[perl #37430] [PATCH] support __delete_keyed_int methods in PMC objects

[via RT]

# New Ticket Created by  Patrick R. Michaud 
# Please include the string:  [perl #37430]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org/rt3/Ticket/Display.html?id=37430 >

In r9445 Leo added code to special-case the get_*_keyed_int
and set_*_keyed_int methods for parrot objects.

This patch adds support for delete_keyed_int (needed for PGE), 
as well as updating the corresponding test in t/pmc/object_meths.t .

Pm

Index: classes/parrotobject.pmc
===================================================================
--- classes/parrotobject.pmc    (revision 9474)
+++ classes/parrotobject.pmc    (working copy)
@@ -189,8 +189,10 @@
 
 =item C<void set_pmc_keyed_int (INTVAL key, PMC* value)>
 
-These methods have default implmentations in F<classes/default.pmc>
-which redirct to PMC keys. Test if a specialized method exists, else
+=item C<void delete_keyed_int(INTVAL key)>
+
+These methods have default implementations in F<classes/default.pmc>
+which redirect to PMC keys. Test if a specialized method exists, else
 use fallback.
 
 =cut
@@ -285,6 +287,17 @@
             SUPER(key, value);
     }
 
+    void delete_keyed_int (INTVAL key) {
+        STRING *meth = CONST_STRING(interpreter, "__delete_keyed_int");
+        PMC *sub = find_meth(interpreter, pmc, meth);
+        if (sub) {
+            (void) Parrot_run_meth_fromc_args(interpreter, sub,
+                                              pmc, meth, "vI", key);
+        }
+        else
+            SUPER(key);
+    }
+
 /*
 
 =item C<void visit(visit_info *info)>
Index: t/pmc/object-meths.t
===================================================================
--- t/pmc/object-meths.t        (revision 9474)
+++ t/pmc/object-meths.t        (working copy)
@@ -1019,6 +1019,8 @@
     $S0 = "foo"
     o[$I0] = 42
     o[$S0] = 42
+    delete o[$I0]
+    delete o[$S0]
 .end
 
 .namespace ["MyClass"]
@@ -1035,9 +1037,21 @@
     print "skey\n"
 .end
 
+.sub __delete_keyed_int :method
+    .param int key
+    print "del_ikey\n"
+.end
+
+.sub __delete_keyed :method
+    .param string key
+    print "del_skey\n"
+.end
+
 CODE
 ikey
 skey
+del_ikey
+del_skey
 OUTPUT
 
 pir_output_is(<<'CODE', <<'OUTPUT', "delegate keyed_int PMC derived");