My Project
iplib.cc
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1 /****************************************
2 * Computer Algebra System SINGULAR *
3 ****************************************/
4 /*
5 * ABSTRACT: interpreter: LIB and help
6 */
7 
8 #include "kernel/mod2.h"
9 
10 #include "Singular/tok.h"
11 #include "misc/options.h"
12 #include "Singular/ipid.h"
13 #include "polys/monomials/ring.h"
14 #include "Singular/subexpr.h"
15 #include "Singular/ipid.h"
16 #include "Singular/ipshell.h"
17 #include "Singular/fevoices.h"
18 #include "Singular/lists.h"
19 
20 #ifndef SINGULAR_PATH_LENGTH
21 #define SINGULAR_PATH_LENGTH 512
22 #endif
23 
24 #include <ctype.h>
25 
26 #if SIZEOF_LONG == 8
27 #define SI_MAX_NEST 500
28 #elif defined(__CYGWIN__)
29 #define SI_MAX_NEST 480
30 #else
31 #define SI_MAX_NEST 1000
32 #endif
33 
34 #if defined(ix86Mac_darwin) || defined(x86_64Mac_darwin) || defined(ppcMac_darwin)
35 # define MODULE_SUFFIX bundle
36 #elif defined(__CYGWIN__)
37 # define MODULE_SUFFIX dll
38 #else
39 # define MODULE_SUFFIX so
40 #endif
41 
42 #define MODULE_SUFFIX_STRING EXPANDED_STRINGIFY(MODULE_SUFFIX)
43 
44 
45 #ifdef HAVE_DYNAMIC_LOADING
46 BOOLEAN load_modules(const char *newlib, char *fullname, BOOLEAN autoexport);
47 #endif
48 
49 #ifdef HAVE_LIBPARSER
50 # include "libparse.h"
51 #else /* HAVE_LIBPARSER */
52 procinfo *iiInitSingularProcinfo(procinfov pi, const char *libname,
53  const char *procname, int line, long pos, BOOLEAN pstatic=FALSE);
54 #endif /* HAVE_LIBPARSER */
55 
56 extern int iiArithAddCmd(const char *szName, short nAlias, short nTokval,
57  short nToktype, short nPos);
58 
59 #include "Singular/mod_lib.h"
60 
61 #ifdef HAVE_LIBPARSER
62 void yylprestart (FILE *input_file );
63 int current_pos(int i=0);
66 extern const char *yylp_errlist[];
67 void print_init();
69 #endif
70 
71 //int IsCmd(char *n, int tok);
72 char mytolower(char c);
73 
74 /*2
75 * return TRUE if the libray libname is already loaded
76 */
77 BOOLEAN iiGetLibStatus(const char *lib)
78 {
79  idhdl hl;
80 
81  char *plib = iiConvName(lib);
82  hl = basePack->idroot->get(plib,0);
83  omFreeBinAddr(plib);
84  if((hl==NULL) ||(IDTYP(hl)!=PACKAGE_CMD))
85  {
86  return FALSE;
87  }
88  if ((IDPACKAGE(hl)->language!=LANG_C)&&(IDPACKAGE(hl)->libname!=NULL))
89  return (strcmp(lib,IDPACKAGE(hl)->libname)==0);
90  return FALSE;
91 }
92 
93 /*2
94 * given a line 'proc[ ]+{name}[ \t]*'
95 * return a pointer to name and set the end of '\0'
96 * changes the input!
97 * returns: e: pointer to 'end of name'
98 * ct: changed char at the end of s
99 */
100 char* iiProcName(char *buf, char & ct, char* &e)
101 {
102  char *s=buf+5;
103  while (*s==' ') s++;
104  e=s+1;
105  while ((*e>' ') && (*e!='(')) e++;
106  ct=*e;
107  *e='\0';
108  return s;
109 }
110 
111 /*2
112 * given a line with args, return the argstr
113 */
114 char * iiProcArgs(char *e,BOOLEAN withParenth)
115 {
116  while ((*e==' ') || (*e=='\t') || (*e=='(')) e++;
117  if (*e<' ')
118  {
119  if (withParenth)
120  {
121  // no argument list, allow list #
122  return omStrDup("parameter list #;");
123  }
124  else
125  {
126  // empty list
127  return omStrDup("");
128  }
129  }
130  BOOLEAN in_args;
131  BOOLEAN args_found;
132  char *s;
133  char *argstr=(char *)omAlloc(127); // see ../omalloc/omTables.inc
134  int argstrlen=127;
135  *argstr='\0';
136  int par=0;
137  do
138  {
139  args_found=FALSE;
140  s=e; // set s to the starting point of the arg
141  // and search for the end
142  // skip leading spaces:
143  loop
144  {
145  if ((*s==' ')||(*s=='\t'))
146  s++;
147  else if ((*s=='\n')&&(*(s+1)==' '))
148  s+=2;
149  else // start of new arg or \0 or )
150  break;
151  }
152  e=s;
153  while ((*e!=',')
154  &&((par!=0) || (*e!=')'))
155  &&(*e!='\0'))
156  {
157  if (*e=='(') par++;
158  else if (*e==')') par--;
159  args_found=args_found || (*e>' ');
160  e++;
161  }
162  in_args=(*e==',');
163  if (args_found)
164  {
165  *e='\0';
166  // check for space:
167  if ((int)strlen(argstr)+12 /* parameter + ;*/ +(int)strlen(s)>= argstrlen)
168  {
169  argstrlen*=2;
170  char *a=(char *)omAlloc( argstrlen);
171  strcpy(a,argstr);
172  omFree((ADDRESS)argstr);
173  argstr=a;
174  }
175  // copy the result to argstr
176  if(strncmp(s,"alias ",6)!=0)
177  {
178  strcat(argstr,"parameter ");
179  }
180  strcat(argstr,s);
181  strcat(argstr,"; ");
182  e++; // e was pointing to ','
183  }
184  } while (in_args);
185  return argstr;
186 }
187 
188 /*2
189 * locate `procname` in lib `libname` and find the part `part`:
190 * part=0: help, between, but excluding the line "proc ..." and "{...":
191 * => return
192 * part=1: body, between "{ ..." and "}", including the 1. line, w/o "{"
193 * => set pi->data.s.body, return NULL
194 * part=2: example, between, but excluding the line "exapmle {..." and "}":
195 * => return
196 */
197 char* iiGetLibProcBuffer(procinfo *pi, int part )
198 {
199  char buf[SINGULAR_PATH_LENGTH], *s = NULL, *p;
200  long procbuflen;
201 
202  FILE * fp = feFopen( pi->libname, "rb", NULL, TRUE );
203  if (fp==NULL)
204  {
205  return NULL;
206  }
207 
208  fseek(fp, pi->data.s.proc_start, SEEK_SET);
209  if(part==0)
210  { // load help string
211  int i, offset=0;
212  long head = pi->data.s.def_end - pi->data.s.proc_start;
213  procbuflen = pi->data.s.help_end - pi->data.s.help_start;
214  if (procbuflen<5)
215  {
216  fclose(fp);
217  return NULL; // help part does not exist
218  }
219  //Print("Help=%ld-%ld=%d\n", pi->data.s.body_start,
220  // pi->data.s.proc_start, procbuflen);
221  s = (char *)omAlloc(procbuflen+head+3);
222  myfread(s, head, 1, fp);
223  s[head] = '\n';
224  fseek(fp, pi->data.s.help_start, SEEK_SET);
225  myfread(s+head+1, procbuflen, 1, fp);
226  fclose(fp);
227  s[procbuflen+head+1] = '\n';
228  s[procbuflen+head+2] = '\0';
229  offset=0;
230  for(i=0;i<=procbuflen+head+2; i++)
231  {
232  if(s[i]=='\\' &&
233  (s[i+1]=='"' || s[i+1]=='{' || s[i+1]=='}' || s[i+1]=='\\'))
234  {
235  i++;
236  offset++;
237  }
238  if(offset>0) s[i-offset] = s[i];
239  }
240  return(s);
241  }
242  else if(part==1)
243  { // load proc part - must exist
244  procbuflen = pi->data.s.def_end - pi->data.s.proc_start;
245  char *ss=(char *)omAlloc(procbuflen+2);
246  //fgets(buf, sizeof(buf), fp);
247  myfread( ss, procbuflen, 1, fp);
248  char ct;
249  char *e;
250  s=iiProcName(ss,ct,e);
251  char *argstr=NULL;
252  *e=ct;
253  argstr=iiProcArgs(e,TRUE);
254 
255  assume(pi->data.s.body_end > pi->data.s.body_start);
256 
257  procbuflen = pi->data.s.body_end - pi->data.s.body_start;
258  pi->data.s.body = (char *)omAlloc( strlen(argstr)+procbuflen+15+
259  strlen(pi->libname) );
260  //Print("Body=%ld-%ld=%d\n", pi->data.s.body_end,
261  // pi->data.s.body_start, procbuflen);
