File: [local] / OpenXM_contrib / pari-2.2 / src / gp / Attic / gp.c (download)
Revision 1.2, Wed Sep 11 07:26:55 2002 UTC (21 years, 9 months ago) by noro
Branch: MAIN
CVS Tags: RELEASE_1_2_3, RELEASE_1_2_2_KNOPPIX_b, RELEASE_1_2_2_KNOPPIX, RELEASE_1_2_2
Changes since 1.1: +825 -909
lines
Upgraded pari-2.2 to pari-2.2.4.
|
/* $Id: gp.c,v 1.139 2002/09/11 02:30:28 karim Exp $
Copyright (C) 2000 The PARI group.
This file is part of the PARI/GP package.
PARI/GP is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation. It is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY WHATSOEVER.
Check the License for details. You should have received a copy of it, along
with the package; see the file 'COPYING'. If not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*******************************************************************/
/** **/
/** PARI CALCULATOR **/
/** **/
/*******************************************************************/
#include "pari.h"
#ifdef _WIN32
# include <windows.h>
# ifndef WINCE
# include <process.h>
# endif
#endif
#ifdef HAS_STRFTIME
# include <time.h>
#endif
#include "../language/anal.h"
#include "gp.h"
#ifdef READLINE
extern void init_readline(void);
int readline_init = 1;
BEGINEXTERN
# if defined(__cplusplus) && defined(__SUNPRO_CC)
extern char* readline(char*); /* bad prototype for readline() in readline.h */
# else
# ifdef READLINE_LIBRARY
# include <readline.h>
# else
# include <readline/readline.h>
# endif
# endif
extern int isatty(int);
ENDEXTERN
#endif
extern void err_clean(void);
extern void gp_output(GEN z, gp_data *G);
extern void errcontext(char *msg, char *s, char *entry);
extern void free_graph(void);
extern void gp_expand_path(gp_path *p);
extern int gp_init_entrees(module *modlist, entree **hash, int force);
extern void init_defaults(int force);
extern void init_graph(void);
extern void pari_sig_init(void (*f)(int));
extern int whatnow(char *s, int flag);
static char *DFT_PRETTYPRINTER = "tex2mail -TeX -noindent -ragged -by_par";
#define MAX_PROMPT_LEN 128
#define DFT_PROMPT "? "
#define BREAK_LOOP_PROMPT "> "
#define COMMENTPROMPT "comment> "
#define CONTPROMPT ""
#define DFT_INPROMPT ""
static char prompt[MAX_PROMPT_LEN], prompt_cont[MAX_PROMPT_LEN];
static int tm_is_waiting = 0, handle_C_C = 0, gpsilent = 0;
static ulong paribufsize, primelimit;
#define current_buffer (bufstack?((Buffer*)(bufstack->value)):NULL)
static stack *bufstack = NULL;
#define skip_space(s) while (isspace((int)*s)) s++
#define skip_alpha(s) while (isalpha((int)*s)) s++
static void
usage(char *s)
{
printf("### Usage: %s [options]\n", s);
printf("Options are:\n");
printf("\t[-b buffersize]\tDeprecated\n");
printf("\t[-emacs]\tRun as if in Emacs shell\n");
printf("\t[-f]\t\tFaststart: do not read .gprc\n");
printf("\t[--help]\tPrint this message\n");
printf("\t[-q]\t\tQuiet mode: do not print banner and history numbers\n");
printf("\t[-p primelimit]\tPrecalculate primes up to the limit\n");
printf("\t[-s stacksize]\tStart with the PARI stack of given size (in bytes)\n");
printf("\t[-test]\t\tTest mode. As -q, plus wrap long lines\n");
printf("\t[--version]\tOutput version info and exit\n\n");
exit(0);
}
static void
init_hist(gp_hist *H, size_t l, ulong total)
{
H->total = total;
H->size = l;
H->res = (GEN *) gpmalloc(l * sizeof(GEN));
memset(H->res,0, l * sizeof(GEN));
}
static void
init_path(gp_path *path)
{
char *p;
#if defined(__EMX__) || defined(__CYGWIN32__)
p = ".;C:;C:/gp";
#elif defined(UNIX)
p = ".:~:~/gp";
#else
p = ".";
#endif
path->PATH = pari_strdup(p);
path->dirs = NULL;
}
static char *
init_help()
{
char *h = os_getenv("GPHELP");
# ifdef GPHELP
if (!h) h = GPHELP;
# endif
if (h) h = pari_strdup(h);
return h;
}
static pariout_t *
init_fmt()
{
pariout_t *f = &DFLT_OUTPUT;
f->prettyp= f_PRETTYMAT;
#ifdef LONG_IS_64BIT
f->sigd = 38;
#else
f->sigd = 28;
#endif
return f;
}
static void
init_pp(gp_pp *p)
{
p->cmd = pari_strdup(DFT_PRETTYPRINTER);
p->file = NULL;
}
/* must be called BEFORE pari_init() */
static void
gp_preinit(void)
{
static gp_data __GP_DATA;
static gp_hist __HIST;
static gp_pp __PP;
static gp_path __PATH;
static pari_timer __T;
long i;
bufstack = NULL;
primelimit = 500000;
bot = (gpmem_t)0;
top = (gpmem_t)(1000000*sizeof(long));
strcpy(prompt, DFT_PROMPT);
strcpy(prompt_cont, CONTPROMPT);
paribufsize = 1024;
for (i=0; i<c_LAST; i++) gp_colors[i] = c_NONE;
GP_DATA = &__GP_DATA;
#ifdef READLINE
GP_DATA->flags = (STRICTMATCH | SIMPLIFY | USE_READLINE);
#else
GP_DATA->flags = (STRICTMATCH | SIMPLIFY);
#endif
GP_DATA->lim_lines = 0;
GP_DATA->T = &__T;
GP_DATA->hist = &__HIST;
GP_DATA->pp = &__PP;
GP_DATA->path = &__PATH;
GP_DATA->help = init_help();
GP_DATA->fmt = init_fmt();
init_hist(GP_DATA->hist, 5000, 0);
init_path(GP_DATA->path);
init_pp(GP_DATA->pp);
}
#ifdef MAXPATHLEN
# define GET_SEP_SIZE MAXPATHLEN
#else
# define GET_SEP_SIZE 128
#endif
#define separe(c) ((c)==';' || (c)==':')
/* Return all chars, up to next separator
* [as strtok but must handle verbatim character string]
* If 'colon' is set, allow ';' and ':' as separator, only ';' otherwise */
static char*
get_sep0(char *t, int colon)
{
static char buf[GET_SEP_SIZE], *lim = buf + (GET_SEP_SIZE-1);
char *s = buf;
int outer = 1;
for(;;)
{
switch(*s++ = *t++)
{
case '"':
if (outer || (s >= buf+2 && s[-2] != '\\')) outer = !outer;
break;
case '\0':
return buf;
case ';':
if (outer) { s[-1] = 0; return buf; } break;
case ':':
if (outer && colon) { s[-1] = 0; return buf; } break;
}
if (s == lim) err(talker,"buffer overflow in get_sep");
}
}
static char*
get_sep(char *t)
{
return get_sep0(t,1);
}
static char*
get_sep_colon_ok(char *t)
{
return get_sep0(t,0);
}
/* "atoul" + optional [km] suffix */
static ulong
my_int(char *s)
{
ulong n = 0;
char *p = s;
while (isdigit((int)*p)) { n = 10*n + (*p++ - '0'); }
switch(*p)
{
case 'k': case 'K': n *= 1000; p++; break;
case 'm': case 'M': n *= 1000000; p++; break;
}
if (*p) err(talker2,"I was expecting an integer here", s, s);
return n;
}
static long
get_int(char *s, long dflt)
{
char *p = get_sep(s);
long n;
int minus = 0;
if (*p == '-') { minus = 1; p++; }
if (!isdigit((int)*p)) return dflt;
n = (long)my_int(p);
if (n < 0) err(talker2,"integer too large in get_int",s,s);
return minus? -n: n;
}
static ulong
get_uint(char *s)
{
char *p = get_sep(s);
if (*p == '-') err(talker2,"arguments must be positive integers",s,s);
return my_int(p);
}
/* tell TeXmacs GP will start outputing data */
static void
tm_start_output(void)
{
if (!tm_is_waiting) { printf("%cverbatim:",DATA_BEGIN); fflush(stdout); }
tm_is_waiting = 1;
}
/* tell TeXmacs GP is done and is waiting for new data */
static void
tm_end_output(void)
{
if (tm_is_waiting) { printf("%c", DATA_END); fflush(stdout); }
tm_is_waiting = 0;
}
Buffer *
new_buffer(void)
{
Buffer *b = (Buffer*) gpmalloc(sizeof(Buffer));
b->len = paribufsize;
b->buf = gpmalloc(b->len);
b->flenv = 0; return b;
}
void
del_buffer(Buffer *b)
{
if (!b) return;
free(b->buf); free((void*)b);
}
static void
pop_buffer(void)
{
Buffer *b = (Buffer*) pop_stack(&bufstack);
del_buffer(b);
}
/* kill all buffers until B is met or nothing is left */
static void
kill_all_buffers(Buffer *B)
{
