* parse.y (yylex): no .<digit> floating literal anymore.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3445 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Wed Feb  5 17:11:02 2003  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* parse.y (yylex): no .<digit> floating literal anymore.
+
 Tue Feb  4 16:11:30 2003  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* array.c (rb_ary_equal): a == b is true when b is non T_ARRAY

parse.y

@@ -3645,12 +3645,7 @@ yylex()
 	    lex_state = EXPR_BEG;
 	    pushback(c);
 	    if (ISDIGIT(c)) {
-#if 0
-		c = '-';
-		goto start_num;
-#else
 		return tUMINUS_NUM;
-#endif
 	    }
 	    return tUMINUS;
 	}
@@ -3668,12 +3663,11 @@ yylex()
 	    return tDOT2;
 	}
 	pushback(c);
-	if (!ISDIGIT(c)) {
-	    lex_state = EXPR_DOT;
-	    return '.';
+	if (ISDIGIT(c)) {
+	    rb_warning("no .<digit> floating literal anymore; put 0 before dot");
 	}
-	c = '.';
-	/* fall through */
+	lex_state = EXPR_DOT;
+	return '.';
 
       start_num:
       case '0': case '1': case '2': case '3': case '4':