#endif
#ifndef newSV_type
-STATIC SV *su_newSV_type(pTHX_ svtype t) {
+static SV *su_newSV_type(pTHX_ svtype t) {
SV *sv = newSV(0);
SvUPGRADE(sv, t);
return sv;
#endif
#ifndef OP_GIMME_REVERSE
-STATIC U8 su_op_gimme_reverse(U8 gimme) {
+static U8 su_op_gimme_reverse(U8 gimme) {
switch (gimme) {
case G_VOID:
return OPf_WANT_VOID;
#define OP_GIMME_REVERSE(G) su_op_gimme_reverse(G)
#endif
+#ifndef OpSIBLING
+# ifdef OP_SIBLING
+# define OpSIBLING(O) OP_SIBLING(O)
+# else
+# define OpSIBLING(O) ((O)->op_sibling)
+# endif
+#endif
+
#ifndef PERL_MAGIC_tied
# define PERL_MAGIC_tied 'P'
#endif
# undef MY_CXT
# define MY_CXT su_globaldata
# undef START_MY_CXT
-# define START_MY_CXT STATIC my_cxt_t MY_CXT;
+# define START_MY_CXT static my_cxt_t MY_CXT;
# undef MY_CXT_INIT
# define MY_CXT_INIT NOOP
# undef MY_CXT_CLONE
# define MY_CXT_CLONE NOOP
#endif
+/* --- Error messages ------------------------------------------------------ */
+
+static const char su_stack_smash[] = "Cannot target a scope outside of the current stack";
+static const char su_no_such_target[] = "No targetable %s scope in the current stack";
+
/* --- Unique context ID global storage ------------------------------------ */
/* ... Sequence ID counter ................................................. */
STRLEN size;
} su_uv_array;
-STATIC su_uv_array su_uid_seq_counter;
+static su_uv_array su_uid_seq_counter;
#ifdef USE_ITHREADS
-STATIC perl_mutex su_uid_seq_counter_mutex;
+static perl_mutex su_uid_seq_counter_mutex;
#define SU_LOCK(M) MUTEX_LOCK(M)
#define SU_UNLOCK(M) MUTEX_UNLOCK(M)
#endif /* !USE_ITHREADS */
-STATIC UV su_uid_seq_next(pTHX_ UV depth) {
+static UV su_uid_seq_next(pTHX_ UV depth) {
#define su_uid_seq_next(D) su_uid_seq_next(aTHX_ (D))
UV seq;
UV *seqs;
#define SU_UID_ACTIVE 1
-STATIC UV su_uid_depth(pTHX_ I32 cxix) {
+static UV su_uid_depth(pTHX_ I32 cxix) {
#define su_uid_depth(I) su_uid_depth(aTHX_ (I))
const PERL_SI *si;
UV depth;
STRLEN alloc;
} su_uid_storage;
-STATIC void su_uid_storage_dup(pTHX_ su_uid_storage *new_cxt, const su_uid_storage *old_cxt, UV max_depth) {
+static void su_uid_storage_dup(pTHX_ su_uid_storage *new_cxt, const su_uid_storage *old_cxt, UV max_depth) {
#define su_uid_storage_dup(N, O, D) su_uid_storage_dup(aTHX_ (N), (O), (D))
su_uid **old_map = old_cxt->map;
bool died;
} su_uplevel_ud;
-STATIC su_uplevel_ud *su_uplevel_ud_new(pTHX) {
+static su_uplevel_ud *su_uplevel_ud_new(pTHX) {
#define su_uplevel_ud_new() su_uplevel_ud_new(aTHX)
su_uplevel_ud *sud;
PERL_SI *si;
return sud;
}
-STATIC void su_uplevel_ud_delete(pTHX_ su_uplevel_ud *sud) {
+static void su_uplevel_ud_delete(pTHX_ su_uplevel_ud *sud) {
#define su_uplevel_ud_delete(S) su_uplevel_ud_delete(aTHX_ (S))
PERL_SI *si = sud->si;
/* ... Saving array elements ............................................... */
-STATIC I32 su_av_key2idx(pTHX_ AV *av, I32 key) {
+static I32 su_av_key2idx(pTHX_ AV *av, I32 key) {
#define su_av_key2idx(A, K) su_av_key2idx(aTHX_ (A), (K))
