3 * Copyright (c) 1991-1997, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
11 * Now far ahead the Road has gone,
12 * And I must follow, if I can,
13 * Pursuing it with eager feet,
14 * Until it joins some larger way
15 * Where many paths and errands meet.
16 * And whither then? I cannot say.
23 #define WORD_ALIGN sizeof(U16)
26 #define DOCATCH(o) ((CATCH_GET == TRUE) ? docatch(o) : (o))
28 static OP *docatch _((OP *o));
29 static OP *doeval _((int gimme));
30 static OP *dofindlabel _((OP *op, char *label, OP **opstack, OP **oplimit));
31 static void doparseform _((SV *sv));
32 static I32 dopoptoeval _((I32 startingblock));
33 static I32 dopoptolabel _((char *label));
34 static I32 dopoptoloop _((I32 startingblock));
35 static I32 dopoptosub _((I32 startingblock));
36 static void save_lines _((AV *array, SV *sv));
37 static int sortcv _((const void *, const void *));
38 static int sortcmp _((const void *, const void *));
39 static int sortcmp_locale _((const void *, const void *));
49 cxix = dopoptosub(cxstack_ix);
53 switch (cxstack[cxix].blk_gimme) {
70 register PMOP *pm = (PMOP*)cLOGOP->op_other;
76 t = SvPV(tmpstr, len);
78 /* JMR: Check against the last compiled regexp */
79 if ( ! pm->op_pmregexp || ! pm->op_pmregexp->precomp
80 || strnNE(pm->op_pmregexp->precomp, t, len)
81 || pm->op_pmregexp->precomp[len]) {
82 if (pm->op_pmregexp) {
83 pregfree(pm->op_pmregexp);
84 pm->op_pmregexp = Null(REGEXP*); /* crucial if regcomp aborts */
87 pm->op_pmflags = pm->op_pmpermflags; /* reset case sensitivity */
88 pm->op_pmregexp = pregcomp(t, t + len, pm);
91 if (!pm->op_pmregexp->prelen && curpm)
93 else if (strEQ("\\s+", pm->op_pmregexp->precomp))
94 pm->op_pmflags |= PMf_WHITE;
96 if (pm->op_pmflags & PMf_KEEP) {
97 pm->op_pmflags &= ~PMf_RUNTIME; /* no point compiling again */
99 cLOGOP->op_first->op_next = op->op_next;
107 register PMOP *pm = (PMOP*) cLOGOP->op_other;
108 register CONTEXT *cx = &cxstack[cxstack_ix];
109 register SV *dstr = cx->sb_dstr;
110 register char *s = cx->sb_s;
111 register char *m = cx->sb_m;
112 char *orig = cx->sb_orig;
113 register REGEXP *rx = cx->sb_rx;
115 if (cx->sb_iters++) {
116 if (cx->sb_iters > cx->sb_maxiters)
117 DIE("Substitution loop");
119 if (!cx->sb_rxtainted)
120 cx->sb_rxtainted = SvTAINTED(TOPs);
121 sv_catsv(dstr, POPs);
124 if (cx->sb_once || !pregexec(rx, s, cx->sb_strend, orig,
125 s == m, Nullsv, cx->sb_safebase))
127 SV *targ = cx->sb_targ;
128 sv_catpvn(dstr, s, cx->sb_strend - s);
130 TAINT_IF(cx->sb_rxtainted || rx->exec_tainted);
132 (void)SvOOK_off(targ);
133 Safefree(SvPVX(targ));
134 SvPVX(targ) = SvPVX(dstr);
135 SvCUR_set(targ, SvCUR(dstr));
136 SvLEN_set(targ, SvLEN(dstr));
139 (void)SvPOK_only(targ);
143 PUSHs(sv_2mortal(newSViv((I32)cx->sb_iters - 1)));
144 LEAVE_SCOPE(cx->sb_oldsave);
146 RETURNOP(pm->op_next);
149 if (rx->subbase && rx->subbase != orig) {
152 cx->sb_orig = orig = rx->subbase;
154 cx->sb_strend = s + (cx->sb_strend - m);
156 cx->sb_m = m = rx->startp[0];
157 sv_catpvn(dstr, s, m-s);
158 cx->sb_s = rx->endp[0];
159 cx->sb_rxtainted |= rx->exec_tainted;
160 RETURNOP(pm->op_pmreplstart);
165 dSP; dMARK; dORIGMARK;
166 register SV *form = *++MARK;
178 bool chopspace = (strchr(chopset, ' ') != Nullch);
185 if (!SvMAGICAL(form) || !SvCOMPILED(form)) {
186 SvREADONLY_off(form);
190 SvPV_force(formtarget, len);
191 t = SvGROW(formtarget, len + SvCUR(form) + 1); /* XXX SvCUR bad */
194 /* need to jump to the next word */
195 s = f + len + WORD_ALIGN - SvCUR(form) % WORD_ALIGN;
204 case FF_LITERAL: arg = fpc[1]; name = "LITERAL"; break;
205 case FF_BLANK: arg = fpc[1]; name = "BLANK"; break;
206 case FF_SKIP: arg = fpc[1]; name = "SKIP"; break;
207 case FF_FETCH: arg = fpc[1]; name = "FETCH"; break;
208 case FF_DECIMAL: arg = fpc[1]; name = "DECIMAL"; break;
210 case FF_CHECKNL: name = "CHECKNL"; break;
211 case FF_CHECKCHOP: name = "CHECKCHOP"; break;
212 case FF_SPACE: name = "SPACE"; break;
213 case FF_HALFSPACE: name = "HALFSPACE"; break;
214 case FF_ITEM: name = "ITEM"; break;
215 case FF_CHOP: name = "CHOP"; break;
216 case FF_LINEGLOB: name = "LINEGLOB"; break;
217 case FF_NEWLINE: name = "NEWLINE"; break;
218 case FF_MORE: name = "MORE"; break;
219 case FF_LINEMARK: name = "LINEMARK"; break;
220 case FF_END: name = "END"; break;
223 PerlIO_printf(PerlIO_stderr(), "%-16s%ld\n", name, (long) arg);
225 PerlIO_printf(PerlIO_stderr(), "%-16s\n", name);
254 warn("Not enough format arguments");
259 item = s = SvPV(sv, len);
