/* pp_ctl.c
*
- * Copyright (c) 1991-2000, Larry Wall
+ * Copyright (c) 1991-2001, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
PP(pp_wantarray)
{
- djSP;
+ dSP;
I32 cxix;
EXTEND(SP, 1);
PP(pp_regcomp)
{
- djSP;
+ dSP;
register PMOP *pm = (PMOP*)cLOGOP->op_other;
register char *t;
SV *tmpstr;
pm->op_pmflags = pm->op_pmpermflags; /* reset case sensitivity */
if (DO_UTF8(tmpstr))
- pm->op_pmdynflags |= PMdf_UTF8;
+ pm->op_pmdynflags |= PMdf_DYN_UTF8;
+ else {
+ pm->op_pmdynflags &= ~PMdf_DYN_UTF8;
+ if (pm->op_pmdynflags & PMdf_UTF8)
+ t = (char*)bytes_to_utf8((U8*)t, &len);
+ }
pm->op_pmregexp = CALLREGCOMP(aTHX_ t, t + len, pm);
- PL_reginterp_cnt = 0; /* XXXX Be extra paranoid - needed
+ if (!DO_UTF8(tmpstr) && (pm->op_pmdynflags & PMdf_UTF8))
+ Safefree(t);
+ PL_reginterp_cnt = 0; /* XXXX Be extra paranoid - needed
inside tie/overload accessors. */
}
}
PP(pp_substcont)
{
- djSP;
+ dSP;
register PMOP *pm = (PMOP*) cLOGOP->op_other;
register PERL_CONTEXT *cx = &cxstack[cxstack_ix];
register SV *dstr = cx->sb_dstr;
: (REXEC_COPY_STR|REXEC_IGNOREPOS|REXEC_NOT_FIRST))))
{
SV *targ = cx->sb_targ;
- sv_catpvn(dstr, s, cx->sb_strend - s);
+ sv_catpvn(dstr, s, cx->sb_strend - s);
cx->sb_rxtainted |= RX_MATCH_TAINTED(rx);
(void)SvOOK_off(targ);
SvPVX(targ) = SvPVX(dstr);
SvCUR_set(targ, SvCUR(dstr));
SvLEN_set(targ, SvLEN(dstr));
+ if (DO_UTF8(dstr))
+ SvUTF8_on(targ);
SvPVX(dstr) = 0;
sv_free(dstr);
TAINT_IF(cx->sb_rxtainted & 1);
PUSHs(sv_2mortal(newSViv((I32)cx->sb_iters - 1)));
- (void)SvPOK_only(targ);
+ (void)SvPOK_only_UTF8(targ);
TAINT_IF(cx->sb_rxtainted);
SvSETMAGIC(targ);
SvTAINT(targ);
cx->sb_strend = s + (cx->sb_strend - m);
}
cx->sb_m = m = rx->startp[0] + orig;
- sv_catpvn(dstr, s, m-s);
+ if (m > s)
+ sv_catpvn(dstr, s, m-s);
cx->sb_s = rx->endp[0] + orig;
{ /* Update the pos() information. */
SV *sv = cx->sb_targ;
MAGIC *mg;
I32 i;
if (SvTYPE(sv) < SVt_PVMG)
- SvUPGRADE(sv, SVt_PVMG);
+ (void)SvUPGRADE(sv, SVt_PVMG);
if (!(mg = mg_find(sv, 'g'))) {
sv_magic(sv, Nullsv, 'g', Nullch, 0);
mg = mg_find(sv, 'g');
PP(pp_formline)
{
- djSP; dMARK; dORIGMARK;
+ dSP; dMARK; dORIGMARK;
register SV *tmpForm = *++MARK;
register U16 *fpc;
register char *t;
s = item;
if (item_is_utf) {
while (arg--) {
- if (*s & 0x80) {
+ if (UTF8_IS_CONTINUED(*s)) {
switch (UTF8SKIP(s)) {
case 7: *t++ = *s++;
case 6: *t++ = *s++;
#if defined(USE_LONG_DOUBLE)
if (arg & 256) {
sprintf(t, "%#0*.*" PERL_PRIfldbl,
- (int) fieldsize, (int) arg & 255, value);
-/* is this legal? I don't have long doubles */
