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Revert "Better cooperation between public/protected/private with attr* and alias_method"

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This reverts commit 81739ad4fd.
This commit is contained in:
Yusuke Endoh 2020-12-18 14:12:42 +09:00
parent 41c208d4a4
commit 982443e6e3
13 changed files with 42 additions and 255 deletions
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10
NEWS.md
View file

@ -249,16 +249,6 @@ Outstanding ones only.
p C.ancestors #=> [C, M1, M2, Object, Kernel, BasicObject]
```
* Module#public, Module#protected and Module#private methods now accept single
array argument with a list of method names. [[Feature #17314]]
* Module#attr_accessor, Module#attr_reader, Module#attr_writer and Module#attr
methods now return array of defined methods names as symbols.
[[Feature #17314]]
* Module#alias_method now returns the defined alias as symbol.
[[Feature #17314]]
* Mutex
* `Mutex` is now acquired per-`Fiber` instead of per-`Thread`. This change

61
object.c
View file

@ -2255,42 +2255,37 @@ id_for_attr(VALUE obj, VALUE name)
/*
* call-seq:
* attr_reader(symbol, ...) -> array
* attr(symbol, ...) -> array
* attr_reader(string, ...) -> array
* attr(string, ...) -> array
* attr_reader(symbol, ...) -> nil
* attr(symbol, ...) -> nil
* attr_reader(string, ...) -> nil
* attr(string, ...) -> nil
*
* Creates instance variables and corresponding methods that return the
* value of each instance variable. Equivalent to calling
* ``<code>attr</code><i>:name</i>'' on each name in turn.
* String arguments are converted to symbols.
* Returns an array of defined methods names as symbols.
*/
static VALUE
rb_mod_attr_reader(int argc, VALUE *argv, VALUE klass)
{
int i;
VALUE names = rb_ary_new2(argc);
for (i=0; i<argc; i++) {
ID id = id_for_attr(klass, argv[i]);
rb_attr(klass, id, TRUE, FALSE, TRUE);
rb_ary_push(names, ID2SYM(id));
rb_attr(klass, id_for_attr(klass, argv[i]), TRUE, FALSE, TRUE);
}
return names;
return Qnil;
}
/**
* call-seq:
* attr(name, ...) -> array
* attr(name, true) -> array
* attr(name, false) -> array
* attr(name, ...) -> nil
* attr(name, true) -> nil
* attr(name, false) -> nil
*
* The first form is equivalent to #attr_reader.
* The second form is equivalent to <code>attr_accessor(name)</code> but deprecated.
* The last form is equivalent to <code>attr_reader(name)</code> but deprecated.
* Returns an array of defined methods names as symbols.
*--
* \private
* \todo can be static?
@ -2300,57 +2295,47 @@ VALUE
rb_mod_attr(int argc, VALUE *argv, VALUE klass)
{
if (argc == 2 && (argv[1] == Qtrue || argv[1] == Qfalse)) {
ID id = id_for_attr(klass, argv[0]);
VALUE names = rb_ary_new();
rb_warning("optional boolean argument is obsoleted");
rb_attr(klass, id, 1, RTEST(argv[1]), TRUE);
rb_ary_push(names, ID2SYM(id));
if (argv[1] == Qtrue) rb_ary_push(names, rb_str_intern(rb_sprintf("%"PRIsVALUE"=", ID2SYM(id))));
return names;
rb_attr(klass, id_for_attr(klass, argv[0]), 1, RTEST(argv[1]), TRUE);
return Qnil;
}
return rb_mod_attr_reader(argc, argv, klass);
}
/*
* call-seq:
* attr_writer(symbol, ...) -> array
* attr_writer(string, ...) -> array
* attr_writer(symbol, ...) -> nil
* attr_writer(string, ...) -> nil
*
* Creates an accessor method to allow assignment to the attribute
* <i>symbol</i><code>.id2name</code>.
* String arguments are converted to symbols.
* Returns an array of defined methods names as symbols.
