-/* $Header: dolist.c,v 3.0.1.8 90/08/09 03:15:56 lwall Locked $
+/* $RCSfile: dolist.c,v $$Revision: 4.0.1.3 $$Date: 91/11/05 17:07:02 $
*
- * Copyright (c) 1989, Larry Wall
+ * Copyright (c) 1991, Larry Wall
*
- * You may distribute under the terms of the GNU General Public License
- * as specified in the README file that comes with the perl 3.0 kit.
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Artistic License, as specified in the README file.
*
* $Log: dolist.c,v $
- * Revision 3.0.1.8 90/08/09 03:15:56 lwall
- * patch19: certain kinds of matching cause "panic: hint"
- * patch19: $' broke on embedded nulls
- * patch19: split on /\s+/, /^/ and ' ' is now special cased for speed
- * patch19: split on /x/i didn't work
- * patch19: couldn't unpack an 'A' or 'a' field in a scalar context
- * patch19: unpack called bcopy on each character of a C/c field
- * patch19: pack/unpack know about uudecode lines
- * patch19: fixed sort on undefined strings and sped up slightly
- * patch19: each and keys returned garbage on null key in DBM file
+ * Revision 4.0.1.3 91/11/05 17:07:02 lwall
+ * patch11: prepared for ctype implementations that don't define isascii()
+ * patch11: /$foo/o optimizer could access deallocated data
+ * patch11: certain optimizations of //g in array context returned too many values
+ * patch11: regexp with no parens in array context returned wacky $`, $& and $'
+ * patch11: $' not set right on some //g
+ * patch11: added some support for 64-bit integers
+ * patch11: grep of a split lost its values
+ * patch11: added sort {} LIST
+ * patch11: multiple reallocations now avoided in 1 .. 100000
*
- * Revision 3.0.1.7 90/03/27 15:48:42 lwall
- * patch16: MSDOS support
- * patch16: use of $`, $& or $' sometimes causes memory leakage
- * patch16: splice(@array,0,$n) case cause duplicate free
- * patch16: grep blows up on undefined array values
- * patch16: .. now works using magical string increment
+ * Revision 4.0.1.2 91/06/10 01:22:15 lwall
+ * patch10: //g only worked first time through
*
- * Revision 3.0.1.6 90/03/12 16:33:02 lwall
- * patch13: added list slice operator (LIST)[LIST]
- * patch13: added splice operator: @oldelems = splice(@array,$offset,$len,LIST)
- * patch13: made split('') act like split(//) rather than split(' ')
+ * Revision 4.0.1.1 91/06/07 10:58:28 lwall
+ * patch4: new copyright notice
+ * patch4: added global modifier for pattern matches
+ * patch4: // wouldn't use previous pattern if it started with a null character
+ * patch4: //o and s///o now optimize themselves fully at runtime
+ * patch4: $` was busted inside s///
+ * patch4: caller($arg) didn't work except under debugger
*
- * Revision 3.0.1.5 90/02/28 17:09:44 lwall
- * patch9: split now can split into more than 10000 elements
- * patch9: @_ clobbered by ($foo,$bar) = split
- * patch9: sped up pack and unpack
- * patch9: unpack of single item now works in a scalar context
- * patch9: slices ignored value of $[
- * patch9: grep now returns number of items matched in scalar context
- * patch9: grep iterations no longer in the regexp context of previous iteration
- *
- * Revision 3.0.1.4 89/12/21 19:58:46 lwall
- * patch7: grep(1,@array) didn't work
- * patch7: /$pat/; //; wrongly freed runtime pattern twice
- *
- * Revision 3.0.1.3 89/11/17 15:14:45 lwall
- * patch5: grep() occasionally loses arguments or dumps core
- *
- * Revision 3.0.1.2 89/11/11 04:28:17 lwall
- * patch2: non-existent slice values are now undefined rather than null
- *
- * Revision 3.0.1.1 89/10/26 23:11:51 lwall
- * patch1: split in a subroutine wrongly freed referenced arguments
- * patch1: reverse didn't work
- *
- * Revision 3.0 89/10/18 15:11:02 lwall
- * 3.0 baseline
+ * Revision 4.0 91/03/20 01:08:03 lwall
+ * 4.0 baseline.
