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fevoices.cc File Reference
#include "kernel/mod2.h"
#include "omalloc/omalloc.h"
#include "misc/options.h"
#include "reporter/reporter.h"
#include "kernel/oswrapper/feread.h"
#include "Singular/fevoices.h"
#include "Singular/subexpr.h"
#include "Singular/ipshell.h"
#include "Singular/sdb.h"
#include "misc/mylimits.h"
#include <unistd.h>

Go to the source code of this file.

Macros

#define fePutChar(c)   fputc((unsigned char)(c),stdout)
 
#define MAX_FILE_BUFFER   4*4096
 
#define STDIN_FILENO   0
 

Functions

const char * VoiceName ()
 
int VoiceLine ()
 
void VoiceBackTrack ()
 
BOOLEAN newFile (char *fname)
 
void newBuffer (char *s, feBufferTypes t, procinfo *pi, int lineno)
 
BOOLEAN exitBuffer (feBufferTypes typ)
 
BOOLEAN contBuffer (feBufferTypes typ)
 
BOOLEAN exitVoice ()
 
static void feShowPrompt (void)
 
static int fePrintEcho (char *anf, char *)
 
int feReadLine (char *b, int l)
 
VoicefeInitStdin (Voice *pp)
 

Variables

VAR char fe_promptstr [] =" "
 
VAR FILE * File_Profiling =NULL
 
VAR FILE * File_Log =NULL
 
VAR BOOLEAN File_Log_written =FALSE
 
EXTERN_VAR int blocknest
 
VAR int yy_noeof =0
 
VAR int yy_blocklineno
 
VAR VoicecurrentVoice = NULL
 
const char sNoName_fe [] ="_"
 

Macro Definition Documentation

◆ fePutChar

#define fePutChar (   c)    fputc((unsigned char)(c),stdout)

Definition at line 27 of file fevoices.cc.

◆ MAX_FILE_BUFFER

#define MAX_FILE_BUFFER   4*4096

Definition at line 39 of file fevoices.cc.

◆ STDIN_FILENO

#define STDIN_FILENO   0

Definition at line 675 of file fevoices.cc.

Function Documentation

◆ contBuffer()

BOOLEAN contBuffer ( feBufferTypes  typ)

Definition at line 304 of file fevoices.cc.

305 {
306  //printf("contBuffer: %d(%s),(%x)\n",
307  // typ,BT_name[typ], currentVoice);
308  if (typ == BT_break) // valid inside for, while. may skip if, else
309  {
310  // first check for valid buffer type
312  loop
313  {
314  if ((p->typ != BT_if)
315  &&(p->typ != BT_else))
316  {
317  if (p->typ == BT_break /*typ*/)
318  {
319  while (p != currentVoice)
320  {
321  exitVoice();
322  }
324  currentVoice->fptr=0;
325  return FALSE;
326  }
327  else return TRUE;
328  }
329  if (p->prev==NULL) break;
330  p=p->prev;
331  }
332  }
333  return TRUE;
334 }
#define TRUE
Definition: auxiliary.h:100
#define FALSE
Definition: auxiliary.h:96
int p
Definition: cfModGcd.cc:4078
Definition: fevoices.h:59
int start_lineno
Definition: fevoices.h:75
long fptr
Definition: fevoices.h:70
VAR int yylineno
Definition: febase.cc:40
VAR Voice * currentVoice
Definition: fevoices.cc:49
BOOLEAN exitVoice()
Definition: fevoices.cc:341
@ BT_else
Definition: fevoices.h:25
@ BT_if
Definition: fevoices.h:24
@ BT_break
Definition: fevoices.h:19
#define NULL
Definition: omList.c:12
#define loop
Definition: structs.h:75

◆ exitBuffer()

BOOLEAN exitBuffer ( feBufferTypes  typ)

Definition at line 236 of file fevoices.cc.

237 {
238  //printf("exitBuffer: %d(%s),(%x)\n",
239  // typ,BT_name[typ], currentVoice);
240  //Voice *p=currentVoice;
241  //PrintS("-----------------\ncurr:");
242  //do
243  //{
244  //Print("voice fn:%s\n",p->filename);
245  //p=p->prev;
246  //}
247  //while (p!=NULL);
248  //PrintS("----------------\n");
249  if (typ == BT_break) // valid inside for, while. may skip if, else
250  {
251  /*4 first check for valid buffer type, skip if/else*/
253  loop
254  {
255  if ((p->typ != BT_if)
256  &&(p->typ != BT_else))
257  {
258  if (p->typ == BT_break /*typ*/)
259  {
260  while (p != currentVoice)
261  {
262  exitVoice();
263  }
264  exitVoice();
265  return FALSE;
266  }
267  else return TRUE;
268  }
269  if (p->prev==NULL) break;
270  p=p->prev;
271  }
272  /*4 break not inside a for/while: return an error*/
273  if (/*typ*/ BT_break != currentVoice->typ) return 1;
274  return exitVoice();
275  }
276 
277  if ((typ == BT_proc)
278  || (typ == BT_example))
279  {
281  loop
282  {
283  if ((p->typ == BT_proc)
284  || (p->typ == BT_example))
285  {
286  while (p != currentVoice)
287  {
288  exitVoice();
289  }
290  exitVoice();
291  return FALSE;
292  }
293  if (p->prev==NULL) break;
294  p=p->prev;
295  }
296  }
297  /*4 return not inside a proc: return an error*/
298  return TRUE;
299 }
feBufferTypes typ
Definition: fevoices.h:85
@ BT_example
Definition: fevoices.h:21
@ BT_proc
Definition: fevoices.h:20

◆ exitVoice()

BOOLEAN exitVoice ( )

Definition at line 341 of file fevoices.cc.

342 {
343  //printf("exitVoice: %d(%s),(%x)\n",
344  // currentVoice->typ,BT_name[currentVoice->typ], currentVoice);
345  //{
346  //Voice *p=currentVoice;
347  //PrintS("-----------------\ncurr:");
348  //do
349  //{
350  //Print("voice fn:%s\n",p->filename);
351  //p=p->prev;
352  //}
353  //while (p!=NULL);
354  //PrintS("----------------\n");
355  //}
356  if (currentVoice!=NULL)
357  {
358  if (currentVoice->oldb!=NULL)
359  {
362  }
363  if (currentVoice->filename!=NULL)
364  {
367  }
368  if (currentVoice->buffer!=NULL)
369  {
372  }
373  if ((currentVoice->prev==NULL)
374  &&(currentVoice->sw==BI_file)
375  &&(currentVoice->files!=stdin))
376  {
378  }
379  if (currentVoice->prev!=NULL)
380  {
381  //printf("exitVoice typ %d(%s)\n",
382  // currentVoice->typ,BT_name[currentVoice->typ]);
383  if (currentVoice->typ==BT_if)
384  {
385  currentVoice->prev->ifsw=2;
386  }
387  else
388  {
389  currentVoice->prev->ifsw=0;
390  }
391  if ((currentVoice->sw == BI_file)
392  && (currentVoice->files!=NULL))
393  {
394  fclose(currentVoice->files);
395  }
398  }
400  delete currentVoice;
401  currentVoice=p;
402  }
403  return currentVoice==NULL;
404 }
void * ADDRESS
Definition: auxiliary.h:119
int curr_lineno
Definition: fevoices.h:76
Voice * next
Definition: fevoices.h:61
FILE * files
Definition: fevoices.h:67
char * buffer
Definition: fevoices.h:69
char ifsw
Definition: fevoices.h:80
char * filename
Definition: fevoices.h:63
feBufferInputs sw
Definition: fevoices.h:77
void * oldb
Definition: fevoices.h:65
Voice * prev
Definition: fevoices.h:62
Voice * feInitStdin(Voice *pp)
Definition: fevoices.cc:677
@ BI_file
Definition: fevoices.h:32
void myyoldbuffer(void *oldb)
Definition: scanner.cc:2304
#define omFree(addr)
Definition: omAllocDecl.h:261

◆ feInitStdin()

Voice* feInitStdin ( Voice pp)

Definition at line 677 of file fevoices.cc.

