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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 1.106 by root, Sun Oct 11 18:18:03 2009 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
8 * Deliantra is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 *
21 * The authors can be reached via e-mail to <support@deliantra.net>
22 */
23
1// 24//
2// cfperl.h perl interface 25// cfperl.h perl interface
3// 26//
4#ifndef CFPERL_H__ 27#ifndef CFPERL_H__
5#define CFPERL_H__ 28#define CFPERL_H__
6 29
30#include <cstdarg>
7#include <cstdio> 31#include <cstdio>
32#include <bitset>
8 33
9using namespace std; 34using namespace std;
10 35
11#include <EXTERN.h> 36#include <EXTERN.h>
12#include <perl.h> 37#include <perl.h>
13#include <XSUB.h> 38#include <XSUB.h>
14 39
15#include <EventAPI.h> 40#include <EVAPI.h>
41#include <CoroAPI.h>
16 42
43#include "util.h"
44#include "keyword.h"
45#include "dynbuf.h"
17#include "callback.h" 46#include "callback.h"
47
48//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
18 49
19// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
20#undef localtime 51#undef localtime
21#undef srand48 52#undef srand48
22#undef drand48 53#undef drand48
23#undef srandom 54#undef srandom
55#undef opendir
24#undef readdir 56#undef readdir
57#undef closedir
25#undef getprotobyname 58#undef getprotobyname
26#undef gethostbyname 59#undef gethostbyname
27#undef ctime 60#undef ctime
28#undef strerror 61#undef strerror
62#undef _
29 63
30// same here, massive symbol spamming 64// same here, massive symbol spamming
31#undef do_open 65#undef do_open
32#undef do_close 66#undef do_close
67#undef ref
68#undef seed
33 69
34// perl bug #40256: perl does overwrite those with reentrant versions 70// perl bug #40256: perl does overwrite those with reentrant versions
35// but does not initialise their state structures. 71// but does not initialise their state structures.
36#undef random 72#undef random
37#undef crypt 73#undef crypt
38 74
75//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
76
77#define _(msg) (msg)
78#define N_(msg) (msg)
79
80//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
81
82// some macros to simplify perl in-calls
83
84#define CHECK_ERROR \
85 if (SvTRUE (ERRSV)) \
86 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
87
88#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
89#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
90#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
91#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
92#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
93
94//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
95
39void cfperl_init (); 96void cfperl_init ();
40void cfperl_main (); 97void cfperl_main ();
98void cfperl_tick ();
99void cfperl_emergency_save ();
100void cfperl_cleanup (int make_core);
101void cfperl_make_book (object *book, int level);
102void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
103int cfperl_can_merge (object *ob1, object *ob2);
104void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
105
106bool is_match_expr (const char *expr);
107/* applies the match expression and returns true if it matches */
108bool match (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
109
110//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
111
112#if IVSIZE >= 8
113 typedef IV val64;
114 typedef IV uval64;
115# define newSVval64 newSViv
116# define SvVAL64 SvIV
117# define newSVuval64 newSVuv
118# define SvUVAL64 SvUV
119#else
120 typedef double val64;
121 typedef double uval64;
122# define newSVval64 newSVnv
123# define SvVAL64 SvNV
124# define newSVuval64 newSVnv
125# define SvUVAL64 SvNV
126#endif
127
128extern tstamp runtime; // virtual server time, excluding time jumps and lag
129extern tstamp NOW; // real time of current server tick
41 130
42enum event_klass 131enum event_klass
43{ 132{
44 KLASS_NONE, 133 KLASS_NONE,
45 KLASS_GLOBAL, 134 KLASS_GLOBAL,
135 KLASS_ATTACHABLE,
46 KLASS_SOCKET, 136 KLASS_CLIENT,
47 KLASS_PLAYER, 137 KLASS_PLAYER,
48 KLASS_OBJECT, 138 KLASS_OBJECT,
49 KLASS_MAP, 139 KLASS_MAP,
50 KLASS_COMMAND, 140 KLASS_COMMAND,
51}; 141};
56# include "eventinc.h" 146# include "eventinc.h"
57# undef def 147# undef def
58 NUM_EVENT_TYPES 148 NUM_EVENT_TYPES
59}; 149};
60 150
151// in which global events or per-type events are we interested
152extern bitset<NUM_EVENT_TYPES> ev_want_event;
153extern bitset<NUM_TYPES> ev_want_type;
154
61#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 155#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