261 if (itemsize > fieldsize)
262 itemsize = fieldsize;
263 send = chophere = s + itemsize;
275 item = s = SvPV(sv, len);
277 if (itemsize <= fieldsize) {
278 send = chophere = s + itemsize;
289 itemsize = fieldsize;
290 send = chophere = s + itemsize;
291 while (s < send || (s == send && isSPACE(*s))) {
301 if (strchr(chopset, *s))
306 itemsize = chophere - item;
311 arg = fieldsize - itemsize;
320 arg = fieldsize - itemsize;
334 int ch = *t++ = *s++;
338 if ( !((*t++ = *s++) & ~31) )
348 while (*s && isSPACE(*s))
355 item = s = SvPV(sv, len);
368 SvCUR_set(formtarget, t - SvPVX(formtarget));
369 sv_catpvn(formtarget, item, itemsize);
370 SvGROW(formtarget, SvCUR(formtarget) + SvCUR(form) + 1);
371 t = SvPVX(formtarget) + SvCUR(formtarget);
376 /* If the field is marked with ^ and the value is undefined,
379 if ((arg & 512) && !SvOK(sv)) {
387 /* Formats aren't yet marked for locales, so assume "yes". */
390 sprintf(t, "%#*.*f", (int) fieldsize, (int) arg & 255, value);
392 sprintf(t, "%*.0f", (int) fieldsize, value);
399 while (t-- > linemark && *t == ' ') ;
407 if (arg) { /* repeat until fields exhausted? */
409 SvCUR_set(formtarget, t - SvPVX(formtarget));
410 lines += FmLINES(formtarget);
413 if (strnEQ(linemark, linemark - arg, arg))
414 DIE("Runaway format");
416 FmLINES(formtarget) = lines;
418 RETURNOP(cLISTOP->op_first);
429 arg = fieldsize - itemsize;
436 if (strnEQ(s," ",3)) {
437 while (s > SvPVX(formtarget) && isSPACE(s[-1]))
448 SvCUR_set(formtarget, t - SvPVX(formtarget));
449 FmLINES(formtarget) += lines;
461 if (stack_base + *markstack_ptr == sp) {
463 if (GIMME_V == G_SCALAR)
465 RETURNOP(op->op_next->op_next);
467 stack_sp = stack_base + *markstack_ptr + 1;
468 pp_pushmark(); /* push dst */
469 pp_pushmark(); /* push src */
470 ENTER; /* enter outer scope */
473 SAVESPTR(GvSV(defgv));
475 ENTER; /* enter inner scope */
478 src = stack_base[*markstack_ptr];
483 if (op->op_type == OP_MAPSTART)
484 pp_pushmark(); /* push top */
485 return ((LOGOP*)op->op_next)->op_other;
490 DIE("panic: mapstart"); /* uses grepstart */
496 I32 diff = (sp - stack_base) - *markstack_ptr;
504 if (diff > markstack_ptr[-1] - markstack_ptr[-2]) {
505 shift = diff - (markstack_ptr[-1] - markstack_ptr[-2]);
506 count = (sp - stack_base) - markstack_ptr[-1] + 2;
511 markstack_ptr[-1] += shift;
512 *markstack_ptr += shift;
516 dst = stack_base + (markstack_ptr[-2] += diff) - 1;
519 *dst-- = SvTEMP(TOPs) ? POPs : sv_mortalcopy(POPs);
521 LEAVE; /* exit inner scope */
524 if (markstack_ptr[-1] > *markstack_ptr) {
528 (void)POPMARK; /* pop top */
529 LEAVE; /* exit outer scope */
530 (void)POPMARK; /* pop src */
531 items = --*markstack_ptr - markstack_ptr[-1];
532 (void)POPMARK; /* pop dst */
533 SP = stack_base + POPMARK; /* pop original mark */
534 if (gimme == G_SCALAR) {
538 else if (gimme == G_ARRAY)
545 ENTER; /* enter inner scope */
548 src = stack_base[markstack_ptr[-1]];
552 RETURNOP(cLOGOP->op_other);
559 dSP; dMARK; dORIGMARK;
561 SV **myorigmark = ORIGMARK;
567 OP* nextop = op->op_next;
569 if (gimme != G_ARRAY) {
574 if (op->op_flags & OPf_STACKED) {
576 if (op->op_flags & OPf_SPECIAL) {
577 OP *kid = cLISTOP->op_first->op_sibling; /* pass pushmark */
578 kid = kUNOP->op_first; /* pass rv2gv */
579 kid = kUNOP->op_first; /* pass leave */
580 sortcop = kid->op_next;
581 stash = curcop->cop_stash;
584 cv = sv_2cv(*++MARK, &stash, &gv, 0);
585 if (!(cv && CvROOT(cv))) {
587 SV *tmpstr = sv_newmortal();
588 gv_efullname3(tmpstr, gv, Nullch);
589 if (cv && CvXSUB(cv))
590 DIE("Xsub \"%s\" called in sort", SvPVX(tmpstr));
591 DIE("Undefined sort subroutine \"%s\" called",
596 DIE("Xsub called in sort");
597 DIE("Undefined subroutine in sort");
599 DIE("Not a CODE reference in sort");
601 sortcop = CvSTART(cv);
602 SAVESPTR(CvROOT(cv)->op_ppaddr);
603 CvROOT(cv)->op_ppaddr = ppaddr[OP_NULL];
606 curpad = AvARRAY((AV*)AvARRAY(CvPADLIST(cv))[1]);
611 stash = curcop->cop_stash;
615 while (MARK < SP) { /* This may or may not shift down one here. */
617 if (*up = *++MARK) { /* Weed out nulls. */
619 if (!sortcop && !SvPOK(*up))
620 (void)sv_2pv(*up, &na);
624 max = --up - myorigmark;
630 bool oldcatch = CATCH_GET;
638 AvREAL_off(sortstack);
639 av_extend(sortstack, 32);
642 SWITCHSTACK(curstack, sortstack);
643 if (sortstash != stash) {
644 firstgv = gv_fetchpv("a", TRUE, SVt_PV);
645 secondgv = gv_fetchpv("b", TRUE, SVt_PV);
649 SAVESPTR(GvSV(firstgv));
650 SAVESPTR(GvSV(secondgv));
651 PUSHBLOCK(cx, CXt_NULL, stack_base);
652 sortcxix = cxstack_ix;
654 qsort((char*)(myorigmark+1), max, sizeof(SV*), sortcv);
657 SWITCHSTACK(sortstack, oldstack);
664 MEXTEND(SP, 20); /* Can't afford stack realloc on signal. */
665 qsort((char*)(ORIGMARK+1), max, sizeof(SV*),
666 (op->op_private & OPpLOCALE) ? sortcmp_locale : sortcmp);
669 stack_sp = ORIGMARK + max;
677 if (GIMME == G_ARRAY)
678 return cCONDOP->op_true;
679 return SvTRUEx(PAD_SV(op->op_targ)) ? cCONDOP->op_false : cCONDOP->op_true;
686 if (GIMME == G_ARRAY) {
687 RETURNOP(((CONDOP*)cUNOP->op_first)->op_false);
691 SV *targ = PAD_SV(op->op_targ);
693 if ((op->op_private & OPpFLIP_LINENUM)
694 ? last_in_gv && SvIV(sv) == IoLINES(GvIOp(last_in_gv))
696 sv_setiv(PAD_SV(cUNOP->op_first->op_targ), 1);
697 if (op->op_flags & OPf_SPECIAL) {
704 RETURNOP(((CONDOP*)cUNOP->op_first)->op_false);
717 if (GIMME == G_ARRAY) {
723 if (SvNIOKp(left) || !SvPOKp(left) ||
724 (looks_like_number(left) && *SvPVX(left) != '0') )
729 EXTEND_MORTAL(max - i + 1);
730 EXTEND(SP, max - i + 1);
733 sv = sv_2mortal(newSViv(i++));
738 SV *final = sv_mortalcopy(right);
740 char *tmps = SvPV(final, len);
742 sv = sv_mortalcopy(left);
743 while (!SvNIOKp(sv) && SvCUR(sv) <= len &&
744 strNE(SvPVX(sv),tmps) ) {
746 sv = sv_2mortal(newSVsv(sv));
749 if (strEQ(SvPVX(sv),tmps))
755 SV *targ = PAD_SV(cUNOP->op_first->op_targ);
757 if ((op->op_private & OPpFLIP_LINENUM)
758 ? last_in_gv && SvIV(sv) == IoLINES(GvIOp(last_in_gv))
760 sv_setiv(PAD_SV(((UNOP*)cUNOP->op_first)->op_first->op_targ), 0);
761 sv_catpv(targ, "E0");
776 register CONTEXT *cx;
778 for (i = cxstack_ix; i >= 0; i--) {
780 switch (cx->cx_type) {
783 warn("Exiting substitution via %s", op_name[op->op_type]);
787 warn("Exiting subroutine via %s", op_name[op->op_type]);
791 warn("Exiting eval via %s", op_name[op->op_type]);
795 warn("Exiting pseudo-block via %s", op_name[op->op_type]);
798 if (!cx->blk_loop.label ||
799 strNE(label, cx->blk_loop.label) ) {
800 DEBUG_l(deb("(Skipping label #%ld %s)\n",
801 (long)i, cx->blk_loop.label));
804 DEBUG_l( deb("(Found label #%ld %s)\n", (long)i, label));
814 I32 gimme = block_gimme();
815 return (gimme == G_VOID) ? G_SCALAR : gimme;
823 cxix = dopoptosub(cxstack_ix);
827 switch (cxstack[cxix].blk_gimme) {
835 croak("panic: bad gimme: %d\n", cxstack[cxix].blk_gimme);
840 dopoptosub(startingblock)
844 register CONTEXT *cx;
845 for (i = startingblock; i >= 0; i--) {
847 switch (cx->cx_type) {
852 DEBUG_l( deb("(Found sub #%ld)\n", (long)i));
860 dopoptoeval(startingblock)
864 register CONTEXT *cx;
865 for (i = startingblock; i >= 0; i--) {
867 switch (cx->cx_type) {
871 DEBUG_l( deb("(Found eval #%ld)\n", (long)i));
879 dopoptoloop(startingblock)
883 register CONTEXT *cx;
884 for (i = startingblock; i >= 0; i--) {
886 switch (cx->cx_type) {
889 warn("Exiting substitution via %s", op_name[op->op_type]);
893 warn("Exiting subroutine via %s", op_name[op->op_type]);
897 warn("Exiting eval via %s", op_name[op->op_type]);
901 warn("Exiting pseudo-block via %s", op_name[op->op_type]);
904 DEBUG_l( deb("(Found loop #%ld)\n", (long)i));
915 register CONTEXT *cx;
919 while (cxstack_ix > cxix) {
920 cx = &cxstack[cxstack_ix--];
921 DEBUG_l(PerlIO_printf(Perl_debug_log, "Unwinding block %ld, type %s\n", (long) cxstack_ix+1,
922 block_type[cx->cx_type]));
923 /* Note: we don't need to restore the base context info till the end. */
924 switch (cx->cx_type) {
947 register CONTEXT *cx;
953 STRLEN klen = strlen(message);
955 svp = hv_fetch(GvHV(errgv), message, klen, TRUE);
958 static char prefix[] = "\t(in cleanup) ";
959 sv_upgrade(*svp, SVt_IV);
960 (void)SvIOK_only(*svp);
961 SvGROW(GvSV(errgv), SvCUR(GvSV(errgv))+sizeof(prefix)+klen);
962 sv_catpvn(GvSV(errgv), prefix, sizeof(prefix)-1);
963 sv_catpvn(GvSV(errgv), message, klen);
969 sv_setpv(GvSV(errgv), message);
971 cxix = dopoptoeval(cxstack_ix);
975 if (cxix < cxstack_ix)
979 if (cx->cx_type != CXt_EVAL) {
980 PerlIO_printf(PerlIO_stderr(), "panic: die %s", message);
985 if (gimme == G_SCALAR)
986 *++newsp = &sv_undef;
991 if (optype == OP_REQUIRE) {
992 char* msg = SvPVx(GvSV(errgv), na);
993 DIE("%s", *msg ? msg : "Compilation failed in require");
998 PerlIO_printf(PerlIO_stderr(), "%s",message);
999 PerlIO_flush(PerlIO_stderr());
1008 if (SvTRUE(left) != SvTRUE(right))
1020 RETURNOP(cLOGOP->op_other);
1029 RETURNOP(cLOGOP->op_other);
1036 SV** mark = (stack_base + *markstack_ptr + 1);
1038 while (mark < sp) { /* emulate old interface */
1043 return pp_entersub();
