* error.c (Init_Exception): remove Exception#to_str. [Ruby2]

* eval.c (error_print): should no call "to_str" anymore use
  "message" method instead.

* io.c (rb_f_open): Kernel#open() calls "to_open" if the first
  argument responds to it. [Ruby2]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6102 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

.cvsignore

@@ -6,6 +6,7 @@
 .ccmalloc
 .ppack
 .ext
+.rbconfig.time
 COPYING.LIB
 ChangeLog.pre-alpha
 ChangeLog.pre1_1

ChangeLog

@@ -1,3 +1,13 @@
+Tue Apr  6 00:14:43 2004  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* error.c (Init_Exception): remove Exception#to_str. [Ruby2]
+
+	* eval.c (error_print): should no call "to_str" anymore use
+	  "message" method instead.
+
+	* io.c (rb_f_open): Kernel#open() calls "to_open" if the first
+	  argument responds to it. [Ruby2]
+
 Tue Apr  6 00:13:43 2004  Masatoshi SEKI  <m_seki@mva.biglobe.ne.jp>
 
 	* lib/rinda/rinda.rb: add require 'drb/drb'

ToDo

@@ -2,6 +2,10 @@ Language Spec.
 
 - Class#allocate - basicNew
 - class Foo::Bar<Baz .. end, module Boo::Bar .. end
+- raise exception by `` error
+- a +1 to be a+1, not a(+1).
+- clarify evaluation order of operator argument (=~, .., ...)
+- :symbol => value hash in the form of {symbol: value, ...} ??
 * operator !! for rescue. ???
 * objectify characters
 * ../... outside condition invokes operator method too.
@@ -14,7 +18,6 @@ Language Spec.
 * def Class#method .. end ??
 * def Foo::Bar::baz() .. end ??
 * I18N (or M17N) script/string/regexp
-* Fixnum 0 as false ????
 * discourage use of symbol variables (e.g. $/, etc.) in manual
 * discourage use of Perlish features by giving warnings.
 * non confusing in-block local variable (is it possible?)
@@ -22,12 +25,9 @@ Language Spec.
   + variables appears within block may have independent values.
 * Regexp: make /o thread safe.
 * decide whether begin with rescue or ensure make do..while loop.
-* a +1 to be a+1, not a(+1).
 * unify == and eql? again
 * to_i returns nil if str contains no digit.
-* raise exception by `` error
 * jar like combined library package. -> RubyGems?
-* resumable Exception via Exception#resume.
 * method combination, e.g. before, after, around, etc.
 * .. or something like defadvice in Emacs.
 * property - for methods, or for objects in general.
@@ -35,8 +35,6 @@ Language Spec.
 * selector namespace - something like generic-flet in CLOS, to help RubyBehavior
 * private instance variable (as in Python?) @_foo in class Foo => @_Foo_foo
 * warn/error "bare word" method, like "foo",  you should type "foo()"
-* clarify evaluation order of operator argument (=~, .., ...)
-* :symbol => value hash in the form of {symbol: value, ...} ??
 
 Hacking Interpreter
 
@@ -83,7 +81,7 @@ Standard Libraries
 - use Mersenne Twister RNG for random.
 - deprecate Array#indexes, and Array#indices.
 - remove dependency on MAXPATHLEN.
-* String#scanf(?)
+- String#scanf(?)
 * Object#fmt(?)
 * Time::strptime
 * Integer[num], Float[num];  Fixnum[num]?
@@ -117,7 +115,7 @@ Extension Libraries
 
 Ruby Libraries
 
-* urllib.rb, nttplib.rb, etc.
+- urllib.rb, nttplib.rb, etc.
 * format like perl's
 
 Tools

error.c

@@ -405,7 +405,6 @@ exc_to_s(exc)
 /*
  * call-seq:
  *   exception.message   =>  string
- *   exception.to_str    =>  string
  *
  * Returns the result of invoking <code>exception.to_s</code>.
  * Normally this returns the exception's message or name. By
@@ -414,7 +413,7 @@ exc_to_s(exc)
  */
 
 static VALUE
-exc_to_str(exc)
+exc_message(exc)
     VALUE exc;
 {
     return rb_funcall(exc, rb_intern("to_s"), 0, 0);
@@ -962,8 +961,7 @@ Init_Exception()
     rb_define_method(rb_eException, "exception", exc_exception, -1);
     rb_define_method(rb_eException, "initialize", exc_initialize, -1);
     rb_define_method(rb_eException, "to_s", exc_to_s, 0);
-    rb_define_method(rb_eException, "to_str", exc_to_str, 0);
-    rb_define_method(rb_eException, "message", exc_to_str, 0);
+    rb_define_method(rb_eException, "message", exc_message, 0);
     rb_define_method(rb_eException, "inspect", exc_inspect, 0);
     rb_define_method(rb_eException, "backtrace", exc_backtrace, 0);
     rb_define_method(rb_eException, "set_backtrace", exc_set_backtrace, 1);

eval.c

@@ -1125,7 +1125,7 @@ error_print()
 
     eclass = CLASS_OF(ruby_errinfo);
     if (EXEC_TAG() == 0) {
-	e = rb_obj_as_string(ruby_errinfo);
+	e = rb_funcall(ruby_errinfo, rb_intern("message"), 0, 0);
 	einfo = RSTRING(e)->ptr;
 	elen = RSTRING(e)->len;
     }

io.c

@@ -3039,10 +3039,17 @@ rb_f_open(argc, argv)
     VALUE *argv;
 {
     if (argc >= 1) {
-	char *str = StringValuePtr(argv[0]);
+	ID to_open = rb_intern("to_open");
 
-	if (str[0] == '|') {
-	    return rb_io_popen(str+1, argc, argv, rb_cIO);
+	if (rb_respond_to(argv[0], to_open)) {
+	    return rb_funcall2(argv[0], to_open, argc-1, argv+1);
+	}
+	else {
+	    char *str = StringValuePtr(argv[0]);
+
+	    if (str[0] == '|') {
+		return rb_io_popen(str+1, argc, argv, rb_cIO);
+	    }
 	}
     }
     return rb_io_s_open(argc, argv, rb_cFile);

lib/optparse.rb

@@ -1584,7 +1584,6 @@ Base class of exceptions from ((<OptionParser>))
     Returns inspection string.
 --- OptionParser::ParseError#message
 --- OptionParser::ParseError#to_s
---- OptionParser::ParseError#to_str
     Default stringizing method to emit standard error message.
 =end #'#"#`#
   class ParseError < RuntimeError
@@ -1625,7 +1624,6 @@ Base class of exceptions from ((<OptionParser>))
     end
 
     alias to_s message
-    alias to_str message
   end
 
 =begin

lib/pathname.rb

@@ -229,6 +229,10 @@ class Pathname
     "#<#{self.class}:#{@path}>"
   end
 
+  def to_open(*args) # :nodoc:
+    Kernel::open(@path, *args)
+  end
+
   #
   # Returns clean pathname of +self+ with consecutive slashes and useless dots
   # removed.  The filesystem is not accessed.