262  assume(pi->data.s.body != NULL);
263  fseek(fp, pi->data.s.body_start, SEEK_SET);
264  strcpy(pi->data.s.body,argstr);
265  myfread( pi->data.s.body+strlen(argstr), procbuflen, 1, fp);
266  fclose( fp );
267  procbuflen+=strlen(argstr);
268  omFree(argstr);
269  omFree(ss);
270  pi->data.s.body[procbuflen] = '\0';
271  strcat( pi->data.s.body+procbuflen, "\n;return();\n\n" );
272  strcat( pi->data.s.body+procbuflen+13,pi->libname);
273  s=(char *)strchr(pi->data.s.body,'{');
274  if (s!=NULL) *s=' ';
275  return NULL;
276  }
277  else if(part==2)
278  { // example
279  if ( pi->data.s.example_lineno == 0)
280  return NULL; // example part does not exist
281  // load example
282  fseek(fp, pi->data.s.example_start, SEEK_SET);
283  /*char *dummy=*/ (void) fgets(buf, sizeof(buf), fp); // skip line with "example"
284  procbuflen = pi->data.s.proc_end - pi->data.s.example_start - strlen(buf);
285  //Print("Example=%ld-%ld=%d\n", pi->data.s.proc_end,
286  // pi->data.s.example_start, procbuflen);
287  s = (char *)omAlloc(procbuflen+14);
288  myfread(s, procbuflen, 1, fp);
289  s[procbuflen] = '\0';
290  strcat(s+procbuflen-3, "\n;return();\n\n" );
291  p=(char *)strchr(s,'{');
292  if (p!=NULL) *p=' ';
293  return(s);
294  }
295  return NULL;
296 }
297 
299 {
300  int save_trace=traceit;
301  int restore_traceit=0;
302  if (traceit_stop
303  && (traceit & TRACE_SHOW_LINE))
304  {
306  traceit_stop=0;
307  restore_traceit=1;
308  }
309  // see below:
310  BITSET save1=si_opt_1;
311  BITSET save2=si_opt_2;
312  newBuffer( omStrDup(p /*pi->data.s.body*/), t /*BT_proc*/,
313  pi, l );
314  BOOLEAN err=yyparse();
315 
316  if (sLastPrinted.rtyp!=0)
317  {
319  }
320 
321  if (restore_traceit) traceit=save_trace;
322 
323  // the access to optionStruct and verboseStruct do not work
324  // on x86_64-Linux for pic-code
325  if ((TEST_V_ALLWARN) &&
326  (t==BT_proc) &&
327  ((save1!=si_opt_1)||(save2!=si_opt_2)) &&
328  (pi->libname!=NULL) && (pi->libname[0]!='\0'))
329  {
330  if ((pi->libname!=NULL) && (pi->libname[0]!='\0'))
331  Warn("option changed in proc %s from %s",pi->procname,pi->libname);
332  else
333  Warn("option changed in proc %s",pi->procname);
334  int i;
335  for (i=0; optionStruct[i].setval!=0; i++)
336  {
337  if ((optionStruct[i].setval & si_opt_1)
338  && (!(optionStruct[i].setval & save1)))
339  {
340  Print(" +%s",optionStruct[i].name);
341  }
342  if (!(optionStruct[i].setval & si_opt_1)
343  && ((optionStruct[i].setval & save1)))
344  {
345  Print(" -%s",optionStruct[i].name);
346  }
347  }
348  for (i=0; verboseStruct[i].setval!=0; i++)
349  {
350  if ((verboseStruct[i].setval & si_opt_2)
351  && (!(verboseStruct[i].setval & save2)))
352  {
353  Print(" +%s",verboseStruct[i].name);
354  }
355  if (!(verboseStruct[i].setval & si_opt_2)
356  && ((verboseStruct[i].setval & save2)))
357  {
358  Print(" -%s",verboseStruct[i].name);
359  }
360  }
361  PrintLn();
362  }
363  return err;
364 }
365 /*2
366 * start a proc
367 * parameters are built as exprlist
368 * TODO:interrupt
369 * return FALSE on success, TRUE if an error occurs
370 */
372 {
373  procinfov pi=NULL;
374  int old_echo=si_echo;
375  BOOLEAN err=FALSE;
376  char save_flags=0;
377 
378  /* init febase ======================================== */
379  /* we do not enter this case if filename != NULL !! */
380  if (pn!=NULL)
381  {
382  pi = IDPROC(pn);
383  if(pi!=NULL)
384  {
385  save_flags=pi->trace_flag;
386  if( pi->data.s.body==NULL )
387  {
389  if (pi->data.s.body==NULL) return TRUE;
390  }
391 // omUpdateInfo();
392 // int m=om_Info.UsedBytes;
393 // Print("proc %s, mem=%d\n",IDID(pn),m);
394  }
395  }
396  else return TRUE;
397  /* generate argument list ======================================*/
398  //iiCurrArgs should be NULL here, as the assignment for the parameters
399  // of the prevouis call are already done befor calling another routine
400  if (v!=NULL)
401  {
403  memcpy(iiCurrArgs,v,sizeof(sleftv)); // keeps track of v->next etc.
404  v->Init();
405  }
406  else
407  {
409  }
410  /* start interpreter ======================================*/
411  myynest++;
412  if (myynest > SI_MAX_NEST)
413  {
414  WerrorS("nesting too deep");
415  err=TRUE;
416  }
417  else
418  {
419  iiCurrProc=pn;
420  err=iiAllStart(pi,pi->data.s.body,BT_proc,pi->data.s.body_lineno-(v!=NULL));
422 
423  if (iiLocalRing[myynest-1] != currRing)
424  {
426  {
427  //idhdl hn;
428  const char *n;
429  const char *o;
430  idhdl nh=NULL, oh=NULL;
431  if (iiLocalRing[myynest-1]!=NULL)
433  if (oh!=NULL) o=oh->id;
434  else o="none";
435  if (currRing!=NULL)
436  nh=rFindHdl(currRing,NULL);
437  if (nh!=NULL) n=nh->id;
438  else n="none";
439  Werror("ring change during procedure call %s: %s -> %s (level %d)",pi->procname,o,n,myynest);
441  err=TRUE;
442  }
444  }
445  if ((currRing==NULL)
446  && (currRingHdl!=NULL))
448  else
449  if ((currRing!=NULL) &&
451  ||(IDLEV(currRingHdl)>=myynest-1)))
452  {
455  }
456  //Print("kill locals for %s (level %d)\n",IDID(pn),myynest);
458 #ifndef SING_NDEBUG
459  checkall();
460 #endif
461  //Print("end kill locals for %s (%d)\n",IDID(pn),myynest);
462  }
463  myynest--;
464  si_echo=old_echo;
465  if (pi!=NULL)
466  pi->trace_flag=save_flags;
467 // omUpdateInfo();
468 // int m=om_Info.UsedBytes;
469 // Print("exit %s, mem=%d\n",IDID(pn),m);
470  return err;
471 }
472 
476 
477 #ifdef RDEBUG
478 static void iiShowLevRings()
479 {
480  int i;
481  for (i=0;i<=myynest;i++)
482  {
483  Print("lev %d:",i);
484  if (iiLocalRing[i]==NULL) PrintS("NULL");
485  else Print("%lx",(long)iiLocalRing[i]);
486  PrintLn();
487  }
488  if (currRing==NULL) PrintS("curr:NULL\n");
489  else Print ("curr:%lx\n",(long)currRing);
490 }
491 #endif /* RDEBUG */
492 
493 static void iiCheckNest()
494 {
495  if (myynest >= iiRETURNEXPR_len-1)
496  {
498  iiRETURNEXPR_len*sizeof(ring),
499  (iiRETURNEXPR_len+16)*sizeof(ring));
500  memset(&(iiLocalRing[iiRETURNEXPR_len]),0,16*sizeof(ring));
501  iiRETURNEXPR_len+=16;
502  }
503 }
505 {
506  int err;
507  procinfov pi = IDPROC(pn);
508  if(pi->is_static && myynest==0)
509  {
510  Werror("'%s::%s()' is a local procedure and cannot be accessed by an user.",
511  pi->libname, pi->procname);
512  return TRUE;
513  }
514  iiCheckNest();
516  //Print("currRing(%d):%s(%x) in %s\n",myynest,IDID(currRingHdl),currRing,IDID(pn));
517  iiRETURNEXPR.Init();
518  procstack->push(pi->procname);
520  || (pi->trace_flag&TRACE_SHOW_PROC))
521  {
523  Print("entering%-*.*s %s (level %d)\n",myynest*2,myynest*2," ",IDID(pn),myynest);
524  }
525 #ifdef RDEBUG
527 #endif
528  switch (pi->language)
529  {
530  default:
531  case LANG_NONE:
532  WerrorS("undefined proc");
533  err=TRUE;
534  break;
535 
536  case LANG_SINGULAR:
537  if ((pi->pack!=NULL)&&(currPack!=pi->pack))
538  {
539  currPack=pi->pack;
542  //Print("set pack=%s\n",IDID(currPackHdl));
543  }
544  else if ((pack!=NULL)&&(currPack!=pack))
545  {
546  currPack=pack;
549  //Print("set pack=%s\n",IDID(currPackHdl));
550  }
551  err=iiPStart(pn,args);
552  break;
553  case LANG_C:
555  err = (pi->data.o.function)(res, args);
556  memcpy(&iiRETURNEXPR,res,sizeof(iiRETURNEXPR));
558  break;
559  }
561  || (pi->trace_flag&TRACE_SHOW_PROC))
562  {
564  Print("leaving %-*.*s %s (level %d)\n",myynest*2,myynest*2," ",IDID(pn),myynest);
565  }
566  //const char *n="NULL";
567  //if (currRingHdl!=NULL) n=IDID(currRingHdl);
568  //Print("currRing(%d):%s(%x) after %s\n",myynest,n,currRing,IDID(pn));
569 #ifdef RDEBUG
571 #endif
572  if (err)
573  {
575  //iiRETURNEXPR.Init(); //done by CleanUp
576  }
577  if (iiCurrArgs!=NULL)
578  {
579  if (!err) Warn("too many arguments for %s",IDID(pn));
580  iiCurrArgs->CleanUp();
583  }
584  procstack->pop();
585  if (err)
586  return TRUE;
587  return FALSE;
588 }
589 static void iiCallLibProcBegin()
590 {
591  idhdl tmp_ring=NULL;
592  if (currRing!=NULL)
593  {
595  {
596  // clean up things depending on currRingHdl:
598  sLastPrinted.Init();
599  }
600  // need to define a ring-hdl for currRingHdl
601  tmp_ring=enterid(" tmpRing",myynest,RING_CMD,&IDROOT,FALSE);
602  IDRING(tmp_ring)=rIncRefCnt(currRing);
603  rSetHdl(tmp_ring);
604  }
605 }
606 static void iiCallLibProcEnd(idhdl save_ringhdl, ring save_ring)
607 {
608  if ((currRing!=NULL)
609  &&(currRing!=save_ring))
610  {
612  idhdl hh=IDROOT;
613  idhdl prev=NULL;
614  while((hh!=currRingHdl) && (hh!=NULL)) { prev=hh; hh=hh->next; }
615  if (hh!=NULL)
616  {
617  if (prev==NULL) IDROOT=hh->next;
618  else prev->next=hh->next;
619  omFree((ADDRESS)IDID(hh));
621  }
622  }
623  currRingHdl=save_ringhdl;
624  currRing=save_ring;
625 }
626 
627 void* iiCallLibProc1(const char*n, void *arg, int arg_type, BOOLEAN &err)
628 {
629  idhdl h=ggetid(n);
630  if ((h==NULL)
631  || (IDTYP(h)!=PROC_CMD))
632  {
633  err=2;
634  return NULL;
635  }
636  // ring handling
637  idhdl save_ringhdl=currRingHdl;
638  ring save_ring=currRing;
640  // argument:
641  sleftv tmp;
642  tmp.Init();
643  tmp.data=arg;
644  tmp.rtyp=arg_type;
645  // call proc
646  err=iiMake_proc(h,currPack,&tmp);
647  // clean up ring
648  iiCallLibProcEnd(save_ringhdl,save_ring);
649  // return
650  if (err==FALSE)
651  {
652  void*r=iiRETURNEXPR.data;
655  return r;
656  }
657  return NULL;
658 }
659 
660 // return NULL on failure
661 ideal ii_CallProcId2Id(const char *lib,const char *proc, ideal arg, const ring R)
662 {
663  char *plib = iiConvName(lib);
664  idhdl h=ggetid(plib);
665  omFreeBinAddr(plib);
666  if (h==NULL)
667  {
668  BOOLEAN bo=iiLibCmd(lib,TRUE,TRUE,FALSE);
669  if (bo) return NULL;
670  }
671  ring oldR=currRing;
673  BOOLEAN err;
674  ideal I=(ideal)iiCallLibProc1(proc,idCopy(arg),IDEAL_CMD,err);
675  rChangeCurrRing(oldR);
676  if (err) return NULL;
677  return I;
678 }
679 
680 int ii_CallProcId2Int(const char *lib,const char *proc, ideal arg, const ring R)
681 {
682  char *plib = iiConvName(lib);
683  idhdl h=ggetid(plib);
684  omFreeBinAddr(plib);
685  if (h==NULL)
686  {
687  BOOLEAN bo=iiLibCmd(lib,TRUE,TRUE,FALSE);
688  if (bo) return 0;
689  }
690  BOOLEAN err;
691  ring oldR=currRing;
693  int I=(int)(long)iiCallLibProc1(proc,idCopy(arg),IDEAL_CMD,err);
694  rChangeCurrRing(oldR);
695  if (err) return 0;
696  return I;
697 }
698 
699 /// args: NULL terminated array of arguments
700 /// arg_types: 0 terminated array of corresponding types
701 leftv ii_CallLibProcM(const char*n, void **args, int* arg_types, const ring R, BOOLEAN &err)
702 {
703  idhdl h=ggetid(n);
704  if ((h==NULL)
705  || (IDTYP(h)!=PROC_CMD))
706  {
707  err=2;
708  return NULL;
709  }
710  // ring handling
711  idhdl save_ringhdl=currRingHdl;
712  ring save_ring=currRing;
715  // argument:
716  if (arg_types[0]!=0)
717  {
718  sleftv tmp;
719  leftv tt=&tmp;
720  int i=1;
721  tmp.Init();
722  tmp.data=args[0];
723  tmp.rtyp=arg_types[0];
724  while(arg_types[i]!=0)
725  {
727  tt=tt->next;
728  tt->rtyp=arg_types[i];
729  tt->data=args[i];
730  i++;
731  }
732  // call proc
733  err=iiMake_proc(h,currPack,&tmp);
734  }
735  else
736  // call proc
737  err=iiMake_proc(h,currPack,NULL);
738  // clean up ring
739  iiCallLibProcEnd(save_ringhdl,save_ring);
740  // return
741  if (err==FALSE)
742  {
744  memcpy(h,&iiRETURNEXPR,sizeof(sleftv));
745  iiRETURNEXPR.Init();
746  return h;
747  }
748  return NULL;
749 }
750 /*2
751 * start an example (as a proc),
752 * destroys the string 'example'
753 */
754 BOOLEAN iiEStart(char* example, procinfo *pi)
755 {
756  BOOLEAN err;
757  int old_echo=si_echo;
758 
759  iiCheckNest();
760  procstack->push(example);
763  {
764  if (traceit&TRACE_SHOW_LINENO) printf("\n");
765  printf("entering example (level %d)\n",myynest);
766  }
767  myynest++;
768 
769  err=iiAllStart(pi,example,BT_example,(pi != NULL ? pi->data.s.example_lineno: 0));
770 
772  myynest--;
773  si_echo=old_echo;
775  {
776  if (traceit&TRACE_SHOW_LINENO) printf("\n");
777  printf("leaving -example- (level %d)\n",myynest);
778  }
779  if (iiLocalRing[myynest] != currRing)
780  {
781  if (iiLocalRing[myynest]!=NULL)
782  {
785  }
786  else
787  {
789  currRing=NULL;
790  }
791  }
792  procstack->pop();
793  return err;
794 }
795 
796 
797 extern "C"
798 {
799 # define SI_GET_BUILTIN_MOD_INIT0(name) int SI_MOD_INIT0(name)(SModulFunctions*);
801 # undef SI_GET_BUILTIN_MOD_INIT0
802 };
803 
804 extern "C" int flint_mod_init(SModulFunctions* psModulFunctions);
805 
807 iiGetBuiltinModInit(const char* libname)
808 {
809 #ifdef HAVE_FLINT
810  if (strcmp(libname,"flint.so")==0) return SI_MOD_INIT0(flint);
811 #endif
812 # define SI_GET_BUILTIN_MOD_INIT(name) if (strcmp(libname, #name ".so") == 0){ return SI_MOD_INIT0(name); }
814 # undef SI_GET_BUILTIN_MOD_INIT
815 
816  return NULL;
817 }
818 
819 
820 
821 
822 /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
823 BOOLEAN iiTryLoadLib(leftv v, const char *id)
824 {
825  BOOLEAN LoadResult = TRUE;
826  char libnamebuf[1024];
827  char *libname = (char *)omAlloc(strlen(id)+5);
828  const char *suffix[] = { "", ".lib", ".so", ".sl", NULL };
829  int i = 0;
830  // FILE *fp;
831  // package pack;
832  // idhdl packhdl;
833  lib_types LT;
834  for(i=0; suffix[i] != NULL; i++)
835  {
836  sprintf(libname, "%s%s", id, suffix[i]);
837  *libname = mytolower(*libname);
838  if((LT = type_of_LIB(libname, libnamebuf)) > LT_NOTFOUND)
839  {
840  #ifdef HAVE_DYNAMIC_LOADING
841  char libnamebuf[1024];
842  #endif
843 
844  if (LT==LT_SINGULAR)
845  LoadResult = iiLibCmd(libname, FALSE, FALSE,TRUE);
846  #ifdef HAVE_DYNAMIC_LOADING
