diff --git a/lib/puppet/parser/ast/pops_bridge.rb b/lib/puppet/parser/ast/pops_bridge.rb
index 601b1bafa..5e9dc647d 100644
--- a/lib/puppet/parser/ast/pops_bridge.rb
+++ b/lib/puppet/parser/ast/pops_bridge.rb
@@ -1,159 +1,159 @@
 require 'puppet/parser/ast/top_level_construct'
 require 'puppet/pops'
 
 # The AST::Bridge contains classes that bridges between the new Pops based model
 # and the 3.x AST. This is required to be able to reuse the Puppet::Resource::Type which is
 # fundamental for the rest of the logic.
 #
 class Puppet::Parser::AST::PopsBridge
 
   # Bridges to one Pops Model Expression
   # The @value is the expression
   # This is used to represent the body of a class, definition, or node, and for each parameter's default value
   # expression.
   #
   class Expression < Puppet::Parser::AST::Leaf
 
     def initialize args
       super
       @@evaluator ||= Puppet::Pops::Parser::EvaluatingParser::Transitional.new()
     end
 
     def to_s
       Puppet::Pops::Model::ModelTreeDumper.new(dump(@value))
     end
 
     def evaluate(scope)
       @@evaluator.evaluate(scope, @value)
     end
 
     # Adapts to 3x where top level constructs needs to have each to iterate over children. Short circuit this
     # by yielding self. By adding this there is no need to wrap a pops expression inside an AST::BlockExpression
     #
     def each
       yield self
     end
 
     def sequence_with(other)
       if value.nil?
         # This happens when testing and not having a complete setup
         other
       else
         # When does this happen ? Ever ?
         raise "sequence_with called on Puppet::Parser::AST::PopsBridge::Expression - please report use case"
         Puppet::Parser::AST::BlockExpression.new(:children => [self] + other.children)
       end
     end
   end
 
   # Bridges the top level "Program" produced by the pops parser.
   # Its main purpose is to give one point where all definitions are instantiated (actually defined since the
   # Puppet 3x terminology is somewhat misleading - the definitions are instantiated, but instances of the created types
   # are not created, that happens when classes are included / required, nodes are matched and when resources are instantiated
   # by a resource expression (which is also used to instantiate a host class).
   #
   class Program < Puppet::Parser::AST::TopLevelConstruct
-  attr_reader :program_model, :context
+    attr_reader :program_model, :context
 
     def initialize(program_model, context = {})
       @program_model = program_model
       @context = context
       @ast_transformer ||= Puppet::Pops::Model::AstTransformer.new(@context[:file])
       @@evaluator ||= Puppet::Pops::Parser::EvaluatingParser::Transitional.new()
     end
 
     # This is the 3x API, the 3x AST searches through all code to find the instructions that can be instantiated.
     # This Pops-model based instantiation relies on the parser to build this list while parsing (which is more
     # efficient as it avoids one full scan of all logic via recursive enumeration/yield)
     #
     def instantiate(modname)
       @program_model.definitions.collect do |d|
         case d
         when Puppet::Pops::Model::HostClassDefinition
           instantiate_HostClassDefinition(d, modname)
         when Puppet::Pops::Model::ResourceTypeDefinition
           instantiate_ResourceTypeDefinition(d, modname)
         when Puppet::Pops::Model::NodeDefinition
           instantiate_NodeDefinition(d, modname)
         else
           raise Puppet::ParseError("Internal Error: Unknown type of definition - got '#{d.class}'")
         end
       end.flatten() # flatten since node definition may have returned an array
     end
 
     def evaluate(scope)
       @@evaluator.evaluate(scope, program_model)
     end
 
     # Adapts to 3x where top level constructs needs to have each to iterate over children. Short circuit this
     # by yielding self. This means that the HostClass container will call this bridge instance with `instantiate`.
     #
     def each
       yield self
     end
 
     private
 
     def instantiate_Parameter(o)
       # 3x needs parameters as an array of `[name]` or `[name, value_expr]`
       # One problem is that the parameter evaluation takes place in the wrong context in 3x (the caller's and
       # can thus reference all sorts of information. Here the value expression is wrapped in an AST Bridge to a Pops
       # expression since the Pops side can not control the evaluation
       if o.value
         [ o.name, Expression.new(:value => o.value) ]
       else
         [ o.name ]
       end
     end
 
     # Produces a hash with data for Definition and HostClass
     def args_from_definition(o, modname)
       args = {
        :arguments => o.parameters.collect {|p| instantiate_Parameter(p) },
        :module_name => modname
       }
       unless is_nop?(o.body)
         args[:code] = Expression.new(:value => o.body)
       end
       @ast_transformer.merge_location(args, o)
     end
 
     def instantiate_HostClassDefinition(o, modname)
       args = args_from_definition(o, modname)
       args[:parent] = o.parent_class
       Puppet::Resource::Type.new(:hostclass, o.name, @context.merge(args))
     end
 
     def instantiate_ResourceTypeDefinition(o, modname)
       Puppet::Resource::Type.new(:definition, o.name, @context.merge(args_from_definition(o, modname)))
     end
 
     def instantiate_NodeDefinition(o, modname)
       args = { :module_name => modname }
 
       unless is_nop?(o.body)
         args[:code] = Puppet::AST::Bridge::PopsBridge::Expression.new(:value => o.body)
       end
 
       unless is_nop?(o.parent)
         args[:parent] = @ast_transformer.hostname(o.parent)
       end
 
       host_matches = @ast_transformer.hostname(o.host_matches)
       @ast_transformer.merge_location(args, o)
       host_matches.collect do |name|
         Puppet::Resource::Type.new(:node, name, @context.merge(args))
       end
     end
 
     def code()
       Puppet::AST::Bridge::PopsBridge::Expression.new(:value => @value)
     end
 
     def is_nop?(o)
       @ast_transformer.is_nop?(o)
     end
 
   end
 
 end