62#define ARG_INT(v) DT_INT , static_cast<int> (v) 156#define ARG_INT(v) DT_INT , static_cast<int> (v)
63#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 157#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
64#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 158#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
65#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 159#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) 160#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) 161#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
68#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) 162#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
69#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) 163#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
70#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) 164#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o))
165#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
71#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) 166#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
72#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) 167#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
73#define ARG_SOCKET(o) DT_SOCKET, (void *)static_cast<client *> (o)
74 168
75// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 169// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
76 170#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__) 171#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
172#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__) 173#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__) 174#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__) 175#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__) 176#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
86 177
87//TODO should index into @result 178//TODO should index into @result
88#define RESULT(idx,type) cfperl_result_ ## type (idx) 179#define RESULT(idx,type) cfperl_result_ ## type (idx)
89#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 180#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
90#define RESULT_INT(idx) RESULT(idx, INT) 181#define RESULT_INT(idx) RESULT(idx, INT)
91 182
92bool cfperl_invoke (event_type event, ...);
93double cfperl_result_DOUBLE (int idx); 183double cfperl_result_DOUBLE (int idx);
94int cfperl_result_INT (int idx); 184int cfperl_result_INT (int idx);
95 185
186//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
187
188INTERFACE_CLASS (attachable)
96struct attachable_base 189struct attachable : refcnt_base
97{ 190{
191 static MGVTBL vtbl;
192
193 enum {
194 F_DESTROYED = 0x01,
195 F_DEBUG_TRACE = 0x02,
196 };
197 uint8 ACC (RW, flags);
198
199 static unordered_vector<attachable *> mortals;
200 MTH static void check_mortals ();
201
202 // object is delete'd after the refcount reaches 0
203 MTH int refcnt_cnt () const;
204 // check wether the object has died and destroy
205 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
206
207 // destroy the object unless it was already destroyed
208 // this politely asks everybody interested the reduce
209 // the refcount to 0 as soon as possible.
210 MTH void destroy ();
211
212 // return wether an object was destroyed already
213 MTH bool destroyed () const { return flags & F_DESTROYED; }
214
215 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
216
217#if 0
218private:
219 static refcounted *rc_first;
220 refcounted *rc_next;
221#endif
222
98 SV *self; // CF+ perl self 223 HV *self; // CF+ perl self
99 AV *cb; // CF+ callbacks 224 AV *cb; // CF+ callbacks
100 shstr attach; // generic extension attachment information 225 shstr attach; // generic extension attachment information
101 226
102 void clear (); // called when free'ing objects 227 void sever_self (); // sever this object from its self, if it has one.
103 void optimise (); // possibly save some memory by destroying unneeded data 228 void optimise (); // possibly save some memory by destroying unneeded data
104 void instantiate (data_type type, void *obj);
105 229
106 void attachable_clear ()
107 {
108 self = 0;
109 cb = 0;
110 attach = 0;
111 }
112
113 attachable_base () 230 attachable ()
231 : flags (0), self (0), cb (0), attach (0)
114 { 232 {
115 attachable_clear ();
116 } 233 }
117 234
118 ~attachable_base ()
119 {
120 clear ();
121 }
122
123 attachable_base (const attachable_base &src) 235 attachable (const attachable &src)
124 : self (0), cb (0), attach (src.attach) 236 : flags (0), self (0), cb (0), attach (src.attach)
