# define newSV_type(T) su_newSV_type(aTHX_ (T))
#endif
+#ifdef newSVpvn_flags
+# define su_newmortal_pvn(S, L) newSVpvn_flags((S), (L), SVs_TEMP)
+#else
+# define su_newmortal_pvn(S, L) sv_2mortal(newSVpvn((S), (L)))
+#endif
+#define su_newmortal_pvs(S) su_newmortal_pvn((S), sizeof(S)-1)
+
#ifndef SvPV_const
# define SvPV_const(S, L) SvPV(S, L)
#endif
# define CxHASARGS(C) ((C)->blk_sub.hasargs)
#endif
+#ifndef CxGIMME
+# ifdef G_WANT
+# define CxGIMME(C) ((C)->blk_gimme & G_WANT)
+# else
+# define CxGIMME(C) ((C)->blk_gimme)
+# endif
+#endif
+
+#ifndef CxOLD_OP_TYPE
+# define CxOLD_OP_TYPE(C) (C)->blk_eval.old_op_type
+#endif
+
+#ifndef OutCopFILE
+# define OutCopFILE(C) CopFILE(C)
+#endif
+
+#ifndef OutCopFILE_len
+# define OutCopFILE_len(C) strlen(OutCopFILE(C))
+#endif
+
+#ifndef CopHINTS_get
+# define CopHINTS_get(C) ((I32) (C)->op_private & HINT_PRIVATE_MASK)
+#endif
+
+#ifndef CopHINTHASH_get
+# define CopHINTHASH_get(C) (C)->cop_hints_hash
+#endif
+
+#ifndef cophh_2hv
+# define COPHH struct refcounted_he
+# define cophh_2hv(H, F) Perl_refcounted_he_chain_2hv(aTHX_ (H))
+#endif
+
#ifndef HvNAME_get
# define HvNAME_get(H) HvNAME(H)
#endif
+#ifndef HvNAMELEN
+# define HvNAMELEN(H) strlen(HvNAME(H))
+#endif
+
#ifndef gv_fetchpvn_flags
# define gv_fetchpvn_flags(A, B, C, D) gv_fetchpv((A), (C), (D))
#endif
+#ifndef hv_fetchs
+# define hv_fetchs(H, K, L) hv_fetch((H), (K), sizeof(K)-1, (L))
+#endif
+
#ifndef OP_GIMME_REVERSE
STATIC U8 su_op_gimme_reverse(U8 gimme) {
switch (gimme) {
#define OP_GIMME_REVERSE(G) su_op_gimme_reverse(G)
#endif
+#ifndef OP_SIBLING
+# define OP_SIBLING(O) ((O)->op_sibling)
+#endif
+
#ifndef PERL_MAGIC_tied
# define PERL_MAGIC_tied 'P'
#endif
PERL_UNUSED_VAR(ud_);
PL_stack_sp = MY_CXT.unwind_storage.savesp;
+#if SU_HAS_PERL(5, 19, 4)
+ {
+ I32 i;
+ SV **sp = PL_stack_sp;
+ for (i = -items + 1; i <= 0; ++i)
+ if (!SvTEMP(sp[i]))
+ sv_2mortal(SvREFCNT_inc(sp[i]));
+ }
+#endif
if (cxstack_ix > cxix)
dounwind(cxix);
STATIC void su_yield(pTHX_ void *ud_) {
dMY_CXT;
PERL_CONTEXT *cx;
+ const char *which = ud_;
I32 cxix = MY_CXT.yield_storage.cxix;
I32 items = MY_CXT.yield_storage.items;
opcode type = OP_NULL;
break;
#endif
case CXt_SUBST:
- croak("yield() cannot target a substitution context");
+ croak("%s() can't target a substitution context", which);
break;
default:
- croak("yield() don't know how to leave a %s context", SU_CXNAME(cxstack + cxix));
+ croak("%s() doesn't know how to leave a %s context",
+ which, SU_CXNAME(cxstack + cxix));
