This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Mention perl 5.8.2-RC1 in perlhist, as spotted by Abigail.
[perl5.git] / xsutils.c
index 1d7a01a..622a49b 100644 (file)
--- a/xsutils.c
+++ b/xsutils.c
@@ -1,12 +1,18 @@
 /*    xsutils.c
  *
- *    Copyright (c) 1999-2002, Larry Wall
+ *    Copyright (C) 1999, 2000, 2001, 2002, 2003, by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
  *
  */
 
+/*
+ * "Perilous to us all are the devices of an art deeper than we possess
+ * ourselves." --Gandalf
+ */
+
+
 #include "EXTERN.h"
 #define PERL_IN_XSUTILS_C
 #include "perl.h"
@@ -66,6 +72,15 @@ modify_SV_attributes(pTHX_ SV *sv, SV **retlist, SV **attrlist, int numattrs)
            switch ((int)len) {
            case 6:
                switch (*name) {
+               case 'a':
+                   if (strEQ(name, "assertion")) {
+                       if (negated)
+                           CvFLAGS((CV*)sv) &= ~CVf_ASSERTION;
+                       else
+                           CvFLAGS((CV*)sv) |= CVf_ASSERTION;
+                       continue;
+                   }
+                   break;
                case 'l':
 #ifdef CVf_LVALUE
                    if (strEQ(name, "lvalue")) {
@@ -110,6 +125,14 @@ modify_SV_attributes(pTHX_ SV *sv, SV **retlist, SV **attrlist, int numattrs)
            switch ((int)len) {
            case 6:
                switch (*name) {
+               case 's':
+                   if (strEQ(name, "shared")) {
+                       if (negated)
+                           Perl_croak(aTHX_ "A variable may not be unshared");
+                       SvSHARE(sv);
+                        continue;
+                    }
+                   break;
                case 'u':
                    if (strEQ(name, "unique")) {
                        if (SvTYPE(sv) == SVt_PVGV) {
@@ -206,6 +229,8 @@ usage:
            XPUSHs(sv_2mortal(newSVpvn("method", 6)));
         if (GvUNIQUE(CvGV((CV*)sv)))
            XPUSHs(sv_2mortal(newSVpvn("unique", 6)));
+       if (cvflags & CVf_ASSERTION)
+           XPUSHs(sv_2mortal(newSVpvn("assertion", 9)));
        break;
     case SVt_PVGV:
        if (GvUNIQUE(sv))