+ (int) fieldsize, (int) arg & 255, value);
+/* is this legal? I don't have long doubles */
} else {
sprintf(t, "%0*.0" PERL_PRIfldbl, (int) fieldsize, value);
}
}
t += fieldsize;
break;
-
+
case FF_NEWLINE:
f++;
while (t-- > linemark && *t == ' ') ;
PP(pp_grepstart)
{
- djSP;
+ dSP;
SV *src;
if (PL_stack_base + *PL_markstack_ptr == SP) {
PP(pp_mapwhile)
{
- djSP;
+ dSP;
I32 items = (SP - PL_stack_base) - *PL_markstack_ptr; /* how many new items */
I32 count;
I32 shift;
SV** src;
- SV** dst;
+ SV** dst;
/* first, move source pointer to the next item in the source list */
++PL_markstack_ptr[-1];
* irrelevant. --jhi */
if (shift < count)
shift = count; /* Avoid shifting too often --Ben Tilly */
-
+
EXTEND(SP,shift);
src = SP;
dst = (SP += shift);
*dst-- = *src--;
}
/* copy the new items down to the destination list */
- dst = PL_stack_base + (PL_markstack_ptr[-2] += items) - 1;
+ dst = PL_stack_base + (PL_markstack_ptr[-2] += items) - 1;
while (items--)
- *dst-- = SvTEMP(TOPs) ? POPs : sv_mortalcopy(POPs);
+ *dst-- = SvTEMP(TOPs) ? POPs : sv_mortalcopy(POPs);
}
LEAVE; /* exit inner scope */
PP(pp_sort)
{
- djSP; dMARK; dORIGMARK;
+ dSP; dMARK; dORIGMARK;
register SV **up;
SV **myorigmark = ORIGMARK;
register I32 max;
PP(pp_flip)
{
- djSP;
+ dSP;
if (GIMME == G_ARRAY) {
RETURNOP(((LOGOP*)cUNOP->op_first)->op_other);
PP(pp_flop)
{
- djSP;
+ dSP;
if (GIMME == G_ARRAY) {
dPOPPOPssrl;
STATIC I32
S_dopoptolabel(pTHX_ char *label)
{
- dTHR;
register I32 i;
register PERL_CONTEXT *cx;
switch (CxTYPE(cx)) {
case CXt_SUBST:
if (ckWARN(WARN_EXITING))
- Perl_warner(aTHX_ WARN_EXITING, "Exiting substitution via %s",
+ Perl_warner(aTHX_ WARN_EXITING, "Exiting substitution via %s",
PL_op_name[PL_op->op_type]);
break;
case CXt_SUB:
if (ckWARN(WARN_EXITING))
- Perl_warner(aTHX_ WARN_EXITING, "Exiting subroutine via %s",
+ Perl_warner(aTHX_ WARN_EXITING, "Exiting subroutine via %s",
PL_op_name[PL_op->op_type]);
break;
case CXt_FORMAT:
if (ckWARN(WARN_EXITING))
- Perl_warner(aTHX_ WARN_EXITING, "Exiting format via %s",
+ Perl_warner(aTHX_ WARN_EXITING, "Exiting format via %s",
PL_op_name[PL_op->op_type]);
break;
case CXt_EVAL:
if (ckWARN(WARN_EXITING))
- Perl_warner(aTHX_ WARN_EXITING, "Exiting eval via %s",
+ Perl_warner(aTHX_ WARN_EXITING, "Exiting eval via %s",
PL_op_name[PL_op->op_type]);
break;
case CXt_NULL:
if (ckWARN(WARN_EXITING))
- Perl_warner(aTHX_ WARN_EXITING, "Exiting pseudo-block via %s",
+ Perl_warner(aTHX_ WARN_EXITING, "Exiting pseudo-block via %s",
