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Versions: 18
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Contents
module RBS
class Validator
attr_reader :env
attr_reader :resolver
def initialize(env:, resolver:)
@env = env
@resolver = resolver
end
def absolute_type(type, context:)
type.map_type_name do |type_name, _, type|
resolver.resolve(type_name, context: context) || yield(type)
end
end
# Validates presence of the relative type, and application arity match.
def validate_type(type, context:)
case type
when Types::ClassInstance, Types::Interface
if type.name.namespace.relative?
type = absolute_type(type, context: context) do |type|
NoTypeFoundError.check!(type.name.absolute!, env: env, location: type.location)
end
end
type_params = case type
when Types::ClassInstance
env.class_decls[type.name]&.type_params
when Types::Interface
env.interface_decls[type.name]&.decl&.type_params
end
unless type_params
raise NoTypeFoundError.new(type_name: type.name, location: type.location)
end
InvalidTypeApplicationError.check!(
type_name: type.name,
args: type.args,
params: type_params.each.map(&:name),
location: type.location
)
when Types::Alias, Types::ClassSingleton
type = absolute_type(type, context: context) { type.name.absolute! }
NoTypeFoundError.check!(type.name, env: env, location: type.location)
end
type.each_type do |type|
validate_type(type, context: context)
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems