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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
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