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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.107 by root, Mon Oct 12 04:02:17 2009 UTC vs.
Revision 1.122 by root, Thu Apr 15 04:02:38 2010 UTC

1/* 1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010 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 * 5 *
8 * Deliantra is free software: you can redistribute it and/or modify 6 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 7 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation, either version 3 of the License, or 8 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 9 * option) any later version.
12 * 10 *
13 * This program is distributed in the hope that it will be useful, 11 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 14 * GNU General Public License for more details.
17 * 15 *
18 * You should have received a copy of the GNU General Public License 16 * You should have received a copy of the Affero GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 * and the GNU General Public License along with this program. If not, see
18 * <http://www.gnu.org/licenses/>.
20 * 19 *
21 * The authors can be reached via e-mail to <support@deliantra.net> 20 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 21 */
23 22
24// 23//
25// cfperl.h perl interface 24// cfperl.h perl interface
26// 25//
27#ifndef CFPERL_H__ 26#ifndef CFPERL_H__
28#define CFPERL_H__ 27#define CFPERL_H__
29
30#include <cstdarg>
31#include <cstdio>
32#include <bitset>
33 28
34using namespace std; 29using namespace std;
35 30
36#include <EXTERN.h> 31#include <EXTERN.h>
37#include <perl.h> 32#include <perl.h>
… …
86 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV)); 81 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
87 82
88inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); } 83inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); }
89inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); } 84inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); }
90 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
91#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) 89#define CALL_BEGIN(args) dSP; CALL_PUSH; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
92#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc 90#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
93#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 91#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
94#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN; 92#define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN;
95#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE 93#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE; CALL_POP
96 94
97////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 95//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
98 96
99void cfperl_init (); 97void cfperl_init ();
100void cfperl_main (); 98void cfperl_main ();
101void cfperl_tick (); 99void cfperl_tick ();
102void cfperl_emergency_save (); 100void cfperl_emergency_save ();
103void cfperl_cleanup (int make_core); 101void cfperl_cleanup (int make_core);
104void cfperl_make_book (object *book, int level); 102void cfperl_make_book (object *book, int level);
105void cfperl_send_msg (client *ns, int color, const char *type, const char *msg); 103void cfperl_send_msg (client *ns, int color, const_utf8_string type, const_utf8_string msg);
106int cfperl_can_merge (object *ob1, object *ob2); 104int cfperl_can_merge (object *ob1, object *ob2);
107void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0); 105void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0);
108 106
109bool is_match_expr (const char *expr); 107bool is_match_expr (const_utf8_string expr);
110/* applies the match expression and returns true if it matches */ 108// applies the match expression and returns true if it matches
111bool match (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0); 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);
112 112
113////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 113//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
114 114
115#if IVSIZE >= 8 115#if IVSIZE >= 8
116 typedef IV val64; 116 typedef IV val64;
… …
195 195
196 enum { 196 enum {
197 F_DESTROYED = 0x01, 197 F_DESTROYED = 0x01,
198 F_DEBUG_TRACE = 0x02, 198 F_DEBUG_TRACE = 0x02,
199 }; 199 };
200 uint8 ACC (RW, flags); 200 uint8 ACC (RW, attachable_flags);
201 201
202 static unordered_vector<attachable *> mortals; 202 static unordered_vector<attachable *> mortals;
203 MTH static void check_mortals (); 203 MTH static void check_mortals ();
204 204
205 // object is delete'd after the refcount reaches 0 205 // object is delete'd after the refcount reaches 0
… …
211 // this politely asks everybody interested the reduce 211 // this politely asks everybody interested the reduce
212 // the refcount to 0 as soon as possible. 212 // the refcount to 0 as soon as possible.
