/* pad.h
*
- * Copyright (C) 2002, 2003, 2005, 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.
*/
+/* offsets within a pad */
+typedef SSize_t PADOFFSET; /* signed so that -1 is a valid value */
+#define NOT_IN_PAD ((PADOFFSET) -1)
+/* B.xs expects the first members of these two structs to line up
+ (xpadl_max with xpadnl_fill).
+ */
-/* a padlist is currently just an AV; but that might change,
- * so hide the type. Ditto a pad. */
-
-typedef AV PADLIST;
-typedef AV PAD;
-
+struct padlist {
+ SSize_t xpadl_max; /* max index for which array has space */
+ union {
+ PAD ** xpadlarr_alloc; /* Pointer to beginning of array of AVs.
+ Note that a 'padnamelist *' is stored
+ in the 0 index of the AV. */
+ struct {
+ PADNAMELIST * padnl;
+ PAD * pad_1; /* this slice of PAD * array always alloced */
+ PAD * pad_2; /* maybe unalloced */
+ } * xpadlarr_dbg; /* for use with a C debugger only */
+ } xpadl_arr;
+ U32 xpadl_id; /* Semi-unique ID, shared between clones */
+ U32 xpadl_outid; /* ID of outer pad */
+};
+
+struct padnamelist {
+ SSize_t xpadnl_fill; /* max index in use */
+ PADNAME ** xpadnl_alloc; /* pointer to beginning of array */
+ SSize_t xpadnl_max; /* max index for which array has space */
+ PADOFFSET xpadnl_max_named; /* highest index with len > 0 */
+ U32 xpadnl_refcnt;
+};
+
+/* PERL_PADNAME_MINIMAL uses less memory, but on some platforms
+ PERL_PADNAME_ALIGNED may be faster, so platform-specific hints can
+ define one or the other. */
+#if defined(PERL_PADNAME_MINIMAL) && defined (PERL_PADNAME_ALIGNED)
+# error PERL_PADNAME_MINIMAL and PERL_PADNAME_ALIGNED are exclusive
+#endif
-/* offsets within a pad */
+#if !defined(PERL_PADNAME_MINIMAL) && !defined(PERL_PADNAME_ALIGNED)
+# define PERL_PADNAME_MINIMAL
+#endif
-#if PTRSIZE == 4
-typedef U32TYPE PADOFFSET;
+struct padname_fieldinfo;
+
+#define _PADNAME_BASE \
+ char * xpadn_pv; \
+ HV * xpadn_ourstash; \
+ union { \
+ HV * xpadn_typestash; \
+ CV * xpadn_protocv; \
+ } xpadn_type_u; \
+ struct padname_fieldinfo *xpadn_fieldinfo; \
+ U32 xpadn_low; \
+ U32 xpadn_high; \
+ U32 xpadn_refcnt; \
+ int xpadn_gen; \
+ U8 xpadn_len; \
+ U8 xpadn_flags
+
+struct padname {
+ _PADNAME_BASE;
+};
+
+struct padname_with_str {
+#ifdef PERL_PADNAME_MINIMAL
+ _PADNAME_BASE;
#else
-# if PTRSIZE == 8
-typedef U64TYPE PADOFFSET;
-# endif
+ struct padname xpadn_padname;
#endif
-#define NOT_IN_PAD ((PADOFFSET) -1)
-
+ char xpadn_str[1];
+};
+
+#undef _PADNAME_BASE
+
+#define PADNAME_FROM_PV(s) \
+ ((PADNAME *)((s) - STRUCT_OFFSET(struct padname_with_str, xpadn_str)))
+
+/* Most padnames are not field names. Keep all the field-related info in its
+ * own substructure, stored in ->xpadn_fieldinfo.
+ */
+struct padname_fieldinfo {
+ U32 refcount;
+ PADOFFSET fieldix; /* index of this field within ObjectFIELDS() array */
+ HV *fieldstash; /* original class package which added this field */
+ OP *defop; /* optree fragment for defaulting expression */
+ SV *paramname; /* name of the :param to look for in constructor */
+ int def_if_undef : 1; /* default op uses //= */
+ int def_if_false : 1; /* default op uses ||= */
+};
+
+
+/* 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
+#define COP_SEQMAX_INC \
+ (PL_cop_seqmax++, \
+ (void)(PL_cop_seqmax == PERL_PADSEQ_INTRO && PL_cop_seqmax++))
+
+
+/* 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) */
+
+#define COP_SEQ_RANGE_LOW(pn) (pn)->xpadn_low
+#define COP_SEQ_RANGE_HIGH(pn) (pn)->xpadn_high
+#define PARENT_PAD_INDEX(pn) (pn)->xpadn_low
+#define PARENT_FAKELEX_FLAGS(pn) (pn)->xpadn_high
+
+/* Flags set in the SvIVX field of FAKE namesvs */
+
+#define PAD_FAKELEX_ANON 1 /* the lex is declared in an ANON, or ... */
+#define PAD_FAKELEX_MULTI 2 /* the lex can be instantiated multiple times */
/* flags for the pad_new() function */
/* values for the pad_tidy() function */
typedef enum {
- padtidy_SUB, /* tidy up a pad for a sub, */
- padtidy_SUBCLONE, /* a cloned sub, */
- padtidy_FORMAT /* or a format */
+ padtidy_SUB, /* tidy up a pad for a sub, */
+ padtidy_SUBCLONE, /* a cloned sub, */
+ 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_STALEOK 0x08 /* allow stale lexical in active
+ * sub, but only one level up */
+#define padadd_FIELD 0x10 /* set PADNAMEt_FIELD */
+#define padfind_FIELD_OK 0x20 /* pad_findlex is permitted to see fields */
+#define padadd_TOMBSTONE 0x40 /* set PadnameIsTOMBSTONE on the new entry */
+
/* 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_peg(label)
+
#ifdef DEBUGGING
# define ASSERT_CURPAD_LEGAL(label) \
+ pad_peg(label); \
if (PL_comppad ? (AvARRAY(PL_comppad) != PL_curpad) : (PL_curpad != 0)) \
- Perl_croak(aTHX_ "panic: illegal pad in %s: 0x%"UVxf"[0x%"UVxf"]",\
- label, PTR2UV(PL_comppad), PTR2UV(PL_curpad));
+ Perl_croak(aTHX_ "panic: illegal pad in %s: 0x%" UVxf "[0x%" UVxf "]",\
+ label, PTR2UV(PL_comppad), PTR2UV(PL_curpad));
# define ASSERT_CURPAD_ACTIVE(label) \
+ pad_peg(label); \
if (!PL_comppad || (AvARRAY(PL_comppad) != PL_curpad)) \
- Perl_croak(aTHX_ "panic: invalid pad in %s: 0x%"UVxf"[0x%"UVxf"]",\
- label, PTR2UV(PL_comppad), PTR2UV(PL_curpad));
+ Perl_croak(aTHX_ "panic: invalid pad in %s: 0x%" UVxf "[0x%" UVxf "]",\
+ label, PTR2UV(PL_comppad), PTR2UV(PL_curpad));
#else
# define ASSERT_CURPAD_LEGAL(label)
# define ASSERT_CURPAD_ACTIVE(label)
/* Note: the following three macros are actually defined in scope.h, but
* they are documented here for completeness, since they directly or
- * indirectly affect pads.
+ * indirectly affect pads. */
+/*
=for apidoc m|void|SAVEPADSV |PADOFFSET po
Save a pad slot (used to restore after an iteration)
+=cut
+
XXX DAPM it would make more sense to make the arg a PADOFFSET
+
=for apidoc m|void|SAVECLEARSV |SV **svp
-Clear the pointed to pad value on scope exit. (i.e. the runtime action of 'my')
+Clear the pointed to pad value on scope exit. (i.e. the runtime action of
+C<my>)
=for apidoc m|void|SAVECOMPPAD
-save PL_comppad and PL_curpad
+save C<PL_comppad> and C<PL_curpad>
+
+
+=for apidoc Amx|PAD **|PadlistARRAY|PADLIST * padlist
+The C array of a padlist, containing the pads. Only subscript it with
+numbers >= 1, as the 0th entry is not guaranteed to remain usable.
+
+=for apidoc Amx|SSize_t|PadlistMAX|PADLIST * padlist
+The index of the last allocated space in the padlist. Note that the last
+pad may be in an earlier slot. Any entries following it will be C<NULL> in
+that case.
+
+=for apidoc Amx|PADNAMELIST *|PadlistNAMES|PADLIST * padlist
+The names associated with pad entries.
+
+=for apidoc Amx|PADNAME **|PadlistNAMESARRAY|PADLIST * padlist
+The C array of pad names.
+
+=for apidoc Amx|SSize_t|PadlistNAMESMAX|PADLIST * padlist
+The index of the last pad name.
+
+=for apidoc Amx|U32|PadlistREFCNT|PADLIST * padlist
+The reference count of the padlist. Currently this is always 1.
+
+=for apidoc Amx|PADNAME **|PadnamelistARRAY|PADNAMELIST * pnl
+The C array of pad names.
+
+=for apidoc Amx|SSize_t|PadnamelistMAX|PADNAMELIST * pnl
+The index of the last pad name.
+
+=for apidoc Amx|SSize_t|PadnamelistREFCNT|PADNAMELIST * pnl
+The reference count of the pad name list.
+
+=for apidoc Amx|void|PadnamelistREFCNT_dec|PADNAMELIST * pnl
+Lowers the reference count of the pad name list.
+
+=for apidoc Amx|SV **|PadARRAY|PAD * pad
+The C array of pad entries.
+
+=for apidoc Amx|SSize_t|PadMAX|PAD * pad
+The index of the last pad entry.
+=for apidoc Amx|char *|PadnamePV|PADNAME * pn
+The name stored in the pad name struct. This returns C<NULL> for a target
+slot.
+=for apidoc Amx|STRLEN|PadnameLEN|PADNAME * pn
+The length of the name.
+=for apidoc Amx|bool|PadnameUTF8|PADNAME * pn
+Whether PadnamePV is in UTF-8. Currently, this is always true.
+
+=for apidoc Amx|SV *|PadnameSV|PADNAME * pn
+Returns the pad name as a mortal SV.
+
+=for apidoc m|bool|PadnameIsOUR|PADNAME * pn
+Whether this is an "our" variable.
+
+=for apidoc m|HV *|PadnameOURSTASH|PADNAME * pn
+The stash in which this "our" variable was declared.
+
+=for apidoc m|bool|PadnameOUTER|PADNAME * pn
+Whether this entry belongs to an outer pad. Entries for which this is true
+are often referred to as 'fake'.
+
+=for apidoc m|bool|PadnameIsSTATE|PADNAME * pn
+Whether this is a "state" variable.
+
+=for apidoc m|bool|PadnameIsFIELD|PADNAME * pn
+Whether this is a "field" variable. PADNAMEs where this is true will
+have additional information available via C<PadnameFIELDINFO>.
+
+=for apidoc m|bool|PadnameIsTOMBSTONE|PADNAME * pn
+Whether this pad entry is a tombstone. Such an entry indicates that a
+previously-valid pad entry has now been deleted within this scope, and
+should be ignored.
+
+=for apidoc m|HV *|PadnameTYPE|PADNAME * pn
+The stash associated with a typed lexical. This returns the C<%Foo::> hash
+for C<my Foo $bar>.
+
+=for apidoc Amx|SSize_t|PadnameREFCNT|PADNAME * pn
+The reference count of the pad name.
+
+=for apidoc Amx|PADNAME *|PadnameREFCNT_inc|PADNAME * pn
+Increases the reference count of the pad name. Returns the pad name itself.
+
+=for apidoc Amx|void|PadnameREFCNT_dec|PADNAME * pn
+Lowers the reference count of the pad name.
=for apidoc m|SV *|PAD_SETSV |PADOFFSET po|SV* sv
Set the slot at offset C<po> in the current pad to C<sv>
-=for apidoc m|void|PAD_SV |PADOFFSET po
+=for apidoc m|SV *|PAD_SV |PADOFFSET po
Get the value at offset C<po> in the current pad
=for apidoc m|SV *|PAD_SVl |PADOFFSET po
=for apidoc m|void|PAD_SET_CUR |PADLIST padlist|I32 n
Set the current pad to be pad C<n> in the padlist, saving
-the previous current pad. NB currently this macro expands to a string too
+the previous current pad. NB currently this macro expands to a string too
long for some compilers, so it's best to replace it with
SAVECOMPPAD();
Save the current pad then set it to null.
=for apidoc m|void|PAD_SAVE_LOCAL|PAD *opad|PAD *npad
-Save the current pad to the local variable opad, then make the
-current pad equal to npad
+Save the current pad to the local variable C<opad>, then make the
+current pad equal to C<npad>
=for apidoc m|void|PAD_RESTORE_LOCAL|PAD *opad
-Restore the old pad saved into the local variable opad by PAD_SAVE_LOCAL()
+Restore the old pad saved into the local variable C<opad> by C<PAD_SAVE_LOCAL()>
=cut
*/
+#define PadlistARRAY(pl) (pl)->xpadl_arr.xpadlarr_alloc
+#define PadlistMAX(pl) (pl)->xpadl_max
+#define PadlistNAMES(pl) *((PADNAMELIST **)PadlistARRAY(pl))
+#define PadlistNAMESARRAY(pl) PadnamelistARRAY(PadlistNAMES(pl))
+#define PadlistNAMESMAX(pl) PadnamelistMAX(PadlistNAMES(pl))
+#define PadlistREFCNT(pl) 1 /* reserved for future use */
+
+#define PadnamelistARRAY(pnl) (pnl)->xpadnl_alloc
+#define PadnamelistMAX(pnl) (pnl)->xpadnl_fill
+#define PadnamelistMAXNAMED(pnl) (pnl)->xpadnl_max_named
+#define PadnamelistREFCNT(pnl) (pnl)->xpadnl_refcnt
+#define PadnamelistREFCNT_inc(pnl) Perl_padnamelist_refcnt_inc(pnl)
+#define PadnamelistREFCNT_dec(pnl) Perl_padnamelist_free(aTHX_ pnl)
+
+#define PadARRAY(pad) AvARRAY(pad)
+#define PadMAX(pad) AvFILLp(pad)
+
+#define PadnamePV(pn) (pn)->xpadn_pv
+#define PadnameLEN(pn) (pn)->xpadn_len
+#define PadnameUTF8(pn) 1
+#define PadnameSV(pn) \
+ newSVpvn_flags(PadnamePV(pn), PadnameLEN(pn), SVs_TEMP|SVf_UTF8)
+#define PadnameFLAGS(pn) (pn)->xpadn_flags
+#define PadnameIsOUR(pn) cBOOL((pn)->xpadn_ourstash)
+#define PadnameOURSTASH(pn) (pn)->xpadn_ourstash
+#define PadnameTYPE(pn) (pn)->xpadn_type_u.xpadn_typestash
+#define PadnameHasTYPE(pn) cBOOL(PadnameTYPE(pn))
+#define PadnamePROTOCV(pn) (pn)->xpadn_type_u.xpadn_protocv
+#define PadnameREFCNT(pn) (pn)->xpadn_refcnt
+#define PadnameREFCNT_inc(pn) Perl_padname_refcnt_inc(pn)
+#define PadnameREFCNT_dec(pn) Perl_padname_free(aTHX_ pn)
+#define PadnameOURSTASH_set(pn,s) (PadnameOURSTASH(pn) = (s))
+#define PadnameTYPE_set(pn,s) (PadnameTYPE(pn) = (s))
+#define PadnameFIELDINFO(pn) (pn)->xpadn_fieldinfo
+#define PadnameOUTER(pn) (PadnameFLAGS(pn) & PADNAMEf_OUTER)
+#define PadnameIsSTATE(pn) (PadnameFLAGS(pn) & PADNAMEf_STATE)
+#define PadnameLVALUE(pn) (PadnameFLAGS(pn) & PADNAMEf_LVALUE)
+#define PadnameIsFIELD(pn) (PadnameFLAGS(pn) & PADNAMEf_FIELD)
+#define PadnameIsTOMBSTONE(pn) (PadnameFLAGS(pn) & PADNAMEf_TOMBSTONE)
+
+#define PadnameLVALUE_on(pn) (PadnameFLAGS(pn) |= PADNAMEf_LVALUE)
+#define PadnameIsSTATE_on(pn) (PadnameFLAGS(pn) |= PADNAMEf_STATE)
+
+#define PADNAMEf_OUTER 0x01 /* outer lexical var */
+#define PADNAMEf_STATE 0x02 /* state var */
+#define PADNAMEf_LVALUE 0x04 /* used as lvalue */
+#define PADNAMEf_TYPED 0x08 /* for B; unused by core */
+#define PADNAMEf_OUR 0x10 /* for B; unused by core */
+#define PADNAMEf_FIELD 0x20 /* field var */
+#define PADNAMEf_TOMBSTONE 0x40 /* padname has been deleted */
+
+/* backward compatibility */
+#ifndef PERL_CORE
+# define SvPAD_STATE PadnameIsSTATE
+# define SvPAD_TYPED PadnameHasTYPE
+# define SvPAD_OUR(pn) cBOOL(PadnameOURSTASH(pn))
+# define SvPAD_STATE_on PadnameIsSTATE_on
+# define SvPAD_TYPED_on(pn) (PadnameFLAGS(pn) |= PADNAMEf_TYPED)
+# define SvPAD_OUR_on(pn) (PadnameFLAGS(pn) |= PADNAMEf_OUR)
+# define SvOURSTASH PadnameOURSTASH
+# define SvOURSTASH_set PadnameOURSTASH_set
+# define SVpad_STATE PADNAMEf_STATE
+# define SVpad_TYPED PADNAMEf_TYPED
+# define SVpad_OUR PADNAMEf_OUR
+# define PADNAMEt_OUTER PADNAMEf_OUTER
+# define PADNAMEt_STATE PADNAMEf_STATE
+# define PADNAMEt_LVALUE PADNAMEf_LVALUE
+# define PADNAMEt_TYPED PADNAMEf_TYPED
+# define PADNAMEt_OUR PADNAMEf_OUR
+#endif
+
+#ifdef USE_ITHREADS
+# define padnamelist_dup_inc(pnl,param) PadnamelistREFCNT_inc(padnamelist_dup(pnl,param))
+# define padname_dup_inc(pn,param) PadnameREFCNT_inc(padname_dup(pn,param))
+#endif
+
#ifdef DEBUGGING
# define PAD_SV(po) pad_sv(po)
# define PAD_SETSV(po,sv) pad_setsv(po,sv)
#define PAD_SVl(po) (PL_curpad[po])
#define PAD_BASE_SV(padlist, po) \
- (AvARRAY(padlist)[1]) \
- ? AvARRAY((AV*)(AvARRAY(padlist)[1]))[po] : NULL;
-
+ (PadlistARRAY(padlist)[1]) \
+ ? AvARRAY(MUTABLE_AV((PadlistARRAY(padlist)[1])))[po] \
+ : NULL;
-#define PAD_SET_CUR_NOSAVE(padlist,n) \
- PL_comppad = (PAD*) (AvARRAY(padlist)[n]); \
- PL_curpad = AvARRAY(PL_comppad); \
- DEBUG_Xv(PerlIO_printf(Perl_debug_log, \
- "Pad 0x%"UVxf"[0x%"UVxf"] set_cur depth=%d\n", \
