A bug introduced in #8217 (the undefined variable in the

[p5sagit/p5-mst-13.2.git] / ext / Opcode / Opcode.xs

diff --git a/ext/Opcode/Opcode.xs b/ext/Opcode/Opcode.xs
index 9b6e016..e294059 100644 (file)
--- a/ext/Opcode/Opcode.xs
+++ b/ext/Opcode/Opcode.xs
@@ -204,7 +204,7 @@ static void
 opmask_addlocal(pTHX_ SV *opset, char *op_mask_buf) /* Localise PL_op_mask then opmask_add() */
 {
     char *orig_op_mask = PL_op_mask;
-    SAVEPPTR(PL_op_mask);
+    SAVEVPTR(PL_op_mask);
 #if !defined(PERL_OBJECT)
     /* XXX casting to an ordinary function ptr from a member function ptr
      * is disallowed by Borland
@@ -233,6 +233,26 @@ BOOT:
        warn("opset_len %ld\n", (long)opset_len);
     op_names_init(aTHX);
 
+void
+_safe_pkg_prep(Package)
+    char *     Package
+PPCODE:
+    HV *hv; 
+    ENTER;
+   
+    hv = gv_stashpv(Package, GV_ADDWARN); /* should exist already      */
+
+    if (strNE(HvNAME(hv),"main")) {
+        Safefree(HvNAME(hv));         
+        HvNAME(hv) = savepv("main"); /* make it think it's in main:: */
+        hv_store(hv,"_",1,(SV *)PL_defgv,0);  /* connect _ to global */
+        SvREFCNT_inc((SV *)PL_defgv);  /* want to keep _ around! */
+    }
+    LEAVE;
+
+
+
+
 
 void
 _safe_call_sv(Package, mask, codesv)
@@ -250,10 +270,13 @@ PPCODE:
     save_aptr(&PL_endav);
     PL_endav = (AV*)sv_2mortal((SV*)newAV()); /* ignore END blocks for now     */
 
-    save_hptr(&PL_defstash);           /* save current default stack   */
+    save_hptr(&PL_defstash);           /* save current default stash   */
     /* the assignment to global defstash changes our sense of 'main'   */
     PL_defstash = gv_stashpv(Package, GV_ADDWARN); /* should exist already     */
 
+    save_hptr(&PL_curstash);
+    PL_curstash = PL_defstash;
+
     /* defstash must itself contain a main:: so we'll add that now     */
     /* take care with the ref counts (was cause of long standing bug)  */
     /* XXX I'm still not sure if this is right, GV_ADDWARN should warn!        */
@@ -261,6 +284,11 @@ PPCODE:
     sv_free((SV*)GvHV(gv));
     GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash);
 
+    /* %INC must be clean for use/require in compartment */
+    save_hash(PL_incgv);
+    sv_free((SV*)GvHV(PL_incgv));  /* get rid of what save_hash gave us*/
+    GvHV(PL_incgv) = (HV*)SvREFCNT_inc(GvHV(gv_HVadd(gv_fetchpv("INC",TRUE,SVt_PVHV))));
+
     PUSHMARK(SP);
     perl_call_sv(codesv, GIMME|G_EVAL|G_KEEPERR); /* use callers context */
     SPAGAIN; /* for the PUTBACK added by xsubpp */