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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.42 by root, Sat Dec 30 10:16:10 2006 UTC vs.
Revision 1.108 by root, Mon Oct 12 14:00:58 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 it under
9 * the terms of the Affero GNU General Public License as published by the
10 * Free Software Foundation, either version 3 of the License, or (at your
11 * 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 Affero GNU General Public License
19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
21 *
22 * The authors can be reached via e-mail to <support@deliantra.net>
23 */
24
1// 25//
2// cfperl.h perl interface 26// cfperl.h perl interface
3// 27//
4#ifndef CFPERL_H__ 28#ifndef CFPERL_H__
5#define CFPERL_H__ 29#define CFPERL_H__
6 30
31#include <cstdarg>
7#include <cstdio> 32#include <cstdio>
33#include <bitset>
8 34
9using namespace std; 35using namespace std;
10 36
11#include <EXTERN.h> 37#include <EXTERN.h>
12#include <perl.h> 38#include <perl.h>
13#include <XSUB.h> 39#include <XSUB.h>
14 40
15#include <EventAPI.h> 41#include <EVAPI.h>
16#include <CoroAPI.h> 42#include <CoroAPI.h>
17 43
18#include "util.h" 44#include "util.h"
19#include "keyword.h" 45#include "keyword.h"
20#include "dynbuf.h" 46#include "dynbuf.h"
25// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 51// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
26#undef localtime 52#undef localtime
27#undef srand48 53#undef srand48
28#undef drand48 54#undef drand48
29#undef srandom 55#undef srandom
56#undef opendir
30#undef readdir 57#undef readdir
58#undef closedir
31#undef getprotobyname 59#undef getprotobyname
32#undef gethostbyname 60#undef gethostbyname
33#undef ctime 61#undef ctime
34#undef strerror 62#undef strerror
63#undef _
35 64
36// same here, massive symbol spamming 65// same here, massive symbol spamming
37#undef do_open 66#undef do_open
38#undef do_close 67#undef do_close
39#undef ref 68#undef ref
69#undef seed
40 70
41// perl bug #40256: perl does overwrite those with reentrant versions 71// perl bug #40256: perl does overwrite those with reentrant versions
42// but does not initialise their state structures. 72// but does not initialise their state structures.
43#undef random 73#undef random
44#undef crypt 74#undef crypt
45 75
46////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 76//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
47 77
78#define _(msg) (msg)
79#define N_(msg) (msg)
80
81//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
82
48// some macros to simplify perl in-calls 83// some macros to simplify perl in-calls
49 84
50// FUNCTION is, afaik, a gnu extension
51#define CHECK_ERROR \ 85#define CHECK_ERROR \
52 if (SvTRUE (ERRSV)) \ 86 if (SvTRUE (ERRSV)) \
53 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 87 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
88
89inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); }
90inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); }
54 91
55#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 92#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
56#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc 93#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
57#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 94#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
58#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN; 95#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN;
59#define CALL_END CHECK_ERROR; FREETMPS; LEAVE 96#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE
60 97
61////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 98//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62 99
63void cfperl_init (); 100void cfperl_init ();
64void cfperl_main (); 101void cfperl_main ();
102void cfperl_tick ();
103void cfperl_emergency_save ();
104void cfperl_cleanup (int make_core);
105void cfperl_make_book (object *book, int level);
106void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
107int cfperl_can_merge (object *ob1, object *ob2);
108void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
65 109
66////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 110bool is_match_expr (const char *expr);
111/* applies the match expression and returns true if it matches */
112bool match (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0);
67 113
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
68// virtual server time, excluding time jumps and lag 132extern tstamp runtime; // virtual server time, excluding time jumps and lag
69extern double runtime; 133extern tstamp NOW; // real time of current server tick
70 134
71enum event_klass 135enum event_klass
72{ 136{
73 KLASS_NONE, 137 KLASS_NONE,
74 KLASS_GLOBAL, 138 KLASS_GLOBAL,
85# define def(klass,name) EVENT_ ## klass ## _ ## name, 149# define def(klass,name) EVENT_ ## klass ## _ ## name,
