Class: RubyLLM::Contract::Step::PromptCompiler

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby_llm/contract/step/prompt_compiler.rb

Instance Method Summary collapse

Constructor Details

#initialize(prompt_block:) ⇒ PromptCompiler

Returns a new instance of PromptCompiler.



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# File 'lib/ruby_llm/contract/step/prompt_compiler.rb', line 7

def initialize(prompt_block:)
  @prompt_block = prompt_block
end

Instance Method Details

#call(input) ⇒ Object 



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# File 'lib/ruby_llm/contract/step/prompt_compiler.rb', line 11

def call(input)
  dynamic_prompt = @prompt_block.arity >= 1
  builder_input = dynamic_prompt ? input : nil
  ast = Prompt::Builder.build(input: builder_input, &@prompt_block)

  Prompt::Renderer.render(ast, variables: template_variables_for(input, dynamic_prompt))
rescue StandardError => error
  raise RubyLLM::Contract::Error, "Prompt build failed: #{error.class}: #{error.message}"
end