*
*/
char *strend = s + st[sp]->str_cur;
STR *tmpstr;
char *myhint = hint;
+ int global;
+ int safebase;
hint = Nullch;
if (!spat) {
st[sp] = str;
return sp;
}
+ global = spat->spat_flags & SPAT_GLOBAL;
+ safebase = (gimme == G_ARRAY) || global;
if (!s)
fatal("panic: do_match");
if (spat->spat_flags & SPAT_USED) {
if (debug & 8)
deb("2.SPAT /%s/\n",t);
#endif
- if (spat->spat_regexp)
+ if (spat->spat_regexp) {
regfree(spat->spat_regexp);
+ spat->spat_regexp = Null(REGEXP*); /* crucial if regcomp aborts */
+ }
spat->spat_regexp = regcomp(t,t+tmpstr->str_cur,
spat->spat_flags & SPAT_FOLD);
- if (!*spat->spat_regexp->precomp && lastspat)
+ if (!spat->spat_regexp->prelen && lastspat)
spat = lastspat;
if (spat->spat_flags & SPAT_KEEP) {
+ scanconst(spat,spat->spat_regexp->precomp, spat->spat_regexp->prelen);
if (spat->spat_runtime)
arg_free(spat->spat_runtime); /* it won't change, so */
spat->spat_runtime = Nullarg; /* no point compiling again */
+ hoistmust(spat);
+ if (curcmd->c_expr && (curcmd->c_flags & CF_OPTIMIZE) == CFT_EVAL) {
+ curcmd->c_flags &= ~CF_OPTIMIZE;
+ opt_arg(curcmd, 1, curcmd->c_type == C_EXPR);
+ }
+ }
+ if (global) {
+ if (spat->spat_regexp->startp[0]) {
+ s = spat->spat_regexp->endp[0];
+ }
}
- if (!spat->spat_regexp->nparens)
+ else if (!spat->spat_regexp->nparens)
gimme = G_SCALAR; /* accidental array context? */
if (regexec(spat->spat_regexp, s, strend, s, 0,
srchstr->str_pok & SP_STUDIED ? srchstr : Nullstr,
- gimme == G_ARRAY)) {
- if (spat->spat_regexp->subbase)
+ safebase)) {
+ if (spat->spat_regexp->subbase || global)
curspat = spat;
lastspat = spat;
goto gotcha;
deb("2.SPAT %c%s%c\n",ch,spat->spat_regexp->precomp,ch);
}
#endif
- if (!*spat->spat_regexp->precomp && lastspat)
+ if (!spat->spat_regexp->prelen && lastspat)
spat = lastspat;
t = s;
+ play_it_again:
+ if (global && spat->spat_regexp->startp[0])
+ t = s = spat->spat_regexp->endp[0];
if (myhint) {
if (myhint < s || myhint > strend)
fatal("panic: hint in do_match");
spat->spat_short = Nullstr; /* opt is being useless */
}
}
- if (!spat->spat_regexp->nparens)
+ if (!spat->spat_regexp->nparens && !global) {
gimme = G_SCALAR; /* accidental array context? */
+ safebase = FALSE;
+ }
if (regexec(spat->spat_regexp, s, strend, t, 0,
srchstr->str_pok & SP_STUDIED ? srchstr : Nullstr,
- gimme == G_ARRAY)) {
- if (spat->spat_regexp->subbase)
+ safebase)) {
+ if (spat->spat_regexp->subbase || global)
curspat = spat;
lastspat = spat;
if (spat->spat_flags & SPAT_ONCE)
goto gotcha;
}
else {
+ if (global)
+ spat->spat_regexp->startp[0] = Nullch;
if (gimme == G_ARRAY)
return sp;
str_sset(str,&str_no);
int iters, i, len;
iters = spat->spat_regexp->nparens;
- if (sp + iters >= stack->ary_max) {
- astore(stack,sp + iters, Nullstr);
+ if (global && !iters)
+ i = 1;
+ else
+ i = 0;
+ if (sp + iters + i >= stack->ary_max) {
+ astore(stack,sp + iters + i, Nullstr);
st = stack->ary_array; /* possibly realloced */
}
- for (i = 1; i <= iters; i++) {
- st[++sp] = str_static(&str_no);
+ for (i = !i; i <= iters; i++) {
+ st[++sp] = str_mortal(&str_no);
+ /*SUPPRESS 560*/
if (s = spat->spat_regexp->startp[i]) {
len = spat->spat_regexp->endp[i] - s;
if (len > 0)
str_nset(st[sp],s,len);
}
}
+ if (global)
+ goto play_it_again;
return sp;
}
else {
lastspat = spat;
if (spat->spat_flags & SPAT_ONCE)
spat->spat_flags |= SPAT_USED;
+ if (global) {
+ spat->spat_regexp->subbeg = t;
+ spat->spat_regexp->subend = strend;
+ spat->spat_regexp->startp[0] = s;
+ spat->spat_regexp->endp[0] = s + spat->spat_short->str_cur;