I32 idx;
I32 idx;
} su_ud_adelete;
-STATIC void su_adelete(pTHX_ void *ud_) {
+static void su_adelete(pTHX_ void *ud_) {
su_ud_adelete *ud = (su_ud_adelete *) ud_;
av_delete(ud->av, ud->idx, G_DISCARD);
Safefree(ud);
}
-STATIC void su_save_adelete(pTHX_ AV *av, I32 idx) {
+static void su_save_adelete(pTHX_ AV *av, I32 idx) {
#define su_save_adelete(A, K) su_save_adelete(aTHX_ (A), (K))
su_ud_adelete *ud;
#endif /* SAVEADELETE */
-STATIC void su_save_aelem(pTHX_ AV *av, SV *key, SV *val) {
+static void su_save_aelem(pTHX_ AV *av, SV *key, SV *val) {
#define su_save_aelem(A, K, V) su_save_aelem(aTHX_ (A), (K), (V))
I32 idx;
I32 preeminent = 1;
/* ... Saving hash elements ................................................ */
-STATIC void su_save_helem(pTHX_ HV *hv, SV *keysv, SV *val) {
+static void su_save_helem(pTHX_ HV *hv, SV *keysv, SV *val) {
#define su_save_helem(H, K, V) su_save_helem(aTHX_ (H), (K), (V))
I32 preeminent = 1;
HE *he;
CV *old_cv;
} su_save_gvcv_ud;
-STATIC void su_restore_gvcv(pTHX_ void *ud_) {
+static void su_restore_gvcv(pTHX_ void *ud_) {
su_save_gvcv_ud *ud = ud_;
GV *gv = ud->gv;
Safefree(ud);
}
-STATIC void su_save_gvcv(pTHX_ GV *gv) {
+static void su_save_gvcv(pTHX_ GV *gv) {
#define su_save_gvcv(G) su_save_gvcv(aTHX_ (G))
su_save_gvcv_ud *ud;
/* --- Actions ------------------------------------------------------------- */
typedef struct {
- I32 depth;
- I32 pad;
+ U8 type;
+ U8 private;
+ U8 pad;
+ /* spare */
+ I32 depth;
I32 *origin;
- void (*handler)(pTHX_ void *);
} su_ud_common;
-#define SU_UD_DEPTH(U) (((su_ud_common *) (U))->depth)
+#define SU_UD_TYPE(U) (((su_ud_common *) (U))->type)
+#define SU_UD_PRIVATE(U) (((su_ud_common *) (U))->private)
#define SU_UD_PAD(U) (((su_ud_common *) (U))->pad)
+#define SU_UD_DEPTH(U) (((su_ud_common *) (U))->depth)
#define SU_UD_ORIGIN(U) (((su_ud_common *) (U))->origin)
-#define SU_UD_HANDLER(U) (((su_ud_common *) (U))->handler)
+
+#define SU_UD_TYPE_REAP 0
+#define SU_UD_TYPE_LOCALIZE 1
+#define SU_UD_TYPE_UID 2
#define SU_UD_FREE(U) STMT_START { \
if (SU_UD_ORIGIN(U)) Safefree(SU_UD_ORIGIN(U)); \
typedef struct {
su_ud_common ci;
- SV *cb;
+ SV *cb;
} su_ud_reap;
-STATIC void su_call(pTHX_ void *ud_) {
- su_ud_reap *ud = (su_ud_reap *) ud_;
+#define SU_UD_REAP_CB(U) (((su_ud_reap *) (U))->cb)
+
+static void su_call(pTHX_ SV *cb) {
#if SU_SAVE_LAST_CX
I32 cxix;
PERL_CONTEXT saved_cx;
SU_D({
PerlIO_printf(Perl_debug_log,
- "%p: @@@ call\n%p: depth=%2d scope_ix=%2d save_ix=%2d\n",
- ud, ud, SU_UD_DEPTH(ud), PL_scopestack_ix, PL_savestack_ix);
+ "@@@ call scope_ix=%2d save_ix=%2d\n",
+ PL_scopestack_ix, PL_savestack_ix);
});
ENTER;
saved_cx = cxstack[cxix];
#endif /* SU_SAVE_LAST_CX */
- call_sv(ud->cb, G_VOID);
+ call_sv(cb, G_VOID);
#if SU_SAVE_LAST_CX
cxstack[cxix] = saved_cx;
FREETMPS;
LEAVE;
- SvREFCNT_dec(ud->cb);
- SU_UD_FREE(ud);
-}
-
-STATIC void su_reap(pTHX_ void *ud) {
-#define su_reap(U) su_reap(aTHX_ (U))
- SU_D({
- PerlIO_printf(Perl_debug_log,
- "%p: === reap\n%p: depth=%2d scope_ix=%2d save_ix=%2d\n",
- ud, ud, SU_UD_DEPTH(ud), PL_scopestack_ix, PL_savestack_ix);
- });
+ SvREFCNT_dec(cb);
- SAVEDESTRUCTOR_X(su_call, ud);
+ return;
}
/* ... Localize & localize array/hash element .............................. */
typedef struct {
su_ud_common ci;
- SV *sv;
- SV *val;
- SV *elem;
- svtype type;
+ SV *sv;
+ SV *val;
+ SV *elem;
} su_ud_localize;
+#define SU_UD_LOCALIZE_SV(U) (((su_ud_localize *) (U))->sv)
+#define SU_UD_LOCALIZE_VAL(U) (((su_ud_localize *) (U))->val)
+#define SU_UD_LOCALIZE_ELEM(U) (((su_ud_localize *) (U))->elem)
+
#define SU_UD_LOCALIZE_FREE(U) STMT_START { \
- SvREFCNT_dec((U)->elem); \
- SvREFCNT_dec((U)->val); \
- SvREFCNT_dec((U)->sv); \
- SU_UD_FREE(U); \
+ SvREFCNT_dec(SU_UD_LOCALIZE_ELEM(U)); \
+ SvREFCNT_dec(SU_UD_LOCALIZE_VAL(U)); \
+ SvREFCNT_dec(SU_UD_LOCALIZE_SV(U)); \
+ SU_UD_FREE(U); \
} STMT_END
-STATIC I32 su_ud_localize_init(pTHX_ su_ud_localize *ud, SV *sv, SV *val, SV *elem) {
+static I32 su_ud_localize_init(pTHX_ su_ud_localize *ud, SV *sv, SV *val, SV *elem) {
#define su_ud_localize_init(UD, S, V, E) su_ud_localize_init(aTHX_ (UD), (S), (V), (E))
UV deref = 0;
svtype t = SVt_NULL;
}
/* When deref is set, val isn't NULL */
+ SU_UD_PRIVATE(ud) = t;
+
ud->sv = sv;
ud->val = val ? newSVsv(deref ? SvRV(val) : val) : NULL;
ud->elem = SvREFCNT_inc(elem);
- ud->type = t;
return size;
}
-STATIC void su_localize(pTHX_ void *ud_) {
+static void su_localize(pTHX_ void *ud_) {
#define su_localize(U) su_localize(aTHX_ (U))
su_ud_localize *ud = (su_ud_localize *) ud_;
SV *sv = ud->sv;
SV *val = ud->val;
SV *elem = ud->elem;
- svtype t = ud->type;
+ svtype t = SU_UD_PRIVATE(ud);
GV *gv;
if (SvTYPE(sv) >= SVt_PVGV) {
case SVt_PVAV:
if (elem) {
su_save_aelem(GvAV(gv), elem, val);
- goto done;
+ return;
} else
save_ary(gv);
break;
case SVt_PVHV:
if (elem) {
su_save_helem(GvHV(gv), elem, val);
- goto done;
+ return;
} else
save_hash(gv);
break;
if (val)
SvSetMagicSV((SV *) gv, val);
-done:
- SU_UD_LOCALIZE_FREE(ud);
+ return;
+}
+
+/* ... Unique context ID ................................................... */
+
+typedef struct {
+ su_ud_common ci;
+ su_uid *uid;
+} su_ud_uid;
+
+#define SU_UD_UID_UID(U) (((su_ud_uid *) (U))->uid)
+
+static void su_uid_drop(pTHX_ void *ud_) {
+ su_uid *uid = ud_;
+
+ uid->flags &= ~SU_UID_ACTIVE;
+
+ return;
}
/* --- Pop a context back -------------------------------------------------- */
-#if SU_DEBUG && defined(DEBUGGING)
+#ifdef DEBUGGING
# define SU_CXNAME(C) PL_block_type[CxTYPE(C)]
#else
-# define SU_CXNAME(C) "XXX"
+# if SU_HAS_PERL(5, 11, 0)
+static const char *su_block_type[] = {
+ "NULL",
+ "WHEN",
+ "BLOCK",
+ "GIVEN",
+ "LOOP_FOR",
+ "LOOP_PLAIN",
+ "LOOP_LAZYSV",
+ "LOOP_LAZYIV",
+ "SUB",
+ "FORMAT",
+ "EVAL",
+ "SUBST"
+};
+# elif SU_HAS_PERL(5, 9, 3)
+static const char *su_block_type[] = {
+ "NULL",
+ "SUB",
+ "EVAL",
+ "WHEN",
+ "SUBST",
+ "BLOCK",
+ "FORMAT",
+ "GIVEN",
