X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=xsutils.c;h=b924c481c398b4d2850b30340cd32999bfd252ee;hb=ed25273444c5542e4865fbe422e026b78ba33b80;hp=ea717d96f51940bc92c525383de54d049cbc3e71;hpb=c529f79d594c53d3968d464c57ac24a21137dd09;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/xsutils.c b/xsutils.c
index ea717d9..b924c48 100644
--- a/xsutils.c
+++ b/xsutils.c
@@ -1,3 +1,18 @@
+/*    xsutils.c
+ *
+ *    Copyright (c) 1999-2002, 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.
+ *
+ */
+
+/*
+ * "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"
@@ -7,12 +22,12 @@
  */
 
 /* package attributes; */
-void XS_attributes__warn_reserved(pTHXo_ CV *cv);
-void XS_attributes_reftype(pTHXo_ CV *cv);
-void XS_attributes__modify_attrs(pTHXo_ CV *cv);
-void XS_attributes__guess_stash(pTHXo_ CV *cv);
-void XS_attributes__fetch_attrs(pTHXo_ CV *cv);
-void XS_attributes_bootstrap(pTHXo_ CV *cv);
+void XS_attributes__warn_reserved(pTHX_ CV *cv);
+void XS_attributes_reftype(pTHX_ CV *cv);
+void XS_attributes__modify_attrs(pTHX_ CV *cv);
+void XS_attributes__guess_stash(pTHX_ CV *cv);
+void XS_attributes__fetch_attrs(pTHX_ CV *cv);
+void XS_attributes_bootstrap(pTHX_ CV *cv);
 
 
 /*
@@ -23,7 +38,7 @@ void XS_attributes_bootstrap(pTHXo_ CV *cv);
  *
  * The various bootstrap definitions can take care of doing
  * package-specific newXS() calls.  Since the layout of the
- * bundled lib/*.pm files is in a version-specific directory,
+ * bundled *.pm files is in a version-specific directory,
  * version checks in these bootstrap calls are optional.
  */
 
@@ -35,14 +50,10 @@ Perl_boot_core_xsutils(pTHX)
     newXS("attributes::bootstrap",	XS_attributes_bootstrap,	file);
 }
 
-#ifdef PERL_OBJECT
-#define NO_XSLOCKS
-#endif  /* PERL_OBJECT */
-
 #include "XSUB.h"
 
 static int
-modify_SV_attributes(pTHXo_ SV *sv, SV **retlist, SV **attrlist, int numattrs)
+modify_SV_attributes(pTHX_ SV *sv, SV **retlist, SV **attrlist, int numattrs)
 {
     SV *attr;
     char *name;
@@ -52,7 +63,7 @@ modify_SV_attributes(pTHXo_ SV *sv, SV **retlist, SV **attrlist, int numattrs)
 
     for (nret = 0 ; numattrs && (attr = *attrlist++); numattrs--) {
 	name = SvPV(attr, len);
-	if (negated = (*name == '-')) {
+	if ((negated = (*name == '-'))) {
 	    name++;
 	    len--;
 	}
@@ -88,12 +99,44 @@ modify_SV_attributes(pTHXo_ SV *sv, SV **retlist, SV **attrlist, int numattrs)
 			continue;
 		    }
 		    break;
+		case 'u':
+		    if (strEQ(name, "unique")) {
+			if (negated)
+			    GvUNIQUE_off(CvGV((CV*)sv));
+			else
+			    GvUNIQUE_on(CvGV((CV*)sv));
+			continue;
+		    }
+		    break;
 		}
 		break;
 	    }
 	    break;
 	default:
-	    /* nothing, yet */
+	    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) {
+			    if (negated)
+				GvUNIQUE_off(sv);
+			    else
+				GvUNIQUE_on(sv);
+			}
+			/* Hope this came from toke.c if not a GV. */
+                        continue;
+                    }
+                }
+            }
 	    break;
 	}
 	/* anything recognized had a 'continue' above */
@@ -113,6 +156,9 @@ XS(XS_attributes_bootstrap)
     dXSARGS;
     char *file = __FILE__;
 
+    if( items > 1 )
+        Perl_croak(aTHX_ "Usage: attributes::bootstrap $module");
+
     newXSproto("attributes::_warn_reserved", XS_attributes__warn_reserved, file, "");
     newXS("attributes::_modify_attrs",	XS_attributes__modify_attrs,	file);
     newXSproto("attributes::_guess_stash", XS_attributes__guess_stash, file, "$");
@@ -138,7 +184,7 @@ usage:
 	goto usage;
     sv = SvRV(rv);
     if (items > 1)
-	XSRETURN(modify_SV_attributes(aTHXo_ sv, &ST(0), &ST(1), items-1));
+	XSRETURN(modify_SV_attributes(aTHX_ sv, &ST(0), &ST(1), items-1));
 
     XSRETURN(0);
 }
@@ -172,6 +218,12 @@ usage:
 #endif
 	if (cvflags & CVf_METHOD)
 	    XPUSHs(sv_2mortal(newSVpvn("method", 6)));
+        if (GvUNIQUE(CvGV((CV*)sv)))
+	    XPUSHs(sv_2mortal(newSVpvn("unique", 6)));
+	break;
+    case SVt_PVGV:
+	if (GvUNIQUE(sv))
+	    XPUSHs(sv_2mortal(newSVpvn("unique", 6)));
 	break;
     default:
 	break;
@@ -212,18 +264,17 @@ usage:
 	HV *stash = Nullhv;
 	switch (SvTYPE(sv)) {
 	case SVt_PVCV:
-	    if (CvGV(sv) && isGV(CvGV(sv)) && GvSTASH(CvGV(sv)) &&
-			    HvNAME(GvSTASH(CvGV(sv))))
+	    if (CvGV(sv) && isGV(CvGV(sv)) && GvSTASH(CvGV(sv)))
 		stash = GvSTASH(CvGV(sv));
-	    else if (/* !CvANON(sv) && */ CvSTASH(sv) && HvNAME(CvSTASH(sv)))
+	    else if (/* !CvANON(sv) && */ CvSTASH(sv))
 		stash = CvSTASH(sv);
 	    break;
 	case SVt_PVMG:
-	    if (!(SvFAKE(sv) && SvTIED_mg(sv, '*')))
+	    if (!(SvFAKE(sv) && SvTIED_mg(sv, PERL_MAGIC_glob)))
 		break;
 	    /*FALLTHROUGH*/
 	case SVt_PVGV:
-	    if (GvGP(sv) && GvESTASH((GV*)sv) && HvNAME(GvESTASH((GV*)sv)))
+	    if (GvGP(sv) && GvESTASH((GV*)sv))
 		stash = GvESTASH((GV*)sv);
 	    break;
 	default:
@@ -257,11 +308,9 @@ usage:
 
     rv = ST(0);
     ST(0) = TARG;
-    if (!SvOK(rv)) {
-	ST(0) = &PL_sv_no;
-	XSRETURN(1);
-    }
-    if (!SvROK(rv))
+    if (SvGMAGICAL(rv))
+	mg_get(rv);
+    if (!(SvOK(rv) && SvROK(rv)))
 	goto usage;
     sv = SvRV(rv);
     sv_setpv(TARG, sv_reftype(sv, 0));
@@ -275,7 +324,6 @@ usage:
 XS(XS_attributes__warn_reserved)
 {
     dXSARGS;
-    SV *rv, *sv;
 #ifdef dXSTARGET
     dXSTARGET;
 #else