1050 register I32 cxix = dopoptosub(cxstack_ix);
1051 register CONTEXT *cx;
1062 if (GIMME != G_ARRAY)
1066 if (DBsub && cxix >= 0 &&
1067 cxstack[cxix].blk_sub.cv == GvCV(DBsub))
1071 cxix = dopoptosub(cxix - 1);
1073 cx = &cxstack[cxix];
1074 if (cxstack[cxix].cx_type == CXt_SUB) {
1075 dbcxix = dopoptosub(cxix - 1);
1076 /* We expect that cxstack[dbcxix] is CXt_SUB, anyway, the
1077 field below is defined for any cx. */
1078 if (DBsub && dbcxix >= 0 && cxstack[dbcxix].blk_sub.cv == GvCV(DBsub))
1079 cx = &cxstack[dbcxix];
1082 if (GIMME != G_ARRAY) {
1085 sv_setpv(TARG, HvNAME(cx->blk_oldcop->cop_stash));
1090 PUSHs(sv_2mortal(newSVpv(HvNAME(cx->blk_oldcop->cop_stash), 0)));
1091 PUSHs(sv_2mortal(newSVpv(SvPVX(GvSV(cx->blk_oldcop->cop_filegv)), 0)));
1092 PUSHs(sv_2mortal(newSViv((I32)cx->blk_oldcop->cop_line)));
1095 if (cx->cx_type == CXt_SUB) { /* So is cxstack[dbcxix]. */
1097 gv_efullname3(sv, CvGV(cxstack[cxix].blk_sub.cv), Nullch);
1098 PUSHs(sv_2mortal(sv));
1099 PUSHs(sv_2mortal(newSViv((I32)cx->blk_sub.hasargs)));
1102 PUSHs(sv_2mortal(newSVpv("(eval)",0)));
1103 PUSHs(sv_2mortal(newSViv(0)));
1105 gimme = (I32)cx->blk_gimme;
1106 if (gimme == G_VOID)
1109 PUSHs(sv_2mortal(newSViv(gimme & G_ARRAY)));
1110 if (cx->cx_type == CXt_EVAL) {
1111 if (cx->blk_eval.old_op_type == OP_ENTEREVAL) {
1112 PUSHs(cx->blk_eval.cur_text);
1115 else if (cx->blk_eval.old_name) { /* Try blocks have old_name == 0. */
1116 /* Require, put the name. */
1117 PUSHs(sv_2mortal(newSVpv(cx->blk_eval.old_name, 0)));
1121 else if (cx->cx_type == CXt_SUB &&
1122 cx->blk_sub.hasargs &&
1123 curcop->cop_stash == debstash)
1125 AV *ary = cx->blk_sub.argarray;
1126 int off = AvARRAY(ary) - AvALLOC(ary);
1130 dbargs = GvAV(gv_AVadd(tmpgv = gv_fetchpv("DB::args", TRUE,
1133 AvREAL_off(dbargs); /* XXX Should be REIFY */
1136 if (AvMAX(dbargs) < AvFILL(ary) + off)
1137 av_extend(dbargs, AvFILL(ary) + off);
1138 Copy(AvALLOC(ary), AvARRAY(dbargs), AvFILL(ary) + 1 + off, SV*);
1139 AvFILL(dbargs) = AvFILL(ary) + off;
1149 SV * const *str1 = (SV * const *)a;
1150 SV * const *str2 = (SV * const *)b;
1151 I32 oldsaveix = savestack_ix;
1152 I32 oldscopeix = scopestack_ix;
1154 GvSV(firstgv) = *str1;
1155 GvSV(secondgv) = *str2;
1156 stack_sp = stack_base;
1159 if (stack_sp != stack_base + 1)
1160 croak("Sort subroutine didn't return single value");
1161 if (!SvNIOKp(*stack_sp))
1162 croak("Sort subroutine didn't return a numeric value");
1163 result = SvIV(*stack_sp);
1164 while (scopestack_ix > oldscopeix) {
1167 leave_scope(oldsaveix);
1176 return sv_cmp(*(SV * const *)a, *(SV * const *)b);
1180 sortcmp_locale(a, b)
1184 return sv_cmp_locale(*(SV * const *)a, *(SV * const *)b);
1196 sv_reset(tmps, curcop->cop_stash);
1209 TAINT_NOT; /* Each statement is presumed innocent */
1210 stack_sp = stack_base + cxstack[cxstack_ix].blk_oldsp;
1213 if (op->op_private || SvIV(DBsingle) || SvIV(DBsignal) || SvIV(DBtrace))
1217 register CONTEXT *cx;
1218 I32 gimme = G_ARRAY;
1225 DIE("No DB::DB routine defined");
1227 if (CvDEPTH(cv) >= 1 && !(debug & (1<<30))) /* don't do recursive DB::DB call */
1239 push_return(op->op_next);
1240 PUSHBLOCK(cx, CXt_SUB, sp);
1243 (void)SvREFCNT_inc(cv);
1245 curpad = AvARRAY((AV*)*av_fetch(CvPADLIST(cv),1,FALSE));
1246 RETURNOP(CvSTART(cv));
1260 register CONTEXT *cx;
1261 I32 gimme = GIMME_V;
1268 svp = &curpad[op->op_targ]; /* "my" variable */
1270 svp = &GvSV((GV*)POPs); /* symbol table variable */
1276 PUSHBLOCK(cx, CXt_LOOP, SP);
1277 PUSHLOOP(cx, svp, MARK);
1278 if (op->op_flags & OPf_STACKED)
1279 cx->blk_loop.iterary = (AV*)SvREFCNT_inc(POPs);
1281 cx->blk_loop.iterary = curstack;
1282 AvFILL(curstack) = sp - stack_base;
1283 cx->blk_loop.iterix = MARK - stack_base;
1292 register CONTEXT *cx;
1293 I32 gimme = GIMME_V;
1299 PUSHBLOCK(cx, CXt_LOOP, SP);
1300 PUSHLOOP(cx, 0, SP);
1308 register CONTEXT *cx;
1309 struct block_loop cxloop;
1317 POPLOOP1(cx); /* Delay POPLOOP2 until stack values are safe */
1319 if (gimme == G_VOID)
1321 else if (gimme == G_SCALAR) {
1323 *++newsp = sv_mortalcopy(*SP);
1325 *++newsp = &sv_undef;
1329 *++newsp = sv_mortalcopy(*++mark);
1334 POPLOOP2(); /* Stack values are safe: release loop vars ... */
1335 curpm = newpm; /* ... and pop $1 et al */
1347 register CONTEXT *cx;
1348 struct block_sub cxsub;
1349 bool popsub2 = FALSE;
1355 if (curstack == sortstack) {
1356 if (cxstack_ix == sortcxix || dopoptosub(cxstack_ix) < sortcxix) {
1357 if (cxstack_ix > sortcxix)
1359 AvARRAY(curstack)[1] = *SP;