847  else if ((LT==LT_ELF) || (LT==LT_HPUX))
848  LoadResult = load_modules(libname,libnamebuf,FALSE);
849  #endif
850  else if (LT==LT_BUILTIN)
851  {
852  LoadResult=load_builtin(libname,FALSE, iiGetBuiltinModInit(libname));
853  }
854  if(!LoadResult )
855  {
856  v->name = iiConvName(libname);
857  break;
858  }
859  }
860  }
861  omFree(libname);
862  return LoadResult;
863 }
864 
865 /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
866 /* check, if library lib has already been loaded
867  if yes, writes filename of lib into where and returns TRUE,
868  no, returns FALSE
869 */
870 BOOLEAN iiLocateLib(const char* lib, char* where)
871 {
872  char *plib = iiConvName(lib);
873  idhdl pl = basePack->idroot->get(plib,0);
874  if( (pl!=NULL) && (IDTYP(pl)==PACKAGE_CMD) &&
875  (IDPACKAGE(pl)->language == LANG_SINGULAR))
876  {
877  strncpy(where,IDPACKAGE(pl)->libname,127);
878  return TRUE;
879  }
880  else
881  return FALSE;;
882 }
883 
884 BOOLEAN iiLibCmd( const char *newlib, BOOLEAN autoexport, BOOLEAN tellerror, BOOLEAN force )
885 {
886  if (strcmp(newlib,"Singular")==0) return FALSE;
887  char libnamebuf[1024];
888  idhdl pl;
889  char *plib = iiConvName(newlib);
890  FILE * fp = feFopen( newlib, "r", libnamebuf, tellerror );
891  // int lines = 1;
892  BOOLEAN LoadResult = TRUE;
893 
894  if (fp==NULL)
895  {
896  return TRUE;
897  }
898  pl = basePack->idroot->get(plib,0);
899  if (pl==NULL)
900  {
901  pl = enterid( plib,0, PACKAGE_CMD,
902  &(basePack->idroot), TRUE );
903  IDPACKAGE(pl)->language = LANG_SINGULAR;
904  IDPACKAGE(pl)->libname=omStrDup(newlib);
905  }
906  else
907  {
908  if(IDTYP(pl)!=PACKAGE_CMD)
909  {
910  omFreeBinAddr(plib);
911  WarnS("not of type package.");
912  fclose(fp);
913  return TRUE;
914  }
915  if (!force)
916  {
917  omFreeBinAddr(plib);
918  return FALSE;
919  }
920  }
921  LoadResult = iiLoadLIB(fp, libnamebuf, newlib, pl, autoexport, tellerror);
922 
923  if(!LoadResult) IDPACKAGE(pl)->loaded = TRUE;
924  omFree((ADDRESS)plib);
925  return LoadResult;
926 }
927 /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
928 static void iiCleanProcs(idhdl &root)
929 {
930  idhdl prev=NULL;
931  loop
932  {
933  if (root==NULL) return;
934  if (IDTYP(root)==PROC_CMD)
935  {
936  procinfo *pi=(procinfo*)IDDATA(root);
937  if ((pi->language == LANG_SINGULAR)
938  && (pi->data.s.body_start == 0L))
939  {
940  // procinfo data incorrect:
941  // - no proc body can start at the beginning of the file
942  killhdl(root);
943  if (prev==NULL)
944  root=IDROOT;
945  else
946  {
947  root=prev;
948  prev=NULL;
949  }
950  continue;
951  }
952  }
953  prev=root;
954  root=IDNEXT(root);
955  }
956 }
957 static void iiRunInit(package p)
958 {
959  idhdl h=p->idroot->get("mod_init",0);
960  if (h==NULL) return;
961  if (IDTYP(h)==PROC_CMD)
962  {
963  int save=yylineno;
964  myynest++;
965  // procinfo *pi=(procinfo*)IDDATA(h);
966  //PrintS("mod_init found\n");
967  iiMake_proc(h,p,NULL);
968  myynest--;
969  yylineno=save;
970  }
971 }
972 /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
973 BOOLEAN iiLoadLIB(FILE *fp, const char *libnamebuf, const char*newlib,
974  idhdl pl, BOOLEAN autoexport, BOOLEAN tellerror)
975 {
976  EXTERN_VAR FILE *yylpin;
977  libstackv ls_start = library_stack;
978  lib_style_types lib_style;
979 
980  yylpin = fp;
981  #if YYLPDEBUG > 1
982  print_init();
983  #endif
984  EXTERN_VAR int lpverbose;
986  else lpverbose=0;
987  // yylplex sets also text_buffer
988  if (text_buffer!=NULL) *text_buffer='\0';
989  yylplex(newlib, libnamebuf, &lib_style, pl, autoexport);
990  if(yylp_errno)
991  {
992  Werror("Library %s: ERROR occurred: in line %d, %d.", newlib, yylplineno,
993  current_pos(0));
995  {
999  }
1000  else
1002  WerrorS("Cannot load library,... aborting.");
1003  reinit_yylp();
1004  fclose( yylpin );
1006  return TRUE;
1007  }
1008  if (BVERBOSE(V_LOAD_LIB))
1009  Print( "// ** loaded %s %s\n", libnamebuf, text_buffer);
1010  if( (lib_style == OLD_LIBSTYLE) && (BVERBOSE(V_LOAD_LIB)))
1011  {
1012  Warn( "library %s has old format. This format is still accepted,", newlib);
1013  WarnS( "but for functionality you may wish to change to the new");
1014  WarnS( "format. Please refer to the manual for further information.");
1015  }
1016  reinit_yylp();
1017  fclose( yylpin );
1018  fp = NULL;
1019  iiRunInit(IDPACKAGE(pl));
1020 
1021  {
1022  libstackv ls;
1023  for(ls = library_stack; (ls != NULL) && (ls != ls_start); )
1024  {
1025  if(ls->to_be_done)
1026  {
1027  ls->to_be_done=FALSE;
1028  iiLibCmd(ls->get(),autoexport,tellerror,FALSE);
1029  ls = ls->pop(newlib);
1030  }
1031  }
1032 #if 0
1033  PrintS("--------------------\n");
1034  for(ls = library_stack; ls != NULL; ls = ls->next)
1035  {
1036  Print("%s: LIB-stack:(%d), %s %s\n", newlib, ls->cnt, ls->get(),
1037  ls->to_be_done ? "not loaded" : "loaded");
1038  }
1039  PrintS("--------------------\n");
1040 #endif
1041  }
1042 
1043  if(fp != NULL) fclose(fp);
1044  return FALSE;
1045 }
1046 
1047 
1048 /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
1050  const char *procname, int, long pos, BOOLEAN pstatic)
1051 {
1052  memset(pi,0,sizeof(*pi));
1053  pi->libname = omStrDup(libname);
1054  pi->procname = omStrDup(procname);
1055  pi->language = LANG_SINGULAR;
1056  pi->ref = 1;
1057  pi->is_static = pstatic;
1058  pi->data.s.proc_start = pos;
1059  return(pi);
1060 }
1061 
1062 /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
1063 int iiAddCproc(const char *libname, const char *procname, BOOLEAN pstatic,
1064  BOOLEAN(*func)(leftv res, leftv v))
1065 {
1066  procinfov pi;
1067  idhdl h;
1068 
1069  #ifndef SING_NDEBUG
1070  int dummy;
1071  if (IsCmd(procname,dummy))
1072  {
1073  Werror(">>%s< is a reserved name",procname);
1074  return 0;
1075  }
1076  #endif
1077 
1078  h=IDROOT->get(procname,0);
1079  if ((h!=NULL)
1080  && (IDTYP(h)==PROC_CMD))
1081  {
1082  pi = IDPROC(h);
1083  #if 0
1084  if ((pi->language == LANG_SINGULAR)
1085  &&(BVERBOSE(V_REDEFINE)))
1086  Warn("extend `%s`",procname);
1087  #endif
1088  }
1089  else
1090  {
1091  h = enterid(procname,0, PROC_CMD, &IDROOT, TRUE);
1092  }
1093  if ( h!= NULL )
1094  {
1095  pi = IDPROC(h);
1096  if((pi->language == LANG_SINGULAR)
1097  ||(pi->language == LANG_NONE))
1098  {
1099  omfree(pi->libname);
1100  pi->libname = omStrDup(libname);
1101  omfree(pi->procname);
1102  pi->procname = omStrDup(procname);
1103  pi->language = LANG_C;
1104  pi->ref = 1;
1105  pi->is_static = pstatic;
1106  pi->data.o.function = func;
1107  }
1108  else if(pi->language == LANG_C)
1109  {
1110  if(pi->data.o.function == func)
1111  {
1112  pi->ref++;
1113  }
1114  else
1115  {
1116  omfree(pi->libname);
1117  pi->libname = omStrDup(libname);
1118  omfree(pi->procname);
