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feOpt.h File Reference
#include "Singular/fegetopt.h"
#include "Singular/feOptTab.h"
#include "Singular/feOpt.inc"

Go to the source code of this file.

Functions

void feOptHelp (const char *name)
 
void feOptDumpVersionTuple (void)
 
static void * feOptValue (feOptIndex opt)
 
int feOptValue (feOptIndex opt, char **val)
 
int feOptValue (feOptIndex opt, int *val)
 
feOptIndex feGetOptIndex (const char *name)
 
feOptIndex feGetOptIndex (int optc)
 
const char * feSetOptValue (feOptIndex opt, int optarg)
 
const char * feSetOptValue (feOptIndex opt, char *optarg)
 
void fePrintOptValues ()
 

Variables

const char SHORT_OPTS_STRING []
 
EXTERN_VAR struct fe_option feOptSpec []
 

Function Documentation

◆ feGetOptIndex() [1/2]

feOptIndex feGetOptIndex ( const char *  name)

Definition at line 104 of file feOpt.cc.

105 {
106  int opt = 0;
107 
108  while (opt != (int) FE_OPT_UNDEF)
109  {
110  if (strcmp(feOptSpec[opt].name, name) == 0)
111  return (feOptIndex) opt;
112  opt = opt + 1;
113  }
114  return FE_OPT_UNDEF;
115 }
char name(const Variable &v)
Definition: factory.h:196
feOptIndex
Definition: feOptGen.h:15
@ FE_OPT_UNDEF
Definition: feOptGen.h:15
EXTERN_VAR struct fe_option feOptSpec[]
Definition: feOpt.h:17

◆ feGetOptIndex() [2/2]

feOptIndex feGetOptIndex ( int  optc)

Definition at line 117 of file feOpt.cc.

118 {
119  int opt = 0;
120 
121  if (optc == LONG_OPTION_RETURN) return FE_OPT_UNDEF;
122 
123  while (opt != (int) FE_OPT_UNDEF)
124  {
125  if (feOptSpec[opt].val == optc)
126  return (feOptIndex) opt;
127  opt = opt + 1;
128  }
129  return FE_OPT_UNDEF;
130 }
#define LONG_OPTION_RETURN
Definition: feOptTab.h:4

◆ feOptDumpVersionTuple()

void feOptDumpVersionTuple ( void  )

Definition at line 423 of file feOpt.cc.

424 {
425  printf("%s\n",VERSION);
426 }
#define VERSION
Definition: factoryconf.h:282

◆ feOptHelp()

void feOptHelp ( const char *  name)

Definition at line 372 of file feOpt.cc.

373 {
374  int i = 0;
375  char tmp[60];
376 #if defined(ESINGULAR)
377  printf("ESingular starts up Singular within emacs;\n");
378 #elif defined(TSINGULAR)
379  printf("TSingular starts up Singular within a terminal window;\n");
380 #endif
381  printf("Singular is a Computer Algebra System (CAS) for Polynomial Computations.\n");
382  printf("Usage: %s [options] [file1 [file2 ...]]\n", name);
383  printf("Options:\n");
384 
385  while (feOptSpec[i].name != 0)
386  {
387  if (feOptSpec[i].help != NULL
388 #ifdef SING_NDEBUG
389  && *(feOptSpec[i].help) != '/'
390 #endif
391  )
392  {
393  if (feOptSpec[i].has_arg > 0)
394  {
395  if (feOptSpec[i].has_arg > 1)
396  sprintf(tmp, "%s[=%s]", feOptSpec[i].name, feOptSpec[i].arg_name);
397  else
398  sprintf(tmp, "%s=%s", feOptSpec[i].name, feOptSpec[i].arg_name);
399 
400  printf(" %c%c --%-20s %s\n",
401  (feOptSpec[i].val != LONG_OPTION_RETURN ? '-' : ' '),
402  (feOptSpec[i].val != LONG_OPTION_RETURN ? feOptSpec[i].val : ' '),
403  tmp,
404  feOptSpec[i].help);
405  }
406  else
407  {
408  printf(" %c%c --%-20s %s\n",
409  (feOptSpec[i].val != LONG_OPTION_RETURN ? '-' : ' '),
410  (feOptSpec[i].val != LONG_OPTION_RETURN ? feOptSpec[i].val : ' '),
411  feOptSpec[i].name,
412  feOptSpec[i].help);
413  }
414  }
415  i++;
416  }
417 
418  printf("\nFor more information, type `help;' from within Singular or visit\n");
419  printf("https://www.singular.uni-kl.de or consult the\n");
420  printf("Singular manual (available as on-line info or html manual).\n");
421 }
int i
Definition: cfEzgcd.cc:132
#define SING_NDEBUG
Definition: factoryconf.h:264
#define help
Definition: libparse.cc:1230
#define NULL
Definition: omList.c:12

◆ feOptValue() [1/3]

static void* feOptValue ( feOptIndex  opt)
inlinestatic

Definition at line 40 of file feOpt.h.

