X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=pp.c;h=b2aa8e6677d9a02950cce53d922812e34597c128;hb=8c7d55fc02cca4e0edf1324c36f667376289f8d2;hp=43e400bb6e31f6c7582fd552cb2e92a87139b75a;hpb=9c6bc640227cd4fa081b32554378abe794cacfc0;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/pp.c b/pp.c
index 43e400b..b2aa8e6 100644
--- a/pp.c
+++ b/pp.c
@@ -1,7 +1,7 @@
 /*    pp.c
  *
  *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- *    2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
+ *    2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -222,6 +222,50 @@ PP(pp_rv2gv)
     RETURN;
 }
 
+/* Helper function for pp_rv2sv and pp_rv2av  */
+GV *
+Perl_softref2xv(pTHX_ SV *const sv, const char *const what, const U32 type,
+		SV ***spp)
+{
+    dVAR;
+    GV *gv;
+
+    if (PL_op->op_private & HINT_STRICT_REFS) {
+	if (SvOK(sv))
+	    Perl_die(aTHX_ PL_no_symref_sv, sv, what);
+	else
+	    Perl_die(aTHX_ PL_no_usym, what);
+    }
+    if (!SvOK(sv)) {
+	if (PL_op->op_flags & OPf_REF)
+	    Perl_die(aTHX_ PL_no_usym, what);
+	if (ckWARN(WARN_UNINITIALIZED))
+	    report_uninit(sv);
+	if (type != SVt_PV && GIMME_V == G_ARRAY) {
+	    (*spp)--;
+	    return NULL;
+	}
+	**spp = &PL_sv_undef;
+	return NULL;
+    }
+    if ((PL_op->op_flags & OPf_SPECIAL) &&
+	!(PL_op->op_flags & OPf_MOD))
+	{
+	    gv = gv_fetchsv(sv, 0, type);
+	    if (!gv
+		&& (!is_gv_magical_sv(sv,0)
+		    || !(gv = gv_fetchsv(sv, GV_ADD, type))))
+		{
+		    **spp = &PL_sv_undef;
+		    return NULL;
+		}
+	}
+    else {
+	gv = gv_fetchsv(sv, GV_ADD, type);
+    }
+    return gv;
+}
+
 PP(pp_rv2sv)
 {
     dVAR; dSP; dTOPss;
@@ -251,33 +295,9 @@ PP(pp_rv2sv)
 		if (SvROK(sv))
 		    goto wasref;
 	    }
-	    if (PL_op->op_private & HINT_STRICT_REFS) {
-		if (SvOK(sv))
-		    DIE(aTHX_ PL_no_symref_sv, sv, "a SCALAR");
-		else
-		    DIE(aTHX_ PL_no_usym, "a SCALAR");
-	    }
-	    if (!SvOK(sv)) {
-		if (PL_op->op_flags & OPf_REF)
-		    DIE(aTHX_ PL_no_usym, "a SCALAR");
-		if (ckWARN(WARN_UNINITIALIZED))
-		    report_uninit(sv);
-		RETSETUNDEF;
-	    }
-	    if ((PL_op->op_flags & OPf_SPECIAL) &&
-		!(PL_op->op_flags & OPf_MOD))
-	    {
-		gv = (GV*)gv_fetchsv(sv, 0, SVt_PV);
-		if (!gv
-		    && (!is_gv_magical_sv(sv, 0)
-			|| !(gv = (GV*)gv_fetchsv(sv, GV_ADD, SVt_PV))))
-		{
-		    RETSETUNDEF;
-		}
-	    }
-	    else {
-		gv = (GV*)gv_fetchsv(sv, GV_ADD, SVt_PV);
-	    }
+	    gv = Perl_softref2xv(aTHX_ sv, "a SCALAR", SVt_PV, &sp);
+	    if (!gv)
+		RETURN;
 	}
 	sv = GvSVn(gv);
     }
@@ -303,8 +323,7 @@ PP(pp_av2arylen)
     AV * const av = (AV*)TOPs;
     SV ** const sv = Perl_av_arylen_p(aTHX_ (AV*)av);
     if (!*sv) {
-	*sv = newSV(0);
-	sv_upgrade(*sv, SVt_PVMG);
+	*sv = newSV_type(SVt_PVMG);
 	sv_magic(*sv, (SV*)av, PERL_MAGIC_arylen, NULL, 0);
     }
     SETs(*sv);
@@ -558,7 +577,7 @@ PP(pp_bless)
 	if (len == 0 && ckWARN(WARN_MISC))
 	    Perl_warner(aTHX_ packWARN(WARN_MISC),
 		   "Explicit blessing to '' (assuming package main)");
-	stash = gv_stashpvn(ptr, len, TRUE);
+	stash = gv_stashpvn(ptr, len, GV_ADD);
     }
 
     (void)sv_bless(TOPs, stash);
@@ -1518,7 +1537,7 @@ PP(pp_repeat)
 		SvCUR_set(TARG, 0);
 	    else {
 		const STRLEN max = (UV)count * len;
-		if (len > ((MEM_SIZE)~0)/count)
+		if (len > MEM_SIZE_MAX / count)
 		     Perl_croak(aTHX_ oom_string_extend);
 	        MEM_WRAP_CHECK_1(max, char, oom_string_extend);
 		SvGROW(TARG, max + 1);
@@ -3310,6 +3329,8 @@ PP(pp_index)
 PP(pp_sprintf)
 {
     dVAR; dSP; dMARK; dORIGMARK; dTARGET;
+    if (SvTAINTED(MARK[1]))
+	TAINT_PROPER("sprintf");
     do_sprintf(TARG, SP-MARK, MARK+1);
     TAINT_IF(SvTAINTED(TARG));
     SP = ORIGMARK;
@@ -4033,7 +4054,7 @@ PP(pp_hslice)
 
