Class: Tidewave::Tools::ProjectEval

Inherits:
Base
  • Object
show all
Defined in:
lib/tidewave/tools/project_eval.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.json_schema ⇒ Object 



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# File 'lib/tidewave/tools/project_eval.rb', line 26

def @input_schema.json_schema
  schema = super
  schema[:properties][:arguments][:items] = {}
  schema
end

Instance Method Details

#call(code:, arguments: [], timeout: 30_000, json: false) ⇒ Object 



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# File 'lib/tidewave/tools/project_eval.rb', line 32

def call(code:, arguments: [], timeout: 30_000, json: false)
  original_stdout = $stdout
  original_stderr = $stderr

  stdout_capture = StringIO.new
  stderr_capture = StringIO.new
  $stdout = stdout_capture
  $stderr = stderr_capture

  begin
    timeout_seconds = timeout / 1000.0

    success, result = begin
      Timeout.timeout(timeout_seconds) do
        [ true, eval(code, eval_binding(arguments)) ]
      end
    rescue Timeout::Error
      [ false, "Timeout::Error: Evaluation timed out after #{timeout} milliseconds." ]
    rescue => e
      [ false, e.full_message ]
    end

    stdout = stdout_capture.string
    stderr = stderr_capture.string

    if json
      JSON.generate({
        result: result,
        success: success,
        stdout: stdout,
        stderr: stderr
      })
    elsif stdout.empty? && stderr.empty?
      # We explicitly call to_s so the result is not accidentally
      # parsed as a JSON response by FastMCP.
      result.to_s
    else
      "        STDOUT:\n\n        \#{stdout}\n\n        STDERR:\n\n        \#{stderr}\n\n        Result:\n\n        \#{result}\n      OUTPUT\n    end\n  ensure\n    $stdout = original_stdout\n    $stderr = original_stderr\n  end\nend\n"