213 MTH void destroy (); 213 MTH void destroy ();
214 214
215 // return wether an object was destroyed already 215 // return wether an object was destroyed already
216 MTH bool destroyed () const { return flags & F_DESTROYED; } 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 ();
217 220
218 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 221 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
219 222
220#if 0 223#if 0
221private: 224private:
… …
229 232
230 void sever_self (); // sever this object from its self, if it has one. 233 void sever_self (); // sever this object from its self, if it has one.
231 void optimise (); // possibly save some memory by destroying unneeded data 234 void optimise (); // possibly save some memory by destroying unneeded data
232 235
233 attachable () 236 attachable ()
234 : flags (0), self (0), cb (0), attach (0) 237 : attachable_flags (0), self (0), cb (0), attach (0)
235 { 238 {
236 } 239 }
237 240
238 attachable (const attachable &src) 241 attachable (const attachable &src)
239 : flags (0), self (0), cb (0), attach (src.attach) 242 : attachable_flags (0), self (0), cb (0), attach (src.attach)
240 { 243 {
241 } 244 }
242 245
243 // set a custom key to the given value, or delete it if value = 0 246 // set a custom key to the given value, or delete it if value = 0
244 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0); 247 void set_key (const_utf8_string key, const_utf8_string value = 0, bool is_utf8 = 0);
245 248
246 void set_key_text (const char *key, const char *value = 0) 249 void set_key_text (const_utf8_string key, const_utf8_string value = 0)
247 { 250 {
248 set_key (key, value, 1); 251 set_key (key, value, 1);
249 } 252 }
250 253
251 void set_key_data (const char *key, const char *value = 0) 254 void set_key_data (const_utf8_string key, const_utf8_string value = 0)
252 { 255 {
253 set_key (key, value, 0); 256 set_key (key, value, 0);
254 } 257 }
255 258
256 attachable &operator =(const attachable &src); 259 attachable &operator =(const attachable &src);
257 260
258 // used to _quickly_ device wether to shortcut the evaluation 261 // used to _quickly_ decide wether to shortcut the evaluation
259 bool should_invoke (event_type event) 262 bool should_invoke (event_type event)
260 { 263 {
261 return ev_want_event [event] || cb; 264 return ev_want_event [event] || cb;
262 } 265 }
263 266
… …
285 288
286extern struct global gbl_ev; 289extern struct global gbl_ev;
287 290
288////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 291//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
289 292
290INTERFACE_CLASS(object_freezer) 293#include "freezethaw.h"
291struct object_freezer : dynbuf_text
292{
293 AV *av;
294
295 object_freezer ();
296 ~object_freezer ();
297
298 void put (attachable *ext);
299
300 // used only for user-defined key-value pairs
301 void put (shstr_tmp k, shstr_tmp v)
302 {
303 add (k);
304
305 if (expect_true (v))
306 add (' '), add (v);
307
308 add ('\n');
309 }
310
311 template<typename T>
312 void put_kw_string (keyword k, const T &v)
313 {
314 int klen = keyword_len [k];
315 int vlen = v ? strlen (v) + 1 : 0;
316
317 char *p = (char *)alloc (klen + vlen + 1);
318
319 memcpy (p, keyword_str [k], klen); p += klen;
320
321 if (expect_true (v))
322 {
323 *p++ = ' '; vlen--;
324 memcpy (p, v, vlen); p += vlen;
325 }
326
327 *p = '\n';
328 }
329
330 void put (keyword k, const char *v = 0)
331 {
332 put_kw_string (k, v);
333 }
334
335 void put (keyword k, shstr_tmp v)
336 {
337 put_kw_string (k, v);
338 }
339
340 void put (keyword k, double v)
341 {
342 force (MAX_KEYWORD_LEN + 2 + 32);
343 fadd (keyword_str [k], keyword_len [k]);
344 fadd (' ');
345 falloc (sprintf (ptr, "%.7g", v));
346 fadd ('\n');
347 }
348
349 void put_(keyword k, sint64 v)
350 {
351 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
352 fadd (keyword_str [k], keyword_len [k]);
353 fadd (' ');
354 add (v);
355 fadd ('\n');
356 }
357
358 void put_(keyword k, sint32 v)
359 {
360 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
361 fadd (keyword_str [k], keyword_len [k]);
362 fadd (' ');
363 add (v);
364 fadd ('\n');
365 }
366
367 void put (keyword k, float v) { put (k, (double)v); }
368 void put (keyword k, signed char v) { put_(k, (sint32)v); }
369 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
370 void put (keyword k, signed short v) { put_(k, (sint32)v); }
371 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
372 void put (keyword k, signed int v) { put_(k, (sint32)v); }
373 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
374 void put (keyword k, signed long v) { put_(k, (sint64)v); }
375 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
376 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
377 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
378
379 void put (keyword kbeg, keyword kend, shstr_tmp v)
380 {
381 force (MAX_KEYWORD_LEN + 1);
382 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
383
384 if (expect_true (v))
385 {
386 add (v);
387 add ('\n');
388 }
389
390 force (MAX_KEYWORD_LEN + 1);
391 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
392 }
393
394 void put (keyword k, archetype *v);
395 void put (keyword k, treasurelist *v);
396 void put (keyword k, faceinfo *v);
397
398 template<typename T>
399 void put (keyword k, const refptr<T> &v)
400 {
401 put (k, (T *)v);
402 }
403
404 MTH bool save (const_octet_string path);
405 char *as_string (); // like strdup
406
407 operator bool () { return !!av; }
408};
409
410INTERFACE_CLASS(object_thawer)
411struct object_thawer
412{
413 char *line; // current beginning of line
414 SV *text; // text part
415 AV *av; // perl part
416 int linenum;
417 keyword kw;
418 char *kw_str; // the keyword parsed, as string
419 char *value; // the value, or 0 if no value
420 const char *value_nn; // the value, or the empty string if no value
421 const char *name;
422
423 operator bool () const { return !!text; }
424
425 object_thawer (const char *path = 0);
426 object_thawer (const char *data, AV *perlav);
427 ~object_thawer ();
428
429 void get (attachable *obj, int oid);
430
431 // parse next line
432 MTH void next ();
433 // skip the current key-value (usually fetch next line, for
434 // multiline-fields, skips till the corresponding end-kw
435 MTH void skip ();
436 MTH void skip_block (); // skips till and over KW_end
437
438 char *get_str () { return value; } // may be 0
439 void get_ml (keyword kend, shstr &sh);
440
441 void get_ornull (shstr &sh) const { sh = value; }
442 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
443
444 bool get_bool () const { return *value_nn == '1'; }
445 sint32 get_sint32 () const;
446 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
447 double get_double () const { return strtod (value_nn, 0); }
448
449 void get (float &v) { v = get_double (); }
450 void get (double &v) { v = get_double (); }
451
452 void get (bool &i) { i = get_bool (); }
453 void get (sint8 &i) { i = get_sint32 (); }
454 void get (uint8 &i) { i = get_sint32 (); }
455 void get (sint16 &i) { i = get_sint32 (); }
456 void get (uint16 &i) { i = get_sint32 (); }
457 void get (sint32 &i) { i = get_sint32 (); }
458
459 void get (uint32 &i) { i = get_sint64 (); }
460 void get (sint64 &i) { i = get_sint64 (); }
461
462 MTH void parse_warn (const char *msg);
463 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
464
465 struct delayed_ref {
466 attachable *op;
467 object_ptr *ptr;
468 const char *ref;
469 };
470 std::vector<delayed_ref> delrefs;
471
472 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
473 MTH void resolve_delayed_derefs (bool deref = true);
474};
475
476//TODO: remove
477char *fgets (char *s, int n, object_thawer &thawer);
478 294
479////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 295//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
480 296
481struct coroapi { 297struct coroapi {
482 static struct CoroAPI *GCoroAPI; 298 static struct CoroAPI *GCoroAPI;

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