diff options
Diffstat (limited to 'gcc/rust/resolve/rust-forever-stack.h')
| -rw-r--r-- | gcc/rust/resolve/rust-forever-stack.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/rust/resolve/rust-forever-stack.h b/gcc/rust/resolve/rust-forever-stack.h index 22efc97..2a4c734 100644 --- a/gcc/rust/resolve/rust-forever-stack.h +++ b/gcc/rust/resolve/rust-forever-stack.h @@ -548,6 +548,7 @@ template <Namespace N> class ForeverStack public: ForeverStack () : root (Node (Rib (Rib::Kind::Normal), UNKNOWN_NODEID)), + prelude (Node (Rib (Rib::Kind::Prelude), UNKNOWN_NODEID, root)), cursor_reference (root) { rust_assert (root.is_root ()); @@ -657,6 +658,8 @@ public: * the current map, an empty one otherwise. */ tl::optional<Rib::Definition> get (const Identifier &name); + tl::optional<Rib::Definition> get_prelude (const Identifier &name); + tl::optional<Rib::Definition> get_prelude (const std::string &name); /** * Resolve a path to its definition in the current `ForeverStack` @@ -721,6 +724,7 @@ private: {} bool is_root () const; + bool is_prelude () const; bool is_leaf () const; void insert_child (Link link, Node child); @@ -756,7 +760,15 @@ private: const Node &cursor () const; void update_cursor (Node &new_cursor); + /* The forever stack's actual nodes */ Node root; + /* + * A special prelude node used currently for resolving language builtins + * It has the root node as a parent, and acts as a "special case" for name + * resolution + */ + Node prelude; + std::reference_wrapper<Node> cursor_reference; void stream_rib (std::stringstream &stream, const Rib &rib, |