break;
}
PL_stack_sp = MY_CXT.yield_storage.savesp;
+#if SU_HAS_PERL(5, 19, 4)
+ {
+ I32 i;
+ SV **sp = PL_stack_sp;
+ for (i = -items + 1; i <= 0; ++i)
+ if (!SvTEMP(sp[i]))
+ sv_2mortal(SvREFCNT_inc(sp[i]));
+ }
+#endif
if (cxstack_ix > cxix)
dounwind(cxix);
}
STATIC int su_uplevel_goto_static(const OP *o) {
- for (; o; o = o->op_sibling) {
+ for (; o; o = OP_SIBLING(o)) {
/* goto ops are unops with kids. */
if (!(o->op_flags & OPf_KIDS))
continue;
#endif
CvGV_set(cv, gv);
+#if SU_RELEASE && SU_HAS_PERL_EXACT(5, 21, 4)
+ CvNAMED_off(cv);
+#endif
CvSTASH_set(cv, CvSTASH(proto));
/* Commit 4c74a7df, publicized with perl 5.13.3, began to add backrefs to
* stashes. CvSTASH_set() started to do it as well with commit c68d95645
PERL_CONTEXT *cx = cxstack + i;
switch (CxTYPE(cx)) {
+#if SU_HAS_PERL(5, 17, 1)
+ case CXt_LOOP_PLAIN:
+#endif
case CXt_BLOCK:
if (cx->blk_oldcop && CopSTASH(cx->blk_oldcop) == GvSTASH(PL_DBgv))
continue;
return cxix - 1;
break;
case CXt_SUBST:
- if (cx->blk_oldcop && cx->blk_oldcop->op_sibling
- && cx->blk_oldcop->op_sibling->op_type == OP_SUBST)
+ if (cx->blk_oldcop && OP_SIBLING(cx->blk_oldcop)
+ && OP_SIBLING(cx->blk_oldcop)->op_type == OP_SUBST)
return cxix - 1;
break;
}
return cxix + 1;
break;
case CXt_SUBST:
- if (next->blk_oldcop && next->blk_oldcop->op_sibling
- && next->blk_oldcop->op_sibling->op_type == OP_SUBST)
+ if (next->blk_oldcop && OP_SIBLING(next->blk_oldcop)
+ && OP_SIBLING(next->blk_oldcop)->op_type == OP_SUBST)
return cxix + 1;
break;
}
#define su_context_here() su_context_normalize_up(su_context_skip_db(cxstack_ix))
+STATIC I32 su_context_gimme(pTHX_ I32 cxix) {
+#define su_context_gimme(C) su_context_gimme(aTHX_ (C))
+ I32 i;
+
+ for (i = cxix; i >= 0; --i) {
+ PERL_CONTEXT *cx = cxstack + i;
+
+ switch (CxTYPE(cx)) {
+ /* gimme is always G_ARRAY for loop contexts. */
+#if SU_HAS_PERL(5, 11, 0)
+ case CXt_LOOP_FOR:
+ case CXt_LOOP_PLAIN:
+ case CXt_LOOP_LAZYSV:
+ case CXt_LOOP_LAZYIV:
+#else
+ case CXt_LOOP:
+#endif
+ case CXt_SUBST: {
+ const COP *cop = cx->blk_oldcop;
+ if (cop && OP_SIBLING(cop)) {
+ switch (OP_SIBLING(cop)->op_flags & OPf_WANT) {
+ case OPf_WANT_VOID:
+ return G_VOID;
+ case OPf_WANT_SCALAR:
+ return G_SCALAR;
+ case OPf_WANT_LIST:
+ return G_ARRAY;
+ default:
+ break;
+ }
+ }
+ break;
+ }
+ default:
+ return CxGIMME(cx);
+ break;
+ }
+ }
+
+ return G_VOID;
+}
+
/* --- Interpreter setup/teardown ------------------------------------------ */
STATIC void su_teardown(pTHX_ void *param) {
} \
} STMT_END
+#if SU_HAS_PERL(5, 10, 0)
+# define SU_INFO_COUNT 11
+#else
+# define SU_INFO_COUNT 10
+#endif
+
XS(XS_Scope__Upper_unwind); /* prototype to pass -Wmissing-prototypes */
XS(XS_Scope__Upper_unwind) {
croak("Can't return outside a subroutine");
}
+STATIC const char su_yield_name[] = "yield";
+
XS(XS_Scope__Upper_yield); /* prototype to pass -Wmissing-prototypes */
XS(XS_Scope__Upper_yield) {
/* See XS_Scope__Upper_unwind */
if (GIMME_V == G_SCALAR)
PL_stack_sp = PL_stack_base + PL_markstack_ptr[1] + 1;
- SAVEDESTRUCTOR_X(su_yield, NULL);
+ SAVEDESTRUCTOR_X(su_yield, su_yield_name);
+ return;
+}
+
+STATIC const char su_leave_name[] = "leave";
+
+XS(XS_Scope__Upper_leave); /* prototype to pass -Wmissing-prototypes */
+
+XS(XS_Scope__Upper_leave) {
+#ifdef dVAR
+ dVAR; dXSARGS;
+#else
+ dXSARGS;
+#endif
+ dMY_CXT;
+ I32 cxix;
+
+ PERL_UNUSED_VAR(cv); /* -W */
+ PERL_UNUSED_VAR(ax); /* -Wall */
+
+ MY_CXT.yield_storage.cxix = su_context_here();
+ MY_CXT.yield_storage.items = items;
+ MY_CXT.yield_storage.savesp = PL_stack_sp;
+ /* See XS_Scope__Upper_unwind */
+ if (GIMME_V == G_SCALAR)
+ PL_stack_sp = PL_stack_base + PL_markstack_ptr[1] + 1;
+ SAVEDESTRUCTOR_X(su_yield, su_leave_name);
return;
}
newXSproto("Scope::Upper::unwind", XS_Scope__Upper_unwind, file, NULL);
newXSproto("Scope::Upper::yield", XS_Scope__Upper_yield, file, NULL);
+ newXSproto("Scope::Upper::leave", XS_Scope__Upper_leave, file, NULL);
su_setup();
}
}
XSRETURN_UNDEF;
+void
+context_info(...)
+PROTOTYPE: ;$
+PREINIT:
+ I32 cxix;
+ const PERL_CONTEXT *cx, *dbcx;
+ COP *cop;
+PPCODE:
+ SU_GET_CONTEXT(0, 0, su_context_skip_db(cxstack_ix));
+ cxix = su_context_normalize_up(cxix);
+ cx = cxstack + cxix;
+ dbcx = cx;
+ if (PL_DBsub && cxix && (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT)) {
+ I32 i = su_context_skip_db(cxix - 1) + 1;
+ if (i < cxix && CxTYPE(cxstack + i) == CXt_SUB)
+ cx = cxstack + i;
+ }
+ cop = cx->blk_oldcop;
+ EXTEND(SP, SU_INFO_COUNT);
+ /* stash (0) */
+ {
+ HV *stash = CopSTASH(cop);
+ if (stash)
+ PUSHs(su_newmortal_pvn(HvNAME(stash), HvNAMELEN(stash)));
+ else
+ PUSHs(&PL_sv_undef);
+ }
+ /* file (1) */
+ PUSHs(su_newmortal_pvn(OutCopFILE(cop), OutCopFILE_len(cop)));
+ /* line (2) */
+ mPUSHi(CopLINE(cop));
+ /* subroutine (3) and has_args (4) */
+ switch (CxTYPE(cx)) {
+ case CXt_SUB:
+ case CXt_FORMAT: {
+ GV *cvgv = CvGV(dbcx->blk_sub.cv);
+ if (cvgv && isGV(cvgv)) {
+ SV *sv = sv_newmortal();
+ gv_efullname3(sv, cvgv, NULL);
+ PUSHs(sv);
+ } else {
+ PUSHs(su_newmortal_pvs("(unknown)"));
+ }
+ if (CxHASARGS(cx))
+ PUSHs(&PL_sv_yes);
+ else
+ PUSHs(&PL_sv_no);
+ break;
+ }
+ case CXt_EVAL:
+ PUSHs(su_newmortal_pvs("(eval)"));
+ mPUSHi(0);
+ break;
+ default:
+ PUSHs(&PL_sv_undef);
+ PUSHs(&PL_sv_undef);
+ }
+ /* gimme (5) */
+ switch (su_context_gimme(cxix)) {
+ case G_ARRAY:
+ PUSHs(&PL_sv_yes);
+ break;
+ case G_SCALAR:
+ PUSHs(&PL_sv_no);
+ break;
+ default: /* G_VOID */
+ PUSHs(&PL_sv_undef);
+ break;
+ }
+ /* eval text (6) and is_require (7) */
+ switch (CxTYPE(cx)) {
+ case CXt_EVAL:
+ if (CxOLD_OP_TYPE(cx) == OP_ENTEREVAL) {
+ /* eval STRING */
+#if SU_HAS_PERL(5, 17, 4)
+ PUSHs(newSVpvn_flags(SvPVX(cx->blk_eval.cur_text),
+ SvCUR(cx->blk_eval.cur_text)-2,
+ SvUTF8(cx->blk_eval.cur_text)|SVs_TEMP));
+#else
+ PUSHs(cx->blk_eval.cur_text);
+#endif
+ PUSHs(&PL_sv_no);
+ break;
+ } else if (cx->blk_eval.old_namesv) {
+ /* require */
+ PUSHs(sv_mortalcopy(cx->blk_eval.old_namesv));
+ PUSHs(&PL_sv_yes);
+ break;
+ }
+ /* FALLTHROUGH */
+ default:
+ /* Anything else including eval BLOCK */
+ PUSHs(&PL_sv_undef);
+ PUSHs(&PL_sv_undef);
+ break;
+ }
+ /* hints (8) */
+ mPUSHi(CopHINTS_get(cop));
+ /* warnings (9) */
+ {
+ SV *mask = NULL;
+#if SU_HAS_PERL(5, 9, 4)
+ STRLEN *old_warnings = cop->cop_warnings;
+#else
+ SV *old_warnings = cop->cop_warnings;
+#endif
+ if (old_warnings == pWARN_STD) {
+ if (PL_dowarn & G_WARN_ON)
+ goto context_info_warnings_on;
+ else
+#if SU_HAS_PERL(5, 17, 4)
+ mask = &PL_sv_undef;
+#else
+ goto context_info_warnings_off;
+#endif
+ } else if (old_warnings == pWARN_NONE) {
+context_info_warnings_off:
+ mask = su_newmortal_pvn(WARN_NONEstring, WARNsize);
+ } else if (old_warnings == pWARN_ALL) {
+ HV *bits;
+context_info_warnings_on:
+#if SU_HAS_PERL(5, 8, 7)
+ bits = get_hv("warnings::Bits", 0);
+ if (bits) {
+ SV **bits_all = hv_fetchs(bits, "all", FALSE);
+ if (bits_all)
+ mask = sv_mortalcopy(*bits_all);
+ }
+#endif
+ if (!mask)
+ mask = su_newmortal_pvn(WARN_ALLstring, WARNsize);
+ } else {
+#if SU_HAS_PERL(5, 9, 4)
+ mask = su_newmortal_pvn((char *) (old_warnings + 1), old_warnings[0]);
+#else
+ mask = sv_mortalcopy(old_warnings);
+#endif
+ }
+ PUSHs(mask);
+ }
+#if SU_HAS_PERL(5, 10, 0)
+ /* hints hash (10) */
+ {
+ COPHH *hints_hash = CopHINTHASH_get(cop);
+ if (hints_hash) {
+ SV *rhv = sv_2mortal(newRV_noinc((SV *) cophh_2hv(hints_hash, 0)));
+ PUSHs(rhv);
+ } else {
+ PUSHs(&PL_sv_undef);
+ }
+ }
+#endif
+ XSRETURN(SU_INFO_COUNT);
+
void
reap(SV *hook, ...)
PROTOTYPE: &;$