Remove commented out code.

9 files changed, 24 insertions, 99 deletions

diff --git a/src/error.c b/src/error.c
index 5bfbc4319..e71245509 100644
--- a/src/error.c
+++ b/src/error.c
@@ -29,7 +29,6 @@ mrb_exc_new3(mrb_state *mrb, struct RClass* c, mrb_value str)
   return mrb_funcall(mrb, mrb_obj_value(c), "new", 1, str);
 }
 
-//mrb_value make_exception(mrb_state *mrb, int argc, mrb_value *argv, int isstr);
 /*
  * call-seq:
  *    Exception.new(msg = nil)   ->  exception
@@ -307,14 +306,6 @@ make_exception(mrb_state *mrb, int argc, mrb_value *argv, int isstr)
     case 3:
       n = 1;
 exception_call:
-      //if (argv[0] == sysstack_error) return argv[0];
-
-      //CONST_ID(mrb, exception, "exception");
-      //mesg = mrb_check_funcall(mrb, argv[0], exception, n, argv+1);
-      //if (mrb_nil_p(mesg)) {
-      //  /* undef */
-      //  mrb_raise(mrb, E_TYPE_ERROR, "exception class/object expected");
-      //}
       if (mrb_respond_to(mrb, argv[0], mrb_intern(mrb, "exception"))) {
         mesg = mrb_funcall_argv(mrb, argv[0], "exception", n, argv+1);
       }
diff --git a/src/etc.c b/src/etc.c
index 7e9381d16..d14498d9c 100644
--- a/src/etc.c
+++ b/src/etc.c
@@ -52,11 +52,6 @@ mrb_check_datatype(mrb_state *mrb, mrb_value obj, const struct mrb_data_type *ty
 mrb_value
 mrb_lastline_get(mrb_state *mrb)
 {
-  //mrb_value *var = mrb_svar(0);
-  //if (var) {
-  //  return *var;
-  //}
-  //return mrb_nil_value();
   mrb_value *argv;
   int argc;
 