*/
static VALUE
rb_mod_attr_writer(int argc, VALUE *argv, VALUE klass)
{
int i;
VALUE names = rb_ary_new2(argc);
for (i=0; i<argc; i++) {
ID id = id_for_attr(klass, argv[i]);
rb_attr(klass, id, FALSE, TRUE, TRUE);
rb_ary_push(names, rb_str_intern(rb_sprintf("%"PRIsVALUE"=", ID2SYM(id))));
rb_attr(klass, id_for_attr(klass, argv[i]), FALSE, TRUE, TRUE);
}
return names;
return Qnil;
}
/*
* call-seq:
* attr_accessor(symbol, ...) -> array
* attr_accessor(string, ...) -> array
* attr_accessor(symbol, ...) -> nil
* attr_accessor(string, ...) -> nil
*
* Defines a named attribute for this module, where the name is
* <i>symbol.</i><code>id2name</code>, creating an instance variable
* (<code>@name</code>) and a corresponding access method to read it.
* Also creates a method called <code>name=</code> to set the attribute.
* String arguments are converted to symbols.
* Returns an array of defined methods names as symbols.
*
* module Mod
* attr_accessor(:one, :two) #=> [:one, :one=, :two, :two=]
* attr_accessor(:one, :two)
* end
* Mod.instance_methods.sort #=> [:one, :one=, :two, :two=]
*/
@ -2359,17 +2344,11 @@ static VALUE
rb_mod_attr_accessor(int argc, VALUE *argv, VALUE klass)
{
int i;
VALUE names = rb_ary_new2(argc * 2);
for (i=0; i<argc; i++) {
ID id = id_for_attr(klass, argv[i]);
VALUE idv = ID2SYM(id);
rb_attr(klass, id, TRUE, TRUE, TRUE);
rb_ary_push(names, idv);
rb_ary_push(names, rb_str_intern(rb_sprintf("%"PRIsVALUE"=", idv)));
rb_attr(klass, id_for_attr(klass, argv[i]), TRUE, TRUE, TRUE);
}
return names;
return Qnil;
}
/*

3
process.c
View file

@ -2075,11 +2075,12 @@ check_exec_redirect1(VALUE ary, VALUE key, VALUE param)
rb_ary_push(ary, hide_obj(rb_assoc_new(fd, param)));
}
else {
int i;
int i, n=0;
for (i = 0 ; i < RARRAY_LEN(key); i++) {
VALUE v = RARRAY_AREF(key, i);
VALUE fd = check_exec_redirect_fd(v, !NIL_P(param));
rb_ary_push(ary, hide_obj(rb_assoc_new(fd, param)));
n++;
}
}
return ary;

8
spec/ruby/core/main/fixtures/classes.rb
View file

@ -13,14 +13,6 @@ def main_public_method
end
public :main_public_method
def main_public_method2
end
public :main_public_method2
def main_private_method
end
private :main_private_method
def main_private_method2
end
private :main_private_method2

31
spec/ruby/core/main/private_spec.rb
View file

@ -4,41 +4,20 @@ require_relative 'fixtures/classes'
describe "main#private" do
after :each do
Object.send(:public, :main_public_method)
Object.send(:public, :main_public_method2)
end
context "when single argument is passed and it is not an array" do
it "sets the visibility of the given methods to private" do
eval "private :main_public_method", TOPLEVEL_BINDING
Object.should have_private_method(:main_public_method)
end
end
context "when multiple arguments are passed" do
it "sets the visibility of the given methods to private" do
eval "private :main_public_method, :main_public_method2", TOPLEVEL_BINDING
Object.should have_private_method(:main_public_method)
Object.should have_private_method(:main_public_method2)
end
end
ruby_version_is "3.0" do
context "when single argument is passed and is an array" do
it "sets the visibility of the given methods to private" do
eval "private [:main_public_method, :main_public_method2]", TOPLEVEL_BINDING
Object.should have_private_method(:main_public_method)
Object.should have_private_method(:main_public_method2)
end
end
it "sets the visibility of the given method to private" do
eval "private :main_public_method", TOPLEVEL_BINDING
Object.should have_private_method(:main_public_method)
end
it "returns Object" do
eval("private :main_public_method", TOPLEVEL_BINDING).should equal(Object)
end
it "raises a NameError when at least one of given method names is undefined" do
it "raises a NameError when given an undefined name" do
-> do
eval "private :main_public_method, :main_undefined_method", TOPLEVEL_BINDING
eval "private :main_undefined_method", TOPLEVEL_BINDING
end.should raise_error(NameError)
end
end

