Module: Rtype
- Extended by:
- Rtype
- Included in:
- Rtype
- Defined in:
- lib/rtype/legacy.rb,
lib/rtype/behavior.rb,
lib/rtype/behavior/and.rb,
lib/rtype/behavior/not.rb,
lib/rtype/behavior/xor.rb,
lib/rtype/behavior/base.rb,
lib/rtype/legacy/version.rb,
lib/rtype/type_signature.rb,
lib/rtype/rtype_component.rb,
lib/rtype/behavior/nilable.rb,
lib/rtype/method_annotator.rb,
lib/rtype/return_type_error.rb,
lib/rtype/behavior/typed_set.rb,
lib/rtype/argument_type_error.rb,
lib/rtype/behavior/typed_hash.rb,
lib/rtype/behavior/float_check.rb,
lib/rtype/behavior/typed_array.rb,
lib/rtype/type_signature_error.rb,
lib/rtype/behavior/integer_check.rb,
lib/rtype/behavior/numeric_check.rb
Defined Under Namespace
Modules: Behavior, Legacy, MethodAnnotator Classes: ArgumentTypeError, ReturnTypeError, RtypeComponent, TypeSignature, TypeSignatureError
Constant Summary collapse
- @@type_signatures =
This is just ‘information’ Any change of this doesn’t affect type checking
Hash.new
Class Method Summary collapse
Instance Method Summary collapse
- #arg_message(idx) ⇒ String
-
#arg_type_error_message(idx, expected, value) ⇒ String
A error message.
-
#assert_arguments_type(expected_args, args) ⇒ void
Validates arguments.
- #assert_return_type(expected, result) ⇒ Object
-
#assert_valid_argument_type_sig_element(sig) ⇒ Object
Checks the type behavior is valid.
-
#assert_valid_arguments_type_sig(sig) ⇒ Object
Checks the arguments type signature is valid.
- #assert_valid_return_type_sig(sig) ⇒ Object
-
#assert_valid_type_sig(sig) ⇒ Object
Checks the type signature is valid.
- #define_typed_accessor(owner, name, type_behavior, singleton) ⇒ void
-
#define_typed_method(owner, method_name, type_sig_info, singleton) ⇒ void
Makes the method typed.
- #define_typed_reader(owner, name, type_behavior, singleton) ⇒ void
- #define_typed_writer(owner, name, type_behavior, singleton) ⇒ void
- #nilable(*args) ⇒ Object
- #not(*args) ⇒ Object
-
#type_error_message(expected, value) ⇒ String
Returns a error message for the pair of type behavior and value.
-
#type_signatures ⇒ Hash
This is just ‘information’ Any change of this doesn’t affect type checking.
-
#valid?(expected, value) ⇒ Boolean
Checks the value is valid for the type behavior.
- #xor(*args) ⇒ Object
Class Method Details
.and(*args) ⇒ Object
21 22 23 |
# File 'lib/rtype/behavior/and.rb', line 21 def self.and(*args) Behavior::And[*args] end |
Instance Method Details
#arg_message(idx) ⇒ String
142 143 144 |
# File 'lib/rtype/legacy.rb', line 142 def (idx) "for #{ordinalize_number(idx+1)} argument:" end |
#arg_type_error_message(idx, expected, value) ⇒ String
Returns A error message.
137 138 139 |
# File 'lib/rtype/legacy.rb', line 137 def (idx, expected, value) "#{(idx)}\n" + (expected, value) end |
#assert_arguments_type(expected_args, args) ⇒ void
This method returns an undefined value.
