Module: ArchSpec::Analyzer::SuppressionParser

Extended by:
SuppressionParser
Included in:
SuppressionParser
Defined in:
lib/archspec/analyzer.rb

Constant Summary collapse

DISABLE_PATTERN = 
/\Aarchspec:disable(?:-(next-line|line))?(?:\s+([a-z0-9_.-]+|\*))?(?:\s+--\s*(.+))?\z/i
ENABLE_PATTERN = 
/\Aarchspec:enable(?:\s+([a-z0-9_.-]+|\*))?\z/i

Instance Method Summary collapse

Instance Method Details

#parse(comments) ⇒ Object 



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# File 'lib/archspec/analyzer.rb', line 95

def parse(comments)
  suppressions = []
  active = Hash.new { |hash, key| hash[key] = [] }

  sorted_comments(comments).each do |comment|
    text = comment.slice.sub(/\A#\s?/, '').strip
    line = comment.location.start_line

    if (match = text.match(DISABLE_PATTERN))
      mode, rule, reason = match.captures
      rule = normalize_rule(rule)

      case mode
      when 'line'
        suppressions << Suppression.new(rule, line, line, reason)
      when 'next-line'
        suppressions << Suppression.new(rule, line + 1, line + 1, reason)
      else
        active[rule] << [line + 1, reason]
      end
    elsif (match = text.match(ENABLE_PATTERN))
      rule = normalize_rule(match[1])
      if active[rule].any?
        start_line, reason = active[rule].pop
        suppressions << Suppression.new(rule, start_line, [line - 1, start_line].max, reason)
      end
    end
  end

  active.each do |rule, entries|
    entries.each do |start_line, reason|
      suppressions << Suppression.new(rule, start_line, Float::INFINITY, reason)
    end
  end

  suppressions
end