+ curspat = spat;
+ goto gotcha;
+ }
if (sawampersand) {
char *tmps;
if (spat->spat_regexp->subbase)
Safefree(spat->spat_regexp->subbase);
tmps = spat->spat_regexp->subbase = nsavestr(t,strend-t);
+ spat->spat_regexp->subbeg = tmps;
spat->spat_regexp->subend = tmps + (strend-t);
tmps = spat->spat_regexp->startp[0] = tmps + (s - t);
spat->spat_regexp->endp[0] = tmps + spat->spat_short->str_cur;
return sp;
nope:
+ spat->spat_regexp->startp[0] = Nullch;
++spat->spat_short->str_u.str_useful;
+ if (global)
+ spat->spat_regexp->startp[0] = Nullch;
if (gimme == G_ARRAY)
return sp;
str_sset(str,&str_no);
m = dstr->str_ptr;
spat->spat_flags |= SPAT_SKIPWHITE;
}
- if (spat->spat_regexp)
+ if (spat->spat_regexp) {
regfree(spat->spat_regexp);
+ spat->spat_regexp = Null(REGEXP*); /* avoid possible double free */
+ }
spat->spat_regexp = regcomp(m,m+dstr->str_cur,
spat->spat_flags & SPAT_FOLD);
if (spat->spat_flags & SPAT_KEEP ||
ary = stack;
orig = s;
if (spat->spat_flags & SPAT_SKIPWHITE) {
- while (isspace(*s))
+ while (isSPACE(*s))
s++;
}
if (!limit)
limit = maxiters + 2;
if (strEQ("\\s+",spat->spat_regexp->precomp)) {
while (--limit) {
- for (m = s; m < strend && !isspace(*m); m++) ;
+ /*SUPPRESS 530*/
+ for (m = s; m < strend && !isSPACE(*m); m++) ;
if (m >= strend)
break;
- if (realarray)
- dstr = Str_new(30,m-s);
- else
- dstr = str_static(&str_undef);
+ dstr = Str_new(30,m-s);
str_nset(dstr,s,m-s);
+ if (!realarray)
+ str_2mortal(dstr);
(void)astore(ary, ++sp, dstr);
- for (s = m + 1; s < strend && isspace(*s); s++) ;
+ /*SUPPRESS 530*/
+ for (s = m + 1; s < strend && isSPACE(*s); s++) ;
}
}
else if (strEQ("^",spat->spat_regexp->precomp)) {
while (--limit) {
+ /*SUPPRESS 530*/
for (m = s; m < strend && *m != '\n'; m++) ;
m++;
if (m >= strend)
break;
- if (realarray)
- dstr = Str_new(30,m-s);
- else
- dstr = str_static(&str_undef);
+ dstr = Str_new(30,m-s);
str_nset(dstr,s,m-s);
+ if (!realarray)
+ str_2mortal(dstr);
(void)astore(ary, ++sp, dstr);
s = m;
}
int fold = (spat->spat_flags & SPAT_FOLD);
i = *spat->spat_short->str_ptr;
- if (fold && isupper(i))
+ if (fold && isUPPER(i))
i = tolower(i);
while (--limit) {
if (fold) {
for ( m = s;
m < strend && *m != i &&
- (!isupper(*m) || tolower(*m) != i);
- m++)
+ (!isUPPER(*m) || tolower(*m) != i);
+ m++) /*SUPPRESS 530*/
;
}
- else
+ else /*SUPPRESS 530*/
for (m = s; m < strend && *m != i; m++) ;
if (m >= strend)
break;
- if (realarray)
- dstr = Str_new(30,m-s);
- else
- dstr = str_static(&str_undef);
+ dstr = Str_new(30,m-s);
str_nset(dstr,s,m-s);
+ if (!realarray)
+ str_2mortal(dstr);
(void)astore(ary, ++sp, dstr);
s = m + 1;
}
spat->spat_short)) )
#endif
{
- if (realarray)
- dstr = Str_new(31,m-s);
- else
- dstr = str_static(&str_undef);
+ dstr = Str_new(31,m-s);
str_nset(dstr,s,m-s);
+ if (!realarray)
+ str_2mortal(dstr);
(void)astore(ary, ++sp, dstr);
s = m + i;
}
strend = s + (strend - m);
}
m = spat->spat_regexp->startp[0];
- if (realarray)
- dstr = Str_new(32,m-s);
- else
- dstr = str_static(&str_undef);
+ dstr = Str_new(32,m-s);
str_nset(dstr,s,m-s);
+ if (!realarray)
+ str_2mortal(dstr);
(void)astore(ary, ++sp, dstr);
if (spat->spat_regexp->nparens) {
for (i = 1; i <= spat->spat_regexp->nparens; i++) {
s = spat->spat_regexp->startp[i];
m = spat->spat_regexp->endp[i];
- if (realarray)
- dstr = Str_new(33,m-s);
- else
- dstr = str_static(&str_undef);
+ dstr = Str_new(33,m-s);
str_nset(dstr,s,m-s);
+ if (!realarray)
+ str_2mortal(dstr);
(void)astore(ary, ++sp, dstr);
}
}
if (iters > maxiters)
fatal("Split loop");
if (s < strend || origlimit) { /* keep field after final delim? */
- if (realarray)
- dstr = Str_new(34,strend-s);
- else
- dstr = str_static(&str_undef);
+ dstr = Str_new(34,strend-s);
str_nset(dstr,s,strend-s);
+ if (!realarray)
+ str_2mortal(dstr);
(void)astore(ary, ++sp, dstr);
iters++;
}
register char *patend = pat + st[sp]->str_cur;
int datumtype;
register int len;
+ register int bits;
/* These must not be in registers: */
- char achar;
short ashort;
int aint;
long along;
- unsigned char auchar;
+#ifdef QUAD
+ quad aquad;
+#endif
unsigned short aushort;
unsigned int auint;
unsigned long aulong;
+#ifdef QUAD
+ unsigned quad auquad;
+#endif
char *aptr;
float afloat;
double adouble;
double cdouble;
if (gimme != G_ARRAY) { /* arrange to do first one only */
- for (patend = pat; !isalpha(*patend); patend++);
- if (*patend == 'a' || *patend == 'A' || *pat == '%') {
+ /*SUPPRESS 530*/
+ for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ;
+ if (index("aAbBhH", *patend) || *pat == '%') {
patend++;
- while (isdigit(*patend) || *patend == '*')
+ while (isDIGIT(*patend) || *patend == '*')
patend++;
}
else
datumtype = *pat++;
if (pat >= patend)
len = 1;
- else if (*pat == '*')
+ else if (*pat == '*') {
len = strend - strbeg; /* long enough */
- else if (isdigit(*pat)) {
+ pat++;
+ }
+ else if (isDIGIT(*pat)) {
len = *pat++ - '0';
- while (isdigit(*pat))
+ while (isDIGIT(*pat))
len = (len * 10) + (*pat++ - '0');
}
else
if (datumtype == 'A') {
aptr = s; /* borrow register */
s = str->str_ptr + len - 1;
- while (s >= str->str_ptr && (!*s || isspace(*s)))
+ while (s >= str->str_ptr && (!*s || isSPACE(*s)))
s--;
*++s = '\0';
str->str_cur = s - str->str_ptr;
s = aptr; /* unborrow register */
}
- (void)astore(stack, ++sp, str_2static(str));
+ (void)astore(stack, ++sp, str_2mortal(str));
+ break;
+ case 'B':
+ case 'b':
+ if (pat[-1] == '*' || len > (strend - s) * 8)
+ len = (strend - s) * 8;
+ str = Str_new(35, len + 1);
+ str->str_cur = len;
+ str->str_pok = 1;
+ aptr = pat; /* borrow register */
+ pat = str->str_ptr;
+ if (datumtype == 'b') {
+ aint = len;
+ for (len = 0; len < aint; len++) {
+ if (len & 7) /*SUPPRESS 595*/
+ bits >>= 1;
+ else
+ bits = *s++;
+ *pat++ = '0' + (bits & 1);
+ }
+ }
+ else {
+ aint = len;
+ for (len = 0; len < aint; len++) {
+ if (len & 7)
+ bits <<= 1;
+ else
+ bits = *s++;
+ *pat++ = '0' + ((bits & 128) != 0);
+ }
+ }
+ *pat = '\0';
+ pat = aptr; /* unborrow register */
+ (void)astore(stack, ++sp, str_2mortal(str));
+ break;
+ case 'H':
+ case 'h':
+ if (pat[-1] == '*' || len > (strend - s) * 2)
+ len = (strend - s) * 2;
+ str = Str_new(35, len + 1);
+ str->str_cur = len;
+ str->str_pok = 1;
+ aptr = pat; /* borrow register */
+ pat = str->str_ptr;
+ if (datumtype == 'h') {
+ aint = len;
+ for (len = 0; len < aint; len++) {
+ if (len & 1)
+ bits >>= 4;
+ else
+ bits = *s++;
+ *pat++ = hexdigit[bits & 15];
+ }
+ }
+ else {
+ aint = len;
+ for (len = 0; len < aint; len++) {
+ if (len & 1)
+ bits <<= 4;
+ else
+ bits = *s++;
+ *pat++ = hexdigit[(bits >> 4) & 15];
+ }
+ }
+ *pat = '\0';
+ pat = aptr; /* unborrow register */
+ (void)astore(stack, ++sp, str_2mortal(str));
break;
case 'c':
if (len > strend - s)
aint -= 256;
str = Str_new(36,0);
str_numset(str,(double)aint);
- (void)astore(stack, ++sp, str_2static(str));
+ (void)astore(stack, ++sp, str_2mortal(str));
}
}
break;
auint = *s++ & 255;
str = Str_new(37,0);
str_numset(str,(double)auint);
