Fix RT #54203 (reported by chocolateboy) that setters might return undef.

[gitmo/Mouse.git] / xs-src / MouseTypeConstraints.xs

diff --git a/xs-src/MouseTypeConstraints.xs b/xs-src/MouseTypeConstraints.xs
index 41a1d79..8188467 100644 (file)
--- a/xs-src/MouseTypeConstraints.xs
+++ b/xs-src/MouseTypeConstraints.xs
@@ -16,11 +16,15 @@
 
 typedef int (*check_fptr_t)(pTHX_ SV* const data, SV* const sv);
 
+/*
+    NOTE: mouse_tc_check() handles GETMAGIC
+*/
 int
 mouse_tc_check(pTHX_ SV* const tc_code, SV* const sv) {
     CV* const cv = (CV*)SvRV(tc_code);
     assert(SvTYPE(cv) == SVt_PVCV);
 
+    SvGETMAGIC(sv);
     if(CvXSUB(cv) == XS_Mouse_constraint_check){ /* built-in type constraints */
         MAGIC* const mg = (MAGIC*)CvXSUBANY(cv).any_ptr;
 
@@ -44,7 +48,7 @@ mouse_tc_check(pTHX_ SV* const tc_code, SV* const sv) {
         call_sv(tc_code, G_SCALAR);
 
         SPAGAIN;
-        ok = SvTRUEx(POPs);
+        ok = sv_true(POPs);
         PUTBACK;
 
         FREETMPS;
@@ -69,7 +73,7 @@ int
 mouse_tc_Bool(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) {
     assert(sv);
 
-    if(SvTRUE(sv)){
+    if(sv_true(sv)){
         if(SvIOKp(sv)){
             return SvIVX(sv) == 1;
         }
@@ -244,7 +248,6 @@ mouse_parameterized_ArrayRef(pTHX_ SV* const param, SV* const sv) {
         I32 i;
         for(i = 0; i < len; i++){
             SV* const value = *av_fetch(av, i, TRUE);
-            SvGETMAGIC(value);
             if(!mouse_tc_check(aTHX_ param, value)){
                 return FALSE;
             }
@@ -263,7 +266,6 @@ mouse_parameterized_HashRef(pTHX_ SV* const param, SV* const sv) {
         hv_iterinit(hv);
         while((he = hv_iternext(hv))){
             SV* const value = hv_iterval(hv, he);
-            SvGETMAGIC(value);
             if(!mouse_tc_check(aTHX_ param, value)){
                 hv_iterinit(hv); /* reset */
                 return FALSE;
@@ -409,9 +411,7 @@ mouse_is_an_instance_of(pTHX_ HV* const stash, SV* const instance){
             call_sv((SV*)instance_isa, G_SCALAR);
 
             SPAGAIN;
-
-            retval = SvTRUEx(POPs);
-
+            retval = sv_true(POPs);
             PUTBACK;
 
             FREETMPS;
@@ -462,8 +462,7 @@ mouse_can_methods(pTHX_ AV* const methods, SV* const instance){
                 call_method("can", G_SCALAR);
 
                 SPAGAIN;
-                ok = SvTRUE(TOPs);
-                (void)POPs;
+                ok = sv_true(POPs);
                 PUTBACK;
 
                 FREETMPS;
@@ -739,6 +738,6 @@ CODE:
     else{
         check = newRV_inc((SV*)mouse_tc_generate(aTHX_ NULL, (check_fptr_t)mouse_types_check, (SV*)checks));
     }
-    set_slots(self, "compiled_type_constraint", check);
+    (void)set_slots(self, "compiled_type_constraint", check);
 }