27
spec/ruby/core/main/public_spec.rb
View file

@ -4,32 +4,11 @@ require_relative 'fixtures/classes'
describe "main#public" do
after :each do
Object.send(:private, :main_private_method)
Object.send(:private, :main_private_method2)
end
context "when single argument is passed and it is not an array" do
it "sets the visibility of the given methods to public" do
eval "public :main_private_method", TOPLEVEL_BINDING
Object.should_not have_private_method(:main_private_method)
end
end
context "when multiple arguments are passed" do
it "sets the visibility of the given methods to public" do
eval "public :main_private_method, :main_private_method2", TOPLEVEL_BINDING
Object.should_not have_private_method(:main_private_method)
Object.should_not have_private_method(:main_private_method2)
end
end
ruby_version_is "3.0" do
context "when single argument is passed and is an array" do
it "sets the visibility of the given methods to public" do
eval "public [:main_private_method, :main_private_method2]", TOPLEVEL_BINDING
Object.should_not have_private_method(:main_private_method)
Object.should_not have_private_method(:main_private_method2)
end
end
it "sets the visibility of the given method to public" do
eval "public :main_private_method", TOPLEVEL_BINDING
Object.should_not have_private_method(:main_private_method)
end
it "returns Object" do

15
spec/ruby/core/module/alias_method_spec.rb
View file

@ -85,19 +85,8 @@ describe "Module#alias_method" do
Module.should have_public_instance_method(:alias_method, false)
end
describe "returned value" do
ruby_version_is ""..."3.0" do
it "returns self" do
@class.send(:alias_method, :checking_return_value, :public_one).should equal(@class)
end
end
ruby_version_is "3.0" do
it "returns symbol of the defined method name" do
@class.send(:alias_method, :checking_return_value, :public_one).should equal(:checking_return_value)
@class.send(:alias_method, 'checking_return_value', :public_one).should equal(:checking_return_value)
end
end
it "returns self" do
@class.send(:alias_method, :checking_return_value, :public_one).should equal(@class)
end
it "works in module" do

16
spec/ruby/core/module/attr_accessor_spec.rb
View file

@ -67,22 +67,6 @@ describe "Module#attr_accessor" do
Module.should have_public_instance_method(:attr_accessor, false)
end
ruby_version_is ""..."3.0" do
it "returns nil" do
Class.new do
(attr_accessor :foo, 'bar').should == nil
end
end
end
ruby_version_is "3.0" do
it "returns an array of defined methods names as symbols" do
Class.new do
(attr_accessor :foo, 'bar').should == [:foo, :foo=, :bar, :bar=]
end
end
end
describe "on immediates" do
before :each do
class Fixnum

16
spec/ruby/core/module/attr_reader_spec.rb
View file

@ -61,20 +61,4 @@ describe "Module#attr_reader" do
it "is a public method" do
Module.should have_public_instance_method(:attr_reader, false)
end
ruby_version_is ""..."3.0" do
it "returns nil" do
Class.new do
(attr_reader :foo, 'bar').should == nil
end
end
end
ruby_version_is "3.0" do
it "returns an array of defined methods names as symbols" do
Class.new do
(attr_reader :foo, 'bar').should == [:foo, :bar]
end
end
end
end

20
spec/ruby/core/module/attr_spec.rb
View file

@ -145,24 +145,4 @@ describe "Module#attr" do
it "is a public method" do
Module.should have_public_instance_method(:attr, false)
end
ruby_version_is ""..."3.0" do
it "returns nil" do
Class.new do
(attr :foo, 'bar').should == nil
(attr :baz, false).should == nil
(attr :qux, true).should == nil
end
end
end
ruby_version_is "3.0" do
it "returns an array of defined methods names as symbols" do
Class.new do
(attr :foo, 'bar').should == [:foo, :bar]
(attr :baz, false).should == [:baz]
(attr :qux, true).should == [:qux, :qux=]
end
end
end
end

16
spec/ruby/core/module/attr_writer_spec.rb
View file

@ -61,20 +61,4 @@ describe "Module#attr_writer" do
it "is a public method" do
Module.should have_public_instance_method(:attr_writer, false)
end
ruby_version_is ""..."3.0" do
