Module: SyntaxTree::Reflection::Type

Defined in:
lib/syntax_tree/reflection.rb

Overview

This module represents the type of the values being passed to attributes of nodes. It is used as part of the documentation of the attributes.

Defined Under Namespace

Classes: ArrayType, TupleType, UnionType

Constant Summary collapse

CONSTANTS = 
SyntaxTree.constants.to_h { [_1, SyntaxTree.const_get(_1)] }

Class Method Summary collapse

Class Method Details

.parse(comment) ⇒ Object 



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# File 'lib/syntax_tree/reflection.rb', line 66

def parse(comment)
  comment = comment.gsub(/\n/, " ")

  unless comment.start_with?("[")
    raise "Comment does not start with a bracket: #{comment.inspect}"
  end

  count = 1
  found =
    comment.chars[1..]
      .find
      .with_index(1) do |char, index|
        count += { "[" => 1, "]" => -1 }.fetch(char, 0)
        break index if count == 0
      end

  # If we weren't able to find the end of the balanced brackets, then
  # the comment is malformed.
  if found.nil?
    raise "Comment does not have balanced brackets: #{comment.inspect}"
  end

  parse_type(comment[1...found].strip)
end