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<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
author HackBot
date Sat, 14 May 2016 14:54:38 +0000
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8045
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1 /* cv.h
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2 *
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3 * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2001,
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4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008 by Larry Wall and others
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5 *
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6 * You may distribute under the terms of either the GNU General Public
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7 * License or the Artistic License, as specified in the README file.
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8 *
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9 */
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10
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11 /* This structure must match the beginning of XPVFM in sv.h */
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12
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13 struct xpvcv {
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14 _XPV_HEAD;
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15 _XPVCV_COMMON;
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16 };
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17
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18 /*
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19 =head1 Handy Values
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20
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21 =for apidoc AmU||Nullcv
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22 Null CV pointer.
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23
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24 (deprecated - use C<(CV *)NULL> instead)
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25
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26 =head1 CV Manipulation Functions
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27
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28 This section documents functions to manipulate CVs which are code-values,
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29 or subroutines. For more information, see L<perlguts>.
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30
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31 =for apidoc Am|HV*|CvSTASH|CV* cv
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32 Returns the stash of the CV. A stash is the symbol table hash, containing
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33 the package-scoped variables in the package where the subroutine was defined.
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34 For more information, see L<perlguts>.
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35
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36 This also has a special use with XS AUTOLOAD subs.
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37 See L<perlguts/Autoloading with XSUBs>.
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38
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39 =cut
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40 */
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41
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42 #ifndef PERL_CORE
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43 # define Nullcv Null(CV*)
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44 #endif
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45
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46 #define CvSTASH(sv) (0+((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_stash)
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47 #define CvSTASH_set(cv,st) Perl_cvstash_set(aTHX_ cv, st)
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48 #define CvSTART(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_start_u.xcv_start
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49 #define CvROOT(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_root_u.xcv_root
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50 #define CvXSUB(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_root_u.xcv_xsub
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51 #define CvXSUBANY(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_start_u.xcv_xsubany
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52 #define CvGV(sv) S_CvGV(aTHX_ (CV *)(sv))
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53 #define CvGV_set(cv,gv) Perl_cvgv_set(aTHX_ cv, gv)
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54 #define CvHASGV(cv) cBOOL(SvANY(cv)->xcv_gv_u.xcv_gv)
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55 #define CvFILE(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_file
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56 #ifdef USE_ITHREADS
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57 # define CvFILE_set_from_cop(sv, cop) \
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58 (CvFILE(sv) = savepv(CopFILE(cop)), CvDYNFILE_on(sv))
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59 #else
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60 # define CvFILE_set_from_cop(sv, cop) \
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61 (CvFILE(sv) = CopFILE(cop), CvDYNFILE_off(sv))
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62 #endif
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63 #define CvFILEGV(sv) (gv_fetchfile(CvFILE(sv)))
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64 #define CvDEPTH(sv) (*S_CvDEPTHp((const CV *)sv))
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65 /* For use when you only have a XPVCV*, not a real CV*.
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66 Must be assert protected as in S_CvDEPTHp before use. */
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67 #define CvDEPTHunsafe(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_depth
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68
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69 /* these CvPADLIST/CvRESERVED asserts can be reverted one day, once stabilized */
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70 #define CvPADLIST(sv) (*(assert_(!CvISXSUB((CV*)(sv))) \
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71 &(((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_padlist_u.xcv_padlist)))
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72 /* CvPADLIST_set is not public API, it can be removed one day, once stabilized */
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73 #ifdef DEBUGGING
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74 # define CvPADLIST_set(sv, padlist) Perl_set_padlist((CV*)sv, padlist)
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75 #else
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76 # define CvPADLIST_set(sv, padlist) (CvPADLIST(sv) = (padlist))
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77 #endif
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78 #define CvHSCXT(sv) *(assert_(CvISXSUB((CV*)(sv))) \
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79 &(((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_padlist_u.xcv_hscxt))
