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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.36 by root, Thu Dec 14 20:39:54 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 _
63
64// same here, massive symbol spamming
65#undef do_open
66#undef do_close
67#undef ref
68#undef seed
29 69
30// perl bug #40256: perl does overwrite those with reentrant versions 70// perl bug #40256: perl does overwrite those with reentrant versions
31// but does not initialise their state structures. 71// but does not initialise their state structures.
32#undef random 72#undef random
33#undef crypt 73#undef crypt
34 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
35void cfperl_init (); 96void cfperl_init ();
36void 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
37 130
38enum event_klass 131enum event_klass
39{ 132{
40 KLASS_NONE, 133 KLASS_NONE,
41 KLASS_GLOBAL, 134 KLASS_GLOBAL,
135 KLASS_ATTACHABLE,
42 KLASS_SOCKET, 136 KLASS_CLIENT,
43 KLASS_PLAYER, 137 KLASS_PLAYER,
44 KLASS_OBJECT, 138 KLASS_OBJECT,
45 KLASS_MAP, 139 KLASS_MAP,
46 KLASS_COMMAND, 140 KLASS_COMMAND,
47}; 141};
52# include "eventinc.h" 146# include "eventinc.h"
53# undef def 147# undef def
54 NUM_EVENT_TYPES 148 NUM_EVENT_TYPES
55}; 149};
56 150
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
57#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 155#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
58#define ARG_INT(v) DT_INT , static_cast<int> (v) 156#define ARG_INT(v) DT_INT , static_cast<int> (v)
59#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 157#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
60#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 158#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
61#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 159#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) 160#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) 161#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
64#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) 162#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
65#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) 163#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
66#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))
67#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) 166#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
68#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) 167#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
69#define ARG_SOCKET(o) DT_SOCKET, (void *)static_cast<client_socket *> (o)
70 168
71// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 169// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
72 170#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__) 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__)
78#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__)
79#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__)
80#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__)
81#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__)
82 177
83//TODO should index into @result 178//TODO should index into @result
84#define RESULT(idx,type) cfperl_result_ ## type (idx) 179#define RESULT(idx,type) cfperl_result_ ## type (idx)
85#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 180#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
86#define RESULT_INT(idx) RESULT(idx, INT) 181#define RESULT_INT(idx) RESULT(idx, INT)
87 182
88bool cfperl_invoke (event_type event, ...);
89double cfperl_result_DOUBLE (int idx); 183double cfperl_result_DOUBLE (int idx);
90int cfperl_result_INT (int idx); 184int cfperl_result_INT (int idx);
91 185
186//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
187
188INTERFACE_CLASS (attachable)
92struct attachable_base 189struct attachable : refcnt_base
93{ 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
94 SV *self; // CF+ perl self 223 HV *self; // CF+ perl self
95 AV *cb; // CF+ callbacks 224 AV *cb; // CF+ callbacks
96 shstr attach; // generic extension attachment information 225 shstr attach; // generic extension attachment information
97 226
98 void clear (); // called when free'ing objects 227 void sever_self (); // sever this object from its self, if it has one.
99 void optimise (); // possibly save some memory by destroying unneeded data 228 void optimise (); // possibly save some memory by destroying unneeded data
100 void instantiate (data_type type, void *obj);
101 229
102 void attachable_clear ()
103 {
104 self = 0;
105 cb = 0;
106 attach = 0;
107 }
108
109 attachable_base () 230 attachable ()
231 : flags (0), self (0), cb (0), attach (0)
110 { 232 {
111 attachable_clear ();
112 } 233 }
113 234
114 ~attachable_base ()
115 {
116 clear ();
117 }
118
119 attachable_base (const attachable_base &src) 235 attachable (const attachable &src)