1119  pi->procname = omStrDup(procname);
1120  pi->language = LANG_C;
1121  pi->ref = 1;
1122  pi->is_static = pstatic;
1123  pi->data.o.function = func;
1124  }
1125  }
1126  else
1127  Warn("internal error: unknown procedure type %d",pi->language);
1128  if (currPack->language==LANG_SINGULAR) currPack->language=LANG_MIX;
1129  return(1);
1130  }
1131  else
1132  {
1133  WarnS("iiAddCproc: failed.");
1134  }
1135  return(0);
1136 }
1137 
1138 int iiAddCprocTop(const char *libname, const char *procname, BOOLEAN pstatic,
1139  BOOLEAN(*func)(leftv res, leftv v))
1140 {
1141  int r=iiAddCproc(libname,procname,pstatic,func);
1142  package s=currPack;
1144  if (r) r=iiAddCproc(libname,procname,pstatic,func);
1145  currPack=s;
1146  return r;
1147 }
1148 
1149 /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
1150 #ifdef HAVE_DYNAMIC_LOADING
1151 #include <map>
1152 #include <string>
1153 #include <pthread.h>
1154 
1155 THREAD_VAR std::map<std::string, void *> *dyn_modules;
1156 
1157 bool registered_dyn_module(char *fullname) {
1158  if (dyn_modules == NULL)
1159  return false;
1160  std::string fname = fullname;
1161  return dyn_modules->count(fname) != 0;
1162 }
1163 
1164 void register_dyn_module(char *fullname, void * handle) {
1165  std::string fname = fullname;
1166  if (dyn_modules == NULL)
1167  dyn_modules = new std::map<std::string, void *>();
1168  dyn_modules->insert(std::pair<std::string, void *>(fname, handle));
1169 }
1170 
1172  for (std::map<std::string, void *>::iterator it = dyn_modules->begin();
1173  it != dyn_modules->end();
1174  it++)
1175  {
1176  dynl_close(it->second);
1177  }
1178  delete dyn_modules;
1179  dyn_modules = NULL;
1180 }
1181 BOOLEAN load_modules_aux(const char *newlib, char *fullname, BOOLEAN autoexport)
1182 {
1183 /*
1184  typedef int (*fktn_t)(int(*iiAddCproc)(const char *libname, const char *procname,
1185  BOOLEAN pstatic,
1186  BOOLEAN(*func)(leftv res, leftv v)));
1187 */
1188  SModulFunc_t fktn;
1189  idhdl pl;
1190  char *plib = iiConvName(newlib);
1191  BOOLEAN RET=TRUE;
1192  int token;
1193  int l=si_max((int)strlen(fullname),(int)strlen(newlib))+3;
1194  char *FullName=(char*)omAlloc0(l);
1195 
1196  if( *fullname != '/' && *fullname != '.' )
1197  sprintf(FullName, "./%s", newlib);
1198  else strncpy(FullName, fullname,l);
1199 
1200 
1201  if(IsCmd(plib, token))
1202  {
1203  Werror("'%s' is resered identifier\n", plib);
1204  goto load_modules_end;
1205  }
1206  pl = basePack->idroot->get(plib,0); /* packages only in top level
1207  (see enterid) */
1208  if ((pl!=NULL)
1209  &&(IDTYP(pl)==PACKAGE_CMD))
1210  {
1211  if(IDPACKAGE(pl)->language==LANG_C)
1212  {
1213  if (BVERBOSE(V_LOAD_LIB)) Warn( "%s already loaded as package", newlib);
1214  omFreeBinAddr(plib);
1215  return FALSE;
1216  }
1217  else if(IDPACKAGE(pl)->language==LANG_MIX)
1218  {
1219  if (BVERBOSE(V_LOAD_LIB)) Warn( "%s contain binary parts, cannot load", newlib);
1220  omFreeBinAddr(plib);
1221  return FALSE;
1222  }
1223  }
1224  else
1225  {
1226  pl = enterid( plib,0, PACKAGE_CMD, &IDROOT, TRUE );
1227  omFreeBinAddr(plib); /* enterid copied plib*/
1228  IDPACKAGE(pl)->libname=omStrDup(newlib);
1229  }
1230  IDPACKAGE(pl)->language = LANG_C;
1231  if (dynl_check_opened(FullName))
1232  {
1233  if (BVERBOSE(V_LOAD_LIB)) Warn( "%s already loaded as C library", fullname);
1234  omFreeSize(FullName,l);
1235  return FALSE;
1236  }
1237  if((IDPACKAGE(pl)->handle=dynl_open(FullName))==(void *)NULL)
1238  {
1239  Werror("dynl_open failed:%s", dynl_error());
1240  Werror("%s not found", newlib);
1241  killhdl2(pl,&(basePack->idroot),NULL); // remove package
1242  goto load_modules_end;
1243  }
1244  else
1245  {
1246  SModulFunctions sModulFunctions;
1247 
1248  package s=currPack;
1249  currPack=IDPACKAGE(pl);
1250  fktn = (SModulFunc_t)dynl_sym(IDPACKAGE(pl)->handle, "mod_init");
1251  if( fktn!= NULL)
1252  {
1253  sModulFunctions.iiArithAddCmd = iiArithAddCmd;
1254  if (autoexport) sModulFunctions.iiAddCproc = iiAddCprocTop;
1255  else sModulFunctions.iiAddCproc = iiAddCproc;
1256  int ver=(*fktn)(&sModulFunctions);
1257  if (ver==MAX_TOK)
1258  {
1259  if (BVERBOSE(V_LOAD_LIB)) Print( "// ** loaded %s\n", fullname);
1260  }
1261  else
1262  {
1263  Warn("loaded %s for a different version of Singular(expected MAX_TOK: %d, got %d)",fullname,MAX_TOK,ver);
1264  }
1265  currPack->loaded=1;
1266  currPack=s; /* reset currPack to previous */
1267  register_dyn_module(fullname, IDPACKAGE(pl)->handle);
1268  RET=FALSE;
1269  }
1270  else
1271  {
1272  Werror("mod_init not found:: %s\nThis is probably not a dynamic module for Singular!\n", dynl_error());
1273  errorreported=0;
1274  if(IDPACKAGE(pl)->idroot==NULL)
1275  killhdl2(pl,&(basePack->idroot),NULL); // remove package
1276  }
1277  }
1278 
1279  load_modules_end:
1280  omFreeSize(FullName,l);
1281  return RET;
1282 }
1283 
1284 BOOLEAN load_modules(const char *newlib, char *fullname, BOOLEAN autoexport)
1285 {
1286  GLOBAL_VAR static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
1287  pthread_mutex_lock(&mutex);
1288  BOOLEAN r = load_modules_aux(newlib, fullname, autoexport);
1289  pthread_mutex_unlock(&mutex);
1290  return r;
1291 }
1292 #endif /* HAVE_DYNAMIC_LOADING */
1293 /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
1294 BOOLEAN load_builtin(const char *newlib, BOOLEAN autoexport, SModulFunc_t init)
1295 {
1296  int iiAddCproc(const char *libname, const char *procname, BOOLEAN pstatic,
1297  BOOLEAN(*func)(leftv res, leftv v));
1298 /*
1299  typedef int (*fktn_t)(int(*iiAddCproc)(const char *libname, const char *procname,
1300  BOOLEAN pstatic,
1301  BOOLEAN(*func)(leftv res, leftv v)));
1302 */
1303  // SModulFunc_t fktn;
1304  idhdl pl;
1305  char *plib = iiConvName(newlib);
1306  // BOOLEAN RET=TRUE;
1307  // int token;
1308 
1309  pl = basePack->idroot->get(plib,0); // search PACKAGE only in Top
1310  if ((pl!=NULL)
1311  &&(IDTYP(pl)==PACKAGE_CMD))
1312  {
1313  if(IDPACKAGE(pl)->language==LANG_C)
1314  {
1315  if (BVERBOSE(V_LOAD_LIB)) Warn( "(builtin) %s already loaded", newlib);
1316  omFreeBinAddr(plib);
1317  return FALSE;
1318  }
1319  }
1320  else
1321  {
1322  pl = enterid( plib,0, PACKAGE_CMD, &IDROOT, TRUE );
1323  IDPACKAGE(pl)->libname=omStrDup(newlib);
1324  }
1325  omFreeBinAddr(plib);
1326  IDPACKAGE(pl)->language = LANG_C;
1327 
1328  IDPACKAGE(pl)->handle=(void *)NULL;
1329  SModulFunctions sModulFunctions;
1330 
1331  package s=currPack;
1332  currPack=IDPACKAGE(pl);
1333  if( init!= NULL)
1334  {
1335  sModulFunctions.iiArithAddCmd = iiArithAddCmd;
1336  if (autoexport) sModulFunctions.iiAddCproc = iiAddCprocTop;
1337  else sModulFunctions.iiAddCproc = iiAddCproc;
1338  (*init)(&sModulFunctions);
1339  }
