Class: Twig::Node::Yield

Inherits:
Base
  • Object
show all
Defined in:
lib/twig/node/yield.rb

Instance Attribute Summary

Attributes inherited from Base

#attributes, #lineno, #nodes, #source_context, #tag

Instance Method Summary collapse

Methods inherited from Base

#empty?, #length, #template_name, #to_s

Constructor Details

#initialize(expr, body, arguments, lineno) ⇒ Yield

Returns a new instance of Yield.



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# File 'lib/twig/node/yield.rb', line 6

def initialize(expr, body, arguments, lineno)
  arguments = arguments.empty? ? {} : { arguments: }
  super({ expr:, body: }, arguments, lineno)
end

Instance Method Details

#compile(compiler) ⇒ Object 



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# File 'lib/twig/node/yield.rb', line 11

def compile(compiler)
  compiler.
    add_debug_info(self).
    write('context.output_buffer.append = (').
    subcompile(nodes[:expr]).
    raw(' do')

  if attributes.key?(:arguments)
    compiler.
      raw(" |#{attributes[:arguments].join(', ')}|")
  end

  compiler.
    raw("\n").
    indent.
    write("context.buffer_and_return do\n").
    indent

  if attributes.key?(:arguments)
    compiler.
      write("context.push_stack\n").
      write('context.merge!({')

    attributes[:arguments].each do |argument|
      compiler.raw("#{argument}:,")
    end

    compiler.
      raw("})\n")
  end

  compiler.
    subcompile(nodes[:body]).
    raw("\n")

  if attributes.key?(:arguments)
    compiler.
      write("context.pop_stack\n")
  end

  compiler.
    outdent.
    write("end.to_s.html_safe\n").
    outdent.
    write("end);\n")
end