- PTR2UV(PL_comppad), PTR2UV(PL_curpad), (int)(n)));
+#define PAD_SET_CUR_NOSAVE(padlist,nth) \
+ PL_comppad = (PAD*) (PadlistARRAY(padlist)[nth]); \
+ PL_curpad = AvARRAY(PL_comppad); \
+ DEBUG_Xv(PerlIO_printf(Perl_debug_log, \
+ "Pad 0x%" UVxf "[0x%" UVxf "] set_cur depth=%d\n", \
+ PTR2UV(PL_comppad), PTR2UV(PL_curpad), (int)(nth)));
-#define PAD_SET_CUR(padlist,n) \
- SAVECOMPPAD(); \
- PAD_SET_CUR_NOSAVE(padlist,n);
+
+#define PAD_SET_CUR(padlist,nth) \
+ SAVECOMPPAD(); \
+ PAD_SET_CUR_NOSAVE(padlist,nth);
#define PAD_SAVE_SETNULLPAD() SAVECOMPPAD(); \
- PL_comppad = NULL; PL_curpad = NULL; \
- DEBUG_Xv(PerlIO_printf(Perl_debug_log, "Pad set_null\n"));
+ PL_comppad = NULL; PL_curpad = NULL; \
+ DEBUG_Xv(PerlIO_printf(Perl_debug_log, "Pad set_null\n"));
#define PAD_SAVE_LOCAL(opad,npad) \
- opad = PL_comppad; \
- PL_comppad = (npad); \
- PL_curpad = PL_comppad ? AvARRAY(PL_comppad) : NULL; \
- DEBUG_Xv(PerlIO_printf(Perl_debug_log, \
- "Pad 0x%"UVxf"[0x%"UVxf"] save_local\n", \
- PTR2UV(PL_comppad), PTR2UV(PL_curpad)));
+ opad = PL_comppad; \
+ PL_comppad = (npad); \
+ PL_curpad = PL_comppad ? AvARRAY(PL_comppad) : NULL; \
+ DEBUG_Xv(PerlIO_printf(Perl_debug_log, \
+ "Pad 0x%" UVxf "[0x%" UVxf "] save_local\n", \
+ PTR2UV(PL_comppad), PTR2UV(PL_curpad)));
#define PAD_RESTORE_LOCAL(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", \
- PTR2UV(PL_comppad), PTR2UV(PL_curpad)));
+ 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", \
+ PTR2UV(PL_comppad), PTR2UV(PL_curpad)));
/*
Save the current pad in the given context block structure.
=for apidoc m|SV *|CX_CURPAD_SV|struct context|PADOFFSET po
-Access the SV at offset po in the saved current pad in the given
+Access the SV at offset C<po> in the saved current pad in the given
context block structure (can be used as an lvalue).
=cut
*/
#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])
/*
=for apidoc m|U32|PAD_COMPNAME_FLAGS|PADOFFSET po
Return the flags for the current compiling pad name
-at offset C<po>. Assumes a valid slot entry.
+at offset C<po>. Assumes a valid slot entry.
=for apidoc m|char *|PAD_COMPNAME_PV|PADOFFSET po
Return the name of the current compiling pad name
-at offset C<po>. Assumes a valid slot entry.
+at offset C<po>. Assumes a valid slot entry.
=for apidoc m|HV *|PAD_COMPNAME_TYPE|PADOFFSET po
Return the type (stash) of the current compiling pad name at offset
-C<po>. Must be a valid name. Returns null if not typed.
+C<po>. Must be a valid name. Returns null if not typed.
=for apidoc m|HV *|PAD_COMPNAME_OURSTASH|PADOFFSET po
Return the stash associated with an C<our> variable.
