text: /*
   * MRustC - Rust Compiler
   * - By John Hodge (Mutabah/thePowersGang)
   *
   * hir/visitor.hpp
   * - HIR Outer Visitor
   *
   * Calls methods on each item type in the HIR (and on paths/types/patterns)
   * Does NOT visit expression nodes
   */
  #pragma once
  
  #include <hir/hir.hpp>
  #include <hir/item_path.hpp>
  
  namespace HIR {
  
  // TODO: Split into Visitor and ItemVisitor
  class Visitor
  {
  public:
      virtual ~Visitor();
  
      virtual void visit_crate(::HIR::Crate& crate);
  
      virtual void visit_module(ItemPath p, ::HIR::Module& mod);
  
      virtual void visit_type_impl(::HIR::TypeImpl& impl);
      virtual void visit_trait_impl(const ::HIR::SimplePath& trait_path, ::HIR::TraitImpl& impl);
      virtual void visit_marker_impl(const ::HIR::SimplePath& trait_path, ::HIR::MarkerImpl& impl);
  
      // - Type Items
      virtual void visit_type_alias(ItemPath p, ::HIR::TypeAlias& item);
      virtual void visit_trait(ItemPath p, ::HIR::Trait& item);
      virtual void visit_struct(ItemPath p, ::HIR::Struct& item);
      virtual void visit_enum(ItemPath p, ::HIR::Enum& item);
      virtual void visit_union(ItemPath p, ::HIR::Union& item);
      virtual void visit_associatedtype(ItemPath p, ::HIR::AssociatedType& item);
      // - Value Items
      virtual void visit_function(ItemPath p, ::HIR::Function& item);
      virtual void visit_static(ItemPath p, ::HIR::Static& item);
      virtual void visit_constant(ItemPath p, ::HIR::Constant& item);
  
      // - Misc
      virtual void visit_params(::HIR::GenericParams& params);
      virtual void visit_pattern(::HIR::Pattern& pat);
      virtual void visit_pattern_val(::HIR::Pattern::Value& val);
      virtual void visit_type(::HIR::TypeRef& tr);
  
      enum class PathContext {
          TYPE,
          TRAIT,
  
          VALUE,
      };
      virtual void visit_trait_path(::HIR::TraitPath& p);
      virtual void visit_path(::HIR::Path& p, PathContext );
      virtual void visit_path_params(::HIR::PathParams& p);
      virtual void visit_generic_path(::HIR::GenericPath& p, PathContext );
  
      virtual void visit_expr(::HIR::ExprPtr& exp);
  };
  
  }   // namespace HIR
  
  