class ArchSpec::ConcernSemantics

Normalizes the explicit ActiveSupport::Concern DSL after semantic indexing. Callback bodies retain lexical constant references, but their mixins and methods are installed on the consumer. No application code is executed.

Constants

Callback
MIXINS
ModuleBody

Public Class Methods

new ()

Source

# File lib/archspec/concern_semantics.rb, line 12
def initialize
  @modules = []
  @callbacks = Hash.new { |hash, key| hash[key] = [] }
  @dependencies = Hash.new { |hash, key| hash[key] = [] }
  @callback_calls = []
end

Public Instance Methods

apply (graph)

Source

# File lib/archspec/concern_semantics.rb, line 23
def apply(graph)
  @graph = graph
  @mixin_edges = graph.edges.select { |edge| MIXINS.key?(edge.type) }
                      .group_by { |edge| [edge.from_constant, edge.from_path] }
  @concerns = @modules.select { |mod| extends_concern?(mod) }.map(&:name).to_set
  return if @concerns.empty?

  normalize_blocks
  defer_dependencies
  rebuild_mixins
  install_consumers
  @concerns.each do |name|
    graph.expose_instance_methods("#{name}::ClassMethods", as_owner: name, scope: :class)
  end
  graph.clear_method_caches
  apply_callback_receivers
end

record_module (name, path, body)

Source

# File lib/archspec/concern_semantics.rb, line 19
def record_module(name, path, body)
  @modules << ModuleBody.new(name, path, body) if body.is_a?(Prism::StatementsNode)
end