JezK

Edit File: validator.rbs

module RBS
  class Validator
    attr_reader env: Environment

attr_reader resolver: TypeNameResolver

attr_reader definition_builder: DefinitionBuilder

attr_reader type_alias_dependency: TypeAliasDependency

attr_reader type_alias_regularity: TypeAliasRegularity

def initialize: (env: Environment, resolver: TypeNameResolver) -> void

# Validates the presence of type names and type application arity match.
    #
    def validate_type: (Types::t, context: TypeNameResolver::context) -> void

# Validates type alias definition:
    #
    # - There is no circular definition between aliases
    # - The type alias is _regular_
    # - The generics type parameter variance annotation is consistent with respect to their usage
    # - There is no circular dependencies between the generics type parameter bounds
    #
    def validate_type_alias: (entry: Environment::SingleEntry[TypeName, AST::Declarations::Alias]) -> void

# Validates the type parameters in generic methods.
    #
    def validate_method_definition: (AST::Members::MethodDefinition, type_name: TypeName) -> void

# Validates the type parameters if there is no circular dependencies between the bounds.
    #
    # ```rbs
    # [X, Y]                      # OK
    # [X, Y < _Foo[X]]            # OK
    # [X < _Foo[Y], Y]            # OK
    # [X < _Foo[Y], Y < _Foo[X]]  # Error
    # ```
    #
    def validate_type_params: (Array[AST::TypeParam] params, type_name: TypeName, ?method_name: Symbol?, location: Location[untyped, untyped]?) -> void

private

# Resolves relative type names to absolute type names in given context.
    # Yields the type when the type name resolution using `#resolver` fails.
    #
    def absolute_type: (Types::t, context: TypeNameResolver::context) { (Types::t) -> TypeName } -> Types::t
  end
end

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