| 1 | /*    pp.h | 
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| 2 | * | 
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| 3 | *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, | 
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| 4 | *    2000, 2001, 2002, 2003, 2004, 2005 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 | #ifdef USE_5005THREADS | 
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| 12 | #define ARGS thr | 
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| 13 | #define dARGS struct perl_thread *thr; | 
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| 14 | #else | 
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| 15 | #define ARGS | 
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| 16 | #define dARGS | 
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| 17 | #endif /* USE_5005THREADS */ | 
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| 18 |  | 
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| 19 | #define PP(s) OP * Perl_##s(pTHX) | 
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| 20 |  | 
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| 21 | /* | 
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| 22 | =head1 Stack Manipulation Macros | 
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| 23 |  | 
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| 24 | =for apidoc AmU||SP | 
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| 25 | Stack pointer.  This is usually handled by C<xsubpp>.  See C<dSP> and | 
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| 26 | C<SPAGAIN>. | 
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| 27 |  | 
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| 28 | =for apidoc AmU||MARK | 
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| 29 | Stack marker variable for the XSUB.  See C<dMARK>. | 
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| 30 |  | 
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| 31 | =for apidoc Am|void|PUSHMARK|SP | 
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| 32 | Opening bracket for arguments on a callback.  See C<PUTBACK> and | 
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| 33 | L<perlcall>. | 
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| 34 |  | 
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| 35 | =for apidoc Ams||dSP | 
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| 36 | Declares a local copy of perl's stack pointer for the XSUB, available via | 
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| 37 | the C<SP> macro.  See C<SP>. | 
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| 38 |  | 
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| 39 | =for apidoc ms||djSP | 
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| 40 |  | 
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| 41 | Declare Just C<SP>. This is actually identical to C<dSP>, and declares | 
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| 42 | a local copy of perl's stack pointer, available via the C<SP> macro. | 
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| 43 | See C<SP>.  (Available for backward source code compatibility with the | 
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| 44 | old (Perl 5.005) thread model.) | 
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| 45 |  | 
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| 46 | =for apidoc Ams||dMARK | 
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| 47 | Declare a stack marker variable, C<mark>, for the XSUB.  See C<MARK> and | 
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| 48 | C<dORIGMARK>. | 
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| 49 |  | 
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| 50 | =for apidoc Ams||dORIGMARK | 
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| 51 | Saves the original stack mark for the XSUB.  See C<ORIGMARK>. | 
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| 52 |  | 
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| 53 | =for apidoc AmU||ORIGMARK | 
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| 54 | The original stack mark for the XSUB.  See C<dORIGMARK>. | 
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| 55 |  | 
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| 56 | =for apidoc Ams||SPAGAIN | 
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| 57 | Refetch the stack pointer.  Used after a callback.  See L<perlcall>. | 
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| 58 |  | 
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| 59 | =cut */ | 
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| 60 |  | 
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| 61 | #undef SP /* Solaris 2.7 i386 has this in /usr/include/sys/reg.h */ | 
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| 62 | #define SP sp | 
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| 63 | #define MARK mark | 
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| 64 | #define TARG targ | 
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| 65 |  | 
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| 66 | #define PUSHMARK(p)     \ | 
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| 67 | STMT_START {                                    \ | 
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| 68 | if (++PL_markstack_ptr == PL_markstack_max) \ | 
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| 69 | markstack_grow();                           \ | 
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| 70 | *PL_markstack_ptr = (p) - PL_stack_base;    \ | 
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| 71 | } STMT_END | 
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| 72 |  | 
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| 73 | #define TOPMARK         (*PL_markstack_ptr) | 
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| 74 | #define POPMARK         (*PL_markstack_ptr--) | 
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| 75 |  | 
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| 76 | #define dSP             register SV **sp = PL_stack_sp | 
