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rv2cv hooks should not create 2nd-class subs
[perl5.git] / ext / XS-APItest / APItest.xs
index beb7e2c..3785c3b 100644 (file)
@@ -148,7 +148,7 @@ bitflip_key(pTHX_ IV action, SV *field) {
                const char *const end = p + len;
                while (p < end) {
                    STRLEN len;
-                   UV chr = utf8_to_uvuni((U8 *)p, &len);
+                   UV chr = utf8_to_uvuni_buf((U8 *)p, (U8 *) end, &len);
                    new_p = (char *)uvuni_to_utf8((U8 *)new_p, chr ^ 32);
                    p += len;
                }
@@ -891,7 +891,9 @@ static OP *THX_parse_keyword_swaplabel(pTHX)
     OP *sop = parse_barestmt(0);
     SV *label = parse_label(PARSE_OPTIONAL);
     if (label) sv_2mortal(label);
-    return newSTATEOP(0, label ? savepv(SvPVX(label)) : NULL, sop);
+    return newSTATEOP(label ? SvUTF8(label) : 0,
+                      label ? savepv(SvPVX(label)) : NULL,
+                      sop);
 }
 
 #define parse_keyword_labelconst() THX_parse_keyword_labelconst(aTHX)
@@ -1063,10 +1065,64 @@ filter_call(pTHX_ int idx, SV *buf_sv, int maxlen)
     return SvCUR(buf_sv);
 }
 
+static AV *
+myget_linear_isa(pTHX_ HV *stash, U32 level) {
+    GV **gvp = (GV **)hv_fetchs(stash, "ISA", 0);
+    PERL_UNUSED_ARG(level);
+    return gvp && *gvp && GvAV(*gvp)
+        ? GvAV(*gvp)
+        : (AV *)sv_2mortal((SV *)newAV());
+}
+
+
+XS_EXTERNAL(XS_XS__APItest__XSUB_XS_VERSION_undef);
+XS_EXTERNAL(XS_XS__APItest__XSUB_XS_VERSION_empty);
+XS_EXTERNAL(XS_XS__APItest__XSUB_XS_APIVERSION_invalid);
 
-XS(XS_XS__APItest__XSUB_XS_VERSION_undef);
-XS(XS_XS__APItest__XSUB_XS_VERSION_empty);
-XS(XS_XS__APItest__XSUB_XS_APIVERSION_invalid);
+static struct mro_alg mymro;
+
+static Perl_check_t addissub_nxck_add;
+
+static OP *
+addissub_myck_add(pTHX_ OP *op)
+{
+    SV **flag_svp = hv_fetchs(GvHV(PL_hintgv), "XS::APItest/addissub", 0);
+    OP *aop, *bop;
+    U8 flags;
+    if (!(flag_svp && SvTRUE(*flag_svp) && (op->op_flags & OPf_KIDS) &&
+           (aop = cBINOPx(op)->op_first) && (bop = aop->op_sibling) &&
+           !bop->op_sibling))
+       return addissub_nxck_add(aTHX_ op);
+    aop->op_sibling = NULL;
+    cBINOPx(op)->op_first = NULL;
+    op->op_flags &= ~OPf_KIDS;
+    flags = op->op_flags;
+    op_free(op);
+    return newBINOP(OP_SUBTRACT, flags, aop, bop);
+}
+
+static Perl_check_t old_ck_rv2cv;
+
+static OP *
+my_ck_rv2cv(pTHX_ OP *o)
+{
+    SV *ref;
+    SV **flag_svp = hv_fetchs(GvHV(PL_hintgv), "XS::APItest/addunder", 0);
+    OP *aop;
+
+    if (flag_svp && SvTRUE(*flag_svp) && (o->op_flags & OPf_KIDS)
+     && (aop = cUNOPx(o)->op_first) && aop->op_type == OP_CONST
+     && aop->op_private & (OPpCONST_ENTERED|OPpCONST_BARE)
+     && (ref = cSVOPx(aop)->op_sv) && SvPOK(ref) && SvCUR(ref)
+     && *(SvEND(ref)-1) == 'o')
+    {
+       SvGROW(ref, SvCUR(ref)+2);
+       *SvEND(ref) = '_';
+       SvCUR(ref)++;
+       *SvEND(ref) = '\0';
+    }
+    return old_ck_rv2cv(aTHX_ o);
+}
 