+ "LOOP_FOR",
+ "LOOP_PLAIN",
+ "LOOP_LAZYSV",
+ "LOOP_LAZYIV"
+};
+# else
+static const char *su_block_type[] = {
+ "NULL",
+ "SUB",
+ "EVAL",
+ "LOOP",
+ "SUBST",
+ "BLOCK"
+};
+# endif
+# define SU_CXNAME(C) su_block_type[CxTYPE(C)]
#endif
-STATIC void su_pop(pTHX_ void *ud) {
+static void su_pop(pTHX_ void *ud) {
#define su_pop(U) su_pop(aTHX_ (U))
I32 depth, base, mark, *origin;
depth = SU_UD_DEPTH(ud);
ud, 24, ' ', mark, base));
if (base < mark) {
+#if SU_HAS_PERL(5, 19, 4)
+ I32 save = -1;
+ PERL_CONTEXT *cx;
+#endif
+
SU_D(PerlIO_printf(Perl_debug_log, "%p: clear leftovers\n", ud));
+
+#if SU_HAS_PERL(5, 19, 4)
+ cx = cxstack + cxstack_ix;
+ if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT)
+ save = PL_scopestack[cx->blk_oldscopesp - 1];
+#endif
+
PL_savestack_ix = mark;
leave_scope(base);
+
+#if SU_HAS_PERL(5, 19, 4)
+ if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT)
+ PL_scopestack[cx->blk_oldscopesp - 1] = save;
+#endif
}
PL_savestack_ix = base;
SU_UD_DEPTH(ud) = --depth;
if (depth > 0) {
- I32 pad;
+ U8 pad;
- if ((pad = SU_UD_PAD(ud))) {
+ if ((pad = SU_UD_PAD(ud)) > 0) {
dMY_CXT;
do {
SU_D(PerlIO_printf(Perl_debug_log,
ud, depth, PL_scopestack_ix, PL_savestack_ix));
SAVEDESTRUCTOR_X(su_pop, ud);
} else {
- SU_UD_HANDLER(ud)(aTHX_ ud);
+ switch (SU_UD_TYPE(ud)) {
+ case SU_UD_TYPE_REAP: {
+ SU_D({
+ PerlIO_printf(Perl_debug_log,
+ "%p: === reap\n%p: depth=%2d scope_ix=%2d save_ix=%2d\n",
+ ud, ud, SU_UD_DEPTH(ud), PL_scopestack_ix, PL_savestack_ix);
+ });
+ SAVEDESTRUCTOR_X(su_call, SU_UD_REAP_CB(ud));
+ SU_UD_FREE(ud);
+ break;
+ }
+ case SU_UD_TYPE_LOCALIZE:
+ su_localize(ud);
+ SU_UD_LOCALIZE_FREE(ud);
+ break;
+ case SU_UD_TYPE_UID:
+ SAVEDESTRUCTOR_X(su_uid_drop, SU_UD_UID_UID(ud));
+ SU_UD_FREE(ud);
+ break;
+ }
}
SU_D(PerlIO_printf(Perl_debug_log,
/* --- Initialize the stack and the action userdata ------------------------ */
-STATIC I32 su_init(pTHX_ void *ud, I32 cxix, I32 size) {
+static I32 su_init(pTHX_ void *ud, I32 cxix, I32 size) {
#define su_init(U, C, S) su_init(aTHX_ (U), (C), (S))
- I32 i, depth = 1, pad, offset, *origin;
+ I32 i, depth, offset, base, *origin;
+ U8 pad;
SU_D(PerlIO_printf(Perl_debug_log, "%p: ### init for cx %d\n", ud, cxix));
SU_D(PerlIO_printf(Perl_debug_log, "%p: size=%d pad=%d offset=%d\n",
ud, size, pad, offset));
- for (i = cxstack_ix; i > cxix; --i) {
- PERL_CONTEXT *cx = cxstack + i;
- switch (CxTYPE(cx)) {
-#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
- SU_D(PerlIO_printf(Perl_debug_log, "%p: cx %d is loop\n", ud, i));
- depth += 2;
- break;
- default:
- SU_D(PerlIO_printf(Perl_debug_log, "%p: cx %d is other\n", ud, i));
- depth++;
- break;
- }
- }
+ depth = PL_scopestack_ix - cxstack[cxix].blk_oldscopesp;
SU_D(PerlIO_printf(Perl_debug_log, "%p: going down to depth %d\n", ud, depth));
Newx(origin, depth + 1, I32);
- origin[0] = PL_scopestack[PL_scopestack_ix - depth];
- PL_scopestack[PL_scopestack_ix - depth] += size;