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| 77 | #define djSP            dSP | 
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| 78 | #define dMARK           register SV **mark = PL_stack_base + POPMARK | 
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| 79 | #define dORIGMARK       const I32 origmark = mark - PL_stack_base | 
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| 80 | #define ORIGMARK        (PL_stack_base + origmark) | 
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| 81 |  | 
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| 82 | #define SPAGAIN         sp = PL_stack_sp | 
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| 83 | #define MSPAGAIN        STMT_START { sp = PL_stack_sp; mark = ORIGMARK; } STMT_END | 
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| 84 |  | 
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| 85 | #define GETTARGETSTACKED targ = (PL_op->op_flags & OPf_STACKED ? POPs : PAD_SV(PL_op->op_targ)) | 
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| 86 | #define dTARGETSTACKED SV * GETTARGETSTACKED | 
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| 87 |  | 
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| 88 | #define GETTARGET targ = PAD_SV(PL_op->op_targ) | 
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| 89 | #define dTARGET SV * GETTARGET | 
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| 90 |  | 
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| 91 | #define GETATARGET targ = (PL_op->op_flags & OPf_STACKED ? sp[-1] : PAD_SV(PL_op->op_targ)) | 
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| 92 | #define dATARGET SV * GETATARGET | 
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| 93 |  | 
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| 94 | #define dTARG SV *targ | 
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| 95 |  | 
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| 96 | #define NORMAL PL_op->op_next | 
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| 97 | #define DIE return Perl_die | 
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| 98 | #ifndef PERL_CORE | 
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| 99 | #  define DIE_NULL return DieNull | 
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| 100 | #endif | 
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| 101 |  | 
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| 102 | /* | 
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| 103 | =for apidoc Ams||PUTBACK | 
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| 104 | Closing bracket for XSUB arguments.  This is usually handled by C<xsubpp>. | 
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| 105 | See C<PUSHMARK> and L<perlcall> for other uses. | 
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| 106 |  | 
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| 107 | =for apidoc Amn|SV*|POPs | 
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| 108 | Pops an SV off the stack. | 
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| 109 |  | 
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| 110 | =for apidoc Amn|char*|POPp | 
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| 111 | Pops a string off the stack. Deprecated. New code should use POPpx. | 
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| 112 |  | 
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| 113 | =for apidoc Amn|char*|POPpx | 
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| 114 | Pops a string off the stack. | 
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| 115 |  | 
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| 116 | =for apidoc Amn|char*|POPpbytex | 
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| 117 | Pops a string off the stack which must consist of bytes i.e. characters < 256. | 
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| 118 |  | 
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| 119 | =for apidoc Amn|NV|POPn | 
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| 120 | Pops a double off the stack. | 
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| 121 |  | 
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| 122 | =for apidoc Amn|IV|POPi | 
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| 123 | Pops an integer off the stack. | 
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| 124 |  | 
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| 125 | =for apidoc Amn|long|POPl | 
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| 126 | Pops a long off the stack. | 
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| 127 |  | 
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| 128 | =cut | 
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| 129 | */ | 
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| 130 |  | 
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| 131 | #define PUTBACK         PL_stack_sp = sp | 
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| 132 | #define RETURN          return PUTBACK, NORMAL | 
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| 133 | #define RETURNOP(o)     return PUTBACK, o | 
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| 134 | #define RETURNX(x)      return x, PUTBACK, NORMAL | 
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| 135 |  | 
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| 136 | #define POPs            (*sp--) | 
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| 137 | #define POPp            (SvPVx(POPs, PL_na))            /* deprecated */ | 
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| 138 | #define POPpx           (SvPVx_nolen(POPs)) | 
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| 139 | #define POPpconstx      (SvPVx_nolen_const(POPs)) | 
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| 140 | #define POPpbytex       (SvPVbytex_nolen(POPs)) | 
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| 141 | #define POPn            (SvNVx(POPs)) | 
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| 142 | #define POPi            ((IV)SvIVx(POPs)) | 
