X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=scope.c;h=58beb732162a0d50e6c9a2c6661be64f4967465f;hb=ea7d701d8a9efe1ba3e2127e0a97460c9f0c134c;hp=7b7682388aecbd8c6096081a35ed1acf271409a2;hpb=7d654f43b92f51303a8d5388d3c3bfb7ebbceb22;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/scope.c b/scope.c
index 7b76823..58beb73 100644
--- a/scope.c
+++ b/scope.c
@@ -226,8 +226,8 @@ Perl_save_generic_pvref(pTHX_ char **str)
 {
     dVAR;
     SSCHECK(3);
-    SSPUSHPTR(str);
     SSPUSHPTR(*str);
+    SSPUSHPTR(str);
     SSPUSHINT(SAVEt_GENERIC_PVREF);
 }
 
@@ -267,9 +267,7 @@ Perl_save_gp(pTHX_ GV *gv, I32 empty)
     SSPUSHINT(SAVEt_GP);
 
     if (empty) {
-	register GP *gp;
-
-	Newxz(gp, 1, GP);
+	GP *gp = Perl_newGP(aTHX_ gv);
 
 	if (GvCVu(gv))
 	    PL_sub_generation++;	/* taking a method out of circulation */
@@ -277,15 +275,7 @@ Perl_save_gp(pTHX_ GV *gv, I32 empty)
 	    gp->gp_io = newIO();
 	    IoFLAGS(gp->gp_io) |= IOf_ARGV|IOf_START;
 	}
-	GvGP(gv) = gp_ref(gp);
-#ifndef PERL_DONT_CREATE_GVSV
-	GvSV(gv) = newSV(0);
-#endif
-	GvLINE(gv) = CopLINE(PL_curcop);
-	/* XXX Ideally this cast would be replaced with a change to const char*
-	   in the struct.  */
-	GvFILE(gv) = CopFILE(PL_curcop) ? CopFILE(PL_curcop) : (char *) "";
-	GvEGV(gv) = gv;
+	GvGP(gv) = gp;
     }
     else {
 	gp_ref(GvGP(gv));
@@ -590,9 +580,7 @@ Perl_save_alloc(pTHX_ I32 size, I32 pad)
 				- (char*)PL_savestack);
     register const I32 elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack));
 
-    /* SSCHECK may not be good enough */
-    while (PL_savestack_ix + elems + 2 > PL_savestack_max)
-	savestack_grow();
+    SSGROW(elems + 2);
 
     PL_savestack_ix += elems;
     SSPUSHINT(elems);
@@ -645,8 +633,8 @@ Perl_leave_scope(pTHX_ I32 base)
 		SvREFCNT_dec(av);
 	    break;
 	case SAVEt_GENERIC_PVREF:		/* generic pv */
-	    str = (char*)SSPOPPTR;
 	    ptr = SSPOPPTR;
+	    str = (char*)SSPOPPTR;
 	    if (*(char**)ptr != str) {
 		Safefree(*(char**)ptr);
 		*(char**)ptr = str;
@@ -847,9 +835,9 @@ Perl_leave_scope(pTHX_ I32 base)
 	    value = (SV*)SSPOPPTR;
 	    i = SSPOPINT;
 	    av = (AV*)SSPOPPTR;
+	    ptr = av_fetch(av,i,1);
 	    if (!AvREAL(av) && AvREIFY(av)) /* undo reify guard */
 		SvREFCNT_dec(value);
-	    ptr = av_fetch(av,i,1);
 	    if (ptr) {
 		sv = *(SV**)ptr;
 		if (sv && sv != &PL_sv_undef) {
@@ -890,11 +878,33 @@ Perl_leave_scope(pTHX_ I32 base)
 		GvHV(PL_hintgv) = NULL;
 	    }
 	    *(I32*)&PL_hints = (I32)SSPOPINT;
+	    Perl_refcounted_he_free(aTHX_ PL_compiling.cop_hints_hash);
+	    PL_compiling.cop_hints_hash = (struct refcounted_he *) SSPOPPTR;
 	    if (PL_hints & HINT_LOCALIZE_HH) {
 		SvREFCNT_dec((SV*)GvHV(PL_hintgv));
 		GvHV(PL_hintgv) = (HV*)SSPOPPTR;
+		assert(GvHV(PL_hintgv));
+	    } else if (!GvHV(PL_hintgv)) {
+		/* Need to add a new one manually, else gv_fetchpv() can
+		   add one in this code:
+		   
+		   if (SvTYPE(gv) == SVt_PVGV) {
+		       if (add) {
+		       GvMULTI_on(gv);
+		       gv_init_sv(gv, sv_type);
+		       if (*name=='!' && sv_type == SVt_PVHV && len==1)
+			   require_errno(gv);
+		       }
+		       return gv;
+		   }
+
+		   and it won't have the magic set.  */
+
+		HV *const hv = newHV();
+		hv_magic(hv, NULL, PERL_MAGIC_hints);
+		GvHV(PL_hintgv) = hv;
 	    }
-		    
+	    assert(GvHV(PL_hintgv));
 	    break;
 	case SAVEt_COMPPAD:
 	    PL_comppad = (PAD*)SSPOPPTR;
@@ -959,6 +969,36 @@ Perl_leave_scope(pTHX_ I32 base)
 	    ptr = SSPOPPTR;
 	    (*SSPOPDPTR)(ptr);
 	    break;
+	case SAVEt_COP_ARYBASE:
+	    ptr = SSPOPPTR;
+	    i = SSPOPINT;
+	    CopARYBASE_set((COP *)ptr, i);
+	    break;
+	case SAVEt_COMPILE_WARNINGS:
+	    ptr = SSPOPPTR;
+
+	    if (!specialWARN(PL_compiling.cop_warnings))
+		PerlMemShared_free(PL_compiling.cop_warnings);
+
+	    PL_compiling.cop_warnings = ptr;
+	    break;
+	case SAVEt_RE_STATE:
+	    {
+		const struct re_save_state *const state
+		    = (struct re_save_state *)
+		    (PL_savestack + PL_savestack_ix
+		     - SAVESTACK_ALLOC_FOR_RE_SAVE_STATE);
+		PL_savestack_ix -= SAVESTACK_ALLOC_FOR_RE_SAVE_STATE;
+
+		if (PL_reg_start_tmp != state->re_state_reg_start_tmp) {
+		    Safefree(PL_reg_start_tmp);
+		}
+		if (PL_reg_poscache != state->re_state_reg_poscache) {
+		    Safefree(PL_reg_poscache);
+		}
+		Copy(state, &PL_reg_state, 1, struct re_save_state);
+	    }
+	    break;
 	default:
 	    Perl_croak(aTHX_ "panic: leave_scope inconsistency");
 	}