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Contents
# typed: true
# frozen_string_literal: true
require "set"
module Tapioca
module Runtime
module Trackers
# Registers a TracePoint immediately upon load to track points at which
# classes and modules are opened for definition. This is used to track
# correspondence between classes/modules and files, as this information isn't
# available in the ruby runtime without extra accounting.
module ConstantDefinition
extend Reflection
@class_files = {}
# Immediately activated upon load. Observes class/module definition.
TracePoint.trace(:class) do |tp|
unless tp.self.singleton_class?
key = name_of(tp.self)
file = tp.path
if file == "(eval)"
file = T.must(caller_locations)
.drop_while { |loc| loc.path == "(eval)" }
.first&.path
end
@class_files[key] ||= Set.new
@class_files[key] << file
end
end
# Returns the files in which this class or module was opened. Doesn't know
# about situations where the class was opened prior to +require+ing,
# or where metaprogramming was used via +eval+, etc.
def self.files_for(klass)
name = String === klass ? klass : name_of(klass)
files = @class_files[name]
files || Set.new
end
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems