Class: RBS::Environment

Inherits:
Object
  • Object
show all
Defined in:
lib/rbs/environment.rb,
lib/rbs/environment/use_map.rb,
lib/rbs/environment/class_entry.rb,
lib/rbs/environment/module_entry.rb

Defined Under Namespace

Classes: ClassAliasEntry, ClassEntry, ConstantEntry, GlobalEntry, InterfaceEntry, ModuleAliasEntry, ModuleEntry, SingleEntry, TypeAliasEntry, UseMap

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Environment

Returns a new instance of Environment.



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# File 'lib/rbs/environment.rb', line 48

def initialize
  @sources = []
  @class_decls = {}
  @interface_decls = {}
  @type_alias_decls = {}
  @constant_decls = {}
  @global_decls = {}
  @class_alias_decls = {}
  @normalize_module_name_cache = {}
end

Instance Attribute Details

#class_alias_decls ⇒ Object (readonly)

Returns the value of attribute class_alias_decls.



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# File 'lib/rbs/environment.rb', line 10

def class_alias_decls
  @class_alias_decls
end

#class_decls ⇒ Object (readonly)

Returns the value of attribute class_decls.



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# File 'lib/rbs/environment.rb', line 5

def class_decls
  @class_decls
end

#constant_decls ⇒ Object (readonly)

Returns the value of attribute constant_decls.



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# File 'lib/rbs/environment.rb', line 8

def constant_decls
  @constant_decls
end

#global_decls ⇒ Object (readonly)

Returns the value of attribute global_decls.



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# File 'lib/rbs/environment.rb', line 9

def global_decls
  @global_decls
end

#interface_decls ⇒ Object (readonly)

Returns the value of attribute interface_decls.



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# File 'lib/rbs/environment.rb', line 6

def interface_decls
  @interface_decls
end

#sources ⇒ Object (readonly)

Returns the value of attribute sources.



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# File 'lib/rbs/environment.rb', line 12

def sources
  @sources
end

#type_alias_decls ⇒ Object (readonly)

Returns the value of attribute type_alias_decls.



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# File 'lib/rbs/environment.rb', line 7

def type_alias_decls
  @type_alias_decls
end

Class Method Details

.from_loader(loader) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 69

def self.from_loader(loader)
  self.new.tap do |env|
    loader.load(env: env)
  end
end

Instance Method Details

#absolute_type(resolver, map, type, context:) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 981

def absolute_type(resolver, map, type, context:)
  type.map_type_name do |name, _, _|
    absolute_type_name(resolver, map, name, context: context)
  end
end

#absolute_type_name(resolver, map, type_name, context:) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 976

def absolute_type_name(resolver, map, type_name, context:)
  type_name = map.resolve(type_name) if map
  resolver.resolve(type_name, context: context) || type_name
end

#add_source(source) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 455

def add_source(source)
  sources << source

  case source
  when Source::RBS
    source.declarations.each do |decl|
      insert_rbs_decl(decl, context: nil, namespace: Namespace.root)
    end
  when Source::Ruby
    source.declarations.each do |dir|
      insert_ruby_decl(dir, context: nil, namespace: Namespace.root)
    end
  end
end

#append_context(context, decl) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 568

def append_context(context, decl)
  if (_, last = context)
    last or raise
    [context, last + decl.name]
  else
    [nil, decl.name.absolute!]
  end
end

#buffers ⇒ Object 



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# File 'lib/rbs/environment.rb', line 992

def buffers
  sources.map(&:buffer)
end

#class_alias?(name) ⇒ Boolean

Returns:



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# File 'lib/rbs/environment.rb', line 117

def class_alias?(name)
  if decl = class_alias_decls[name]
    decl.decl.is_a?(AST::Declarations::ClassAlias)
  else
    false
  end
end

#class_decl?(name) ⇒ Boolean

Returns:



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# File 'lib/rbs/environment.rb', line 101

def class_decl?(name)
  class_decls[name].is_a?(ClassEntry)
end

#class_entry(type_name, normalized: false) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 125

def class_entry(type_name, normalized: false)
  case entry = constant_entry(type_name, normalized: normalized || false)
  when ClassEntry, ClassAliasEntry
    entry
  end
end

#constant_decl?(name) ⇒ Boolean

Returns:



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# File 'lib/rbs/environment.rb', line 97

def constant_decl?(name)
  constant_decls.key?(name)
end

#constant_entry(type_name, normalized: false) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 167

def constant_entry(type_name, normalized: false)
  if normalized
    if normalized_name = normalize_module_name?(type_name)
      class_decls.fetch(normalized_name, nil)
    else
      # The type_name may be declared with constant declaration
      unless type_name.namespace.empty?
        parent = type_name.namespace.to_type_name
        normalized_parent = normalize_module_name?(parent) or return
        constant_name = TypeName.new(name: type_name.name, namespace: normalized_parent.to_namespace)
        constant_decls.fetch(constant_name, nil)
      end
    end
  else
    class_decls.fetch(type_name, nil) ||
      class_alias_decls.fetch(type_name, nil) ||
      constant_decls.fetch(type_name, nil)
  end
end

#constant_name?(name) ⇒ Boolean

Returns:



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# File 'lib/rbs/environment.rb', line 93

def constant_name?(name)
  constant_decl?(name) || module_name?(name)
end

#declarations ⇒ Object 



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# File 'lib/rbs/environment.rb', line 14

def declarations
  sources.flat_map(&:declarations)
end

#each_rbs_source(&block) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 470

def each_rbs_source(&block)
  if block
    sources.each do |source|
      if source.is_a?(Source::RBS)
        yield source
      end
    end
  else
    enum_for(:each_rbs_source)
  end
end

#each_ruby_source(&block) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 482

def each_ruby_source(&block)
  if block
    sources.each do |source|
      if source.is_a?(Source::Ruby)
        yield source
      end
    end
  else
    enum_for(:each_ruby_source)
  end
end

#initialize_copy(other) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 59

def initialize_copy(other)
  @sources = other.sources.dup
  @class_decls = other.class_decls.dup
  @interface_decls = other.interface_decls.dup
  @type_alias_decls = other.type_alias_decls.dup
  @constant_decls = other.constant_decls.dup
  @global_decls = other.global_decls.dup
  @class_alias_decls = other.class_alias_decls.dup
end

#insert_rbs_decl(decl, context:, namespace:) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 277

def insert_rbs_decl(decl, context:, namespace:)
  case decl
  when AST::Declarations::Class, AST::Declarations::Module
    name = decl.name.with_prefix(namespace)

    if cdecl = constant_entry(name)
      if cdecl.is_a?(ConstantEntry) || cdecl.is_a?(ModuleAliasEntry) || cdecl.is_a?(ClassAliasEntry)
        raise DuplicatedDeclarationError.new(name, decl, cdecl.decl)
      end
    end

    unless class_decls.key?(name)
      case decl
      when AST::Declarations::Class
        class_decls[name] ||= ClassEntry.new(name)
      when AST::Declarations::Module
        class_decls[name] ||= ModuleEntry.new(name)
      end
    end

    existing_entry = class_decls[name]

    case
    when decl.is_a?(AST::Declarations::Module) && existing_entry.is_a?(ModuleEntry)
      existing_entry << [context, decl]
    when decl.is_a?(AST::Declarations::Class) && existing_entry.is_a?(ClassEntry)
      existing_entry << [context, decl]
    else
      raise DuplicatedDeclarationError.new(name, decl, existing_entry.primary_decl)
    end

    inner_context = [context, name] #: Resolver::context
    inner_namespace = name.to_namespace
    decl.each_decl do |d|
      insert_rbs_decl(d, context: inner_context, namespace: inner_namespace)
    end

  when AST::Declarations::Interface
    name = decl.name.with_prefix(namespace)

    if interface_entry = interface_decls[name]
      raise DuplicatedDeclarationError.new(name, decl, interface_entry.decl)
    end

    interface_decls[name] = InterfaceEntry.new(name: name, decl: decl, context: context)

  when AST::Declarations::TypeAlias
    name = decl.name.with_prefix(namespace)

    if entry = type_alias_decls[name]
      raise DuplicatedDeclarationError.new(name, decl, entry.decl)
    end

    type_alias_decls[name] = TypeAliasEntry.new(name: name, decl: decl, context: context)

  when AST::Declarations::Constant
    name = decl.name.with_prefix(namespace)

    if entry = constant_entry(name)
      case entry
      when ClassAliasEntry, ModuleAliasEntry, ConstantEntry
        raise DuplicatedDeclarationError.new(name, decl, entry.decl)
      when ClassEntry, ModuleEntry
        raise DuplicatedDeclarationError.new(name, decl, *entry.each_decl.to_a)
      end
    end