1340  if (BVERBOSE(V_LOAD_LIB)) Print( "// ** loaded (builtin) %s \n", newlib);
1341  currPack->loaded=1;
1342  currPack=s;
1343 
1344  return FALSE;
1345 }
1346 /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
1347 void module_help_main(const char *newlib,const char *help)
1348 {
1349  char *plib = iiConvName(newlib);
1350  idhdl pl = basePack->idroot->get(plib,0);
1351  if ((pl==NULL)||(IDTYP(pl)!=PACKAGE_CMD))
1352  Werror(">>%s<< is not a package (trying to add package help)",plib);
1353  else
1354  {
1355  package s=currPack;
1356  currPack=IDPACKAGE(pl);
1357  idhdl h=enterid("info",0,STRING_CMD,&IDROOT,FALSE);
1358  IDSTRING(h)=omStrDup(help);
1359  currPack=s;
1360  }
1361 }
1362 void module_help_proc(const char *newlib,const char *p, const char *help)
1363 {
1364  char *plib = iiConvName(newlib);
1365  idhdl pl = basePack->idroot->get(plib,0);
1366  if ((pl==NULL)||(IDTYP(pl)!=PACKAGE_CMD))
1367  Werror(">>%s<< is not a package(trying to add help for %s)",plib,p);
1368  else
1369  {
1370  package s=currPack;
1371  currPack=IDPACKAGE(pl);
1372  char buff[SINGULAR_PATH_LENGTH];
1373  buff[SINGULAR_PATH_LENGTH-1]='\0';
1374  strncpy(buff,p,SINGULAR_PATH_LENGTH-1);
1375  strncat(buff,"_help",SINGULAR_PATH_LENGTH-1-strlen(p));
1376  idhdl h=enterid(buff,0,STRING_CMD,&IDROOT,FALSE);
1377  IDSTRING(h)=omStrDup(help);
1378  currPack=s;
1379  }
1380 }
1381 /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
1382 
1383 #ifdef HAVE_DYNAMIC_LOADING
1384 // loads a dynamic module from the binary path and returns a named function
1385 // returns NULL, if something fails
1386 void* binary_module_function(const char* newlib, const char* funcname)
1387 {
1388  void* result = NULL;
1389 
1390  const char* bin_dir = feGetResource('b');
1391  if (!bin_dir) { return NULL; }
1392 
1393  char path_name[MAXPATHLEN];
1394  sprintf(path_name, "%s%s%s.%s", bin_dir, DIR_SEPP, newlib, MODULE_SUFFIX_STRING);
1395 
1396  void* openlib = dynl_open(path_name);
1397  if(!openlib)
1398  {
1399  Werror("dynl_open of %s failed:%s", path_name, dynl_error());
1400  return NULL;
1401  }
1402  result = dynl_sym(openlib, funcname);
1403  if (!result) Werror("%s: %s\n", funcname, dynl_error());
1404 
1405  return result;
1406 }
1407 #endif
1408 
1409 /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
1410 char mytoupper(char c)
1411 {
1412  if(c>=97 && c<=(97+26)) c-=32;
1413  return(c);
1414 }
1415 
1416 char mytolower(char c)
1417 {
1418  if(c>=65 && c<=(65+26)) c+=32;
1419  return(c);
1420 }
1421 
1422 /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
1423 //#if defined(WINNT)
1424 //# define FS_SEP '\\'
1425 //#else
1426 //# define FS_SEP '/'
1427 //#endif
1428 
1429 char *iiConvName(const char *libname)
1430 {
1431  char *tmpname = omStrDup(libname);
1432  char *p = strrchr(tmpname, DIR_SEP);
1433  char *r;
1434  if(p==NULL) p = tmpname; else p++;
1435  // p is now the start of the file name (without path)
1436  r=p;
1437  while(isalnum(*r)||(*r=='_')) r++;
1438  // r point the the end of the main part of the filename
1439  *r = '\0';
1440  r = omStrDup(p);
1441  *r = mytoupper(*r);
1442  // printf("iiConvName: '%s' '%s' => '%s'\n", libname, tmpname, r);
1443  omFree((ADDRESS)tmpname);
1444 
1445  return(r);
1446 }
1447 
1448 /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
1449 #if 0 /* debug only */
1450 void piShowProcList()
1451 {
1452  idhdl h;
1453  procinfo *proc;
1454  char *name;
1455 
1456  Print( "%-15s %20s %s,%s %s,%s %s,%s\n", "Library", "function",
1457  "line", "start", "line", "body", "line", "example");
1458  for(h = IDROOT; h != NULL; h = IDNEXT(h))
1459  {
1460  if(IDTYP(h) == PROC_CMD)
1461  {
1462  proc = IDPROC(h);
1463  if(strcmp(proc->procname, IDID(h))!=0)
1464  {
1465  name = (char *)omAlloc(strlen(IDID(h))+strlen(proc->procname)+4);
1466  sprintf(name, "%s -> %s", IDID(h), proc->procname);
1467  Print( "%d %-15s %20s ", proc->is_static ? 1 : 0, proc->libname, name);
1468  omFree((ADDRESS)name);
1469  }
1470  else
1471  Print( "%d %-15s %20s ", proc->is_static ? 1 : 0, proc->libname,
1472  proc->procname);
1473  if(proc->language==LANG_SINGULAR)
1474  Print("line %-5ld %4d,%-5ld %4d,%-5ld\n",
1475  proc->data.s.proc_start,
1476  proc->data.s.body_lineno, proc->data.s.body_start,
1477  proc->data.s.example_lineno, proc->data.s.example_start);
1478  else if(proc->language==LANG_C)
1479  PrintS("type: object\n");
1480  }
1481  }
1482 }
1483 #endif
1484 
1485 /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
1486 //char *iiLineNo(char *procname, int lineno)
1487 //{
1488 // char buf[256];
1489 // idhdl pn = ggetid(procname);
1490 // procinfo *pi = IDPROC(pn);
1491 //
1492 // sprintf(buf, "%s %3d\0", procname, lineno);
1493 // //sprintf(buf, "%s::%s %3d\0", pi->libname, pi->procname,
1494 // // lineno + pi->data.s.body_lineno);
1495 // return(buf);
1496 //}
1497 /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
1498 #ifdef HAVE_LIBPARSER
1499 void libstack::push(const char */*p*/, char *libn)
1500 {
1501  libstackv lp;
1502  if( !iiGetLibStatus(libn))
1503  {
1504  for(lp = this;lp!=NULL;lp=lp->next)
1505  {
1506  if(strcmp(lp->get(), libn)==0) break;
1507  }
1508  if(lp==NULL)
1509  {
1511  ls->next = this;
1512  ls->libname = omStrDup(libn);
1513  ls->to_be_done = TRUE;
1514  if(library_stack != NULL) ls->cnt = library_stack->cnt+1; else ls->cnt = 0;
1515  library_stack = ls;
1516  }
1517  }
1518 }
1519 
1520 libstackv libstack::pop(const char */*p*/)
1521 {
1522  libstackv ls = this;
1523  omFree((ADDRESS)ls->libname);
1524  library_stack = ls->next;
1526  return(library_stack);
1527 }
1528 
1529 #endif /* HAVE_LIBPARSER */
1530 /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
static int si_max(const int a, const int b)
Definition: auxiliary.h:124
int BOOLEAN
Definition: auxiliary.h:87
#define TRUE
Definition: auxiliary.h:100
#define FALSE
Definition: auxiliary.h:96
void * ADDRESS
Definition: auxiliary.h:119
CanonicalForm head(const CanonicalForm &f)
int l
Definition: cfEzgcd.cc:100
int i
Definition: cfEzgcd.cc:132
int p
Definition: cfModGcd.cc:4078
CanonicalForm fp
Definition: cfModGcd.cc:4102
unsigned char * proc[NUM_PROC]
Definition: checklibs.c:16
char name() const
Definition: variable.cc:122
Definition: idrec.h:35
idhdl next
Definition: idrec.h:38
const char * id
Definition: idrec.h:39
void push(const char *p, char *libname)
Definition: iplib.cc:1499
libstackv next
Definition: subexpr.h:164
libstackv pop(const char *p)
Definition: iplib.cc:1520
int cnt
Definition: subexpr.h:167
char * get()
Definition: subexpr.h:170
char * libname
Definition: subexpr.h:165
BOOLEAN to_be_done
Definition: subexpr.h:166
void pop()
Definition: ipid.cc:813
void push(char *)
Definition: ipid.cc:803
Class used for (list of) interpreter objects.
