Class: RBI::TypePrinter

Inherits:
Object
  • Object
show all
Defined in:
lib/rbi/rbs_printer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(max_line_length: nil) ⇒ TypePrinter

: (?max_line_length: Integer?) -> void



998
999
1000
1001
 
# File 'lib/rbi/rbs_printer.rb', line 998

def initialize(max_line_length: nil)
  @string = String.new #: String
  @max_line_length = max_line_length
end

Instance Attribute Details

#string ⇒ Object (readonly)

: String



995
996
997
 
# File 'lib/rbi/rbs_printer.rb', line 995

def string
  @string
end

Instance Method Details

#visit(node) ⇒ Object

: (Type node) -> void



1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
 
# File 'lib/rbi/rbs_printer.rb', line 1004

def visit(node)
  case node
  when Type::Simple
    visit_simple(node)
  when Type::Boolean
    visit_boolean(node)
  when Type::Generic
    visit_generic(node)
  when Type::Anything
    visit_anything(node)
  when Type::Void
    visit_void(node)
  when Type::NoReturn
    visit_no_return(node)
  when Type::Untyped
    visit_untyped(node)
  when Type::SelfType
    visit_self_type(node)
  when Type::AttachedClass
    visit_attached_class(node)
  when Type::Nilable
    visit_nilable(node)
  when Type::ClassOf
    visit_class_of(node)
  when Type::All
    visit_all(node)
  when Type::Any
    visit_any(node)
  when Type::Tuple
    visit_tuple(node)
  when Type::Shape
    visit_shape(node)
  when Type::Proc
    visit_proc(node)
  when Type::TypeParameter
    visit_type_parameter(node)
  when Type::Class
    visit_class(node)
  when Type::Module
    visit_module(node)
  else
    raise Error, "Unhandled node: #{node.class}"
  end
end

#visit_all(type) ⇒ Object

: (Type::All type) -> void



1126
1127
1128
1129
1130
1131
1132
1133
 
# File 'lib/rbi/rbs_printer.rb', line 1126

def visit_all(type)
  @string << "("
  type.types.each_with_index do |arg, index|
    visit(arg)
    @string << " & " if index < type.types.size - 1
  end
  @string << ")"
end

#visit_any(type) ⇒ Object

: (Type::Any type) -> void



1136
1137
1138
1139
1140
1141
1142
1143
 
# File 'lib/rbi/rbs_printer.rb', line 1136

def visit_any(type)
  @string << "("
  type.types.each_with_index do |arg, index|
    visit(arg)
    @string << " | " if index < type.types.size - 1
  end
  @string << ")"
end

#visit_anything(type) ⇒ Object

: (Type::Anything type) -> void



1071
1072
1073
 
# File 'lib/rbi/rbs_printer.rb', line 1071

def visit_anything(type)
  @string << "top"
end

#visit_attached_class(type) ⇒ Object

: (Type::AttachedClass type) -> void



1096
1097
1098
 
# File 'lib/rbi/rbs_printer.rb', line 1096

def visit_attached_class(type)
  @string << "instance"
end

#visit_boolean(type) ⇒ Object

: (Type::Boolean type) -> void



1055
1056
1057
 
# File 'lib/rbi/rbs_printer.rb', line 1055

def visit_boolean(type)
  @string << "bool"
end

#visit_class(type) ⇒ Object

: (Type::Class type) -> void



1203
1204
1205
1206
1207
 
# File 'lib/rbi/rbs_printer.rb', line 1203

def visit_class(type)
  @string << "Class["
  visit(type.type)
  @string << "]"
end

#visit_class_of(type) ⇒ Object

: (Type::ClassOf type) -> void



1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
 
# File 'lib/rbi/rbs_printer.rb', line 1114

def visit_class_of(type)
  @string << "singleton("
  visit(type.type)
  @string << ")"
  if (type_parameter = type.type_parameter)
    @string << "["
    visit(type_parameter)
    @string << "]"
  end
end