678 {
679  Voice *p = new Voice;
680  p->files = stdin;
681  p->sw = (isatty(STDIN_FILENO)) ? BI_stdin : BI_file;
682  if ((pp!=NULL) && (pp->sw==BI_stdin) && (pp->files==stdin))
683  {
684  p->files=freopen("/dev/tty","r",stdin);
685  //stdin=p->files;
686  if (p->files==NULL)
687  {
688  p->files = stdin;
689  p->sw = BI_file;
690  }
691  else
692  p->sw = BI_stdin;
693  }
694  p->filename = omStrDup("STDIN");
695  p->start_lineno = 1;
697  omMarkAsStaticAddr(p->filename);
698  return p;
699 }
CanonicalForm FACTORY_PUBLIC pp(const CanonicalForm &)
CanonicalForm pp ( const CanonicalForm & f )
Definition: cf_gcd.cc:676
#define STDIN_FILENO
Definition: fevoices.cc:675
@ BI_stdin
Definition: fevoices.h:30
#define omStrDup(s)
Definition: omAllocDecl.h:263
void omMarkAsStaticAddr(void *addr)

◆ fePrintEcho()

static int fePrintEcho ( char *  anf,
char *   
)
static

Definition at line 418 of file fevoices.cc.

419 {
420  char *ss=strrchr(anf,'\n');
421  int len_s;
422  if (ss==NULL)
423  {
424  len_s=strlen(anf);
425  }
426  else
427  {
428  len_s=ss-anf+1;
429  }
430  // my_yylinebuf:
431  int mrc=si_min(len_s,79)-1;
432  strcpy(my_yylinebuf,anf+(len_s-1)-mrc);
433  if (my_yylinebuf[mrc] == '\n') my_yylinebuf[mrc] = '\0';
434  mrc--;
435  // handle echo:
436  if (((si_echo>myynest)
437  && ((currentVoice->typ==BT_proc)
439  || (currentVoice->typ==BT_file)
440  || (currentVoice->typ==BT_none)
441  )
442  && (strncmp(anf,";return();",10)!=0)
443  )
446  {
448  {
449  if (currentVoice->filename==NULL)
450  Print("(none) %3d%c ",yylineno,prompt_char);
451  else
453  }
454  {
455  fwrite(anf,1,len_s,stdout);
456  mflush();
457  }
459  {
460  char c;
461  do
462  {
463  c=fgetc(stdin);
464  if (c=='n') traceit_stop=1;
465  }
466  while(c!='\n');
467  }
468  }
469  else if (traceit&TRACE_SHOW_LINENO)
470  {
471  Print("{%d}",yylineno);
472  mflush();
473  }
474  else if (traceit&TRACE_PROFILING)
475  {
476  if (File_Profiling==NULL)
477  File_Profiling=fopen("smon.out","a");
478  if (File_Profiling==NULL)
479  traceit &= (~TRACE_PROFILING);
480  else
481  {
482  if (currentVoice->filename==NULL)
483  fprintf(File_Profiling,"(none) %d\n",yylineno);
484  else
485  fprintf(File_Profiling,"%s %d\n",currentVoice->filename,yylineno);
486  }
487  }
488 #ifdef HAVE_SDB
489  if ((blocknest==0)
490  && (currentVoice->pi!=NULL)
491  && (currentVoice->pi->trace_flag!=0))
492  {
493  sdb(currentVoice, anf, len_s);
494  }
495 #endif
496  prompt_char = '.';
497  return len_s;
498 }
static int si_min(const int a, const int b)
Definition: auxiliary.h:125
procinfo * pi
Definition: fevoices.h:64
#define Print
Definition: emacs.cc:80
VAR char my_yylinebuf[80]
Definition: febase.cc:44
VAR int si_echo
Definition: febase.cc:35
VAR int myynest
Definition: febase.cc:41
EXTERN_VAR char prompt_char
Definition: feread.h:10
VAR FILE * File_Profiling
Definition: fevoices.cc:32
EXTERN_VAR int blocknest
Definition: fevoices.cc:45
@ BT_none
Definition: fevoices.h:18
@ BT_file
Definition: fevoices.h:22
#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_LINE1
Definition: reporter.h:38
#define TRACE_PROFILING
Definition: reporter.h:50
#define mflush()
Definition: reporter.h:58
void sdb(Voice *currentVoice, const char *currLine, int len)
Definition: sdb.cc:198
char trace_flag
Definition: subexpr.h:62

◆ feReadLine()

int feReadLine ( char *  b,
int  l 
)

Definition at line 500 of file fevoices.cc.

