reentrancy (invoking erubis from template) currupts the output of the outer invocation

[bughit]

require 'erubis'
require 'erb'

def inner_erubis
  Erubis::Eruby.new('inner_template <%= "ruby_output" %> inner_template').result
  'ruby_output'
end


def inner_erb
  Erubis::Eruby.new('inner_template <%= "ruby_output" %> inner_template').result
  'ruby_output'
end

puts ERB.new('outer_template <%= inner_erb %> outer_template').result # outer_template ruby_output outer_template
puts Erubis::Eruby.new('outer_template <%= inner_erubis %> outer_template').result # inner_template ruby_output inner_template outer_template

[bughit]

updated example to better illustrate the problem

[bughit]

the default binding value should be TOPLEVEL_BINDING.dup

    def result(_binding_or_hash=TOPLEVEL_BINDING)
      _arg = _binding_or_hash
      if _arg.is_a?(Hash)
        _b = binding()
        eval _arg.collect{|k,v| "#{k} = _arg[#{k.inspect}]; "}.join, _b
      elsif _arg.is_a?(Binding)
        _b = _arg
      elsif _arg.nil?
        _b = binding()
      else
        raise ArgumentError.new("#{self.class.name}#result(): argument should be Binding or Hash but passed #{_arg.class.name} object.")
      end
      return eval(@src, _b, (@filename || '(erubis'))
    end