125 { 237 {
126 } 238 }
127 239
240 // set a custom key to the given value, or delete it if value = 0
241 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
242
243 void set_key_text (const char *key, const char *value = 0)
244 {
245 set_key (key, value, 1);
246 }
247
248 void set_key_data (const char *key, const char *value = 0)
249 {
250 set_key (key, value, 0);
251 }
252
128 attachable_base &operator =(const attachable_base &src) 253 attachable &operator =(const attachable &src);
129 {
130 clear ();
131 attach = src.attach;
132 return *this;
133 }
134};
135 254
136// objects attachable from perl (or any other extension) should include or 255 // used to _quickly_ device wether to shortcut the evaluation
137// derive using the curiously recurring template pattern, to avoid 256 bool should_invoke (event_type event)
138// virtual method calls etc. 257 {
139template<class subclass> 258 return ev_want_event [event] || cb;
140struct attachable : attachable_base 259 }
141{ 260
261 bool invoke (event_type event, ...);
262
142 void instantiate () 263 MTH void instantiate ();
143 { 264 void reattach ();
144 if (attach)
145 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
146 }
147};
148 265
266protected:
267 // do the real refcount checking work
268 void do_check ();
269
270 // the method that does the real destroy work
271 virtual void do_destroy ();
272
273 // destructor is protected, should not be called by anybody
274 virtual ~attachable ();
275};
276
277// the global object is a pseudo object that cares for the global events
278struct global : attachable
279{
280 void gather_callbacks (AV *&callbacks, event_type event) const;
281};
282
283extern struct global gbl_ev;
284
285//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
286
287INTERFACE_CLASS(object_freezer)
149struct object_freezer : dynbuf 288struct object_freezer : dynbuf_text
150{ 289{
151 AV *av; 290 AV *av;
152 291
153 object_freezer (); 292 object_freezer ();
154 ~object_freezer (); 293 ~object_freezer ();
155 294
156 void put (attachable_base *ext); 295 void put (attachable *ext);
157
158 template<class subclass>
159 void put (attachable<subclass> *obj)
160 {
161 put ((attachable_base *)obj);
162 }
163 296
164 // used only for user-defined key-value pairs 297 // used only for user-defined key-value pairs
165 void put (const shstr &k, const shstr &v) 298 void put (shstr_tmp k, shstr_tmp v)
166 { 299 {
167 add (k); 300 add (k);
168 301
169 if (v) 302 if (expect_true (v))
170 add (' '), add (v); 303 add (' '), add (v);
171 304
172 add ('\n'); 305 add ('\n');
173 } 306 }
174 307
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> 308 template<typename T>
185 void put_string (keyword k, const T &v) 309 void put_kw_string (keyword k, const T &v)
186 { 310 {
187 int klen = keyword_len [k]; 311 int klen = keyword_len [k];
188 int vlen = v ? strlen (v) + 1 : 0; 312 int vlen = v ? strlen (v) + 1 : 0;
189 313
190 char *p = (char *)alloc (klen + vlen + 1); 314 char *p = (char *)alloc (klen + vlen + 1);
191 315
192 memcpy (p, keyword_str [k], klen); p += klen; 316 memcpy (p, keyword_str [k], klen); p += klen;
193 317
194 if (v) 318 if (expect_true (v))
195 { 319 {
196 *p++ = ' '; vlen--; 320 *p++ = ' '; vlen--;
197 memcpy (p, v, vlen); p += vlen; 321 memcpy (p, v, vlen); p += vlen;
198 } 322 }
199 323
200 *p = '\n'; 324 *p = '\n';
201 } 325 }
202 326
203 void put (keyword k, const char *v) 327 void put (keyword k, const char *v = 0)
204 { 328 {
205 put_string (k, v); 329 put_kw_string (k, v);
206 } 330 }
207 331
208 void put (keyword k, const shstr &v) 332 void put (keyword k, shstr_tmp v)
209 { 333 {
210 put_string (k, v); 334 put_kw_string (k, v);
211 } 335 }
212 336
213 void put (keyword k, double v) 337 void put (keyword k, double v)
214 { 338 {
215 char buf [128]; 339 force (MAX_KEYWORD_LEN + 2 + 32);
216 340 fadd (keyword_str [k], keyword_len [k]);
217 snprintf (buf, 128, "%.7g", v); 341 fadd (' ');
218 342 falloc (sprintf (ptr, "%.7g", v));
219 put (k, (const char *)buf); 343 fadd ('\n');
220 } 344 }
221 345
222 void put_(keyword k, sint64 v) 346 void put_(keyword k, sint64 v)
223 { 347 {
348 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
224 add (keyword_str [k], keyword_len [k]); 349 fadd (keyword_str [k], keyword_len [k]);
225 add (' '); 350 fadd (' ');
226 add (v); 351 add (v);
227 add ('\n'); 352 fadd ('\n');
228 } 353 }
229 354
230 void put_(keyword k, sint32 v) 355 void put_(keyword k, sint32 v)
231 { 356 {
357 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