Definition: subexpr.h:83
int rtyp
Definition: subexpr.h:91
void Init()
Definition: subexpr.h:107
BOOLEAN RingDependend()
Definition: subexpr.cc:418
leftv next
Definition: subexpr.h:86
void * data
Definition: subexpr.h:88
void CleanUp(ring r=currRing)
Definition: subexpr.cc:348
#define Print
Definition: emacs.cc:80
#define Warn
Definition: emacs.cc:77
#define WarnS
Definition: emacs.cc:78
return result
Definition: facAbsBiFact.cc:75
const CanonicalForm int s
Definition: facAbsFact.cc:51
CanonicalForm res
Definition: facAbsFact.cc:60
const Variable & v
< [in] a sqrfree bivariate poly
Definition: facBivar.h:39
char name(const Variable &v)
Definition: factory.h:189
VAR short errorreported
Definition: feFopen.cc:23
void WerrorS(const char *s)
Definition: feFopen.cc:24
FILE * feFopen(const char *path, const char *mode, char *where, short useWerror, short path_only)
Definition: feFopen.cc:47
size_t myfread(void *ptr, size_t size, size_t nmemb, FILE *stream)
Definition: feFopen.cc:195
char * feGetResource(const char id, int warn)
Definition: feResource.cc:148
#define DIR_SEPP
Definition: feResource.h:7
#define DIR_SEP
Definition: feResource.h:6
VAR int yylineno
Definition: febase.cc:40
VAR int si_echo
Definition: febase.cc:35
VAR int myynest
Definition: febase.cc:41
void newBuffer(char *s, feBufferTypes t, procinfo *pi, int lineno)
Definition: fevoices.cc:166
feBufferTypes
Definition: fevoices.h:17
@ BT_example
Definition: fevoices.h:21
@ BT_proc
Definition: fevoices.h:20
#define THREAD_VAR
Definition: globaldefs.h:12
#define GLOBAL_VAR
Definition: globaldefs.h:11
#define EXTERN_VAR
Definition: globaldefs.h:6
#define INST_VAR
Definition: globaldefs.h:8
#define VAR
Definition: globaldefs.h:5
@ IDEAL_CMD
Definition: grammar.cc:284
@ PROC_CMD
Definition: grammar.cc:280
@ RING_CMD
Definition: grammar.cc:281
int yyparse(void)
Definition: grammar.cc:2111
ideal idCopy(ideal A)
Definition: ideals.h:60
int IsCmd(const char *n, int &tok)
Definition: iparith.cc:9503
idhdl ggetid(const char *n)
Definition: ipid.cc:581
void killhdl2(idhdl h, idhdl *ih, ring r)
Definition: ipid.cc:445
idhdl enterid(const char *s, int lev, int t, idhdl *root, BOOLEAN init, BOOLEAN search)
Definition: ipid.cc:279
VAR package basePack
Definition: ipid.cc:58
VAR omBin idrec_bin
Definition: ipid.cc:48
VAR proclevel * procstack
Definition: ipid.cc:52
VAR idhdl currRingHdl
Definition: ipid.cc:59
VAR package currPack
Definition: ipid.cc:57
void killhdl(idhdl h, package proot)
Definition: ipid.cc:414
VAR idhdl currPackHdl
Definition: ipid.cc:55
idhdl packFindHdl(package r)
Definition: ipid.cc:831
#define IDSTRING(a)
Definition: ipid.h:136
#define IDNEXT(a)
Definition: ipid.h:118
EXTERN_VAR omBin sleftv_bin
Definition: ipid.h:145
#define IDDATA(a)
Definition: ipid.h:126
const struct soptionStruct verboseStruct[]
Definition: misc_ip.cc:538
#define IDPROC(a)
Definition: ipid.h:140
#define IDID(a)
Definition: ipid.h:122
#define IDROOT
Definition: ipid.h:19
#define IDPACKAGE(a)
Definition: ipid.h:139
#define IDLEV(a)
Definition: ipid.h:121
unsigned setval
Definition: ipid.h:153
int(* SModulFunc_t)(SModulFunctions *)
Definition: ipid.h:81
#define IDRING(a)
Definition: ipid.h:127
const struct soptionStruct optionStruct[]
Definition: misc_ip.cc:507
#define IDTYP(a)
Definition: ipid.h:119
int iiAddCproc(const char *libname, const char *procname, BOOLEAN pstatic, BOOLEAN(*func)(leftv res, leftv v))
Definition: iplib.cc:1063
char * iiProcName(char *buf, char &ct, char *&e)
Definition: iplib.cc:100
#define SI_MAX_NEST
Definition: iplib.cc:27
void yylprestart(FILE *input_file)
bool registered_dyn_module(char *fullname)
Definition: iplib.cc:1157
ideal ii_CallProcId2Id(const char *lib, const char *proc, ideal arg, const ring R)
Definition: iplib.cc:661
void register_dyn_module(char *fullname, void *handle)
Definition: iplib.cc:1164
BOOLEAN iiLoadLIB(FILE *fp, const char *libnamebuf, const char *newlib, idhdl pl, BOOLEAN autoexport, BOOLEAN tellerror)
Definition: iplib.cc:973
void * iiCallLibProc1(const char *n, void *arg, int arg_type, BOOLEAN &err)
Definition: iplib.cc:627
VAR int iiRETURNEXPR_len
Definition: iplib.cc:475
char * iiConvName(const char *libname)
Definition: iplib.cc:1429
static void iiCallLibProcEnd(idhdl save_ringhdl, ring save_ring)
Definition: iplib.cc:606
BOOLEAN iiEStart(char *example, procinfo *pi)
Definition: iplib.cc:754
#define SI_GET_BUILTIN_MOD_INIT0(name)
Definition: iplib.cc:799
int flint_mod_init(SModulFunctions *psModulFunctions)
Definition: misc_ip.cc:1281
BOOLEAN load_modules_aux(const char *newlib, char *fullname, BOOLEAN autoexport)
Definition: iplib.cc:1181
static void iiCheckNest()
Definition: iplib.cc:493
int current_pos(int i=0)
Definition: libparse.cc:3346
#define SI_GET_BUILTIN_MOD_INIT(name)
BOOLEAN iiLibCmd(const char *newlib, BOOLEAN autoexport, BOOLEAN tellerror, BOOLEAN force)
Definition: iplib.cc:884
BOOLEAN iiGetLibStatus(const char *lib)
Definition: iplib.cc:77
leftv ii_CallLibProcM(const char *n, void **args, int *arg_types, const ring R, BOOLEAN &err)
args: NULL terminated array of arguments arg_types: 0 terminated array of corresponding types
Definition: iplib.cc:701
void print_init()
Definition: libparse.cc:3482
BOOLEAN iiMake_proc(idhdl pn, package pack, leftv args)
Definition: iplib.cc:504
BOOLEAN iiTryLoadLib(leftv v, const char *id)
Definition: iplib.cc:823
procinfo * iiInitSingularProcinfo(procinfov pi, const char *libname, const char *procname, int, long pos, BOOLEAN pstatic)
Definition: iplib.cc:1049
#define MODULE_SUFFIX_STRING
Definition: iplib.cc:42
static void iiCleanProcs(idhdl &root)
Definition: iplib.cc:928
BOOLEAN load_modules(const char *newlib, char *fullname, BOOLEAN autoexport)
Definition: iplib.cc:1284
SI_FOREACH_BUILTIN(SI_GET_BUILTIN_MOD_INIT0) }
int ii_CallProcId2Int(const char *lib, const char *proc, ideal arg, const ring R)
Definition: iplib.cc:680
THREAD_VAR std::map< std::string, void * > * dyn_modules
Definition: iplib.cc:1155
VAR libstackv library_stack
Definition: iplib.cc:68
int iiAddCprocTop(const char *libname, const char *procname, BOOLEAN pstatic, BOOLEAN(*func)(leftv res, leftv v))
