Class: PromptObjects::Universal::ModifyPrimitive

Inherits:
Primitive show all
Defined in:
lib/prompt_objects/universal/modify_primitive.rb

Overview

Universal capability to modify existing primitives. Allows POs to fix or improve their primitives.

Constant Summary collapse

STDLIB_PRIMITIVES =

Stdlib primitives cannot be modified

%w[read_file list_files write_file http_get think].freeze

Instance Attribute Summary

Attributes inherited from Capability

#state

Instance Method Summary collapse

Methods inherited from Primitive

#initialize

Methods inherited from Capability

#descriptor, execution_policy, execution_policy_definition, #execution_policy_definition, #execution_policy_signature, #initialize, #resolved_execution_policy

Constructor Details

This class inherits a constructor from PromptObjects::Primitive

Instance Method Details

#description ⇒ Object 



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# File 'lib/prompt_objects/universal/modify_primitive.rb', line 17

def description
  "Modify an existing primitive's code. Only custom (environment) primitives can be modified, not stdlib."
end

#name ⇒ Object 



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# File 'lib/prompt_objects/universal/modify_primitive.rb', line 13

def name
  "modify_primitive"
end

#parameters ⇒ Object 



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# File 'lib/prompt_objects/universal/modify_primitive.rb', line 21

def parameters
  {
    type: "object",
    properties: {
      name: {
        type: "string",
        description: "Name of the primitive to modify"
      },
      code: {
        type: "string",
        description: "New Ruby code for the primitive's receive method"
      },
      description: {
        type: "string",
        description: "Optional: Update the description"
      },
      parameters_schema: {
        type: "object",
        description: "Optional: Update the parameters schema"
      },
      reason: {
        type: "string",
        description: "Brief explanation of why this change is needed (for commit message)"
      }
    },
    required: ["name", "code"]
  }
end

#receive(message, context:) ⇒ Object 



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# File 'lib/prompt_objects/universal/modify_primitive.rb', line 50

def receive(message, context:)
  prim_name = message[:name] || message["name"]
  new_code = message[:code] || message["code"]
  new_description = message[:description] || message["description"]
  new_params_schema = message[:parameters_schema] || message["parameters_schema"]
  reason = message[:reason] || message["reason"] || "Updated primitive"

  # Find the primitive
  primitive = context.env.registry.get(prim_name)
  unless primitive
    return "Error: Primitive '#{prim_name}' not found."
  end

  unless primitive.is_a?(Primitive)
    return "Error: '#{prim_name}' is not a primitive."
  end

  # Check if it's a stdlib primitive
  if STDLIB_PRIMITIVES.include?(prim_name)
    return "Error: Cannot modify stdlib primitive '#{prim_name}'. Stdlib primitives are built into the framework."
  end

  # Check if it's a universal capability
  if universal_primitive?(primitive)
    return "Error: Cannot modify universal capability '#{prim_name}'."
  end

  # Find the primitive file
  path = File.join(context.env.primitives_dir, "#{prim_name}.rb")
  unless File.exist?(path)
    return "Error: Cannot find primitive file at #{path}. Only custom primitives can be modified."
  end

  # Validate code syntax
  syntax_error = validate_syntax(new_code)
  return "Error: Invalid Ruby syntax - #{syntax_error}" if syntax_error

  # Get current values if not provided
  description = new_description || primitive.description
  params_schema = new_params_schema || primitive.parameters

  # Generate updated Ruby class
  class_name = prim_name.split("_").map(&:capitalize).join
  ruby_content = generate_ruby_class(class_name, prim_name, description, params_schema, new_code)

  # Write the updated file
  File.write(path, ruby_content, encoding: "UTF-8")

  # Reload the primitive
  begin
    # Remove old constant to allow re-definition
    if PromptObjects::Primitives.const_defined?(class_name)
      PromptObjects::Primitives.send(:remove_const, class_name)
    end

    load(path)
    klass = PromptObjects::Primitives.const_get(class_name)
    new_instance = klass.new

    # Re-register with the new instance
    context.env.registry.register(new_instance)

    # Auto-commit if in environment mode
    if context.env.environment? && context.env.auto_commit
      commit_message = "Modified primitive '#{prim_name}': #{reason}"
      context.env.save(commit_message)
    end

    "Modified primitive '#{prim_name}'. Changes saved to #{path}."
  rescue SyntaxError => e
    "Error: Invalid Ruby syntax in generated code - #{e.message}"
  rescue StandardError => e
    "Error reloading primitive: #{e.message}"
  end
end