Add WhereClauseItem::ItemType specifier to differentiate between items

1 files changed, 18 insertions, 0 deletions

diff --git a/gcc/rust/hir/tree/rust-hir-item.h b/gcc/rust/hir/tree/rust-hir-item.h
index 30170a9..de067e6 100644
--- a/gcc/rust/hir/tree/rust-hir-item.h
+++ b/gcc/rust/hir/tree/rust-hir-item.h
@@ -141,6 +141,12 @@ protected:
 class WhereClauseItem
 {
 public:
+  enum ItemType
+  {
+    LIFETIME,
+    TYPE_BOUND,
+  };
+
   virtual ~WhereClauseItem () {}
 
   // Unique pointer custom clone function
@@ -155,6 +161,8 @@ public:
 
   virtual Analysis::NodeMapping get_mappings () const = 0;
 
+  virtual ItemType get_item_type () const = 0;
+
 protected:
   // Clone function implementation as pure virtual method
   virtual WhereClauseItem *clone_where_clause_item_impl () const = 0;
@@ -190,6 +198,11 @@ public:
     return mappings;
   };
 
+  ItemType get_item_type () const override final
+  {
+    return WhereClauseItem::ItemType::LIFETIME;
+  }
+
 protected:
   // Clone function implementation as (not pure) virtual method
   LifetimeWhereClauseItem *clone_where_clause_item_impl () const override
@@ -269,6 +282,11 @@ public:
     return mappings;
   };
 
+  ItemType get_item_type () const override final
+  {
+    return WhereClauseItem::ItemType::TYPE_BOUND;
+  }
+
 protected:
   // Clone function implementation as (not pure) virtual method
   TypeBoundWhereClauseItem *clone_where_clause_item_impl () const override