diff --git a/src/hash.c b/src/hash.c
index 04e8c60be..5d3835019 100644
--- a/src/hash.c
+++ b/src/hash.c
@@ -1339,9 +1339,9 @@ mrb_init_hash(mrb_state *mrb)
   mrb_define_method(mrb, h, "default_proc",    mrb_hash_default_proc,ARGS_NONE()); /* 15.2.13.4.7  */
   mrb_define_method(mrb, h, "default_proc=",   mrb_hash_set_default_proc,ARGS_REQ(1)); /* 15.2.13.4.7  */
   mrb_define_method(mrb, h, "__delete",        mrb_hash_delete,      ARGS_REQ(1)); /* core of 15.2.13.4.8  */
-//mrb_define_method(mrb, h, "each",            mrb_hash_each_pair,   ARGS_NONE()); /* 15.2.13.4.9  */ /* move to mrblib\hash.rb */
-//mrb_define_method(mrb, h, "each_key",        mrb_hash_each_key,    ARGS_NONE()); /* 15.2.13.4.10 */ /* move to mrblib\hash.rb */
-//mrb_define_method(mrb, h, "each_value",      mrb_hash_each_value,  ARGS_NONE()); /* 15.2.13.4.11 */ /* move to mrblib\hash.rb */
+// "each"                                                                             15.2.13.4.9  move to mrblib/hash.rb
+// "each_key"                                                                         15.2.13.4.10 move to mrblib/hash.rb
+// "each_value"                                                                       15.2.13.4.11 move to mrblib/hash.rb
   mrb_define_method(mrb, h, "empty?",          mrb_hash_empty_p,     ARGS_NONE()); /* 15.2.13.4.12 */
   mrb_define_method(mrb, h, "has_key?",        mrb_hash_has_key,     ARGS_REQ(1)); /* 15.2.13.4.13 */
   mrb_define_method(mrb, h, "has_value?",      mrb_hash_has_value,   ARGS_REQ(1)); /* 15.2.13.4.14 */
@@ -1352,7 +1352,7 @@ mrb_init_hash(mrb_state *mrb)
   mrb_define_method(mrb, h, "keys",            mrb_hash_keys,        ARGS_NONE()); /* 15.2.13.4.19 */
   mrb_define_method(mrb, h, "length",          mrb_hash_size_m,      ARGS_NONE()); /* 15.2.13.4.20 */
   mrb_define_method(mrb, h, "member?",         mrb_hash_has_key,     ARGS_REQ(1)); /* 15.2.13.4.21 */
-//mrb_define_method(mrb, h, "merge",           mrb_hash_merge,       ARGS_REQ(1)); /* 15.2.13.4.22 */ /* move to mrblib\hash.rb */
+// "merge"                                                                            15.2.13.4.22 move to mrblib/hash.rb
   mrb_define_method(mrb, h, "replace",         mrb_hash_replace,     ARGS_REQ(1)); /* 15.2.13.4.23 */
   mrb_define_method(mrb, h, "shift",           mrb_hash_shift,       ARGS_NONE()); /* 15.2.13.4.24 */
   mrb_define_method(mrb, h, "size",            mrb_hash_size_m,      ARGS_NONE()); /* 15.2.13.4.25 */
diff --git a/src/kernel.c b/src/kernel.c
index 468891b23..8aba1a808 100644
--- a/src/kernel.c
+++ b/src/kernel.c
@@ -72,9 +72,6 @@ inspect_obj(mrb_state *mrb, mrb_value obj, mrb_value str, int recur)
 int
 mrb_obj_basic_to_s_p(mrb_state *mrb, mrb_value obj)
 {
-    //const mrb_method_entry_t *me = mrb_method_entry(CLASS_OF(obj), mrb_intern("to_s"));
-    //if (me && me->def && me->def->type == VM_METHOD_TYPE_CFUNC &&
-    //me->def->body.cfunc.func == mrb_any_to_s)
     struct RProc *me = mrb_method_search(mrb, mrb_class(mrb, obj), mrb_intern(mrb, "to_s"));
     if (me && MRB_PROC_CFUNC_P(me) && (me->body.func == mrb_any_to_s))
       return 1;
@@ -314,52 +311,38 @@ mrb_singleton_class_clone(mrb_state *mrb, mrb_value obj)
 {
   struct RClass *klass = RBASIC(obj)->c;
 
-  //if (!FL_TEST(klass, FL_SINGLETON))
-      //return klass;
   if (klass->tt != MRB_TT_SCLASS)
     return klass;
   else {
-      //struct clone_method_data data;
-      /* copy singleton(unnamed) class */
-      //VALUE clone = class_alloc(RBASIC(klass)->flags, 0);
+    /* copy singleton(unnamed) class */
     struct RClass *clone = (struct RClass*)mrb_obj_alloc(mrb, klass->tt, mrb->class_class);
-    //clone->super = objklass->super;
 
-      if ((mrb_type(obj) == MRB_TT_CLASS) ||
-          (mrb_type(obj) == MRB_TT_SCLASS)) { /* BUILTIN_TYPE(obj) == T_CLASS */
-          clone->c = clone;
-      }
-      else {
-          clone->c = mrb_singleton_class_clone(mrb, mrb_obj_value(klass));
-      }
+    if ((mrb_type(obj) == MRB_TT_CLASS) ||
+      (mrb_type(obj) == MRB_TT_SCLASS)) { /* BUILTIN_TYPE(obj) == T_CLASS */
+      clone->c = clone;
+    }
+    else {
+      clone->c = mrb_singleton_class_clone(mrb, mrb_obj_value(klass));
+    }
 
-      clone->super = klass->super;
-      if (klass->iv) {
-          clone->iv = klass->iv;
-      }
-      if (klass->mt) {
-          clone->mt = kh_copy(mt, mrb, klass->mt);
-      }
-      else {
-          clone->mt = kh_init(mt, mrb);
-      }
-      clone->tt = MRB_TT_SCLASS;
-      return clone;
+    clone->super = klass->super;
+    if (klass->iv) {
+      clone->iv = klass->iv;
+    }
+    if (klass->mt) {
+      clone->mt = kh_copy(mt, mrb, klass->mt);
+    }
+    else {
+      clone->mt = kh_init(mt, mrb);
+    }
+    clone->tt = MRB_TT_SCLASS;
+    return clone;
   }
 }
 
 static void
 init_copy(mrb_state *mrb, mrb_value dest, mrb_value obj)
 {
-    //if (OBJ_FROZEN(dest)) {
-    //    rb_raise(rb_eTypeError, "[bug] frozen object (%s) allocated", rb_obj_classname(dest));
-    //}
-    //RBASIC(dest)->flags &= ~(T_MASK|FL_EXIVAR);
-    //RBASIC(dest)->flags |= RBASIC(obj)->flags & (T_MASK|FL_EXIVAR|FL_TAINT);
-    //if (FL_TEST(obj, FL_EXIVAR)) {
-    //    mrb_copy_generic_ivar(dest, obj);
-    //}
-    //mrb_gc_copy_finalizer(dest, obj);
     switch (mrb_type(obj)) {
       case MRB_TT_OBJECT:
       case MRB_TT_CLASS:
@@ -416,8 +399,6 @@ mrb_obj_clone(mrb_state *mrb, mrb_value self)
   clone = (struct RObject*)mrb_obj_alloc(mrb, self.tt, mrb_obj_class(mrb, self));
   clone->c = mrb_singleton_class_clone(mrb, self);
   init_copy(mrb, mrb_obj_value(clone), self);
-  //1-9-2 no bug mrb_funcall(mrb, clone, "initialize_clone", 1, self);
-  //RBASIC(clone)->flags |= RBASIC(obj)->flags & FL_FREEZE;
 
   return mrb_obj_value(clone);
 }
@@ -466,7 +447,6 @@ mrb_obj_extend(mrb_state *mrb, int argc, mrb_value *argv, mrb_value obj)
     mrb_raise(mrb, E_ARGUMENT_ERROR, "wrong number of arguments (at least 1)");
   }
   for (i = 0; i < argc; i++) {
-    //Check_Type(argv[i], T_MODULE);
     mrb_check_type(mrb, argv[i], MRB_TT_MODULE);
   }
   while (argc--) {
@@ -511,19 +491,6 @@ mrb_obj_extend_m(mrb_state *mrb, mrb_value self)
   return mrb_obj_extend(mrb, argc, argv, self);
 }
 
-/* 15.3.1.2.4  */
-/* 15.3.1.3.14 */
-/*
- *  call-seq:
- *     global_variables    -> array
- *
- *  Returns an array of the names of global variables.
- *
- *     global_variables.grep /std/   #=> [:$stdin, :$stdout, :$stderr]
- */
-//mrb_value
-//mrb_f_global_variables(mrb_state *mrb, mrb_value self)
-
 /* 15.3.1.3.15 */
 /*
  *  call-seq:
@@ -824,7 +791,6 @@ mrb_obj_singleton_methods(mrb_state *mrb, int argc, mrb_value *argv, mrb_value o
       recur = mrb_true_value();
   }
   else {
-      //mrb_scan_args(argc, argv, "01", &recur);
       recur = argv[0];
   }
   klass = mrb_class(mrb, obj);
@@ -853,7 +819,6 @@ retry:
   else {
       mrb_value recur;
 
-      //mrb_scan_args(argc, argv, "1", &recur);
       recur = argv[0];
       if (mrb_test(recur)) {
           argc = 0;
@@ -1073,7 +1038,6 @@ obj_respond_to(mrb_state *mrb, mrb_value self)
   mrb_sym id;
 
   mrb_get_args(mrb, "*", &argv, &argc);
-  //mrb_scan_args(argc, argv, "11", &mid, &priv);
   mid = argv[0];
   if (argc > 1) priv = argv[1];
   else priv = mrb_nil_value();
diff --git a/src/object.c b/src/object.c
index 43e064fb0..4f5fb1d28 100644
--- a/src/object.c
+++ b/src/object.c
@@ -516,7 +516,6 @@ mrb_to_integer(mrb_state *mrb, mrb_value val, const char *method)
     mrb_value v;
 