PL_op_name[PL_op->op_type]);
return -1;
case CXt_LOOP:
I32
Perl_block_gimme(pTHX)
{
- dTHR;
I32 cxix;
cxix = dopoptosub(cxstack_ix);
}
}
+I32
+Perl_is_lvalue_sub(pTHX)
+{
+ I32 cxix;
+
+ cxix = dopoptosub(cxstack_ix);
+ assert(cxix >= 0); /* We should only be called from inside subs */
+
+ if (cxstack[cxix].blk_sub.lval && CvLVALUE(cxstack[cxix].blk_sub.cv))
+ return cxstack[cxix].blk_sub.lval;
+ else
+ return 0;
+}
+
STATIC I32
S_dopoptosub(pTHX_ I32 startingblock)
{
- dTHR;
return dopoptosub_at(cxstack, startingblock);
}
STATIC I32
S_dopoptosub_at(pTHX_ PERL_CONTEXT *cxstk, I32 startingblock)
{
- dTHR;
I32 i;
register PERL_CONTEXT *cx;
for (i = startingblock; i >= 0; i--) {
STATIC I32
S_dopoptoeval(pTHX_ I32 startingblock)
{
- dTHR;
I32 i;
register PERL_CONTEXT *cx;
for (i = startingblock; i >= 0; i--) {
STATIC I32
S_dopoptoloop(pTHX_ I32 startingblock)
{
- dTHR;
I32 i;
register PERL_CONTEXT *cx;
for (i = startingblock; i >= 0; i--) {
switch (CxTYPE(cx)) {
case CXt_SUBST:
if (ckWARN(WARN_EXITING))
- Perl_warner(aTHX_ WARN_EXITING, "Exiting substitution via %s",
+ Perl_warner(aTHX_ WARN_EXITING, "Exiting substitution via %s",
PL_op_name[PL_op->op_type]);
break;
case CXt_SUB:
if (ckWARN(WARN_EXITING))
- Perl_warner(aTHX_ WARN_EXITING, "Exiting subroutine via %s",
+ Perl_warner(aTHX_ WARN_EXITING, "Exiting subroutine via %s",
PL_op_name[PL_op->op_type]);
break;
case CXt_FORMAT:
if (ckWARN(WARN_EXITING))
- Perl_warner(aTHX_ WARN_EXITING, "Exiting format via %s",
+ Perl_warner(aTHX_ WARN_EXITING, "Exiting format via %s",
PL_op_name[PL_op->op_type]);
break;
case CXt_EVAL:
if (ckWARN(WARN_EXITING))
- Perl_warner(aTHX_ WARN_EXITING, "Exiting eval via %s",
+ Perl_warner(aTHX_ WARN_EXITING, "Exiting eval via %s",
PL_op_name[PL_op->op_type]);
break;
case CXt_NULL:
if (ckWARN(WARN_EXITING))
- Perl_warner(aTHX_ WARN_EXITING, "Exiting pseudo-block via %s",
+ Perl_warner(aTHX_ WARN_EXITING, "Exiting pseudo-block via %s",
PL_op_name[PL_op->op_type]);
return -1;
case CXt_LOOP:
void
Perl_dounwind(pTHX_ I32 cxix)
{
- dTHR;
register PERL_CONTEXT *cx;
I32 optype;
STATIC void
S_free_closures(pTHX)
{
- dTHR;
SV **svp = AvARRAY(PL_comppad_name);
I32 ix;
for (ix = AvFILLp(PL_comppad_name); ix >= 0; ix--) {
}
}
}
- else
+ else {
sv_setpvn(ERRSV, message, msglen);
+ if (PL_hints & HINT_UTF8)
+ SvUTF8_on(ERRSV);
+ else
+ SvUTF8_off(ERRSV);
+ }
}
else
message = SvPVx(ERRSV, msglen);
PP(pp_xor)
{
- djSP; dPOPTOPssrl;
+ dSP; dPOPTOPssrl;
if (SvTRUE(left) != SvTRUE(right))
RETSETYES;
else
PP(pp_andassign)
{
- djSP;
+ dSP;
if (!SvTRUE(TOPs))
RETURN;
else
PP(pp_orassign)
{
- djSP;
+ dSP;
if (SvTRUE(TOPs))
RETURN;
else
PP(pp_caller)
{
- djSP;
+ dSP;
register I32 cxix = dopoptosub(cxstack_ix);
register PERL_CONTEXT *cx;
register PERL_CONTEXT *ccstack = cxstack;
SV * mask ;
SV * old_warnings = cx->blk_oldcop->cop_warnings ;
- if (old_warnings == pWARN_NONE ||
+ if (old_warnings == pWARN_NONE ||
(old_warnings == pWARN_STD && (PL_dowarn & G_WARN_ON) == 0))
mask = newSVpvn(WARN_NONEstring, WARNsize) ;
- else if (old_warnings == pWARN_ALL ||
+ else if (old_warnings == pWARN_ALL ||
(old_warnings == pWARN_STD && PL_dowarn & G_WARN_ON))
mask = newSVpvn(WARN_ALLstring, WARNsize) ;
else
PP(pp_reset)
{
- djSP;
+ dSP;
char *tmps;
STRLEN n_a;
if (PL_op->op_private || SvIV(PL_DBsingle) || SvIV(PL_DBsignal) || SvIV(PL_DBtrace))
{
- djSP;
+ dSP;
register CV *cv;
register PERL_CONTEXT *cx;
I32 gimme = G_ARRAY;
if (!cv)
DIE(aTHX_ "No DB::DB routine defined");
- if (CvDEPTH(cv) >= 1 && !(PL_debug & (1<<30))) /* don't do recursive DB::DB call */
+ if (CvDEPTH(cv) >= 1 && !(PL_debug & DEBUG_DB_RECURSE_FLAG))
+ /* don't do recursive DB::DB call */
return NORMAL;
ENTER;
PP(pp_enteriter)
{
- djSP; dMARK;
+ dSP; dMARK;
register PERL_CONTEXT *cx;
I32 gimme = GIMME_V;
SV **svp;
#ifdef USE_THREADS
if (PL_op->op_flags & OPf_SPECIAL) {
- dTHR;
svp = &THREADSV(PL_op->op_targ); /* per-thread variable */
SAVEGENERICSV(*svp);
*svp = NEWSV(0,0);
else
#endif /* USE_THREADS */
if (PL_op->op_targ) {
+#ifndef USE_ITHREADS
svp = &PL_curpad[PL_op->op_targ]; /* "my" variable */
SAVESPTR(*svp);
-#ifdef USE_ITHREADS
+#else
+ SAVEPADSV(PL_op->op_targ);
iterdata = (void*)PL_op->op_targ;
cxtype |= CXp_PADVAR;
#endif
PP(pp_enterloop)
{
- djSP;
+ dSP;
register PERL_CONTEXT *cx;
I32 gimme = GIMME_V;
PP(pp_leaveloop)
{
- djSP;
+ dSP;
register PERL_CONTEXT *cx;
I32 gimme;
SV **newsp;
PP(pp_return)
{
- djSP; dMARK;
+ dSP; dMARK;
I32 cxix;
register PERL_CONTEXT *cx;
bool popsub2 = FALSE;
PP(pp_last)
{
- djSP;
+ dSP;
I32 cxix;
register PERL_CONTEXT *cx;
I32 pop2 = 0;
}
*ops = 0;
if (o->op_flags & OPf_KIDS) {
- dTHR;
/* First try all the kids at this level, since that's likeliest. */
for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) {
if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) &&
PP(pp_goto)
{
- djSP;
+ dSP;
OP *retop = 0;
I32 ix;
register PERL_CONTEXT *cx;
if (cxix < cxstack_ix)
dounwind(cxix);
TOPBLOCK(cx);
- if (CxTYPE(cx) == CXt_EVAL && cx->blk_eval.old_op_type == OP_ENTEREVAL)
+ if (CxTYPE(cx) == CXt_EVAL && cx->blk_eval.old_op_type == OP_ENTEREVAL)
DIE(aTHX_ "Can't goto subroutine from an eval-string");
mark = PL_stack_sp;
if (CxTYPE(cx) == CXt_SUB && cx->blk_sub.hasargs) {
PL_stack_sp--; /* There is no cv arg. */
/* Push a mark for the start of arglist */
- PUSHMARK(mark);
+ PUSHMARK(mark);
(void)(*CvXSUB(cv))(aTHXo_ cv);
/* Pop the current context like a decent sub should */
POPBLOCK(cx, PL_curpm);
#ifdef USE_THREADS
if (!cx->blk_sub.hasargs) {
AV* av = (AV*)PL_curpad[0];
-
+
items = AvFILLp(av) + 1;
if (items) {
/* Mark is at the end of the stack. */
EXTEND(SP, items);
Copy(AvARRAY(av), SP + 1, items, SV*);
SP += items;
- PUTBACK ;
+ PUTBACK ;
}
}
#endif /* USE_THREADS */
*/
SV *sv = GvSV(PL_DBsub);
CV *gotocv;
-
+
if (PERLDB_SUB_NN) {
SvIVX(sv) = PTR2IV(cv); /* Already upgraded, saved */
} else {
PP(pp_exit)
{
- djSP;
+ dSP;
I32 anum;
if (MAXARG < 1)
#ifdef NOTYET
PP(pp_nswitch)
{
- djSP;
+ dSP;
NV value = SvNVx(GvSV(cCOP->cop_gv));
register I32 match = I_32(value);
PP(pp_cswitch)
{
- djSP;
+ dSP;
register I32 match;
if (PL_multiline)
STATIC OP *
S_docatch(pTHX_ OP *o)
{
- dTHR;
int ret;
OP *oldop = PL_op;
volatile PERL_SI *cursi = PL_curstackinfo;
#else
SAVEVPTR(PL_op);
#endif
- PL_hints = 0;
+ PL_hints &= HINT_UTF8;
PL_op = &dummy;
PL_op->op_type = OP_ENTEREVAL;
PL_op->op_flags = 0; /* Avoid uninit warning. */
- PUSHBLOCK(cx, CXt_EVAL, SP);
+ PUSHBLOCK(cx, CXt_EVAL|(PL_curcop == &PL_compiling ? 0 : CXp_REAL), SP);
PUSHEVAL(cx, 0, Nullgv);
rop = doeval(G_SCALAR, startop);
POPBLOCK(cx,PL_curpm);
PP(pp_require)
{
- djSP;
+ dSP;
register PERL_CONTEXT *cx;
SV *sv;
char *name;
U8 *s = (U8*)SvPVX(sv);
U8 *end = (U8*)SvPVX(sv) + SvCUR(sv);
if (s < end) {
- rev = utf8_to_uv(s, end - s, &len, 0);
+ rev = utf8n_to_uvchr(s, end - s, &len, 0);
s += len;
if (s < end) {
- ver = utf8_to_uv(s, end - s, &len, 0);
+ ver = utf8n_to_uvchr(s, end - s, &len, 0);
s += len;
if (s < end)
- sver = utf8_to_uv(s, end - s, &len, 0);
+ sver = utf8n_to_uvchr(s, end - s, &len, 0);
}
}
if (PERL_REVISION < rev
/* prepare to compile file */
+#ifdef MACOS_TRADITIONAL
if (PERL_FILE_IS_ABSOLUTE(name)
- || (*name == '.' && (name[1] == '/' ||
- (name[1] == '.' && name[2] == '/'))))
+ || (*name == ':' && name[1] != ':' && strchr(name+2, ':')))
{
tryname = name;
tryrsfp = doopen_pmc(name,PERL_SCRIPT_MODE);
-#ifdef MACOS_TRADITIONAL
/* We consider paths of the form :a:b ambiguous and interpret them first
as global then as local
*/
- if (!tryrsfp && name[0] == ':' && name[1] != ':' && strchr(name+2, ':'))
