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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.109 by root, Tue Nov 3 23:44:20 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 (©) 2005,2006,2007,2008,2009 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 * 5 *
6 * Deliantra is free software: you can redistribute it and/or modify it under 6 * Deliantra is free software: you can redistribute it and/or modify it under
7 * the terms of the Affero GNU General Public License as published by the 7 * the terms of the Affero GNU General Public License as published by the
8 * Free Software Foundation, either version 3 of the License, or (at your 8 * Free Software Foundation, either version 3 of the License, or (at your
9 * option) any later version. 9 * option) any later version.
24// cfperl.h perl interface 24// cfperl.h perl interface
25// 25//
26#ifndef CFPERL_H__ 26#ifndef CFPERL_H__
27#define CFPERL_H__ 27#define CFPERL_H__
28 28
29#include <cstdarg>
30#include <cstdio>
31#include <bitset>
32
33using namespace std; 29using namespace std;
34 30
35#include <EXTERN.h> 31#include <EXTERN.h>
36#include <perl.h> 32#include <perl.h>
37#include <XSUB.h> 33#include <XSUB.h>
85 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV)); 81 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
86 82
87inline 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); }
88inline 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); }
89 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
90#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)
91#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
92#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) 91#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
93#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;
94#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE 93#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE; CALL_POP
95 94
96////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 95//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
97 96
98void cfperl_init (); 97void cfperl_init ();
99void cfperl_main (); 98void cfperl_main ();
100void cfperl_tick (); 99void cfperl_tick ();
101void cfperl_emergency_save (); 100void cfperl_emergency_save ();
102void cfperl_cleanup (int make_core); 101void cfperl_cleanup (int make_core);
103void cfperl_make_book (object *book, int level); 102void cfperl_make_book (object *book, int level);
104void 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);
105int cfperl_can_merge (object *ob1, object *ob2); 104int cfperl_can_merge (object *ob1, object *ob2);
106void 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);
107 106
108bool is_match_expr (const char *expr); 107bool is_match_expr (const_utf8_string expr);
109/* applies the match expression and returns true if it matches */ 108// applies the match expression and returns true if it matches
110bool 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);
111 112
112////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 113//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
113 114
114#if IVSIZE >= 8 115#if IVSIZE >= 8
115 typedef IV val64; 116 typedef IV val64;
194 195
195 enum { 196 enum {
196 F_DESTROYED = 0x01, 197 F_DESTROYED = 0x01,
197 F_DEBUG_TRACE = 0x02, 198 F_DEBUG_TRACE = 0x02,
198 }; 199 };
199 uint8 ACC (RW, flags); 200 uint8 ACC (RW, attachable_flags);
200 201
201 static unordered_vector<attachable *> mortals; 202 static unordered_vector<attachable *> mortals;
202 MTH static void check_mortals (); 203 MTH static void check_mortals ();
203 204
204 // object is delete'd after the refcount reaches 0 205 // object is delete'd after the refcount reaches 0
210 // this politely asks everybody interested the reduce 211 // this politely asks everybody interested the reduce
211 // the refcount to 0 as soon as possible. 212 // the refcount to 0 as soon as possible.
212 MTH void destroy (); 213 MTH void destroy ();
213 214
214 // return wether an object was destroyed already 215 // return wether an object was destroyed already
215 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 ();
216 220
217 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 221 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
218 222
219#if 0 223#if 0
220private: 224private:
228 232
229 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.
230 void optimise (); // possibly save some memory by destroying unneeded data 234 void optimise (); // possibly save some memory by destroying unneeded data
231 235
232 attachable () 236 attachable ()
233 : flags (0), self (0), cb (0), attach (0) 237 : attachable_flags (0), self (0), cb (0), attach (0)
234 { 238 {
235 } 239 }
236 240
237 attachable (const attachable &src) 241 attachable (const attachable &src)
238 : flags (0), self (0), cb (0), attach (src.attach) 242 : attachable_flags (0), self (0), cb (0), attach (src.attach)
239 { 243 {
240 } 244 }
241 245
242 // 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
243 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);
244 248
245 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)
246 { 250 {
247 set_key (key, value, 1); 251 set_key (key, value, 1);
248 } 252 }
249 253
250 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)
251 { 255 {
252 set_key (key, value, 0); 256 set_key (key, value, 0);
253 } 257 }
254 258
255 attachable &operator =(const attachable &src); 259 attachable &operator =(const attachable &src);
256 260
257 // used to _quickly_ device wether to shortcut the evaluation 261 // used to _quickly_ decide wether to shortcut the evaluation
258 bool should_invoke (event_type event) 262 bool should_invoke (event_type event)
259 { 263 {