1360 stack_sp = stack_base + 1;
1365 cxix = dopoptosub(cxstack_ix);
1367 DIE("Can't return outside a subroutine");
1368 if (cxix < cxstack_ix)
1372 switch (cx->cx_type) {
1374 POPSUB1(cx); /* Delay POPSUB2 until stack values are safe */
1379 if (optype == OP_REQUIRE &&
1380 (MARK == SP || (gimme == G_SCALAR && !SvTRUE(*SP))) )
1382 /* Unassume the success we assumed earlier. */
1383 char *name = cx->blk_eval.old_name;
1384 (void)hv_delete(GvHVn(incgv), name, strlen(name), G_DISCARD);
1385 DIE("%s did not return a true value", name);
1389 DIE("panic: return");
1392 if (gimme == G_SCALAR) {
1394 *++newsp = (popsub2 && SvTEMP(*SP))
1395 ? *SP : sv_mortalcopy(*SP);
1397 *++newsp = &sv_undef;
1399 else if (gimme == G_ARRAY) {
1400 while (++MARK <= SP)
1401 *++newsp = (popsub2 && SvTEMP(*MARK))
1402 ? *MARK : sv_mortalcopy(*MARK);
1406 /* Stack values are safe: */
1408 POPSUB2(); /* release CV and @_ ... */
1410 curpm = newpm; /* ... and pop $1 et al */
1413 return pop_return();
1420 register CONTEXT *cx;
1421 struct block_loop cxloop;
1422 struct block_sub cxsub;
1429 SV **mark = stack_base + cxstack[cxstack_ix].blk_oldsp;
1431 if (op->op_flags & OPf_SPECIAL) {
1432 cxix = dopoptoloop(cxstack_ix);
1434 DIE("Can't \"last\" outside a block");
1437 cxix = dopoptolabel(cPVOP->op_pv);
1439 DIE("Label not found for \"last %s\"", cPVOP->op_pv);
1441 if (cxix < cxstack_ix)
1445 switch (cx->cx_type) {
1447 POPLOOP1(cx); /* Delay POPLOOP2 until stack values are safe */
1449 nextop = cxloop.last_op->op_next;
1452 POPSUB1(cx); /* Delay POPSUB2 until stack values are safe */
1454 nextop = pop_return();
1458 nextop = pop_return();
1464 if (gimme == G_SCALAR) {
1466 *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*SP))
1467 ? *SP : sv_mortalcopy(*SP);
1469 *++newsp = &sv_undef;
1471 else if (gimme == G_ARRAY) {
1472 while (++MARK <= SP)
1473 *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*MARK))
1474 ? *MARK : sv_mortalcopy(*MARK);
1479 /* Stack values are safe: */
1482 POPLOOP2(); /* release loop vars ... */
1486 POPSUB2(); /* release CV and @_ ... */
1489 curpm = newpm; /* ... and pop $1 et al */
1498 register CONTEXT *cx;
1501 if (op->op_flags & OPf_SPECIAL) {
1502 cxix = dopoptoloop(cxstack_ix);
1504 DIE("Can't \"next\" outside a block");
1507 cxix = dopoptolabel(cPVOP->op_pv);
1509 DIE("Label not found for \"next %s\"", cPVOP->op_pv);
1511 if (cxix < cxstack_ix)
1515 oldsave = scopestack[scopestack_ix - 1];
1516 LEAVE_SCOPE(oldsave);
1517 return cx->blk_loop.next_op;
1523 register CONTEXT *cx;
1526 if (op->op_flags & OPf_SPECIAL) {
1527 cxix = dopoptoloop(cxstack_ix);
1529 DIE("Can't \"redo\" outside a block");
1532 cxix = dopoptolabel(cPVOP->op_pv);
1534 DIE("Label not found for \"redo %s\"", cPVOP->op_pv);
1536 if (cxix < cxstack_ix)
1540 oldsave = scopestack[scopestack_ix - 1];
1541 LEAVE_SCOPE(oldsave);
1542 return cx->blk_loop.redo_op;
1545 static OP* lastgotoprobe;
1548 dofindlabel(op,label,opstack,oplimit)
1556 static char too_deep[] = "Target of goto is too deeply nested";
1560 if (op->op_type == OP_LEAVE ||
1561 op->op_type == OP_SCOPE ||
1562 op->op_type == OP_LEAVELOOP ||
1563 op->op_type == OP_LEAVETRY)
1565 *ops++ = cUNOP->op_first;
1570 if (op->op_flags & OPf_KIDS) {
1571 /* First try all the kids at this level, since that's likeliest. */
1572 for (kid = cUNOP->op_first; kid; kid = kid->op_sibling) {
1573 if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) &&
1574 kCOP->cop_label && strEQ(kCOP->cop_label, label))
1577 for (kid = cUNOP->op_first; kid; kid = kid->op_sibling) {
1578 if (kid == lastgotoprobe)
1580 if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) &&
1582 (ops[-1]->op_type != OP_NEXTSTATE &&
1583 ops[-1]->op_type != OP_DBSTATE)))
1585 if (op = dofindlabel(kid, label, ops, oplimit))
1595 return pp_goto(ARGS);
1604 register CONTEXT *cx;
1605 #define GOTO_DEPTH 64
1606 OP *enterops[GOTO_DEPTH];
1608 int do_dump = (op->op_type == OP_DUMP);
1611 if (op->op_flags & OPf_STACKED) {
1614 /* This egregious kludge implements goto &subroutine */
1615 if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV) {
1617 register CONTEXT *cx;
1618 CV* cv = (CV*)SvRV(sv);
1623 if (!CvROOT(cv) && !CvXSUB(cv)) {
1625 SV *tmpstr = sv_newmortal();
1626 gv_efullname3(tmpstr, CvGV(cv), Nullch);
1627 DIE("Goto undefined subroutine &%s",SvPVX(tmpstr));
1629 DIE("Goto undefined subroutine");
1632 /* First do some returnish stuff. */
1633 cxix = dopoptosub(cxstack_ix);
1635 DIE("Can't goto subroutine outside a subroutine");