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| 143 | #define POPu            ((UV)SvUVx(POPs)) | 
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| 144 | #define POPl            ((long)SvIVx(POPs)) | 
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| 145 | #define POPul           ((unsigned long)SvIVx(POPs)) | 
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| 146 | #ifdef HAS_QUAD | 
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| 147 | #define POPq            ((Quad_t)SvIVx(POPs)) | 
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| 148 | #define POPuq           ((Uquad_t)SvUVx(POPs)) | 
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| 149 | #endif | 
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| 150 |  | 
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| 151 | #define TOPs            (*sp) | 
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| 152 | #define TOPm1s          (*(sp-1)) | 
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| 153 | #define TOPp1s          (*(sp+1)) | 
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| 154 | #define TOPp            (SvPV(TOPs, PL_na))             /* deprecated */ | 
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| 155 | #define TOPpx           (SvPV_nolen(TOPs)) | 
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| 156 | #define TOPn            (SvNV(TOPs)) | 
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| 157 | #define TOPi            ((IV)SvIV(TOPs)) | 
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| 158 | #define TOPu            ((UV)SvUV(TOPs)) | 
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| 159 | #define TOPl            ((long)SvIV(TOPs)) | 
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| 160 | #define TOPul           ((unsigned long)SvUV(TOPs)) | 
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| 161 | #ifdef HAS_QUAD | 
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| 162 | #define TOPq            ((Quad_t)SvIV(TOPs)) | 
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| 163 | #define TOPuq           ((Uquad_t)SvUV(TOPs)) | 
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| 164 | #endif | 
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| 165 |  | 
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| 166 | /* Go to some pains in the rare event that we must extend the stack. */ | 
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| 167 |  | 
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| 168 | /* | 
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| 169 | =for apidoc Am|void|EXTEND|SP|int nitems | 
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| 170 | Used to extend the argument stack for an XSUB's return values. Once | 
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| 171 | used, guarantees that there is room for at least C<nitems> to be pushed | 
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| 172 | onto the stack. | 
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| 173 |  | 
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| 174 | =for apidoc Am|void|PUSHs|SV* sv | 
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| 175 | Push an SV onto the stack.  The stack must have room for this element. | 
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| 176 | Does not handle 'set' magic.  Does not use C<TARG>.  See also C<PUSHmortal>, | 
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| 177 | C<XPUSHs> and C<XPUSHmortal>. | 
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| 178 |  | 
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| 179 | =for apidoc Am|void|PUSHp|char* str|STRLEN len | 
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| 180 | Push a string onto the stack.  The stack must have room for this element. | 
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| 181 | The C<len> indicates the length of the string.  Handles 'set' magic.  Uses | 
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| 182 | C<TARG>, so C<dTARGET> or C<dXSTARG> should be called to declare it.  Do not | 
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| 183 | call multiple C<TARG>-oriented macros to return lists from XSUB's - see | 
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| 184 | C<mPUSHp> instead.  See also C<XPUSHp> and C<mXPUSHp>. | 
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| 185 |  | 
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| 186 | =for apidoc Am|void|PUSHn|NV nv | 
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| 187 | Push a double onto the stack.  The stack must have room for this element. | 
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| 188 | Handles 'set' magic.  Uses C<TARG>, so C<dTARGET> or C<dXSTARG> should be | 
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| 189 | called to declare it.  Do not call multiple C<TARG>-oriented macros to | 
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| 190 | return lists from XSUB's - see C<mPUSHn> instead.  See also C<XPUSHn> and | 
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| 191 | C<mXPUSHn>. | 
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| 192 |  | 
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| 193 | =for apidoc Am|void|PUSHi|IV iv | 
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| 194 | Push an integer onto the stack.  The stack must have room for this element. | 
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| 195 | Handles 'set' magic.  Uses C<TARG>, so C<dTARGET> or C<dXSTARG> should be | 
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| 196 | called to declare it.  Do not call multiple C<TARG>-oriented macros to | 
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| 197 | return lists from XSUB's - see C<mPUSHi> instead.  See also C<XPUSHi> and | 
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| 198 | C<mXPUSHi>. | 
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| 199 |  | 
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| 200 | =for apidoc Am|void|PUSHu|UV uv | 
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| 201 | Push an unsigned integer onto the stack.  The stack must have room for this | 
