Class: SharedTools::Tools::Eval::RubyEvalTool

Inherits:
RubyLLM::Tool
  • Object
show all
Defined in:
lib/shared_tools/tools/eval/ruby_eval_tool.rb

Overview

Examples:

tool = SharedTools::Tools::Eval::RubyEvalTool.new
tool.execute(code: "puts 'Hello'; 2 + 2")

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(logger: nil) ⇒ RubyEvalTool

Returns a new instance of RubyEvalTool.

Parameters:

  • (defaults to: nil)

    optional logger



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# File 'lib/shared_tools/tools/eval/ruby_eval_tool.rb', line 28

def initialize(logger: nil)
  @logger = logger || RubyLLM.logger
end

Class Method Details

.name ⇒ Object 



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# File 'lib/shared_tools/tools/eval/ruby_eval_tool.rb', line 12

def self.name = 'eval_ruby'

Instance Method Details

#execute(code:) ⇒ Hash

Returns execution result.

Parameters:

  • Ruby code to execute

Returns:

  • execution result



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# File 'lib/shared_tools/tools/eval/ruby_eval_tool.rb', line 35

def execute(code:)
  @logger.info("Requesting permission to execute Ruby code")

  if code.strip.empty?
    error_msg = "Ruby code cannot be empty"
    @logger.error(error_msg)
    return { error: error_msg }
  end

  # Show user the code and ask for confirmation
  allowed = SharedTools.execute?(tool: self.class.to_s, stuff: code)

  unless allowed
    @logger.warn("User declined to execute the Ruby code")
    return { error: "User declined to execute the Ruby code" }
  end

  @logger.info("Executing Ruby code")

  # Capture both stdout and the result of evaluation
  original_stdout = $stdout
  captured_output = StringIO.new
  $stdout = captured_output

  begin
    result = eval(code)
    output = captured_output.string

    @logger.debug("Ruby code execution completed successfully")

    response = {
      result: result,
      output: output.empty? ? nil : output,
      success: true
    }

    # Include both result and output in a readable format
    if output.empty?
      response[:display] = result.inspect
    else
      response[:display] = output + (result.nil? ? "" : "\n=> #{result.inspect}")
    end

    response
  rescue SyntaxError, StandardError => e
    @logger.error("Ruby code execution failed: #{e.message}")
    {
      error: e.message,
      backtrace: e.backtrace&.first(5),
      success: false
    }
  ensure
    $stdout = original_stdout
  end
end