Round #2 on EBCDICation.

[p5sagit/p5-mst-13.2.git] / gv.c

diff --git a/gv.c b/gv.c
index 2967fbe..90d4152 100644 (file)
--- a/gv.c
+++ b/gv.c
@@ -1,6 +1,6 @@
 /*    gv.c
  *
- *    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.
@@ -16,6 +16,10 @@
  * laughed Pippin.
  */
 
+/*
+=head1 GV Functions
+*/
+
 #include "EXTERN.h"
 #define PERL_IN_GV_C
 #include "perl.h"
@@ -72,6 +76,7 @@ Perl_gv_fetchfile(pTHX_ const char *name)
        tmpbuf = smallbuf;
     else
        New(603, tmpbuf, tmplen + 1, char);
+    /* This is where the debugger's %{"::_<$filename"} hash is created */
     tmpbuf[0] = '_';
     tmpbuf[1] = '<';
     strcpy(tmpbuf + 2, name);
@@ -411,8 +416,8 @@ Perl_gv_fetchmethod_autoload(pTHX_ HV *stash, const char *name, I32 autoload)
 GV*
 Perl_gv_autoload4(pTHX_ HV *stash, const char *name, STRLEN len, I32 method)
 {
-    static char autoload[] = "AUTOLOAD";
-    static STRLEN autolen = 8;
+    char autoload[] = "AUTOLOAD";
+    STRLEN autolen = sizeof(autoload)-1;
     GV* gv;
     CV* cv;
     HV* varstash;
@@ -656,7 +661,7 @@ Perl_gv_fetchpv(pTHX_ const char *nambeg, I32 add, I32 sv_type)
                  strEQ(name, "ARGVOUT")))
                    global = TRUE;
            }
-           else if (*name == '_' && !name[1])
+           else if (*name == '_' && (!name[1] || strEQ(name,"__ANON__")))
                global = TRUE;
 
            if (global)
@@ -821,7 +826,6 @@ Perl_gv_fetchpv(pTHX_ const char *nambeg, I32 add, I32 sv_type)
            sv_type == SVt_PVAV ||
            sv_type == SVt_PVHV ||
            sv_type == SVt_PVCV ||
-           sv_type == SVt_PVGV ||
            sv_type == SVt_PVFM ||
            sv_type == SVt_PVIO
        ) { break; }
@@ -888,13 +892,11 @@ Perl_gv_fetchpv(pTHX_ const char *nambeg, I32 add, I32 sv_type)
     case '\001':       /* $^A */
     case '\003':       /* $^C */
     case '\004':       /* $^D */
-    case '\005':       /* $^E */
     case '\006':       /* $^F */
     case '\010':       /* $^H */
     case '\011':       /* $^I, NOT \t in EBCDIC */
     case '\016':        /* $^N */
     case '\020':       /* $^P */
-    case '\024':       /* $^T */
        if (len > 1)
            break;
        goto magicalize;
@@ -903,6 +905,11 @@ Perl_gv_fetchpv(pTHX_ const char *nambeg, I32 add, I32 sv_type)
            break;
        sv_setiv(GvSV(gv), (IV)(IoFLAGS(GvIOp(PL_defoutgv)) & IOf_FLUSH) != 0);
        goto magicalize;
+    case '\005':       /* $^E && $^ENCODING */
+       if (len > 1 && strNE(name, "\005NCODING"))
+           break;
+       goto magicalize;
+
     case '\017':       /* $^O & $^OPEN */
        if (len > 1 && strNE(name, "\017PEN"))
            break;
@@ -911,6 +918,13 @@ Perl_gv_fetchpv(pTHX_ const char *nambeg, I32 add, I32 sv_type)
        if (len > 1)
            break;
        goto ro_magicalize;
+    case '\024':       /* $^T, ${^TAINT} */
+        if (len == 1)
+            goto magicalize;
+        else if (strEQ(name, "\024AINT"))
+            goto ro_magicalize;
+        else
+            break;
     case '\027':       /* $^W & $^WARNING_BITS */
        if (len > 1 && strNE(name, "\027ARNING_BITS")
            && strNE(name, "\027IDE_SYSTEM_CALLS"))
@@ -1287,7 +1301,7 @@ Perl_Gv_AMupdate(pTHX_ HV *stash)
            if (GvNAMELEN(CvGV(cv)) == 3 && strEQ(GvNAME(CvGV(cv)), "nil")
                && strEQ(HvNAME(GvSTASH(CvGV(cv))), "overload")) {
                /* GvSV contains the name of the method. */
-               GV *ngv;
+               GV *ngv = Nullgv;
                
                DEBUG_o( Perl_deb(aTHX_ "Resolving method `%.256s' for overloaded `%s' in package `%.256s'\n",
                             SvPV_nolen(GvSV(gv)), cp, HvNAME(stash)) );
@@ -1785,11 +1799,14 @@ Perl_is_gv_magical(pTHX_ char *name, STRLEN len, U32 flags)
     case '\016':   /* $^N */
     case '\020':   /* $^P */
     case '\023':   /* $^S */
-    case '\024':   /* $^T */
     case '\026':   /* $^V */
        if (len == 1)
            goto yes;
        break;
+    case '\024':   /* $^T, ${^TAINT} */
+        if (len == 1 || strEQ(name, "\024AINT"))
+            goto yes;
+        break;
     case '1':
     case '2':
     case '3':