- for (i = depth - 1; i >= 1; --i) {
- I32 j = PL_scopestack_ix - i;
- origin[depth - i] = PL_scopestack[j];
+ base = PL_scopestack_ix - depth;
+ origin[0] = PL_scopestack[base];
+ PL_scopestack[base] += size;
+ for (i = 1; i < depth; ++i) {
+ I32 j = i + base;
+ origin[i] = PL_scopestack[j];
PL_scopestack[j] += offset;
}
origin[depth] = PL_savestack_ix;
- SU_UD_ORIGIN(ud) = origin;
- SU_UD_DEPTH(ud) = depth;
SU_UD_PAD(ud) = pad;
+ SU_UD_DEPTH(ud) = depth;
+ SU_UD_ORIGIN(ud) = origin;
/* Make sure the first destructor fires by pushing enough fake slots on the
* stack. */
/* --- Unwind stack -------------------------------------------------------- */
-STATIC void su_unwind(pTHX_ void *ud_) {
+static void su_unwind(pTHX_ void *ud_) {
dMY_CXT;
I32 cxix = MY_CXT.unwind_storage.cxix;
I32 items = MY_CXT.unwind_storage.items;
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);
# define SU_RETOP_LOOP(C) ((C)->blk_loop.last_op->op_next)
#endif
-STATIC void su_yield(pTHX_ void *ud_) {
+static void su_yield(pTHX_ void *ud_) {
dMY_CXT;
PERL_CONTEXT *cx;
const char *which = ud_;
#if SU_HAS_PERL(5, 10, 0)
if (cxix > 0) {
PERL_CONTEXT *prev = cx - 1;
- U8 type = CxTYPE(prev);
- if ((type == CXt_GIVEN || type == CXt_WHEN)
+ U8 prev_type = CxTYPE(prev);
+ if ((prev_type == CXt_GIVEN || prev_type == CXt_WHEN)
&& (prev->blk_oldcop == cx->blk_oldcop)) {
cxix--;
cx = prev;
- if (type == CXt_GIVEN)
+ if (prev_type == CXt_GIVEN)
goto cxt_given;
else
goto cxt_when;
}
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);
#define SU_UPLEVEL_SAVE(f, t) STMT_START { sud->old_##f = PL_##f; PL_##f = (t); } STMT_END
#define SU_UPLEVEL_RESTORE(f) STMT_START { PL_##f = sud->old_##f; } STMT_END
-STATIC su_uplevel_ud *su_uplevel_storage_new(pTHX_ I32 cxix) {
+static su_uplevel_ud *su_uplevel_storage_new(pTHX_ I32 cxix) {
#define su_uplevel_storage_new(I) su_uplevel_storage_new(aTHX_ (I))
su_uplevel_ud *sud;
UV depth;
return sud;
}
-STATIC void su_uplevel_storage_delete(pTHX_ su_uplevel_ud *sud) {
+#if SU_HAS_PERL(5, 13, 7)
+
+static void su_uplevel_storage_delete(pTHX_ su_uplevel_ud *sud) {
#define su_uplevel_storage_delete(S) su_uplevel_storage_delete(aTHX_ (S))
dMY_CXT;
}
}
-STATIC int su_uplevel_goto_static(const OP *o) {
- for (; o; o = o->op_sibling) {
+#endif
+
+static int su_uplevel_goto_static(const OP *o) {
+ for (; o; o = OpSIBLING(o)) {
/* goto ops are unops with kids. */
if (!(o->op_flags & OPf_KIDS))
continue;
#if SU_UPLEVEL_HIJACKS_RUNOPS
-STATIC int su_uplevel_goto_runops(pTHX) {
+static int su_uplevel_goto_runops(pTHX) {
#define su_uplevel_goto_runops() su_uplevel_goto_runops(aTHX)
register OP *op;
dVAR;
#define su_at_underscore(C) PadARRAY(PadlistARRAY(CvPADLIST(C))[CvDEPTH(C)])[0]
-STATIC void su_uplevel_restore(pTHX_ void *sus_) {
+static void su_uplevel_restore(pTHX_ void *sus_) {
su_uplevel_ud *sud = sus_;
PERL_SI *cur = sud->old_curstackinfo;
PERL_SI *si = sud->si;
* depth to be 0, or perl would complain about it being "still in use".