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| 202 | element.  Handles 'set' magic.  Uses C<TARG>, so C<dTARGET> or C<dXSTARG> | 
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| 203 | should be called to declare it.  Do not call multiple C<TARG>-oriented | 
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| 204 | macros to return lists from XSUB's - see C<mPUSHu> instead.  See also | 
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| 205 | C<XPUSHu> and C<mXPUSHu>. | 
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| 206 |  | 
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| 207 | =for apidoc Am|void|XPUSHs|SV* sv | 
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| 208 | Push an SV onto the stack, extending the stack if necessary.  Does not | 
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| 209 | handle 'set' magic.  Does not use C<TARG>.  See also C<XPUSHmortal>, | 
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| 210 | C<PUSHs> and C<PUSHmortal>. | 
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| 211 |  | 
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| 212 | =for apidoc Am|void|XPUSHp|char* str|STRLEN len | 
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| 213 | Push a string onto the stack, extending the stack if necessary.  The C<len> | 
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| 214 | indicates the length of the string.  Handles 'set' magic.  Uses C<TARG>, so | 
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| 215 | C<dTARGET> or C<dXSTARG> should be called to declare it.  Do not call | 
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| 216 | multiple C<TARG>-oriented macros to return lists from XSUB's - see | 
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| 217 | C<mXPUSHp> instead.  See also C<PUSHp> and C<mPUSHp>. | 
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| 218 |  | 
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| 219 | =for apidoc Am|void|XPUSHn|NV nv | 
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| 220 | Push a double onto the stack, extending the stack if necessary.  Handles | 
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| 221 | 'set' magic.  Uses C<TARG>, so C<dTARGET> or C<dXSTARG> should be called to | 
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| 222 | declare it.  Do not call multiple C<TARG>-oriented macros to return lists | 
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| 223 | from XSUB's - see C<mXPUSHn> instead.  See also C<PUSHn> and C<mPUSHn>. | 
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| 224 |  | 
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| 225 | =for apidoc Am|void|XPUSHi|IV iv | 
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| 226 | Push an integer onto the stack, extending the stack if necessary.  Handles | 
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| 227 | 'set' magic.  Uses C<TARG>, so C<dTARGET> or C<dXSTARG> should be called to | 
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| 228 | declare it.  Do not call multiple C<TARG>-oriented macros to return lists | 
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| 229 | from XSUB's - see C<mXPUSHi> instead.  See also C<PUSHi> and C<mPUSHi>. | 
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| 230 |  | 
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| 231 | =for apidoc Am|void|XPUSHu|UV uv | 
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| 232 | Push an unsigned integer onto the stack, extending the stack if necessary. | 
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| 233 | Handles 'set' magic.  Uses C<TARG>, so C<dTARGET> or C<dXSTARG> should be | 
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| 234 | called to declare it.  Do not call multiple C<TARG>-oriented macros to | 
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| 235 | return lists from XSUB's - see C<mXPUSHu> instead.  See also C<PUSHu> and | 
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| 236 | C<mPUSHu>. | 
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| 237 |  | 
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| 238 | =for apidoc Am|void|PUSHmortal | 
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| 239 | Push a new mortal SV onto the stack.  The stack must have room for this | 
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| 240 | element.  Does not handle 'set' magic.  Does not use C<TARG>.  See also | 
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| 241 | C<PUSHs>, C<XPUSHmortal> and C<XPUSHs>. | 
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| 242 |  | 
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| 243 | =for apidoc Am|void|mPUSHp|char* str|STRLEN len | 
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| 244 | Push a string onto the stack.  The stack must have room for this element. | 
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| 245 | The C<len> indicates the length of the string.  Handles 'set' magic.  Does | 
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| 246 | not use C<TARG>.  See also C<PUSHp>, C<mXPUSHp> and C<XPUSHp>. | 
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| 247 |  | 
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| 248 | =for apidoc Am|void|mPUSHn|NV nv | 
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| 249 | Push a double onto the stack.  The stack must have room for this element. | 
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| 250 | Handles 'set' magic.  Does not use C<TARG>.  See also C<PUSHn>, C<mXPUSHn> | 
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| 251 | and C<XPUSHn>. | 
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| 252 |  | 
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| 253 | =for apidoc Am|void|mPUSHi|IV iv | 
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| 254 | Push an integer onto the stack.  The stack must have room for this element. | 
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| 255 | Handles 'set' magic.  Does not use C<TARG>.  See also C<PUSHi>, C<mXPUSHi> | 
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| 256 | and C<XPUSHi>. | 
