X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/ac634a9a38fe527f538270bb24c9a19cd88f5947..97f88e98ef11d37351fa5dff900a7233f5a4d2ff:/pp.h diff --git a/pp.h b/pp.h index d58d187..9a909c8 100644 --- a/pp.h +++ b/pp.h @@ -1,23 +1,25 @@ /* pp.h * - * Copyright (c) 1991-2001, Larry Wall + * Copyright (c) 1991-2002, Larry Wall * * You may distribute under the terms of either the GNU General Public * License or the Artistic License, as specified in the README file. * */ -#ifdef USE_THREADS +#ifdef USE_5005THREADS #define ARGS thr #define dARGS struct perl_thread *thr; #else #define ARGS #define dARGS -#endif /* USE_THREADS */ +#endif /* USE_5005THREADS */ #define PP(s) OP * Perl_##s(pTHX) /* +=head1 Stack Manipulation Macros + =for apidoc AmU||SP Stack pointer. This is usually handled by C. See C and C. @@ -67,8 +69,8 @@ Refetch the stack pointer. Used after a callback. See L. #define TOPMARK (*PL_markstack_ptr) #define POPMARK (*PL_markstack_ptr--) -#define djSP register SV **sp = PL_stack_sp -#define dSP djSP +#define dSP register SV **sp = PL_stack_sp +#define djSP dSP #define dMARK register SV **mark = PL_stack_base + POPMARK #define dORIGMARK I32 origmark = mark - PL_stack_base #define SETORIGMARK origmark = mark - PL_stack_base @@ -100,7 +102,16 @@ See C and L for other uses. Pops an SV off the stack. =for apidoc Amn|char*|POPp +Pops a string off the stack. Deprecated. New code should provide +a STRLEN n_a and use POPpx. + +=for apidoc Amn|char*|POPpx Pops a string off the stack. +Requires a variable STRLEN n_a in scope. + +=for apidoc Amn|char*|POPpbytex +Pops a string off the stack which must consist of bytes i.e. characters < 256. +Requires a variable STRLEN n_a in scope. =for apidoc Amn|NV|POPn Pops a double off the stack. @@ -122,6 +133,7 @@ Pops a long off the stack. #define POPs (*sp--) #define POPp (SvPVx(POPs, PL_na)) /* deprecated */ #define POPpx (SvPVx(POPs, n_a)) +#define POPpbytex (SvPVbytex(POPs, n_a)) #define POPn (SvNVx(POPs)) #define POPi ((IV)SvIVx(POPs)) #define POPu ((UV)SvUVx(POPs)) @@ -334,6 +346,7 @@ See C. if (PL_amagic_generation) { \ SV* tmpsv; \ SV* arg= sp[shift]; \ + if(0) goto am_again; /* shut up unused warning */ \ am_again: \ if ((SvAMAGIC(arg))&&\ (tmpsv=AMG_CALLun(arg,meth))) {\