mrkn	2018-02-26 16:57:15 +0900 (Mon, 26 Feb 2018)

  New Revision: 62582

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=62582

  Log:
    Use RB_INTEGER_TYPE_P instead of rb_obj_is_kind_of
    
    For checking whether an object is an Integer, because a subclass of
    Integer is meaningless in Ruby, RB_INTEGER_TYPE_P is better than
    rb_obj_is_kind_of for speed.
    
    * object.c (rb_to_integer): Use RB_INTEGER_TYPE_P instead of rb_obj_is_kind_of.
    
    * object.c (rb_check_to_integer): ditto.
    
    * range.c (range_max): ditto.

  Modified files:
    trunk/object.c
    trunk/range.c
Index: object.c
===================================================================
--- object.c	(revision 62581)
+++ object.c	(revision 62582)
@@ -3043,8 +3043,8 @@ rb_to_integer(VALUE val, const char *met https://github.com/ruby/ruby/blob/trunk/object.c#L3043
     if (FIXNUM_P(val)) return val;
     if (RB_TYPE_P(val, T_BIGNUM)) return val;
     v = convert_type(val, "Integer", method, TRUE);
-    if (!rb_obj_is_kind_of(v, rb_cInteger)) {
-	conversion_mismatch(val, "Integer", method, v);
+    if (!RB_INTEGER_TYPE_P(v)) {
+        conversion_mismatch(val, "Integer", method, v);
     }
     return v;
 }
@@ -3067,8 +3067,8 @@ rb_check_to_integer(VALUE val, const cha https://github.com/ruby/ruby/blob/trunk/object.c#L3067
     if (FIXNUM_P(val)) return val;
     if (RB_TYPE_P(val, T_BIGNUM)) return val;
     v = convert_type(val, "Integer", method, FALSE);
-    if (!rb_obj_is_kind_of(v, rb_cInteger)) {
-	return Qnil;
+    if (!RB_INTEGER_TYPE_P(v)) {
+        return Qnil;
     }
     return v;
 }
Index: range.c
===================================================================
--- range.c	(revision 62581)
+++ range.c	(revision 62582)
@@ -949,29 +949,29 @@ range_max(int argc, VALUE *argv, VALUE r https://github.com/ruby/ruby/blob/trunk/range.c#L949
     int nm = FIXNUM_P(e) || rb_obj_is_kind_of(e, rb_cNumeric);
 
     if (rb_block_given_p() || (EXCL(range) && !nm) || argc) {
-	return rb_call_super(argc, argv);
+        return rb_call_super(argc, argv);
     }
     else {
-	struct cmp_opt_data cmp_opt = { 0, 0 };
-	VALUE b = RANGE_BEG(range);
-	int c = OPTIMIZED_CMP(b, e, cmp_opt);
+        struct cmp_opt_data cmp_opt = { 0, 0 };
+        VALUE b = RANGE_BEG(range);
+        int c = OPTIMIZED_CMP(b, e, cmp_opt);
 
-	if (c > 0)
-	    return Qnil;
-	if (EXCL(range)) {
-	    if (!FIXNUM_P(e) && !rb_obj_is_kind_of(e, rb_cInteger)) {
-		rb_raise(rb_eTypeError, "cannot exclude non Integer end value");
-	    }
-	    if (c == 0) return Qnil;
-	    if (!FIXNUM_P(b) && !rb_obj_is_kind_of(b,rb_cInteger)) {
-		rb_raise(rb_eTypeError, "cannot exclude end value with non Integer begin value");
-	    }
-	    if (FIXNUM_P(e)) {
-		return LONG2NUM(FIX2LONG(e) - 1);
-	    }
-	    return rb_funcall(e, '-', 1, INT2FIX(1));
-	}
-	return e;
+        if (c > 0)
+            return Qnil;
+        if (EXCL(range)) {
+            if (!RB_INTEGER_TYPE_P(e)) {
+                rb_raise(rb_eTypeError, "cannot exclude non Integer end value");
+            }
+            if (c == 0) return Qnil;
+            if (!RB_INTEGER_TYPE_P(b)) {
+                rb_raise(rb_eTypeError, "cannot exclude end value with non Integer begin value");
+            }
+            if (FIXNUM_P(e)) {
+                return LONG2NUM(FIX2LONG(e) - 1);
+            }
+            return rb_funcall(e, '-', 1, INT2FIX(1));
+        }
+        return e;
     }
 }
 

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