41 {
42  return feOptSpec[(int)opt].value;
43 }

◆ feOptValue() [2/3]

int feOptValue ( feOptIndex  opt,
char **  val 
)
inline

Definition at line 44 of file feOpt.h.

45 {
46  if (opt != FE_OPT_UNDEF && feOptSpec[(int)opt].type == feOptString)
47  {
48  *val = (char*) feOptSpec[(int)opt].value;
49  return TRUE;
50  }
51  *val = NULL;
52  return FALSE;
53 }
#define TRUE
Definition: auxiliary.h:100
#define FALSE
Definition: auxiliary.h:96
@ feOptString
Definition: fegetopt.h:77
void * value
Definition: fegetopt.h:93

◆ feOptValue() [3/3]

int feOptValue ( feOptIndex  opt,
int *  val 
)
inline

Definition at line 54 of file feOpt.h.

55 {
56  if (opt != FE_OPT_UNDEF && feOptSpec[(int)opt].type != feOptString)
57  {
58  *val = (int) ((long)(feOptSpec[(int)opt].value));
59  return TRUE;
60  }
61  *val = 0;
62  return FALSE;
63 }

◆ fePrintOptValues()

void fePrintOptValues ( )

Definition at line 337 of file feOpt.cc.

338 {
339  int i = 0;
340 
341  while (feOptSpec[i].name != 0)
342  {
343  if (feOptSpec[i].help != NULL && feOptSpec[i].type != feOptUntyped
344 #ifndef SING_NDEBUG
345  && *(feOptSpec[i].help) != '/'
346 #endif
347  )
348  {
349  if (feOptSpec[i].type == feOptString)
350  {
351  if (feOptSpec[i].value == NULL)
352  {
353  Print("// --%-15s\n", feOptSpec[i].name);
354  }
355  else
356  {
357  Print("// --%-15s \"%s\"\n", feOptSpec[i].name, (char*) feOptSpec[i].value);
358  }
359  }
360  else
361  {
362  Print("// --%-15s %d\n", feOptSpec[i].name, (int)(long)feOptSpec[i].value);
363  }
364  }
365  i++;
366  }
367 }
#define Print
Definition: emacs.cc:80
@ feOptUntyped
Definition: fegetopt.h:77

◆ feSetOptValue() [1/2]

const char* feSetOptValue ( feOptIndex  opt,
char *  optarg 
)

Definition at line 154 of file feOpt.cc.

155 {
156  if (opt == FE_OPT_UNDEF) return "option undefined";
157 
158  if (feOptSpec[opt].type != feOptUntyped)
159  {
160  if (feOptSpec[opt].type != feOptString)
161  {
162  if (optarg != NULL)
163  {
164  errno = 0;
165  feOptSpec[opt].value = (void*) strtol(optarg, NULL, 10);
166  if (errno) return "invalid integer argument";
167  }
168  else
169  {
170  feOptSpec[opt].value = (void*) 0;
171  }
172  }
173  else
174  {
175  assume(feOptSpec[opt].type == feOptString);
176  if (feOptSpec[opt].set && feOptSpec[opt].value != NULL)
177  omFree(feOptSpec[opt].value);
178  if (optarg != NULL)
179  feOptSpec[opt].value = omStrDup(optarg);
180  else
181  feOptSpec[opt].value = NULL;
182  feOptSpec[opt].set = 1;
183  }
184  }
185  return feOptAction(opt);
186 }
static const char * feOptAction(feOptIndex opt)
Definition: feOpt.cc:202
int set
Definition: fegetopt.h:94
#define assume(x)
Definition: mod2.h:387
#define omStrDup(s)
Definition: omAllocDecl.h:263
#define omFree(addr)
Definition: omAllocDecl.h:261

◆ feSetOptValue() [2/2]

const char* feSetOptValue ( feOptIndex  opt,
int  optarg 
)

Definition at line 188 of file feOpt.cc.

189 {
190  if (opt == FE_OPT_UNDEF) return "option undefined";
191 
192  if (feOptSpec[opt].type != feOptUntyped)
193  {
194  if (feOptSpec[opt].type == feOptString)
195  return "option value needs to be an integer";
196 
197  feOptSpec[opt].value = (void*)(long) optarg;
198  }
199  return feOptAction(opt);
200 }

Variable Documentation

◆ feOptSpec

EXTERN_VAR struct fe_option feOptSpec[]

Definition at line 17 of file feOpt.h.

◆ SHORT_OPTS_STRING

const char SHORT_OPTS_STRING[]
extern

Definition at line 29 of file feOpt.cc.