1636 if (cxix < cxstack_ix)
1640 if (cx->blk_sub.hasargs) { /* put @_ back onto stack */
1641 AV* av = cx->blk_sub.argarray;
1643 items = AvFILL(av) + 1;
1645 EXTEND(stack_sp, items); /* @_ could have been extended. */
1646 Copy(AvARRAY(av), stack_sp, items, SV*);
1648 SvREFCNT_dec(GvAV(defgv));
1649 GvAV(defgv) = cx->blk_sub.savearray;
1653 if (!(CvDEPTH(cx->blk_sub.cv) = cx->blk_sub.olddepth))
1654 SvREFCNT_dec(cx->blk_sub.cv);
1655 oldsave = scopestack[scopestack_ix - 1];
1656 LEAVE_SCOPE(oldsave);
1658 /* Now do some callish stuff. */
1661 if (CvOLDSTYLE(cv)) {
1662 I32 (*fp3)_((int,int,int));
1667 fp3 = (I32(*)_((int,int,int)))CvXSUB(cv);
1668 items = (*fp3)(CvXSUBANY(cv).any_i32,
1669 mark - stack_base + 1,
1671 sp = stack_base + items;
1674 stack_sp--; /* There is no cv arg. */
1675 (void)(*CvXSUB(cv))(cv);
1678 return pop_return();
1681 AV* padlist = CvPADLIST(cv);
1682 SV** svp = AvARRAY(padlist);
1683 cx->blk_sub.cv = cv;
1684 cx->blk_sub.olddepth = CvDEPTH(cv);
1686 if (CvDEPTH(cv) < 2)
1687 (void)SvREFCNT_inc(cv);
1688 else { /* save temporaries on recursion? */
1689 if (CvDEPTH(cv) == 100 && dowarn)
1690 sub_crush_depth(cv);
1691 if (CvDEPTH(cv) > AvFILL(padlist)) {
1692 AV *newpad = newAV();
1693 SV **oldpad = AvARRAY(svp[CvDEPTH(cv)-1]);
1694 I32 ix = AvFILL((AV*)svp[1]);
1695 svp = AvARRAY(svp[0]);
1696 for ( ;ix > 0; ix--) {
1697 if (svp[ix] != &sv_undef) {
1698 char *name = SvPVX(svp[ix]);
1699 if ((SvFLAGS(svp[ix]) & SVf_FAKE)
1702 /* outer lexical or anon code */
1703 av_store(newpad, ix,
1704 SvREFCNT_inc(oldpad[ix]) );
1706 else { /* our own lexical */
1708 av_store(newpad, ix, sv = (SV*)newAV());
1709 else if (*name == '%')
1710 av_store(newpad, ix, sv = (SV*)newHV());
1712 av_store(newpad, ix, sv = NEWSV(0,0));
1717 av_store(newpad, ix, sv = NEWSV(0,0));
1721 if (cx->blk_sub.hasargs) {
1724 av_store(newpad, 0, (SV*)av);
1725 AvFLAGS(av) = AVf_REIFY;
1727 av_store(padlist, CvDEPTH(cv), (SV*)newpad);
1728 AvFILL(padlist) = CvDEPTH(cv);
1729 svp = AvARRAY(padlist);
1733 curpad = AvARRAY((AV*)svp[CvDEPTH(cv)]);
1734 if (cx->blk_sub.hasargs) {
1735 AV* av = (AV*)curpad[0];
1738 cx->blk_sub.savearray = GvAV(defgv);
1739 cx->blk_sub.argarray = av;
1740 GvAV(defgv) = (AV*)SvREFCNT_inc(av);
1743 if (items >= AvMAX(av) + 1) {
1745 if (AvARRAY(av) != ary) {
1746 AvMAX(av) += AvARRAY(av) - AvALLOC(av);
1747 SvPVX(av) = (char*)ary;
1749 if (items >= AvMAX(av) + 1) {
1750 AvMAX(av) = items - 1;
1751 Renew(ary,items+1,SV*);
1753 SvPVX(av) = (char*)ary;
1756 Copy(mark,AvARRAY(av),items,SV*);
1757 AvFILL(av) = items - 1;
1765 if (perldb && curstash != debstash) {
1767 * We do not care about using sv to call CV;
1768 * it's for informational purposes only.
1770 SV *sv = GvSV(DBsub);
1772 gv_efullname3(sv, CvGV(cv), Nullch);
1774 RETURNOP(CvSTART(cv));
1778 label = SvPV(sv,na);
1780 else if (op->op_flags & OPf_SPECIAL) {
1782 DIE("goto must have label");
1785 label = cPVOP->op_pv;
1787 if (label && *label) {
1794 for (ix = cxstack_ix; ix >= 0; ix--) {
1796 switch (cx->cx_type) {
1798 gotoprobe = CvROOT(cx->blk_sub.cv);
1801 gotoprobe = eval_root; /* XXX not good for nested eval */
1804 gotoprobe = cx->blk_oldcop->op_sibling;
1810 gotoprobe = cx->blk_oldcop->op_sibling;
1812 gotoprobe = main_root;
1815 DIE("Can't \"goto\" outside a block");
1819 gotoprobe = main_root;
1822 retop = dofindlabel(gotoprobe, label,
1823 enterops, enterops + GOTO_DEPTH);
1826 lastgotoprobe = gotoprobe;
1829 DIE("Can't find label %s", label);
1831 /* pop unwanted frames */
1833 if (ix < cxstack_ix) {
1840 oldsave = scopestack[scopestack_ix];
1841 LEAVE_SCOPE(oldsave);
1844 /* push wanted frames */
1846 if (*enterops && enterops[1]) {
1848 for (ix = 1; enterops[ix]; ix++) {
1858 if (!retop) retop = main_start;
1865 restartop = 0; /* hmm, must be GNU unexec().. */
1869 if (curstack == signalstack) {
1887 if (anum == 1 && VMSISH_EXIT)
1900 double value = SvNVx(GvSV(cCOP->cop_gv));
1901 register I32 match = I_32(value);
1904 if (((double)match) > value)
1905 --match; /* was fractional--truncate other way */
1907 match -= cCOP->uop.scop.scop_offset;
1910 else if (match > cCOP->uop.scop.scop_max)
1911 match = cCOP->uop.scop.scop_max;
1912 op = cCOP->uop.scop.scop_next[match];
1922 op = op->op_next; /* can't assume anything */
1924 match = *(SvPVx(GvSV(cCOP->cop_gv), na)) & 255;
1925 match -= cCOP->uop.scop.scop_offset;
1928 else if (match > cCOP->uop.scop.scop_max)
1929 match = cCOP->uop.scop.scop_max;
1930 op = cCOP->uop.scop.scop_next[match];
