/* pad.h
*
- * Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008 by Larry Wall and others
+ * Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008,
+ * 2009, 2010, 2011 by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
* variables, op targets and constants.
*/
-
+/*
+=head1 Pad Data Structures
+*/
/* a padlist is currently just an AV; but that might change,
#endif
#define NOT_IN_PAD ((PADOFFSET) -1)
+/* a value that PL_cop_seqmax is guaranteed never to be,
+ * flagging that a lexical is being introduced, or has not yet left scope
+ */
+#define PERL_PADSEQ_INTRO U32_MAX
+
+
/* B.xs needs these for the benefit of B::Deparse */
/* Low range end is exclusive (valid from the cop seq after this one) */
/* High range end is inclusive (valid up to this cop seq) */
#if defined (DEBUGGING) && defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
# define COP_SEQ_RANGE_LOW(sv) \
- (({ SV *const _sv_cop_seq_range_low = (SV *) (sv); \
+ (({ const SV *const _sv_cop_seq_range_low = (const SV *) (sv); \
assert(SvTYPE(_sv_cop_seq_range_low) == SVt_NV \
|| SvTYPE(_sv_cop_seq_range_low) >= SVt_PVNV); \
assert(SvTYPE(_sv_cop_seq_range_low) != SVt_PVAV); \
assert(SvTYPE(_sv_cop_seq_range_low) != SVt_PVCV); \
assert(SvTYPE(_sv_cop_seq_range_low) != SVt_PVFM); \
assert(!isGV_with_GP(_sv_cop_seq_range_low)); \
- ((XPVNV*) SvANY(_sv_cop_seq_range_low))->xnv_u.xpad_cop_seq.xlow; \
+ ((XPVNV*) MUTABLE_PTR(SvANY(_sv_cop_seq_range_low)))->xnv_u.xpad_cop_seq.xlow; \
}))
# define COP_SEQ_RANGE_HIGH(sv) \
- (({ SV *const _sv_cop_seq_range_high = (SV *) (sv); \
+ (({ const SV *const _sv_cop_seq_range_high = (const SV *) (sv); \
assert(SvTYPE(_sv_cop_seq_range_high) == SVt_NV \
|| SvTYPE(_sv_cop_seq_range_high) >= SVt_PVNV); \
assert(SvTYPE(_sv_cop_seq_range_high) != SVt_PVAV); \
assert(SvTYPE(_sv_cop_seq_range_high) != SVt_PVCV); \
assert(SvTYPE(_sv_cop_seq_range_high) != SVt_PVFM); \
assert(!isGV_with_GP(_sv_cop_seq_range_high)); \
- ((XPVNV*) SvANY(_sv_cop_seq_range_high))->xnv_u.xpad_cop_seq.xhigh; \
+ ((XPVNV*) MUTABLE_PTR(SvANY(_sv_cop_seq_range_high)))->xnv_u.xpad_cop_seq.xhigh; \
}))
# define PARENT_PAD_INDEX(sv) \
- (({ SV *const _sv_parent_pad_index = (SV *) (sv); \
+ (({ const SV *const _sv_parent_pad_index = (const SV *) (sv); \
assert(SvTYPE(_sv_parent_pad_index) == SVt_NV \
|| SvTYPE(_sv_parent_pad_index) >= SVt_PVNV); \
assert(SvTYPE(_sv_parent_pad_index) != SVt_PVAV); \
assert(SvTYPE(_sv_parent_pad_index) != SVt_PVCV); \
assert(SvTYPE(_sv_parent_pad_index) != SVt_PVFM); \
assert(!isGV_with_GP(_sv_parent_pad_index)); \
- ((XPVNV*) SvANY(_sv_parent_pad_index))->xnv_u.xpad_cop_seq.xlow; \
+ ((XPVNV*) MUTABLE_PTR(SvANY(_sv_parent_pad_index)))->xnv_u.xpad_cop_seq.xlow; \
}))
# define PARENT_FAKELEX_FLAGS(sv) \
- (({ SV *const _sv_parent_fakelex_flags = (SV *) (sv); \
+ (({ const SV *const _sv_parent_fakelex_flags = (const SV *) (sv); \
assert(SvTYPE(_sv_parent_fakelex_flags) == SVt_NV \
|| SvTYPE(_sv_parent_fakelex_flags) >= SVt_PVNV); \
assert(SvTYPE(_sv_parent_fakelex_flags) != SVt_PVAV); \
assert(SvTYPE(_sv_parent_fakelex_flags) != SVt_PVCV); \
assert(SvTYPE(_sv_parent_fakelex_flags) != SVt_PVFM); \
assert(!isGV_with_GP(_sv_parent_fakelex_flags)); \
- ((XPVNV*) SvANY(_sv_parent_fakelex_flags))->xnv_u.xpad_cop_seq.xhigh; \
+ ((XPVNV*) MUTABLE_PTR(SvANY(_sv_parent_fakelex_flags)))->xnv_u.xpad_cop_seq.xhigh; \
}))
#else
# define COP_SEQ_RANGE_LOW(sv) \
padtidy_FORMAT /* or a format */
} padtidy_type;
+/* flags for pad_add_name_pvn. */