501 {
502  char *s=NULL;
503  int offset = 0; /* will not be used if s==NULL*/
504  // try to read from the buffer into b, max l chars
505  if (currentVoice!=NULL)
506  {
507  if((currentVoice->buffer!=NULL)
508  && (currentVoice->buffer[currentVoice->fptr]!='\0'))
509  {
510  NewBuff:
511  REGISTER int i=0;
512  long startfptr=currentVoice->fptr;
513  long tmp_ptr=currentVoice->fptr;
514  l--;
515  loop
516  {
517  REGISTER char c=
518  b[i]=currentVoice->buffer[tmp_ptr/*currentVoice->fptr*/];
519  i++;
520  if (yy_noeof==noeof_block)
521  {
522  if (c<' ') yylineno++;
523  else if (c=='}') break;
524  }
525  else
526  {
527  if ((c<' ') ||
528  (c==';') ||
529  (c==')')
530  )
531  break;
532  }
533  if (i>=l) break;
534  tmp_ptr++;/*currentVoice->fptr++;*/
535  if(currentVoice->buffer[tmp_ptr/*currentVoice->fptr*/]=='\0') break;
536  }
537  currentVoice->fptr=tmp_ptr;
538  b[i]='\0';
539  if (currentVoice->sw==BI_buffer)
540  {
541  BOOLEAN show_echo=FALSE;
542  char *anf;
543  long len;
544  if (startfptr==0)
545  {
546  anf=currentVoice->buffer;
547  const char *ss=strchr(anf,'\n');
548  if (ss==NULL) len=strlen(anf);
549  else len=ss-anf;
550  show_echo=TRUE;
551  }
552  else if (/*(startfptr>0) &&*/
553  (currentVoice->buffer[startfptr-1]=='\n'))
554  {
555  anf=currentVoice->buffer+startfptr;
556  const char *ss=strchr(anf,'\n');
557  if (ss==NULL) len=strlen(anf);
558  else len=ss-anf;
559  yylineno++;
560  show_echo=TRUE;
561  }
562  if (show_echo)
563  {
564  char *s=(char *)omAlloc(len+2);
565  strncpy(s,anf,len+2);
566  s[len+1]='\0';
567  fePrintEcho(s,b);
568  omFree((ADDRESS)s);
569  }
570  }
571  currentVoice->fptr++;
572  return i;
573  }
574  // no buffer there or e-o-buffer or eoln:
575  if (currentVoice->sw!=BI_buffer)
576  {
577  currentVoice->fptr=0;
578  if (currentVoice->buffer==NULL)
579  {
583  }
584  }
585  offset=0;
586  NewRead:
587  yylineno++;
588  if (currentVoice->sw==BI_stdin)
589  {
590  feShowPrompt();
594  //int i=0;
595  //if (s!=NULL)
596  // while((s[i]!='\0') /*&& (i<MAX_FILE_BUFFER)*/) {s[i] &= (char)127;i++;}
597  }
598  else if (currentVoice->sw==BI_file)
599  {
603  if (s!=NULL)
604  {
606  // ftell returns -1 for non-seekable streams, such as pipes
607  if (currentVoice->ftellptr<0)
609  }
610  }
611  //else /* BI_buffer */ s==NULL => return 0
612  // done by the default return
613  }
614  if (s!=NULL)
615  {
616  // handle prot:
617  if (feProt&SI_PROT_I)
618  {
619  fputs(s,feProtFile);
620  }
621  if (File_Log!=NULL)
622  {
624  fputs(s,File_Log);
625  }
626  int rc=fePrintEcho(s,b)+1;
627  //s[strlen(s)+1]='\0'; add an second \0 at the end of the string
628  s[rc]='\0';
629  // handel \\ :
630  rc-=3; if (rc<0) rc=0;
631  if ((s[rc]=='\\')&&(currentVoice->sw!=BI_buffer))
632  {
633  s[rc]='\0';
634  offset+=rc;
635  if (offset<currentVoice->buff_size) goto NewRead;
636  }
637  goto NewBuff;
638  }
639  /* else if (s==NULL) */
640  {
641  const char *err;
642  switch(yy_noeof)
643  {
644  case noeof_brace:
645  case noeof_block:
646  err="{...}";
647  break;
648  case noeof_asstring:
649  err="till `.`";
650  break;
651  case noeof_string:
652  err="string";
653  break;
654  case noeof_bracket:
655  err="(...)";
656  break;
657  case noeof_procname:
658  err="proc";
659  break;
660  case noeof_comment:
661  err="/*...*/";
662  break;
663  default:
664  return 0;
665  }
666  Werror("premature end of file while reading %s",err);
667  return 0;
668  }
669 }
int BOOLEAN
Definition: auxiliary.h:87
int l
Definition: cfEzgcd.cc:100
int i
Definition: cfEzgcd.cc:132
CanonicalForm b
Definition: cfModGcd.cc:4103
long ftellptr
Definition: fevoices.h:71
int buff_size
Definition: fevoices.h:73
const CanonicalForm int s
Definition: facAbsFact.cc:51
char *(* fe_fgets_stdin)(const char *pr, char *s, int size)
Definition: feread.cc:32
#define MAX_FILE_BUFFER
Definition: fevoices.cc:39
VAR char fe_promptstr[]
Definition: fevoices.cc:31
VAR BOOLEAN File_Log_written
Definition: fevoices.cc:34
VAR FILE * File_Log
Definition: fevoices.cc:33
static int fePrintEcho(char *anf, char *)
Definition: fevoices.cc:418
VAR int yy_noeof
Definition: fevoices.cc:47
static void feShowPrompt(void)
Definition: fevoices.cc:410
@ BI_buffer
Definition: fevoices.h:31
@ noeof_string
Definition: fevoices.h:42
@ noeof_brace
Definition: fevoices.h:36
@ noeof_comment
Definition: fevoices.h:40
@ noeof_asstring
Definition: fevoices.h:37
@ noeof_block
Definition: fevoices.h:38
@ noeof_procname
Definition: fevoices.h:41
@ noeof_bracket
Definition: fevoices.h:39
STATIC_VAR int offset
Definition: janet.cc:29
#define SEEK_SET
Definition: mod2.h:115
#define omAlloc(size)
Definition: omAllocDecl.h:210
#define REGISTER
Definition: omalloc.h:27
VAR int feProt
Definition: reporter.cc:56
VAR FILE * feProtFile
Definition: reporter.cc:57
void Werror(const char *fmt,...)
Definition: reporter.cc:189
#define SI_PROT_I
Definition: reporter.h:53