 #include "const-c.inc"
 
@@ -1094,6 +1150,41 @@ bytes_cmp_utf8(bytes, utf8)
     OUTPUT:
        RETVAL
 
+AV *
+test_utf8n_to_uvuni(s, len, flags)
+
+        SV *s
+        SV *len
+        SV *flags
+    PREINIT:
+        STRLEN retlen;
+        UV ret;
+        STRLEN slen;
+
+    CODE:
+        /* Call utf8n_to_uvuni() with the inputs.  It always asks for the
+         * actual length to be returned
+         *
+         * Length to assume <s> is; not checked, so could have buffer overflow
+         */
+        RETVAL = newAV();
+        sv_2mortal((SV*)RETVAL);
+
+        ret
+         = utf8n_to_uvuni((U8*) SvPV(s, slen), SvUV(len), &retlen, SvUV(flags));
+
+        /* Returns the return value in [0]; <retlen> in [1] */
+        av_push(RETVAL, newSVuv(ret));
+        if (retlen == (STRLEN) -1) {
+            av_push(RETVAL, newSViv(-1));
+        }
+        else {
+            av_push(RETVAL, newSVuv(retlen));
+        }
+
+    OUTPUT:
+        RETVAL
+
 MODULE = XS::APItest:Overload  PACKAGE = XS::APItest::Overload
 
 void
@@ -1517,10 +1608,36 @@ void
 ptr_table_clear(table)
 XS::APItest::PtrTable table
 
+MODULE = XS::APItest::AutoLoader       PACKAGE = XS::APItest::AutoLoader
+
+SV *
+AUTOLOAD()
+    CODE:
+       RETVAL = newSVpvn_flags(SvPVX(cv), SvCUR(cv), SvUTF8(cv));
+    OUTPUT:
+       RETVAL
+
+SV *
+AUTOLOADp(...)
+    PROTOTYPE: *$
+    CODE:
+       RETVAL = newSVpvn_flags(SvPVX(cv), SvCUR(cv), SvUTF8(cv));
+    OUTPUT:
+       RETVAL
+
+
 MODULE = XS::APItest           PACKAGE = XS::APItest
 
 PROTOTYPES: DISABLE
 
+BOOT:
+    mymro.resolve = myget_linear_isa;
+    mymro.name    = "justisa";
+    mymro.length  = 7;
+    mymro.kflags  = 0;
+    mymro.hash    = 0;
+    Perl_mro_register(aTHX_ &mymro);
+
 HV *
 xop_custom_ops ()
     CODE:
@@ -1840,6 +1957,199 @@ call_method(methname, flags, ...)
        PUSHs(sv_2mortal(newSViv(i)));
 