Validates arguments
326 327 328 329 330 331 332 333 334 335 336 337 338 |
# File 'lib/rtype/legacy.rb', line 326 def assert_arguments_type(expected_args, args) e_len = expected_args.length # `length.times` is faster than `each_with_index` args.length.times do |i| break if i >= e_len expected = expected_args[i] value = args[i] unless valid?(expected, value) raise ArgumentTypeError, "#{(i)}\n" + (expected, value) end end nil end |
#assert_return_type(expected, result) ⇒ Object
350 351 352 353 354 355 |
# File 'lib/rtype/legacy.rb', line 350 def assert_return_type(expected, result) unless valid?(expected, result) raise ReturnTypeError, "for return:\n" + (expected, result) end nil end |
#assert_valid_argument_type_sig_element(sig) ⇒ Object
Checks the type behavior is valid
248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 |
# File 'lib/rtype/legacy.rb', line 248 def assert_valid_argument_type_sig_element(sig) case sig when Rtype::Behavior::Base when Module when Symbol when Regexp when Range when Array sig.each do |e| assert_valid_argument_type_sig_element(e) end when Hash sig.each_value do |e| assert_valid_argument_type_sig_element(e) end when Proc when true when false when nil else raise TypeSignatureError, "Invalid type signature: Unknown type behavior #{sig}" end end |
#assert_valid_arguments_type_sig(sig) ⇒ Object
Checks the arguments type signature is valid
e.g. ‘[Integer]`, `“value”` are valid (the second is keyword argument signature and ignored in rtype-legacy). `Integer` is invalid.
223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 |
# File 'lib/rtype/legacy.rb', line 223 def assert_valid_arguments_type_sig(sig) if sig.is_a?(Array) sig = sig.dup if sig.last.is_a?(Hash) kwargs = sig.pop else kwargs = {} end sig.each { |e| assert_valid_argument_type_sig_element(e) } unless kwargs.empty? raise TypeSignatureError, "Invalid type signature: keyword arguments must be empty" end elsif sig.is_a?(Hash) unless kwargs.empty? raise TypeSignatureError, "Invalid type signature: keyword arguments must be empty" end else raise TypeSignatureError, "Invalid type signature: arguments type signature is neither array nor hash" end end |
#assert_valid_return_type_sig(sig) ⇒ Object
273 274 275 |
# File 'lib/rtype/legacy.rb', line 273 def assert_valid_return_type_sig(sig) assert_valid_argument_type_sig_element(sig) end |
#assert_valid_type_sig(sig) ⇒ Object
Checks the type signature is valid
e.g. ‘[Integer] => Any` is valid. `[Integer]` or `Any` are invalid
204 205 206 207 208 209 210 211 212 213 |
# File 'lib/rtype/legacy.rb', line 204 def assert_valid_type_sig(sig) unless sig.is_a?(Hash) raise TypeSignatureError, "Invalid type signature: type signature is not hash" end if sig.empty? raise TypeSignatureError, "Invalid type signature: type signature is empty hash" end assert_valid_arguments_type_sig(sig.first[0]) assert_valid_return_type_sig(sig.first[1]) end |
#define_typed_accessor(owner, name, type_behavior, singleton) ⇒ void
This method returns an undefined value.
89 90 91 92 |
# File 'lib/rtype/legacy.rb', line 89 def define_typed_accessor(owner, name, type_behavior, singleton) define_typed_reader(owner, name, type_behavior, singleton) define_typed_writer(owner, name, type_behavior, singleton) end |
#define_typed_method(owner, method_name, type_sig_info, singleton) ⇒ void
This method returns an undefined value.
Makes the method typed
47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 |
# File 'lib/rtype/legacy.rb', line 47 def define_typed_method(owner, method_name, type_sig_info, singleton) method_name = method_name.to_sym raise ArgumentError, "method_name is nil" if method_name.nil? raise ArgumentError, "singleton must be a boolean" unless singleton.is_a?(Boolean) assert_valid_type_sig(type_sig_info) el = type_sig_info.first arg_sig = el[0] return_sig = el[1] if arg_sig.is_a?(Array) expected_args = arg_sig.dup if expected_args.last.is_a?(Hash) kwargs = expected_args.pop # empty kwargs signature else # empty kwargs signature end elsif arg_sig.is_a?(Hash) # empty kwargs signature expected_args = [] end sig = TypeSignature.new sig.argument_type = arg_sig sig.return_type = return_sig unless @@type_signatures.key?(owner) @@type_signatures[owner] = {} end @@type_signatures[owner][method_name] = sig redefine_method_to_typed(owner, method_name, expected_args, return_sig, singleton) end |
#define_typed_reader(owner, name, type_behavior, singleton) ⇒ void
This method returns an undefined value.
102 103 104 105 106 |
# File 'lib/rtype/legacy.rb', line 102 def define_typed_reader(owner, name, type_behavior, singleton) raise ArgumentError, "name is nil" if name.nil? valid?(type_behavior, nil) define_typed_method owner, name.to_sym, {[] => type_behavior}, singleton end |
#define_typed_writer(owner, name, type_behavior, singleton) ⇒ void
This method returns an undefined value.
116 117 118 119 120 |
# File 'lib/rtype/legacy.rb', line 116 def define_typed_writer(owner, name, type_behavior, singleton) raise ArgumentError, "name is nil" if name.nil? valid?(type_behavior, nil) define_typed_method owner, :"#{name.to_sym}=", {[type_behavior] => Any}, singleton end |
#nilable(*args) ⇒ Object
18 19 20 |
# File 'lib/rtype/behavior/nilable.rb', line 18 def nilable(*args) Behavior::Nilable[*args] end |
#not(*args) ⇒ Object
21 22 23 |
# File 'lib/rtype/behavior/not.rb', line 21 def not(*args) Behavior::Not[*args] end |
#type_error_message(expected, value) ⇒ String
This method doesn’t check the value is valid
Returns a error message for the pair of type behavior and value
154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 |
# File 'lib/rtype/legacy.rb', line 154 def (expected, value) case expected when Rtype::Behavior::Base expected.(value) when Module "Expected #{value.inspect} to be a #{expected}" when Symbol "Expected #{value.inspect} to respond to :#{expected}" when Regexp "Expected stringified #{value.inspect} to match regexp #{expected.inspect}" when Range "Expected #{value.inspect} to be included in range #{expected.inspect}" when Array arr = expected.map { |e| (e, value) } arr.join("\nOR ") when Hash if value.is_a?(Hash) arr = [] expected.each do |k, v| if v.is_a?(Array) || v.is_a?(Hash) arr << "- #{k} : {\n" + (v, value[k]) + "\n}" else arr << "- #{k} : " + (v, value[k]) end end "Expected #{value.inspect} to be a hash with #{expected.length} elements:\n" + arr.join("\n") else "Expected #{value.inspect} to be a hash" end when Proc "Expected #{value.inspect} to return a truthy value for proc #{expected}" when true "Expected #{value.inspect} to be a truthy value" when false "Expected #{value.inspect} to be a falsy value" when nil # for return "Expected #{value.inspect} to be nil" else raise TypeSignatureError, "Invalid type behavior #{expected}" end end |
#type_signatures ⇒ Hash
type_signatures[method_name]
This is just ‘information’ Any change of this doesn’t affect type checking
127 128 129 |
# File 'lib/rtype/legacy.rb', line 127 def type_signatures @@type_signatures end |
#valid?(expected, value) ⇒ Boolean
Checks the value is valid for the type behavior
285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 |
# File 'lib/rtype/legacy.rb', line 285 def valid?(expected, value) case expected when Module value.is_a? expected when Symbol value.respond_to? expected when Regexp !!(expected =~ value.to_s) when Range expected.include?(value) when Hash return false unless value.is_a?(Hash) return false unless expected.keys == value.keys expected.all? { |k, v| valid?(v, value[k]) } when Array expected.any? { |e| valid?(e, value) } when Proc !!expected.call(value) when true !!value when false !value when Rtype::Behavior::Base expected.valid? value when nil value.nil? else raise TypeSignatureError, "Invalid type signature: Unknown type behavior #{expected}" end end |