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Update Filter::Util::Call to 1.08
[perl5.git] / xsutils.c
index 86fb0aa..3bc1f93 100644 (file)
--- a/xsutils.c
+++ b/xsutils.c
@@ -1,6 +1,6 @@
 /*    xsutils.c
  *
- *    Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+ *    Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
  *    by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
@@ -9,8 +9,10 @@
  */
 
 /*
- * "Perilous to us all are the devices of an art deeper than we possess
- * ourselves." --Gandalf
+ * 'Perilous to us all are the devices of an art deeper than we possess
+ *  ourselves.'                                            --Gandalf
+ *
+ *     [p.597 of _The Lord of the Rings_, III/xi: "The Palantír"]
  */
 
 
@@ -23,7 +25,6 @@
  */
 
 /* package attributes; */
-PERL_XS_EXPORT_C void XS_attributes__warn_reserved(pTHX_ CV *cv);
 PERL_XS_EXPORT_C void XS_attributes_reftype(pTHX_ CV *cv);
 PERL_XS_EXPORT_C void XS_attributes__modify_attrs(pTHX_ CV *cv);
 PERL_XS_EXPORT_C void XS_attributes__guess_stash(pTHX_ CV *cv);
@@ -72,45 +73,34 @@ modify_SV_attributes(pTHX_ SV *sv, SV **retlist, SV **attrlist, int numattrs)
        switch (SvTYPE(sv)) {
        case SVt_PVCV:
            switch ((int)len) {
-#ifdef CVf_ASSERTION
-           case 9:
-               if (memEQ(name, "assertion", 9)) {
-                   if (negated)
-                       CvFLAGS((CV*)sv) &= ~CVf_ASSERTION;
-                   else
-                       CvFLAGS((CV*)sv) |= CVf_ASSERTION;
-                   continue;
-               }
-               break;
-#endif
            case 6:
                switch (name[3]) {
-               case 'l':
 #ifdef CVf_LVALUE
+               case 'l':
                    if (memEQ(name, "lvalue", 6)) {
                        if (negated)
-                           CvFLAGS((CV*)sv) &= ~CVf_LVALUE;
+                           CvFLAGS(MUTABLE_CV(sv)) &= ~CVf_LVALUE;
                        else
-                           CvFLAGS((CV*)sv) |= CVf_LVALUE;
+                           CvFLAGS(MUTABLE_CV(sv)) |= CVf_LVALUE;
                        continue;
                    }
                    break;
+#endif
                case 'k':
-#endif /* defined CVf_LVALUE */
                    if (memEQ(name, "locked", 6)) {
                        if (negated)
-                           CvFLAGS((CV*)sv) &= ~CVf_LOCKED;
+                           CvFLAGS(MUTABLE_CV(sv)) &= ~CVf_LOCKED;
                        else
-                           CvFLAGS((CV*)sv) |= CVf_LOCKED;
+                           CvFLAGS(MUTABLE_CV(sv)) |= CVf_LOCKED;
                        continue;
                    }
                    break;
                case 'h':
                    if (memEQ(name, "method", 6)) {
                        if (negated)
-                           CvFLAGS((CV*)sv) &= ~CVf_METHOD;
+                           CvFLAGS(MUTABLE_CV(sv)) &= ~CVf_METHOD;
                        else
-                           CvFLAGS((CV*)sv) |= CVf_METHOD;
+                           CvFLAGS(MUTABLE_CV(sv)) |= CVf_METHOD;
                        continue;
                    }
                    break;
@@ -132,7 +122,7 @@ modify_SV_attributes(pTHX_ SV *sv, SV **retlist, SV **attrlist, int numattrs)
                    break;
                case 'e':
                    if (memEQ(name, "uniqu", 5)) {
-                       if (SvTYPE(sv) == SVt_PVGV) {
+                       if (isGV_with_GP(sv)) {
                            if (negated) {
                                GvUNIQUE_off(sv);
                            } else {
@@ -164,9 +154,8 @@ XS(XS_attributes_bootstrap)
     dXSARGS;
 
     if( items > 1 )
-        Perl_croak(aTHX_ "Usage: attributes::bootstrap $module");
+       croak_xs_usage(cv, "$module");
 
