vm_eval.c: reuse found method entry

* vm_eval.c (check_funcall_missing): reuse found method entry
  instead of searching same entry repeatedly.

git-svn-id: svn+ssh:https://ci.ruby-lang.org/ruby/trunk@51663 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

vm_eval.c

@@ -347,23 +347,20 @@ rb_call0(VALUE recv, ID mid, int argc, const VALUE *argv,
 }
 
 struct rescue_funcall_args {
+ VALUE defined_class;
  VALUE recv;
  ID mid;
+ const rb_method_entry_t *me;
  int argc;
  const VALUE *argv;
 };
 
 static VALUE
 check_funcall_exec(struct rescue_funcall_args *args)
 {
- VALUE new_args = rb_ary_new4(args->argc, args->argv);
- VALUE ret;
-
- rb_ary_unshift(new_args, ID2SYM(args->mid));
- ret = rb_funcall2(args->recv, idMethodMissing,
- args->argc+1, RARRAY_CONST_PTR(new_args));
- RB_GC_GUARD(new_args);
- return ret;
+ return call_method_entry(GET_THREAD(), args->defined_class,
+ args->recv, idMethodMissing,
+ args->me, args->argc, args->argv);
 }
 
 static VALUE
@@ -390,21 +387,27 @@ check_funcall_callable(rb_thread_t *th, const rb_callable_method_entry_t *me)
 static VALUE
 check_funcall_missing(rb_thread_t *th, VALUE klass, VALUE recv, ID mid, int argc, const VALUE *argv)
 {
- if (rb_method_basic_definition_p(klass, idMethodMissing)) {
- return Qundef;
- }
- else {
- struct rescue_funcall_args args;
+ struct rescue_funcall_args args;
+ VALUE ret = Qundef;
+ const rb_method_entry_t *const me =
+ method_entry_get(klass, idMethodMissing, &args.defined_class);
+ if (me && !METHOD_ENTRY_BASIC(me)) {
+ VALUE argbuf, *new_args = ALLOCV_N(VALUE, argbuf, argc+1);
 
+ new_args[0] = ID2SYM(mid);
+ MEMCPY(new_args+1, argv, VALUE, argc);
  th->method_missing_reason = MISSING_NOENTRY;
  args.recv = recv;
+ args.me = me;
  args.mid = mid;
- args.argc = argc;
- args.argv = argv;
- return rb_rescue2(check_funcall_exec, (VALUE)&args,
- check_funcall_failed, (VALUE)&args,
- rb_eNoMethodError, (VALUE)0);
+ args.argc = argc + 1;
+ args.argv = new_args;
+ ret = rb_rescue2(check_funcall_exec, (VALUE)&args,
+ check_funcall_failed, (VALUE)&args,
+ rb_eNoMethodError, (VALUE)0);
+ ALLOCV_END(argbuf);
  }
+ return ret;
 }
 
 VALUE