 void
+newCONSTSUB_type(stash, name, flags, type, sv)
+    HV* stash
+    SV* name
+    I32 flags
+    int type
+    SV* sv
+    PREINIT:
+       CV* cv;
+       STRLEN len;
+       const char *pv = SvPV(name, len);
+    PPCODE:
+        switch (type) {
+           case 0:
+              cv = newCONSTSUB(stash, pv, SvOK(sv) ? sv : NULL);
+               break;
+           case 1:
+               cv = newCONSTSUB_flags(
+                 stash, pv, len, flags | SvUTF8(name), SvOK(sv) ? sv : NULL
+               );
+               break;
+        }
+        EXTEND(SP, 2);
+        PUSHs( CvCONST(cv) ? &PL_sv_yes : &PL_sv_no );
+       PUSHs((SV*)CvGV(cv));
+
+void
+gv_init_type(namesv, multi, flags, type)
+    SV* namesv
+    int multi
+    I32 flags
+    int type
+    PREINIT:
+        STRLEN len;
+        const char * const name = SvPV_const(namesv, len);
+        GV *gv = *(GV**)hv_fetch(PL_defstash, name, len, TRUE);
+    PPCODE:
+        if (SvTYPE(gv) == SVt_PVGV)
+            Perl_croak(aTHX_ "GV is already a PVGV");
+        if (multi) flags |= GV_ADDMULTI;
+        switch (type) {
+           case 0:
+              gv_init(gv, PL_defstash, name, len, multi);
+               break;
+           case 1:
+               gv_init_sv(gv, PL_defstash, namesv, flags);
+               break;
+           case 2:
+               gv_init_pv(gv, PL_defstash, name, flags | SvUTF8(namesv));
+               break;
+           case 3:
+               gv_init_pvn(gv, PL_defstash, name, len, flags | SvUTF8(namesv));
+               break;
+        }
+       XPUSHs( gv ? (SV*)gv : &PL_sv_undef);
+
+void
+gv_fetchmeth_type(stash, methname, type, level, flags)
+    HV* stash
+    SV* methname
+    int type
+    I32 level
+    I32 flags
+    PREINIT:
+        STRLEN len;
+        const char * const name = SvPV_const(methname, len);
+       GV* gv;
+    PPCODE:
+        switch (type) {
+           case 0:
+              gv = gv_fetchmeth(stash, name, len, level);
+               break;
+           case 1:
+               gv = gv_fetchmeth_sv(stash, methname, level, flags);
+               break;
+           case 2:
+               gv = gv_fetchmeth_pv(stash, name, level, flags | SvUTF8(methname));
+               break;
+           case 3:
+               gv = gv_fetchmeth_pvn(stash, name, len, level, flags | SvUTF8(methname));
+               break;
+        }
+       XPUSHs( gv ? MUTABLE_SV(gv) : &PL_sv_undef );
+
+void
+gv_fetchmeth_autoload_type(stash, methname, type, level, flags)
+    HV* stash
+    SV* methname
+    int type
+    I32 level
+    I32 flags
+    PREINIT:
+        STRLEN len;
+        const char * const name = SvPV_const(methname, len);
+       GV* gv;
+    PPCODE:
+        switch (type) {
+           case 0:
+              gv = gv_fetchmeth_autoload(stash, name, len, level);
+               break;
+           case 1:
+               gv = gv_fetchmeth_sv_autoload(stash, methname, level, flags);
+               break;
+           case 2:
+               gv = gv_fetchmeth_pv_autoload(stash, name, level, flags | SvUTF8(methname));
+               break;
+           case 3:
+               gv = gv_fetchmeth_pvn_autoload(stash, name, len, level, flags | SvUTF8(methname));
+               break;
+        }
+       XPUSHs( gv ? MUTABLE_SV(gv) : &PL_sv_undef );
+
+void
+gv_fetchmethod_flags_type(stash, methname, type, flags)
+    HV* stash
+    SV* methname
+    int type
+    I32 flags
+    PREINIT:
+       GV* gv;
+    PPCODE:
+        switch (type) {
+           case 0:
+              gv = gv_fetchmethod_flags(stash, SvPVX_const(methname), flags);
+               break;
+           case 1:
+               gv = gv_fetchmethod_sv_flags(stash, methname, flags);
+               break;
+           case 2:
+               gv = gv_fetchmethod_pv_flags(stash, SvPV_nolen(methname), flags | SvUTF8(methname));
+               break;
+           case 3: {
+               STRLEN len;
+               const char * const name = SvPV_const(methname, len);
+               gv = gv_fetchmethod_pvn_flags(stash, name, len, flags | SvUTF8(methname));
+               break;
+            }
+        }
+       XPUSHs( gv ? (SV*)gv : &PL_sv_undef);
+
+void
+gv_autoload_type(stash, methname, type, method)
+    HV* stash
+    SV* methname
+    int type
+    I32 method
+    PREINIT:
+        STRLEN len;
+        const char * const name = SvPV_const(methname, len);
+       GV* gv;
+       I32 flags = method ? GV_AUTOLOAD_ISMETHOD : 0;
+    PPCODE:
+        switch (type) {
+           case 0:
+              gv = gv_autoload4(stash, name, len, method);
+               break;
+           case 1:
+               gv = gv_autoload_sv(stash, methname, flags);
+               break;
+           case 2:
+               gv = gv_autoload_pv(stash, name, flags | SvUTF8(methname));
+               break;
+           case 3:
+               gv = gv_autoload_pvn(stash, name, len, flags | SvUTF8(methname));
+               break;
+        }
+       XPUSHs( gv ? (SV*)gv : &PL_sv_undef);
+
+void
+whichsig_type(namesv, type)
+    SV* namesv
+    int type
+    PREINIT:
+        STRLEN len;
+        const char * const name = SvPV_const(namesv, len);
+        I32 i;
+    PPCODE:
+        switch (type) {
+           case 0:
+              i = whichsig(name);
+               break;
+           case 1:
+               i = whichsig_sv(namesv);
+               break;
+           case 2:
+               i = whichsig_pv(name);
+               break;
+           case 3:
+               i = whichsig_pvn(name, len);
+               break;
+        }
+        XPUSHs(sv_2mortal(newSViv(i)));
+
+void
 eval_sv(sv, flags)
     SV* sv
     I32 flags
@@ -1931,6 +2241,21 @@ bool
 sv_setsv_cow_hashkey_notcore()
 