* But we *know* that it cannot be so. */
if (sud->renamed) {
- CvDEPTH(sud->renamed) = 0;
- CvPADLIST(sud->renamed) = NULL;
+ if (!CvISXSUB(sud->renamed)) {
+ CvDEPTH(sud->renamed) = 0;
+ CvPADLIST(sud->renamed) = NULL;
+ }
SvREFCNT_dec(sud->renamed);
}
return;
}
-STATIC CV *su_cv_clone(pTHX_ CV *proto, GV *gv) {
+static CV *su_cv_clone(pTHX_ CV *proto, GV *gv) {
#define su_cv_clone(P, G) su_cv_clone(aTHX_ (P), (G))
dVAR;
CV *cv;
#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
CvROOT(cv) = OpREFCNT_inc(CvROOT(proto));
OP_REFCNT_UNLOCK;
CvSTART(cv) = CvSTART(proto);
+ CvPADLIST(cv) = CvPADLIST(proto);
}
CvOUTSIDE(cv) = CvOUTSIDE(proto);
#ifdef CVf_WEAKOUTSIDE
if (!(CvFLAGS(proto) & CVf_WEAKOUTSIDE))
#endif
SvREFCNT_inc_simple_void(CvOUTSIDE(cv));
- CvPADLIST(cv) = CvPADLIST(proto);
#ifdef CvOUTSIDE_SEQ
CvOUTSIDE_SEQ(cv) = CvOUTSIDE_SEQ(proto);
#endif
return cv;
}
-STATIC I32 su_uplevel(pTHX_ CV *callback, I32 cxix, I32 args) {
+static I32 su_uplevel(pTHX_ CV *callback, I32 cxix, I32 args) {
#define su_uplevel(C, I, A) su_uplevel(aTHX_ (C), (I), (A))
su_uplevel_ud *sud;
const PERL_CONTEXT *cx = cxstack + cxix;
/* --- Unique context ID --------------------------------------------------- */
-STATIC su_uid *su_uid_storage_fetch(pTHX_ UV depth) {
+static su_uid *su_uid_storage_fetch(pTHX_ UV depth) {
#define su_uid_storage_fetch(D) su_uid_storage_fetch(aTHX_ (D))
su_uid **map, *uid;
STRLEN alloc;
return uid;
}
-STATIC int su_uid_storage_check(pTHX_ UV depth, UV seq) {
+static int su_uid_storage_check(pTHX_ UV depth, UV seq) {
#define su_uid_storage_check(D, S) su_uid_storage_check(aTHX_ (D), (S))
su_uid *uid;
dMY_CXT;
return uid && (uid->seq == seq) && (uid->flags & SU_UID_ACTIVE);
}
-STATIC void su_uid_drop(pTHX_ void *ud_) {
- su_uid *uid = ud_;
-
- uid->flags &= ~SU_UID_ACTIVE;
-}
-
-STATIC void su_uid_bump(pTHX_ void *ud_) {
- su_ud_reap *ud = ud_;
-
- SAVEDESTRUCTOR_X(su_uid_drop, ud->cb);
-}
-
-STATIC SV *su_uid_get(pTHX_ I32 cxix) {
+static SV *su_uid_get(pTHX_ I32 cxix) {
#define su_uid_get(I) su_uid_get(aTHX_ (I))
su_uid *uid;
SV *uid_sv;
uid = su_uid_storage_fetch(depth);
if (!(uid->flags & SU_UID_ACTIVE)) {
- su_ud_reap *ud;
+ su_ud_uid *ud;
- uid->seq = su_uid_seq_next(depth);
+ uid->seq = su_uid_seq_next(depth);
uid->flags |= SU_UID_ACTIVE;
- Newx(ud, 1, su_ud_reap);
- SU_UD_ORIGIN(ud) = NULL;
- SU_UD_HANDLER(ud) = su_uid_bump;
- ud->cb = (SV *) uid;
+ Newx(ud, 1, su_ud_uid);
+ SU_UD_TYPE(ud) = SU_UD_TYPE_UID;
+ ud->uid = uid;
su_init(ud, cxix, SU_SAVE_DESTRUCTOR_SIZE);
}
#define IS_NUMBER_IN_UV 0x1
-STATIC int su_grok_number(pTHX_ const char *s, STRLEN len, UV *valuep) {
+static int su_grok_number(pTHX_ const char *s, STRLEN len, UV *valuep) {
#define su_grok_number(S, L, VP) su_grok_number(aTHX_ (S), (L), (VP))
STRLEN i;
SV *tmpsv;
#endif /* !grok_number */
-STATIC int su_uid_validate(pTHX_ SV *uid) {
+static int su_uid_validate(pTHX_ SV *uid) {
#define su_uid_validate(U) su_uid_validate(aTHX_ (U))
const char *s;
STRLEN len, p = 0;
/* Remove sequences of BLOCKs having DB for stash, followed by a SUB context
* for the debugger callback. */
-STATIC I32 su_context_skip_db(pTHX_ I32 cxix) {
+static I32 su_context_skip_db(pTHX_ I32 cxix) {
#define su_context_skip_db(C) su_context_skip_db(aTHX_ (C))
I32 i;
}
-STATIC I32 su_context_normalize_up(pTHX_ I32 cxix) {
+static I32 su_context_normalize_up(pTHX_ I32 cxix) {