◆ feShowPrompt()

static void feShowPrompt ( void  )
static

Definition at line 410 of file fevoices.cc.

411 {
413 }

◆ newBuffer()

void newBuffer ( char *  s,
feBufferTypes  t,
procinfo pi,
int  lineno 
)

Definition at line 166 of file fevoices.cc.

167 {
168  currentVoice->Next();
169  //Print(":Buffer%d(%s):%s(%x)\n",
170  // t,BT_name[t],pname,currentVoice);
171  if (pi!=NULL)
172  {
173  long l=strlen(pi->procname);
174  if (pi->libname!=NULL) l+=strlen(pi->libname);
175  currentVoice->filename = (char *)omAlloc(l+3);
176  *currentVoice->filename='\0';
177  if (pi->libname!=NULL) strcat(currentVoice->filename,pi->libname);
178  strcat(currentVoice->filename,"::");
179  strcat(currentVoice->filename,pi->procname);
180  currentVoice->pi = pi;
181  }
182  else
183  {
184  if(currentVoice->prev!=NULL)
185  {
188  }
189  else
190  {
192  currentVoice->pi = pi;
193  }
194  }
195  currentVoice->buffer = s;
197  currentVoice->typ = t;
198  switch (t)
199  {
200  case BT_execute:
201  yylineno-=2;
202  break;
203  case BT_proc:
204  case BT_example:
206  yylineno = lineno+1;
207  break;
208  case BT_if:
209  case BT_else:
210  case BT_break:
212  break;
213  //case BT_file:
214  default:
215  yylineno = 1;
216  break;
217  }
218  //Print("start body (%s) at line %d\n",BT_name[t],yylineno);
220  //printf("start buffer typ %d\n",t);
221  //Voice *p=currentVoice;
222  //PrintS("-----------------\ncurr:");
223  //do
224  //{
225  //Print("voice fn:%s\n",p->filename);
226  //p=p->prev;
227  //}
228  //while (p!=NULL);
229  //PrintS("----------------\n");
230 }
void Next()
Definition: fevoices.cc:94
VAR int yy_blocklineno
Definition: fevoices.cc:48
@ BT_execute
Definition: fevoices.h:23
void * myynewbuffer()
Definition: scanner.cc:2297
#define pi
Definition: libparse.cc:1145