1939 save_lines(array, sv)
1943 register char *s = SvPVX(sv);
1944 register char *send = SvPVX(sv) + SvCUR(sv);
1946 register I32 line = 1;
1948 while (s && s < send) {
1949 SV *tmpstr = NEWSV(85,0);
1951 sv_upgrade(tmpstr, SVt_PVMG);
1952 t = strchr(s, '\n');
1958 sv_setpvn(tmpstr, s, t - s);
1959 av_store(array, line++, tmpstr);
1969 I32 oldrunlevel = runlevel;
1975 assert(CATCH_GET == TRUE);
1976 DEBUG_l(deb("(Setting up local jumplevel, runlevel = %ld)\n", (long)runlevel+1));
1980 default: /* topmost level handles it */
1982 runlevel = oldrunlevel;
1988 PerlIO_printf(PerlIO_stderr(), "panic: restartop\n");
1999 runlevel = oldrunlevel;
2018 /* set up a scratch pad */
2023 SAVESPTR(comppad_name);
2024 SAVEI32(comppad_name_fill);
2025 SAVEI32(min_intro_pending);
2026 SAVEI32(max_intro_pending);
2030 compcv = (CV*)NEWSV(1104,0);
2031 sv_upgrade((SV *)compcv, SVt_PVCV);
2032 CvUNIQUE_on(compcv);
2035 comppad_name = newAV();
2036 comppad_name_fill = 0;
2037 min_intro_pending = 0;
2038 av_push(comppad, Nullsv);
2039 curpad = AvARRAY(comppad);
2042 comppadlist = newAV();
2043 AvREAL_off(comppadlist);
2044 av_store(comppadlist, 0, (SV*)comppad_name);
2045 av_store(comppadlist, 1, (SV*)comppad);
2046 CvPADLIST(compcv) = comppadlist;
2048 if (saveop->op_type != OP_REQUIRE)
2049 CvOUTSIDE(compcv) = (CV*)SvREFCNT_inc(caller);
2053 /* make sure we compile in the right package */
2055 newstash = curcop->cop_stash;
2056 if (curstash != newstash) {
2058 curstash = newstash;
2062 SAVEFREESV(beginav);
2064 /* try to compile it */
2068 curcop = &compiling;
2069 curcop->cop_arybase = 0;
2071 rs = newSVpv("\n", 1);
2072 if (saveop->op_flags & OPf_SPECIAL)
2075 sv_setpv(GvSV(errgv),"");
2076 if (yyparse() || error_count || !eval_root) {
2087 SP = stack_base + POPMARK; /* pop original mark */
2093 if (optype == OP_REQUIRE) {
2094 char* msg = SvPVx(GvSV(errgv), na);
2095 DIE("%s", *msg ? msg : "Compilation failed in require");
2098 rs = SvREFCNT_inc(nrs);
2102 rs = SvREFCNT_inc(nrs);
2103 compiling.cop_line = 0;
2104 SAVEFREEOP(eval_root);
2106 scalarvoid(eval_root);
2107 else if (gimme & G_ARRAY)
2112 DEBUG_x(dump_eval());
2114 /* Register with debugger: */
2115 if (perldb && saveop->op_type == OP_REQUIRE) {
2116 CV *cv = perl_get_cv("DB::postponed", FALSE);
2120 XPUSHs((SV*)compiling.cop_filegv);
2122 perl_call_sv((SV*)cv, G_DISCARD);
2126 /* compiled okay, so do it */
2128 CvDEPTH(compcv) = 1;
2130 SP = stack_base + POPMARK; /* pop original mark */
2131 RETURNOP(eval_start);
2137 register CONTEXT *cx;
2141 SV *namesv = Nullsv;
2143 I32 gimme = G_SCALAR;
2144 PerlIO *tryrsfp = 0;
2147 if (SvNIOKp(sv) && !SvPOKp(sv)) {
2148 SET_NUMERIC_STANDARD();
2149 if (atof(patchlevel) + 0.00000999 < SvNV(sv))
2150 DIE("Perl %s required--this is only version %s, stopped",
2151 SvPV(sv,na),patchlevel);
2154 name = SvPV(sv, na);
2156 DIE("Null filename used");
2157 TAINT_PROPER("require");
2158 if (op->op_type == OP_REQUIRE &&
2159 (svp = hv_fetch(GvHVn(incgv), name, SvCUR(sv), 0)) &&
2163 /* prepare to compile file */
2168 (name[1] == '.' && name[2] == '/')))
2170 || (name[0] && name[1] == ':')
2173 || (strchr(name,':') || ((*name == '[' || *name == '<') &&
2174 (isALNUM(name[1]) || strchr("$-_]>",name[1]))))
2179 tryrsfp = PerlIO_open(name,"r");
2182 AV *ar = GvAVn(incgv);
2186 if ((unixname = tounixspec(name, Nullch)) != Nullch)
2189 namesv = NEWSV(806, 0);
2190 for (i = 0; i <= AvFILL(ar); i++) {
2191 char *dir = SvPVx(*av_fetch(ar, i, TRUE), na);
2194 if ((unixdir = tounixpath(dir, Nullch)) == Nullch)
2196 sv_setpv(namesv, unixdir);
2197 sv_catpv(namesv, unixname);
2199 sv_setpvf(namesv, "%s/%s", dir, name);
2201 tryname = SvPVX(namesv);
2202 tryrsfp = PerlIO_open(tryname, "r");
2204 if (tryname[0] == '.' && tryname[1] == '/')
2211 SAVESPTR(compiling.cop_filegv);
2212 compiling.cop_filegv = gv_fetchfile(tryrsfp ? tryname : name);
2213 SvREFCNT_dec(namesv);
2215 if (op->op_type == OP_REQUIRE) {
2216 SV *msg = sv_2mortal(newSVpvf("Can't locate %s in @INC", name));
2217 if (instr(SvPVX(msg), ".h "))
2218 sv_catpv(msg, " (change .h to .ph maybe?)");
2219 if (instr(SvPVX(msg), ".ph "))
2220 sv_catpv(msg, " (did you run h2ph?)");
2227 /* Assume success here to prevent recursive requirement. */
2228 (void)hv_store(GvHVn(incgv), name, strlen(name),
2229 newSVsv(GvSV(compiling.cop_filegv)), 0 );
2233 lex_start(sv_2mortal(newSVpv("",0)));
2235 save_aptr(&rsfp_filters);
2236 rsfp_filters = NULL;
2240 name = savepv(name);
2245 /* switch to eval mode */
2247 push_return(op->op_next);
2248 PUSHBLOCK(cx, CXt_EVAL, SP);
2249 PUSHEVAL(cx, name, compiling.cop_filegv);
2251 compiling.cop_line = 0;
2254 return DOCATCH(doeval(G_SCALAR));
2259 return pp_require(ARGS);
2265 register CONTEXT *cx;
2267 I32 gimme = GIMME_V, was = sub_generation;
2268 char tmpbuf[TYPE_DIGITS(long) + 12];
2273 if (!SvPV(sv,len) || !len)
2275 TAINT_PROPER("eval");
2281 /* switch to eval mode */
2283 SAVESPTR(compiling.cop_filegv);
2284 sprintf(tmpbuf, "_<(eval %lu)", (unsigned long)++evalseq);
2285 compiling.cop_filegv = gv_fetchfile(tmpbuf+2);
2286 compiling.cop_line = 1;
2287 /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up
2288 deleting the eval's FILEGV from the stash before gv_check() runs
2289 (i.e. before run-time proper). To work around the coredump that
2290 ensues, we always turn GvMULTI_on for any globals that were
2291 introduced within evals. See force_ident(). GSAR 96-10-12 */
2292 safestr = savepv(tmpbuf);
2293 SAVEDELETE(defstash, safestr, strlen(safestr));
2295 hints = op->op_targ;
2297 push_return(op->op_next);
2298 PUSHBLOCK(cx, CXt_EVAL, SP);
2299 PUSHEVAL(cx, 0, compiling.cop_filegv);
2301 /* prepare to compile string */
2303 if (perldb && curstash != debstash)
2304 save_lines(GvAV(compiling.cop_filegv), linestr);
2306 ret = doeval(gimme);
2307 if (perldb && was != sub_generation) { /* Some subs defined here. */
2308 strcpy(safestr, "_<(eval )"); /* Anything fake and short. */
2310 return DOCATCH(ret);
2320 register CONTEXT *cx;
2322 U8 save_flags = op -> op_flags;
2327 retop = pop_return();
2329 if (gimme == G_VOID)
2331 else if (gimme == G_SCALAR) {
2334 if (SvFLAGS(TOPs) & SVs_TEMP)
2337 *MARK = sv_mortalcopy(TOPs);
2345 for (mark = newsp + 1; mark <= SP; mark++)
2346 if (!(SvFLAGS(*mark) & SVs_TEMP))
2347 *mark = sv_mortalcopy(*mark);
2348 /* in case LEAVE wipes old return values */
2350 curpm = newpm; /* Don't pop $1 et al till now */
2353 assert(CvDEPTH(compcv) == 1);
2355 CvDEPTH(compcv) = 0;
2357 if (optype == OP_REQUIRE &&
2358 !(gimme == G_SCALAR ? SvTRUE(*sp) : sp > newsp))
2360 /* Unassume the success we assumed earlier. */
2361 char *name = cx->blk_eval.old_name;
2362 (void)hv_delete(GvHVn(incgv), name, strlen(name), G_DISCARD);
2363 retop = die("%s did not return a true value", name);
2369 if (!(save_flags & OPf_SPECIAL))
2370 sv_setpv(GvSV(errgv),"");
2378 register CONTEXT *cx;
2379 I32 gimme = GIMME_V;
2384 push_return(cLOGOP->op_other->op_next);
2385 PUSHBLOCK(cx, CXt_EVAL, SP);
2387 eval_root = op; /* Only needed so that goto works right. */
2390 sv_setpv(GvSV(errgv),"");
2392 return DOCATCH(op->op_next);
2402 register CONTEXT *cx;
2409 if (gimme == G_VOID)
2411 else if (gimme == G_SCALAR) {
2414 if (SvFLAGS(TOPs) & (SVs_PADTMP|SVs_TEMP))
2417 *MARK = sv_mortalcopy(TOPs);
2426 for (mark = newsp + 1; mark <= SP; mark++)
2427 if (!(SvFLAGS(*mark) & (SVs_PADTMP|SVs_TEMP)))
2428 *mark = sv_mortalcopy(*mark);
2429 /* in case LEAVE wipes old return values */
2431 curpm = newpm; /* Don't pop $1 et al till now */
2434 sv_setpv(GvSV(errgv),"");
2443 register char *s = SvPV_force(sv, len);
2444 register char *send = s + len;
2445 register char *base;
2446 register I32 skipspaces = 0;
2449 bool postspace = FALSE;
2457 croak("Null picture in formline");
2459 New(804, fops, (send - s)*3+10, U16); /* Almost certainly too long... */
2464 *fpc++ = FF_LINEMARK;
2465 noblank = repeat = FALSE;
2483 case ' ': case '\t':
2494 *fpc++ = FF_LITERAL;
2502 *fpc++ = skipspaces;
2506 *fpc++ = FF_NEWLINE;
2510 arg = fpc - linepc + 1;
2517 *fpc++ = FF_LINEMARK;
2518 noblank = repeat = FALSE;
2527 ischop = s[-1] == '^';
2533 arg = (s - base) - 1;
2535 *fpc++ = FF_LITERAL;
2544 *fpc++ = FF_LINEGLOB;
2546 else if (*s == '#' || (*s == '.' && s[1] == '#')) {
2547 arg = ischop ? 512 : 0;
2557 arg |= 256 + (s - f);
2559 *fpc++ = s - base; /* fieldsize for FETCH */
2560 *fpc++ = FF_DECIMAL;
2565 bool ismore = FALSE;
2568 while (*++s == '>') ;
2569 prespace = FF_SPACE;
2571 else if (*s == '|') {
2572 while (*++s == '|') ;
2573 prespace = FF_HALFSPACE;
2578 while (*++s == '<') ;
2581 if (*s == '.' && s[1] == '.' && s[2] == '.') {
2585 *fpc++ = s - base; /* fieldsize for FETCH */
2587 *fpc++ = ischop ? FF_CHECKCHOP : FF_CHECKNL;
2605 { /* need to jump to the next word */
2607 z = WORD_ALIGN - SvCUR(sv) % WORD_ALIGN;
2608 SvGROW(sv, SvCUR(sv) + z + arg * sizeof(U16) + 4);
2609 s = SvPVX(sv) + SvCUR(sv) + z;
2611 Copy(fops, s, arg, U16);
2613 sv_magic(sv, Nullsv, 'f', Nullch, 0);