 void
+sv_set_deref(SV *sv, SV *sv2, int which)
+    CODE:
+    {
+       STRLEN len;
+       const char *pv = SvPV(sv2,len);
+       if (!SvROK(sv)) croak("Not a ref");
+       sv = SvRV(sv);
+       switch (which) {
+           case 0: sv_setsv(sv,sv2); break;
+           case 1: sv_setpv(sv,pv); break;
+           case 2: sv_setpvn(sv,pv,len); break;
+       }
+    }
+
+void
 rmagical_cast(sv, type)
     SV *sv;
     SV *type;
@@ -2411,9 +2736,9 @@ test_coplabel()
         if (len != 3) croak("fail # cop_fetch_label len");
         if (utf8) croak("fail # cop_fetch_label utf8");
         /* SMALL GERMAN UMLAUT A */
-        Perl_cop_store_label(aTHX_ cop, "foä", 4, SVf_UTF8);
+        Perl_cop_store_label(aTHX_ cop, "fo\xc3\xa4", 4, SVf_UTF8);
         label = Perl_cop_fetch_label(aTHX_ cop, &len, &utf8);
-        if (strcmp(label,"foä")) croak("fail # cop_fetch_label label");
+        if (strcmp(label,"fo\xc3\xa4")) croak("fail # cop_fetch_label label");
         if (len != 4) croak("fail # cop_fetch_label len");
         if (!utf8) croak("fail # cop_fetch_label utf8");
 
@@ -2782,7 +3107,8 @@ CODE:
     PERL_SET_CONTEXT(interp_dup);
 
     /* continue after 'clone_with_stack' */
-    interp_dup->Iop = interp_dup->Iop->op_next;
+    if (interp_dup->Iop)
+       interp_dup->Iop = interp_dup->Iop->op_next;
 
     /* run with new perl */
     Perl_runops_standard(interp_dup);
@@ -2928,6 +3254,13 @@ CODE:
        HeVAL(entry) = NULL;
     }
 
+HV *
+newHVhv(HV *hv)
+CODE:
+    RETVAL = newHVhv(hv);
+OUTPUT:
+    RETVAL
+
 bool
 SvIsCOW(SV *sv)
 CODE:
@@ -2983,6 +3316,121 @@ CODE:
 OUTPUT:
     RETVAL
 
