rename namespace.c (and others) to box.c

29 files changed, 602 insertions, 0 deletions

diff --git a/test/ruby/box/a.1_1_0.rb b/test/ruby/box/a.1_1_0.rb
new file mode 100644
index 0000000000..bf64dbaa62
--- /dev/null
+++ b/test/ruby/box/a.1_1_0.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class NS_A
+  VERSION = "1.1.0"
+
+  def yay
+    "yay #{VERSION}"
+  end
+end
+
+module NS_B
+  VERSION = "1.1.0"
+
+  def self.yay
+    "yay_b1"
+  end
+end
diff --git a/test/ruby/box/a.1_2_0.rb b/test/ruby/box/a.1_2_0.rb
new file mode 100644
index 0000000000..6d25c0885d
--- /dev/null
+++ b/test/ruby/box/a.1_2_0.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class NS_A
+  VERSION = "1.2.0"
+
+  def yay
+    "yay #{VERSION}"
+  end
+end
+
+module NS_B
+  VERSION = "1.2.0"
+
+  def self.yay
+    "yay_b1"
+  end
+end
diff --git a/test/ruby/box/a.rb b/test/ruby/box/a.rb
new file mode 100644
index 0000000000..a6dcd9cd21
--- /dev/null
+++ b/test/ruby/box/a.rb
@@ -0,0 +1,15 @@
+class NS_A
+  FOO = "foo_a1"
+
+  def yay
+    "yay_a1"
+  end
+end
+
+module NS_B
+  BAR = "bar_b1"
+
+  def self.yay
+    "yay_b1"
+  end
+end
diff --git a/test/ruby/box/autoloading.rb b/test/ruby/box/autoloading.rb
new file mode 100644
index 0000000000..19ec00bcd5
--- /dev/null
+++ b/test/ruby/box/autoloading.rb
@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+autoload :NS_A, File.join(__dir__, 'a.1_1_0')
+NS_A.new.yay
+
+module NS_B
+  autoload :BAR, File.join(__dir__, 'a')
+end
diff --git a/test/ruby/box/blank.rb b/test/ruby/box/blank.rb
new file mode 100644
index 0000000000..6d201b0966
--- /dev/null
+++ b/test/ruby/box/blank.rb
@@ -0,0 +1,2 @@
+module Blank1
+end
diff --git a/test/ruby/box/blank1.rb b/test/ruby/box/blank1.rb
new file mode 100644
index 0000000000..6d201b0966
--- /dev/null
+++ b/test/ruby/box/blank1.rb
@@ -0,0 +1,2 @@
+module Blank1
+end
diff --git a/test/ruby/box/blank2.rb b/test/ruby/box/blank2.rb
new file mode 100644
index 0000000000..ba38c1d6db
--- /dev/null
+++ b/test/ruby/box/blank2.rb
@@ -0,0 +1,2 @@
+module Blank2
+end
diff --git a/test/ruby/box/call_proc.rb b/test/ruby/box/call_proc.rb
new file mode 100644
index 0000000000..8acf538fc1
--- /dev/null
+++ b/test/ruby/box/call_proc.rb
@@ -0,0 +1,5 @@
+module Bar
+  def self.caller(proc_value)
+    proc_value.call
+  end
+end
diff --git a/test/ruby/box/call_toplevel.rb b/test/ruby/box/call_toplevel.rb
new file mode 100644
index 0000000000..c311a37028
--- /dev/null
+++ b/test/ruby/box/call_toplevel.rb
@@ -0,0 +1,8 @@
+foo
+
+#### TODO: this code should be valid, but can't be for now
+# module Foo
+#   def self.wow
+#     foo
+#   end
+# end
diff --git a/test/ruby/box/consts.rb b/test/ruby/box/consts.rb
new file mode 100644
index 0000000000..44a383111b
--- /dev/null
+++ b/test/ruby/box/consts.rb
@@ -0,0 +1,147 @@
+class String
+  STR_CONST1 = 111
+  STR_CONST2 = 222
+  STR_CONST3 = 333
+end
+
+class String
+  STR_CONST1 = 112
+
+  def self.set0(val)
+    const_set(:STR_CONST0, val)
+  end
+
+  def self.remove0
+    remove_const(:STR_CONST0)
+  end
+
+  def refer0
+    STR_CONST0
+  end
+
+  def refer1
+    STR_CONST1
+  end
+
+  def refer2
+    STR_CONST2
+  end
+
+  def refer3
+    STR_CONST3
+  end
+end
+
+module ForConsts
+  CONST1 = 111
+end
+
+TOP_CONST = 10
+
+module ForConsts
+  CONST1 = 112
+  CONST2 = 222
+  CONST3 = 333
+
+  def self.refer_all
+    ForConsts::CONST1
+    ForConsts::CONST2
+    ForConsts::CONST3
+    String::STR_CONST1
+    String::STR_CONST2
+    String::STR_CONST3
+  end
+
+  def self.refer1
+    CONST1
+  end
+
+  def self.get1
+    const_get(:CONST1)
+  end
+
+  def self.refer2
+    CONST2
+  end
+
+  def self.get2
+    const_get(:CONST2)
+  end
+
+  def self.refer3
+    CONST3
+  end
+
+  def self.get3
+    const_get(:CONST3)
+  end
+
+  def self.refer_top_const
+    TOP_CONST
+  end
+
+  # for String
+  class Proxy
+    def call_str_refer0
+      String.new.refer0
+    end
+
+    def call_str_get0
+      String.const_get(:STR_CONST0)
+    end
+
+    def call_str_set0(val)
+      String.set0(val)
+    end
+
+    def call_str_remove0
+      String.remove0
+    end
+
+    def call_str_refer1
+      String.new.refer1
+    end
+
+    def call_str_get1
+      String.const_get(:STR_CONST1)
+    end
+
+    String::STR_CONST2 = 223
+
+    def call_str_refer2
+      String.new.refer2
+    end
+
+    def call_str_get2
+      String.const_get(:STR_CONST2)
+    end
+
+    def call_str_set3
+      String.const_set(:STR_CONST3, 334)
+    end
+
+    def call_str_refer3
+      String.new.refer3
+    end
+
+    def call_str_get3
+      String.const_get(:STR_CONST3)
+    end
+
+    # for Integer
+    Integer::INT_CONST1 = 1
+
+    def refer_int_const1
+      Integer::INT_CONST1
+    end
+  end
+end
+
+# should not raise errors
+ForConsts.refer_all
+String::STR_CONST1
+Integer::INT_CONST1
+
+# If we execute this sentence once, the constant value will be cached on ISeq inline constant cache.
+# And it changes the behavior of ForConsts.refer_consts_directly called from global.
+# ForConsts.refer_consts_directly # should not raise errors too
diff --git a/test/ruby/box/current.rb b/test/ruby/box/current.rb
new file mode 100644
index 0000000000..4af9a92ddc
--- /dev/null
+++ b/test/ruby/box/current.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+$ns_in_ns = ::Namespace.current
+
+module CurrentNamespace
+  def self.in_require
+    $ns_in_ns
+  end
+
+  def self.in_method_call
+    ::Namespace.current
+  end
+end
diff --git a/test/ruby/box/define_toplevel.rb b/test/ruby/box/define_toplevel.rb
new file mode 100644
index 0000000000..aa77db3a13
--- /dev/null
+++ b/test/ruby/box/define_toplevel.rb
@@ -0,0 +1,5 @@
+def foo
+  "foooooooooo"
+end
+
+foo # should not raise errors
diff --git a/test/ruby/box/global_vars.rb b/test/ruby/box/global_vars.rb
new file mode 100644
index 0000000000..3764eb0d19
--- /dev/null
+++ b/test/ruby/box/global_vars.rb
@@ -0,0 +1,37 @@
+module LineSplitter
+  def self.read
+    $-0
+  end
+
+  def self.write(char)
+    $-0 = char
+  end
+end
+
+module FieldSplitter
+  def self.read
+    $,
+  end
+
+  def self.write(char)
+    $, = char
+  end
+end
+
+module UniqueGvar
+  def self.read
+    $used_only_in_ns
+  end
+
+  def self.write(val)
+    $used_only_in_ns = val
+  end
+
+  def self.write_only(val)
+    $write_only_var_in_ns = val
+  end
+
+  def self.gvars_in_ns
+    global_variables
+  end
+end
diff --git a/test/ruby/box/instance_variables.rb b/test/ruby/box/instance_variables.rb
new file mode 100644
index 0000000000..1562ad5d45
--- /dev/null
+++ b/test/ruby/box/instance_variables.rb
@@ -0,0 +1,21 @@
+class String
+  class << self
+    attr_reader :str_ivar1
+
+    def str_ivar2
+      @str_ivar2
+    end
+  end
+
+  @str_ivar1 = 111
+  @str_ivar2 = 222
+end
+
+class StringDelegator < BasicObject
+private
+  def method_missing(...)
+    ::String.public_send(...)
+  end
+end
+
+StringDelegatorObj = StringDelegator.new
diff --git a/test/ruby/box/line_splitter.rb b/test/ruby/box/line_splitter.rb
new file mode 100644
index 0000000000..2596975ad7
--- /dev/null
+++ b/test/ruby/box/line_splitter.rb
@@ -0,0 +1,9 @@
+module LineSplitter
+  def self.read
+    $-0
+  end
+
+  def self.write(char)
+    $-0 = char
+  end
+end
diff --git a/test/ruby/box/load_path.rb b/test/ruby/box/load_path.rb
new file mode 100644
index 0000000000..7e5a83ef96
--- /dev/null
+++ b/test/ruby/box/load_path.rb
@@ -0,0 +1,26 @@
+module LoadPathCheck
+  FIRST_LOAD_PATH = $LOAD_PATH.dup
+  FIRST_LOAD_PATH_RESPOND_TO_RESOLVE = $LOAD_PATH.respond_to?(:resolve_feature_path)
+  FIRST_LOADED_FEATURES = $LOADED_FEATURES.dup
+
+  HERE = File.dirname(__FILE__)
+
+  def self.current_load_path
+    $LOAD_PATH
+  end
+
+  def self.current_loaded_features
+    $LOADED_FEATURES
+  end
+
+  def self.require_blank1
+    $LOAD_PATH << HERE
+    require 'blank1'
+  end
+
+  def self.require_blank2
+    require 'blank2'
+  end
+end
+
+LoadPathCheck.require_blank1
diff --git a/test/ruby/box/ns.rb b/test/ruby/box/ns.rb
new file mode 100644
index 0000000000..e947e3cdc8
--- /dev/null
+++ b/test/ruby/box/ns.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+NS1 = Namespace.new
+NS1.require_relative('a.1_1_0')
+
+def yay
+  NS1::NS_B::yay
+end
+
+yay
diff --git a/test/ruby/box/open_class_with_include.rb b/test/ruby/box/open_class_with_include.rb
new file mode 100644
index 0000000000..ad8fd58ea0
--- /dev/null
+++ b/test/ruby/box/open_class_with_include.rb
@@ -0,0 +1,31 @@
+module StringExt
+  FOO = "foo 1"
+  def say_foo
+    "I'm saying " + FOO
+  end
+end
+
+class String
+  include StringExt
+  def say
+    say_foo
+  end
+end
+
+module OpenClassWithInclude
+  def self.say
+    String.new.say
+  end
+
+  def self.say_foo
+    String.new.say_foo
+  end
+
+  def self.say_with_obj(str)
+    str.say
+  end
+
+  def self.refer_foo
+    String::FOO
+  end
+end
diff --git a/test/ruby/box/proc_callee.rb b/test/ruby/box/proc_callee.rb
new file mode 100644
index 0000000000..d30ab5d9f3
--- /dev/null
+++ b/test/ruby/box/proc_callee.rb
@@ -0,0 +1,14 @@
+module Target
+  def self.foo
+    "fooooo"
+  end
+end
+
+module Foo
+  def self.callee
+    lambda do
+      Target.foo
+    end
+  end
+end
+
diff --git a/test/ruby/box/proc_caller.rb b/test/ruby/box/proc_caller.rb
new file mode 100644
index 0000000000..8acf538fc1
--- /dev/null
+++ b/test/ruby/box/proc_caller.rb
@@ -0,0 +1,5 @@
+module Bar
+  def self.caller(proc_value)
+    proc_value.call
+  end
+end
diff --git a/test/ruby/box/procs.rb b/test/ruby/box/procs.rb
new file mode 100644
index 0000000000..a7fe58ceb6
--- /dev/null
+++ b/test/ruby/box/procs.rb
@@ -0,0 +1,64 @@
+class String
+  FOO = "foo"
+  def yay
+    "yay"
+  end
+end
+
+module ProcLookupTestA
+  module B
+    VALUE = 222
+  end
+end
+
+module ProcInNS
+  def self.make_proc_from_block(&b)
+    b
+  end
+
+  def self.call_proc(proc_arg)
+    proc_arg.call
+  end
+
+  def self.make_str_proc(type)
+    case type
+    when :proc_new then Proc.new { String.new.yay }
+    when :proc_f   then proc { String.new.yay }
+    when :lambda_f then lambda { String.new.yay }
+    when :lambda_l then ->(){ String.new.yay }
+    when :block    then make_proc_from_block { String.new.yay }
+    else
+      raise "invalid type :#{type}"
+    end
+  end
+
+  def self.make_const_proc(type)
+    case type
+    when :proc_new then Proc.new { ProcLookupTestA::B::VALUE }
+    when :proc_f   then proc { ProcLookupTestA::B::VALUE }
+    when :lambda_f then lambda { ProcLookupTestA::B::VALUE }
+    when :lambda_l then ->(){ ProcLookupTestA::B::VALUE }
+    when :block    then make_proc_from_block { ProcLookupTestA::B::VALUE }
+    else
+      raise "invalid type :#{type}"
+    end
+  end
+
+  def self.make_str_const_proc(type)
+    case type
+    when :proc_new then Proc.new { String::FOO }
+    when :proc_f   then proc { String::FOO }
+    when :lambda_f then lambda { String::FOO }
+    when :lambda_l then ->(){ String::FOO }
+    when :block    then make_proc_from_block { String::FOO }
+    else
+      raise "invalid type :#{type}"
+    end
+  end
+
+  CONST_PROC_NEW = Proc.new { [String.new.yay, String::FOO, ProcLookupTestA::B::VALUE.to_s].join(',') }
+  CONST_PROC_F   = proc { [String.new.yay, String::FOO, ProcLookupTestA::B::VALUE.to_s].join(',') }
+  CONST_LAMBDA_F = lambda { [String.new.yay, String::FOO, ProcLookupTestA::B::VALUE.to_s].join(',') }
+  CONST_LAMBDA_L = ->() { [String.new.yay, String::FOO, ProcLookupTestA::B::VALUE.to_s].join(',') }
+  CONST_BLOCK    = make_proc_from_block { [String.new.yay, String::FOO, ProcLookupTestA::B::VALUE.to_s].join(',') }
+end
diff --git a/test/ruby/box/raise.rb b/test/ruby/box/raise.rb
new file mode 100644
index 0000000000..efb67f85c5
--- /dev/null
+++ b/test/ruby/box/raise.rb
@@ -0,0 +1,3 @@
+# frozen_string_literal: true
+
+raise "Yay!"
diff --git a/test/ruby/box/returns_proc.rb b/test/ruby/box/returns_proc.rb
new file mode 100644
index 0000000000..bb816e5024
--- /dev/null
+++ b/test/ruby/box/returns_proc.rb
@@ -0,0 +1,12 @@
+module Foo
+  def self.foo
+    "fooooo"
+  end
+
+  def self.callee
+    lambda do
+      Foo.foo
+    end
+  end
+end
+
diff --git a/test/ruby/box/singleton_methods.rb b/test/ruby/box/singleton_methods.rb
new file mode 100644
index 0000000000..05470932d2
--- /dev/null
+++ b/test/ruby/box/singleton_methods.rb
@@ -0,0 +1,65 @@
+class String
+  def self.greeting
+    "Good evening!"
+  end
+end
+
+class Integer
+  class << self
+    def answer
+      42
+    end
+  end
+end
+
+class Array
+  def a
+    size
+  end
+  def self.blank
+    []
+  end
+  def b
+    size
+  end
+end
+
+class Hash
+  def a
+    size
+  end
+  class << self
+    def http_200
+      {status: 200, body: 'OK'}
+    end
+  end
+  def b
+    size
+  end
+end
+
+module SingletonMethods
+  def self.string_greeing
+    String.greeting
+  end
+
+  def self.integer_answer
+    Integer.answer
+  end
+
+  def self.array_blank
+    Array.blank
+  end
+
+  def self.hash_http_200
+    Hash.http_200
+  end
+
+  def self.array_instance_methods_return_size(ary)
+    [ary.a, ary.b]
+  end
+
+  def self.hash_instance_methods_return_size(hash)
+    [hash.a, hash.b]
+  end
+end
diff --git a/test/ruby/box/string_ext.rb b/test/ruby/box/string_ext.rb
new file mode 100644
index 0000000000..d8c5a3d661
--- /dev/null
+++ b/test/ruby/box/string_ext.rb
@@ -0,0 +1,13 @@
+class String
+  def yay
+    "yay"
+  end
+end
+
+String.new.yay # check this doesn't raise NoMethodError
+
+module Bar
+  def self.yay
+    String.new.yay
+  end
+end
diff --git a/test/ruby/box/string_ext_caller.rb b/test/ruby/box/string_ext_caller.rb
new file mode 100644
index 0000000000..b8345d98ed
--- /dev/null
+++ b/test/ruby/box/string_ext_caller.rb
@@ -0,0 +1,5 @@
+module Foo
+  def self.yay
+    String.new.yay
+  end
+end
diff --git a/test/ruby/box/string_ext_calling.rb b/test/ruby/box/string_ext_calling.rb
new file mode 100644
index 0000000000..6467b728dd
--- /dev/null
+++ b/test/ruby/box/string_ext_calling.rb
@@ -0,0 +1 @@
+Foo.yay
diff --git a/test/ruby/box/string_ext_eval_caller.rb b/test/ruby/box/string_ext_eval_caller.rb
new file mode 100644
index 0000000000..0e6b20c19f
--- /dev/null
+++ b/test/ruby/box/string_ext_eval_caller.rb
@@ -0,0 +1,12 @@
+module Baz
+  def self.yay
+    eval 'String.new.yay'
+  end
+
+  def self.yay_with_binding
+    suffix = ", yay!"
+    eval 'String.new.yay + suffix', binding
+  end
+end
+
+Baz.yay # should not raise NeMethodError
diff --git a/test/ruby/box/top_level.rb b/test/ruby/box/top_level.rb
new file mode 100644
index 0000000000..90df145578
--- /dev/null
+++ b/test/ruby/box/top_level.rb
@@ -0,0 +1,33 @@
+def yaaay
+  "yay!"
+end
+
+module Foo
+  def self.foo
+    yaaay
+  end
+end
+
+eval 'def foo; "foo"; end'
+
+Foo.foo # Should not raise NameError
+
+foo
+
+module Bar
+  def self.bar
+    foo
+  end
+end
+
+Bar.bar
+
+$def_retval_in_namespace = def boooo
+  "boo"
+end
+
+module Baz
+  def self.baz
+    raise "#{$def_retval_in_namespace}"
+  end
+end