Contents

# frozen_string_literal: true

module RuboCop
  # A basic wrapper around Parser's tokens.
  class Token
    attr_reader :pos, :type, :text

    def self.from_parser_token(parser_token)
      type, details = parser_token
      text, range = details
      new(range, type, text)
    end

    def initialize(pos, type, text)
      @pos = pos
      @type = type
      # Parser token "text" may be an Integer
      @text = text.to_s
    end

    def line
      @pos.line
    end

    def column
      @pos.column
    end

    def begin_pos
      @pos.begin_pos
    end

    def end_pos
      @pos.end_pos
    end

    def to_s
      "[[#{line}, #{column}], #{type}, #{text.inspect}]"
    end

    # Checks if there is whitespace after token
    def space_after?
      pos.source_buffer.source.match(/\G\s/, end_pos)
    end

    # Checks if there is whitespace before token
    def space_before?
      pos.source_buffer.source.match(/\G\s/, begin_pos - 1)
    end

    ## Type Predicates

    def comment?
      type == :tCOMMENT
    end

    def semicolon?
      type == :tSEMI
    end

    def left_array_bracket?
      type == :tLBRACK
    end

    def left_ref_bracket?
      type == :tLBRACK2
    end

    def left_bracket?
      %i[tLBRACK tLBRACK2].include?(type)
    end

    def right_bracket?
      type == :tRBRACK
    end

    def left_brace?
      type == :tLBRACE
    end

    def left_curly_brace?
      type == :tLCURLY
    end

    def right_curly_brace?
      type == :tRCURLY
    end

    def left_parens?
      %i[tLPAREN tLPAREN2].include?(type)
    end

    def right_parens?
      type == :tRPAREN
    end

    def comma?
      type == :tCOMMA
    end

    def rescue_modifier?
      type == :kRESCUE_MOD
    end

    def end?
      type == :kEND
    end

    def equal_sign?
      %i[tEQL tOP_ASGN].include?(type)
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
rubocop-0.56.0	lib/rubocop/token.rb
rubocop-0.55.0	lib/rubocop/token.rb
rubocop-0.54.0	lib/rubocop/token.rb
rubocop-0.53.0	lib/rubocop/token.rb