#visit_generic(type) ⇒ Object

: (Type::Generic type) -> void



1060
1061
1062
1063
1064
1065
1066
1067
1068
 
# File 'lib/rbi/rbs_printer.rb', line 1060

def visit_generic(type)
  @string << translate_t_type(type.name.gsub(/\s/, ""))
  @string << "["
  type.params.each_with_index do |arg, index|
    visit(arg)
    @string << ", " if index < type.params.size - 1
  end
  @string << "]"
end

#visit_module(type) ⇒ Object

: (Type::Module type) -> void



1210
1211
1212
1213
1214
 
# File 'lib/rbi/rbs_printer.rb', line 1210

def visit_module(type)
  @string << "Module["
  visit(type.type)
  @string << "]"
end

#visit_nilable(type) ⇒ Object

: (Type::Nilable type) -> void



1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
 
# File 'lib/rbi/rbs_printer.rb', line 1101

def visit_nilable(type)
  inner = type.type
  if inner.is_a?(Type::Proc)
    @string << "("
  end
  visit(inner)
  if inner.is_a?(Type::Proc)
    @string << ")"
  end
  @string << "?"
end

#visit_no_return(type) ⇒ Object

: (Type::NoReturn type) -> void



1081
1082
1083
 
# File 'lib/rbi/rbs_printer.rb', line 1081

def visit_no_return(type)
  @string << "bot"
end

#visit_proc(type) ⇒ Object

: (Type::Proc type) -> void



1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
 
# File 'lib/rbi/rbs_printer.rb', line 1176

def visit_proc(type)
  @string << "^"
  if type.proc_params.any?
    @string << "("
    type.proc_params.each_with_index do |(key, value), index|
      visit(value)
      @string << " #{key}"
      @string << ", " if index < type.proc_params.size - 1
    end
    @string << ") "
  end
  proc_bind = type.proc_bind
  if proc_bind
    @string << "[self: "
    visit(proc_bind)
    @string << "] "
  end
  @string << "-> "
  visit(type.proc_returns)
end

#visit_self_type(type) ⇒ Object

: (Type::SelfType type) -> void



1091
1092
1093
 
# File 'lib/rbi/rbs_printer.rb', line 1091

def visit_self_type(type)
  @string << "self"
end

#visit_shape(type) ⇒ Object

: (Type::Shape type) -> void



1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
 
# File 'lib/rbi/rbs_printer.rb', line 1156

def visit_shape(type)
  @string << "{"
  type.types.each_with_index do |(key, value), index|
    @string << case key
    when String
      "\"#{key}\" => "
    when Symbol
      if key.match?(/\A[a-zA-Z_]+[a-zA-Z0-9_]*\z/)
        "#{key}: "
      else
        "\"#{key}\": "
      end
    end
    visit(value)
    @string << ", " if index < type.types.size - 1
  end
  @string << "}"
end

#visit_simple(type) ⇒ Object

: (Type::Simple type) -> void



1050
1051
1052
 
# File 'lib/rbi/rbs_printer.rb', line 1050

def visit_simple(type)
  @string << translate_t_type(type.name.gsub(/\s/, ""))
end

#visit_tuple(type) ⇒ Object

: (Type::Tuple type) -> void



1146
1147
1148
1149
1150
1151
1152
1153
 
# File 'lib/rbi/rbs_printer.rb', line 1146

def visit_tuple(type)
  @string << "["
  type.types.each_with_index do |arg, index|
    visit(arg)
    @string << ", " if index < type.types.size - 1
  end
  @string << "]"
end

#visit_type_parameter(type) ⇒ Object

: (Type::TypeParameter type) -> void



1198
1199
1200
 
# File 'lib/rbi/rbs_printer.rb', line 1198

def visit_type_parameter(type)
  @string << type.name.to_s
end

#visit_untyped(type) ⇒ Object

: (Type::Untyped type) -> void



1086
1087
1088
 
# File 'lib/rbi/rbs_printer.rb', line 1086

def visit_untyped(type)
  @string << "untyped"
end

#visit_void(type) ⇒ Object

: (Type::Void type) -> void



1076
1077
1078
 
# File 'lib/rbi/rbs_printer.rb', line 1076

def visit_void(type)
  @string << "void"
end