From e3f7b363e8b0ac7eaf78da19001438f40d287f88 Mon Sep 17 00:00:00 2001
From: shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 15 Jun 2008 11:21:40 +0000
Subject: merge revision(s) 15749: 	* numeric.c (fix_coerce): try
 conversion before type check. 	  [ruby-core:15838]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@17206 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 numeric.c | 29 ++++++++++++++++++++---------
 1 file changed, 20 insertions(+), 9 deletions(-)

(limited to 'numeric.c')

diff --git a/numeric.c b/numeric.c
index d6544d3b43..405f99358b 100644
--- a/numeric.c
+++ b/numeric.c
@@ -1537,6 +1537,7 @@ long
 rb_num2long(val)
     VALUE val;
 {
+  again:
     if (NIL_P(val)) {
 	rb_raise(rb_eTypeError, "no implicit conversion from nil to integer");
     }
@@ -1563,7 +1564,7 @@ rb_num2long(val)
 
       default:
 	val = rb_to_int(val);
-	return NUM2LONG(val);
+	goto again;
     }
 }
 
@@ -2427,6 +2428,16 @@ fix_rev(num)
     return LONG2NUM(val);
 }
 
+static VALUE
+fix_coerce(x)
+    VALUE x;
+{
+    while (!FIXNUM_P(x) && TYPE(x) != T_BIGNUM) {
+	x = rb_to_int(x);
+    }
+    return x;
+}
+
 /*
  * call-seq:
  *   fix & other     => integer
@@ -2440,10 +2451,10 @@ fix_and(x, y)
 {
     long val;
 
-    if (TYPE(y) == T_BIGNUM) {
+    if (!FIXNUM_P(y = fix_coerce(y))) {
 	return rb_big_and(y, x);
     }
-    val = FIX2LONG(x) & NUM2LONG(y);
+    val = FIX2LONG(x) & FIX2LONG(y);
     return LONG2NUM(val);
 }
 
@@ -2460,10 +2471,10 @@ fix_or(x, y)
 {
     long val;
 
-    if (TYPE(y) == T_BIGNUM) {
+    if (!FIXNUM_P(y = fix_coerce(y))) {
 	return rb_big_or(y, x);
     }
-    val = FIX2LONG(x) | NUM2LONG(y);
+    val = FIX2LONG(x) | FIX2LONG(y);
     return LONG2NUM(val);
 }
 
@@ -2480,10 +2491,10 @@ fix_xor(x, y)
 {
     long val;
 
-    if (TYPE(y) == T_BIGNUM) {
+    if (!FIXNUM_P(y = fix_coerce(y))) {
 	return rb_big_xor(y, x);
     }
-    val = FIX2LONG(x) ^ NUM2LONG(y);
+    val = FIX2LONG(x) ^ FIX2LONG(y);
     return LONG2NUM(val);
 }
 
@@ -2582,7 +2593,7 @@ fix_aref(fix, idx)
     long val = FIX2LONG(fix);
     long i;
 
-    if (TYPE(idx) == T_BIGNUM) {
+    if (!FIXNUM_P(idx = fix_coerce(idx))) {
 	idx = rb_big_norm(idx);
 	if (!FIXNUM_P(idx)) {
 	    if (!RBIGNUM(idx)->sign || val >= 0)
@@ -2590,7 +2601,7 @@ fix_aref(fix, idx)
 	    return INT2FIX(1);
 	}
     }
-    i = NUM2LONG(idx);
+    i = FIX2LONG(idx);
 
     if (i < 0) return INT2FIX(0);
     if (sizeof(VALUE)*CHAR_BIT-1 < i) {
-- 
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