| /* pad.h |
| * |
| * 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. |
| * |
| * This file defines the types and macros associated with the API for |
| * manipulating scratchpads, which are used by perl to store lexical |
| * 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). |
| */ |
| |
| 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 |
| |
| #if !defined(PERL_PADNAME_MINIMAL) && !defined(PERL_PADNAME_ALIGNED) |
| # define PERL_PADNAME_MINIMAL |
| #endif |
| |
| 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 |
| struct padname xpadn_padname; |
| #endif |
| 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 */ |
| |
| #define padnew_CLONE 1 /* this pad is for a cloned CV */ |
| #define padnew_SAVE 2 /* save old globals */ |
| #define padnew_SAVESUB 4 /* also save extra stuff for start of sub */ |
| |
| /* 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_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 */ |
| |
| /* 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)); |
| |
| |
| # 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)); |
| #else |
| # define ASSERT_CURPAD_LEGAL(label) |
| # define ASSERT_CURPAD_ACTIVE(label) |
| #endif |
| |
| |
| |
| /* 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. */ |
| |
| /* |
| =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 |
| C<my>) |
| |
| =for apidoc m|void|SAVECOMPPAD |
| 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|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|SV *|PAD_SV |PADOFFSET po |
| Get the value at offset C<po> in the current pad |
| |
| =for apidoc m|SV *|PAD_SVl |PADOFFSET po |
| Lightweight and lvalue version of C<PAD_SV>. |
| Get or set the value at offset C<po> in the current pad. |
| Unlike C<PAD_SV>, does not print diagnostics with -DX. |
| For internal use only. |
| |
| =for apidoc m|SV *|PAD_BASE_SV |PADLIST padlist|PADOFFSET po |
| Get the value from slot C<po> in the base (DEPTH=1) pad of a padlist |
| |
| =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 |
| long for some compilers, so it's best to replace it with |
| |
| SAVECOMPPAD(); |
| PAD_SET_CUR_NOSAVE(padlist,n); |
| |
| |
| =for apidoc m|void|PAD_SET_CUR_NOSAVE |PADLIST padlist|I32 n |
| like PAD_SET_CUR, but without the save |
| |
| =for apidoc m|void|PAD_SAVE_SETNULLPAD |
| 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 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 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 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 */ |
| |
| /* 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) |
| #else |
| # define PAD_SV(po) (PL_curpad[po]) |
| # define PAD_SETSV(po,sv) PL_curpad[po] = (sv) |
| #endif |
| |
| #define PAD_SVl(po) (PL_curpad[po]) |
| |
| #define PAD_BASE_SV(padlist, po) \ |
| (PadlistARRAY(padlist)[1]) \ |
| ? AvARRAY(MUTABLE_AV((PadlistARRAY(padlist)[1])))[po] \ |
| : NULL; |
| |
| |
| #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,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")); |
| |
| #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))); |
| |
| #define PAD_RESTORE_LOCAL(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", \ |
| PTR2UV(PL_comppad), PTR2UV(PL_curpad))); |
| |
| |
| /* |
| =for apidoc m|void|CX_CURPAD_SAVE|struct context |
| 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 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(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. |
| |
| =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. |
| |
| =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. |
| |
| =for apidoc m|HV *|PAD_COMPNAME_OURSTASH|PADOFFSET po |
| Return the stash associated with an C<our> variable. |
| Assumes the slot entry is a valid C<our> lexical. |
| |
| =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). |
| |
| =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>. |
| =cut |
| |
| */ |
| |
| #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) PadnameTYPE(PAD_COMPNAME(po)) |
| |
| #define PAD_COMPNAME_OURSTASH(po) (PadnameOURSTASH(PAD_COMPNAME_SV(po))) |
| |
| #define PAD_COMPNAME_GEN(po) \ |
| ((STRLEN)PadnamelistARRAY(PL_comppad_name)[po]->xpadn_gen) |
| |
| #define PAD_COMPNAME_GEN_set(po, gen) \ |
| (PadnamelistARRAY(PL_comppad_name)[po]->xpadn_gen = (gen)) |
| |
| |
| /* |
| =for apidoc m|void|PAD_CLONE_VARS|PerlInterpreter *proto_perl|CLONE_PARAMS* param |
| Clone the state variables associated with running and compiling pads. |
| |
| =cut |
| */ |
| |
| /* 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 |
| * the following: |
| * threads->create(sub { threads->create(sub {...} ) } ); |
| * where the second thread dups the outer sub's comppad but not the |
| * sub's CV or padlist. */ |
| |
| #define PAD_CLONE_VARS(proto_perl, param) \ |
| PL_comppad = av_dup(proto_perl->Icomppad, param); \ |
| PL_curpad = PL_comppad ? AvARRAY(PL_comppad) : NULL; \ |
| 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_max_intro_pending = proto_perl->Imax_intro_pending; \ |
| PL_padix = proto_perl->Ipadix; \ |
| 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: |
| */ |