+ if (!tryrsfp && *name == ':' && name[1] != ':' && strchr(name+2, ':'))
goto trylocal;
}
- else
+ else
trylocal: {
#else
+ if (PERL_FILE_IS_ABSOLUTE(name)
+ || (*name == '.' && (name[1] == '/' ||
+ (name[1] == '.' && name[2] == '/'))))
+ {
+ tryname = name;
+ tryrsfp = doopen_pmc(name,PERL_SCRIPT_MODE);
}
else {
#endif
PUSHs(dirsv);
PUSHs(sv);
PUTBACK;
- count = call_sv(loader, G_ARRAY);
+ if (sv_isobject(loader))
+ count = call_method("INC", G_ARRAY);
+ else
+ count = call_sv(loader, G_ARRAY);
SPAGAIN;
if (count > 0) {
PL_compiling.cop_warnings = pWARN_ALL ;
else if (PL_dowarn & G_WARN_ALL_OFF)
PL_compiling.cop_warnings = pWARN_NONE ;
- else
+ else
PL_compiling.cop_warnings = pWARN_STD ;
+ SAVESPTR(PL_compiling.cop_io);
+ PL_compiling.cop_io = Nullsv;
if (filter_sub || filter_child_proc) {
SV *datasv = filter_add(run_user_filter, Nullsv);
PP(pp_entereval)
{
- djSP;
+ dSP;
register PERL_CONTEXT *cx;
dPOPss;
I32 gimme = GIMME_V, was = PL_sub_generation;
ENTER;
lex_start(sv);
SAVETMPS;
-
+
/* switch to eval mode */
if (PERLDB_NAMEEVAL && CopLINE(PL_curcop)) {
PL_compiling.cop_warnings = newSVsv(PL_curcop->cop_warnings);
SAVEFREESV(PL_compiling.cop_warnings);
}
+ SAVESPTR(PL_compiling.cop_io);
+ if (specialCopIO(PL_curcop->cop_io))
+ PL_compiling.cop_io = PL_curcop->cop_io;
+ else {
+ PL_compiling.cop_io = newSVsv(PL_curcop->cop_io);
+ SAVEFREESV(PL_compiling.cop_io);
+ }
push_return(PL_op->op_next);
PUSHBLOCK(cx, (CXt_EVAL|CXp_REAL), SP);
PP(pp_leaveeval)
{
- djSP;
+ dSP;
register SV **mark;
SV **newsp;
PMOP *newpm;
PP(pp_entertry)
{
- djSP;
+ dSP;
register PERL_CONTEXT *cx;
I32 gimme = GIMME_V;
PP(pp_leavetry)
{
- djSP;
+ dSP;
register SV **mark;
SV **newsp;
PMOP *newpm;
if (len == 0)
Perl_croak(aTHX_ "Null picture in formline");
-
+
New(804, fops, (send - s)*3+10, U16); /* Almost certainly too long... */
fpc = fops;
case ' ': case '\t':
skipspaces++;
continue;
-
+
case '\n': case 0:
arg = s - base;
skipspaces++;
* Research Group at University of California, Berkeley.
*
* See also: "Optimistic Merge Sort" (SODA '92)
- *
+ *
* The integration to Perl is by John P. Linderman <jpl@research.att.com>.
*
* The code can be distributed under the same terms as Perl itself.
static I32
sortcv(pTHXo_ SV *a, SV *b)
{
- dTHR;
I32 oldsaveix = PL_savestack_ix;
I32 oldscopeix = PL_scopestack_ix;
I32 result;
static I32
sortcv_stacked(pTHXo_ SV *a, SV *b)
{
- dTHR;
I32 oldsaveix = PL_savestack_ix;
I32 oldscopeix = PL_scopestack_ix;
I32 result;
}
if (filter_sub && len >= 0) {
- djSP;
+ dSP;
int count;
ENTER;