    constant_decls[name] = ConstantEntry.new(name: name, decl: decl, context: context)

  when AST::Declarations::Global
    if entry = global_decls[decl.name]
      raise DuplicatedDeclarationError.new(decl.name, decl, entry.decl)
    end

    global_decls[decl.name] = GlobalEntry.new(name: decl.name, decl: decl, context: context)

  when AST::Declarations::ClassAlias, AST::Declarations::ModuleAlias
    name = decl.new_name.with_prefix(namespace)

    if entry = constant_entry(name)
      case entry
      when ClassAliasEntry, ModuleAliasEntry, ConstantEntry
        raise DuplicatedDeclarationError.new(name, decl, entry.decl)
      when ClassEntry, ModuleEntry
        raise DuplicatedDeclarationError.new(name, decl, *entry.each_decl.to_a)
      end
    end

    case decl
    when AST::Declarations::ClassAlias
      class_alias_decls[name] = ClassAliasEntry.new(name: name, decl: decl, context: context)
    when AST::Declarations::ModuleAlias
      class_alias_decls[name] = ModuleAliasEntry.new(name: name, decl: decl, context: context)
    end
  end
end

#insert_ruby_decl(decl, context:, namespace:) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 374

def insert_ruby_decl(decl, context:, namespace:)
  case decl
  when AST::Ruby::Declarations::ClassDecl
    name = decl.class_name.with_prefix(namespace)

    if entry = constant_entry(name)
      if entry.is_a?(ConstantEntry) || entry.is_a?(ModuleAliasEntry) || entry.is_a?(ClassAliasEntry)
        raise DuplicatedDeclarationError.new(name, decl, entry.decl)
      end
      if entry.is_a?(ModuleEntry)
        raise DuplicatedDeclarationError.new(name, decl, *entry.each_decl.to_a)
      end
    else
      entry = class_decls[name] = ClassEntry.new(name)
    end

    entry << [context, decl]

    inner_context = [context, name] #: Resolver::context
    decl.each_decl do |member|
      insert_ruby_decl(member, context: inner_context, namespace: name.to_namespace)
    end

  when AST::Ruby::Declarations::ModuleDecl
    name = decl.module_name.with_prefix(namespace)

    if entry = constant_entry(name)
      if entry.is_a?(ConstantEntry) || entry.is_a?(ModuleAliasEntry) || entry.is_a?(ClassAliasEntry)
        raise DuplicatedDeclarationError.new(name, decl, entry.decl)
      end
      if entry.is_a?(ClassEntry)
        raise DuplicatedDeclarationError.new(name, decl, *entry.each_decl.to_a)
      end
    else
      entry = class_decls[name] = ModuleEntry.new(name)
    end

    entry << [context, decl]

    inner_context = [context, name] #: Resolver::context
    decl.each_decl do |member|
      insert_ruby_decl(member, context: inner_context, namespace: name.to_namespace)
    end

  when AST::Ruby::Declarations::ConstantDecl
    name = decl.constant_name.with_prefix(namespace)

    if entry = constant_entry(name)
      case entry
      when ClassAliasEntry, ModuleAliasEntry, ConstantEntry
        raise DuplicatedDeclarationError.new(name, decl, entry.decl)
      when ClassEntry, ModuleEntry
        raise DuplicatedDeclarationError.new(name, decl, *entry.each_decl.to_a)
      end
    end

    constant_decls[name] = ConstantEntry.new(name: name, decl: decl, context: context)

  when AST::Ruby::Declarations::ClassModuleAliasDecl
    name = decl.new_name.with_prefix(namespace)

    if entry = constant_entry(name)
      case entry
      when ClassAliasEntry, ModuleAliasEntry, ConstantEntry
        raise DuplicatedDeclarationError.new(name, decl, entry.decl)
      when ClassEntry, ModuleEntry
        raise DuplicatedDeclarationError.new(name, decl, *entry.each_decl.to_a)
      end
    end

    case decl.annotation
    when AST::Ruby::Annotations::ClassAliasAnnotation
      class_alias_decls[name] = ClassAliasEntry.new(name: name, decl: decl, context: context)
    when AST::Ruby::Annotations::ModuleAliasAnnotation
      class_alias_decls[name] = ModuleAliasEntry.new(name: name, decl: decl, context: context)
    end
  else
    raise "Unknown Ruby declaration type: #{decl.class}"
  end
end

