From: fennecdjay <astor.jeremie@wanadoo.fr>
Date: Fri, 19 Jul 2019 12:47:27 +0000 (+0200)
Subject: :art: Allow cast to self type
X-Git-Tag: nightly~2322
X-Git-Url: http://10.10.0.4:5575/?a=commitdiff_plain;h=ccbaf6ac20241382822b04571b585ab5ca47a11e;p=gwion.git

:art: Allow cast to self type
---

diff --git a/src/lib/object.c b/src/lib/object.c
index 8df093bb..d9b3175c 100644
--- a/src/lib/object.c
+++ b/src/lib/object.c
@@ -214,6 +214,9 @@ GWION_IMPORT(object) {
   GWI_BB(gwi_oper_add(gwi, at_object))
   GWI_BB(gwi_oper_emi(gwi, opem_at_object))
   GWI_BB(gwi_oper_end(gwi, "@=>", ObjectAssign))
+  GWI_BB(gwi_oper_ini(gwi, OP_ANY_TYPE, OP_ANY_TYPE, NULL))
+  GWI_BB(gwi_oper_add(gwi, opck_basic_cast))
+  GWI_BB(gwi_oper_end(gwi, "$", NULL))
   GWI_BB(gwi_oper_ini(gwi, "Object", "Object", "int"))
   GWI_BB(gwi_oper_end(gwi, "==",  EqObject))
   GWI_BB(gwi_oper_end(gwi, "!=", NeqObject))
diff --git a/src/lib/opfunc.c b/src/lib/opfunc.c
index 3f2f7522..ace7ddef 100644
--- a/src/lib/opfunc.c
+++ b/src/lib/opfunc.c
@@ -19,7 +19,8 @@ static inline m_str access(ae_Exp_Meta meta) {
 
 OP_CHECK(opck_basic_cast) {
   const Exp_Cast* cast = (Exp_Cast*)data;
-  return exp_self(cast)->type;
+  return isa(cast->exp->type, exp_self(cast)->type) > 0 ?
+     exp_self(cast)->type : t_null;
 }
 
 OP_EMIT(opem_basic_cast) {