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80 #ifdef DEBUGGING
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81 # if PTRSIZE == 8
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82 # define PoisonPADLIST(sv) \
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83 (((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_padlist_u.xcv_padlist = (PADLIST *)UINT64_C(0xEFEFEFEFEFEFEFEF))
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84 # elif PTRSIZE == 4
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85 # define PoisonPADLIST(sv) \
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86 (((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_padlist_u.xcv_padlist = (PADLIST *)0xEFEFEFEF)
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87 # else
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88 # error unknown pointer size
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89 # endif
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90 #else
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91 # define PoisonPADLIST(sv) NOOP
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92 #endif
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93
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94 #define CvOUTSIDE(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_outside
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95 #define CvOUTSIDE_SEQ(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_outside_seq
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96 #define CvFLAGS(sv) ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_flags
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97
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98 /* These two are sometimes called on non-CVs */
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99 #define CvPROTO(sv) \
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100 ( \
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101 SvPOK(sv) \
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102 ? SvTYPE(sv) == SVt_PVCV && CvAUTOLOAD(sv) \
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103 ? SvEND(sv)+1 : SvPVX_const(sv) \
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104 : NULL \
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105 )
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106 #define CvPROTOLEN(sv) \
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107 ( \
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108 SvPOK(sv) \
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109 ? SvTYPE(sv) == SVt_PVCV && CvAUTOLOAD(sv) \
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110 ? SvLEN(sv)-SvCUR(sv)-2 \
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111 : SvCUR(sv) \
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112 : 0 \
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113 )
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114
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115 #define CVf_METHOD 0x0001 /* CV is explicitly marked as a method */
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116 #define CVf_LVALUE 0x0002 /* CV return value can be used as lvalue */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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117 #define CVf_CONST 0x0004 /* inlinable sub */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
118 #define CVf_ISXSUB 0x0008 /* CV is an XSUB, not pure perl. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
119
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
120 #define CVf_WEAKOUTSIDE 0x0010 /* CvOUTSIDE isn't ref counted */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
121 #define CVf_CLONE 0x0020 /* anon CV uses external lexicals */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
122 #define CVf_CLONED 0x0040 /* a clone of one of those */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
123 #define CVf_ANON 0x0080 /* CV is not pointed to by a GV */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
124 #define CVf_UNIQUE 0x0100 /* sub is only called once (eg PL_main_cv,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
125 * require, eval). */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
126 #define CVf_NODEBUG 0x0200 /* no DB::sub indirection for this CV
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
127 (esp. useful for special XSUBs) */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
128 #define CVf_CVGV_RC 0x0400 /* CvGV is reference counted */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
129 #ifdef PERL_CORE
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
130 # define CVf_SLABBED 0x0800 /* Holds refcount on op slab */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
131 #endif
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
132 #define CVf_DYNFILE 0x1000 /* The filename isn't static */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
133 #define CVf_AUTOLOAD 0x2000 /* SvPVX contains AUTOLOADed sub name */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
134 #define CVf_HASEVAL 0x4000 /* contains string eval */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
135 #define CVf_NAMED 0x8000 /* Has a name HEK */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
136 #define CVf_LEXICAL 0x10000 /* Omit package from name */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
137 #define CVf_ANONCONST 0x20000 /* :const - create anonconst op */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
138
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
139 /* This symbol for optimised communication between toke.c and op.c: */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
140 #define CVf_BUILTIN_ATTRS (CVf_METHOD|CVf_LVALUE|CVf_ANONCONST)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
141
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
142 #define CvCLONE(cv) (CvFLAGS(cv) & CVf_CLONE)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
143 #define CvCLONE_on(cv) (CvFLAGS(cv) |= CVf_CLONE)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
144 #define CvCLONE_off(cv) (CvFLAGS(cv) &= ~CVf_CLONE)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
145
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
146 #define CvCLONED(cv) (CvFLAGS(cv) & CVf_CLONED)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
147 #define CvCLONED_on(cv) (CvFLAGS(cv) |= CVf_CLONED)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
148 #define CvCLONED_off(cv) (CvFLAGS(cv) &= ~CVf_CLONED)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
149
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
150 #define CvANON(cv) (CvFLAGS(cv) & CVf_ANON)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
151 #define CvANON_on(cv) (CvFLAGS(cv) |= CVf_ANON)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
152 #define CvANON_off(cv) (CvFLAGS(cv) &= ~CVf_ANON)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
153
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
154 /* CvEVAL or CvSPECIAL */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
155 #define CvUNIQUE(cv) (CvFLAGS(cv) & CVf_UNIQUE)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
156 #define CvUNIQUE_on(cv) (CvFLAGS(cv) |= CVf_UNIQUE)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