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| 257 |  | 
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| 258 | =for apidoc Am|void|mPUSHu|UV uv | 
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| 259 | Push an unsigned integer onto the stack.  The stack must have room for this | 
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| 260 | element.  Handles 'set' magic.  Does not use C<TARG>.  See also C<PUSHu>, | 
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| 261 | C<mXPUSHu> and C<XPUSHu>. | 
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| 262 |  | 
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| 263 | =for apidoc Am|void|XPUSHmortal | 
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| 264 | Push a new mortal SV onto the stack, extending the stack if necessary.  Does | 
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| 265 | not handle 'set' magic.  Does not use C<TARG>.  See also C<XPUSHs>, | 
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| 266 | C<PUSHmortal> and C<PUSHs>. | 
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| 267 |  | 
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| 268 | =for apidoc Am|void|mXPUSHp|char* str|STRLEN len | 
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| 269 | Push a string onto the stack, extending the stack if necessary.  The C<len> | 
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| 270 | indicates the length of the string.  Handles 'set' magic.  Does not use | 
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| 271 | C<TARG>.  See also C<XPUSHp>, C<mPUSHp> and C<PUSHp>. | 
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| 272 |  | 
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| 273 | =for apidoc Am|void|mXPUSHn|NV nv | 
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| 274 | Push a double onto the stack, extending the stack if necessary.  Handles | 
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| 275 | 'set' magic.  Does not use C<TARG>.  See also C<XPUSHn>, C<mPUSHn> and | 
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| 276 | C<PUSHn>. | 
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| 277 |  | 
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| 278 | =for apidoc Am|void|mXPUSHi|IV iv | 
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| 279 | Push an integer onto the stack, extending the stack if necessary.  Handles | 
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| 280 | 'set' magic.  Does not use C<TARG>.  See also C<XPUSHi>, C<mPUSHi> and | 
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| 281 | C<PUSHi>. | 
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| 282 |  | 
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| 283 | =for apidoc Am|void|mXPUSHu|UV uv | 
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| 284 | Push an unsigned integer onto the stack, extending the stack if necessary. | 
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| 285 | Handles 'set' magic.  Does not use C<TARG>.  See also C<XPUSHu>, C<mPUSHu> | 
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| 286 | and C<PUSHu>. | 
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| 287 |  | 
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| 288 | =cut | 
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| 289 | */ | 
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| 290 |  | 
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| 291 | #define EXTEND(p,n)     STMT_START { if (PL_stack_max - p < (int)(n)) {         \ | 
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| 292 | sp = stack_grow(sp,p, (int) (n));           \ | 
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| 293 | } } STMT_END | 
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| 294 |  | 
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| 295 | /* Same thing, but update mark register too. */ | 
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| 296 | #define MEXTEND(p,n)    STMT_START {if (PL_stack_max - p < (int)(n)) {  \ | 
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| 297 | const int markoff = mark - PL_stack_base;   \ | 
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| 298 | sp = stack_grow(sp,p,(int) (n));            \ | 
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| 299 | mark = PL_stack_base + markoff;             \ | 
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| 300 | } } STMT_END | 
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| 301 |  | 
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| 302 | #define PUSHs(s)        (*++sp = (s)) | 
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| 303 | #define PUSHTARG        STMT_START { SvSETMAGIC(TARG); PUSHs(TARG); } STMT_END | 
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| 304 | #define PUSHp(p,l)      STMT_START { sv_setpvn(TARG, (p), (l)); PUSHTARG; } STMT_END | 
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| 305 | #define PUSHn(n)        STMT_START { sv_setnv(TARG, (NV)(n)); PUSHTARG; } STMT_END | 
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| 306 | #define PUSHi(i)        STMT_START { sv_setiv(TARG, (IV)(i)); PUSHTARG; } STMT_END | 
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| 307 | #define PUSHu(u)        STMT_START { sv_setuv(TARG, (UV)(u)); PUSHTARG; } STMT_END | 
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| 308 |  | 
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| 309 | #define XPUSHs(s)       STMT_START { EXTEND(sp,1); (*++sp = (s)); } STMT_END | 
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| 310 | #define XPUSHTARG       STMT_START { SvSETMAGIC(TARG); XPUSHs(TARG); } STMT_END | 
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| 311 | #define XPUSHp(p,l)     STMT_START { sv_setpvn(TARG, (p), (l)); XPUSHTARG; } STMT_END | 
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| 312 | #define XPUSHn(n)       STMT_START { sv_setnv(TARG, (NV)(n)); XPUSHTARG; } STMT_END | 
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| 313 | #define XPUSHi(i)       STMT_START { sv_setiv(TARG, (IV)(i)); XPUSHTARG; } STMT_END | 
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| 314 | #define XPUSHu(u)       STMT_START { sv_setuv(TARG, (UV)(u)); XPUSHTARG; } STMT_END | 