232 add (keyword_str [k], keyword_len [k]); 358 fadd (keyword_str [k], keyword_len [k]);
233 add (' '); 359 fadd (' ');
234 add (v); 360 add (v);
235 add ('\n'); 361 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 } 362 }
250 363
251 void put (keyword k, float v) { put (k, (double)v); } 364 void put (keyword k, float v) { put (k, (double)v); }
252 void put (keyword k, signed char v) { put_(k, (sint32)v); } 365 void put (keyword k, signed char v) { put_(k, (sint32)v); }
253 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 366 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
258 void put (keyword k, signed long v) { put_(k, (sint64)v); } 371 void put (keyword k, signed long v) { put_(k, (sint64)v); }
259 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 372 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
260 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 373 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); } 374 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
262 375
263 template<typename T> 376 void put (keyword kbeg, keyword kend, shstr_tmp v)
377 {
378 force (MAX_KEYWORD_LEN + 1);
379 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
380
381 if (expect_true (v))
382 {
383 add (v);
384 add ('\n');
385 }
386
387 force (MAX_KEYWORD_LEN + 1);
388 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
389 }
390
391 void put (keyword k, archetype *v);
392 void put (keyword k, treasurelist *v);
264 void put (keyword k, const T *v) 393 void put (keyword k, faceinfo *v);
265 {
266 if (v)
267 put (k, v->name);
268 else
269 put (k, (const char *)0);
270 }
271 394
272 template<typename T> 395 template<typename T>
273 void put (keyword k, const refptr<T> &v) 396 void put (keyword k, const refptr<T> &v)
274 { 397 {
275 put (k, (T *)v); 398 put (k, (T *)v);
276 } 399 }
277 400
278 bool save (const char *filename); 401 MTH bool save (const_octet_string path);
279 char *as_string (); // like strdup 402 char *as_string (); // like strdup
280 403
281 operator bool () { return !!av; } 404 operator bool () { return !!av; }
282}; 405};
283 406
284// compatibility support, should be removed when no longer needed 407INTERFACE_CLASS(object_thawer)
285int fprintf (object_freezer &freezer, const char *format, ...);
286int fputs (const char *s, object_freezer &freezer);
287
288struct object_thawer 408struct object_thawer
289{ 409{
410 char *line; // current beginning of line
290 SV *text; // text part 411 SV *text; // text part
291 AV *av; // perl part 412 AV *av; // perl part
292 char *line; // current beginning of line 413 int linenum;
293 char *last_value; 414 keyword kw;
415 char *kw_str; // the keyword parsed, as string
416 char *value; // the value, or 0 if no value
417 const char *value_nn; // the value, or the empty string if no value
418 const char *name;
294 419
295 operator bool () { return !!text; } 420 operator bool () const { return !!text; }
296 421
297 object_thawer (const char *filename = 0); 422 object_thawer (const char *path = 0);
298 object_thawer (const char *data, AV *perlav); 423 object_thawer (const char *data, AV *perlav);
299 ~object_thawer (); 424 ~object_thawer ();
300 425
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) 426 void get (attachable *obj, int oid);
305 {
306 if (av)
307 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
308 }
309 427
310 keyword get_kv (); // also parse value for later use 428 // parse next line
429 MTH void next ();
430 // skip the current key-value (usually fetch next line, for
431 // multiline-fields, skips till the corresponding end-kw
432 MTH void skip ();
433 MTH void skip_block (); // skips till and over KW_end
311 434
312 const char *get_str () { return last_value; } // may be 0 435 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); 436 void get_ml (keyword kend, shstr &sh);
317 437
438 void get_ornull (shstr &sh) const { sh = value; }
439 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
440
441 bool get_bool () const { return *value_nn == '1'; }
318 sint32 get_sint32 () const; 442 sint32 get_sint32 () const;
319 sint64 get_sint64 () const; 443 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
320 double get_double () const; 444 double get_double () const { return strtod (value_nn, 0); }
321 445
322 void get (float &v) { v = get_double (); } 446 void get (float &v) { v = get_double (); }
323 void get (double &v) { v = get_double (); } 447 void get (double &v) { v = get_double (); }
324 448
449 void get (bool &i) { i = get_bool (); }