it "returns nil" do
Class.new do
(attr_writer :foo, 'bar').should == nil
end
end
end
ruby_version_is "3.0" do
it "returns an array of defined methods names as symbols" do
Class.new do
(attr_writer :foo, 'bar').should == [:foo=, :bar=]
end
end
end
end

34
spec/ruby/core/module/shared/set_visibility.rb
View file

@ -6,40 +6,6 @@ describe :set_visibility, shared: true do
end
describe "with argument" do
describe "one or more arguments" do
it "sets visibility of given method names" do
visibility = @method
old_visibility = [:protected, :private].find {|vis| vis != visibility }
mod = Module.new {
send old_visibility
def test1() end
def test2() end
send visibility, :test1, :test2
}
mod.should send(:"have_#{visibility}_instance_method", :test1, false)
mod.should send(:"have_#{visibility}_instance_method", :test2, false)
end
end
ruby_version_is "3.0" do
describe "array as a single argument" do
it "sets visibility of given method names" do
visibility = @method
old_visibility = [:protected, :private].find {|vis| vis != visibility }
mod = Module.new {
send old_visibility
def test1() end
def test2() end
send visibility, [:test1, :test2]
}
mod.should send(:"have_#{visibility}_instance_method", :test1, false)
mod.should send(:"have_#{visibility}_instance_method", :test2, false)
end
end
end
it "does not clone method from the ancestor when setting to the same visibility in a child" do
visibility = @method
parent = Module.new {

40
vm_method.c
View file

@ -1941,13 +1941,13 @@ rb_alias(VALUE klass, ID alias_name, ID original_name)
/*
* call-seq:
* alias_method(new_name, old_name) -> symbol
* alias_method(new_name, old_name) -> self
*
* Makes <i>new_name</i> a new copy of the method <i>old_name</i>. This can
* be used to retain access to methods that are overridden.
*
* module Mod
* alias_method :orig_exit, :exit #=> :orig_exit
* alias_method :orig_exit, :exit
* def exit(code=0)
* puts "Exiting with code #{code}"
* orig_exit(code)
@ -1968,19 +1968,8 @@ rb_mod_alias_method(VALUE mod, VALUE newname, VALUE oldname)
if (!oldid) {
rb_print_undef_str(mod, oldname);
}
VALUE id = rb_to_id(newname);
rb_alias(mod, id, oldid);
return ID2SYM(id);
}
static void
check_and_export_method(VALUE self, VALUE name, rb_method_visibility_t visi)
{
ID id = rb_check_id(&name);
if (!id) {
rb_print_undef_str(self, name);
}
rb_export_method(self, id, visi);
rb_alias(mod, rb_to_id(newname), oldid);
return mod;
}
static void
@ -1995,19 +1984,13 @@ set_method_visibility(VALUE self, int argc, const VALUE *argv, rb_method_visibil
return;
}
VALUE v;
if (argc == 1 && (v = rb_check_array_type(argv[0])) != Qnil) {
long j;
for (j = 0; j < RARRAY_LEN(v); j++) {
check_and_export_method(self, RARRAY_AREF(v, j), visi);
for (i = 0; i < argc; i++) {
VALUE v = argv[i];
ID id = rb_check_id(&v);
if (!id) {
rb_print_undef_str(self, v);
}
} else {
for (i = 0; i < argc; i++) {
check_and_export_method(self, argv[i], visi);
}
rb_export_method(self, id, visi);
}
}
@ -2029,7 +2012,6 @@ set_visibility(int argc, const VALUE *argv, VALUE module, rb_method_visibility_t
* public -> self
* public(symbol, ...) -> self
* public(string, ...) -> self
* public(array) -> self
*
* With no arguments, sets the default visibility for subsequently
* defined methods to public. With arguments, sets the named methods to
@ -2048,7 +2030,6 @@ rb_mod_public(int argc, VALUE *argv, VALUE module)
* protected -> self
* protected(symbol, ...) -> self
* protected(string, ...) -> self
* protected(array) -> self
*
* With no arguments, sets the default visibility for subsequently
* defined methods to protected. With arguments, sets the named methods
@ -2076,7 +2057,6 @@ rb_mod_protected(int argc, VALUE *argv, VALUE module)
* private -> self
* private(symbol, ...) -> self
* private(string, ...) -> self
* private(array) -> self
*
* With no arguments, sets the default visibility for subsequently
* defined methods to private. With arguments, sets the named methods