Re: [patch] re_dup

[p5sagit/p5-mst-13.2.git] / op.c

diff --git a/op.c b/op.c
index 90e86e0..98239d9 100644 (file)
--- a/op.c
+++ b/op.c
@@ -842,12 +842,12 @@ clear_pmop:
                    lastpmop = pmop;
                    pmop = pmop->op_pmnext;
                }
+           }
 #ifdef USE_ITHREADS
-               Safefree(PmopSTASHPV(cPMOPo));
+           Safefree(PmopSTASHPV(cPMOPo));
 #else
-               /* NOTE: PMOP.op_pmstash is not refcounted */
+           /* NOTE: PMOP.op_pmstash is not refcounted */
 #endif
-           }
        }
        cPMOPo->op_pmreplroot = Nullop;
        ReREFCNT_dec(PM_GETRE(cPMOPo));
@@ -2035,9 +2035,15 @@ Perl_bind_match(pTHX_ I32 type, OP *left, OP *right)
        right->op_type == OP_SUBST ||
        right->op_type == OP_TRANS)) {
        right->op_flags |= OPf_STACKED;
-       if (right->op_type != OP_MATCH &&
-            ! (right->op_type == OP_TRANS &&
-               right->op_private & OPpTRANS_IDENTICAL))
+       if ((right->op_type != OP_MATCH &&
+            ! (right->op_type == OP_TRANS &&
+               right->op_private & OPpTRANS_IDENTICAL)) ||
+           /* if SV has magic, then match on original SV, not on its copy.
+              see note in pp_helem() */
+           (right->op_type == OP_MATCH &&      
+            (left->op_type == OP_AELEM ||
+             left->op_type == OP_HELEM ||
+             left->op_type == OP_AELEMFAST)))
            left = mod(left, right->op_type);
        if (right->op_type == OP_TRANS)
            o = newBINOP(OP_NULL, OPf_STACKED, scalar(left), right);
@@ -2942,7 +2948,16 @@ Perl_newPMOP(pTHX_ I32 type, I32 flags)
        pmop->op_pmpermflags |= PMf_LOCALE;
     pmop->op_pmflags = pmop->op_pmpermflags;
 
-    /* link into pm list */
+ #ifdef USE_ITHREADS
+        {
+                SV* repointer = newSViv(0);
+                av_push(PL_regex_padav,SvREFCNT_inc(repointer));
+                pmop->op_pmoffset = av_len(PL_regex_padav);
+                PL_regex_pad = AvARRAY(PL_regex_padav);
+        }
+ #endif
+        
+        /* link into pm list */
     if (type != OP_TRANS && PL_curstash) {
        pmop->op_pmnext = HvPMROOT(PL_curstash);
        HvPMROOT(PL_curstash) = pmop;
@@ -3187,6 +3202,7 @@ Perl_package(pTHX_ OP *o)
        op_free(o);
     }
     else {
+       deprecate("\"package\" with no arguments");
        sv_setpv(PL_curstname,"<none>");
        PL_curstash = Nullhv;
     }
@@ -4154,9 +4170,10 @@ Perl_cv_undef(pTHX_ CV *cv)
 
 #ifdef USE_ITHREADS
     if (CvFILE(cv) && !CvXSUB(cv)) {
+       /* for XSUBs CvFILE point directly to static memory; __FILE__ */
        Safefree(CvFILE(cv));
-       CvFILE(cv) = 0;
     }
+    CvFILE(cv) = 0;
 #endif
 
     if (!CvXSUB(cv) && CvROOT(cv)) {
@@ -4598,9 +4615,9 @@ Perl_newATTRSUB(pTHX_ I32 floor, OP *o, OP *proto, OP *attrs, OP *block)
 
     cv = (!name || GvCVGEN(gv)) ? Nullcv : GvCV(gv);
 
-#ifdef GV_SHARED_CHECK
-    if (cv && GvSHARED(gv) && SvREADONLY(cv)) {
-        Perl_croak(aTHX_ "Can't define subroutine %s (GV is shared)", name);
+#ifdef GV_UNIQUE_CHECK
+    if (cv && GvUNIQUE(gv) && SvREADONLY(cv)) {
+        Perl_croak(aTHX_ "Can't define subroutine %s (GV is unique)", name);
     }
 #endif
 
@@ -4612,9 +4629,9 @@ Perl_newATTRSUB(pTHX_ I32 floor, OP *o, OP *proto, OP *attrs, OP *block)
     if (cv) {
         bool exists = CvROOT(cv) || CvXSUB(cv);
 
-#ifdef GV_SHARED_CHECK
-        if (exists && GvSHARED(gv)) {
-            Perl_croak(aTHX_ "Can't redefine shared subroutine %s", name);
+#ifdef GV_UNIQUE_CHECK
+        if (exists && GvUNIQUE(gv)) {
+            Perl_croak(aTHX_ "Can't redefine unique subroutine %s", name);
         }
 #endif
 
@@ -5102,9 +5119,9 @@ Perl_newFORM(pTHX_ I32 floor, OP *o, OP *block)
     else
        name = "STDOUT";
     gv = gv_fetchpv(name,TRUE, SVt_PVFM);
-#ifdef GV_SHARED_CHECK
-    if (GvSHARED(gv)) {
-        Perl_croak(aTHX_ "Bad symbol for form (GV is shared)");
+#ifdef GV_UNIQUE_CHECK
+    if (GvUNIQUE(gv)) {
+        Perl_croak(aTHX_ "Bad symbol for form (GV is unique)");
     }
 #endif
     GvMULTI_on(gv);
@@ -6901,9 +6918,9 @@ Perl_peep(pTHX_ register OP *o)
            svp = cSVOPx_svp(((BINOP*)o)->op_last);
            if ((!SvFAKE(sv = *svp) || !SvREADONLY(sv)) && !IS_PADCONST(sv)) {
                key = SvPV(sv, keylen);
-               if (SvUTF8(sv))
-                 keylen = -keylen;
-               lexname = newSVpvn_share(key, keylen, 0);
+               lexname = newSVpvn_share(key,
+                                        SvUTF8(sv) ? -(I32)keylen : keylen,
+                                        0);
                SvREFCNT_dec(sv);
                *svp = lexname;
            }
@@ -6921,9 +6938,8 @@ Perl_peep(pTHX_ register OP *o)
            if (!fields || !GvHV(*fields))
                break;
            key = SvPV(*svp, keylen);
-           if (SvUTF8(*svp))
-               keylen = -keylen;
-           indsvp = hv_fetch(GvHV(*fields), key, keylen, FALSE);
+           indsvp = hv_fetch(GvHV(*fields), key,
+                             SvUTF8(*svp) ? -(I32)keylen : keylen, FALSE);
            if (!indsvp) {
                Perl_croak(aTHX_ "No such pseudo-hash field \"%s\" in variable %s of type %s",
                      key, SvPV(lexname, n_a), HvNAME(SvSTASH(lexname)));
@@ -6988,9 +7004,8 @@ Perl_peep(pTHX_ register OP *o)
                 key_op = (SVOP*)key_op->op_sibling) {
                svp = cSVOPx_svp(key_op);
                key = SvPV(*svp, keylen);
-               if (SvUTF8(*svp))
-                   keylen = -keylen;
-               indsvp = hv_fetch(GvHV(*fields), key, keylen, FALSE);
+               indsvp = hv_fetch(GvHV(*fields), key,
+                                 SvUTF8(*svp) ? -(I32)keylen : keylen, FALSE);
                if (!indsvp) {
                    Perl_croak(aTHX_ "No such pseudo-hash field \"%s\" "
                               "in variable %s of type %s",