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# frozen_string_literal: true
module Contracts
module Support
class << self
def method_position(method)
return method.method_position if method.is_a?(MethodReference)
file, line = method.source_location
if file.nil? || line.nil?
""
else
"#{file}:#{line}"
end
end
def method_name(method)
method.is_a?(Proc) ? "Proc" : method.name
end
# Generates unique id, which can be used as a part of identifier
#
# Example:
# Contracts::Support.unique_id # => "i53u6tiw5hbo"
def unique_id
# Consider using SecureRandom.hex here, and benchmark which one is better
(Time.now.to_f * 1000).to_i.to_s(36) + rand(1_000_000).to_s(36)
end
def contract_id(contract)
contract.object_id
end
def eigenclass_hierarchy_supported?
RUBY_PLATFORM != "java" || RUBY_VERSION.to_f >= 2.0
end
def eigenclass_of(target)
class << target; self; end
end
def eigenclass?(target)
module_eigenclass?(target) ||
target <= eigenclass_of(Object)
end
def indent_string(string, amount)
string.gsub(
/^(?!$)/,
(string[/^[ \t]/] || " ") * amount,
)
end
private
# Module eigenclass can be detected by its ancestor chain
# containing a Module
def module_eigenclass?(target)
target < Module
end
end
end
end
|
