Class: Coverband::MCP::Tools::GetDeadMethods

Inherits:
MCP::Tool
  • Object
show all
Defined in:
lib/coverband/mcp/tools/get_dead_methods.rb

Class Method Summary collapse

Class Method Details

.call(server_context:, file_pattern: nil) ⇒ Object 



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# File 'lib/coverband/mcp/tools/get_dead_methods.rb', line 19

def self.call(server_context:, file_pattern: nil, **)
  unless defined?(RubyVM::AbstractSyntaxTree)
    return ::MCP::Tool::Response.new([{
      type: "text",
      text: "Dead method detection requires Ruby 2.6+ with RubyVM::AbstractSyntaxTree support."
    }])
  end

  dead_methods = Coverband::Utils::DeadMethods.scan_all

  if file_pattern
    dead_methods = dead_methods.select do |method|
      File.fnmatch(file_pattern, method.file_path, File::FNM_PATHNAME)
    end
  end

  # Group by file for easier reading
  grouped = dead_methods.group_by(&:file_path)

  result = grouped.map do |file_path, methods|
    {
      file: file_path,
      dead_methods: methods.map do |m|
        {
          class_name: m.class_name,
          method_name: m.name,
          line_number: m.first_line_number
        }
      end
    }
  end

  ::MCP::Tool::Response.new([{
    type: "text",
    text: JSON.pretty_generate({
      total_dead_methods: dead_methods.length,
      files_with_dead_methods: grouped.keys.length,
      file_pattern: file_pattern,
      results: result
    })
  }])
rescue => e
  ::MCP::Tool::Response.new([{
    type: "text",
    text: "Error analyzing dead methods: #{e.message}"
  }])
end