260 return ev_want_event [event] || cb; 264 return ev_want_event [event] || cb;
261 } 265 }
262 266
284 288
285extern struct global gbl_ev; 289extern struct global gbl_ev;
286 290
287////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 291//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
288 292
289INTERFACE_CLASS(object_freezer) 293#include "freezethaw.h"
290struct object_freezer : dynbuf_text
291{
292 AV *av;
293
294 object_freezer ();
295 ~object_freezer ();
296
297 void put (attachable *ext);
298
299 // used only for user-defined key-value pairs
300 void put (shstr_tmp k, shstr_tmp v)
301 {
302 add (k);
303
304 if (expect_true (v))
305 add (' '), add (v);
306
307 add ('\n');
308 }
309
310 template<typename T>
311 void put_kw_string (keyword k, const T &v)
312 {
313 int klen = keyword_len [k];
314 int vlen = v ? strlen (v) + 1 : 0;
315
316 char *p = (char *)alloc (klen + vlen + 1);
317
318 memcpy (p, keyword_str [k], klen); p += klen;
319
320 if (expect_true (v))
321 {
322 *p++ = ' '; vlen--;
323 memcpy (p, v, vlen); p += vlen;
324 }
325
326 *p = '\n';
327 }
328
329 void put (keyword k, const char *v = 0)
330 {
331 put_kw_string (k, v);
332 }
333
334 void put (keyword k, shstr_tmp v)
335 {
336 put_kw_string (k, v);
337 }
338
339 void put (keyword k, double v)
340 {
341 force (MAX_KEYWORD_LEN + 2 + 32);
342 fadd (keyword_str [k], keyword_len [k]);
343 fadd (' ');
344 falloc (sprintf (ptr, "%.7g", v));
345 fadd ('\n');
346 }
347
348 void put_(keyword k, sint64 v)
349 {
350 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
351 fadd (keyword_str [k], keyword_len [k]);
352 fadd (' ');
353 add (v);
354 fadd ('\n');
355 }
356
357 void put_(keyword k, sint32 v)
358 {
359 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
360 fadd (keyword_str [k], keyword_len [k]);
361 fadd (' ');
362 add (v);
363 fadd ('\n');
364 }
365
366 void put (keyword k, float v) { put (k, (double)v); }
367 void put (keyword k, signed char v) { put_(k, (sint32)v); }
368 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
369 void put (keyword k, signed short v) { put_(k, (sint32)v); }
370 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
371 void put (keyword k, signed int v) { put_(k, (sint32)v); }
372 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
373 void put (keyword k, signed long v) { put_(k, (sint64)v); }
374 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
375 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
376 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
377
378 void put (keyword kbeg, keyword kend, shstr_tmp v)
379 {
380 force (MAX_KEYWORD_LEN + 1);
381 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
382
383 if (expect_true (v))
384 {
385 add (v);
386 add ('\n');
387 }
388
389 force (MAX_KEYWORD_LEN + 1);
390 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
391 }
392
393 void put (keyword k, archetype *v);
394 void put (keyword k, treasurelist *v);
395 void put (keyword k, faceinfo *v);
396
397 template<typename T>
398 void put (keyword k, const refptr<T> &v)
399 {
400 put (k, (T *)v);
401 }
402
403 MTH bool save (const_octet_string path);
404 char *as_string (); // like strdup
405
406 operator bool () { return !!av; }
407};
408
409INTERFACE_CLASS(object_thawer)
410struct object_thawer
411{
412 char *line; // current beginning of line
413 SV *text; // text part
414 AV *av; // perl part
415 int linenum;
416 keyword kw;
417 char *kw_str; // the keyword parsed, as string
418 char *value; // the value, or 0 if no value
419 const char *value_nn; // the value, or the empty string if no value
420 const char *name;
421
422 operator bool () const { return !!text; }
423
424 object_thawer (const char *path = 0);
425 object_thawer (const char *data, AV *perlav);
426 ~object_thawer ();
427
428 void get (attachable *obj, int oid);
429
430 // parse next line
431 MTH void next ();
432 // skip the current key-value (usually fetch next line, for
433 // multiline-fields, skips till the corresponding end-kw
434 MTH void skip ();
435 MTH void skip_block (); // skips till and over KW_end
436
437 char *get_str () { return value; } // may be 0
438 void get_ml (keyword kend, shstr &sh);
439
440 void get_ornull (shstr &sh) const { sh = value; }
441 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
442
443 bool get_bool () const { return *value_nn == '1'; }
444 sint32 get_sint32 () const;
445 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
446 double get_double () const { return strtod (value_nn, 0); }
447
448 void get (float &v) { v = get_double (); }
449 void get (double &v) { v = get_double (); }
450
451 void get (bool &i) { i = get_bool (); }
452 void get (sint8 &i) { i = get_sint32 (); }
453 void get (uint8 &i) { i = get_sint32 (); }
454 void get (sint16 &i) { i = get_sint32 (); }
455 void get (uint16 &i) { i = get_sint32 (); }
456 void get (sint32 &i) { i = get_sint32 (); }
457
458 void get (uint32 &i) { i = get_sint64 (); }
459 void get (sint64 &i) { i = get_sint64 (); }
460
461 MTH void parse_warn (const char *msg);
462 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
463
464 struct delayed_ref {
465 attachable *op;
466 object_ptr *ptr;
467 const char *ref;
468 };
469 std::vector<delayed_ref> delrefs;
470
471 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
472 MTH void resolve_delayed_derefs (bool deref = true);
473};
474
475//TODO: remove
476char *fgets (char *s, int n, object_thawer &thawer);
477 294
478////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 295//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
479 296
480struct coroapi { 297struct coroapi {
481 static struct CoroAPI *GCoroAPI; 298 static struct CoroAPI *GCoroAPI;

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