for(;;) {
Buffer *b = current_buffer;
if (b == B || !b) break;
pop_buffer();
}
}
static void
jump_to_buffer(void)
{
Buffer *b;
while ( (b = current_buffer) )
{
if (b->flenv) break;
pop_buffer();
}
if (!b) longjmp(environnement, 0);
longjmp(b->env, 0);
}
static void
jump_to_given_buffer(Buffer *buf)
{
Buffer *b;
while ( (b = current_buffer) )
{
if (b == buf) break;
pop_buffer();
}
if (!b->env) { b = NULL; err(warner,"no environmnent tied to buffer"); }
if (!b) longjmp(environnement, 0);
longjmp(b->env, 0);
}
/********************************************************************/
/* */
/* DEFAULTS */
/* */
/********************************************************************/
static void
do_strftime(char *s, char *buf, long max)
{
#ifdef HAS_STRFTIME
time_t t = time(NULL);
strftime(buf,max,s,localtime(&t));
#else
strcpy(buf,s);
#endif
}
static GEN
sd_toggle(char *v, int flag, char *s, int *ptn)
{
int state = *ptn;
if (*v)
{
int n = (int)get_int(v,0);
if (n == state) return gnil;
if (n != !state)
{
char s[128];
sprintf(s, "default: incorrect value for %s [0:off / 1:on]", s);
err(talker2, s, v,v);
}
state = *ptn = n;
}
switch(flag)
{
case d_RETURN: return utoi(state);
case d_ACKNOWLEDGE:
if (state) pariputsf(" %s = 1 (on)\n", s);
else pariputsf(" %s = 0 (off)\n", s);
break;
}
return gnil;
}
static GEN
sd_gptoggle(char *v, int flag, char *s, ulong FLAG)
{
int n = (GP_DATA->flags & FLAG)? 1: 0, old = n;
GEN z = sd_toggle(v, flag, s, &n);
if (n != old)
{
if (n) GP_DATA->flags |= FLAG;
else GP_DATA->flags &= ~FLAG;
}
return z;
}
static GEN
sd_ulong(char *v, int flag, char *s, ulong *ptn, ulong Min, ulong Max,
char **msg)
{
ulong n;
if (*v == 0) n = *ptn;
else
{
n = (ulong)get_int(v,0);
if (*ptn == n) return gnil;
if (n > Max || n < Min)
{
char s[128];
sprintf(s, "default: incorrect value for %s [%lu-%lu]", s, Min, Max);
err(talker2, s, v,v);
}
*ptn = n;
}
switch(flag)
{
case d_RETURN: return utoi(n);
case d_ACKNOWLEDGE:
if (msg)
{
if (!*msg) msg++; /* single msg, always printed */
else msg += n; /* one per possible value */
pariputsf(" %s = %lu %s\n", s, n, *msg);
}
else
pariputsf(" %s = %lu\n", s, n);
default: return gnil;
}
}
#define PRECDIGIT (long)((prec-2.)*pariK)
static GEN
sd_realprecision(char *v, int flag)
{
pariout_t *fmt = GP_DATA->fmt;
if (*v)
{
long newnb = get_int(v, fmt->sigd);
long newprec = (long) (newnb*pariK1 + 3);
if (fmt->sigd == newnb && prec == newprec) return gnil;
if (newnb < 0) err(talker,"default: negative real precision");
fmt->sigd = newnb; prec = newprec;
}
if (flag == d_RETURN) return stoi(fmt->sigd);
if (flag == d_ACKNOWLEDGE)
{
long n = PRECDIGIT;
pariputsf(" realprecision = %ld significant digits", n);
if (n != fmt->sigd)
pariputsf(" (%ld digits displayed)", fmt->sigd);
pariputc('\n');
}
return gnil;
}
#undef PRECDIGIT
static GEN
sd_seriesprecision(char *v, int flag)
{
char *msg[] = {NULL, "significant terms"};
return sd_ulong(v,flag,"seriesprecision",&precdl, 0,LGBITS,msg);
}
static GEN
sd_format(char *v, int flag)
{
pariout_t *fmt = GP_DATA->fmt;
if (*v)
{
char c = *v;
if (c!='e' && c!='f' && c!='g')
err(talker2,"default: inexistent format",v,v);
fmt->format = c; v++;
if (isdigit((int)*v))
{ fmt->fieldw=atol(v); while (isdigit((int)*v)) v++; }
if (*v++ == '.')
{
if (*v == '-') fmt->sigd = -1;
else
if (isdigit((int)*v)) fmt->sigd=atol(v);
}
}
if (flag == d_RETURN)
{
char s[128];
sprintf(s, "%c%ld.%ld", fmt->format, fmt->fieldw, fmt->sigd);
return strtoGENstr(s,0);
}
if (flag == d_ACKNOWLEDGE)
pariputsf(" format = %c%ld.%ld\n", fmt->format, fmt->fieldw, fmt->sigd);
return gnil;
}
static long
gp_get_color(char **st)
{
char *s, *v = *st;
int c, trans;
if (isdigit((int)*v))
{ c = atol(v); trans = 1; } /* color on transparent background */
else
{
if (*v == '[')
{
char *a[3];
int i = 0;
for (a[0] = s = ++v; *s && *s != ']'; s++)
if (*s == ',') { *s = 0; a[++i] = s+1; }
if (*s != ']') err(talker2,"expected character: ']'",s, *st);
*s = 0; for (i++; i<3; i++) a[i] = "";
/* properties | color | background */
c = (atoi(a[2])<<8) | atoi(a[0]) | (atoi(a[1])<<4);
trans = (*(a[1]) == 0);
v = s + 1;
}
else { c = c_NONE; trans = 0; }
}
if (trans) c = c | (1<<12);
while (*v && *v++ != ',') /* empty */;
if (c != c_NONE) disable_color = 0;
*st = v; return c;
}
static GEN
sd_colors(char *v, int flag)
{
long c,l;
if (*v && !(GP_DATA->flags & (EMACS|TEXMACS)))
{
char *v0;
disable_color=1;
l = strlen(v);
if (l <= 2 && strncmp(v, "no", l) == 0)
v = "";
if (l <= 6 && strncmp(v, "darkbg", l) == 0)
v = "1, 5, 3, 7, 6, 2, 3"; /* Assume recent ReadLine. */
if (l <= 7 && strncmp(v, "lightbg", l) == 0)
v = "1, 6, 3, 4, 5, 2, 3"; /* Assume recent ReadLine. */
if (l <= 6 && strncmp(v, "boldfg", l) == 0) /* Good for darkbg consoles */
v = "[1,,1], [5,,1], [3,,1], [7,,1], [6,,1], [2,,1], [3,,1]";
v0 = v = filtre(v, 0);
for (c=c_ERR; c < c_LAST; c++)
gp_colors[c] = gp_get_color(&v);
free(v0);
}
if (flag == d_ACKNOWLEDGE || flag == d_RETURN)
{
char s[128], *t = s;
int col[3], n;
for (*t=0,c=c_ERR; c < c_LAST; c++)
{
n = gp_colors[c];
if (n == c_NONE)
sprintf(t,"no");
else
{
decode_color(n,col);
if (n & (1<<12))
{
if (col[0])
sprintf(t,"[%d,,%d]",col[1],col[0]);
else
sprintf(t,"%d",col[1]);
}
else
sprintf(t,"[%d,%d,%d]",col[1],col[2],col[0]);
}
t += strlen(t);
if (c < c_LAST - 1) { *t++=','; *t++=' '; }
}
if (flag==d_RETURN) return strtoGENstr(s,0);
pariputsf(" colors = \"%s\"\n",s);
}
return gnil;
}
static GEN
sd_compatible(char *v, int flag)
{
char *msg[] = {
"(no backward compatibility)",
"(warn when using obsolete functions)",
"(use old functions, don't ignore case)",
"(use old functions, ignore case)", NULL
};
ulong old = compatible;
GEN r = sd_ulong(v,flag,"compatible",&compatible, 0,3,msg);
if (old != compatible && flag != d_INITRC)
{
int res = gp_init_entrees(new_fun_set? pari_modules: pari_oldmodules,
functions_hash, 0);
if (res) err(warner,"user functions re-initialized");
}
return r;
}
static GEN
sd_secure(char *v, int flag)
{
if (*v && (GP_DATA->flags & SECURE))
{
fprintferr("[secure mode]: Do you want to modify the 'secure' flag? (^C if not)\n");
hit_return();
}
return sd_gptoggle(v,flag,"secure", SECURE);
}
static GEN
sd_buffersize(char *v, int flag)
{ return sd_ulong(v,flag,"buffersize",&paribufsize, 1,
(VERYBIGINT / sizeof(long)) - 1,NULL); }
static GEN
sd_debug(char *v, int flag)
{ return sd_ulong(v,flag,"debug",&DEBUGLEVEL, 0,20,NULL); }
static GEN
sd_rl(char *v, int flag)
{
#ifdef READLINE
if (!readline_init && *v && *v != '0') {
init_readline();
readline_init = 1;
}
#endif
return sd_gptoggle(v,flag,"readline", USE_READLINE);
}
static GEN
sd_debugfiles(char *v, int flag)
{ return sd_ulong(v,flag,"debugfiles",&DEBUGFILES, 0,20,NULL); }
static GEN
sd_debugmem(char *v, int flag)
{ return sd_ulong(v,flag,"debugmem",&DEBUGMEM, 0,20,NULL); }
static GEN
sd_echo(char *v, int flag)
{ return sd_gptoggle(v,flag,"echo", ECHO); }
static GEN
sd_lines(char *v, int flag)
{ return sd_ulong(v,flag,"lines",&(GP_DATA->lim_lines), 0,VERYBIGINT,NULL); }
static GEN
sd_histsize(char *v, int flag)
{
gp_hist *H = GP_DATA->hist;
ulong n = H->size;
GEN r = sd_ulong(v,flag,"histsize",&n, 1,
(VERYBIGINT / sizeof(long)) - 1,NULL);
if (n != H->size)
{