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| 315 | #define XPUSHundef      STMT_START { SvOK_off(TARG); XPUSHs(TARG); } STMT_END | 
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| 316 |  | 
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| 317 | #define PUSHmortal      PUSHs(sv_newmortal()) | 
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| 318 | #define mPUSHp(p,l)     sv_setpvn_mg(PUSHmortal, (p), (l)) | 
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| 319 | #define mPUSHn(n)       sv_setnv_mg(PUSHmortal, (NV)(n)) | 
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| 320 | #define mPUSHi(i)       sv_setiv_mg(PUSHmortal, (IV)(i)) | 
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| 321 | #define mPUSHu(u)       sv_setuv_mg(PUSHmortal, (UV)(u)) | 
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| 322 |  | 
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| 323 | #define XPUSHmortal     XPUSHs(sv_newmortal()) | 
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| 324 | #define mXPUSHp(p,l)    STMT_START { EXTEND(sp,1); sv_setpvn_mg(PUSHmortal, (p), (l)); } STMT_END | 
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| 325 | #define mXPUSHn(n)      STMT_START { EXTEND(sp,1); sv_setnv_mg(PUSHmortal, (NV)(n)); } STMT_END | 
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| 326 | #define mXPUSHi(i)      STMT_START { EXTEND(sp,1); sv_setiv_mg(PUSHmortal, (IV)(i)); } STMT_END | 
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| 327 | #define mXPUSHu(u)      STMT_START { EXTEND(sp,1); sv_setuv_mg(PUSHmortal, (UV)(u)); } STMT_END | 
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| 328 |  | 
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| 329 | #define SETs(s)         (*sp = s) | 
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| 330 | #define SETTARG         STMT_START { SvSETMAGIC(TARG); SETs(TARG); } STMT_END | 
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| 331 | #define SETp(p,l)       STMT_START { sv_setpvn(TARG, (p), (l)); SETTARG; } STMT_END | 
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| 332 | #define SETn(n)         STMT_START { sv_setnv(TARG, (NV)(n)); SETTARG; } STMT_END | 
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| 333 | #define SETi(i)         STMT_START { sv_setiv(TARG, (IV)(i)); SETTARG; } STMT_END | 
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| 334 | #define SETu(u)         STMT_START { sv_setuv(TARG, (UV)(u)); SETTARG; } STMT_END | 
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| 335 |  | 
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| 336 | #define dTOPss          SV *sv = TOPs | 
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| 337 | #define dPOPss          SV *sv = POPs | 
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| 338 | #define dTOPnv          NV value = TOPn | 
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| 339 | #define dPOPnv          NV value = POPn | 
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| 340 | #define dTOPiv          IV value = TOPi | 
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| 341 | #define dPOPiv          IV value = POPi | 
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| 342 | #define dTOPuv          UV value = TOPu | 
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| 343 | #define dPOPuv          UV value = POPu | 
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| 344 | #ifdef HAS_QUAD | 
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| 345 | #define dTOPqv          Quad_t value = TOPu | 
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| 346 | #define dPOPqv          Quad_t value = POPu | 
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| 347 | #define dTOPuqv         Uquad_t value = TOPuq | 
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| 348 | #define dPOPuqv         Uquad_t value = POPuq | 
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| 349 | #endif | 
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| 350 |  | 
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| 351 | #define dPOPXssrl(X)    SV *right = POPs; SV *left = CAT2(X,s) | 
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| 352 | #define dPOPXnnrl(X)    NV right = POPn; NV left = CAT2(X,n) | 
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| 353 | #define dPOPXiirl(X)    IV right = POPi; IV left = CAT2(X,i) | 
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| 354 |  | 
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| 355 | #define USE_LEFT(sv) \ | 
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| 356 | (SvOK(sv) || SvGMAGICAL(sv) || !(PL_op->op_flags & OPf_STACKED)) | 
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| 357 | #define dPOPXnnrl_ul(X) \ | 
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| 358 | NV right = POPn;                            \ | 
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| 359 | SV *leftsv = CAT2(X,s);                             \ | 
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| 360 | NV left = USE_LEFT(leftsv) ? SvNV(leftsv) : 0.0 | 
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| 361 | #define dPOPXiirl_ul(X) \ | 
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| 362 | IV right = POPi;                                    \ | 
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| 363 | SV *leftsv = CAT2(X,s);                             \ | 
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| 364 | IV left = USE_LEFT(leftsv) ? SvIV(leftsv) : 0 | 
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| 365 |  | 
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| 366 | #define dPOPPOPssrl     dPOPXssrl(POP) | 
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| 367 | #define dPOPPOPnnrl     dPOPXnnrl(POP) | 
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| 368 | #define dPOPPOPnnrl_ul  dPOPXnnrl_ul(POP) | 
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| 369 | #define dPOPPOPiirl     dPOPXiirl(POP) | 
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| 370 | #define dPOPPOPiirl_ul  dPOPXiirl_ul(POP) | 