- (void)astore(stack, ++sp, str_2static(str));
+ (void)astore(stack, ++sp, str_2mortal(str));
}
}
break;
s += sizeof(short);
str = Str_new(38,0);
str_numset(str,(double)ashort);
- (void)astore(stack, ++sp, str_2static(str));
+ (void)astore(stack, ++sp, str_2mortal(str));
}
}
break;
while (len-- > 0) {
bcopy(s,(char*)&aushort,sizeof(unsigned short));
s += sizeof(unsigned short);
-#ifdef NTOHS
+#ifdef HAS_NTOHS
if (datumtype == 'n')
aushort = ntohs(aushort);
#endif
bcopy(s,(char*)&aushort,sizeof(unsigned short));
s += sizeof(unsigned short);
str = Str_new(39,0);
-#ifdef NTOHS
+#ifdef HAS_NTOHS
if (datumtype == 'n')
aushort = ntohs(aushort);
#endif
str_numset(str,(double)aushort);
- (void)astore(stack, ++sp, str_2static(str));
+ (void)astore(stack, ++sp, str_2mortal(str));
}
}
break;
s += sizeof(int);
str = Str_new(40,0);
str_numset(str,(double)aint);
- (void)astore(stack, ++sp, str_2static(str));
+ (void)astore(stack, ++sp, str_2mortal(str));
}
}
break;
s += sizeof(unsigned int);
str = Str_new(41,0);
str_numset(str,(double)auint);
- (void)astore(stack, ++sp, str_2static(str));
+ (void)astore(stack, ++sp, str_2mortal(str));
}
}
break;
s += sizeof(long);
str = Str_new(42,0);
str_numset(str,(double)along);
- (void)astore(stack, ++sp, str_2static(str));
+ (void)astore(stack, ++sp, str_2mortal(str));
}
}
break;
while (len-- > 0) {
bcopy(s,(char*)&aulong,sizeof(unsigned long));
s += sizeof(unsigned long);
-#ifdef NTOHL
+#ifdef HAS_NTOHL
if (datumtype == 'N')
aulong = ntohl(aulong);
#endif
bcopy(s,(char*)&aulong,sizeof(unsigned long));
s += sizeof(unsigned long);
str = Str_new(43,0);
-#ifdef NTOHL
+#ifdef HAS_NTOHL
if (datumtype == 'N')
aulong = ntohl(aulong);
#endif
str_numset(str,(double)aulong);
- (void)astore(stack, ++sp, str_2static(str));
+ (void)astore(stack, ++sp, str_2mortal(str));
}
}
break;
str = Str_new(44,0);
if (aptr)
str_set(str,aptr);
- (void)astore(stack, ++sp, str_2static(str));
+ (void)astore(stack, ++sp, str_2mortal(str));
+ }
+ break;
+#ifdef QUAD
+ case 'q':
+ while (len-- > 0) {
+ if (s + sizeof(quad) > strend)
+ aquad = 0;
+ else {
+ bcopy(s,(char*)&aquad,sizeof(quad));
+ s += sizeof(quad);
+ }
+ str = Str_new(42,0);
+ str_numset(str,(double)aquad);
+ (void)astore(stack, ++sp, str_2mortal(str));
+ }
+ break;
+ case 'Q':
+ while (len-- > 0) {
+ if (s + sizeof(unsigned quad) > strend)
+ auquad = 0;
+ else {
+ bcopy(s,(char*)&auquad,sizeof(unsigned quad));
+ s += sizeof(unsigned quad);
+ }
+ str = Str_new(43,0);
+ str_numset(str,(double)auquad);
+ (void)astore(stack, ++sp, str_2mortal(str));
}
break;
+#endif
/* float and double added gnb@melba.bby.oz.au 22/11/89 */
case 'f':
case 'F':
s += sizeof(float);
str = Str_new(47, 0);
str_numset(str, (double)afloat);
- (void)astore(stack, ++sp, str_2static(str));
+ (void)astore(stack, ++sp, str_2mortal(str));
}
}
break;
s += sizeof(double);
str = Str_new(48, 0);
str_numset(str, (double)adouble);
- (void)astore(stack, ++sp, str_2static(str));
+ (void)astore(stack, ++sp, str_2mortal(str));
}
}
break;
else if (s[1] == '\n') /* possible checksum byte */
s += 2;
}
- (void)astore(stack, ++sp, str_2static(str));
+ (void)astore(stack, ++sp, str_2mortal(str));
break;
}
if (checksum) {
str_numset(str,cdouble);
}
else {
- along = (1 << checksum) - 1;
- culong &= (unsigned long)along;
+ if (checksum < 32) {
+ along = (1 << checksum) - 1;
+ culong &= (unsigned long)along;
+ }
str_numset(str,(double)culong);
}
- (void)astore(stack, ++sp, str_2static(str));
+ (void)astore(stack, ++sp, str_2mortal(str));
checksum = 0;
