Class: RBS::Inline::AST::Annotations::BlockType

Inherits:
Base
  • Object
show all
Defined in:
lib/rbs/inline/ast/annotations.rb

Overview

‘@rbs &block: METHOD-TYPE` or `@rbs &block: ? METHOD-TYPE`

Instance Attribute Summary collapse

Attributes inherited from Base

#source, #tree

Instance Method Summary collapse

Constructor Details

#initialize(tree, source) ⇒ BlockType

Returns a new instance of BlockType.



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# File 'lib/rbs/inline/ast/annotations.rb', line 213

def initialize(tree, source)
  @tree = tree
  @source = source

  annotation = tree.nth_tree!(1)

  if name = annotation.nth_token?(1)
    @name = name[1].to_sym
  end

  optional = annotation.nth_token?(3)

  if type_token = annotation.nth_token?(4)
    block_src = type_token[1]

    proc_type = ::RBS::Parser.parse_type("^" + block_src, require_eof: true) rescue RBS::ParsingError
    if proc_type.is_a?(Types::Proc)
      @type = Types::Block.new(
        type: proc_type.type,
        required: !optional,
        self_type: proc_type.self_type
      )
    end

    @type_source = block_src
  else
    @type = nil
    @type_source = ""
  end

  if comment = annotation.nth_tree(5)
    @comment = comment.to_s
  end
end

Instance Attribute Details

#comment ⇒ Object (readonly)

: String?



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# File 'lib/rbs/inline/ast/annotations.rb', line 208

def comment
  @comment
end

#name ⇒ Object (readonly)

: Symbol?



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# File 'lib/rbs/inline/ast/annotations.rb', line 204

def name
  @name
end

#type ⇒ Object (readonly)

: Types::Block?



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# File 'lib/rbs/inline/ast/annotations.rb', line 206

def type
  @type
end

#type_source ⇒ Object (readonly)

: String



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# File 'lib/rbs/inline/ast/annotations.rb', line 210

def type_source
  @type_source
end