86# include "eventinc.h" 150# include "eventinc.h"
87# undef def 151# undef def
88 NUM_EVENT_TYPES 152 NUM_EVENT_TYPES
89}; 153};
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;
90 158
91#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 159#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
92#define ARG_INT(v) DT_INT , static_cast<int> (v) 160#define ARG_INT(v) DT_INT , static_cast<int> (v)
93#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 161#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
94#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 162#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
101#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 169#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
102#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 170#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
103#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 171#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
104 172
105// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 173// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
106 174#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
107// all these return true when the normal event processing should be skipped (if any)
108#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) 175#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
109#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) 176#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
110#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) 177#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
111#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) 178#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
112#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) 179#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
113#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) 180#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
114 181
115//TODO should index into @result 182//TODO should index into @result
116#define RESULT(idx,type) cfperl_result_ ## type (idx) 183#define RESULT(idx,type) cfperl_result_ ## type (idx)
117#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 184#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
118#define RESULT_INT(idx) RESULT(idx, INT) 185#define RESULT_INT(idx) RESULT(idx, INT)
120double cfperl_result_DOUBLE (int idx); 187double cfperl_result_DOUBLE (int idx);
121int cfperl_result_INT (int idx); 188int cfperl_result_INT (int idx);
122 189
123////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 190//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
124 191
125struct attachable 192INTERFACE_CLASS (attachable)
193struct attachable : refcnt_base
126{ 194{
127 static MGVTBL vtbl; 195 static MGVTBL vtbl;
128 196
197 enum {
198 F_DESTROYED = 0x01,
199 F_DEBUG_TRACE = 0x02,
200 };
201 uint8 ACC (RW, flags);
202
129 static unordered_vector<attachable *> mortals; 203 static unordered_vector<attachable *> mortals;
130 static void check_mortals (); 204 MTH static void check_mortals ();
131
132 enum {
133 F_DESTROYED = 0x01,
134 F_BORROWED = 0x02,
135 };
136 205
137 // object is delete'd after the refcount reaches 0 206 // object is delete'd after the refcount reaches 0
138 mutable int refcnt; 207 MTH int refcnt_cnt () const;
139 int flags;
140
141 void refcnt_inc () const { ++refcnt; }
142 void refcnt_dec () const { --refcnt; }
143
144 // check wether the object has died and destroy 208 // check wether the object has died and destroy
145 void refcnt_chk () { if (refcnt <= 0) do_check (); } 209 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
146 210
147 // destroy the object unless it was already destroyed 211 // destroy the object unless it was already destroyed
148 // this politely asks everybody interested the reduce 212 // this politely asks everybody interested the reduce
149 // the refcount to 0 as soon as possible. 213 // the refcount to 0 as soon as possible.
150 void destroy (); 214 MTH void destroy ();
151 215
152 // return wether an object was destroyed already 216 // return wether an object was destroyed already
153 bool destroyed () const { return flags & F_DESTROYED; } 217 MTH bool destroyed () const { return flags & F_DESTROYED; }
154 218
155 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 219 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
156 220
157#if 0 221#if 0
158private: 222private:
162 226
163 HV *self; // CF+ perl self 227 HV *self; // CF+ perl self
164 AV *cb; // CF+ callbacks 228 AV *cb; // CF+ callbacks
165 shstr attach; // generic extension attachment information 229 shstr attach; // generic extension attachment information
166 230
231 void sever_self (); // sever this object from its self, if it has one.
167 void optimise (); // possibly save some memory by destroying unneeded data 232 void optimise (); // possibly save some memory by destroying unneeded data
168 233
169 attachable () 234 attachable ()
170 : flags (0), refcnt (0), self (0), cb (0), attach (0) 235 : flags (0), self (0), cb (0), attach (0)
171 { 236 {
172 } 237 }
173 238
174 attachable (const attachable &src) 239 attachable (const attachable &src)
175 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 240 : flags (0), self (0), cb (0), attach (src.attach)
176 { 241 {
177 } 242 }
178 243
179 virtual ~attachable (); 244 // set a custom key to the given value, or delete it if value = 0
245 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
246
247 void set_key_text (const char *key, const char *value = 0)
248 {
249 set_key (key, value, 1);
250 }
251
252 void set_key_data (const char *key, const char *value = 0)
253 {
254 set_key (key, value, 0);
255 }
180 256
181 attachable &operator =(const attachable &src); 257 attachable &operator =(const attachable &src);
182 258
259 // used to _quickly_ device wether to shortcut the evaluation
260 bool should_invoke (event_type event)
261 {
262 return ev_want_event [event] || cb;
263 }
264
183 bool invoke (event_type event, ...); 265 bool invoke (event_type event, ...);
266
184 void instantiate (); 267 MTH void instantiate ();
185 void reattach (); 268 void reattach ();
186 269
187protected: 270protected:
188 // do the real refcount checking work 271 // do the real refcount checking work
189 void do_check (); 272 void do_check ();
190 273
191 // the method that does the real destroy work 274 // the method that does the real destroy work
192 virtual void do_destroy (); 275 virtual void do_destroy ();
276
277 // destructor is protected, should not be called by anybody
278 virtual ~attachable ();
193}; 279};
194 280
195// the global object is a pseudo object that cares for the global events 281// the global object is a pseudo object that cares for the global events
196struct global : attachable 282struct global : attachable
197{ 283{
200 286
201extern struct global gbl_ev; 287extern struct global gbl_ev;
202 288
203////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 289//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
204 290
291INTERFACE_CLASS(object_freezer)
205struct object_freezer : dynbuf 292struct object_freezer : dynbuf_text
206{ 293{
207 AV *av; 294 AV *av;
208 295
209 object_freezer (); 296 object_freezer ();
210 ~object_freezer (); 297 ~object_freezer ();
211 298
212 void put (attachable *ext); 299 void put (attachable *ext);
213 300
214 // used only for user-defined key-value pairs 301 // used only for user-defined key-value pairs
215 void put (const shstr &k, const shstr &v) 302 void put (shstr_tmp k, shstr_tmp v)
216 { 303 {
217 add (k); 304 add (k);
218 305
219 if (v) 306 if (expect_true (v))
220 add (' '), add (v); 307 add (' '), add (v);
221 308
222 add ('\n'); 309 add ('\n');
223 } 310 }
224 311
225 //TODO//temporary, used only for saving body locations
226 void put (const char *k, int v)
227 {
228 add (k);
229 add (' ');
230 add (sint32 (v));
231 add ('\n');
232 }
233
234 template<typename T> 312 template<typename T>
235 void put_string (keyword k, const T &v) 313 void put_kw_string (keyword k, const T &v)
236 { 314 {
237 int klen = keyword_len [k]; 315 int klen = keyword_len [k];
238 int vlen = v ? strlen (v) + 1 : 0; 316 int vlen = v ? strlen (v) + 1 : 0;
239 317
240 char *p = (char *)alloc (klen + vlen + 1); 318 char *p = (char *)alloc (klen + vlen + 1);
241 319
242 memcpy (p, keyword_str [k], klen); p += klen; 320 memcpy (p, keyword_str [k], klen); p += klen;
243 321
244 if (v) 322 if (expect_true (v))
245 { 323 {
246 *p++ = ' '; vlen--; 324 *p++ = ' '; vlen--;
247 memcpy (p, v, vlen); p += vlen; 325 memcpy (p, v, vlen); p += vlen;
248 } 326 }
249 327
250 *p = '\n'; 328 *p = '\n';
251 } 329 }
252 330
253 void put (keyword k, const char *v) 331 void put (keyword k, const char *v = 0)
254 { 332 {
255 put_string (k, v); 333 put_kw_string (k, v);
256 } 334 }
257 335
258 void put (keyword k, const shstr &v) 336 void put (keyword k, shstr_tmp v)
259 { 337 {
260 put_string (k, v); 338 put_kw_string (k, v);
261 } 339 }
262 340
263 void put (keyword k, double v) 341 void put (keyword k, double v)
264 { 342 {
265 char buf [128]; 343 force (MAX_KEYWORD_LEN + 2 + 32);
266 344 fadd (keyword_str [k], keyword_len [k]);
267 snprintf (buf, 128, "%.7g", v); 345 fadd (' ');
268 346 falloc (sprintf (ptr, "%.7g", v));
269 put (k, (const char *)buf); 347 fadd ('\n');
270 } 348 }
271 349
272 void put_(keyword k, sint64 v) 350 void put_(keyword k, sint64 v)
273 { 351 {
352 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
274 add (keyword_str [k], keyword_len [k]); 353 fadd (keyword_str [k], keyword_len [k]);
275 add (' '); 354 fadd (' ');
276 add (v); 355 add (v);
277 add ('\n'); 356 fadd ('\n');
278 } 357 }
279 358
280 void put_(keyword k, sint32 v) 359 void put_(keyword k, sint32 v)
281 { 360 {
361 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
282 add (keyword_str [k], keyword_len [k]); 362 fadd (keyword_str [k], keyword_len [k]);
283 add (' '); 363 fadd (' ');
284 add (v); 364 add (v);
285 add ('\n'); 365 fadd ('\n');
286 }
287
288 void put (keyword kbeg, keyword kend, const shstr &v)
289 {
290 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
291
292 if (v)
293 {
294 add (v);
295 add ('\n');
296 }
297
298 add (keyword_str [kend], keyword_len [kend]); add ('\n');
299 } 366 }
300 367
301 void put (keyword k, float v) { put (k, (double)v); } 368 void put (keyword k, float v) { put (k, (double)v); }
302 void put (keyword k, signed char v) { put_(k, (sint32)v); } 369 void put (keyword k, signed char v) { put_(k, (sint32)v); }
303 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 370 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
308 void put (keyword k, signed long v) { put_(k, (sint64)v); } 375 void put (keyword k, signed long v) { put_(k, (sint64)v); }
309 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 376 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
310 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 377 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
311 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 378 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
312 379
313 template<typename T> 380 void put (keyword kbeg, keyword kend, shstr_tmp v)
381 {
382 force (MAX_KEYWORD_LEN + 1);
383 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
384
385 if (expect_true (v))
386 {
387 add (v);
388 add ('\n');
389 }
390
391 force (MAX_KEYWORD_LEN + 1);
392 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
393 }
394
395 void put (keyword k, archetype *v);
396 void put (keyword k, treasurelist *v);
314 void put (keyword k, const T *v) 397 void put (keyword k, faceinfo *v);
315 {
316 if (v)
317 put (k, v->name);
318 else
319 put (k, (const char *)0);
320 }
321 398
322 template<typename T> 399 template<typename T>
323 void put (keyword k, const refptr<T> &v) 400 void put (keyword k, const refptr<T> &v)
324 { 401 {
325 put (k, (T *)v); 402 put (k, (T *)v);
326 } 403 }
327 404
328 bool save (const char *filename); 405 MTH bool save (const_octet_string path);
329 char *as_string (); // like strdup 406 char *as_string (); // like strdup
330 407
331 operator bool () { return !!av; } 408 operator bool () { return !!av; }
332}; 409};
333 410
334// compatibility support, should be removed when no longer needed 411INTERFACE_CLASS(object_thawer)
335int fprintf (object_freezer &freezer, const char *format, ...);
336int fputs (const char *s, object_freezer &freezer);
337
338struct object_thawer 412struct object_thawer
339{ 413{
414 char *line; // current beginning of line
340 SV *text; // text part 415 SV *text; // text part
341 AV *av; // perl part 416 AV *av; // perl part
342 char *line; // current beginning of line 417 int linenum;
343 char *last_keyword, *last_value; 418 keyword kw;
419 char *kw_str; // the keyword parsed, as string
420 char *value; // the value, or 0 if no value
421 const char *value_nn; // the value, or the empty string if no value
422 const char *name;
344 423
345 operator bool () { return !!text; } 424 operator bool () const { return !!text; }
346 425
347 object_thawer (const char *filename = 0); 426 object_thawer (const char *path = 0);
348 object_thawer (const char *data, AV *perlav); 427 object_thawer (const char *data, AV *perlav);
349 ~object_thawer (); 428 ~object_thawer ();
350 429
351 void get (attachable *obj, int oid); 430 void get (attachable *obj, int oid);
352 431
353 keyword get_kv (); // also parse value for later use 432 // parse next line
354 void skip_kv (keyword kw); 433 MTH void next ();
434 // skip the current key-value (usually fetch next line, for
435 // multiline-fields, skips till the corresponding end-kw
436 MTH void skip ();
437 MTH void skip_block (); // skips till and over KW_end
355 438
356 const char *get_str () { return last_value; } // may be 0 439 char *get_str () { return value; } // may be 0
357
358 void get (shstr &sh) const;
359 void get_ornull (shstr &sh) const { sh = last_value; }
360 void get_ml (keyword kend, shstr &sh); 440 void get_ml (keyword kend, shstr &sh);
361 441
442 void get_ornull (shstr &sh) const { sh = value; }
443 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
444
445 bool get_bool () const { return *value_nn == '1'; }
362 sint32 get_sint32 () const; 446 sint32 get_sint32 () const;
363 sint64 get_sint64 () const; 447 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
364 double get_double () const; 448 double get_double () const { return strtod (value_nn, 0); }
365 449
366 void get (float &v) { v = get_double (); } 450 void get (float &v) { v = get_double (); }
367 void get (double &v) { v = get_double (); } 451 void get (double &v) { v = get_double (); }
368 452
369 void get (bool &i) { i = get_sint32 (); } 453 void get (bool &i) { i = get_bool (); }
370 void get (sint8 &i) { i = get_sint32 (); } 454 void get (sint8 &i) { i = get_sint32 (); }
371 void get (uint8 &i) { i = get_sint32 (); } 455 void get (uint8 &i) { i = get_sint32 (); }
372 void get (sint16 &i) { i = get_sint32 (); } 456 void get (sint16 &i) { i = get_sint32 (); }
373 void get (uint16 &i) { i = get_sint32 (); } 457 void get (uint16 &i) { i = get_sint32 (); }
374 void get (sint32 &i) { i = get_sint32 (); } 458 void get (sint32 &i) { i = get_sint32 (); }
375 459
376 void get (uint32 &i) { i = get_sint64 (); } 460 void get (uint32 &i) { i = get_sint64 (); }
377 void get (sint64 &i) { i = get_sint64 (); } 461 void get (sint64 &i) { i = get_sint64 (); }
378};
379 462
463 MTH void parse_warn (const char *msg);
464 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
465
466 struct delayed_ref {
467 attachable *op;
468 object_ptr *ptr;
469 const char *ref;
470 };
471 std::vector<delayed_ref> delrefs;
472
473 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
474 MTH void resolve_delayed_derefs (bool deref = true);
475};
476
477//TODO: remove
380char *fgets (char *s, int n, object_thawer &thawer); 478char *fgets (char *s, int n, object_thawer &thawer);
381 479
382////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 480//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
383 481
384struct coroapi { 482struct coroapi {
385 static struct CoroAPI *GCoroAPI; 483 static struct CoroAPI *GCoroAPI;
386 484
485 static EV_ATOMIC_T cede_pending;
486
387 static int nready () { return CORO_NREADY; } 487 static int nready () { return CORO_NREADY; }
388 static int cede () { return CORO_CEDE ; } 488 static int cede () { cede_pending = 0; return CORO_CEDE ; }
389};
390 489
391struct watcher_base 490 static void do_cede_to_tick ();
491
492 // actually cede's far more often
493 static bool cede_to_tick ()
494 {
495 if (expect_true (!cede_pending))
496 return false;
497
498 do_cede_to_tick ();
499 return true;
500 }
501
502 static void wait_for_tick ();
503 static void wait_for_tick_begin ();
504};
505
506struct evapi
392{ 507{
393 static struct EventAPI *GEventAPI; 508 static struct EVAPI *GEVAPI;
394}; 509};
395 510
396template<class base>
397struct watcher : watcher_base
398{
399 base *pe;
400
401 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
402 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
403 void now () { GEventAPI->now ((pe_watcher *)pe); }
404 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
405 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
406
407 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
408
409 ~watcher ()
410 {
411 cancel ();
412 }
413
414private:
415 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
416};
417
418struct iw : watcher<pe_idle>, callback<void (iw &)>
419{
420 template<class O, class M>
421 iw (O object, M method)
422 : callback<void (iw &)> (object, method)
423 {
424 alloc ();
425 }
426
427private:
428 void alloc ();
429};
430
431struct iow : watcher<pe_io>, callback<void (iow &, int)> 511struct iow : ev_io, evapi, callback<void (iow &, int)>
432{ 512{
513 static void thunk (EV_P_ struct ev_io *w_, int revents)
514 {
515 iow &w = *static_cast<iow *>(w_);
516
517 w (w, revents);
518 }
519
433 template<class O, class M> 520 template<class O, class M>
434 iow (O object, M method) 521 iow (O object, M method)
435 : callback<void (iow &, int)> (object, method) 522 : callback<void (iow &, int)> (object, method)
436 { 523 {
437 alloc (); 524 ev_init ((ev_io *)this, thunk);
438 } 525 }
439 526
440 void fd (int fd); 527 void prio (int prio)
441 int poll (); 528 {
529 ev_set_priority ((ev_io *)this, prio);
530 }
531
532 void set (int fd, int events)
533 {
534 ev_io_set ((ev_io *)this, fd, events);
535 }
536
537 int poll () const { return events; }
538
442 void poll (int events); 539 void poll (int events);
443 540
444private: 541 void start ()
445 void alloc (); 542 {
543 ev_io_start (EV_DEFAULT, (ev_io *)this);
544 }
545
546 void stop ()
547 {
548 ev_io_stop (EV_DEFAULT, (ev_io *)this);
549 }
550
551 ~iow ()
552 {
553 stop ();
554 }
555};
556
557struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
558{
559 static void thunk (EV_P_ struct ev_async *w_, int revents)
560 {
561 asyncw &w = *static_cast<asyncw *>(w_);
562
563 w (w, revents);
564 }
565
566 template<class O, class M>
567 asyncw (O object, M method)
568 : callback<void (asyncw &, int)> (object, method)
569 {
570 ev_init ((ev_async *)this, thunk);
571 }
572
573 void start ()
574 {
575 ev_async_start (EV_DEFAULT, (ev_async *)this);
576 }
577
578 void stop ()
579 {
580 ev_async_stop (EV_DEFAULT, (ev_async *)this);
581 }
582
583 ~asyncw ()
584 {
585 stop ();
586 }
446}; 587};
447 588
448#endif 589#endif
449 590

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