#inspect ⇒ Object 



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# File 'lib/rbs/environment.rb', line 987

def inspect
  ivars = i[@sources @class_decls @class_alias_decls @interface_decls @type_alias_decls @constant_decls @global_decls]
  "\#<RBS::Environment #{ivars.map { |iv| "#{iv}=(#{instance_variable_get(iv).size} items)"}.join(' ')}>"
end

#interface_name?(name) ⇒ Boolean

Returns:



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# File 'lib/rbs/environment.rb', line 75

def interface_name?(name)
  interface_decls.key?(name)
end

#module_alias?(name) ⇒ Boolean

Returns:



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# File 'lib/rbs/environment.rb', line 109

def module_alias?(name)
  if decl = class_alias_decls[name]
    decl.decl.is_a?(AST::Declarations::ModuleAlias)
  else
    false
  end
end

#module_class_entry(type_name, normalized: false) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 154

def module_class_entry(type_name, normalized: false)
  entry = constant_entry(type_name, normalized: normalized || false)
  if entry.is_a?(ConstantEntry)
    nil
  else
    entry
  end
end

#module_decl?(name) ⇒ Boolean

Returns:



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# File 'lib/rbs/environment.rb', line 105

def module_decl?(name)
  class_decls[name].is_a?(ModuleEntry)
end

#module_entry(type_name, normalized: false) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 132

def module_entry(type_name, normalized: false)
  case entry = constant_entry(type_name, normalized: normalized || false)
  when ModuleEntry, ModuleAliasEntry
    entry
  end
end

#module_name?(name) ⇒ Boolean

Returns:



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# File 'lib/rbs/environment.rb', line 83

def module_name?(name)
  class_decls.key?(name) || class_alias_decls.key?(name)
end

#normalize_module_name(name) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 269

def normalize_module_name(name)
  normalize_module_name?(name) || name
end

#normalize_module_name!(name) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 273

def normalize_module_name!(name)
  normalize_module_name?(name) or raise "Module name `#{name}` cannot be normalized"
end

#normalize_module_name?(name) ⇒ Boolean

Returns:



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# File 'lib/rbs/environment.rb', line 241

def normalize_module_name?(name)
  raise "Class/module name is expected: #{name}" unless name.class?
  name = name.absolute! unless name.absolute?

  original_name = name

  if @normalize_module_name_cache.key?(original_name)
    return @normalize_module_name_cache[original_name]
  end

  if alias_entry = class_alias_decls.fetch(name, nil)
    unless alias_entry.decl.old_name.absolute?
      # Having relative old_name means the type name resolution was failed.
      # Run TypeNameResolver for failure reason
      resolver = Resolver::TypeNameResolver.build(self)
      name = resolver.resolve_namespace(name, context: nil)
      @normalize_module_name_cache[original_name] = name
      return name
    end

    name = alias_entry.decl.old_name
  end

  if class_decls.key?(name)
    @normalize_module_name_cache[original_name] = name
  end
end

#normalize_type_name(name) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 219

def normalize_type_name(name)
  normalize_type_name?(name) || name
end

#normalize_type_name!(name) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 206

def normalize_type_name!(name)
  result = normalize_type_name?(name)

  case result
  when TypeName
    result
  when false
    raise "Type name `#{name}` cannot be normalized because it's a cyclic definition"
  when nil
    raise "Type name `#{name}` cannot be normalized because of unknown type name in the path"
  end
end

#normalize_type_name?(name) ⇒ Boolean

Returns:



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# File 'lib/rbs/environment.rb', line 187

def normalize_type_name?(name)
  return normalize_module_name?(name) if name.class?

  type_name =
    unless name.namespace.empty?
      parent = name.namespace.to_type_name
      parent = normalize_module_name?(parent)
      return parent unless parent

      TypeName.new(namespace: parent.to_namespace, name: name.name)
    else
      name
    end

  if type_name?(type_name)
    type_name
  end
end

#normalized_class_entry(type_name) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 139

def normalized_class_entry(type_name)
  if name = normalize_module_name?(type_name)
    case entry = class_entry(name)
    when ClassEntry, nil
      entry
    when ClassAliasEntry
      raise
    end
  end
end

#normalized_module_class_entry(type_name) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 163

def normalized_module_class_entry(type_name)
  module_class_entry(type_name, normalized: true)
end

#normalized_module_entry(type_name) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 150

def normalized_module_entry(type_name)
  module_entry(type_name, normalized: true)
end