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| 371 |  | 
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| 372 | #define dPOPTOPssrl     dPOPXssrl(TOP) | 
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| 373 | #define dPOPTOPnnrl     dPOPXnnrl(TOP) | 
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| 374 | #define dPOPTOPnnrl_ul  dPOPXnnrl_ul(TOP) | 
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| 375 | #define dPOPTOPiirl     dPOPXiirl(TOP) | 
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| 376 | #define dPOPTOPiirl_ul  dPOPXiirl_ul(TOP) | 
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| 377 |  | 
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| 378 | #define RETPUSHYES      RETURNX(PUSHs(&PL_sv_yes)) | 
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| 379 | #define RETPUSHNO       RETURNX(PUSHs(&PL_sv_no)) | 
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| 380 | #define RETPUSHUNDEF    RETURNX(PUSHs(&PL_sv_undef)) | 
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| 381 |  | 
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| 382 | #define RETSETYES       RETURNX(SETs(&PL_sv_yes)) | 
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| 383 | #define RETSETNO        RETURNX(SETs(&PL_sv_no)) | 
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| 384 | #define RETSETUNDEF     RETURNX(SETs(&PL_sv_undef)) | 
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| 385 |  | 
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| 386 | #define ARGTARG         PL_op->op_targ | 
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| 387 |  | 
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| 388 | /* See OPpTARGET_MY: */ | 
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| 389 | #define MAXARG          (PL_op->op_private & 15) | 
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| 390 |  | 
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| 391 | #define SWITCHSTACK(f,t) \ | 
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| 392 | STMT_START {                                                        \ | 
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| 393 | AvFILLp(f) = sp - PL_stack_base;                                \ | 
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| 394 | PL_stack_base = AvARRAY(t);                                     \ | 
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| 395 | PL_stack_max = PL_stack_base + AvMAX(t);                        \ | 
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| 396 | sp = PL_stack_sp = PL_stack_base + AvFILLp(t);                  \ | 
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| 397 | PL_curstack = t;                                                \ | 
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| 398 | } STMT_END | 
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| 399 |  | 
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| 400 | #define EXTEND_MORTAL(n) \ | 
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| 401 | STMT_START {                                                        \ | 
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| 402 | if (PL_tmps_ix + (n) >= PL_tmps_max)                            \ | 
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| 403 | tmps_grow(n);                                               \ | 
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| 404 | } STMT_END | 
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| 405 |  | 
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| 406 | #define AMGf_noright    1 | 
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| 407 | #define AMGf_noleft     2 | 
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| 408 | #define AMGf_assign     4 | 
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| 409 | #define AMGf_unary      8 | 
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| 410 |  | 
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| 411 | #define tryAMAGICbinW(meth,assign,set) STMT_START { \ | 
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| 412 | if (PL_amagic_generation) { \ | 
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| 413 | SV* tmpsv; \ | 
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| 414 | SV* const right= *(sp); SV* const left= *(sp-1);\ | 
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| 415 | if ((SvAMAGIC(left)||SvAMAGIC(right))&&\ | 
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| 416 | (tmpsv=amagic_call(left, \ | 
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| 417 | right, \ | 
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| 418 | CAT2(meth,_amg), \ | 
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| 419 | (assign)? AMGf_assign: 0))) {\ | 
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| 420 | SPAGAIN; \ | 
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| 421 | (void)POPs; set(tmpsv); RETURN; } \ | 
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| 422 | } \ | 
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| 423 | } STMT_END | 
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| 424 |  | 
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| 425 | #define tryAMAGICbin(meth,assign) tryAMAGICbinW(meth,assign,SETsv) | 
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| 426 | #define tryAMAGICbinSET(meth,assign) tryAMAGICbinW(meth,assign,SETs) | 
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| 427 |  | 
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| 428 | #define AMG_CALLun(sv,meth) amagic_call(sv,&PL_sv_undef,  \ | 
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| 429 | CAT2(meth,_amg),AMGf_noright | AMGf_unary) | 
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| 430 | #define AMG_CALLbinL(left,right,meth) \ | 
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| 431 | amagic_call(left,right,CAT2(meth,_amg),AMGf_noright) | 
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| 432 |  | 
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| 433 | #define tryAMAGICunW(meth,set,shift,ret) STMT_START { \ | 
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| 434 | if (PL_amagic_generation) { \ | 
