nailed "our" declarations, and better warnings on duplicate

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

diff --git a/pp.c b/pp.c
index c14a05c..c387433 100644 (file)
--- a/pp.c
+++ b/pp.c
@@ -247,7 +247,7 @@ PP(pp_rv2gv)
                        STRLEN len;
                        SV *namesv = PL_curpad[cUNOP->op_targ];
                        name = SvPV(namesv, len);
-                       gv = (GV*)NEWSV(0,len);
+                       gv = (GV*)NEWSV(0,0);
                        gv_init(gv, CopSTASH(PL_curcop), name, len, 0);
                    }
                    else {
@@ -2021,7 +2021,9 @@ PP(pp_substr)
            sv_pos_u2b(sv, &pos, &rem);
        tmps += pos;
        sv_setpvn(TARG, tmps, rem);
-       if (lvalue) {                   /* it's an lvalue! */
+       if (repl)
+           sv_insert(sv, pos, rem, repl, repl_len);
+       else if (lvalue) {              /* it's an lvalue! */
            if (!SvGMAGICAL(sv)) {
                if (SvROK(sv)) {
                    STRLEN n_a;
@@ -2050,8 +2052,6 @@ PP(pp_substr)
            LvTARGOFF(TARG) = pos;
            LvTARGLEN(TARG) = rem;
        }
-       else if (repl)
-           sv_insert(sv, pos, rem, repl, repl_len);
     }
     SPAGAIN;
     PUSHs(TARG);               /* avoid SvSETMAGIC here */
@@ -2647,13 +2647,28 @@ PP(pp_delete)
        U32 hvtype;
        hv = (HV*)POPs;
        hvtype = SvTYPE(hv);
-       while (++MARK <= SP) {
-           if (hvtype == SVt_PVHV)
+       if (hvtype == SVt_PVHV) {                       /* hash element */
+           while (++MARK <= SP) {
                sv = hv_delete_ent(hv, *MARK, discard, 0);
-           else
-               DIE(aTHX_ "Not a HASH reference");
-           *MARK = sv ? sv : &PL_sv_undef;
+               *MARK = sv ? sv : &PL_sv_undef;
+           }
        }
+       else if (hvtype == SVt_PVAV) {
+           if (PL_op->op_flags & OPf_SPECIAL) {        /* array element */
+               while (++MARK <= SP) {
+                   sv = av_delete((AV*)hv, SvIV(*MARK), discard);
+                   *MARK = sv ? sv : &PL_sv_undef;
+               }
+           }
+           else {                                      /* pseudo-hash element */
+               while (++MARK <= SP) {
+                   sv = avhv_delete_ent((AV*)hv, *MARK, discard, 0);
+                   *MARK = sv ? sv : &PL_sv_undef;
+               }
+           }
+       }
+       else
+           DIE(aTHX_ "Not a HASH reference");
        if (discard)
            SP = ORIGMARK;
        else if (gimme == G_SCALAR) {
@@ -2667,6 +2682,12 @@ PP(pp_delete)
        hv = (HV*)POPs;
        if (SvTYPE(hv) == SVt_PVHV)
            sv = hv_delete_ent(hv, keysv, discard, 0);
+       else if (SvTYPE(hv) == SVt_PVAV) {
+           if (PL_op->op_flags & OPf_SPECIAL)
+               sv = av_delete((AV*)hv, SvIV(keysv), discard);
+           else
+               sv = avhv_delete_ent((AV*)hv, keysv, discard, 0);
+       }
        else
            DIE(aTHX_ "Not a HASH reference");
        if (!sv)
@@ -2687,7 +2708,11 @@ PP(pp_exists)
            RETPUSHYES;
     }
     else if (SvTYPE(hv) == SVt_PVAV) {
-       if (avhv_exists_ent((AV*)hv, tmpsv, 0))
+       if (PL_op->op_flags & OPf_SPECIAL) {            /* array element */
+           if (av_exists((AV*)hv, SvIV(tmpsv)))
+               RETPUSHYES;
+       }
+       else if (avhv_exists_ent((AV*)hv, tmpsv, 0))    /* pseudo-hash element */
            RETPUSHYES;
     }
     else {