move exception definiton to mrblib

mrblib/error.rb

@@ -13,6 +13,44 @@ class Exception
   end
 end
 
+# ISO 15.2.24
+class ArgumentError < StandardError
+end
+
+# ISO 15.2.25
+class LocalJumpError < StandardError
+end
+
+# ISO 15.2.26
+class RangeError < StandardError
+end
+
+class FloatDomainError < RangeError
+end
+
+# ISO 15.2.26
+class RegexpError < StandardError
+end
+
+# ISO 15.2.29
+class TypeError < StandardError
+end
+
+# ISO 15.2.31
+class NameError < StandardError
+end
+
+# ISO 15.2.32
+class NoMethodError < NameError
+end
+
+# ISO 15.2.33
+class IndexError < StandardError
+end
+
+class KeyError < IndexError
+end
+
 # ISO 15.2.37
 class ScriptError < Exception
 end
@@ -23,3 +61,4 @@ end
 
 class NotImplementedError < ScriptError
 end
+

src/error.c

@@ -359,9 +359,6 @@ void
 mrb_init_exception(mrb_state *mrb)
 {
   struct RClass *e;
-  struct RClass *eIndexError;
-  struct RClass *eRangeError;
-  struct RClass *eNameError;
 
   mrb->eException_class = e = mrb_define_class(mrb, "Exception",           mrb->object_class);         /* 15.2.22 */
   mrb_define_class_method(mrb, e, "exception", mrb_instance_new, ARGS_ANY());
@@ -374,26 +371,4 @@ mrb_init_exception(mrb_state *mrb)
 
   mrb->eStandardError_class     = mrb_define_class(mrb, "StandardError",       mrb->eException_class);     /* 15.2.23 */
   mrb->eRuntimeError_class      = mrb_define_class(mrb, "RuntimeError",        mrb->eStandardError_class); /* 15.2.28 */
-
-  mrb_define_class(mrb, "TypeError",           mrb->eStandardError_class); /* 15.2.29 */
-  mrb_define_class(mrb, "ArgumentError",       mrb->eStandardError_class); /* 15.2.24 */
-  eIndexError             = mrb_define_class(mrb, "IndexError",          mrb->eStandardError_class); /* 15.2.33 */
-  eRangeError             = mrb_define_class(mrb, "RangeError",          mrb->eStandardError_class); /* 15.2.26 */
-  eNameError              = mrb_define_class(mrb, "NameError",           mrb->eStandardError_class); /* 15.2.31 */
-
-  mrb_define_class(mrb, "NoMethodError",       eNameError);          /* 15.2.32 */
-  //  mrb_define_class(mrb, "SystemCallError",     mrb->eStandardError_class); /* 15.2.36 */
-  mrb_define_class(mrb, "LocalJumpError",      mrb->eStandardError_class); /* 15.2.25 */
-
-#ifdef INCLUDE_REGEX
-  mrb_define_class(mrb, "RegexpError",         mrb->eStandardError_class); /* 15.2.27 */
-#endif
-
-#ifdef INCLUDE_ENCODING
-  mrb_define_class(mrb, "EncodingError",       mrb->eStandardError_class);
-#endif
-  // mrb_define_class(mrb, "ZeroDivisionError",   mrb->eStandardError_class); /* 15.2.30 */
-
-  mrb_define_class(mrb, "FloatDomainError",    eRangeError);
-  mrb_define_class(mrb, "KeyError",            eIndexError);
 }