const ulong total = H->total;
long g, h, k, kmin;
GEN *resG = H->res, *resH; /* G = old data, H = new one */
size_t sG = H->size, sH;
init_hist(H, n, total);
if (!total) return r;
resH = H->res;
sH = H->size;
/* copy relevant history entries */
g = (total-1) % sG;
h = k = (total-1) % sH;
kmin = k - min(sH, sG);
for ( ; k > kmin; k--, g--, h--)
{
resH[h] = resG[g];
resG[g] = NULL;
if (!g) g = sG;
if (!h) h = sH;
}
/* clean up */
for ( ; resG[g]; g--)
{
gunclone(resG[g]);
if (!g) g = sG;
}
free((void*)resG);
}
return r;
}
static GEN
sd_log(char *v, int flag)
{
int old = GP_DATA->flags;
GEN r = sd_gptoggle(v,flag,"log",LOG);
if (GP_DATA->flags != old)
{ /* toggled LOG */
if (old & LOG)
{ /* close log */
if (flag == d_ACKNOWLEDGE)
pariputsf(" [logfile was \"%s\"]\n", current_logfile);
fclose(logfile); logfile = NULL;
}
else
{ /* open log */
logfile = fopen(current_logfile, "a");
if (!logfile) err(openfiler,"logfile",current_logfile);
#ifndef WINCE
setbuf(logfile,(char *)NULL);
#endif
}
}
return r;
}
static GEN
sd_output(char *v, int flag)
{
char *msg[] = {"(raw)", "(prettymatrix)", "(prettyprint)",
"(external prettyprint)", NULL};
ulong n = GP_DATA->fmt->prettyp;
GEN z = sd_ulong(v,flag,"output", &n, 0,3,msg);
GP_DATA->fmt->prettyp = n; return z;
}
void
allocatemem0(size_t newsize)
{
(void)allocatemoremem(newsize);
err_clean();
jump_to_buffer();
}
static GEN
sd_parisize(char *v, int flag)
{
ulong n = top-bot;
GEN r = sd_ulong(v,flag,"parisize",&n, 10000,VERYBIGINT,NULL);
if (n != (ulong)top-bot)
{
if (!bot) top = (gpmem_t)n; /* no stack allocated yet */
if (flag != d_INITRC) allocatemem0(n);
}
return r;
}
static GEN
sd_primelimit(char *v, int flag)
{
ulong n = primelimit;
GEN r = sd_ulong(v,flag,"primelimit",&n, 0,VERYBIGINT,NULL);
if (n != primelimit)
{
if (flag != d_INITRC)
{
byteptr ptr = initprimes(n);
free(diffptr); diffptr = ptr;
}
primelimit = n;
}
return r;
}
static GEN
sd_simplify(char *v, int flag)
{ return sd_gptoggle(v,flag,"simplify", SIMPLIFY); }
static GEN
sd_strictmatch(char *v, int flag)
{ return sd_gptoggle(v,flag,"strictmatch", STRICTMATCH); }
static GEN
sd_timer(char *v, int flag)
{ return sd_gptoggle(v,flag,"timer", CHRONO); }
static GEN
sd_filename(char *v, int flag, char *s, char **f)
{
if (*v)
{
char *s, *old = *f;
long l;
v = expand_tilde(v);
l = strlen(v) + 256;
s = malloc(l);
do_strftime(v,s, l-1); free(v);
*f = pari_strdup(s); free(s); free(old);
}
if (flag == d_RETURN) return strtoGENstr(*f,0);
if (flag == d_ACKNOWLEDGE) pariputsf(" %s = \"%s\"\n",s,*f);
return gnil;
}
static GEN
sd_logfile(char *v, int flag)
{
GEN r = sd_filename(v, flag, "logfile", ¤t_logfile);
if (*v && logfile)
{
fclose(logfile);
logfile = fopen(current_logfile, "a");
if (!logfile) err(openfiler,"logfile",current_logfile);
#ifndef WINCE
setbuf(logfile,(char *)NULL);
#endif
}
return r;
}
static GEN
sd_new_galois_format(char *v, int flag)
{ return sd_toggle(v,flag,"new_galois_format", &new_galois_format); }
static GEN
sd_psfile(char *v, int flag)
{ return sd_filename(v, flag, "psfile", ¤t_psfile); }
static void
err_secure(char *d, char *v)
{ err(talker,"[secure mode]: can't modify '%s' default (to %s)",d,v); }
static GEN
sd_help(char *v, int flag)
{
char *str;
if (*v)
{
if (GP_DATA->flags & SECURE) err_secure("help",v);
if (GP_DATA->help) free(GP_DATA->help);
GP_DATA->help = expand_tilde(v);
}
str = GP_DATA->help? GP_DATA->help: "none";
if (flag == d_RETURN) return strtoGENstr(str,0);
if (flag == d_ACKNOWLEDGE)
pariputsf(" help = \"%s\"\n", str);
return gnil;
}
static GEN
sd_path(char *v, int flag)
{
gp_path *p = GP_DATA->path;
if (*v)
{
free((void*)p->PATH);
p->PATH = pari_strdup(v);
if (flag == d_INITRC) return gnil;
gp_expand_path(p);
}
if (flag == d_RETURN) return strtoGENstr(p->PATH,0);
if (flag == d_ACKNOWLEDGE)
pariputsf(" path = \"%s\"\n",p->PATH);
return gnil;
}
static GEN
sd_prettyprinter(char *v, int flag)
{
gp_pp *pp = GP_DATA->pp;
if (*v && !(GP_DATA->flags & TEXMACS))
{
char *old = pp->cmd;
int cancel = (!strcmp(v,"no"));
if (GP_DATA->flags & SECURE) err_secure("prettyprinter",v);
if (!strcmp(v,"yes")) v = DFT_PRETTYPRINTER;
if (old && strcmp(old,v) && pp->file)
{
pariFILE *f;
if (cancel) f = NULL;
else
{
f = try_pipe(v, mf_OUT | mf_TEST);
if (!f)
{
err(warner,"broken prettyprinter: '%s'",v);
return gnil;
}
}
pari_fclose(pp->file);
pp->file = f;
}
pp->cmd = cancel? NULL: pari_strdup(v);
if (old) free(old);
if (flag == d_INITRC) return gnil;
}
if (flag == d_RETURN) return strtoGEN(pp->cmd? pp->cmd: "");
if (flag == d_ACKNOWLEDGE)
pariputsf(" prettyprinter = \"%s\"\n",pp->cmd? pp->cmd: "");
return gnil;
}
static GEN
sd_prompt_set(char *v, int flag, char *how, char *p)
{
if (*v)
{
strncpy(p,v,MAX_PROMPT_LEN);
#ifdef macintosh
strcat(p,"\n");
#endif
}
if (flag == d_RETURN) return strtoGENstr(p,0);
if (flag == d_ACKNOWLEDGE)
pariputsf(" prompt%s = \"%s\"\n", how, p);
return gnil;
}
static GEN
sd_prompt(char *v, int flag)
{
return sd_prompt_set(v, flag, "", prompt);
}
static GEN
sd_prompt_cont(char *v, int flag)
{
return sd_prompt_set(v, flag, "_cont", prompt_cont);
}
default_type gp_default_list[] =
{
{"buffersize",(void*)sd_buffersize},
{"colors",(void*)sd_colors},
{"compatible",(void*)sd_compatible},
{"debug",(void*)sd_debug},
{"debugfiles",(void*)sd_debugfiles},
{"debugmem",(void*)sd_debugmem},
{"echo",(void*)sd_echo},
{"format",(void*)sd_format},
{"help",(void*)sd_help},
{"histsize",(void*)sd_histsize},
{"lines",(void*)sd_lines},
{"log",(void*)sd_log},
{"logfile",(void*)sd_logfile},
{"new_galois_format",(void*)sd_new_galois_format},
{"output",(void*)sd_output},
{"parisize",(void*)sd_parisize},
{"path",(void*)sd_path},
{"primelimit",(void*)sd_primelimit},
{"prettyprinter",(void*)sd_prettyprinter},
{"prompt",(void*)sd_prompt},
{"prompt_cont",(void*)sd_prompt_cont},
{"psfile",(void*)sd_psfile},
{"realprecision",(void*)sd_realprecision},
{"readline",(void*)sd_rl},
{"secure",(void*)sd_secure},
{"seriesprecision",(void*)sd_seriesprecision},
{"simplify",(void*)sd_simplify},
{"strictmatch",(void*)sd_strictmatch},
{"timer",(void *)sd_timer},
{NULL,NULL} /* sentinel */
};
static void
help_default(void)
{
default_type *dft;
for (dft=gp_default_list; dft->fun; dft++)
((void (*)(char*,int)) dft->fun)("", d_ACKNOWLEDGE);
}
static GEN
setdefault(char *s,char *v, int flag)
{
default_type *dft;
if (!*s) { help_default(); return gnil; }
for (dft=gp_default_list; dft->fun; dft++)
if (!strcmp(s,dft->name))
{
if (flag == d_EXISTS) return gun;
return ((GEN (*)(char*,int)) dft->fun)(v,flag);
}
if (flag == d_EXISTS) return gzero;
err(talker,"unknown default: %s",s);
return NULL; /* not reached */
}
/********************************************************************/
/** **/
/** HELP **/
/** **/
/********************************************************************/
static int
has_ext_help(void)
{
if (GP_DATA->help)
{
char *buf = pari_strdup(GP_DATA->help), *s = buf;
FILE *file;
while (*s && *s != ' ') s++;
*s = 0; file = fopen(buf,"r");
free(buf);
if (file) { fclose(file); return 1; }
}
return 0;
}
static int
compare_str(char **s1, char **s2) { return strcmp(*s1, *s2); }
/* Print all elements of list in columns, pausing every nbli lines
* if nbli is non-zero.