     if (FIXNUM_P(val)) return val;
-    //if (TYPE(val) == T_BIGNUM) return val;
     v = convert_type(mrb, val, "Integer", method, TRUE);
     if (!mrb_obj_is_kind_of(mrb, v, mrb->fixnum_class)) {
       const char *cname = mrb_obj_classname(mrb, val);
diff --git a/src/range.c b/src/range.c
index 14fa2a6a3..9113a810a 100644
--- a/src/range.c
+++ b/src/range.c
@@ -412,7 +412,6 @@ range_initialize_copy(mrb_state *mrb, mrb_value copy)
   mrb_get_args(mrb, "o", &src);
 
   if (mrb_obj_equal(mrb, copy, src)) return copy;
-  //mrb_check_frozen(copy);
   if (!mrb_obj_is_instance_of(mrb, src, mrb_obj_class(mrb, copy))) {
     mrb_raise(mrb, E_TYPE_ERROR, "wrong argument class");
   }
diff --git a/src/string.c b/src/string.c
index e41116ebc..0a5dee88e 100644
--- a/src/string.c
+++ b/src/string.c
@@ -1354,7 +1354,6 @@ str_gsub(mrb_state *mrb, mrb_value str, mrb_int bang)
 static mrb_value
 mrb_str_gsub(mrb_state *mrb, mrb_value self)
 {
-  //return str_gsub(argc, argv, self, 0);
   return str_gsub(mrb, self, 0);
 }
 
@@ -1469,10 +1468,8 @@ mrb_str_index_m(mrb_state *mrb, mrb_value str)
   int argc;
 
   mrb_value sub;
-  //mrb_value initpos;
   mrb_int pos;
 
-  //if (mrb_scan_args(argc, argv, "11", &sub, &initpos) == 2) {
   mrb_get_args(mrb, "*", &argv, &argc);
   if (argc == 2) {
     pos = mrb_fixnum(argv[1]);
@@ -1959,7 +1956,6 @@ scan_once(mrb_state *mrb, mrb_value str, mrb_value pat, mrb_int *start)
 
   if (mrb_reg_search(mrb, pat, str, *start, 0) >= 0) {
     match = mrb_backref_get(mrb);
-    //regs = RMATCH(match)->regs;
     pmatch = mrb_match_ptr(match);
     regs = &pmatch->rmatch->regs;
     if (regs->beg[0] == regs->end[0]) {
@@ -2143,7 +2139,6 @@ mrb_str_split_m(mrb_state *mrb, mrb_value str)
     split_type = awk;
   }
   else {
-//fs_set:
     if (mrb_type(spat) == MRB_TT_STRING) {
       split_type = string;
 #ifdef ENABLE_REGEXP
@@ -2546,7 +2541,6 @@ mrb_str_to_inum(mrb_state *mrb, mrb_value str, int base, int badcheck)
   if (s) {
     len = RSTRING_LEN(str);
     if (s[len]) {    /* no sentinel somehow */
-      //char *p = ALLOCA_N(char, len+1);
       char *p = mrb_malloc(mrb, len+1);
 
       //MEMCPY(p, s, char, len);
@@ -2584,10 +2578,8 @@ mrb_str_to_i(mrb_state *mrb, mrb_value self)
 {
   mrb_value *argv;
   int argc;
-  //mrb_value b;
   int base;
 
-  //mrb_scan_args(argc, *argv, "01", &b);
   mrb_get_args(mrb, "*", &argv, &argc);
   if (argc == 0)
     base = 10;
@@ -2710,7 +2702,6 @@ mrb_str_to_dbl(mrb_state *mrb, mrb_value str, int badcheck)
 static mrb_value
 mrb_str_to_f(mrb_state *mrb, mrb_value self)
 {
-  //return mrb_float_new(mrb_str_to_dbl(self, 0/*Qfalse*/));
   return mrb_float_value(mrb_str_to_dbl(mrb, self, 0/*Qfalse*/));
 }
 
