diff options
Diffstat (limited to 'gcc/f/runtime/libI77/rsne.c')
-rw-r--r-- | gcc/f/runtime/libI77/rsne.c | 607 |
1 files changed, 0 insertions, 607 deletions
diff --git a/gcc/f/runtime/libI77/rsne.c b/gcc/f/runtime/libI77/rsne.c deleted file mode 100644 index 86bb2164f12..00000000000 --- a/gcc/f/runtime/libI77/rsne.c +++ /dev/null @@ -1,607 +0,0 @@ -#include "f2c.h" -#include "fio.h" -#include "lio.h" - -#define MAX_NL_CACHE 3 /* maximum number of namelist hash tables to cache */ -#define MAXDIM 20 /* maximum number of subscripts */ - - struct dimen { - ftnlen extent; - ftnlen curval; - ftnlen delta; - ftnlen stride; - }; - typedef struct dimen dimen; - - struct hashentry { - struct hashentry *next; - char *name; - Vardesc *vd; - }; - typedef struct hashentry hashentry; - - struct hashtab { - struct hashtab *next; - Namelist *nl; - int htsize; - hashentry *tab[1]; - }; - typedef struct hashtab hashtab; - - static hashtab *nl_cache; - static int n_nlcache; - static hashentry **zot; - static int colonseen; - extern ftnlen f__typesize[]; - - extern flag f__lquit; - extern int f__lcount, nml_read; - extern t_getc(Void); - -#ifdef KR_headers - extern char *malloc(), *memset(); - -#ifdef ungetc - static int -un_getc(x,f__cf) int x; FILE *f__cf; -{ return ungetc(x,f__cf); } -#else -#define un_getc ungetc - extern int ungetc(); -#endif - -#else -#undef abs -#undef min -#undef max -#include <stdlib.h> -#include <string.h> - -#ifdef ungetc - static int -un_getc(int x, FILE *f__cf) -{ return ungetc(x,f__cf); } -#else -#define un_getc ungetc -extern int ungetc(int, FILE*); /* for systems with a buggy stdio.h */ -#endif -#endif - - static Vardesc * -#ifdef KR_headers -hash(ht, s) hashtab *ht; register char *s; -#else -hash(hashtab *ht, register char *s) -#endif -{ - register int c, x; - register hashentry *h; - char *s0 = s; - - for(x = 0; c = *s++; x = x & 0x4000 ? ((x << 1) & 0x7fff) + 1 : x << 1) - x += c; - for(h = *(zot = ht->tab + x % ht->htsize); h; h = h->next) - if (!strcmp(s0, h->name)) - return h->vd; - return 0; - } - - hashtab * -#ifdef KR_headers -mk_hashtab(nl) Namelist *nl; -#else -mk_hashtab(Namelist *nl) -#endif -{ - int nht, nv; - hashtab *ht; - Vardesc *v, **vd, **vde; - hashentry *he; - - hashtab **x, **x0, *y; - for(x = &nl_cache; y = *x; x0 = x, x = &y->next) - if (nl == y->nl) - return y; - if (n_nlcache >= MAX_NL_CACHE) { - /* discard least recently used namelist hash table */ - y = *x0; - free((char *)y->next); - y->next = 0; - } - else - n_nlcache++; - nv = nl->nvars; - if (nv >= 0x4000) - nht = 0x7fff; - else { - for(nht = 1; nht < nv; nht <<= 1); - nht += nht - 1; - } - ht = (hashtab *)malloc(sizeof(hashtab) + (nht-1)*sizeof(hashentry *) - + nv*sizeof(hashentry)); - if (!ht) - return 0; - he = (hashentry *)&ht->tab[nht]; - ht->nl = nl; - ht->htsize = nht; - ht->next = nl_cache; - nl_cache = ht; - memset((char *)ht->tab, 0, nht*sizeof(hashentry *)); - vd = nl->vars; - vde = vd + nv; - while(vd < vde) { - v = *vd++; - if (!hash(ht, v->name)) { - he->next = *zot; - *zot = he; - he->name = v->name; - he->vd = v; - he++; - } - } - return ht; - } - -static char Alpha[256], Alphanum[256]; - - static VOID -nl_init(Void) { - register char *s; - register int c; - - for(s = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; c = *s++; ) - Alpha[c] - = Alphanum[c] - = Alpha[c + 'a' - 'A'] - = Alphanum[c + 'a' - 'A'] - = c; - for(s = "0123456789_"; c = *s++; ) - Alphanum[c] = c; - } - -#define GETC(x) (x=(*l_getc)()) -#define Ungetc(x,y) (*l_ungetc)(x,y) - - static int -#ifdef KR_headers -getname(s, slen) register char *s; int slen; -#else -getname(register char *s, int slen) -#endif -{ - register char *se = s + slen - 1; - register int ch; - - GETC(ch); - if (!(*s++ = Alpha[ch & 0xff])) { - if (ch != EOF) - ch = 115; - errfl(f__elist->cierr, ch, "namelist read"); - } - while(*s = Alphanum[GETC(ch) & 0xff]) - if (s < se) - s++; - if (ch == EOF) - err(f__elist->cierr, EOF, "namelist read"); - if (ch > ' ') - Ungetc(ch,f__cf); - return *s = 0; - } - - static int -#ifdef KR_headers -getnum(chp, val) int *chp; ftnlen *val; -#else -getnum(int *chp, ftnlen *val) -#endif -{ - register int ch, sign; - register ftnlen x; - - while(GETC(ch) <= ' ' && ch >= 0); - if (ch == '-') { - sign = 1; - GETC(ch); - } - else { - sign = 0; - if (ch == '+') - GETC(ch); - } - x = ch - '0'; - if (x < 0 || x > 9) - return 115; - while(GETC(ch) >= '0' && ch <= '9') - x = 10*x + ch - '0'; - while(ch <= ' ' && ch >= 0) - GETC(ch); - if (ch == EOF) - return EOF; - *val = sign ? -x : x; - *chp = ch; - return 0; - } - - static int -#ifdef KR_headers -getdimen(chp, d, delta, extent, x1) - int *chp; dimen *d; ftnlen delta, extent, *x1; -#else -getdimen(int *chp, dimen *d, ftnlen delta, ftnlen extent, ftnlen *x1) -#endif -{ - register int k; - ftnlen x2, x3; - - if (k = getnum(chp, x1)) - return k; - x3 = 1; - if (*chp == ':') { - if (k = getnum(chp, &x2)) - return k; - x2 -= *x1; - if (*chp == ':') { - if (k = getnum(chp, &x3)) - return k; - if (!x3) - return 123; - x2 /= x3; - colonseen = 1; - } - if (x2 < 0 || x2 >= extent) - return 123; - d->extent = x2 + 1; - } - else - d->extent = 1; - d->curval = 0; - d->delta = delta; - d->stride = x3; - return 0; - } - -#ifndef No_Namelist_Questions - static Void -#ifdef KR_headers -print_ne(a) cilist *a; -#else -print_ne(cilist *a) -#endif -{ - flag intext = f__external; - int rpsave = f__recpos; - FILE *cfsave = f__cf; - unit *usave = f__curunit; - cilist t; - t = *a; - t.ciunit = 6; - s_wsne(&t); - fflush(f__cf); - f__external = intext; - f__reading = 1; - f__recpos = rpsave; - f__cf = cfsave; - f__curunit = usave; - f__elist = a; - } -#endif - - static char where0[] = "namelist read start "; - -#ifdef KR_headers -x_rsne(a) cilist *a; -#else -x_rsne(cilist *a) -#endif -{ - int ch, got1, k, n, nd, quote, readall; - Namelist *nl; - static char where[] = "namelist read"; - char buf[64]; - hashtab *ht; - Vardesc *v; - dimen *dn, *dn0, *dn1; - ftnlen *dims, *dims1; - ftnlen b, b0, b1, ex, no, no1, nomax, size, span; - ftnint type; - char *vaddr; - long iva, ivae; - dimen dimens[MAXDIM], substr; - - if (!Alpha['a']) - nl_init(); - f__reading=1; - f__formatted=1; - got1 = 0; - top: - for(;;) switch(GETC(ch)) { - case EOF: - eof: - err(a->ciend,(EOF),where0); - case '&': - case '$': - goto have_amp; -#ifndef No_Namelist_Questions - case '?': - print_ne(a); - continue; -#endif - default: - if (ch <= ' ' && ch >= 0) - continue; -#ifndef No_Namelist_Comments - while(GETC(ch) != '\n') - if (ch == EOF) - goto eof; -#else - errfl(a->cierr, 115, where0); -#endif - } - have_amp: - if (ch = getname(buf,(int) sizeof(buf))) - return ch; - nl = (Namelist *)a->cifmt; - if (strcmp(buf, nl->name)) -#ifdef No_Bad_Namelist_Skip - errfl(a->cierr, 118, where0); -#else - { - fprintf(stderr, - "Skipping namelist \"%s\": seeking namelist \"%s\".\n", - buf, nl->name); - fflush(stderr); - for(;;) switch(GETC(ch)) { - case EOF: - err(a->ciend, EOF, where0); - case '/': - case '&': - case '$': - if (f__external) - e_rsle(); - else - z_rnew(); - goto top; - case '"': - case '\'': - quote = ch; - more_quoted: - while(GETC(ch) != quote) - if (ch == EOF) - err(a->ciend, EOF, where0); - if (GETC(ch) == quote) - goto more_quoted; - Ungetc(ch,f__cf); - default: - continue; - } - } -#endif - ht = mk_hashtab(nl); - if (!ht) - errfl(f__elist->cierr, 113, where0); - for(;;) { - for(;;) switch(GETC(ch)) { - case EOF: - if (got1) - return 0; - err(a->ciend, EOF, where0); - case '/': - case '$': - case '&': - return 0; - default: - if (ch <= ' ' && ch >= 0 || ch == ',') - continue; - Ungetc(ch,f__cf); - if (ch = getname(buf,(int) sizeof(buf))) - return ch; - goto havename; - } - havename: - v = hash(ht,buf); - if (!v) - errfl(a->cierr, 119, where); - while(GETC(ch) <= ' ' && ch >= 0); - vaddr = v->addr; - type = v->type; - if (type < 0) { - size = -type; - type = TYCHAR; - } - else - size = f__typesize[type]; - ivae = size; - iva = readall = 0; - if (ch == '(' /*)*/ ) { - dn = dimens; - if (!(dims = v->dims)) { - if (type != TYCHAR) - errfl(a->cierr, 122, where); - if (k = getdimen(&ch, dn, (ftnlen)size, - (ftnlen)size, &b)) - errfl(a->cierr, k, where); - if (ch != ')') - errfl(a->cierr, 115, where); - b1 = dn->extent; - if (--b < 0 || b + b1 > size) - return 124; - iva += b; - size = b1; - while(GETC(ch) <= ' ' && ch >= 0); - goto scalar; - } - nd = (int)dims[0]; - nomax = span = dims[1]; - ivae = iva + size*nomax; - colonseen = 0; - if (k = getdimen(&ch, dn, size, nomax, &b)) - errfl(a->cierr, k, where); - no = dn->extent; - b0 = dims[2]; - dims1 = dims += 3; - ex = 1; - for(n = 1; n++ < nd; dims++) { - if (ch != ',') - errfl(a->cierr, 115, where); - dn1 = dn + 1; - span /= *dims; - if (k = getdimen(&ch, dn1, dn->delta**dims, - span, &b1)) - errfl(a->cierr, k, where); - ex *= *dims; - b += b1*ex; - no *= dn1->extent; - dn = dn1; - } - if (ch != ')') - errfl(a->cierr, 115, where); - readall = 1 - colonseen; - b -= b0; - if (b < 0 || b >= nomax) - errfl(a->cierr, 125, where); - iva += size * b; - dims = dims1; - while(GETC(ch) <= ' ' && ch >= 0); - no1 = 1; - dn0 = dimens; - if (type == TYCHAR && ch == '(' /*)*/) { - if (k = getdimen(&ch, &substr, size, size, &b)) - errfl(a->cierr, k, where); - if (ch != ')') - errfl(a->cierr, 115, where); - b1 = substr.extent; - if (--b < 0 || b + b1 > size) - return 124; - iva += b; - b0 = size; - size = b1; - while(GETC(ch) <= ' ' && ch >= 0); - if (b1 < b0) - goto delta_adj; - } - if (readall) - goto delta_adj; - for(; dn0 < dn; dn0++) { - if (dn0->extent != *dims++ || dn0->stride != 1) - break; - no1 *= dn0->extent; - } - if (dn0 == dimens && dimens[0].stride == 1) { - no1 = dimens[0].extent; - dn0++; - } - delta_adj: - ex = 0; - for(dn1 = dn0; dn1 <= dn; dn1++) - ex += (dn1->extent-1) - * (dn1->delta *= dn1->stride); - for(dn1 = dn; dn1 > dn0; dn1--) { - ex -= (dn1->extent - 1) * dn1->delta; - dn1->delta -= ex; - } - } - else if (dims = v->dims) { - no = no1 = dims[1]; - ivae = iva + no*size; - } - else - scalar: - no = no1 = 1; - if (ch != '=') - errfl(a->cierr, 115, where); - got1 = nml_read = 1; - f__lcount = 0; - readloop: - for(;;) { - if (iva >= ivae || iva < 0) { - f__lquit = 1; - goto mustend; - } - else if (iva + no1*size > ivae) - no1 = (ivae - iva)/size; - f__lquit = 0; - if (k = l_read(&no1, vaddr + iva, size, type)) - return k; - if (f__lquit == 1) - return 0; - if (readall) { - iva += dn0->delta; - if (f__lcount > 0) { - no1 = (ivae - iva)/size; - if (no1 > f__lcount) - no1 = f__lcount; - iva += no1 * dn0->delta; - if (k = l_read(&no1, vaddr + iva, - size, type)) - return k; - } - } - mustend: - GETC(ch); - if (readall) - if (iva >= ivae) - readall = 0; - else for(;;) { - switch(ch) { - case ' ': - case '\t': - case '\n': - GETC(ch); - continue; - } - break; - } - if (ch == '/' || ch == '$' || ch == '&') { - f__lquit = 1; - return 0; - } - else if (f__lquit) { - while(ch <= ' ' && ch >= 0) - GETC(ch); - Ungetc(ch,f__cf); - if (!Alpha[ch & 0xff] && ch >= 0) - errfl(a->cierr, 125, where); - break; - } - Ungetc(ch,f__cf); - if (readall && !Alpha[ch & 0xff]) - goto readloop; - if ((no -= no1) <= 0) - break; - for(dn1 = dn0; dn1 <= dn; dn1++) { - if (++dn1->curval < dn1->extent) { - iva += dn1->delta; - goto readloop; - } - dn1->curval = 0; - } - break; - } - } - } - - integer -#ifdef KR_headers -s_rsne(a) cilist *a; -#else -s_rsne(cilist *a) -#endif -{ - extern int l_eof; - int n; - - f__external=1; - l_eof = 0; - if(n = c_le(a)) - return n; - if(f__curunit->uwrt && f__nowreading(f__curunit)) - err(a->cierr,errno,where0); - l_getc = t_getc; - l_ungetc = un_getc; - f__doend = xrd_SL; - n = x_rsne(a); - nml_read = 0; - if (n) - return n; - return e_rsle(); - } |