+
+#define padadd_OUR 0x01 /* our declaration. */
+#define padadd_STATE 0x02 /* state declaration. */
+#define padadd_NO_DUP_CHECK 0x04 /* skip warning on dups. */
+#define padadd_UTF8_NAME SVf_UTF8 /* name is UTF-8 encoded. */
+
/* ASSERT_CURPAD_LEGAL and ASSERT_CURPAD_ACTIVE respectively determine
* whether PL_comppad and PL_curpad are consistent and whether they have
* active values */
#define PAD_BASE_SV(padlist, po) \
(AvARRAY(padlist)[1]) \
- ? AvARRAY((AV*)(AvARRAY(padlist)[1]))[po] : NULL;
+ ? AvARRAY(MUTABLE_AV((AvARRAY(padlist)[1])))[po] : NULL;
#define PAD_SET_CUR_NOSAVE(padlist,nth) \
PTR2UV(PL_comppad), PTR2UV(PL_curpad)));
#define PAD_RESTORE_LOCAL(opad) \
- PL_comppad = opad; \
+ assert(!opad || !SvIS_FREED(opad)); \
+ PL_comppad = opad; \
PL_curpad = PL_comppad ? AvARRAY(PL_comppad) : NULL; \
DEBUG_Xv(PerlIO_printf(Perl_debug_log, \
"Pad 0x%"UVxf"[0x%"UVxf"] restore_local\n", \
*/
#define CX_CURPAD_SAVE(block) (block).oldcomppad = PL_comppad
-#define CX_CURPAD_SV(block,po) (AvARRAY((AV*)((block).oldcomppad))[po])
+#define CX_CURPAD_SV(block,po) (AvARRAY(MUTABLE_AV(((block).oldcomppad)))[po])
/*
#define PAD_COMPNAME_SV(po) (*av_fetch(PL_comppad_name, (po), FALSE))
#define PAD_COMPNAME_FLAGS(po) SvFLAGS(PAD_COMPNAME_SV(po))
-#define PAD_COMPNAME_FLAGS_isOUR(po) \
- ((PAD_COMPNAME_FLAGS(po) & (SVpad_NAME|SVpad_OUR)) == (SVpad_NAME|SVpad_OUR))
+#define PAD_COMPNAME_FLAGS_isOUR(po) SvPAD_OUR(PAD_COMPNAME_SV(po))
#define PAD_COMPNAME_PV(po) SvPV_nolen(PAD_COMPNAME_SV(po))
#define PAD_COMPNAME_TYPE(po) pad_compname_type(po)
/*
-=for apidoc m|void|PAD_DUP|PADLIST dstpad|PADLIST srcpad|CLONE_PARAMS* param
-Clone a padlist.
-
=for apidoc m|void|PAD_CLONE_VARS|PerlInterpreter *proto_perl|CLONE_PARAMS* param
Clone the state variables associated with running and compiling pads.
=cut
*/
-
-#define PAD_DUP(dstpad, srcpad, param) \
- if ((srcpad) && !AvREAL(srcpad)) { \
- /* XXX padlists are real, but pretend to be not */ \
- AvREAL_on(srcpad); \
- (dstpad) = av_dup_inc((srcpad), param); \
- AvREAL_off(srcpad); \
- AvREAL_off(dstpad); \
- } \
- else \
- (dstpad) = av_dup_inc((srcpad), param);
-
/* NB - we set PL_comppad to null unless it points at a value that
* has already been dup'ed, ie it points to part of an active padlist.
* Otherwise PL_comppad ends up being a leaked scalar in code like
* sub's CV or padlist. */
#define PAD_CLONE_VARS(proto_perl, param) \
- PL_comppad = (AV *) ptr_table_fetch(PL_ptr_table, proto_perl->Icomppad); \
+ PL_comppad = MUTABLE_AV(ptr_table_fetch(PL_ptr_table, proto_perl->Icomppad)); \
PL_curpad = PL_comppad ? AvARRAY(PL_comppad) : NULL; \
PL_comppad_name = av_dup(proto_perl->Icomppad_name, param); \
PL_comppad_name_fill = proto_perl->Icomppad_name_fill; \
PL_cop_seqmax = proto_perl->Icop_seqmax;
/*
+=for apidoc Am|PADOFFSET|pad_add_name_pvs|const char *name|U32 flags|HV *typestash|HV *ourstash
+
+Exactly like L</pad_add_name_pvn>, but takes a literal string instead
+of a string/length pair.
+
+=cut
+*/
+
+#define pad_add_name_pvs(name,flags,typestash,ourstash) \
+ Perl_pad_add_name_pvn(aTHX_ STR_WITH_LEN(name), flags, typestash, ourstash)
+
+/*
+=for apidoc Am|PADOFFSET|pad_findmy_pvs|const char *name|U32 flags
+
+Exactly like L</pad_findmy_pvn>, but takes a literal string instead
+of a string/length pair.
+
+=cut
+*/
+
+#define pad_findmy_pvs(name,flags) \
+ Perl_pad_findmy_pvn(aTHX_ STR_WITH_LEN(name), flags)
+
+/*
* Local variables:
* c-indentation-style: bsd
* c-basic-offset: 4