=for apidoc m|STRLEN|PAD_COMPNAME_GEN|PADOFFSET po
The generation number of the name at offset C<po> in the current
-compiling pad (lvalue). Note that C<SvCUR> is hijacked for this purpose.
+compiling pad (lvalue).
=for apidoc m|STRLEN|PAD_COMPNAME_GEN_set|PADOFFSET po|int gen
Sets the generation number of the name at offset C<po> in the current
-ling pad (lvalue) to C<gen>. Note that C<SvCUR_set> is hijacked for this purpose.
-
+ling pad (lvalue) to C<gen>.
=cut
*/
-#define PAD_COMPNAME_FLAGS(po) SvFLAGS(*av_fetch(PL_comppad_name, (po), FALSE))
-#define PAD_COMPNAME_PV(po) SvPV_nolen(*av_fetch(PL_comppad_name, (po), FALSE))
+#define PAD_COMPNAME(po) PAD_COMPNAME_SV(po)
+#define PAD_COMPNAME_SV(po) (PadnamelistARRAY(PL_comppad_name)[(po)])
+#define PAD_COMPNAME_FLAGS(po) PadnameFLAGS(PAD_COMPNAME(po))
+#define PAD_COMPNAME_FLAGS_isOUR(po) PadnameIsOUR(PAD_COMPNAME_SV(po))
+#define PAD_COMPNAME_PV(po) PadnamePV(PAD_COMPNAME(po))
-#define PAD_COMPNAME_TYPE(po) pad_compname_type(po)
+#define PAD_COMPNAME_TYPE(po) PadnameTYPE(PAD_COMPNAME(po))
-#define PAD_COMPNAME_OURSTASH(po) \
- (GvSTASH(*av_fetch(PL_comppad_name, (po), FALSE)))
+#define PAD_COMPNAME_OURSTASH(po) (PadnameOURSTASH(PAD_COMPNAME_SV(po)))
-#define PAD_COMPNAME_GEN(po) SvCUR(AvARRAY(PL_comppad_name)[po])
+#define PAD_COMPNAME_GEN(po) \
+ ((STRLEN)PadnamelistARRAY(PL_comppad_name)[po]->xpadn_gen)
-#define PAD_COMPNAME_GEN_set(po, gen) SvCUR_set(AvARRAY(PL_comppad_name)[po], gen)
+#define PAD_COMPNAME_GEN_set(po, gen) \
+ (PadnamelistARRAY(PL_comppad_name)[po]->xpadn_gen = (gen))
/*
-=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
+=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 = av_dup(proto_perl->Icomppad, param); \
PL_curpad = PL_comppad ? AvARRAY(PL_comppad) : NULL; \
- PL_comppad_name = av_dup(proto_perl->Icomppad_name, param); \
+ PL_comppad_name = \
+ padnamelist_dup(proto_perl->Icomppad_name, param); \
PL_comppad_name_fill = proto_perl->Icomppad_name_fill; \
PL_comppad_name_floor = proto_perl->Icomppad_name_floor; \
PL_min_intro_pending = proto_perl->Imin_intro_pending; \
PL_padix_floor = proto_perl->Ipadix_floor; \
PL_pad_reset_pending = proto_perl->Ipad_reset_pending; \
PL_cop_seqmax = proto_perl->Icop_seqmax;
+
+/*
+=for apidoc Am|PADOFFSET|pad_add_name_pvs|"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|"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)
+
+struct suspended_compcv
+{
+ CV *compcv;
+ STRLEN padix, constpadix;
+ STRLEN comppad_name_fill;
+ STRLEN min_intro_pending, max_intro_pending;
+ bool cv_has_eval, pad_reset_pending;
+};
+
+#define resume_compcv_final(buffer) Perl_resume_compcv(aTHX_ buffer, false)
+#define resume_compcv_and_save(buffer) Perl_resume_compcv(aTHX_ buffer, true)
+
+/*
+ * ex: set ts=8 sts=4 sw=4 et:
+ */
https://perl5.git.perl.org / perl5.git / blobdiff