass> 264 return ev_want_event [event] || cb;
128struct attachable : attachable_base 265 }
129{ 266
267 bool invoke (event_type event, ...);
268
130 void instantiate () 269 MTH void instantiate ();
270 void reattach ();
271
272protected:
273 // do the real refcount checking work
274 void do_check ();
275
276 // the method that does the real destroy work
277 virtual void do_destroy ();
278
279 // destructor is protected, should not be called by anybody
280 virtual ~attachable ();
281};
282
283// the global object is a pseudo object that cares for the global events
284struct global : attachable
285{
286 void gather_callbacks (AV *&callbacks, event_type event) const;
287};
288
289extern struct global gbl_ev;
290
291//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
292
293// a little dirty hack, maybe unify with something else at a later time
294// it is used to communicate as much info about the keyword string
295// to the consuemr as possible, for maximum performance.
296struct keyword_string
297{
298 const char *s;
299 const int l;
300
301 keyword_string (const char *s, int l)
302 : s(s), l(l)
131 { 303 { }
132 if (attach)
133 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
134 }
135};
136 304
305 keyword_string (keyword kw)
306 : s(keyword_str [kw]), l(keyword_len [kw])
307 {
308 }
309
310 keyword_string (shstr_tmp sh)
311 : s(&sh), l(sh.length ())
312 {
313 }
314};
315
316#define CS(keyword) keyword_string (# keyword, sizeof (# keyword) - 1)
317#define KW(keyword) CS(keyword)
318
319INTERFACE_CLASS(object_freezer)
137struct object_freezer : dynbuf 320struct object_freezer : dynbuf_text
138{ 321{
139 AV *av; 322 AV *av;
140 323
141 object_freezer (); 324 object_freezer ();
142 ~object_freezer (); 325 ~object_freezer ();
143 326
327 // serialise perl part
144 void put (attachable_base *ext); 328 void put_ (attachable *ext);
145
146 template<class subclass>
147 void put (attachable<subclass> *obj) 329 void put (attachable *ext)
148 { 330 {
149 put ((attachable_base *)obj); 331 if (expect_false (ext->self))
332 put_ (ext);
150 } 333 }
151 334
152 // used only for user-defined key-value pairs 335 // null value (== no space after keyword)
153 void put (const shstr &k, const shstr &v) 336 void put (const keyword_string k)
154 { 337 {
338 char *p = force (k.l + 1);
339 memcpy (p, k.s, k.l); p += k.l; *p++ = '\n';
340 alloc (p);
341 }
342
343 void put (const keyword_string k, const keyword_string v)
344 {
345 char *p = force (k.l + 1 + v.l + 1);
346 memcpy (p, k.s, k.l); p += k.l; *p++ = ' ';
347 memcpy (p, v.s, v.l); p += v.l; *p++ = '\n';
348 alloc (p);
349 }
350
351 void put (const keyword_string k, const_utf8_string v)
352 {
353 if (expect_true (v))
354 put (k, keyword_string (v, strlen (v)));
355 else
356 put (k);
357 }
358
359 void put (const keyword_string k, shstr_tmp v)
360 {
361 put (k, keyword_string (v));
362 }
363
364 void put (const keyword_string k, double v)
365 {
366 char *p = force (MAX_KEYWORD_LEN + 2 + 32);
367 memcpy (p, k.s, k.l); p += k.l; *p++ = ' ';
368 p += sprintf (p, "%.7g", v); *p++ = '\n';
369 alloc (p);
370 }
371
372 void put_(const keyword_string k, sint64 v)
373 {
374 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
155 add (k); 375 fadd (k.s, k.l);
156
157 if (v)
158 add (' '), add (v);
159
160 add ('\n');
161 }
162
163 //TODO//temporary, used only for saving body locations
164 void put (const char *k, int v)
165 {
166 add (k);
167 add (' '); 376 fadd (' ');
168 add (sint32 (v));
169 add ('\n');
170 }
171
172 template<typename T>
173 void put_string (keyword k, const T &v)
174 {
175 int klen = keyword_len [k];
176 int vlen = v ? strlen (v) + 1 : 0;
177
178 char *p = (char *)alloc (klen + vlen + 1);
179
180 memcpy (p, keyword_str [k], klen); p += klen;
181
182 if (v)
183 {
184 *p++ = ' '; vlen--;
185 memcpy (p, v, vlen); p += vlen;
186 }
187
188 *p = '\n';
189 }
190
191 void put (keyword k, const char *v)
192 {
193 put_string (k, v);
194 }
195
196 void put (keyword k, const shstr &v)
197 {
198 put_string (k, v);
199 }
200
201 void put (keyword k, double v)
202 {
203 char buf [128];
204
205 snprintf (buf, 128, "%.7g", v);
206
207 put (k, (const char *)buf);
208 }
209
210 void put_(keyword k, sint64 v)
211 {
212 add (keyword_str [k], keyword_len [k]);
213 add (' ');
214 add (v); 377 add (v);
215 add ('\n'); 378 fadd ('\n');
216 } 379 }
217 380
218 void put_(keyword k, sint32 v) 381 void put_(const keyword_string k, sint32 v)
219 { 382 {
220 add (keyword_str [k], keyword_len [k]); 383 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
384 fadd (k.s, k.l);
221 add (' '); 385 fadd (' ');
222 add (v); 386 add (v);
223 add ('\n'); 387 fadd ('\n');
224 } 388 }
225 389
226 void put (keyword kbeg, keyword kend, const shstr &v) 390 void put (const keyword_string k, float v) { put (k, (double)v); }
227 { 391 void put (const keyword_string k, signed char v) { put_(k, (sint32)v); }
228 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); 392 void put (const keyword_string k, unsigned char v) { put_(k, (sint32)v); }
393 void put (const keyword_string k, signed short v) { put_(k, (sint32)v); }
394 void put (const keyword_string k, unsigned short v) { put_(k, (sint32)v); }
395 void put (const keyword_string k, signed int v) { put_(k, (sint32)v); }
396 void put (const keyword_string k, unsigned int v) { put_(k, (sint64)v); }
397 void put (const keyword_string k, signed long v) { put_(k, (sint64)v); }
398 void put (const keyword_string k, unsigned long v) { put_(k, (sint64)v); }
399 void put (const keyword_string k, signed long long v) { put_(k, (sint64)v); }
400 void put (const keyword_string k, unsigned long long v) { put_(k, (sint64)v); }
229 401
230 if (v) 402 void put (const keyword_string kbeg, const keyword_string kend, shstr_tmp v)
403 {
404 force (MAX_KEYWORD_LEN + 1);
405 fadd (kbeg.s, kbeg.l); fadd ('\n');
406
407 if (expect_true (v))
231 { 408 {
232 add (v); 409 add (v);
233 add ('\n'); 410 add ('\n');
234 } 411 }
235 412
236 add (keyword_str [kend], keyword_len [kend]); add ('\n'); 413 force (MAX_KEYWORD_LEN + 1);
414 fadd (kend.s, kend.l); fadd ('\n');
237 } 415 }
238 416
239 void put (keyword k, float v) { put (k, (double)v); } 417 void put (const keyword_string k, archetype *v);
240 void put (keyword k, signed char v) { put_(k, (sint32)v); } 418 void put (const keyword_string k, treasurelist *v);
241 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 419 void put (const keyword_string k, faceinfo *v);
242 void put (keyword k, signed short v) { put_(k, (sint32)v); }
243 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
244 void put (keyword k, signed int v) { put_(k, (sint32)v); }
245 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
246 void put (keyword k, signed long v) { put_(k, (sint64)v); }
247 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
248 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
249 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
250 420
251 template<typename T> 421 template<typename T>
252 void put (keyword k, const T *v)
253 {
254 if (v)
255 put (k, v->name);
256 else
257 put (k, (const char *)0);
258 }
259
260 template<typename T>
261 void put (keyword k, const refptr<T> &v) 422 void put (const keyword_string k, const refptr<T> &v)
262 { 423 {
263 put (k, (T *)v); 424 put (k, (T *)v);
264 } 425 }
265 426
266 bool save (const char *filename); 427 MTH bool save (const_octet_string path);
267 char *as_string (); // like strdup 428 utf8_string as_string (); // like strdup
268 429
269 operator bool () { return !!av; } 430 operator bool () { return !!av; }
270}; 431};
271 432
272// compatibility support, should be removed when no longer needed 433INTERFACE_CLASS(object_thawer)
273int fprintf (object_freezer &freezer, const char *format, ...);
274int fputs (const char *s, object_freezer &freezer);
275
276struct object_thawer 434struct object_thawer
277{ 435{
436 char *line; // current beginning of line
278 SV *text; // text part 437 SV *text; // text part
279 AV *av; // perl part 438 AV *av; // perl part
280 char *line; // current beginning of line 439 int linenum;
281 char *last_value; 440 keyword kw;
441 char *kw_str; // the keyword parsed, as string
442 char *value; // the value, or 0 if no value
443 const char *value_nn; // the value, or the empty string if no value
444 const char *name;
282 445
283 operator bool () { return !!text; } 446 operator bool () const { return !!text; }
284 447
285 object_thawer (const char *filename = 0); 448 object_thawer (const_utf8_string path = 0);
286 object_thawer (const char *data, AV *perlav); 449 object_thawer (const_utf8_string data, AV *perlav);
287 ~object_thawer (); 450 ~object_thawer ();
288 451
289 void get (data_type type, void *obj, attachable_base *ext, int oid);
290
291 template<class subclass>
292 void get (attachable<subclass> *obj, int oid) 452 void get (attachable *obj, int oid);
293 {
294 if (av)
295 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
296 }
297 453
298 keyword get_kv (); // also parse value for later use 454 // parse next line
455 MTH void next ();
456 // skip the current key-value (usually fetch next line, for
457 // multiline-fields, skips till the corresponding end-kw
458 MTH void skip ();
459 MTH void skip_block (); // skips till and over KW_end
299 460
300 const char *get_str () { return last_value; } // may be 0 461 bool has_value () { return value; }
301 462 const_utf8_string get_str () { return value_nn; } // empty string when missing
302 void get (shstr &sh) const;
303 void get_ornull (shstr &sh) const { sh = last_value; }
304 void get_ml (keyword kend, shstr &sh); 463 void get_ml (keyword kend, shstr &sh);
305 464
465 void get_ornull (shstr &sh) const { sh = value; }
466 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
467
468 bool get_bool () const { return *value_nn == '1'; }
306 sint32 get_sint32 () const; 469 sint32 get_sint32 () const;
307 sint64 get_sint64 () const; 470 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
308 double get_double () const; 471 double get_double () const { return strtod (value_nn, 0); }
309 472
310 void get (float &v) { v = get_double (); } 473 void get (float &v) { v = get_double (); }
311 void get (double &v) { v = get_double (); } 474 void get (double &v) { v = get_double (); }
312 475
476 void get (bool &i) { i = get_bool (); }
313 void get (sint8 &i) { i = get_sint32 (); } 477 void get (sint8 &i) { i = get_sint32 (); }
314 void get (uint8 &i) { i = get_sint32 (); } 478 void get (uint8 &i) { i = get_sint32 (); }
315 void get (sint16 &i) { i = get_sint32 (); } 479 void get (sint16 &i) { i = get_sint32 (); }
316 void get (uint16 &i) { i = get_sint32 (); } 480 void get (uint16 &i) { i = get_sint32 (); }
317 void get (sint32 &i) { i = get_sint32 (); } 481 void get (sint32 &i) { i = get_sint32 (); }
318 482
319 void get (uint32 &i) { i = get_sint64 (); } 483 void get (uint32 &i) { i = get_sint64 (); }
320 void get (sint64 &i) { i = get_sint64 (); } 484 void get (sint64 &i) { i = get_sint64 (); }
321};
322 485
486 MTH void parse_warn (const_utf8_string msg);
487 MTH bool parse_error (const_utf8_string type = 0, const_utf8_string name = 0, bool skip = true);
488
489 struct delayed_ref {
490 attachable *op;
491 object_ptr *ptr;
492 const_utf8_string ref;
493 };
494 std::vector<delayed_ref> delrefs;
495
496 void delayed_deref (attachable *op, object_ptr &ptr, const_utf8_string ref);
497 MTH void resolve_delayed_derefs (bool deref = true);
498};
499
500//TODO: remove
323char *fgets (char *s, int n, object_thawer &thawer); 501char *fgets (char *s, int n, object_thawer &thawer);
324 502
503//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
504
505struct coroapi {
506 static struct CoroAPI *GCoroAPI;
507
508 static EV_ATOMIC_T cede_pending;
509
510 static int nready () { return CORO_NREADY; }
511 static int cede () { cede_pending = 0; return CORO_CEDE ; }
512
513 static void do_cede_to_tick ();
514
515 // actually cede's far more often
516 static bool cede_to_tick ()
517 {
518 if (expect_true (!cede_pending))
519 return false;
520
521 do_cede_to_tick ();
522 return true;
523 }
524
525 static void wait_for_tick ();
526 static void wait_for_tick_begin ();
527};
528
529struct evapi
530{
531 static struct EVAPI *GEVAPI;
532};
533
534struct iow : ev_io, evapi, callback<void (iow &, int)>
535{
536 static void thunk (EV_P_ struct ev_io *w_, int revents)
537 {
538 iow &w = *static_cast<iow *>(w_);
539
540 w (w, revents);
541 }
542
543 template<class O, class M>
544 iow (O object, M method)
545 : callback<void (iow &, int)> (object, method)
546 {
547 ev_init ((ev_io *)this, thunk);
548 }
549
550 void prio (int prio)
551 {
552 ev_set_priority ((ev_io *)this, prio);
553 }
554
555 void set (int fd, int events)
556 {
557 ev_io_set ((ev_io *)this, fd, events);
558 }
559
560 int poll () const { return events; }
561
562 void poll (int events);
563
564 void start ()
565 {
566 ev_io_start (EV_DEFAULT, (ev_io *)this);
567 }
568
569 void stop ()
570 {
571 ev_io_stop (EV_DEFAULT, (ev_io *)this);
572 }
573
574 ~iow ()
575 {
576 stop ();
577 }
578};
579
580struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
581{
582 static void thunk (EV_P_ struct ev_async *w_, int revents)
583 {
584 asyncw &w = *static_cast<asyncw *>(w_);
585
586 w (w, revents);
587 }
588
589 template<class O, class M>
590 asyncw (O object, M method)
591 : callback<void (asyncw &, int)> (object, method)
592 {
593 ev_init ((ev_async *)this, thunk);
594 }
595
596 void start ()
597 {
598 ev_async_start (EV_DEFAULT, (ev_async *)this);
599 }
600
601 void stop ()
602 {
603 ev_async_stop (EV_DEFAULT, (ev_async *)this);
604 }
605
606 ~asyncw ()
607 {
608 stop ();
609 }
610};
611
325#endif 612#endif
326 613

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