#define su_context_normalize_up(C) su_context_normalize_up(aTHX_ (C))
PERL_CONTEXT *cx;
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 && OpSIBLING(cx->blk_oldcop)
+ && OpSIBLING(cx->blk_oldcop)->op_type == OP_SUBST)
return cxix - 1;
break;
}
return cxix;
}
-STATIC I32 su_context_normalize_down(pTHX_ I32 cxix) {
+static I32 su_context_normalize_down(pTHX_ I32 cxix) {
#define su_context_normalize_down(C) su_context_normalize_down(aTHX_ (C))
PERL_CONTEXT *next;
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 && OpSIBLING(next->blk_oldcop)
+ && OpSIBLING(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) {
+static I32 su_context_gimme(pTHX_ I32 cxix) {
#define su_context_gimme(C) su_context_gimme(aTHX_ (C))
I32 i;
#endif
case CXt_SUBST: {
const COP *cop = cx->blk_oldcop;
- if (cop && cop->op_sibling) {
- switch (cop->op_sibling->op_flags & OPf_WANT) {
+ if (cop && OpSIBLING(cop)) {
+ switch (OpSIBLING(cop)->op_flags & OPf_WANT) {
case OPf_WANT_VOID:
return G_VOID;
case OPf_WANT_SCALAR:
return G_VOID;
}
+/* --- Global setup/teardown ----------------------------------------------- */
+
+static VOL U32 su_initialized = 0;
+
+static void su_global_teardown(pTHX_ void *root) {
+ if (!su_initialized)
+ return;
+
+#if SU_MULTIPLICITY
+ if (aTHX != root)
+ return;
+#endif
+
+ SU_LOCK(&su_uid_seq_counter_mutex);
+ PerlMemShared_free(su_uid_seq_counter.seqs);
+ su_uid_seq_counter.size = 0;
+ SU_UNLOCK(&su_uid_seq_counter_mutex);
+
+ MUTEX_DESTROY(&su_uid_seq_counter_mutex);
+
+ su_initialized = 0;
+
+ return;
+}
+
+XS(XS_Scope__Upper_unwind);
+XS(XS_Scope__Upper_yield);
+XS(XS_Scope__Upper_leave);
+
+#if SU_HAS_PERL(5, 9, 0)
+# define SU_XS_FILE_TYPE const char
+#else
+# define SU_XS_FILE_TYPE char
+#endif
+
+static void su_global_setup(pTHX_ SU_XS_FILE_TYPE *file) {
+#define su_global_setup(F) su_global_setup(aTHX_ (F))
+ HV *stash;
+
+ if (su_initialized)
+ return;
+
+ MUTEX_INIT(&su_uid_seq_counter_mutex);
+
+ SU_LOCK(&su_uid_seq_counter_mutex);
+ su_uid_seq_counter.seqs = NULL;
+ su_uid_seq_counter.size = 0;
+ SU_UNLOCK(&su_uid_seq_counter_mutex);
+
+ stash = gv_stashpv(__PACKAGE__, 1);
+ newCONSTSUB(stash, "TOP", newSViv(0));
+ newCONSTSUB(stash, "SU_THREADSAFE", newSVuv(SU_THREADSAFE));
+
+ 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);
+
+#if SU_MULTIPLICITY
+ call_atexit(su_global_teardown, aTHX);
+#else
+ call_atexit(su_global_teardown, NULL);
+#endif
+
+ su_initialized = 1;
+
+ return;
+}
+
/* --- Interpreter setup/teardown ------------------------------------------ */
-STATIC void su_teardown(pTHX_ void *param) {
+static void su_local_teardown(pTHX_ void *param) {
su_uplevel_ud *cur;
su_uid **map;
dMY_CXT;
return;
}
-STATIC void su_setup(pTHX) {
-#define su_setup() su_setup(aTHX)
+static void su_local_setup(pTHX) {
+#define su_local_setup() su_local_setup(aTHX)
MY_CXT_INIT;
MY_CXT.stack_placeholder = NULL;
MY_CXT.uid_storage.used = 0;
MY_CXT.uid_storage.alloc = 0;
- call_atexit(su_teardown, NULL);
+ call_atexit(su_local_teardown, NULL);
return;
}
# define SU_INFO_COUNT 10
#endif
-XS(XS_Scope__Upper_unwind); /* prototype to pass -Wmissing-prototypes */
-
XS(XS_Scope__Upper_unwind) {
#ifdef dVAR
dVAR; dXSARGS;
croak("Can't return outside a subroutine");
}
-STATIC const char su_yield_name[] = "yield";
-
-XS(XS_Scope__Upper_yield); /* prototype to pass -Wmissing-prototypes */
+static const char su_yield_name[] = "yield";
XS(XS_Scope__Upper_yield) {
#ifdef dVAR
return;
}
-STATIC const char su_leave_name[] = "leave";
-
-XS(XS_Scope__Upper_leave); /* prototype to pass -Wmissing-prototypes */
+static const char su_leave_name[] = "leave";
XS(XS_Scope__Upper_leave) {
#ifdef dVAR
dXSARGS;
#endif
dMY_CXT;
- I32 cxix;
PERL_UNUSED_VAR(cv); /* -W */
PERL_UNUSED_VAR(ax); /* -Wall */
BOOT:
{
- HV *stash;
-
- MUTEX_INIT(&su_uid_seq_counter_mutex);
-
- su_uid_seq_counter.seqs = NULL;
- su_uid_seq_counter.size = 0;
-
- stash = gv_stashpv(__PACKAGE__, 1);
- newCONSTSUB(stash, "TOP", newSViv(0));
- newCONSTSUB(stash, "SU_THREADSAFE", newSVuv(SU_THREADSAFE));
-
- 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();
+ su_global_setup(file);
+ su_local_setup();
}
#if SU_THREADSAFE
--cxix;
cxix = su_context_skip_db(cxix);
cxix = su_context_normalize_up(cxix);
+ } else {
+ warn(su_stack_smash);
}
EXTEND(SP, 1);
mPUSHi(cxix);
XSRETURN(1);
}
}
+ warn(su_no_such_target, "subroutine");
XSRETURN_UNDEF;
void
XSRETURN(1);
}
}
+ warn(su_no_such_target, "eval");
XSRETURN_UNDEF;
void
SU_GET_LEVEL(0, 0);
cxix = su_context_here();
while (--level >= 0) {
- if (cxix <= 0)
+ if (cxix <= 0) {
+ warn(su_stack_smash);
break;
+ }
--cxix;
cxix = su_context_skip_db(cxix);
cxix = su_context_normalize_up(cxix);
}
}
done:
+ if (level >= 0)
+ warn(su_stack_smash);
EXTEND(SP, 1);
mPUSHi(cxix);
XSRETURN(1);
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;;
+ I32 i = su_context_skip_db(cxix - 1) + 1;
if (i < cxix && CxTYPE(cxstack + i) == CXt_SUB)
cx = cxstack + i;
}
goto context_info_warnings_off;
#endif
} else if (old_warnings == pWARN_NONE) {
+#if !SU_HAS_PERL(5, 17, 4)
context_info_warnings_off:
+#endif
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 {
SU_GET_CONTEXT(1, 1, su_context_skip_db(cxstack_ix));
cxix = su_context_normalize_down(cxix);
Newx(ud, 1, su_ud_reap);
- SU_UD_ORIGIN(ud) = NULL;
- SU_UD_HANDLER(ud) = su_reap;
- ud->cb = newSVsv(hook);
+ SU_UD_TYPE(ud) = SU_UD_TYPE_REAP;
+ ud->cb = (SvROK(hook) && SvTYPE(SvRV(hook)) >= SVt_PVCV)
+ ? SvRV(hook) : hook;
+ SvREFCNT_inc_simple_void(ud->cb);
su_init(ud, cxix, SU_SAVE_DESTRUCTOR_SIZE);
void
SU_GET_CONTEXT(2, 2, su_context_skip_db(cxstack_ix));
cxix = su_context_normalize_down(cxix);
Newx(ud, 1, su_ud_localize);
- SU_UD_ORIGIN(ud) = NULL;
- SU_UD_HANDLER(ud) = su_localize;
+ SU_UD_TYPE(ud) = SU_UD_TYPE_LOCALIZE;
size = su_ud_localize_init(ud, sv, val, NULL);
su_init(ud, cxix, size);
SU_GET_CONTEXT(3, 3, su_context_skip_db(cxstack_ix));
cxix = su_context_normalize_down(cxix);
Newx(ud, 1, su_ud_localize);
- SU_UD_ORIGIN(ud) = NULL;
- SU_UD_HANDLER(ud) = su_localize;
+ /* Initialize SU_UD_ORIGIN(ud) in case SU_UD_LOCALIZE_FREE(ud) needs it */
+ SU_UD_ORIGIN(ud) = NULL;
+ SU_UD_TYPE(ud) = SU_UD_TYPE_LOCALIZE;
size = su_ud_localize_init(ud, sv, val, elem);
- if (ud->type != SVt_PVAV && ud->type != SVt_PVHV) {
+ if (SU_UD_PRIVATE(ud) != SVt_PVAV && SU_UD_PRIVATE(ud) != SVt_PVHV) {
SU_UD_LOCALIZE_FREE(ud);
croak("Can't localize an element of something that isn't an array or a hash");
}
SU_GET_CONTEXT(2, 2, su_context_skip_db(cxstack_ix));
cxix = su_context_normalize_down(cxix);
Newx(ud, 1, su_ud_localize);
- SU_UD_ORIGIN(ud) = NULL;
- SU_UD_HANDLER(ud) = su_localize;
+ SU_UD_TYPE(ud) = SU_UD_TYPE_LOCALIZE;
size = su_ud_localize_init(ud, sv, NULL, elem);
su_init(ud, cxix, size);