#normalized_type_name!(name) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 236

def normalized_type_name!(name)
  normalized_type_name?(name) or raise "Normalized type name is expected but given `#{name}`"
  name
end

#normalized_type_name?(type_name) ⇒ Boolean

Returns:



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# File 'lib/rbs/environment.rb', line 223

def normalized_type_name?(type_name)
  case
  when type_name.interface?
    interface_decls.key?(type_name)
  when type_name.class?
    class_decls.key?(type_name)
  when type_name.alias?
    type_alias_decls.key?(type_name)
  else
    false
  end
end

#resolve_declaration(resolver, map, decl, context:, prefix:) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 577

def resolve_declaration(resolver, map, decl, context:, prefix:)
  if decl.is_a?(AST::Declarations::Global)
    # @type var decl: AST::Declarations::Global
    return AST::Declarations::Global.new(
      name: decl.name,
      type: absolute_type(resolver, map, decl.type, context: nil),
      location: decl.location,
      comment: decl.comment,
      annotations: decl.annotations
    )
  end

  case decl
  when AST::Declarations::Class
    outer_context = context
    inner_context = append_context(outer_context, decl)

    prefix_ = prefix + decl.name.to_namespace
    AST::Declarations::Class.new(
      name: decl.name.with_prefix(prefix),
      type_params: resolve_type_params(resolver, map, decl.type_params, context: inner_context),
      super_class: decl.super_class&.yield_self do |super_class|
        AST::Declarations::Class::Super.new(
          name: absolute_type_name(resolver, map, super_class.name, context: outer_context),
          args: super_class.args.map {|type| absolute_type(resolver, map, type, context: outer_context) },
          location: super_class.location
        )
      end,
      members: decl.members.map do |member|
        case member
        when AST::Members::Base
          resolve_member(resolver, map, member, context: inner_context)
        when AST::Declarations::Base
          resolve_declaration(
            resolver,
            map,
            member,
            context: inner_context,
            prefix: prefix_
          )
        else
          raise
        end
      end,
      location: decl.location,
      annotations: decl.annotations,
      comment: decl.comment
    )

  when AST::Declarations::Module
    outer_context = context
    inner_context = append_context(outer_context, decl)

    prefix_ = prefix + decl.name.to_namespace
    AST::Declarations::Module.new(
      name: decl.name.with_prefix(prefix),
      type_params: resolve_type_params(resolver, map, decl.type_params, context: inner_context),
      self_types: decl.self_types.map do |module_self|
        AST::Declarations::Module::Self.new(
          name: absolute_type_name(resolver, map, module_self.name, context: inner_context),
          args: module_self.args.map {|type| absolute_type(resolver, map, type, context: inner_context) },
          location: module_self.location
        )
      end,
      members: decl.members.map do |member|
        case member
        when AST::Members::Base
          resolve_member(resolver, map, member, context: inner_context)
        when AST::Declarations::Base
          resolve_declaration(
            resolver,
            map,
            member,
            context: inner_context,
            prefix: prefix_
          )
        else
          raise
        end
      end,
      location: decl.location,
      annotations: decl.annotations,
      comment: decl.comment
    )

  when AST::Declarations::Interface
    AST::Declarations::Interface.new(
      name: decl.name.with_prefix(prefix),
      type_params: resolve_type_params(resolver, map, decl.type_params, context: context),
      members: decl.members.map do |member|
        resolve_member(resolver, map, member, context: context)
      end,
      comment: decl.comment,
      location: decl.location,
      annotations: decl.annotations
    )

  when AST::Declarations::TypeAlias
    AST::Declarations::TypeAlias.new(
      name: decl.name.with_prefix(prefix),
      type_params: resolve_type_params(resolver, map, decl.type_params, context: context),
      type: absolute_type(resolver, map, decl.type, context: context),
      location: decl.location,
      annotations: decl.annotations,
      comment: decl.comment
    )

  when AST::Declarations::Constant
    AST::Declarations::Constant.new(
      name: decl.name.with_prefix(prefix),
      type: absolute_type(resolver, map, decl.type, context: context),
      location: decl.location,
      comment: decl.comment,
      annotations: decl.annotations
    )

  when AST::Declarations::ClassAlias
    AST::Declarations::ClassAlias.new(
      new_name: decl.new_name.with_prefix(prefix),
      old_name: absolute_type_name(resolver, map, decl.old_name, context: context),
      location: decl.location,
      comment: decl.comment,
      annotations: decl.annotations
    )

  when AST::Declarations::ModuleAlias
    AST::Declarations::ModuleAlias.new(
      new_name: decl.new_name.with_prefix(prefix),
      old_name: absolute_type_name(resolver, map, decl.old_name, context: context),
      location: decl.location,
      comment: decl.comment,
      annotations: decl.annotations
    )
  end
end

#resolve_member(resolver, map, member, context:) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 862

def resolve_member(resolver, map, member, context:)
  case member
  when AST::Members::MethodDefinition
    AST::Members::MethodDefinition.new(
      name: member.name,
      kind: member.kind,
      overloads: member.overloads.map do |overload|
        overload.update(
          method_type: resolve_method_type(resolver, map, overload.method_type, context: context)
        )
      end,
      comment: member.comment,
      overloading: member.overloading?,
      annotations: member.annotations,
      location: member.location,
      visibility: member.visibility
    )
  when AST::Members::AttrAccessor
    AST::Members::AttrAccessor.new(
      name: member.name,
      type: absolute_type(resolver, map, member.type, context: context),
      kind: member.kind,
      annotations: member.annotations,
      comment: member.comment,
      location: member.location,
      ivar_name: member.ivar_name,
      visibility: member.visibility
    )
  when AST::Members::AttrReader
    AST::Members::AttrReader.new(
      name: member.name,
      type: absolute_type(resolver, map, member.type, context: context),
      kind: member.kind,
      annotations: member.annotations,
      comment: member.comment,
      location: member.location,
      ivar_name: member.ivar_name,
      visibility: member.visibility
    )
  when AST::Members::AttrWriter
    AST::Members::AttrWriter.new(
      name: member.name,
      type: absolute_type(resolver, map, member.type, context: context),
      kind: member.kind,
      annotations: member.annotations,
      comment: member.comment,
      location: member.location,
      ivar_name: member.ivar_name,
      visibility: member.visibility
    )
  when AST::Members::InstanceVariable
    AST::Members::InstanceVariable.new(
      name: member.name,
      type: absolute_type(resolver, map, member.type, context: context),
      comment: member.comment,
      location: member.location
    )
  when AST::Members::ClassInstanceVariable
    AST::Members::ClassInstanceVariable.new(
      name: member.name,
      type: absolute_type(resolver, map, member.type, context: context),
      comment: member.comment,
      location: member.location
    )
  when AST::Members::ClassVariable
    AST::Members::ClassVariable.new(
      name: member.name,
      type: absolute_type(resolver, map, member.type, context: context),
      comment: member.comment,
      location: member.location
    )
  when AST::Members::Include
    AST::Members::Include.new(
      name: absolute_type_name(resolver, map, member.name, context: context),
      args: member.args.map {|type| absolute_type(resolver, map, type, context: context) },
      comment: member.comment,
      location: member.location,
      annotations: member.annotations
    )
  when AST::Members::Extend
    AST::Members::Extend.new(
      name: absolute_type_name(resolver, map, member.name, context: context),
      args: member.args.map {|type| absolute_type(resolver, map, type, context: context) },
      comment: member.comment,
      location: member.location,
      annotations: member.annotations
    )
  when AST::Members::Prepend
    AST::Members::Prepend.new(
      name: absolute_type_name(resolver, map, member.name, context: context),
      args: member.args.map {|type| absolute_type(resolver, map, type, context: context) },
      comment: member.comment,
      location: member.location,
      annotations: member.annotations
    )
  else
    member
  end
end

#resolve_method_type(resolver, map, type, context:) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 962

def resolve_method_type(resolver, map, type, context:)
  type.map_type do |ty|
    absolute_type(resolver, map, ty, context: context)
  end.map_type_bound do |bound|
    _ = absolute_type(resolver, map, bound, context: context)
  end
end

#resolve_ruby_decl(resolver, decl, context:, prefix:) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 713

def resolve_ruby_decl(resolver, decl, context:, prefix:)
  case decl
  when AST::Ruby::Declarations::ClassDecl
    full_name = decl.class_name.with_prefix(prefix)
    inner_context = [context, full_name] #: Resolver::context
    inner_prefix = full_name.to_namespace

    super_class = decl.super_class&.yield_self do |super_class|
      AST::Ruby::Declarations::ClassDecl::SuperClass.new(
        super_class.type_name_location,
        super_class.operator_location,
        absolute_type_name(resolver, nil, super_class.name, context: context),
        super_class.type_annotation&.map_type_name {|name, _, _| absolute_type_name(resolver, nil, name, context: context) }
      )
    end

    AST::Ruby::Declarations::ClassDecl.new(decl.buffer, full_name, decl.node, super_class).tap do |resolved|
      decl.members.each do |member|
        case member
        when AST::Ruby::Declarations::Base
          resolved.members << resolve_ruby_decl(resolver, member, context: inner_context, prefix: inner_prefix)
        when AST::Ruby::Members::Base
          resolved.members << resolve_ruby_member(resolver, member, context: inner_context)
        else
          raise "Unknown member type: #{member.class}"
        end
      end
    end

  when AST::Ruby::Declarations::ModuleDecl
    full_name = decl.module_name.with_prefix(prefix)
    inner_context = [context, full_name] #: Resolver::context
    inner_prefix = full_name.to_namespace

    AST::Ruby::Declarations::ModuleDecl.new(decl.buffer, full_name, decl.node).tap do |resolved|
      decl.members.each do |member|
        case member
        when AST::Ruby::Declarations::Base
          resolved.members << resolve_ruby_decl(resolver, member, context: inner_context, prefix: inner_prefix)
        when AST::Ruby::Members::Base
          resolved.members << resolve_ruby_member(resolver, member, context: inner_context)
        else
          raise "Unknown member type: #{member.class}"
        end
      end
    end

  when AST::Ruby::Declarations::ConstantDecl
    full_name = decl.constant_name.with_prefix(prefix)

    AST::Ruby::Declarations::ConstantDecl.new(
      decl.buffer,
      full_name,
      decl.node,
      decl.leading_comment,
      decl.type_annotation&.map_type_name {|name, _, _| absolute_type_name(resolver, nil, name, context: context) }
    )

  when AST::Ruby::Declarations::ClassModuleAliasDecl
    full_name = decl.new_name.with_prefix(prefix)
    resolved_annotation = decl.annotation.map_type_name {|name, _, _| absolute_type_name(resolver, nil, name, context: context) }
    resolved_infered_name = decl.infered_old_name&.yield_self {|name| absolute_type_name(resolver, nil, name, context: context) }

    AST::Ruby::Declarations::ClassModuleAliasDecl.new(
      decl.buffer,
      decl.node,
      full_name,
      resolved_infered_name,
      decl.leading_comment,
      resolved_annotation
    )

  else
    raise "Unknown declaration type: #{decl.class}"
  end
end

#resolve_ruby_member(resolver, member, context:) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 790

def resolve_ruby_member(resolver, member, context:)
  case member
  when AST::Ruby::Members::DefMember
    AST::Ruby::Members::DefMember.new(
      member.buffer,
      member.name,
      member.node,
      member.method_type.map_type_name {|name, _, _| absolute_type_name(resolver, nil, name, context: context) },
      member.leading_comment
    )
  when AST::Ruby::Members::IncludeMember
    resolved_annotation = member.annotation&.map_type_name {|name, _, _| absolute_type_name(resolver, nil, name, context: context) }
    AST::Ruby::Members::IncludeMember.new(
      member.buffer,
      member.node,
      absolute_type_name(resolver, nil, member.module_name, context: context),
      resolved_annotation
    )
  when AST::Ruby::Members::ExtendMember
    resolved_annotation = member.annotation&.map_type_name {|name, _, _| absolute_type_name(resolver, nil, name, context: context) }
    AST::Ruby::Members::ExtendMember.new(
      member.buffer,
      member.node,
      absolute_type_name(resolver, nil, member.module_name, context: context),
      resolved_annotation
    )
  when AST::Ruby::Members::PrependMember
    resolved_annotation = member.annotation&.map_type_name {|name, _, _| absolute_type_name(resolver, nil, name, context: context) }
    AST::Ruby::Members::PrependMember.new(
      member.buffer,
      member.node,
      absolute_type_name(resolver, nil, member.module_name, context: context),
      resolved_annotation
    )
  when AST::Ruby::Members::AttrReaderMember
    resolved_type_annotation = member.type_annotation&.map_type_name {|name, _, _| absolute_type_name(resolver, nil, name, context: context) }
    AST::Ruby::Members::AttrReaderMember.new(
      member.buffer,
      member.node,
      member.name_nodes,
      member.leading_comment,
      resolved_type_annotation
    )
  when AST::Ruby::Members::AttrWriterMember
    resolved_type_annotation = member.type_annotation&.map_type_name {|name, _, _| absolute_type_name(resolver, nil, name, context: context) }
    AST::Ruby::Members::AttrWriterMember.new(
      member.buffer,
      member.node,
      member.name_nodes,
      member.leading_comment,
      resolved_type_annotation
    )
  when AST::Ruby::Members::AttrAccessorMember
    resolved_type_annotation = member.type_annotation&.map_type_name {|name, _, _| absolute_type_name(resolver, nil, name, context: context) }
    AST::Ruby::Members::AttrAccessorMember.new(
      member.buffer,
      member.node,
      member.name_nodes,
      member.leading_comment,
      resolved_type_annotation
    )
  when AST::Ruby::Members::InstanceVariableMember
    resolved_annotation = member.annotation.map_type_name {|name| absolute_type_name(resolver, nil, name, context: context) }
    AST::Ruby::Members::InstanceVariableMember.new(
      member.buffer,
      resolved_annotation
    )
  else
    raise "Unknown member type: #{member.class}"
  end
end

