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  ,   	ˆl—Ðz¾”Êe¶…6 ¸Û7}LZ7ÿÂ„^}Ÿ_†I|¥�+ÂÁ .u    	/*    scope.h
 *
 *    Copyright (C) 1993, 1994, 1996, 1997, 1998, 1999, 2000, 2001,
 *    2002, 2004, 2005, 2006, 2007, 2008 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.
 *
 */

/* *** Update arg_counts[] in scope.c if you modify these */

/* zero args */

#define SAVEt_ALLOC		0
#define SAVEt_CLEARPADRANGE	1
#define SAVEt_CLEARSV		2
#define SAVEt_REGCONTEXT	3

/* one arg */

#define SAVEt_TMPSFLOOR		4
#define SAVEt_BOOL		5
#define SAVEt_COMPILE_WARNINGS	6
#define SAVEt_COMPPAD		7
#define SAVEt_FREECOPHH		8
#define SAVEt_FREEOP		9
#define SAVEt_FREEPV		10
#define SAVEt_FREESV		11
#define SAVEt_I16		12
#define SAVEt_I32_SMALL		13
#define SAVEt_I8		14
#define SAVEt_INT_SMALL		15
#define SAVEt_MORTALIZESV	16
#define SAVEt_NSTAB		17
#define SAVEt_OP		18
#define SAVEt_PARSER		19
#define SAVEt_STACK_POS		20
#define SAVEt_READONLY_OFF	21
#define SAVEt_FREEPADNAME	22

/* two args */

#define SAVEt_AV		23
#define SAVEt_DESTRUCTOR	24
#define SAVEt_DESTRUCTOR_X	25
#define SAVEt_GENERIC_PVREF	26
#define SAVEt_GENERIC_SVREF	27
#define SAVEt_GP		28
#define SAVEt_GVSV		29
#define SAVEt_HINTS		30
#define SAVEt_HPTR		31
#define SAVEt_HV		32
#define SAVEt_I32		33
#define SAVEt_INT		34
#define SAVEt_ITEM		35
#define SAVEt_IV		36
#define SAVEt_LONG		37
#define SAVEt_PPTR		38
#define SAVEt_SAVESWITCHSTACK	39
#define SAVEt_SHARED_PVREF	40
#define SAVEt_SPTR		41
#define SAVEt_STRLEN		42
#define SAVEt_SV		43
#define SAVEt_SVREF		44
#define SAVEt_VPTR		45
#define SAVEt_ADELETE		46
#define SAVEt_APTR		47

/* three args */

#define SAVEt_HELEM		48
#define SAVEt_PADSV_AND_MORTALIZE 49
#define SAVEt_SET_SVFLAGS	50
#define SAVEt_GVSLOT		51
#define SAVEt_AELEM		52
#define SAVEt_DELETE		53


#define SAVEf_SETMAGIC		1
#define SAVEf_KEEPOLDELEM	2

#define SAVE_TIGHT_SHIFT	6
#define SAVE_MASK		0x3F

#define save_aelem(av,idx,sptr)	save_aelem_flags(av,idx,sptr,SAVEf_SETMAGIC)
#define save_helem(hv,key,sptr)	save_helem_flags(hv,key,sptr,SAVEf_SETMAGIC)

#ifndef SCOPE_SAVES_SIGNAL_MASK
#define SCOPE_SAVES_SIGNAL_MASK 0
#endif

/* the maximum number of entries that might be pushed using the SS_ADD*
 * macros */
#define SS_MAXPUSH 4

#define SSCHECK(need) if (UNLIKELY(PL_savestack_ix + (I32)(need) > PL_savestack_max)) savestack_grow()
#define SSGROW(need) if (UNLIKELY(PL_savestack_ix + (I32)(need) > PL_savestack_max)) savestack_grow_cnt(need)
#define SSPUSHINT(i) (PL_savestack[PL_savestack_ix++].any_i32 = (I32)(i))
#define SSPUSHLONG(i) (PL_savestack[PL_savestack_ix++].any_long = (long)(i))
#define SSPUSHBOOL(p) (PL_savestack[PL_savestack_ix++].any_bool = (p))
#define SSPUSHIV(i) (PL_savestack[PL_savestack_ix++].any_iv = (IV)(i))
#define SSPUSHUV(u) (PL_savestack[PL_savestack_ix++].any_uv = (UV)(u))
#define SSPUSHPTR(p) (PL_savestack[PL_savestack_ix++].any_ptr = (void*)(p))
#define SSPUSHDPTR(p) (PL_savestack[PL_savestack_ix++].any_dptr = (p))
#define SSPUSHDXPTR(p) (PL_savestack[PL_savestack_ix++].any_dxptr = (p))

/* SS_ADD*: newer, faster versions of the above. Don't mix the two sets of
 * macros. These are fast because they save reduce accesses to the PL_
 * vars and move the size check to the end. Doing the check last means
 * that values in registers will have been pushed and no longer needed, so
 * don't need saving around the call to grow. Also, tail-call elimination
 * of the grow() can be done. These changes reduce the code of something
 * like save_pushptrptr() to half its former size.
 * Of course, doing the size check *after* pushing means we must always
 * ensure there are SS_MAXPUSH free slots on the savestack. This ensured
 * bt savestack_grow() and savestack_grow_cnt always allocating SS_MAXPUSH
 * slots more than asked for, or that it sets PL_savestack_max to
 *
 * These are for internal core use only and are subjec