ext/mri/mri.c in looksee-4.4.0 vs ext/mri/mri.c in looksee-5.0.0

@@ -1,58 +1,26 @@
 #include "ruby.h"
 
-#if RUBY_VERSION >= 230
-#  define VM_ASSERT(expr) ((void)0)
-#endif
-
-#include "method.h"
-#include "internal.h"
-
-#ifndef Looksee_method_table_foreach
-#  define Looksee_method_table_foreach st_foreach
-#  define Looksee_method_table_lookup st_lookup
-#endif
-
-#if RUBY_VERSION < 230
-static int add_method_if_undefined(ID method_name, rb_method_entry_t *me, VALUE *names) {
-#  ifdef ID_ALLOCATOR
-  /* The allocator can be undefined with rb_undef_alloc_func, e.g. Struct. */
-  if (method_name == ID_ALLOCATOR)
-    return ST_CONTINUE;
-#  endif
-
-  if (UNDEFINED_METHOD_ENTRY_P(me))
-    rb_ary_push(*names, ID2SYM(method_name));
-  return ST_CONTINUE;
-}
-#endif
-
+#if RUBY_VERSION < 320
 /*
  * Return the list of undefined instance methods (as Symbols) of the
  * given internal class.
  */
 VALUE Looksee_internal_undefined_instance_methods(VALUE self, VALUE klass) {
-#if RUBY_VERSION >= 230
   static int warned = 0;
   if (!warned) {
-    rb_warn("Looksee cannot display undef-ed methods on MRI 2.3 or later");
+    rb_warn("Looksee cannot display undef-ed methods on MRI < 3.2");
     warned = 1;
   }
   return rb_ary_new();
-#else
-  VALUE names = rb_ary_new();
-  if (RCLASS_ORIGIN(klass) != klass)
-    klass = RCLASS_ORIGIN(klass);
-  Looksee_method_table_foreach(RCLASS_M_TBL(klass), add_method_if_undefined, (st_data_t)&names);
-  return names;
-#endif
 }
+#endif
 
 VALUE Looksee_singleton_instance(VALUE self, VALUE klass) {
   if (!SPECIAL_CONST_P(klass) && BUILTIN_TYPE(klass) == T_CLASS && FL_TEST(klass, FL_SINGLETON)) {
-    VALUE object;
-    if (!Looksee_method_table_lookup(RCLASS_IV_TBL(klass), rb_intern("__attached__"), (st_data_t *)&object))
+    VALUE object = rb_ivar_get(klass, rb_intern("__attached__"));
+    if (object == Qnil)
       rb_raise(rb_eRuntimeError, "[looksee bug] can't find singleton object");
     return object;
   } else {
     return Qnil;
   }
@@ -61,8 +29,10 @@
 void Init_mri(void) {
   VALUE mLooksee = rb_const_get(rb_cObject, rb_intern("Looksee"));
   VALUE mAdapter = rb_const_get(mLooksee, rb_intern("Adapter"));
   VALUE mBase = rb_const_get(mAdapter, rb_intern("Base"));
   VALUE mMRI = rb_define_class_under(mAdapter, "MRI", mBase);
+#if RUBY_VERSION < 320
   rb_define_method(mMRI, "internal_undefined_instance_methods", Looksee_internal_undefined_instance_methods, 1);
+#endif
   rb_define_method(mMRI, "singleton_instance", Looksee_singleton_instance, 1);
 }