Definition: iplib.cc:1138
INST_VAR sleftv iiRETURNEXPR
Definition: iplib.cc:474
void close_all_dyn_modules()
Definition: iplib.cc:1171
char mytolower(char c)
Definition: iplib.cc:1416
#define SINGULAR_PATH_LENGTH
Definition: iplib.cc:21
const char * yylp_errlist[]
Definition: libparse.cc:1114
BOOLEAN load_builtin(const char *newlib, BOOLEAN autoexport, SModulFunc_t init)
Definition: iplib.cc:1294
EXTERN_VAR int yylplineno
Definition: iplib.cc:65
char * iiProcArgs(char *e, BOOLEAN withParenth)
Definition: iplib.cc:114
BOOLEAN iiLocateLib(const char *lib, char *where)
Definition: iplib.cc:870
SModulFunc_t iiGetBuiltinModInit(const char *libname)
Definition: iplib.cc:807
VAR ring * iiLocalRing
Definition: iplib.cc:473
void module_help_main(const char *newlib, const char *help)
Definition: iplib.cc:1347
static void iiShowLevRings()
Definition: iplib.cc:478
BOOLEAN iiAllStart(procinfov pi, const char *p, feBufferTypes t, int l)
Definition: iplib.cc:298
void * binary_module_function(const char *newlib, const char *funcname)
Definition: iplib.cc:1386
static void iiCallLibProcBegin()
Definition: iplib.cc:589
void module_help_proc(const char *newlib, const char *p, const char *help)
Definition: iplib.cc:1362
static void iiRunInit(package p)
Definition: iplib.cc:957
char * iiGetLibProcBuffer(procinfo *pi, int part)
Definition: iplib.cc:197
EXTERN_VAR int yylp_errno
Definition: iplib.cc:64
BOOLEAN iiPStart(idhdl pn, leftv v)
Definition: iplib.cc:371
char mytoupper(char c)
Definition: iplib.cc:1410
int iiArithAddCmd(const char *szName, short nAlias, short nTokval, short nToktype, short nPos)
Definition: iparith.cc:9848
VAR idhdl iiCurrProc
Definition: ipshell.cc:81
void iiCheckPack(package &p)
Definition: ipshell.cc:1630
void killlocals(int v)
Definition: ipshell.cc:386
VAR leftv iiCurrArgs
Definition: ipshell.cc:80
idhdl rFindHdl(ring r, idhdl n)
Definition: ipshell.cc:1701
void rSetHdl(idhdl h)
Definition: ipshell.cc:5125
STATIC_VAR int offset
Definition: janet.cc:29
STATIC_VAR Poly * h
Definition: janet.cc:971
#define pi
Definition: libparse.cc:1145
#define help
Definition: libparse.cc:1230
#define string
Definition: libparse.cc:1252
void reinit_yylp()
Definition: libparse.cc:3376
VAR char * text_buffer
Definition: libparse.cc:1099
VAR int lpverbose
Definition: libparse.cc:1106
VAR char libnamebuf[1024]
Definition: libparse.cc:1098
lib_style_types
Definition: libparse.h:9
@ OLD_LIBSTYLE
Definition: libparse.h:9
#define YYLP_BAD_CHAR
Definition: libparse.h:93
int yylplex(const char *libname, const char *libfile, lib_style_types *lib_style, idhdl pl, BOOLEAN autoexport=FALSE, lp_modes=LOAD_LIB)
#define SEEK_SET
Definition: mod2.h:115
#define assume(x)
Definition: mod2.h:389
lib_types type_of_LIB(const char *newlib, char *libnamebuf)
Definition: mod_lib.cc:27
#define SI_MOD_INIT0(name)
Definition: mod_lib.h:4
void * dynl_sym(void *handle, const char *symbol)
Definition: mod_raw.cc:159
int dynl_check_opened(char *filename)
Definition: mod_raw.cc:135
const char * dynl_error()
Definition: mod_raw.cc:175
int dynl_close(void *handle)
Definition: mod_raw.cc:170
void * dynl_open(char *filename)
Definition: mod_raw.cc:142
lib_types
Definition: mod_raw.h:16
@ LT_HPUX
Definition: mod_raw.h:16
@ LT_SINGULAR
Definition: mod_raw.h:16
@ LT_BUILTIN
Definition: mod_raw.h:16
@ LT_ELF
Definition: mod_raw.h:16
@ LT_NOTFOUND
Definition: mod_raw.h:16
void init()
Definition: lintree.cc:864
#define omStrDup(s)
Definition: omAllocDecl.h:263
#define omfree(addr)
Definition: omAllocDecl.h:237
#define omFreeSize(addr, size)
Definition: omAllocDecl.h:260
#define omAlloc(size)
Definition: omAllocDecl.h:210
#define omreallocSize(addr, o_size, size)
Definition: omAllocDecl.h:231
#define omAllocBin(bin)
Definition: omAllocDecl.h:205
#define omAlloc0Bin(bin)
Definition: omAllocDecl.h:206
#define omFree(addr)
Definition: omAllocDecl.h:261
#define omAlloc0(size)
Definition: omAllocDecl.h:211
#define omFreeBin(addr, bin)
Definition: omAllocDecl.h:259
#define omFreeBinAddr(addr)
Definition: omAllocDecl.h:258
#define NULL
Definition: omList.c:12
#define MAXPATHLEN
Definition: omRet2Info.c:22
VAR unsigned si_opt_2
Definition: options.c:6
VAR unsigned si_opt_1
Definition: options.c:5
#define BVERBOSE(a)
Definition: options.h:35
#define TEST_V_ALLWARN
Definition: options.h:144
#define V_DEBUG_LIB
Definition: options.h:48
#define V_REDEFINE
Definition: options.h:45
#define V_LOAD_LIB
Definition: options.h:47
void rChangeCurrRing(ring r)
Definition: polys.cc:15
VAR ring currRing
Widely used global variable which specifies the current polynomial ring for Singular interpreter and ...
Definition: polys.cc:13
void PrintS(const char *s)
Definition: reporter.cc:284
void PrintLn()
Definition: reporter.cc:310
void Werror(const char *fmt,...)
Definition: reporter.cc:189
#define TRACE_SHOW_LINENO
Definition: reporter.h:31
#define TRACE_SHOW_LINE
Definition: reporter.h:33
EXTERN_VAR int traceit
Definition: reporter.h:24
EXTERN_VAR int traceit_stop
Definition: reporter.h:25
#define TRACE_SHOW_PROC
Definition: reporter.h:29
#define TRACE_SHOW_RINGS
Definition: reporter.h:36
static ring rIncRefCnt(ring r)
Definition: ring.h:843
static void rDecRefCnt(ring r)
Definition: ring.h:844
int status int void * buf
Definition: si_signals.h:59
#define R
Definition: sirandom.c:27
int(* iiArithAddCmd)(const char *szName, short nAlias, short nTokval, short nToktype, short nPos)
Definition: ipid.h:72
int(* iiAddCproc)(const char *libname, const char *procname, BOOLEAN pstatic, BOOLEAN(*func)(leftv res, leftv v))
Definition: ipid.h:70
ip_package * package
Definition: structs.h:43
sleftv * leftv
Definition: structs.h:57
#define BITSET
Definition: structs.h:16
#define loop
Definition: structs.h:75
VAR omBin libstack_bin
Definition: subexpr.cc:43
INST_VAR sleftv sLastPrinted
Definition: subexpr.cc:46
@ LANG_SINGULAR
Definition: subexpr.h:22
@ LANG_NONE
Definition: subexpr.h:22
@ LANG_MIX
Definition: subexpr.h:22
@ LANG_C
Definition: subexpr.h:22
@ PACKAGE_CMD
Definition: tok.h:149
@ STRING_CMD
Definition: tok.h:185
@ MAX_TOK
Definition: tok.h:218