diff --git a/src/struct.c b/src/struct.c
index 6d8ce057f..0a95f9e49 100644
--- a/src/struct.c
+++ b/src/struct.c
@@ -38,8 +38,6 @@ struct_ivar_get(mrb_state *mrb, mrb_value c, mrb_sym id)
 
   mrb_value ans;
     for (;;) {
-      //if (mrb_ivar_defined(c, id))
-      //    return mrb_iv_get(mrb, c, id);
       ans = mrb_iv_get(mrb, c, id);
       if (!mrb_nil_p(ans)) return ans;
       kclass = RCLASS_SUPER(c);
@@ -260,19 +258,15 @@ make_struct(mrb_state *mrb, mrb_value name, mrb_value members, struct RClass * k
     //OBJ_FREEZE(members);
     if (mrb_nil_p(name)) {
       c = mrb_class_new(mrb, klass);
-      //mrb_make_metaclass(nstr, RBASIC(klass)->c);
-      //mrb_class_inherited(klass, nstr);
     }
     else {
       /* old style: should we warn? */
       name = mrb_str_to_str(mrb, name);
       id = mrb_to_id(mrb, name);
       if (!mrb_is_const_id(id)) {
-          //mrb_name_error(id, "identifier %s needs to be constant", StringValuePtr(name));
           mrb_name_error(mrb, id, "identifier %s needs to be constant", mrb_string_value_ptr(mrb, name));
       }
       if (mrb_const_defined_at(mrb, klass, id)) {
-          //mrb_warn("redefining constant Struct::%s", StringValuePtr(name));
           mrb_warn("redefining constant Struct::%s", mrb_string_value_ptr(mrb, name));
           //?rb_mod_remove_const(klass, mrb_sym2name(mrb, id));
       }
@@ -376,7 +370,6 @@ mrb_struct_s_def(mrb_state *mrb, mrb_value klass)
   mrb_get_args(mrb, "&*", &b, &argv, &argc);
   if (argc > 0) name = argv[0];
   if (argc > 1) rest = argv[1];
-  //mrb_scan_args(argc, argv, "1*", &name, &rest);
   if (mrb_type(rest) == MRB_TT_ARRAY) {
     if (!mrb_nil_p(name) && SYMBOL_P(name)) {
       /* 1stArgument:symbol -> name=nil rest=argv[0]-[n] */
@@ -389,7 +382,6 @@ mrb_struct_s_def(mrb_state *mrb, mrb_value klass)
     argcnt = argc-1;
     if (!mrb_nil_p(name) && SYMBOL_P(name)) {
       /* 1stArgument:symbol -> name=nil rest=argv[0]-[n] */
-      //mrb_ary_unshift(mrb, rest, name);
       name = mrb_nil_value();
       pargv = &argv[0];
       argcnt++;
@@ -557,7 +549,6 @@ mrb_struct_init_copy(mrb_state *mrb, mrb_value copy)
   mrb_get_args(mrb, "o", &s);
 
   if (mrb_obj_equal(mrb, copy, s)) return copy;
-  //mrb_check_frozen(copy);
   if (!mrb_obj_is_instance_of(mrb, s, mrb_obj_class(mrb, copy))) {
     mrb_raise(mrb, E_TYPE_ERROR, "wrong argument class");
   }
diff --git a/src/variable.c b/src/variable.c
index a1a7f2e82..04e5ad9f7 100644
--- a/src/variable.c
+++ b/src/variable.c
@@ -460,10 +460,6 @@ kiv_lookup(khash_t(iv)* table, mrb_sym key, mrb_value *value)
   khash_t(iv) *h=table;
   khiter_t k;
 
-  // you must check(iv==0), before you call this function.
-  //if (!obj->iv) {
-  //  return 0;
-  //}
   k = kh_get(iv, h, key);
   if (k != kh_end(h)) {
     *value = kh_value(h, k);
@@ -505,7 +501,6 @@ mrb_const_defined_at(mrb_state *mrb, struct RClass *klass, mrb_sym id)
 mrb_value
 mrb_attr_get(mrb_state *mrb, mrb_value obj, mrb_sym id)
 {
-  //return ivar_get(obj, id, FALSE);
   return mrb_iv_get(mrb, obj, id);
 }