#resolve_signature(resolver, table, dirs, decls, only: nil) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 500

def resolve_signature(resolver, table, dirs, decls, only: nil)
  map = UseMap.new(table: table)
  dirs.each do |dir|
    case dir
    when AST::Directives::Use
      dir.clauses.each do |clause|
        map.build_map(clause)
      end
    end
  end

  decls = decls.map do |decl|
    if only && !only.member?(decl)
      decl
    else
      resolve_declaration(resolver, map, decl, context: nil, prefix: Namespace.root)
    end
  end

  [dirs, decls]
end

#resolve_type_names(only: nil) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 522

def resolve_type_names(only: nil)
  resolver = Resolver::TypeNameResolver.build(self)
  env = Environment.new

  table = UseMap::Table.new()
  table.known_types.merge(class_decls.keys)
  table.known_types.merge(class_alias_decls.keys)
  table.known_types.merge(type_alias_decls.keys)
  table.known_types.merge(interface_decls.keys)
  table.compute_children

  each_rbs_source do |source|
    resolve = source.directives.find { _1.is_a?(AST::Directives::ResolveTypeNames) } #: AST::Directives::ResolveTypeNames?
    if !resolve || resolve.value
      _, decls = resolve_signature(resolver, table, source.directives, source.declarations, only: only)
    else
      decls = source.declarations
    end
    env.add_source(Source::RBS.new(source.buffer, source.directives, decls))
  end

  each_ruby_source do |source|
    decls = source.declarations.map do |decl|
      if only
        if only.include?(decl)
          resolve_ruby_decl(resolver, decl, context: nil, prefix: Namespace.root)
        else
          decl
        end
      else
        resolve_ruby_decl(resolver, decl, context: nil, prefix: Namespace.root)
      end
    end

    env.add_source(Source::Ruby.new(source.buffer, source.prism_result, decls, source.diagnostics))
  end

  env
end

#resolve_type_params(resolver, map, params, context:) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 970

def resolve_type_params(resolver, map, params, context:)
  params.map do |param|
    param.map_type {|type| _ = absolute_type(resolver, map, type, context: context) }
  end
end

#resolver_context(*nesting) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 562

def resolver_context(*nesting)
  nesting.inject(nil) {|context, decl| #$ Resolver::context
    append_context(context, decl)
  }
end

#type_alias_name?(name) ⇒ Boolean

Returns:



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# File 'lib/rbs/environment.rb', line 79

def type_alias_name?(name)
  type_alias_decls.key?(name)
end

#type_name?(name) ⇒ Boolean

Returns:



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# File 'lib/rbs/environment.rb', line 87

def type_name?(name)
  interface_name?(name) ||
    type_alias_name?(name) ||
    module_name?(name)
end

#unload(paths) ⇒ Object 



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# File 'lib/rbs/environment.rb', line 996

def unload(paths)
  ps = Set[]
  paths.each do |path|
    if path.is_a?(Buffer)
      ps << path.name
    else
      ps << path
    end
  end

  env = Environment.new()

  each_rbs_source do |source|
    next if ps.include?(source.buffer.name)
    env.add_source(source)
  end

  each_ruby_source do |source|
    next if ps.include?(source.buffer.name)
    env.add_source(source)
  end

  env
end

#validate_type_params ⇒ Object 



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# File 'lib/rbs/environment.rb', line 494

def validate_type_params
  class_decls.each_value do |decl|
    decl.validate_type_params
  end
end