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| 435 | SV* tmpsv; \ | 
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| 436 | SV* arg= sp[shift]; \ | 
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| 437 | if(0) goto am_again;  /* shut up unused warning */ \ | 
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| 438 | am_again: \ | 
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| 439 | if ((SvAMAGIC(arg))&&\ | 
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| 440 | (tmpsv=AMG_CALLun(arg,meth))) {\ | 
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| 441 | SPAGAIN; if (shift) sp += shift; \ | 
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| 442 | set(tmpsv); ret; } \ | 
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| 443 | } \ | 
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| 444 | } STMT_END | 
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| 445 |  | 
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| 446 | #define FORCE_SETs(sv) STMT_START { sv_setsv(TARG, (sv)); SETTARG; } STMT_END | 
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| 447 |  | 
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| 448 | #define tryAMAGICun(meth)       tryAMAGICunW(meth,SETsvUN,0,RETURN) | 
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| 449 | #define tryAMAGICunSET(meth)    tryAMAGICunW(meth,SETs,0,RETURN) | 
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| 450 | #define tryAMAGICunTARGET(meth, shift)                                  \ | 
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| 451 | STMT_START { dSP; sp--;         /* get TARGET from below PL_stack_sp */         \ | 
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| 452 | { dTARGETSTACKED;                                           \ | 
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| 453 | { dSP; tryAMAGICunW(meth,FORCE_SETs,shift,RETURN);}}} STMT_END | 
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| 454 |  | 
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| 455 | #define setAGAIN(ref)   \ | 
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| 456 | STMT_START {                                        \ | 
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| 457 | sv = ref;                                       \ | 
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| 458 | if (!SvROK(ref))                                \ | 
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| 459 | Perl_croak(aTHX_ "Overloaded dereference did not return a reference");      \ | 
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| 460 | if (ref != arg && SvRV(ref) != SvRV(arg)) {     \ | 
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| 461 | arg = ref;                                  \ | 
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| 462 | goto am_again;                              \ | 
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| 463 | }                                               \ | 
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| 464 | } STMT_END | 
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| 465 |  | 
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| 466 | #define tryAMAGICunDEREF(meth) tryAMAGICunW(meth,setAGAIN,0,(void)0) | 
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| 467 |  | 
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| 468 | #define opASSIGN (PL_op->op_flags & OPf_STACKED) | 
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| 469 | #define SETsv(sv)       STMT_START {                                    \ | 
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| 470 | if (opASSIGN || (SvFLAGS(TARG) & SVs_PADMY))            \ | 
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| 471 | { sv_setsv(TARG, (sv)); SETTARG; }                   \ | 
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| 472 | else SETs(sv); } STMT_END | 
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| 473 |  | 
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| 474 | #define SETsvUN(sv)     STMT_START {                                    \ | 
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| 475 | if (SvFLAGS(TARG) & SVs_PADMY)          \ | 
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| 476 | { sv_setsv(TARG, (sv)); SETTARG; }                   \ | 
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| 477 | else SETs(sv); } STMT_END | 
|---|
| 478 |  | 
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| 479 | /* newSVsv does not behave as advertised, so we copy missing | 
|---|
| 480 | * information by hand */ | 
|---|
| 481 |  | 
|---|
| 482 | /* SV* ref causes confusion with the member variable | 
|---|
| 483 | changed SV* ref to SV* tmpRef */ | 
|---|
| 484 | #define RvDEEPCP(rv) STMT_START { SV* tmpRef=SvRV(rv);      \ | 
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| 485 | if (SvREFCNT(tmpRef)>1) {                 \ | 
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| 486 | SvRV_set(rv, AMG_CALLun(rv,copy));  \ | 
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| 487 | SvREFCNT_dec(tmpRef);                   \ | 
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| 488 | } } STMT_END | 
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| 489 |  | 
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| 490 | /* | 
|---|
| 491 | =for apidoc mU||LVRET | 
|---|
| 492 | True if this op will be the return value of an lvalue subroutine | 
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| 493 |  | 
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| 494 | =cut */ | 
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| 495 | #define LVRET ((PL_op->op_private & OPpMAYBE_LVSUB) && is_lvalue_sub()) | 
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| 496 |  | 
|---|
| 497 | /* | 
|---|
| 498 | * Local variables: | 
|---|
| 499 | * c-indentation-style: bsd | 
|---|
| 500 | * c-basic-offset: 4 | 
|---|
| 501 | * indent-tabs-mode: t | 
|---|
| 502 | * End: | 
|---|
| 503 | * | 
|---|
| 504 | * ex: set ts=8 sts=4 sw=4 noet: | 
|---|
| 505 | */ | 
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