X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=regcomp.c;h=f461feabd0cc2da1008f0a850295230e48ba8e4f;hb=b09a11114be6edce50b92b1c65da7aba898fd577;hp=c4313ae2fcaa865497874057e4351aa717304d73;hpb=639081d6f95c9b3121be1c0c372070f2e0ca4eaf;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/regcomp.c b/regcomp.c
index c4313ae..f461fea 100644
--- a/regcomp.c
+++ b/regcomp.c
@@ -4417,7 +4417,10 @@ reStudy:
     Zero(r->substrs, 1, struct reg_substr_data);
 
 #ifdef TRIE_STUDY_OPT
-    if ( restudied ) {
+    if (!restudied) {
+        StructCopy(&zero_scan_data, &data, scan_data_t);
+        copyRExC_state = RExC_state;
+    } else {
         U32 seen=RExC_seen;
         DEBUG_OPTIMISE_r(PerlIO_printf(Perl_debug_log,"Restudying\n"));
         
@@ -4432,9 +4435,6 @@ reStudy:
 	    SvREFCNT_dec(data.last_found);
 	}
 	StructCopy(&zero_scan_data, &data, scan_data_t);
-    } else {
-        StructCopy(&zero_scan_data, &data, scan_data_t);
-        copyRExC_state = RExC_state;
     }
 #else
     StructCopy(&zero_scan_data, &data, scan_data_t);
@@ -4985,13 +4985,11 @@ Perl_reg_named_buff_fetch(pTHX_ REGEXP * const r, SV * const namesv,
                 } else {
                     ret = newSVsv(&PL_sv_undef);
                 }
-                if (retarray) {
-                    SvREFCNT_inc_simple_void(ret);
+                if (retarray)
                     av_push(retarray, ret);
-                }
             }
             if (retarray)
-                return newRV((SV*)retarray);
+                return newRV_noinc((SV*)retarray);
         }
     }
     return NULL;
@@ -5042,6 +5040,7 @@ SV*
 Perl_reg_named_buff_nextkey(pTHX_ REGEXP * const r, const U32 flags)
 {
     struct regexp *const rx = (struct regexp *)SvANY(r);
+    GET_RE_DEBUG_FLAGS_DECL;
 
     PERL_ARGS_ASSERT_REG_NAMED_BUFF_NEXTKEY;
 
@@ -5054,7 +5053,7 @@ Perl_reg_named_buff_nextkey(pTHX_ REGEXP * const r, const U32 flags)
             SV* sv_dat = HeVAL(temphe);
             I32 *nums = (I32*)SvPVX(sv_dat);
             for ( i = 0; i < SvIVX(sv_dat); i++ ) {
-                if ((I32)(rx->lastcloseparen) >= nums[i] &&
+                if ((I32)(rx->lastparen) >= nums[i] &&
                     rx->offs[nums[i]].start != -1 &&
                     rx->offs[nums[i]].end != -1)
                 {
@@ -5087,6 +5086,7 @@ Perl_reg_named_buff_scalar(pTHX_ REGEXP * const r, const U32 flags)
             ret = CALLREG_NAMED_BUFF_ALL(r, (flags | RXapif_REGNAMES));
             av = (AV*)SvRV(ret);
             length = av_len(av);
+	    SvREFCNT_dec(ret);
             return newSViv(length + 1);
         } else {
             Perl_croak(aTHX_ "panic: Unknown flags %d in named_buff_scalar", (int)flags);
@@ -5114,7 +5114,7 @@ Perl_reg_named_buff_all(pTHX_ REGEXP * const r, const U32 flags)
             SV* sv_dat = HeVAL(temphe);
             I32 *nums = (I32*)SvPVX(sv_dat);
             for ( i = 0; i < SvIVX(sv_dat); i++ ) {
-                if ((I32)(rx->lastcloseparen) >= nums[i] &&
+                if ((I32)(rx->lastparen) >= nums[i] &&
                     rx->offs[nums[i]].start != -1 &&
                     rx->offs[nums[i]].end != -1)
                 {
@@ -5128,7 +5128,7 @@ Perl_reg_named_buff_all(pTHX_ REGEXP * const r, const U32 flags)
         }
     }
 
-    return newRV((SV*)av);
+    return newRV_noinc((SV*)av);
 }
 
 void
@@ -5668,13 +5668,13 @@ S_reg(pTHX_ RExC_state_t *pRExC_state, I32 paren, I32 *flagp,U32 depth)
                                 pv = (I32*)SvGROW(sv_dat, SvCUR(sv_dat) + sizeof(I32)+1);
                                 SvCUR_set(sv_dat, SvCUR(sv_dat) + sizeof(I32));
                                 pv[count] = RExC_npar;
-                                SvIVX(sv_dat)++;
+                                SvIV_set(sv_dat, SvIVX(sv_dat) + 1);
                             }
                         } else {
                             (void)SvUPGRADE(sv_dat,SVt_PVNV);
                             sv_setpvn(sv_dat, (char *)&(RExC_npar), sizeof(I32));
                             SvIOK_on(sv_dat);
-                            SvIVX(sv_dat)= 1;
+                            SvIV_set(sv_dat, 1);
                         }
 #ifdef DEBUGGING
                         if (!av_store(RExC_paren_name_list, RExC_npar, SvREFCNT_inc(svname)))
@@ -5690,6 +5690,8 @@ S_reg(pTHX_ RExC_state_t *pRExC_state, I32 paren, I32 *flagp,U32 depth)
                 RExC_seen |= REG_SEEN_LOOKBEHIND;
 		RExC_parse++;
 	    case '=':           /* (?=...) */
+		RExC_seen_zerolen++;
+			break;
 	    case '!':           /* (?!...) */
 		RExC_seen_zerolen++;
 	        if (*RExC_parse == ')') {
@@ -9509,8 +9511,8 @@ Perl_regfree_internal(pTHX_ REGEXP * const rx)
 /* 
    re_dup - duplicate a regexp. 
    
-   This routine is expected to clone a given regexp structure. It is not
-   compiler under USE_ITHREADS.
+   This routine is expected to clone a given regexp structure. It is only
+   compiled under USE_ITHREADS.
 
    After all of the core data stored in struct regexp is duplicated
    the regexp_engine.dupe method is used to copy any private data