325 void get (sint8 &i) { i = get_sint32 (); } 450 void get (sint8 &i) { i = get_sint32 (); }
326 void get (uint8 &i) { i = get_sint32 (); } 451 void get (uint8 &i) { i = get_sint32 (); }
327 void get (sint16 &i) { i = get_sint32 (); } 452 void get (sint16 &i) { i = get_sint32 (); }
328 void get (uint16 &i) { i = get_sint32 (); } 453 void get (uint16 &i) { i = get_sint32 (); }
329 void get (sint32 &i) { i = get_sint32 (); } 454 void get (sint32 &i) { i = get_sint32 (); }
330 455
331 void get (uint32 &i) { i = get_sint64 (); } 456 void get (uint32 &i) { i = get_sint64 (); }
332 void get (sint64 &i) { i = get_sint64 (); } 457 void get (sint64 &i) { i = get_sint64 (); }
333};
334 458
459 MTH void parse_warn (const char *msg);
460 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
461
462 struct delayed_ref {
463 attachable *op;
464 object_ptr *ptr;
465 const char *ref;
466 };
467 std::vector<delayed_ref> delrefs;
468
469 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
470 MTH void resolve_delayed_derefs (bool deref = true);
471};
472
473//TODO: remove
335char *fgets (char *s, int n, object_thawer &thawer); 474char *fgets (char *s, int n, object_thawer &thawer);
336 475
337struct watcher_base 476//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
477
478struct coroapi {
479 static struct CoroAPI *GCoroAPI;
480
481 static EV_ATOMIC_T cede_pending;
482
483 static int nready () { return CORO_NREADY; }
484 static int cede () { cede_pending = 0; return CORO_CEDE ; }
485
486 static void do_cede_to_tick ();
487
488 // actually cede's far more often
489 static bool cede_to_tick ()
490 {
491 if (expect_true (!cede_pending))
492 return false;
493
494 do_cede_to_tick ();
495 return true;
496 }
497
498 static void wait_for_tick ();
499 static void wait_for_tick_begin ();
500};
501
502struct evapi
338{ 503{
339 static struct EventAPI *GEventAPI; 504 static struct EVAPI *GEVAPI;
340}; 505};
341 506
342template<class base>
343struct watcher : watcher_base
344{
345 base *pe;
346
347 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
348 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
349 void now () { GEventAPI->now ((pe_watcher *)pe); }
350 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
351 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
352
353 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
354
355 ~watcher ()
356 {
357 cancel ();
358 }
359
360private:
361 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
362};
363
364struct iw : watcher<pe_idle>, callback<void (iw &)>
365{
366 template<class O, class M>
367 iw (O object, M method)
368 : callback<void (iw &)> (object, method)
369 {
370 alloc ();
371 }
372
373private:
374 void alloc ();
375};
376
377struct iow : watcher<pe_io>, callback<void (iow &, int)> 507struct iow : ev_io, evapi, callback<void (iow &, int)>
378{ 508{
509 static void thunk (EV_P_ struct ev_io *w_, int revents)
510 {
511 iow &w = *static_cast<iow *>(w_);
512
513 w (w, revents);
514 }
515
379 template<class O, class M> 516 template<class O, class M>
380 iow (O object, M method) 517 iow (O object, M method)
381 : callback<void (iow &, int)> (object, method) 518 : callback<void (iow &, int)> (object, method)
382 { 519 {
383 alloc (); 520 ev_init ((ev_io *)this, thunk);
384 } 521 }
385 522
386 void fd (int fd); 523 void prio (int prio)
387 int poll (); 524 {
525 ev_set_priority ((ev_io *)this, prio);
526 }
527
528 void set (int fd, int events)
529 {
530 ev_io_set ((ev_io *)this, fd, events);
531 }
532
533 int poll () const { return events; }
534
388 void poll (int events); 535 void poll (int events);
389 536
390private: 537 void start ()
391 void alloc (); 538 {
539 ev_io_start (EV_DEFAULT, (ev_io *)this);
540 }
541
542 void stop ()
543 {
544 ev_io_stop (EV_DEFAULT, (ev_io *)this);
545 }
546
547 ~iow ()
548 {
549 stop ();
550 }
551};
552
553struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
554{
555 static void thunk (EV_P_ struct ev_async *w_, int revents)
556 {
557 asyncw &w = *static_cast<asyncw *>(w_);
558
559 w (w, revents);
560 }
561
562 template<class O, class M>
563 asyncw (O object, M method)
564 : callback<void (asyncw &, int)> (object, method)
565 {
566 ev_init ((ev_async *)this, thunk);
567 }
568
569 void start ()
570 {
571 ev_async_start (EV_DEFAULT, (ev_async *)this);
572 }
573
574 void stop ()
575 {
576 ev_async_stop (EV_DEFAULT, (ev_async *)this);
577 }
578
579 ~asyncw ()
580 {
581 stop ();
582 }
392}; 583};
393 584
394#endif 585#endif
395 586

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