+void
+stringify(SV *sv)
+PREINIT:
+    const char *pv;
+CODE:
+    pv = SvPV_nolen(sv);
+
+SV *
+HvENAME(HV *hv)
+CODE:
+    RETVAL = hv && HvENAME(hv)
+             ? newSVpvn_flags(
+                 HvENAME(hv),HvENAMELEN(hv),
+                 (HvENAMEUTF8(hv) ? SVf_UTF8 : 0)
+               )
+             : NULL;
+OUTPUT:
+    RETVAL
+
+int
+xs_cmp(int a, int b)
+CODE:
+    /* Odd sorting (odd numbers first), to make sure we are actually
+       being called */
+    RETVAL = a % 2 != b % 2
+              ? a % 2 ? -1 : 1
+              : a < b ? -1 : a == b ? 0 : 1;
+OUTPUT:
+    RETVAL
+
+SV *
+xs_cmp_undef(SV *a, SV *b)
+CODE:
+    RETVAL = &PL_sv_undef;
+OUTPUT:
+    RETVAL
+
+char *
+SvPVbyte(SV *sv)
+CODE:
+    RETVAL = SvPVbyte_nolen(sv);
+OUTPUT:
+    RETVAL
+
+char *
+SvPVutf8(SV *sv)
+CODE:
+    RETVAL = SvPVutf8_nolen(sv);
+OUTPUT:
+    RETVAL
+
+void
+setup_addissub()
+CODE:
+    wrap_op_checker(OP_ADD, addissub_myck_add, &addissub_nxck_add);
+
+void
+setup_rv2cv_addunderbar()
+CODE:
+    wrap_op_checker(OP_RV2CV, my_ck_rv2cv, &old_ck_rv2cv);
+
+#ifdef USE_ITHREADS
+
+bool
+test_alloccopstash()
+CODE:
+    RETVAL = PL_stashpad[alloccopstash(PL_defstash)] == PL_defstash;
+OUTPUT:
+    RETVAL
+
+#endif
+
+bool
+test_newFOROP_without_slab()
+CODE:
+    {
+       const I32 floor = start_subparse(0,0);
+       CV * const cv = PL_compcv;
+       /* The slab allocator does not like CvROOT being set. */
+       CvROOT(PL_compcv) = (OP *)1;
+       op_free(newFOROP(0, 0, newOP(OP_PUSHMARK, 0), 0, 0));
+       CvROOT(PL_compcv) = NULL;
+       SvREFCNT_dec(PL_compcv);
+       LEAVE_SCOPE(floor);
+       /* If we have not crashed yet, then the test passes. */
+       RETVAL = TRUE;
+    }
+OUTPUT:
+    RETVAL
+
+
+MODULE = XS::APItest PACKAGE = XS::APItest::AUTOLOADtest
+
+int
+AUTOLOAD(...)
+  INIT:
+    SV* comms;
+    SV* class_and_method;
+    SV* tmp;
+  CODE:
+    class_and_method = GvSV(CvGV(cv));
+    comms = get_sv("main::the_method", 1);
+    if (class_and_method == NULL) {
+      RETVAL = 1;
+    } else if (!SvOK(class_and_method)) {
+      RETVAL = 2;
+    } else if (!SvPOK(class_and_method)) {
+      RETVAL = 3;
+    } else {
+      sv_setsv(comms, class_and_method);
+      RETVAL = 0;
+    }
+  OUTPUT: RETVAL
+
+
 MODULE = XS::APItest           PACKAGE = XS::APItest::Magic
 
 PROTOTYPES: DISABLE
@@ -3049,11 +3497,23 @@ test_get_vtbl()
 #ifdef USE_LOCALE_COLLATE
        test_get_this_vtable(collxfrm);
 #endif
-       test_get_this_vtable(amagic);
-       test_get_this_vtable(amagicelem);
        test_get_this_vtable(backref);
        test_get_this_vtable(utf8);
 
        RETVAL = PTR2UV(get_vtbl(-1));
     OUTPUT:
        RETVAL
+
+bool
+test_isBLANK_uni(UV ord)
+    CODE:
+        RETVAL = isBLANK_uni(ord);
+    OUTPUT:
+        RETVAL
+
+bool
+test_isBLANK_utf8(char * p)
+    CODE:
+        RETVAL = isBLANK_utf8((U8 *) p);
+    OUTPUT:
+        RETVAL