* list is a NULL terminated list of function names
*/
void
print_fun_list(char **list, int nbli)
{
long i=0, j=0, maxlen=0, nbcol,len, w = term_width();
char **l;
while (list[i]) i++;
qsort (list, i, sizeof(char *), (QSCOMP)compare_str);
for (l=list; *l; l++)
{
len = strlen(*l);
if (len > maxlen) maxlen=len;
}
maxlen++; nbcol= w / maxlen;
if (nbcol * maxlen == w) nbcol--;
if (!nbcol) nbcol = 1;
pariputc('\n'); i=0;
for (l=list; *l; l++)
{
pariputs(*l); i++;
if (i >= nbcol)
{
i=0; pariputc('\n');
if (nbli && j++ > nbli) { j = 0; hit_return(); }
continue;
}
len = maxlen - strlen(*l);
while (len--) pariputc(' ');
}
if (i) pariputc('\n');
}
#define LIST_LEN 1023
static void
commands(int n)
{
int hashpos, s = 0, size = LIST_LEN;
entree *ep;
char **list = (char **) gpmalloc((size+1)*sizeof(char *));
for (hashpos = 0; hashpos < functions_tblsz; hashpos++)
for (ep = functions_hash[hashpos]; ep; ep = ep->next)
if ((n<0 && ep->menu) || ep->menu == n)
{
list[s] = ep->name;
if (++s >= size)
{
size += (LIST_LEN + 1)*sizeof(char *);
list = (char**) gprealloc(list,size);
}
}
list[s]=NULL; print_fun_list(list,term_height()-4); free(list);
}
static void
print_def_arg(GEN x)
{
if (x == gzero) return;
pariputc('=');
if (typ(x)==t_STR)
pariputs(GSTR(x)); /* otherwise it's surrounded by "" */
else
bruteall(x,'g',-1,1);
}
static void
print_user_fun(entree *ep)
{
gp_args *f= (gp_args*)ep->args;
GEN q = (GEN)ep->value, *arg = f->arg;
int i, narg;
q++; /* skip initial NULL */
pariputs(ep->name); pariputc('(');
narg = f->narg;
for (i=1; i<=narg; i++, arg++)
{
entree *ep = varentries[*q++];
pariputs(ep? ep->name:"#");
print_def_arg(*arg);
if (i == narg) { arg++; break; }
pariputs(", ");
}
pariputs(") = ");
narg = f->nloc;
if (narg)
{
pariputs("local(");
for (i=1; i<=narg; i++, arg++)
{
entree *ep = varentries[*q++];
pariputs(ep? ep->name:"#");
print_def_arg(*arg);
if (i == narg) break;
pariputs(", ");
}
pariputs("); ");
}
pariputs((char*)q);
}
static void
print_user_member(entree *ep)
{
GEN q = (GEN)ep->value;
entree *ep2;
q++; /* skip initial NULL */
ep2 = varentries[*q++];
pariputs(ep2? ep2->name:"#");
pariputsf(".%s = ", ep->name);
pariputs((char*)q);
}
static void
user_fun(void)
{
entree *ep;
int hash;
for (hash = 0; hash < functions_tblsz; hash++)
for (ep = functions_hash[hash]; ep; ep = ep->next)
if (EpVALENCE(ep) == EpUSER)
{
pariputc(LBRACE); print_user_fun(ep);
pariputc(RBRACE); pariputs("\n\n");
}
}
static void
user_member(void)
{
entree *ep;
int hash;
for (hash = 0; hash < functions_tblsz; hash++)
for (ep = members_hash[hash]; ep; ep = ep->next)
if (EpVALENCE(ep) == EpMEMBER)
{
pariputc(LBRACE); print_user_member(ep);
pariputc(RBRACE); pariputs("\n\n");
}
}
static void
center(char *s)
{
long i, l = strlen(s), pad = term_width() - l;
char *buf, *u;
if (pad<0) pad=0; else pad >>= 1;
u = buf = (char*)gpmalloc(l + pad + 2);
for (i=0; i<pad; i++) *u++ = ' ';
while (*s) *u++ = *s++;
*u++ = '\n'; *u = 0;
pariputs(buf); free(buf);
}
static void
community(void)
{
long len = strlen(GPMISCDIR) + 1024;
char *s = (char*)gpmalloc(len);
sprintf(s, "The standard distribution of GP/PARI includes a reference \
manual, a tutorial, a reference card and quite a few examples. They should \
have been installed in the directory '%s'. If not you should ask the person \
who installed PARI on your system where they can be found. You can also \
download them from the PARI WWW site 'http://www.parigp-home.de/'",
GPMISCDIR);
print_text(s); free(s);
pariputs("\nThree mailing lists are devoted to PARI:\n\
- pari-announce (moderated) to announce major version changes.\n\
- pari-dev for everything related to the development of PARI, including\n\
suggestions, technical questions, bug reports and patch submissions.\n\
- pari-users for everything else!\n");
print_text("\
To subscribe, send an empty message to <listname>-subscribe@list.cr.yp.to. You \
can only send messages to the lists you have subscribed to! An archive is kept \
at the WWW site mentioned above. You can also reach the authors directly by \
email: pari@math.u-bordeaux.fr (answer not guaranteed)."); }
static void
gentypes(void)
{
pariputs("List of the PARI types:\n\
t_INT : long integers [ cod1 ] [ cod2 ] [ man_1 ] ... [ man_k ]\n\
t_REAL : long real numbers [ cod1 ] [ cod2 ] [ man_1 ] ... [ man_k ]\n\
t_INTMOD : integermods [ code ] [ mod ] [ integer ]\n\
t_FRAC : irred. rationals [ code ] [ num. ] [ den. ]\n\
t_FRACN : rational numbers [ code ] [ num. ] [ den. ]\n\
t_COMPLEX: complex numbers [ code ] [ real ] [ imag ]\n\
t_PADIC : p-adic numbers [ cod1 ] [ cod2 ] [ p ] [ p^r ] [ int ]\n\
t_QUAD : quadratic numbers [ cod1 ] [ mod ] [ real ] [ imag ]\n\
t_POLMOD : poly mod [ code ] [ mod ] [ polynomial ]\n\
-------------------------------------------------------------\n\
t_POL : polynomials [ cod1 ] [ cod2 ] [ man_1 ] ... [ man_k ]\n\
t_SER : power series [ cod1 ] [ cod2 ] [ man_1 ] ... [ man_k ]\n\
t_RFRAC : irred. rat. func. [ code ] [ num. ] [ den. ]\n\
t_RFRACN : rational function [ code ] [ num. ] [ den. ]\n\
t_QFR : real qfb [ code ] [ a ] [ b ] [ c ] [ del ]\n\
t_QFI : imaginary qfb [ code ] [ a ] [ b ] [ c ]\n\
t_VEC : row vector [ code ] [ x_1 ] ... [ x_k ]\n\
t_COL : column vector [ code ] [ x_1 ] ... [ x_k ]\n\
t_MAT : matrix [ code ] [ col_1 ] ... [ col_k ]\n\
t_LIST : list [ code ] [ cod2 ] [ x_1 ] ... [ x_k ]\n\
t_STR : string [ code ] [ man_1 ] ... [ man_k ]\n\
\n");
}
static void
menu_commands(void)
{
pariputs("Help topics:\n\
0: list of user-defined identifiers (variable, alias, function)\n\
1: Standard monadic or dyadic OPERATORS\n\
2: CONVERSIONS and similar elementary functions\n\
3: TRANSCENDENTAL functions\n\
4: NUMBER THEORETICAL functions\n\
5: Functions related to ELLIPTIC CURVES\n\
6: Functions related to general NUMBER FIELDS\n\
7: POLYNOMIALS and power series\n\
8: Vectors, matrices, LINEAR ALGEBRA and sets\n\
9: SUMS, products, integrals and similar functions\n\
10: GRAPHIC functions\n\
11: PROGRAMMING under GP\n\
12: The PARI community\n\
\n\
Further help (list of relevant functions): ?n (1<=n<=11).\n\
Also:\n\
? functionname (short on-line help)\n\
?\\ (keyboard shortcuts)\n\
?. (member functions)\n");
if (has_ext_help()) pariputs("\
Extended help looks available:\n\
?? (opens the full user's manual in a dvi previewer)\n\
?? tutorial (same with the GP tutorial)\n\
?? refcard (same with the GP reference card)\n\
\n\
?? keyword (long help text about \"keyword\" from the user's manual)\n\
??? keyword (a propos: list of related functions).");
}
static void
slash_commands(void)
{
pariputs("# : enable/disable timer\n\
## : print time for last result\n\
\\\\ : comment up to end of line\n\
\\a {n} : print result in raw format (readable by PARI)\n\
\\b {n} : print result in beautified format\n\
\\c : list all commands (same effect as ?*)\n\
\\d : print all defaults\n\
\\e {n} : enable/disable echo (set echo=n)\n\
\\g {n} : set debugging level\n\
\\gf{n} : set file debugging level\n\
\\gm{n} : set memory debugging level\n\
\\h {m-n}: hashtable information\n\
\\l {f} : enable/disable logfile (set logfile=f)\n\
\\m {n} : print result in prettymatrix format\n\
\\o {n} : change output method (0=raw, 1=prettymatrix, 2=prettyprint)\n\
\\p {n} : change real precision\n\
\\ps{n} : change series precision\n\
\\q : quit completely this GP session\n\
\\r {f} : read in a file\n\
\\s {n} : print stack information\n\
\\t : print the list of PARI types\n\
\\u : print the list of user-defined functions\n\
