Gecko [ tsuru-no-tsurugi.tokyo ]

Name	Size	Permission	Date
ast	[ DIR ]	drwxr-xr-x	2026-07-06 06:50
definition_builder	[ DIR ]	drwxr-xr-x	2026-07-06 06:50
prototype	[ DIR ]	drwxr-xr-x	2026-07-06 06:50
test	[ DIR ]	drwxr-xr-x	2026-07-06 06:50
buffer.rb	890 B	-rw-r--r--	2021-07-07 19:08
builtin_names.rb	1.56 KB	-rw-r--r--	2021-07-07 19:08
cli.rb	21.91 KB	-rw-r--r--	2021-07-07 19:08
constant.rb	461 B	-rw-r--r--	2021-07-07 19:08
constant_table.rb	4.89 KB	-rw-r--r--	2021-07-07 19:08
definition.rb	9.17 KB	-rw-r--r--	2021-07-07 19:08
definition_builder.rb	29.39 KB	-rw-r--r--	2021-07-07 19:08
environment.rb	13.72 KB	-rw-r--r--	2021-07-07 19:08
environment_loader.rb	3.06 KB	-rw-r--r--	2021-07-07 19:08
environment_walker.rb	4.11 KB	-rw-r--r--	2021-07-07 19:08
errors.rb	8.66 KB	-rw-r--r--	2021-07-07 19:08
factory.rb	301 B	-rw-r--r--	2021-07-07 19:08
location.rb	2.31 KB	-rw-r--r--	2021-07-07 19:08
method_type.rb	2.15 KB	-rw-r--r--	2021-07-07 19:08
namespace.rb	2.12 KB	-rw-r--r--	2021-07-07 19:08
parser.rb	95.03 KB	-rw-r--r--	2021-07-07 19:08
parser.y	45.51 KB	-rw-r--r--	2021-07-07 19:08
repository.rb	2.64 KB	-rw-r--r--	2021-07-07 19:08
substitution.rb	1.23 KB	-rw-r--r--	2021-07-07 19:08
test.rb	2.57 KB	-rw-r--r--	2021-07-07 19:08
type_name.rb	1.61 KB	-rw-r--r--	2021-07-07 19:08
type_name_resolver.rb	1.56 KB	-rw-r--r--	2021-07-07 19:08
types.rb	25.19 KB	-rw-r--r--	2021-07-07 19:08
validator.rb	1.76 KB	-rw-r--r--	2021-07-07 19:08
variance_calculator.rb	3.89 KB	-rw-r--r--	2021-07-07 19:08
vendorer.rb	2.03 KB	-rw-r--r--	2021-07-07 19:08
version.rb	35 B	-rw-r--r--	2021-07-07 19:08
writer.rb	8.12 KB	-rw-r--r--	2021-07-07 19:08

Rename

module RBS
  class EnvironmentWalker
    InstanceNode = Struct.new(:type_name, keyword_init: true)
    SingletonNode = Struct.new(:type_name, keyword_init: true)
    TypeNameNode = Struct.new(:type_name, keyword_init: true)

attr_reader :env

def initialize(env:)
      @env = env
      @only_ancestors = nil
    end

def builder
      @builder ||= DefinitionBuilder.new(env: env)
    end

def only_ancestors!(only = true)
      @only_ancestors = only
      self
    end

def only_ancestors?
      @only_ancestors
    end

include TSort

def tsort_each_node(&block)
      env.class_decls.each_key do |type_name|
        yield InstanceNode.new(type_name: type_name)
        yield SingletonNode.new(type_name: type_name)
      end
      env.interface_decls.each_key do |type_name|
        yield TypeNameNode.new(type_name: type_name)
      end
      env.alias_decls.each_key do |type_name|
        yield TypeNameNode.new(type_name: type_name)
      end
    end

def tsort_each_child(node, &block)
      name = node.type_name

unless name.namespace.empty?
        yield SingletonNode.new(type_name: name.namespace.to_type_name)
      end

case node
      when TypeNameNode
        case
        when name.interface?
          definition = builder.build_interface(name)
          unless only_ancestors?
            definition.each_type do |type|
              each_type_node type, &block
            end
          end
        when name.alias?
          each_type_node builder.expand_alias(name), &block
        else
          raise "Unexpected TypeNameNode with type_name=#{name}"
        end

when InstanceNode, SingletonNode
        definition = if node.is_a?(InstanceNode)
                       builder.build_instance(name)
                     else
                       builder.build_singleton(name)
                     end

if ancestors = definition.ancestors
          ancestors.ancestors.each do |ancestor|
            case ancestor
            when Definition::Ancestor::Instance
              yield InstanceNode.new(type_name: ancestor.name)

unless only_ancestors?
                ancestor.args.each do |type|
                  each_type_node type, &block
                end
              end
            when Definition::Ancestor::Singleton
              yield SingletonNode.new(type_name: ancestor.name)
            end
          end
        end

unless only_ancestors?
          definition.each_type do |type|
            each_type_node type, &block
          end
        end
      end
    end

def each_type_name(type, &block)
      each_type_node(type) do |node|
        yield node.type_name
      end
    end

def each_type_node(type, &block)
      case type
      when RBS::Types::Bases::Any
      when RBS::Types::Bases::Class
      when RBS::Types::Bases::Instance
      when RBS::Types::Bases::Self
      when RBS::Types::Bases::Top
      when RBS::Types::Bases::Bottom
      when RBS::Types::Bases::Bool
      when RBS::Types::Bases::Void
      when RBS::Types::Bases::Nil
      when RBS::Types::Variable
      when RBS::Types::ClassSingleton
        yield SingletonNode.new(type_name: type.name)
      when RBS::Types::ClassInstance
        yield InstanceNode.new(type_name: type.name)
        type.args.each do |ty|
          each_type_node(ty, &block)
        end
      when RBS::Types::Interface
        yield TypeNameNode.new(type_name: type.name)
        type.args.each do |ty|
          each_type_node(ty, &block)
        end
      when RBS::Types::Alias
        yield TypeNameNode.new(type_name: type.name)
      when RBS::Types::Union, RBS::Types::Intersection, RBS::Types::Tuple
        type.types.each do |ty|
          each_type_node ty, &block
        end
      when RBS::Types::Optional
        each_type_node type.type, &block
      when RBS::Types::Literal
        # nop
      when RBS::Types::Record
        type.fields.each_value do |ty|
          each_type_node ty, &block
        end
      when RBS::Types::Proc
        type.each_type do |ty|
          each_type_node ty, &block
        end
      else
        raise "Unexpected type given: #{type}"
      end
    end
  end
end