120 : self (0), cb (0), attach (src.attach) 236 : flags (0), self (0), cb (0), attach (src.attach)
121 { 237 {
122 } 238 }
123 239
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
124 attachable_base &operator =(const attachable_base &src) 253 attachable &operator =(const attachable &src);
125 {
126 clear ();
127 attach = src.attach;
128 return *this;
129 }
130};
131 254
132// objects attachable from perl (or any other extension) should include or 255 // used to _quickly_ device wether to shortcut the evaluation
133// derive using the curiously recurring template pattern, to avoid 256 bool should_invoke (event_type event)
134// virtual method calls etc. 257 {
135template<class subclass> 258 return ev_want_event [event] || cb;
136struct attachable : attachable_base 259 }
137{ 260
261 bool invoke (event_type event, ...);
262
138 void instantiate () 263 MTH void instantiate ();
139 { 264 void reattach ();
140 if (attach)
141 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
142 }
143};
144 265
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)
145struct object_freezer : dynbuf 288struct object_freezer : dynbuf_text
146{ 289{
147 AV *av; 290 AV *av;
148 291
149 object_freezer (); 292 object_freezer ();
150 ~object_freezer (); 293 ~object_freezer ();
151 294
152 void put (attachable_base *ext); 295 void put (attachable *ext);
153
154 template<class subclass>
155 void put (attachable<subclass> *obj)
156 {
157 put ((attachable_base *)obj);
158 }
159 296
160 // used only for user-defined key-value pairs 297 // used only for user-defined key-value pairs
161 void put (const shstr &k, const shstr &v) 298 void put (shstr_tmp k, shstr_tmp v)
162 { 299 {
163 add (k); 300 add (k);
164 301
165 if (v) 302 if (expect_true (v))
166 add (' '), add (v); 303 add (' '), add (v);
167 304
168 add ('\n'); 305 add ('\n');
169 } 306 }
170 307
171 //TODO//temporary, used only for saving body locations
172 void put (const char *k, int v)
173 {
174 add (k);
175 add (' ');
176 add (sint32 (v));
177 add ('\n');
178 }
179
180 template<typename T> 308 template<typename T>
181 void put_string (keyword k, const T &v) 309 void put_kw_string (keyword k, const T &v)
182 { 310 {
183 int klen = keyword_len [k]; 311 int klen = keyword_len [k];
184 int vlen = v ? strlen (v) + 1 : 0; 312 int vlen = v ? strlen (v) + 1 : 0;
185 313
186 char *p = (char *)alloc (klen + vlen + 1); 314 char *p = (char *)alloc (klen + vlen + 1);
187 315
188 memcpy (p, keyword_str [k], klen); p += klen; 316 memcpy (p, keyword_str [k], klen); p += klen;
189 317
190 if (v) 318 if (expect_true (v))
191 { 319 {
192 *p++ = ' '; vlen--; 320 *p++ = ' '; vlen--;
193 memcpy (p, v, vlen); p += vlen; 321 memcpy (p, v, vlen); p += vlen;
194 } 322 }
195 323
196 *p = '\n'; 324 *p = '\n';
197 } 325 }
198 326
199 void put (keyword k, const char *v) 327 void put (keyword k, const char *v = 0)
200 { 328 {
201 put_string (k, v); 329 put_kw_string (k, v);
202 } 330 }
203 331
204 void put (keyword k, const shstr &v) 332 void put (keyword k, shstr_tmp v)
205 { 333 {
206 put_string (k, v); 334 put_kw_string (k, v);
207 } 335 }
208 336
209 void put (keyword k, double v) 337 void put (keyword k, double v)
210 { 338 {
211 char buf [128]; 339 force (MAX_KEYWORD_LEN + 2 + 32);
212 340 fadd (keyword_str [k], keyword_len [k]);
213 snprintf (buf, 128, "%.7g", v); 341 fadd (' ');
214 342 falloc (sprintf (ptr, "%.7g", v));
215 put (k, (const char *)buf); 343 fadd ('\n');
216 } 344 }
217 345
218 void put_(keyword k, sint64 v) 346 void put_(keyword k, sint64 v)
219 { 347 {
348 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
220 add (keyword_str [k], keyword_len [k]); 349 fadd (keyword_str [k], keyword_len [k]);
221 add (' '); 350 fadd (' ');
222 add (v); 351 add (v);
223 add ('\n'); 352 fadd ('\n');
224 } 353 }
225 354
226 void put_(keyword k, sint32 v) 355 void put_(keyword k, sint32 v)
227 { 356 {
357 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
228 add (keyword_str [k], keyword_len [k]); 358 fadd (keyword_str [k], keyword_len [k]);
229 add (' '); 359 fadd (' ');
230 add (v); 360 add (v);
231 add ('\n'); 361 fadd ('\n');
232 }
233
234 void put (keyword kbeg, keyword kend, const shstr &v)
235 {
236 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
237
238 if (v)
239 {
240 add (v);
241 add ('\n');
242 }
243
244 add (keyword_str [kend], keyword_len [kend]); add ('\n');
245 } 362 }
246 363
247 void put (keyword k, float v) { put (k, (double)v); } 364 void put (keyword k, float v) { put (k, (double)v); }
248 void put (keyword k, signed char v) { put_(k, (sint32)v); } 365 void put (keyword k, signed char v) { put_(k, (sint32)v); }
249 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 366 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
254 void put (keyword k, signed long v) { put_(k, (sint64)v); } 371 void put (keyword k, signed long v) { put_(k, (sint64)v); }
255 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 372 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
256 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); }
257 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); }
258 375
259 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);
260 void put (keyword k, const T *v) 393 void put (keyword k, faceinfo *v);
261 {
262 if (v)
263 put (k, v->name);
264 else
265 put (k, (const char *)0);
266 }
267 394
268 template<typename T> 395 template<typename T>
269 void put (keyword k, const refptr<T> &v) 396 void put (keyword k, const refptr<T> &v)
270 { 397 {
271 put (k, (T *)v); 398 put (k, (T *)v);
272 } 399 }
273 400
274 bool save (const char *filename); 401 MTH bool save (const_octet_string path);
275 char *as_string (); // like strdup 402 char *as_string (); // like strdup
276 403
277 operator bool () { return !!av; } 404 operator bool () { return !!av; }
278}; 405};
279 406
280// compatibility support, should be removed when no longer needed 407INTERFACE_CLASS(object_thawer)
281int fprintf (object_freezer &freezer, const char *format, ...);
282int fputs (const char *s, object_freezer &freezer);
283
284struct object_thawer 408struct object_thawer
285{ 409{
410 char *line; // current beginning of line
286 SV *text; // text part 411 SV *text; // text part
287 AV *av; // perl part 412 AV *av; // perl part
288 char *line; // current beginning of line 413 int linenum;
289 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;
290 419
291 operator bool () { return !!text; } 420 operator bool () const { return !!text; }
292 421
293 object_thawer (const char *filename = 0); 422 object_thawer (const char *path = 0);
294 object_thawer (const char *data, AV *perlav); 423 object_thawer (const char *data, AV *perlav);
295 ~object_thawer (); 424 ~object_thawer ();
296 425
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) 426 void get (attachable *obj, int oid);
301 {
302 if (av)
303 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
304 }
305 427
306 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
307 434
308 const char *get_str () { return last_value; } // may be 0 435 char *get_str () { return value; } // may be 0
309
310 void get (shstr &sh) const;
311 void get_ornull (shstr &sh) const { sh = last_value; }
312 void get_ml (keyword kend, shstr &sh); 436 void get_ml (keyword kend, shstr &sh);
313 437
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'; }
314 sint32 get_sint32 () const; 442 sint32 get_sint32 () const;
315 sint64 get_sint64 () const; 443 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
316 double get_double () const; 444 double get_double () const { return strtod (value_nn, 0); }
317 445
318 void get (float &v) { v = get_double (); } 446 void get (float &v) { v = get_double (); }
319 void get (double &v) { v = get_double (); } 447 void get (double &v) { v = get_double (); }
320 448
449 void get (bool &i) { i = get_bool (); }
321 void get (sint8 &i) { i = get_sint32 (); } 450 void get (sint8 &i) { i = get_sint32 (); }
322 void get (uint8 &i) { i = get_sint32 (); } 451 void get (uint8 &i) { i = get_sint32 (); }
323 void get (sint16 &i) { i = get_sint32 (); } 452 void get (sint16 &i) { i = get_sint32 (); }
324 void get (uint16 &i) { i = get_sint32 (); } 453 void get (uint16 &i) { i = get_sint32 (); }
325 void get (sint32 &i) { i = get_sint32 (); } 454 void get (sint32 &i) { i = get_sint32 (); }
326 455
327 void get (uint32 &i) { i = get_sint64 (); } 456 void get (uint32 &i) { i = get_sint64 (); }
328 void get (sint64 &i) { i = get_sint64 (); } 457 void get (sint64 &i) { i = get_sint64 (); }
329};
330 458
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
331char *fgets (char *s, int n, object_thawer &thawer); 474char *fgets (char *s, int n, object_thawer &thawer);
332 475
333struct 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
334{ 503{
335 static struct EventAPI *GEventAPI; 504 static struct EVAPI *GEVAPI;
336}; 505};
337 506
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)> 507struct iow : ev_io, evapi, callback<void (iow &, int)>
361{ 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
362 template<class O, class M> 516 template<class O, class M>
363 iow (O object, M method) 517 iow (O object, M method)
364 : callback<void (iow &, int)> (object, method) 518 : callback<void (iow &, int)> (object, method)
365 { 519 {
366 alloc (); 520 ev_init ((ev_io *)this, thunk);
367 } 521 }
368 522
369 iow &fd (int fd); 523 void prio (int prio)
370 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
371 iow &poll (int events); 535 void poll (int events);
372 536
373private: 537 void start ()
374 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 }
375}; 583};
376 584
377#endif 585#endif
378 586

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