diff options
Diffstat (limited to 'Build/source/utils/pmx/pmx-2.6.18/libf2c/rsne.c')
-rw-r--r-- | Build/source/utils/pmx/pmx-2.6.18/libf2c/rsne.c | 616 |
1 files changed, 616 insertions, 0 deletions
diff --git a/Build/source/utils/pmx/pmx-2.6.18/libf2c/rsne.c b/Build/source/utils/pmx/pmx-2.6.18/libf2c/rsne.c new file mode 100644 index 00000000000..f3fcfac13b1 --- /dev/null +++ b/Build/source/utils/pmx/pmx-2.6.18/libf2c/rsne.c @@ -0,0 +1,616 @@ +#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 int 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 __cplusplus +extern "C" { +#endif + +#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; + + if(!f__init) + f_init(); + 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 "; + + int +#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, nomax, size, span; + ftnint no1, no2, 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 '$': + goto have_amp; +#ifndef No_Namelist_Questions + case '?': + print_ne(a); + continue; +#endif + default: + if (ch <= ' ' && ch >= 0) + continue; +#ifndef No_Namelist_Comments + while(GETC(ch) != '\n') + if (ch == EOF) + goto eof; +#else + errfl(a->cierr, 115, where0); +#endif + } + have_amp: + if (ch = getname(buf,sizeof(buf))) + return ch; + nl = (Namelist *)a->cifmt; + if (strcmp(buf, nl->name)) +#ifdef No_Bad_Namelist_Skip + errfl(a->cierr, 118, where0); +#else + { + fprintf(stderr, + "Skipping namelist \"%s\": seeking namelist \"%s\".\n", + buf, nl->name); + fflush(stderr); + for(;;) switch(GETC(ch)) { + case EOF: + err(a->ciend, EOF, where0); + case '/': + case '&': + case '$': + 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,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) { + no2 = (ivae - iva)/size; + if (no2 > f__lcount) + no2 = f__lcount; + if (k = l_read(&no2, vaddr + iva, + size, type)) + return k; + iva += no2 * dn0->delta; + } + } + 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(); + } +#ifdef __cplusplus +} +#endif |