return;
}
+static void
+S_pvgv_assign(pTHX_ SV *dstr, SV *sstr) {
+ SV * const sref = SvREFCNT_inc(SvRV(sstr));
+ SV *dref = NULL;
+ const int intro = GvINTRO(dstr);
+
+#ifdef GV_UNIQUE_CHECK
+ if (GvUNIQUE((GV*)dstr)) {
+ Perl_croak(aTHX_ PL_no_modify);
+ }
+#endif
+
+ if (intro) {
+ GvINTRO_off(dstr); /* one-shot flag */
+ GvLINE(dstr) = CopLINE(PL_curcop);
+ GvEGV(dstr) = (GV*)dstr;
+ }
+ GvMULTI_on(dstr);
+ switch (SvTYPE(sref)) {
+ case SVt_PVAV:
+ if (intro)
+ SAVEGENERICSV(GvAV(dstr));
+ else
+ dref = (SV*)GvAV(dstr);
+ GvAV(dstr) = (AV*)sref;
+ if (!GvIMPORTED_AV(dstr)
+ && CopSTASH_ne(PL_curcop, GvSTASH(dstr)))
+ {
+ GvIMPORTED_AV_on(dstr);
+ }
+ break;
+ case SVt_PVHV:
+ if (intro)
+ SAVEGENERICSV(GvHV(dstr));
+ else
+ dref = (SV*)GvHV(dstr);
+ GvHV(dstr) = (HV*)sref;
+ if (!GvIMPORTED_HV(dstr)
+ && CopSTASH_ne(PL_curcop, GvSTASH(dstr)))
+ {
+ GvIMPORTED_HV_on(dstr);
+ }
+ break;
+ case SVt_PVCV:
+ if (intro) {
+ if (GvCVGEN(dstr) && GvCV(dstr) != (CV*)sref) {
+ SvREFCNT_dec(GvCV(dstr));
+ GvCV(dstr) = Nullcv;
+ GvCVGEN(dstr) = 0; /* Switch off cacheness. */
+ PL_sub_generation++;
+ }
+ SAVEGENERICSV(GvCV(dstr));
+ }
+ else
+ dref = (SV*)GvCV(dstr);
+ if (GvCV(dstr) != (CV*)sref) {
+ CV* const cv = GvCV(dstr);
+ if (cv) {
+ if (!GvCVGEN((GV*)dstr) &&
+ (CvROOT(cv) || CvXSUB(cv)))
+ {
+ /* Redefining a sub - warning is mandatory if
+ it was a const and its value changed. */
+ if (CvCONST(cv) && CvCONST((CV*)sref)
+ && cv_const_sv(cv) == cv_const_sv((CV*)sref)) {
+ /* They are 2 constant subroutines generated from
+ the same constant. This probably means that
+ they are really the "same" proxy subroutine
+ instantiated in 2 places. Most likely this is
+ when a constant is exported twice. Don't warn.
+ */
+ }
+ else if (ckWARN(WARN_REDEFINE)
+ || (CvCONST(cv)
+ && (!CvCONST((CV*)sref)
+ || sv_cmp(cv_const_sv(cv),
+ cv_const_sv((CV*)sref))))) {
+ Perl_warner(aTHX_ packWARN(WARN_REDEFINE),
+ CvCONST(cv)
+ ? "Constant subroutine %s::%s redefined"
+ : "Subroutine %s::%s redefined",
+ HvNAME_get(GvSTASH((GV*)dstr)),
+ GvENAME((GV*)dstr));
+ }
+ }
+ if (!intro)
+ cv_ckproto(cv, (GV*)dstr,
+ SvPOK(sref) ? SvPVX_const(sref) : Nullch);
+ }
+ GvCV(dstr) = (CV*)sref;
+ GvCVGEN(dstr) = 0; /* Switch off cacheness. */
+ GvASSUMECV_on(dstr);
+ PL_sub_generation++;
+ }
+ if (!GvIMPORTED_CV(dstr) && CopSTASH_ne(PL_curcop, GvSTASH(dstr))) {
+ GvIMPORTED_CV_on(dstr);
+ }
+ break;
+ case SVt_PVIO:
+ if (intro)
+ SAVEGENERICSV(GvIOp(dstr));
+ else
+ dref = (SV*)GvIOp(dstr);
+ GvIOp(dstr) = (IO*)sref;
+ break;
+ case SVt_PVFM:
+ if (intro)
+ SAVEGENERICSV(GvFORM(dstr));
+ else
+ dref = (SV*)GvFORM(dstr);
+ GvFORM(dstr) = (CV*)sref;
+ break;
+ default:
+ if (intro)
+ SAVEGENERICSV(GvSV(dstr));
+ else
+ dref = (SV*)GvSV(dstr);
+ GvSV(dstr) = sref;
+ if (!GvIMPORTED_SV(dstr) && CopSTASH_ne(PL_curcop, GvSTASH(dstr))) {
+ GvIMPORTED_SV_on(dstr);
+ }
+ break;
+ }
+ if (dref)
+ SvREFCNT_dec(dref);
+ if (SvTAINTED(sstr))
+ SvTAINT(dstr);
+ return;
+}
+
void
Perl_sv_setsv_flags(pTHX_ SV *dstr, register SV *sstr, I32 flags)
{
if (sflags & SVf_ROK) {
if (dtype >= SVt_PV) {
- if (dtype == SVt_PVGV) {
- SV * const sref = SvREFCNT_inc(SvRV(sstr));
- SV *dref = NULL;
- const int intro = GvINTRO(dstr);
-
-#ifdef GV_UNIQUE_CHECK
- if (GvUNIQUE((GV*)dstr)) {
- Perl_croak(aTHX_ PL_no_modify);
- }
-#endif
-
- if (intro) {
- GvINTRO_off(dstr); /* one-shot flag */
- GvLINE(dstr) = CopLINE(PL_curcop);
- GvEGV(dstr) = (GV*)dstr;
- }
- GvMULTI_on(dstr);
- switch (SvTYPE(sref)) {
- case SVt_PVAV:
- if (intro)
- SAVEGENERICSV(GvAV(dstr));
- else
- dref = (SV*)GvAV(dstr);
- GvAV(dstr) = (AV*)sref;
- if (!GvIMPORTED_AV(dstr)
- && CopSTASH_ne(PL_curcop, GvSTASH(dstr)))
- {
- GvIMPORTED_AV_on(dstr);
- }
- break;
- case SVt_PVHV:
- if (intro)
- SAVEGENERICSV(GvHV(dstr));
- else
- dref = (SV*)GvHV(dstr);
- GvHV(dstr) = (HV*)sref;
- if (!GvIMPORTED_HV(dstr)
- && CopSTASH_ne(PL_curcop, GvSTASH(dstr)))
- {
- GvIMPORTED_HV_on(dstr);
- }
- break;
- case SVt_PVCV:
- if (intro) {
- if (GvCVGEN(dstr) && GvCV(dstr) != (CV*)sref) {
- SvREFCNT_dec(GvCV(dstr));
- GvCV(dstr) = Nullcv;
- GvCVGEN(dstr) = 0; /* Switch off cacheness. */
- PL_sub_generation++;
- }
- SAVEGENERICSV(GvCV(dstr));
- }
- else
- dref = (SV*)GvCV(dstr);
- if (GvCV(dstr) != (CV*)sref) {
- CV* const cv = GvCV(dstr);
- if (cv) {
- if (!GvCVGEN((GV*)dstr) &&
- (CvROOT(cv) || CvXSUB(cv)))
- {
- /* Redefining a sub - warning is mandatory if
- it was a const and its value changed. */
- if (CvCONST(cv) && CvCONST((CV*)sref)
- && cv_const_sv(cv)
- == cv_const_sv((CV*)sref)) {
- /* They are 2 constant subroutines
- generated from the same constant.
- This probably means that they are
- really the "same" proxy subroutine
- instantiated in 2 places. Most likely
- this is when a constant is exported
- twice. Don't warn. */
- }
- else if (ckWARN(WARN_REDEFINE)
- || (CvCONST(cv)
- && (!CvCONST((CV*)sref)
- || sv_cmp(cv_const_sv(cv),
- cv_const_sv((CV*)sref)))))
- {
- Perl_warner(aTHX_ packWARN(WARN_REDEFINE),
- CvCONST(cv)
- ? "Constant subroutine %s::%s redefined"
- : "Subroutine %s::%s redefined",
- HvNAME_get(GvSTASH((GV*)dstr)),
- GvENAME((GV*)dstr));
- }
- }
- if (!intro)
- cv_ckproto(cv, (GV*)dstr,
- SvPOK(sref)
- ? SvPVX_const(sref) : Nullch);
- }
- GvCV(dstr) = (CV*)sref;
- GvCVGEN(dstr) = 0; /* Switch off cacheness. */
- GvASSUMECV_on(dstr);
- PL_sub_generation++;
- }
- if (!GvIMPORTED_CV(dstr)
- && CopSTASH_ne(PL_curcop, GvSTASH(dstr)))
- {
- GvIMPORTED_CV_on(dstr);
- }
- break;
- case SVt_PVIO:
- if (intro)
- SAVEGENERICSV(GvIOp(dstr));
- else
- dref = (SV*)GvIOp(dstr);
- GvIOp(dstr) = (IO*)sref;
- break;
- case SVt_PVFM:
- if (intro)
- SAVEGENERICSV(GvFORM(dstr));
- else
- dref = (SV*)GvFORM(dstr);
- GvFORM(dstr) = (CV*)sref;
- break;
- default:
- if (intro)
- SAVEGENERICSV(GvSV(dstr));
- else
- dref = (SV*)GvSV(dstr);
- GvSV(dstr) = sref;
- if (!GvIMPORTED_SV(dstr)
- && CopSTASH_ne(PL_curcop, GvSTASH(dstr)))
- {
- GvIMPORTED_SV_on(dstr);
- }
- break;
- }
- if (dref)
- SvREFCNT_dec(dref);
- if (SvTAINTED(sstr))
- SvTAINT(dstr);
- return;
- }
+ if (dtype == SVt_PVGV)
+ return S_pvgv_assign(aTHX_ dstr, sstr);
if (SvPVX_const(dstr)) {
SvPV_free(dstr);
SvLEN_set(dstr, 0);
projects / p5sagit/p5-mst-13.2.git / commitdiff