\\um : print the list of user-defined member functions\n\
\\v : print current version of GP\n\
\\w {nf} : write to a file\n\
\\x {n} : print complete inner structure of result\n\
\\y {n} : disable/enable automatic simplification (set simplify=n)\n\
\n\
{f}=optional filename. {n}=optional integer\n");
}
static void
member_commands(void)
{
pariputs("Member functions, followed by relevant objects\n\n\
a1-a6, b2-b8, c4-c6 : coeff. of the curve. ell\n\
area : area ell\n\
bnf : big number field bnf, bnr\n\
clgp : class group bnf, bnr\n\
cyc : cyclic decomposition (SNF) clgp bnf, bnr\n\
diff, codiff: different and codifferent nf, bnf, bnr\n\
disc : discriminant ell, nf, bnf, bnr\n\
e, f : inertia/residues degree prid\n\
fu : fundamental units bnf, bnr\n\
futu : [u,w] where u=unit group, w=torsion bnf, bnr\n\
gen : generators prid, clgp bnf, bnr\n\
j : j-invariant ell\n\
mod : modulus\n\
nf : number field bnf, bnr\n\
no : number of elements clgp bnf, bnr\n\
omega, eta: [omega1,omega2] and [eta1, eta2] ell\n\
p : rational prime contained in prid prid\n\
pol : defining polynomial nf, bnf, bnr\n\
reg : regulator bnf, bnr\n\
roots: roots ell nf, bnf, bnr\n\
sign : signature nf, bnf, bnr\n\
t2 : t2 matrix nf, bnf, bnr\n\
tate : Tate's [u^2,u,q] ell\n\
tu : torsion unit and its order bnf, bnr\n\
tufu : [w,u] where u=unit group, w=torsion bnf, bnr\n\
w : Mestre's w ell\n\
zk : integral basis nf, bnf, bnr\n\
zkst : structure of (Z_K/m)^* (valid for idealstar also) bnr\n");
}
#define QUOTE "_QUOTE"
#define DOUBQUOTE "_DOUBQUOTE"
#define BACKQUOTE "_BACKQUOTE"
static char *
_cat(char *s, char *t)
{
*s = 0; strcat(s,t); return s + strlen(t);
}
static char *
filter_quotes(char *s)
{
int i, l = strlen(s);
int quote = 0;
int backquote = 0;
int doubquote = 0;
char *str, *t;
for (i=0; i < l; i++)
switch(s[i])
{
case '\'': quote++; break;
case '`' : backquote++; break;
case '"' : doubquote++;
}
str = (char*)gpmalloc(l + quote * (strlen(QUOTE)-1)
+ doubquote * (strlen(DOUBQUOTE)-1)
+ backquote * (strlen(BACKQUOTE)-1) + 1);
t = str;
for (i=0; i < l; i++)
switch(s[i])
{
case '\'': t = _cat(t, QUOTE); break;
case '`' : t = _cat(t, BACKQUOTE); break;
case '"' : t = _cat(t, DOUBQUOTE); break;
default: *t++ = s[i];
}
*t = 0; return str;
}
static int
nl_read(char *s) { size_t l = strlen(s); return s[l-1] == '\n'; }
#define nbof(a) sizeof(a) / sizeof(a[0])
/* query external help program for s. num < 0 [keyword] or chapter number */
static void
external_help(char *s, int num)
{
long nbli = term_height()-3, li = 0;
char buf[256], ar[32], *str, *opt = "";
pariFILE *z;
FILE *f;
if (!GP_DATA->help) err(talker,"no external help program");
s = filter_quotes(s);
str = gpmalloc(strlen(GP_DATA->help) + strlen(s) + 64);
*ar = 0;
if (num < 0)
opt = "-k";
else if (s[strlen(s)-1] != '@')
sprintf(ar,"@%d",num);
sprintf(str,"%s -fromgp %s %c%s%s%c",GP_DATA->help,opt, SHELL_Q,s,ar,SHELL_Q);
z = try_pipe(str,0); f = z->file;
free(str);
free(s);
while (fgets(buf, nbof(buf), f))
{
if (!strncmp("ugly_kludge_done",buf,16)) break;
pariputs(buf);
if (nl_read(buf) && ++li > nbli) { hit_return(); li = 0; }
}
pari_fclose(z);
}
char *keyword_list[]={
"operator",
"user",
"member",
"integer",
"real",
"readline",
"refcard",
"tutorial",
"nf",
"bnf",
"bnr",
"ell",
NULL
};
static int
ok_external_help(char *s)
{
long n;
if (!*s) return 1;
if (!isalpha((int)*s)) return 3; /* operator or section number */
if (!strncmp(s,"t_",2)) return 2; /* type name */
for (n=0; keyword_list[n]; n++)
if (!strcmp(s,keyword_list[n])) return 3;
return 0;
}
/* don't mess readline display */
static void
aide_print(char *s1, char *s2, int flag)
{
if ((flag & h_RL) == 0) err(talker, "%s: %s", s1, s2);
pariputsf("%s: %s\n", s1, s2);
}
static void
aide0(char *s, int flag)
{
long n, long_help = flag & h_LONG;
entree *ep,*ep1;
char *s1;
s = get_sep(s);
if (isdigit((int)*s))
{
n = atoi(s);
if (n == 12) { community(); return; }
if (n < 0 || n > 12)
err(talker2,"no such section in help: ?",s,s);
if (long_help) external_help(s,3); else commands(n);
return;
}
/* Get meaningful entry on \ps 5 */
if (*s == '\\') { s1 = s+1; skip_alpha(s1); *s1 = '\0';}
if (flag & h_APROPOS) { external_help(s,-1); return; }
if (long_help && (n = ok_external_help(s))) { external_help(s,n); return; }
switch (*s)
{
case '*' : commands(-1); return;
case '\0': menu_commands(); return;
case '\\': slash_commands(); return;
case '.' : member_commands(); return;
}
ep = is_entry(s);
if (ep && long_help)
{
if (!strcmp(ep->name, "default"))
{
char *t = s+7, *e;
skip_space(t);
if (*t == '(') {
t++; skip_space(t);
e = t; skip_alpha(e); *e = '\0'; /* safe: get_sep() made it a copy */
if (is_default(t)) { external_help(t, 2); return; }
}
}
}
if (!ep)
{
n = is_default(s)? 2: 3;
if (long_help)
external_help(s,n);
else
{
if (n == 2) { aide_print(s,"default",h_RL); return; }
n = whatnow(s,1);
if (n) err(obsoler,s,s, s,n);
aide_print(s,"unknown identifier",flag);
}
return;
}
ep1 = ep; ep = do_alias(ep);
if (ep1 != ep) pariputsf("%s is aliased to:\n\n",s);
switch(EpVALENCE(ep))
{
case EpUSER:
if (!ep->help || long_help) print_user_fun(ep);
if (!ep->help) return;
if (long_help) { pariputs("\n\n"); long_help=0; }
break;
case EpGVAR:
case EpVAR:
if (!ep->help) { aide_print(s, "user defined variable",h_RL); return; }
long_help=0; break;
case EpINSTALL:
if (!ep->help) { aide_print(s, "installed function",h_RL); return; }
long_help=0; break;
}
if (long_help) { external_help(ep->name,3); return; }
if (ep->help) { print_text(ep->help); return; }
err(bugparier,"aide (no help found)");
}
void
aide(char *s, int flag)
{
if ((flag & h_RL) == 0)
{
if (*s == '?') { flag |= h_LONG; s++; }
if (*s == '?') { flag |= h_APROPOS; s++; }
}
term_color(c_HELP); aide0(s,flag); term_color(c_NONE);
if ((flag & h_RL) == 0) pariputc('\n');
}
/********************************************************************/
/** **/
/** METACOMMANDS **/
/** **/
/********************************************************************/
static void
print_entree(entree *ep, long hash)
{
pariputsf(" %s ",ep->name); pariputsf(VOIR_STRING1,(ulong)ep);
pariputsf(":\n hash = %3ld, valence = %3ld, menu = %2ld, code = %s\n",
hash, ep->valence, ep->menu, ep->code? ep->code: "NULL");
if (ep->next)
{
pariputsf(" next = %s ",(ep->next)->name);
pariputsf(VOIR_STRING1,(ulong)(ep->next));
}
pariputs("\n");
}
static void
print_hash_list(char *s)
{
long m,n;
entree *ep;
if (isalpha((int)*s))
{
ep = is_entry_intern(s,functions_hash,&n);
if (!ep) err(talker,"no such function");
print_entree(ep,n); return;
}
if (isdigit((int)*s) || *s == '$')
{
m = functions_tblsz-1; n = atol(s);
if (*s=='$') n = m;
if (m<n) err(talker,"invalid range in print_entree");
while (isdigit((int)*s)) s++;
if (*s++ != '-') m = n;
else
{
if (*s !='$') m = min(atol(s),m);
if (m<n) err(talker,"invalid range in print_entree");
}
for(; n<=m; n++)
{
pariputsf("*** hashcode = %lu\n",n);
for (ep=functions_hash[n]; ep; ep=ep->next)
print_entree(ep,n);
}
return;
}
if (*s=='-')
{
for (n=0; n<functions_tblsz; n++)
{
m=0;
for (ep=functions_hash[n]; ep; ep=ep->next) m++;
pariputsf("%3ld:%3ld ",n,m);
if (n%9 == 8) pariputc('\n');
}
pariputc('\n'); return;
}
for (n=0; n<functions_tblsz; n++)
for (ep=functions_hash[n]; ep; ep=ep->next)
print_entree(ep,n);
}
static char *
what_readline(void)
{
#ifdef READLINE
return (GP_DATA->flags & USE_READLINE)? "v"READLINE" enabled": "disabled";
#else
return "disabled";
#endif
}
static void
print_version(void)
{
char buf[64];
center(PARIVERSION); center(PARIINFO);
sprintf(buf,"(readline %s, extended help%s available)", what_readline(),
has_ext_help()? "": " not");
center(buf);
}
static void
gp_head(void)
{
print_version(); pariputs("\n");
center("Copyright (C) 2002 The PARI Group");
print_text("\nPARI/GP is free software, covered by the GNU General Public \
License, and comes WITHOUT ANY WARRANTY WHATSOEVER");
pariputs("\n\
Type ? for help, \\q to quit.\n\
Type ?12 for how to get moral (and possibly technical) support.\n\n");
sd_realprecision ("",d_ACKNOWLEDGE);
sd_seriesprecision("",d_ACKNOWLEDGE);
sd_format ("",d_ACKNOWLEDGE);
pariputsf("\nparisize = %lu, primelimit = %lu\n", top-bot, primelimit);
}
void
fix_buffer(Buffer *b, long newlbuf)
{
b->len = paribufsize = newlbuf;
b->buf = gprealloc(b->buf, b->len);
}
void
gp_quit(void)
{
free_graph(); freeall();
kill_all_buffers(NULL);
if (INIT_SIG) pari_sig_init(SIG_DFL);
term_color(c_NONE);
pariputs_opt("Goodbye!\n");
if (GP_DATA->flags & TEXMACS) tm_end_output();
exit(0);
}
static GEN
gpreadbin(char *s)
{
GEN x = readbin(s,infile);
popinfile(); return x;
}
static void
escape0(char *tch)
{
char *s, c;
if (compatible != NONE)
{
s = tch;
while (*s)
if (*s++ == '=')
{
GEN (*f)(char*, int) = NULL;
int len = (s-tch) - 1;
if (!strncmp(tch,"precision",len)) f = sd_realprecision;
else if (!strncmp(tch,"serieslength",len)) f = sd_seriesprecision;
else if (!strncmp(tch,"format",len)) f = sd_format;
else if (!strncmp(tch,"prompt",len)) f = sd_prompt;
if (f) { f(get_sep(s), d_ACKNOWLEDGE); return; }
break;
}
}
s = tch;
switch ((c = *s++))
{
case 'w': case 'x': case 'a': case 'b': case 'B': case 'm':
{ /* history things */
long d;
GEN x;
if (c != 'w' && c != 'x') d = get_int(s,0);
else
{
d = atol(s); if (*s == '-') s++;
while (isdigit((int)*s)) s++;
}
x = gp_history(GP_DATA->hist, d, tch+1,tch-1);
switch (c)
{
case 'B':
{ /* prettyprinter */
gp_data G = *GP_DATA; /* copy */
gp_hist h = *(G.hist); /* copy */
pariout_t f = *(G.fmt); /* copy */
G.hist = &h; h.total = 0; /* no hist number */
G.fmt = &f; f.prettyp = f_PRETTY;
G.flags &= ~(TEST|TEXMACS);
G.lim_lines = 0;
gp_output(x, &G); break;
}
case 'a': brute (x, GP_DATA->fmt->format, -1); break;
case 'm': matbrute(x, GP_DATA->fmt->format, -1); break;
case 'b': sor(x, GP_DATA->fmt->format, -1, GP_DATA->fmt->fieldw); break;
case 'x': voir(x, get_int(s, -1)); break;
case 'w':
{
GEN g[2]; g[0] = x; g[1] = NULL;
s = get_sep_colon_ok(s); if (!*s) s = current_logfile;
write0(s, g); return;
}
}
pariputc('\n'); return;
}
case 'c': commands(-1); break;
case 'd': help_default(); break;
case 'e':
s = get_sep(s);
if (!*s) s = (GP_DATA->flags & ECHO)? "0": "1";
sd_echo(s,d_ACKNOWLEDGE); break;
case 'g':
switch (*s)
{
case 'm': sd_debugmem(++s,d_ACKNOWLEDGE); break;
case 'f': sd_debugfiles(++s,d_ACKNOWLEDGE); break;
default : sd_debug(s,d_ACKNOWLEDGE); break;
}
break;
case 'h': print_hash_list(s); break;
case 'l':
s = get_sep_colon_ok(s);
if (*s)
{
sd_logfile(s,d_ACKNOWLEDGE);
if (logfile) break;
}
sd_log(logfile?"0":"1",d_ACKNOWLEDGE);
break;
case 'o': sd_output(s,d_ACKNOWLEDGE); break;
case 'p':
switch (*s)
{
case 's': sd_seriesprecision(++s,d_ACKNOWLEDGE); break;
default : sd_realprecision(s,d_ACKNOWLEDGE); break;
}
break;
case 'q': gp_quit(); break;
case 'r':
s = get_sep_colon_ok(s);
switchin(s);
if (file_is_binary(infile))
{
GEN x = gpreadbin(s);
if (isclone(x)) /* many BIN_GEN */
{
long i, l = lg(x);
err(warner,"setting %ld history entries", l-1);
for (i=1; i<l; i++) (void)set_hist_entry(GP_DATA->hist, (GEN)x[i]);
}
}
break;
case 's': etatpile(0); break;
case 't': gentypes(); break;
case 'u':
switch (*s)
{
case 'm': user_member(); break;
default: user_fun();
}
break;
case 'v': print_version(); break;
case 'y':
s = get_sep(s);
if (!*s) s = (GP_DATA->flags & SIMPLIFY)? "0": "1";
sd_simplify(s,d_ACKNOWLEDGE); break;
default: err(caracer1,tch-1,tch-2);
}
}
static void
escape(char *tch)
{
char *old = get_analyseur();
set_analyseur(tch); /* for error messages */
escape0(tch);
set_analyseur(old);
}
/********************************************************************/
/* */
/* GPRC */
/* */
/********************************************************************/
#if defined(UNIX) || defined(__EMX__)
# include <pwd.h>
#endif
static int get_line_from_file(char *prompt, filtre_t *F, FILE *file);
#define err_gprc(s,t,u) { fprintferr("\n"); err(talker2,s,t,u); }
static void
init_filtre(filtre_t *F, void *data)
{
F->data = data;
F->in_string = 0;
F->in_comment = 0;
F->downcase = 0;
}
/* LOCATE GPRC */
/* return $HOME or the closest we can find */
static char *
get_home(int *free_it)
{
char *drv, *pth = os_getenv("HOME");
if (pth) return pth;
if ((drv = os_getenv("HOMEDRIVE"))
&& (pth = os_getenv("HOMEPATH")))
{ /* looks like WinNT */
char *buf = gpmalloc(strlen(pth) + strlen(drv) + 1);
sprintf(buf, "%s%s",drv,pth);
*free_it = 1; return buf;
}
#if defined(__EMX__) || defined(UNIX)
{
struct passwd *p = getpwuid(geteuid());
if (p) return p->pw_dir;
}
#endif
return ".";
}
static FILE *
gprc_chk(char *s)
{
FILE *f = fopen(s, "r");
if (f && !(GP_DATA->flags & QUIET)) fprintferr("Reading GPRC: %s ...", s);
return f;
}
/* Look for [._]gprc: $GPRC, then in $HOME, /, C:/ */
static FILE *
gprc_get(void)
{
FILE *f = NULL;
char *str, *s, c;
long l;
#ifdef macintosh
f = gprc_chk("gprc");
#else
s = os_getenv("GPRC");
if (s) f = gprc_chk(s);
if (!f)
{
int free_it = 0;
s = get_home(&free_it); l = strlen(s); c = s[l-1];
str = strcpy(gpmalloc(l+7), s);
if (free_it) free(s);
s = str + l;
if (c != '/' && c != '\\') *s++ = '/';
#ifdef UNIX
*s = '.'; /* .gprc */
#else
*s = '_'; /* _gprc */
#endif
strcpy(s+1, "gprc");
f = gprc_chk(str); /* in $HOME */
if (!f) f = gprc_chk(s); /* in . */
if (!f) f = gprc_chk("/etc/gprc");
if (!f) f = gprc_chk("C:/_gprc");
free(str);
}
#endif
return f;
}
/* PREPROCESSOR */
static ulong
read_uint(char **s)
{
long v = atol(*s);
if (!isdigit((int)**s)) err_gprc("not an integer", *s, *s);
while (isdigit((int)**s)) (*s)++;
return v;
}
static ulong
read_dot_uint(char **s)
{
if (**s != '.') return 0;
(*s)++; return read_uint(s);
}
/* read a.b.c */
static long
read_version(char **s)
{
long a, b, c;
a = read_uint(s);
b = read_dot_uint(s);
c = read_dot_uint(s);
return PARI_VERSION(a,b,c);
}
static int
get_preproc_value(char **s)
{
if (!strncmp(*s,"EMACS",5))
{
*s += 5;
return GP_DATA->flags & (EMACS|TEXMACS);
}
if (!strncmp(*s,"READL",5))
{
*s += 5;
return GP_DATA->flags & USE_READLINE;
}
if (!strncmp(*s,"VERSION",7))
{
int less = 0, orequal = 0;
long d;
*s += 7;
switch(**s)
{
case '<': (*s)++; less = 1; break;
case '>': (*s)++; less = 0; break;
default: return -1;
}
if (**s == '=') { (*s)++; orequal = 1; }
d = PARI_VERSION_CODE - read_version(s);
if (!d) return orequal;
return less? (d < 0): (d > 0);
}
return -1;
}
/* PARSE GPRC */
/* 1) replace next separator by '\0' (t must be writeable)
* 2) return the next expression ("" if none)
* see get_sep0() */
static char *
next_expr(char *t)
{
int outer = 1;
char *s = t;
for(;;)
{
char c;
switch ((c = *s++))
{
case '"':
if (outer || (s >= t+2 && s[-2] != '\\')) outer = !outer;
break;
case '\0':
return "";
default:
if (outer && separe(c)) { s[-1] = 0; return s; }
}
}
}
static char **
gp_initrc(void)
{
char **flist, *nexts,*s,*t;
FILE *file = gprc_get();
long fnum = 4, find = 0;
Buffer *b;
filtre_t F;
if (!file) return NULL;
flist = (char **) gpmalloc(fnum * sizeof(char*));
b = new_buffer();
init_filtre(&F, (void*)b);
for(;;)
{
if (!get_line_from_file(NULL,&F,file)) break;
s = b->buf;
if (*s == '#')
{ /* preprocessor directive */