         if (lval) {
             if (!svp || *svp == &PL_sv_undef) {
-                DIE(aTHX_ PL_no_helem_sv, keysv);
+                DIE(aTHX_ PL_no_helem_sv, SVfARG(keysv));
             }
             if (localizing) {
 		if (HvNAME_get(hv) && isGV(*svp))
@@ -4588,7 +4609,11 @@ PP(pp_split)
     base = SP - PL_stack_base;
     orig = s;
     if (pm->op_pmflags & PMf_SKIPWHITE) {
-	if (pm->op_pmflags & PMf_LOCALE) {
+	if (do_utf8) {
+	    while (*s == ' ' || is_utf8_space((U8*)s))
+		s += UTF8SKIP(s);
+	}
+	else if (pm->op_pmflags & PMf_LOCALE) {
 	    while (isSPACE_LC(*s))
 		s++;
 	}
@@ -4606,10 +4631,23 @@ PP(pp_split)
     if (pm->op_pmflags & PMf_WHITE) {
 	while (--limit) {
 	    m = s;
-	    while (m < strend &&
-		   !((pm->op_pmflags & PMf_LOCALE)
-		     ? isSPACE_LC(*m) : isSPACE(*m)))
-		++m;
+	    /* this one uses 'm' and is a negative test */
+	    if (do_utf8) {
+		while (m < strend && !( *m == ' ' || is_utf8_space((U8*)m) )) {
+		    const int t = UTF8SKIP(m);
+		    /* is_utf8_space returns FALSE for malform utf8 */
+		    if (strend - m < t)
+			m = strend;
+		    else
+			m += t;
+		}
+            } else if (pm->op_pmflags & PMf_LOCALE) {
+	        while (m < strend && !isSPACE_LC(*m))
+		    ++m;
+            } else {
+                while (m < strend && !isSPACE(*m))
+                    ++m;
+            }  
 	    if (m >= strend)
 		break;
 
@@ -4620,14 +4658,26 @@ PP(pp_split)
 		(void)SvUTF8_on(dstr);
 	    XPUSHs(dstr);
 
-	    s = m + 1;
-	    while (s < strend &&
-		   ((pm->op_pmflags & PMf_LOCALE)
-		    ? isSPACE_LC(*s) : isSPACE(*s)))
-		++s;
+	    /* skip the whitespace found last */
+	    if (do_utf8)
+		s = m + UTF8SKIP(m);
+	    else
+		s = m + 1;
+
+	    /* this one uses 's' and is a positive test */
+	    if (do_utf8) {
+		while (s < strend && ( *s == ' ' || is_utf8_space((U8*)s) ))
+	            s +=  UTF8SKIP(s);
+            } else if (pm->op_pmflags & PMf_LOCALE) {
+	        while (s < strend && isSPACE_LC(*s))
+		    ++s;
+            } else {
+                while (s < strend && isSPACE(*s))
+                    ++s;
+            } 	    
 	}
     }
-    else if (rx->precomp[0] == '^' && rx->precomp[1] == '\0') {
+    else if (rx->extflags & RXf_START_ONLY) {
 	while (--limit) {
 	    for (m = s; m < strend && *m != '\n'; m++)
 		;
@@ -4643,15 +4693,15 @@ PP(pp_split)
 	    s = m;
 	}
     }
-    else if (do_utf8 == ((rx->reganch & ROPT_UTF8) != 0) &&
-	     (rx->reganch & RE_USE_INTUIT) && !rx->nparens
-	     && (rx->reganch & ROPT_CHECK_ALL)
-	     && !(rx->reganch & ROPT_ANCH)) {
-	const int tail = (rx->reganch & RE_INTUIT_TAIL);
+    else if (do_utf8 == ((rx->extflags & RXf_UTF8) != 0) &&
+	     (rx->extflags & RXf_USE_INTUIT) && !rx->nparens
+	     && (rx->extflags & RXf_CHECK_ALL)
+	     && !(rx->extflags & RXf_ANCH)) {
+	const int tail = (rx->extflags & RXf_INTUIT_TAIL);
 	SV * const csv = CALLREG_INTUIT_STRING(rx);
 
-	len = rx->minlen;
-	if (len == 1 && !(rx->reganch & ROPT_UTF8) && !tail) {
+	len = rx->minlenret;
+	if (len == 1 && !(rx->extflags & RXf_UTF8) && !tail) {
 	    const char c = *SvPV_nolen_const(csv);
 	    while (--limit) {
 		for (m = s; m < strend && *m != c; m++)
@@ -4711,7 +4761,7 @@ PP(pp_split)
 		s = orig + (m - s);
 		strend = s + (strend - m);
 	    }
-	    m = rx->startp[0] + orig;
+	    m = rx->offs[0].start + orig;
 	    dstr = newSVpvn(s, m-s);
 	    if (make_mortal)
 		sv_2mortal(dstr);
@@ -4721,8 +4771,8 @@ PP(pp_split)
 	    if (rx->nparens) {
 		I32 i;
 		for (i = 1; i <= (I32)rx->nparens; i++) {
-		    s = rx->startp[i] + orig;
-		    m = rx->endp[i] + orig;
+		    s = rx->offs[i].start + orig;
+		    m = rx->offs[i].end + orig;
 
 		    /* japhy (07/27/01) -- the (m && s) test doesn't catch
 		       parens that didn't match -- they should be set to
@@ -4739,7 +4789,7 @@ PP(pp_split)
 		    XPUSHs(dstr);
 		}
 	    }
-	    s = rx->endp[0] + orig;
+	    s = rx->offs[0].end + orig;
 	}
     }