157 #define CvUNIQUE_off(cv) (CvFLAGS(cv) &= ~CVf_UNIQUE)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
158
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
159 #define CvNODEBUG(cv) (CvFLAGS(cv) & CVf_NODEBUG)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
160 #define CvNODEBUG_on(cv) (CvFLAGS(cv) |= CVf_NODEBUG)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
161 #define CvNODEBUG_off(cv) (CvFLAGS(cv) &= ~CVf_NODEBUG)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
162
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
163 #define CvMETHOD(cv) (CvFLAGS(cv) & CVf_METHOD)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
164 #define CvMETHOD_on(cv) (CvFLAGS(cv) |= CVf_METHOD)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
165 #define CvMETHOD_off(cv) (CvFLAGS(cv) &= ~CVf_METHOD)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
166
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
167 #define CvLVALUE(cv) (CvFLAGS(cv) & CVf_LVALUE)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
168 #define CvLVALUE_on(cv) (CvFLAGS(cv) |= CVf_LVALUE)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
169 #define CvLVALUE_off(cv) (CvFLAGS(cv) &= ~CVf_LVALUE)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
170
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
171 /* eval or PL_main_cv */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
172 #define CvEVAL(cv) (CvUNIQUE(cv) && !SvFAKE(cv))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
173 #define CvEVAL_on(cv) (CvUNIQUE_on(cv),SvFAKE_off(cv))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
174 #define CvEVAL_off(cv) CvUNIQUE_off(cv)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
175
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
176 /* BEGIN|CHECK|INIT|UNITCHECK|END */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
177 #define CvSPECIAL(cv) (CvUNIQUE(cv) && SvFAKE(cv))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
178 #define CvSPECIAL_on(cv) (CvUNIQUE_on(cv),SvFAKE_on(cv))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
179 #define CvSPECIAL_off(cv) (CvUNIQUE_off(cv),SvFAKE_off(cv))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
180
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
181 #define CvCONST(cv) (CvFLAGS(cv) & CVf_CONST)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
182 #define CvCONST_on(cv) (CvFLAGS(cv) |= CVf_CONST)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
183 #define CvCONST_off(cv) (CvFLAGS(cv) &= ~CVf_CONST)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
184
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
185 #define CvWEAKOUTSIDE(cv) (CvFLAGS(cv) & CVf_WEAKOUTSIDE)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
186 #define CvWEAKOUTSIDE_on(cv) (CvFLAGS(cv) |= CVf_WEAKOUTSIDE)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
187 #define CvWEAKOUTSIDE_off(cv) (CvFLAGS(cv) &= ~CVf_WEAKOUTSIDE)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
188
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
189 #define CvISXSUB(cv) (CvFLAGS(cv) & CVf_ISXSUB)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
190 #define CvISXSUB_on(cv) (CvFLAGS(cv) |= CVf_ISXSUB)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
191 #define CvISXSUB_off(cv) (CvFLAGS(cv) &= ~CVf_ISXSUB)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
192
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
193 #define CvCVGV_RC(cv) (CvFLAGS(cv) & CVf_CVGV_RC)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
194 #define CvCVGV_RC_on(cv) (CvFLAGS(cv) |= CVf_CVGV_RC)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
195 #define CvCVGV_RC_off(cv) (CvFLAGS(cv) &= ~CVf_CVGV_RC)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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196
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
197 #ifdef PERL_CORE
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
198 # define CvSLABBED(cv) (CvFLAGS(cv) & CVf_SLABBED)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
199 # define CvSLABBED_on(cv) (CvFLAGS(cv) |= CVf_SLABBED)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
200 # define CvSLABBED_off(cv) (CvFLAGS(cv) &= ~CVf_SLABBED)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
201 #endif
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
202
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
203 #define CvDYNFILE(cv) (CvFLAGS(cv) & CVf_DYNFILE)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
204 #define CvDYNFILE_on(cv) (CvFLAGS(cv) |= CVf_DYNFILE)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
205 #define CvDYNFILE_off(cv) (CvFLAGS(cv) &= ~CVf_DYNFILE)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
206
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
207 #define CvAUTOLOAD(cv) (CvFLAGS(cv) & CVf_AUTOLOAD)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
208 #define CvAUTOLOAD_on(cv) (CvFLAGS(cv) |= CVf_AUTOLOAD)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
209 #define CvAUTOLOAD_off(cv) (CvFLAGS(cv) &= ~CVf_AUTOLOAD)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
210
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
211 #define CvHASEVAL(cv) (CvFLAGS(cv) & CVf_HASEVAL)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
212 #define CvHASEVAL_on(cv) (CvFLAGS(cv) |= CVf_HASEVAL)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
213 #define CvHASEVAL_off(cv) (CvFLAGS(cv) &= ~CVf_HASEVAL)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
214
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
215 #define CvNAMED(cv) (CvFLAGS(cv) & CVf_NAMED)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
216 #define CvNAMED_on(cv) (CvFLAGS(cv) |= CVf_NAMED)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
217 #define CvNAMED_off(cv) (CvFLAGS(cv) &= ~CVf_NAMED)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
218
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
219 #define CvLEXICAL(cv) (CvFLAGS(cv) & CVf_LEXICAL)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
220 #define CvLEXICAL_on(cv) (CvFLAGS(cv) |= CVf_LEXICAL)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
221 #define CvLEXICAL_off(cv) (CvFLAGS(cv) &= ~CVf_LEXICAL)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
222
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
223 #define CvANONCONST(cv) (CvFLAGS(cv) & CVf_ANONCONST)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
224 #define CvANONCONST_on(cv) (CvFLAGS(cv) |= CVf_ANONCONST)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
225 #define CvANONCONST_off(cv) (CvFLAGS(cv) &= ~CVf_ANONCONST)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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226
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227 /* Flags for newXS_flags */
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228 #define XS_DYNAMIC_FILENAME 0x01 /* The filename isn't static */
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229
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230 PERL_STATIC_INLINE HEK *
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231 CvNAME_HEK(CV *sv)
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232 {
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233 return CvNAMED(sv)
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234 ? ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_gv_u.xcv_hek
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235 : 0;
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236 }
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237 /* This lowers the refernce count of the previous value, but does *not*
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238 increment the reference count of the new value. */
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239 #define CvNAME_HEK_set(cv, hek) ( \
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240 CvNAME_HEK((CV *)(cv)) \
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241 ? unshare_hek(SvANY((CV *)(cv))->xcv_gv_u.xcv_hek) \
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242 : (void)0, \
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243 ((XPVCV*)MUTABLE_PTR(SvANY(cv)))->xcv_gv_u.xcv_hek = (hek), \
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244 CvNAMED_on(cv) \
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245 )
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246
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247 /*
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248 =head1 CV reference counts and CvOUTSIDE
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249
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250 =for apidoc m|bool|CvWEAKOUTSIDE|CV *cv
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251
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252 Each CV has a pointer, C<CvOUTSIDE()>, to its lexically enclosing
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253 CV (if any). Because pointers to anonymous sub prototypes are
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254 stored in C<&> pad slots, it is a possible to get a circular reference,
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255 with the parent pointing to the child and vice-versa. To avoid the
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256 ensuing memory leak, we do not increment the reference count of the CV
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257 pointed to by C<CvOUTSIDE> in the I<one specific instance> that the parent
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258 has a C<&> pad slot pointing back to us. In this case, we set the
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259 C<CvWEAKOUTSIDE> flag in the child. This allows us to determine under what
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260 circumstances we should decrement the refcount of the parent when freeing
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261 the child.
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262
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263 There is a further complication with non-closure anonymous subs (i.e. those
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264 that do not refer to any lexicals outside that sub). In this case, the
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265 anonymous prototype is shared rather than being cloned. This has the
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266 consequence that the parent may be freed while there are still active
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267 children, eg
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268
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269 BEGIN { $a = sub { eval '$x' } }
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270
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271 In this case, the BEGIN is freed immediately after execution since there
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272 are no active references to it: the anon sub prototype has
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273 C<CvWEAKOUTSIDE> set since it's not a closure, and $a points to the same
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274 CV, so it doesn't contribute to BEGIN's refcount either. When $a is
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275 executed, the C<eval '$x'> causes the chain of C<CvOUTSIDE>s to be followed,
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276 and the freed BEGIN is accessed.
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277
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278 To avoid this, whenever a CV and its associated pad is freed, any
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279 C<&> entries in the pad are explicitly removed from the pad, and if the
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280 refcount of the pointed-to anon sub is still positive, then that
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281 child's C<CvOUTSIDE> is set to point to its grandparent. This will only
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282 occur in the single specific case of a non-closure anon prototype
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283 having one or more active references (such as C<$a> above).
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284
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285 One other thing to consider is that a CV may be merely undefined
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286 rather than freed, eg C<undef &foo>. In this case, its refcount may
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287 not have reached zero, but we still delete its pad and its C<CvROOT> etc.
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288 Since various children may still have their C<CvOUTSIDE> pointing at this
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289 undefined CV, we keep its own C<CvOUTSIDE> for the time being, so that
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290 the chain of lexical scopes is unbroken. For example, the following
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291 should print 123:
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292
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293 my $x = 123;
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294 sub tmp { sub { eval '$x' } }
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295 my $a = tmp();
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296 undef &tmp;
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297 print $a->();
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298
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299 =cut
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300 */
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301
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302 typedef OP *(*Perl_call_checker)(pTHX_ OP *, GV *, SV *);
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303
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304 #define CALL_CHECKER_REQUIRE_GV MGf_REQUIRE_GV
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305
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306 #define CV_NAME_NOTQUAL 1
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307
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308 #ifdef PERL_CORE
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309 # define CV_UNDEF_KEEP_NAME 1
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310 #endif
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311
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312 /*
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313 * ex: set ts=8 sts=4 sw=4 et:
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314 */