int z, NOT = 0;
s++;
if (strncmp(s,"if",2)) err_gprc("unknown directive",s,b->buf);
s += 2;
if (!strncmp(s,"not",3)) { NOT = !NOT; s += 3; }
if (*s == '!') { NOT = !NOT; s++; }
t = s;
z = get_preproc_value(&s);
if (z < 0) err_gprc("unknown preprocessor variable",t,b->buf);
if (NOT) z = !z;
if (!*s)
{ /* make sure at least an expr follows the directive */
if (!get_line_from_file(NULL,&F,file)) break;
s = b->buf;
}
if (!z) continue; /* dump current line */
}
/* parse line */
for ( ; *s; s = nexts)
{
nexts = next_expr(s);
if (!strncmp(s,"read",4))
{ /* read file */
s += 4;
if (find == fnum-1)
{
fnum <<= 1;
flist = (char**)gprealloc(flist, fnum*sizeof(char*));
}
flist[find++] = t = gpmalloc(strlen(s) + 1);
if (*s == '"') (void)readstring(s, t);
else strcpy(t,s);
}
else
{ /* set default */
t = s; while (*t && *t != '=') t++;
if (*t != '=') err_gprc("missing '='",t,b->buf);
*t++ = 0;
if (*t == '"') (void)readstring(t, t);
setdefault(s,t,d_INITRC);
}
}
}
del_buffer(b);
if (!(GP_DATA->flags & QUIET)) fprintferr("Done.\n\n");
fclose(file); flist[find] = NULL;
return flist;
}
/********************************************************************/
/* */
/* GP MAIN LOOP */
/* */
/********************************************************************/
/* flag:
* ti_NOPRINT don't print
* ti_REGULAR print elapsed time (flags & CHRONO)
* ti_LAST print last elapsed time (##)
* ti_INTERRUPT received a SIGINT
*/
static char *
do_time(long flag)
{
static char buf[64];
static long last = 0;
long delay = (flag == ti_LAST)? last: TIMER(GP_DATA->T);
char *s;
last = delay;
switch(flag)
{
case ti_REGULAR: s = "time = "; break;
case ti_INTERRUPT: s = "user interrupt after "; break;
case ti_LAST: s = " *** last result computed in "; break;
default: return NULL;
}
strcpy(buf,s); s = buf+strlen(s);
strcpy(s, term_get_color(c_TIME)); s+=strlen(s);
if (delay >= 3600000)
{
sprintf(s, "%ldh, ", delay / 3600000); s+=strlen(s);
delay %= 3600000;
}
if (delay >= 60000)
{
sprintf(s, "%ldmn, ", delay / 60000); s+=strlen(s);
delay %= 60000;
}
if (delay >= 1000)
{
sprintf(s, "%ld,", delay / 1000); s+=strlen(s);
delay %= 1000;
if (delay < 100)
{
sprintf(s, "%s", (delay<10)? "00": "0");
s+=strlen(s);
}
}
sprintf(s, "%ld ms", delay); s+=strlen(s);
strcpy(s, term_get_color(c_NONE));
if (flag != ti_INTERRUPT) { s+=strlen(s); *s++='.'; *s++='\n'; *s=0; }
return buf;
}
static void
gp_handle_SIGINT(void)
{
#ifdef _WIN32
if (++win32ctrlc >= 5) _exit(3);
#else
if (GP_DATA->flags & TEXMACS) tm_start_output();
err(siginter, do_time(ti_INTERRUPT));
#endif
}
static void
gp_sighandler(int sig)
{
char *msg;
os_signal(sig,gp_sighandler);
switch(sig)
{
#ifdef SIGBREAK
case SIGBREAK: gp_handle_SIGINT(); return;
#endif
#ifdef SIGINT
case SIGINT: gp_handle_SIGINT(); return;
#endif
#ifdef SIGSEGV
case SIGSEGV: msg = "GP (Segmentation Fault)"; break;
#endif
#ifdef SIGBUS
case SIGBUS: msg = "GP (Bus Error)"; break;
#endif
#ifdef SIGFPE
case SIGFPE: msg = "GP (Floating Point Exception)"; break;
#endif
#ifdef SIGPIPE
case SIGPIPE:
{
pariFILE *f = GP_DATA->pp->file;
if (f && pari_outfile == f->file)
{
GP_DATA->pp->file = NULL; /* to avoid oo recursion on error */
pari_outfile = stdout; pari_fclose(f);
}
err(talker, "Broken Pipe, resetting file stack...");
return; /* not reached */
}
#endif
default: msg = "signal handling"; break;
}
err(bugparier, msg);
}
static void
brace_color(char *s, int c, int force)
{
if (disable_color || (gp_colors[c] == c_NONE && !force)) return;
#ifdef RL_PROMPT_START_IGNORE
*s++ = RL_PROMPT_START_IGNORE;
#endif
strcpy(s, term_get_color(c));
#ifdef RL_PROMPT_START_IGNORE
s+=strlen(s);
*s++ = RL_PROMPT_END_IGNORE; *s = 0;
#endif
}
static char *
do_prompt(int in_comment, char *p)
{
static char buf[MAX_PROMPT_LEN + 24]; /* + room for color codes */
char *s;
if (GP_DATA->flags & TEST) return prompt;
s = buf; *s = 0;
/* escape sequences bug readline, so use special bracing (if available) */
brace_color(s, c_PROMPT, 0);
s += strlen(s);
if (in_comment)
strcpy(s, COMMENTPROMPT);
else
do_strftime(p,s, MAX_PROMPT_LEN-1);
s += strlen(s);
brace_color(s, c_INPUT, 1); return buf;
}
static char *
fgets_texmacs(char *s, int n, FILE *f)
{
tm_start_output(); tm_end_output(); /* tell TeXmacs we need input */
return fgets(s,n,f);
}
/* Read from file (up to '\n' or EOF) and copy at s0 (points in b->buf) */
static char *
file_input(Buffer *b, char **s0, input_method *IM)
{
int first = 1;
char *s = *s0;
long used0, used = s - b->buf;
used0 = used;
for(;;)
{
long left = b->len - used, l;
if (left < 512)
{
fix_buffer(b, b->len << 1);
left = b->len - used;
*s0 = b->buf + used0;
}
s = b->buf + used;
if (! IM->fgets(s, left, IM->file))
return first? NULL: *s0; /* EOF */
l = strlen(s); first = 0;
if (l+1 < left || s[l-1] == '\n') return *s0; /* \n */
used += l;
}
}
/* Read a "complete line" and filter it. Return: 0 if EOF, 1 otherwise */
int
input_loop(filtre_t *F, input_method *IM)
{
Buffer *b = (Buffer*)F->data;
char *to_read, *s = b->buf;
/* read first line */
handle_C_C = 0;
while (! (to_read = IM->getline(b,&s,IM)) )
{ /* EOF */
if (!handle_C_C) { check_filtre(F); return 0; }
/* received ^C in getline and coming back from break_loop();
* retry (as if "\n" were input) */
handle_C_C = 0;
}
/* buffer is not empty, init filter */
F->in_string = 0;
F->more_input= 0;
F->wait_for_brace = 0;
for(;;)
{
F->s = to_read;
F->t = s;
(void)filtre0(F);
if (IM->free) free(to_read);
if (! F->more_input) break;
/* read continuation line */
s = F->end;
if (IM->prompt) IM->prompt = do_prompt(F->in_comment, prompt_cont);
to_read = IM->getline(b,&s, IM);
if (!to_read) break;
}
return 1;
}
/* prompt = NULL --> from gprc. Return 1 if new input, and 0 if EOF */
static int
get_line_from_file(char *prompt, filtre_t *F, FILE *file)
{
const int TeXmacs = ((GP_DATA->flags & TEXMACS) && file == stdin);
char *s;
input_method IM;
IM.file = file;
IM.fgets= TeXmacs? &fgets_texmacs: &fgets;
IM.prompt = NULL;
IM.getline= &file_input;
IM.free = 0;
if (! input_loop(F,&IM))
{
if (TeXmacs) tm_start_output();
return 0;
}
s = ((Buffer*)F->data)->buf;
if (*s && prompt) /* don't echo if from gprc */
{
if (GP_DATA->flags & ECHO)
{ pariputs(prompt); pariputs(s); pariputc('\n'); }
else
if (logfile) fprintf(logfile, "%s%s\n",prompt,s);
pariflush();
}
if (GP_DATA->flags & TEXMACS) tm_start_output();
return 1;
}
static int
get_line_from_user(char *prompt, filtre_t *F)
{
pariputs(prompt);
return get_line_from_file(prompt,F,infile);
}
static int
is_interactive(void)
{
ulong f = GP_DATA->flags;
#if defined(UNIX) || defined(__EMX__)
return (infile == stdin && !(f & TEXMACS)
&& (f & EMACS || isatty(fileno(stdin))));
#else
return (infile == stdin && !(f & TEXMACS));
#endif
}
extern int get_line_from_readline(char *prompt, filtre_t *F);
/* return 0 if no line could be read (EOF) */
static int
read_line(filtre_t *F, char *PROMPT)
{
int res;
if (compatible == OLDALL) F->downcase = 1;
if (is_interactive())
{
if (!PROMPT) PROMPT = do_prompt(F->in_comment, prompt);
#ifdef READLINE
if (GP_DATA->flags & USE_READLINE)
res = get_line_from_readline(PROMPT, F);
else
#endif
res = get_line_from_user(PROMPT, F);
if (!disable_color) { term_color(c_NONE); pariflush(); }
}
else
res = get_line_from_file(DFT_PROMPT,F,infile);
return res;
}
static int
chron(char *s)
{
if (*s)
{ /* if "#" or "##" timer metacommand. Otherwise let the parser get it */
if (*s == '#') s++;
if (*s) return 0;
pariputs(do_time(ti_LAST));
}
else { GP_DATA->flags ^= CHRONO; sd_timer("",d_ACKNOWLEDGE); }
return 1;
}
/* return 0: can't interpret *buf as a metacommand
* 1: did interpret *buf as a metacommand or empty command */
static int
check_meta(char *buf)
{
switch(*buf++)
{
case '?': aide(buf, h_REGULAR); break;
case '#': return chron(buf);
case '\\': escape(buf); break;
case '\0': break;
default: return 0;
}
return 1;
}
/* kill all history entries since loc */
static void
prune_history(gp_hist *H, long loc)
{
long i, j;
i = (H->total-1) % H->size;
j = H->total - loc;
for ( ; j > 0; i--,j--)
{
if (H->res[i])
{
gunclone(H->res[i]);
H->res[i] = NULL;
}
if (!i) i = H->size;
}
H->total = loc;
}
static int
is_silent(char *s) { char c = s[strlen(s) - 1]; return separe(c); }
/* If there are other buffers open (bufstack != NULL), we are doing an
* immediate read (with read, extern...) */
static GEN
gp_main_loop(int ismain)
{
gp_hist *H = GP_DATA->hist;
gpmem_t av = avma;
GEN z = gnil;
Buffer *b = new_buffer();
filtre_t F;
if (!setjmp(b->env))
{
b->flenv = 1;
push_stack(&bufstack, (void*)b);
}
init_filtre(&F, (void*)b);
for (; ; setjmp(b->env), avma = av)
{
if (ismain)
{
static long tloc, outtyp;
tloc = H->total;
outtyp = GP_DATA->fmt->prettyp;
recover(0);
if (setjmp(environnement))
{ /* recover from error */
char *s = (char*)global_err_data;
if (s && *s) outerr(lisseq(s));
avma = top;
prune_history(H, tloc);
GP_DATA->fmt->prettyp = outtyp;
kill_all_buffers(b);
}
}
if (paribufsize != b->len) fix_buffer(b, paribufsize);
if (! read_line(&F, NULL))
{
#ifdef _WIN32
Sleep(10); if (win32ctrlc) dowin32ctrlc();
#endif
if (popinfile()) gp_quit();
if (ismain) continue;
pop_buffer(); return z;
}
if (check_meta(b->buf)) continue;
if (ismain)
{
gpsilent = is_silent(b->buf);
TIMERstart(GP_DATA->T);
}
z = readseq(b->buf, GP_DATA->flags & STRICTMATCH);
if (! ismain) continue;
if (GP_DATA->flags & CHRONO)
pariputs(do_time(ti_REGULAR));
else
do_time(ti_NOPRINT);
if (z == gnil) continue;
if (GP_DATA->flags & SIMPLIFY) z = simplify_i(z);
z = set_hist_entry(H, z);
if (!gpsilent) gp_output(z, GP_DATA);
}
}
GEN
read0(char *s)
{
switchin(s);
if (file_is_binary(infile)) return gpreadbin(s);
return gp_main_loop(0);
}
static void
check_secure(char *s)
{
if (GP_DATA->flags & SECURE)
err(talker, "[secure mode]: system commands not allowed\nTried to run '%s'",s);
}
GEN
extern0(char *s)
{
check_secure(s);
infile = try_pipe(s, mf_IN)->file;
return gp_main_loop(0);
}
static int
silent(void)
{
if (gpsilent) return 1;
{ char c = get_analyseur()[1]; return separe(c); }
}
GEN
default0(char *a, char *b, long flag)
{
return setdefault(a,b, flag? d_RETURN
: silent()? d_SILENT: d_ACKNOWLEDGE);
}
GEN
input0(void)
{
Buffer *b = new_buffer();
filtre_t F;
GEN x;
init_filtre(&F, (void*)b);
push_stack(&bufstack, (void*)b);
while (! get_line_from_file(DFT_INPROMPT,&F,infile))
if (popinfile()) { fprintferr("no input ???"); gp_quit(); }
x = lisseq(b->buf);
pop_buffer(); return x;
}
void
system0(char *s)
{
#if defined(UNIX) || defined(__EMX__)
check_secure(s);
system(s);
#else
err(archer);
#endif
}
int
break_loop(long numerr)
{
static FILE *oldinfile = NULL;
static char *old = NULL;
static Buffer *b = NULL;
int go_on = 0;
char *s, *t, *msg;
filtre_t F;
if (b) jump_to_given_buffer(b);
push_stack(&bufstack, (void*)new_buffer());
b = current_buffer; /* buffer created above */
if (setjmp(b->env))
{
msg = "back to break loop";
s = t = NULL;
}
else
{
msg = "Starting break loop (type 'break' to go back to GP)";
old = s = get_analyseur();
t = NULL;
if (bufstack->prev)
{
Buffer *oldb = (Buffer*)bufstack->prev->value;
t = oldb->buf;
/* something fishy, probably a ^C, or we overran analyseur */
if (!s || !s[-1] || s < t || s >= t + oldb->len) s = NULL;
}
b->flenv = 1; oldinfile = infile;
}
init_filtre(&F, (void*)b);
term_color(c_ERR); pariputc('\n');
errcontext(msg, s, t); if (s) pariputc('\n');
term_color(c_NONE);
if (numerr == siginter) pariputs("['' or 'next' will continue]\n");
infile = stdin;
for(;;)
{
GEN x;
if (! read_line(&F, BREAK_LOOP_PROMPT)) break;
if (check_meta(b->buf))
{ /* break loop initiated by ^C? Empty input --> continue computation */
if (numerr == siginter && *(b->buf) == 0) { handle_C_C=go_on=1; break; }
continue;
}
x = lisseq(b->buf);
if (did_break())
{
if (numerr == siginter && did_break() == br_NEXT)
{
(void)loop_break(); /* clear status flag */
go_on = 1;
}
break;
}
if (x == gnil || is_silent(b->buf)) continue;
term_color(c_OUTPUT); gen_output(x, GP_DATA->fmt);
term_color(c_NONE); pariputc('\n');
}
if (old && !s) set_analyseur(old);
b = NULL; infile = oldinfile;
pop_buffer(); return go_on;
}
int
gp_exception_handler(long numerr)
{
char *s = (char*)global_err_data;
if (s && *s) { fprintferr("\n"); outerr(lisseq(s)); }
else
{
if (numerr == errpile) avma = top;
return break_loop(numerr);
}
return 0;
}
static void
testuint(char *s, ulong *d) { if (s) *d = get_uint(s); }
static char *
read_arg(int *nread, char *t, long argc, char **argv)
{
int i = *nread;
if (isdigit((int)*t)) return t;
if (*t || i==argc) usage(argv[0]);
*nread = i+1; return argv[i];
}
static char**
read_opt(long argc, char **argv)
{
char *b=NULL, *p=NULL, *s=NULL, **pre;
int i=1, initrc=1;
pari_outfile=stderr;
while (i<argc)
{
char *t = argv[i++];
if (*t++ != '-') usage(argv[0]);
switch(*t++)
{
case 'b': b = read_arg(&i,t,argc,argv); break;
case 'p': p = read_arg(&i,t,argc,argv); break;
case 's': s = read_arg(&i,t,argc,argv); break;
case 'e':
if (strncmp(t,"macs",4)) usage(argv[0]);
GP_DATA->flags |= EMACS; break;
case 'q':
GP_DATA->flags |= QUIET; break;
case 't':
if (strncmp(t,"est",3)) usage(argv[0]);
disable_color = 1; GP_DATA->flags |= TEST; /* fall through */
case 'f':
initrc = 0; break;
case '-':
if (strcmp(t, "version") == 0) { print_version(); exit(0); }
if (strcmp(t, "texmacs") == 0) { GP_DATA->flags |= TEXMACS; break; }
/* fall through */
default:
usage(argv[0]);
}
}
if (GP_DATA->flags & TEXMACS) tm_start_output();
pre = initrc? gp_initrc(): NULL;
/* override the values from gprc */
testuint(b, &paribufsize); if (paribufsize < 10) paribufsize = 10;
testuint(p, &primelimit);
testuint(s, (ulong*)&top);
if (GP_DATA->flags & (EMACS|TEXMACS)) disable_color = 1;
pari_outfile = stdout; return pre;
}
#ifdef WINCE
int
WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPWSTR lpCmdLine, int nShowCmd)
{
char **argv = NULL;
int argc = 1;
#else
int
main(int argc, char **argv)
{
#endif
char **flist;
init_defaults(1); gp_preinit();
if (setjmp(environnement))
{
pariputs("### Errors on startup, exiting...\n\n");
exit(1);
}
#ifdef __MWERKS__
argc = ccommand(&argv);
#endif
flist = read_opt(argc,argv);
pari_addfunctions(&pari_modules, functions_gp,helpmessages_gp);
pari_addfunctions(&pari_modules, functions_highlevel,helpmessages_highlevel);
pari_addfunctions(&pari_oldmodules, functions_oldgp,helpmessages_oldgp);
init_graph();
INIT_SIG_off;
pari_init(top-bot, primelimit);
INIT_SIG_on;
pari_sig_init(gp_sighandler);
#ifdef READLINE
if (GP_DATA->flags & USE_READLINE) {
init_readline();
readline_init = 1;
}
#endif
whatnow_fun = whatnow;
default_exception_handler = gp_exception_handler;
gp_expand_path(GP_DATA->path);
if (!(GP_DATA->flags & QUIET)) gp_head();
if (flist)
{
ulong f = GP_DATA->flags;
FILE *l = logfile;
char **s = flist;
GP_DATA->flags &= ~(CHRONO|ECHO); logfile = NULL;
for ( ; *s; s++) { read0(*s); free(*s); }
GP_DATA->flags = f; logfile = l; free(flist);
}
TIMERstart(GP_DATA->T); (void)timer(); (void)timer2();
(void)gp_main_loop(1);
gp_quit(); return 0; /* not reached */
}
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