◆ newFile()

BOOLEAN newFile ( char *  fname)

Definition at line 129 of file fevoices.cc.

130 {
131  currentVoice->Next();
132  //Print(":File%d(%s):%s(%x)\n",
133  // currentVoice->typ,BT_name[currentVoice->typ],fname,currentVoice);
134  currentVoice->filename = omStrDup(fname);
136  if (strcmp(fname,"STDIN") == 0)
137  {
138  currentVoice->files = stdin;
141  }
142  else
143  {
144  currentVoice->sw = BI_file; /* needed by exitVoice below */
145  currentVoice->files = feFopen(fname,"r",NULL,TRUE);
146  if (currentVoice->files==NULL)
147  {
148  exitVoice();
149  return TRUE;
150  }
152  }
154  //Voice *p=currentVoice;
155  //PrintS("-----------------\ncurr:");
156  //do
157  //{
158  //Print("voice fn:%s\n",p->filename);
159  //p=p->prev;
160  //}
161  //while (p!=NULL);
162  //PrintS("----------------\n");
163  return FALSE;
164 }
FILE * feFopen(const char *path, const char *mode, char *where, short useWerror, short path_only)
Definition: feFopen.cc:47

◆ VoiceBackTrack()

void VoiceBackTrack ( )

Definition at line 77 of file fevoices.cc.

78 {
80  while (p->prev!=NULL)
81  {
82  p=p->prev;
83  char *s=p->filename;
84  if (s==NULL)
85  PrintS("-- called from ? --\n");
86  else
87  Print("-- called from %s --\n",s);
88  }
89 }
void PrintS(const char *s)
Definition: reporter.cc:284

◆ VoiceLine()

int VoiceLine ( )

Definition at line 66 of file fevoices.cc.

67 {
68  if ((currentVoice!=NULL)
69  && (currentVoice->curr_lineno>=0))
70  return currentVoice->curr_lineno;
71  return -1;
72 }

◆ VoiceName()

const char* VoiceName ( )

Definition at line 58 of file fevoices.cc.

59 {
60  if ((currentVoice!=NULL)
61  && (currentVoice->filename!=NULL))
62  return currentVoice->filename;
63  return sNoName_fe;
64 }
const char sNoName_fe[]
Definition: fevoices.cc:57

Variable Documentation

◆ blocknest

EXTERN_VAR int blocknest

Definition at line 45 of file fevoices.cc.

◆ currentVoice

VAR Voice* currentVoice = NULL

Definition at line 49 of file fevoices.cc.

◆ fe_promptstr

VAR char fe_promptstr[] =" "

Definition at line 31 of file fevoices.cc.

◆ File_Log

VAR FILE* File_Log =NULL

Definition at line 33 of file fevoices.cc.

◆ File_Log_written

VAR BOOLEAN File_Log_written =FALSE

Definition at line 34 of file fevoices.cc.

◆ File_Profiling

VAR FILE* File_Profiling =NULL

Definition at line 32 of file fevoices.cc.

◆ sNoName_fe

const char sNoName_fe[] ="_"

Definition at line 57 of file fevoices.cc.

◆ yy_blocklineno

VAR int yy_blocklineno

Definition at line 48 of file fevoices.cc.

◆ yy_noeof

VAR int yy_noeof =0

Definition at line 47 of file fevoices.cc.