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Contents
# frozen_string_literal: true
# typed: false
module T::Private::Sealed
module NoInherit
def inherited(other)
super
this_line = Kernel.caller.find {|line| !line.match(/in `inherited'$/)}
T::Private::Sealed.validate_inheritance(this_line, self, 'inherited')
end
end
module NoIncludeExtend
def included(other)
super
this_line = Kernel.caller.find {|line| !line.match(/in `included'$/)}
T::Private::Sealed.validate_inheritance(this_line, self, 'included')
end
def extended(other)
super
this_line = Kernel.caller.find {|line| !line.match(/in `extended'$/)}
T::Private::Sealed.validate_inheritance(this_line, self, 'extended')
end
end
def self.declare(mod, decl_file)
if !mod.is_a?(Module)
raise "#{mod} is not a class or module and cannot be declared `sealed!`"
end
if sealed_module?(mod)
raise "#{mod} was already declared `sealed!` and cannot be re-declared `sealed!`"
end
if T::Private::Final.final_module?(mod)
raise "#{mod} was already declared `final!` and cannot be declared `sealed!`"
end
mod.extend(mod.is_a?(Class) ? NoInherit : NoIncludeExtend)
if !decl_file
raise "Couldn't determine declaration file for sealed class."
end
mod.instance_variable_set(:@sorbet_sealed_module_decl_file, decl_file)
end
def self.sealed_module?(mod)
mod.instance_variable_defined?(:@sorbet_sealed_module_decl_file)
end
def self.validate_inheritance(this_line, parent, verb)
this_file = this_line&.split(':').first
decl_file = parent.instance_variable_get(:@sorbet_sealed_module_decl_file)
if !this_file || !decl_file
raise "Couldn't determine enough file information for checking sealed modules"
end
if !this_file.start_with?(decl_file)
raise "#{parent} was declared sealed and can only be #{verb} in #{decl_file}, not #{this_file}"
end
end
end
Version data entries
107 entries across 107 versions & 1 rubygems