}
}
length = 0;
}
else
- length = ary->ary_max; /* close enough to infinity */
+ length = ary->ary_max + 1; /* close enough to infinity */
}
else {
offset = 0;
- length = ary->ary_max;
+ length = ary->ary_max + 1;
}
if (offset < 0) {
length += offset;
if (after < 0) { /* not that much array */
length += after; /* offset+length now in array */
after = 0;
+ if (!ary->ary_alloc) {
+ afill(ary,0);
+ afill(ary,-1);
+ }
}
/* At this point, sp .. max-1 is our new LIST */
Copy(ary->ary_array+offset, st+sp, length, STR*);
if (ary->ary_flags & ARF_REAL) {
for (i = length, dst = st+sp; i; i--)
- str_2static(*dst++); /* free them eventualy */
+ str_2mortal(*dst++); /* free them eventualy */
}
sp += length - 1;
}
else {
st[sp] = ary->ary_array[offset+length-1];
if (ary->ary_flags & ARF_REAL)
- str_2static(st[sp]);
+ str_2mortal(st[sp]);
}
ary->ary_fill += diff;
Copy(tmparyval, st+sp, length, STR*);
if (ary->ary_flags & ARF_REAL) {
for (i = length, dst = st+sp; i; i--)
- str_2static(*dst++); /* free them eventualy */
+ str_2mortal(*dst++); /* free them eventualy */
}
Safefree(tmparyval);
}
else if (length) {
st[sp] = tmparyval[length-1];
if (ary->ary_flags & ARF_REAL)
- str_2static(st[sp]);
+ str_2mortal(st[sp]);
Safefree(tmparyval);
}
else
register int i = sp - arglast[1];
int oldsave = savestack->ary_fill;
SPAT *oldspat = curspat;
+ int oldtmps_base = tmps_base;
savesptr(&stab_val(defstab));
+ tmps_base = tmps_max;
if ((arg[1].arg_type & A_MASK) != A_EXPR) {
arg[1].arg_type &= A_MASK;
dehoist(arg,1);
}
arg = arg[1].arg_ptr.arg_arg;
while (i-- > 0) {
- if (st[src])
+ if (st[src]) {
+ st[src]->str_pok &= ~SP_TEMP;
stab_val(defstab) = st[src];
+ }
else
- stab_val(defstab) = str_static(&str_undef);
+ stab_val(defstab) = str_mortal(&str_undef);
(void)eval(arg,G_SCALAR,sp);
st = stack->ary_array;
if (str_true(st[sp+1]))
curspat = oldspat;
}
restorelist(oldsave);
+ tmps_base = oldtmps_base;
if (gimme != G_ARRAY) {
str_numset(str,(double)(dst - arglast[1]));
STABSET(str);
}
int
-do_reverse(str,gimme,arglast)
-STR *str;
-int gimme;
+do_reverse(arglast)
int *arglast;
{
STR **st = stack->ary_array;
register STR **down = &st[arglast[2]];
register int i = arglast[2] - arglast[1];
- if (gimme != G_ARRAY) {
- str_sset(str,&str_undef);
- STABSET(str);
- st[arglast[0]+1] = str;
- return arglast[0]+1;
- }
while (i-- > 0) {
*up++ = *down;
if (i-- > 0)
return arglast[2] - 1;
}
+int
+do_sreverse(str,arglast)
+STR *str;
+int *arglast;
+{
+ STR **st = stack->ary_array;
+ register char *up;
+ register char *down;
+ register int tmp;
+
+ str_sset(str,st[arglast[2]]);
+ up = str_get(str);
+ if (str->str_cur > 1) {
+ down = str->str_ptr + str->str_cur - 1;
+ while (down > up) {
+ tmp = *up;
+ *up++ = *down;
+ *down-- = tmp;
+ }
+ }
+ STABSET(str);
+ st[arglast[0]+1] = str;
+ return arglast[0]+1;
+}
+
static CMD *sortcmd;
+static HASH *sortstash = Null(HASH*);
static STAB *firststab = Nullstab;
static STAB *secondstab = Nullstab;
int
-do_sort(str,stab,gimme,arglast)
+do_sort(str,arg,gimme,arglast)
STR *str;
-STAB *stab;
+ARG *arg;
int gimme;
int *arglast;
{
STR *oldfirst;
STR *oldsecond;
ARRAY *oldstack;
+ HASH *stash;
static ARRAY *sortstack = Null(ARRAY*);
if (gimme != G_ARRAY) {
up = &st[sp];
st += sp; /* temporarily make st point to args */
for (i = 1; i <= max; i++) {
+ /*SUPPRESS 560*/
if (*up = st[i]) {
if (!(*up)->str_pok)
(void)str_2ptr(*up);
+ else
+ (*up)->str_pok &= ~SP_TEMP;
up++;
}
}
max = up - &st[sp];
sp--;
if (max > 1) {
- if (stab_sub(stab) && (sortcmd = stab_sub(stab)->cmd)) {
