module Cucumber::Core

def compile(gherkin_documents, last_receiver, filters = [])
  first_receiver = compose(filters, last_receiver)
  compiler = Compiler.new(first_receiver)
  parse gherkin_documents, compiler
  self
end

def compose(filters, last_receiver)
  filters.reverse.reduce(last_receiver) do |receiver, filter|
    filter.with_receiver(receiver)
  end
end

def execute(gherkin_documents, report, filters = [])
  receiver = Test::Runner.new(report)
  compile gherkin_documents, receiver, filters
  self
end

def parse(gherkin_documents, compiler)
  parser = Core::Gherkin::Parser.new(compiler)
  gherkin_documents.each do |document|
    parser.document document
  end
  parser.done
  self
end