-    newXSproto("attributes::_warn_reserved", XS_attributes__warn_reserved, file, "");
     newXS("attributes::_modify_attrs", XS_attributes__modify_attrs,    file);
     newXSproto("attributes::_guess_stash", XS_attributes__guess_stash, file, "$");
     newXSproto("attributes::_fetch_attrs", XS_attributes__fetch_attrs, file, "$");
@@ -183,8 +172,7 @@ XS(XS_attributes__modify_attrs)
 
     if (items < 1) {
 usage:
-       Perl_croak(aTHX_
-                  "Usage: attributes::_modify_attrs $reference, @attributes");
+       croak_xs_usage(cv, "@attributes");
     }
 
     rv = ST(0);
@@ -206,8 +194,7 @@ XS(XS_attributes__fetch_attrs)
 
     if (items != 1) {
 usage:
-       Perl_croak(aTHX_
-                  "Usage: attributes::_fetch_attrs $reference");
+       croak_xs_usage(cv, "$reference");
     }
 
     rv = ST(0);
@@ -218,23 +205,21 @@ usage:
 
     switch (SvTYPE(sv)) {
     case SVt_PVCV:
-       cvflags = CvFLAGS((CV*)sv);
+       cvflags = CvFLAGS((const CV *)sv);
        if (cvflags & CVf_LOCKED)
-           XPUSHs(sv_2mortal(newSVpvs("locked")));
+           XPUSHs(newSVpvs_flags("locked", SVs_TEMP));
 #ifdef CVf_LVALUE
        if (cvflags & CVf_LVALUE)
-           XPUSHs(sv_2mortal(newSVpvs("lvalue")));
+           XPUSHs(newSVpvs_flags("lvalue", SVs_TEMP));
 #endif
        if (cvflags & CVf_METHOD)
-           XPUSHs(sv_2mortal(newSVpvs("method")));
-        if (GvUNIQUE(CvGV((CV*)sv)))
-           XPUSHs(sv_2mortal(newSVpvs("unique")));
-       if (cvflags & CVf_ASSERTION)
-           XPUSHs(sv_2mortal(newSVpvs("assertion")));
+           XPUSHs(newSVpvs_flags("method", SVs_TEMP));
+        if (GvUNIQUE(CvGV((const CV *)sv)))
+           XPUSHs(newSVpvs_flags("unique", SVs_TEMP));
        break;
     case SVt_PVGV:
-       if (GvUNIQUE(sv))
-           XPUSHs(sv_2mortal(newSVpvs("unique")));
+       if (isGV_with_GP(sv) && GvUNIQUE(sv))
+           XPUSHs(newSVpvs_flags("unique", SVs_TEMP));
        break;
     default:
        break;
@@ -252,8 +237,7 @@ XS(XS_attributes__guess_stash)
 
     if (items != 1) {
 usage:
-       Perl_croak(aTHX_
-                  "Usage: attributes::_guess_stash $reference");
+       croak_xs_usage(cv, "$reference");
     }
 
     rv = ST(0);
@@ -278,8 +262,8 @@ usage:
                stash = CvSTASH(sv);
            break;
        case SVt_PVGV:
-           if (GvGP(sv) && GvESTASH((GV*)sv))
-               stash = GvESTASH((GV*)sv);
+           if (isGV_with_GP(sv) && GvGP(sv) && GvESTASH(MUTABLE_GV(sv)))
+               stash = GvESTASH(MUTABLE_GV(sv));
            break;
        default:
            break;
@@ -301,8 +285,7 @@ XS(XS_attributes_reftype)
 
     if (items != 1) {
 usage:
-       Perl_croak(aTHX_
-                  "Usage: attributes::reftype $reference");
+       croak_xs_usage(cv, "$reference");
     }
 
     rv = ST(0);
@@ -317,22 +300,6 @@ usage:
     XSRETURN(1);
 }
 
-XS(XS_attributes__warn_reserved)
-{
-    dVAR;
-    dXSARGS;
-
-    if (items != 0) {
-       Perl_croak(aTHX_
-                  "Usage: attributes::_warn_reserved ()");
-    }
-
-    EXTEND(SP,1);
-    ST(0) = boolSV(ckWARN(WARN_RESERVED));
-
-    XSRETURN(1);
-}
-
 /*
  * Local variables:
  * c-indentation-style: bsd