+ STAB *stab;
+
+ if (arg[1].arg_type == (A_CMD|A_DONT)) {
+ sortcmd = arg[1].arg_ptr.arg_cmd;
+ stash = curcmd->c_stash;
+ }
+ else {
+ if ((arg[1].arg_type & A_MASK) == A_WORD)
+ stab = arg[1].arg_ptr.arg_stab;
+ else
+ stab = stabent(str_get(st[sp+1]),TRUE);
+
+ if (stab) {
+ if (!stab_sub(stab) || !(sortcmd = stab_sub(stab)->cmd))
+ fatal("Undefined subroutine \"%s\" in sort",
+ stab_name(stab));
+ stash = stab_stash(stab);
+ }
+ else
+ sortcmd = Nullcmd;
+ }
+
+ if (sortcmd) {
int oldtmps_base = tmps_base;
if (!sortstack) {
sortstack = anew(Nullstab);
+ astore(sortstack, 0, Nullstr);
+ aclear(sortstack);
sortstack->ary_flags = 0;
}
oldstack = stack;
stack = sortstack;
tmps_base = tmps_max;
- if (!firststab) {
+ if (sortstash != stash) {
firststab = stabent("a",TRUE);
secondstab = stabent("b",TRUE);
+ sortstash = stash;
}
oldfirst = stab_val(firststab);
oldsecond = stab_val(secondstab);
int retval;
if (str1->str_cur < str2->str_cur) {
+ /*SUPPRESS 560*/
if (retval = memcmp(str1->str_ptr, str2->str_ptr, str1->str_cur))
return retval;
else
return -1;
}
+ /*SUPPRESS 560*/
else if (retval = memcmp(str1->str_ptr, str2->str_ptr, str2->str_cur))
return retval;
else if (str1->str_cur == str2->str_cur)
if (gimme != G_ARRAY)
fatal("panic: do_range");
- if (st[sp+1]->str_nok ||
+ if (st[sp+1]->str_nok || !st[sp+1]->str_pok ||
(looks_like_number(st[sp+1]) && *st[sp+1]->str_ptr != '0') ) {
i = (int)str_gnum(st[sp+1]);
max = (int)str_gnum(st[sp+2]);
+ if (max > i)
+ (void)astore(ary, sp + max - i + 1, Nullstr);
while (i <= max) {
- (void)astore(ary, ++sp, str = str_static(&str_no));
+ (void)astore(ary, ++sp, str = str_mortal(&str_no));
str_numset(str,(double)i++);
}
}
else {
- STR *final = str_static(st[sp+2]);
+ STR *final = str_mortal(st[sp+2]);
char *tmps = str_get(final);
- str = str_static(st[sp+1]);
+ str = str_mortal(st[sp+1]);
while (!str->str_nok && str->str_cur <= final->str_cur &&
strNE(str->str_ptr,tmps) ) {
(void)astore(ary, ++sp, str);
- str = str_static(str);
+ str = str_2mortal(str_smake(str));
str_inc(str);
}
if (strEQ(str->str_ptr,tmps))
}
int
+do_repeatary(arglast)
+int *arglast;
+{
+ STR **st = stack->ary_array;
+ register int sp = arglast[0];
+ register int items = arglast[1] - sp;
+ register int count = (int) str_gnum(st[arglast[2]]);
+ register int i;
+ int max;
+
+ max = items * count;
+ if (max > 0 && sp + max > stack->ary_max) {
+ astore(stack, sp + max, Nullstr);
+ st = stack->ary_array;
+ }
+ if (count > 1) {
+ for (i = arglast[1]; i > sp; i--)
+ st[i]->str_pok &= ~SP_TEMP;
+ repeatcpy((char*)&st[arglast[1]+1], (char*)&st[sp+1],
+ items * sizeof(STR*), count);
+ }
+ sp += max;
+
+ return sp;
+}
+
+int
+do_caller(arg,maxarg,gimme,arglast)
+ARG *arg;
+int maxarg;
+int gimme;
+int *arglast;
+{
+ STR **st = stack->ary_array;
+ register int sp = arglast[0];
+ register CSV *csv = curcsv;
+ STR *str;
+ int count = 0;
+
+ if (!csv)
+ fatal("There is no caller");
+ if (maxarg)
+ count = (int) str_gnum(st[sp+1]);
+ for (;;) {
+ if (!csv)
+ return sp;
+ if (DBsub && csv->curcsv && csv->curcsv->sub == stab_sub(DBsub))
+ count++;
+ if (!count--)
+ break;
+ csv = csv->curcsv;
+ }
+ if (gimme != G_ARRAY) {
+ STR *str = arg->arg_ptr.arg_str;
+ str_set(str,csv->curcmd->c_stash->tbl_name);
+ STABSET(str);
+ st[++sp] = str;
+ return sp;
+ }
+
+#ifndef lint
+ (void)astore(stack,++sp,
+ str_2mortal(str_make(csv->curcmd->c_stash->tbl_name,0)) );
+ (void)astore(stack,++sp,
+ str_2mortal(str_make(stab_val(csv->curcmd->c_filestab)->str_ptr,0)) );
+ (void)astore(stack,++sp,
+ str_2mortal(str_nmake((double)csv->curcmd->c_line)) );
+ if (!maxarg)
+ return sp;
+ str = Str_new(49,0);
+ stab_fullname(str, csv->stab);
+ (void)astore(stack,++sp, str_2mortal(str));
+ (void)astore(stack,++sp,
+ str_2mortal(str_nmake((double)csv->hasargs)) );
+ (void)astore(stack,++sp,
+ str_2mortal(str_nmake((double)csv->wantarray)) );
+ if (csv->hasargs) {
+ ARRAY *ary = csv->argarray;
+
+ if (!dbargs)
+ dbargs = stab_xarray(aadd(stabent("DB'args", TRUE)));
+ if (dbargs->ary_max < ary->ary_fill)
+ astore(dbargs,ary->ary_fill,Nullstr);
+ Copy(ary->ary_array, dbargs->ary_array, ary->ary_fill+1, STR*);
+ dbargs->ary_fill = ary->ary_fill;
+ }
+#else
+ (void)astore(stack,++sp,
+ str_2mortal(str_make("",0)));
+#endif
+ return sp;
+}
+
+int
do_tms(str,gimme,arglast)
STR *str;
int gimme;
int *arglast;
{
+#ifdef MSDOS
+ return -1;
+#else
STR **st = stack->ary_array;
register int sp = arglast[0];
#ifndef lint
(void)astore(stack,++sp,
- str_2static(str_nmake(((double)timesbuf.tms_utime)/HZ)));
+ str_2mortal(str_nmake(((double)timesbuf.tms_utime)/HZ)));
(void)astore(stack,++sp,
- str_2static(str_nmake(((double)timesbuf.tms_stime)/HZ)));
+ str_2mortal(str_nmake(((double)timesbuf.tms_stime)/HZ)));
(void)astore(stack,++sp,
- str_2static(str_nmake(((double)timesbuf.tms_cutime)/HZ)));
+ str_2mortal(str_nmake(((double)timesbuf.tms_cutime)/HZ)));
(void)astore(stack,++sp,
- str_2static(str_nmake(((double)timesbuf.tms_cstime)/HZ)));
+ str_2mortal(str_nmake(((double)timesbuf.tms_cstime)/HZ)));
#else
(void)astore(stack,++sp,
- str_2static(str_nmake(0.0)));
+ str_2mortal(str_nmake(0.0)));
#endif
return sp;
+#endif
}
int
st[++sp] = str;
return sp;
}
- (void)astore(ary,++sp,str_2static(str_nmake((double)tmbuf->tm_sec)));
- (void)astore(ary,++sp,str_2static(str_nmake((double)tmbuf->tm_min)));
- (void)astore(ary,++sp,str_2static(str_nmake((double)tmbuf->tm_hour)));
- (void)astore(ary,++sp,str_2static(str_nmake((double)tmbuf->tm_mday)));
- (void)astore(ary,++sp,str_2static(str_nmake((double)tmbuf->tm_mon)));
- (void)astore(ary,++sp,str_2static(str_nmake((double)tmbuf->tm_year)));
- (void)astore(ary,++sp,str_2static(str_nmake((double)tmbuf->tm_wday)));
- (void)astore(ary,++sp,str_2static(str_nmake((double)tmbuf->tm_yday)));
- (void)astore(ary,++sp,str_2static(str_nmake((double)tmbuf->tm_isdst)));
+ (void)astore(ary,++sp,str_2mortal(str_nmake((double)tmbuf->tm_sec)));
+ (void)astore(ary,++sp,str_2mortal(str_nmake((double)tmbuf->tm_min)));
+ (void)astore(ary,++sp,str_2mortal(str_nmake((double)tmbuf->tm_hour)));
+ (void)astore(ary,++sp,str_2mortal(str_nmake((double)tmbuf->tm_mday)));
+ (void)astore(ary,++sp,str_2mortal(str_nmake((double)tmbuf->tm_mon)));
+ (void)astore(ary,++sp,str_2mortal(str_nmake((double)tmbuf->tm_year)));
+ (void)astore(ary,++sp,str_2mortal(str_nmake((double)tmbuf->tm_wday)));
+ (void)astore(ary,++sp,str_2mortal(str_nmake((double)tmbuf->tm_yday)));
+ (void)astore(ary,++sp,str_2mortal(str_nmake((double)tmbuf->tm_isdst)));
return sp;
}
return sp;
}
(void)hiterinit(hash);
+ /*SUPPRESS 560*/
while (entry = hiternext(hash)) {
if (dokeys) {
tmps = hiterkey(entry,&i);
if (!i)
tmps = "";
- (void)astore(ary,++sp,str_2static(str_make(tmps,i)));
+ (void)astore(ary,++sp,str_2mortal(str_make(tmps,i)));
}
if (dovalues) {
tmpstr = Str_new(45,0);
else
#endif
str_sset(tmpstr,hiterval(hash,entry));
- (void)astore(ary,++sp,str_2static(tmpstr));
+ (void)astore(ary,++sp,str_2mortal(tmpstr));
}
}
return sp;