diff options
author | Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com> | 2025-03-10 15:13:27 +0100 |
---|---|---|
committer | P-E-P <32375388+P-E-P@users.noreply.github.com> | 2025-03-17 10:42:53 +0000 |
commit | b08becd6cbbf129e0b502dae862d935fec58724a (patch) | |
tree | b42194791d49311d9a6207765f7dbb2f967f3027 /gcc | |
parent | 2472da2b128df45b0c9e4b8d3ec60eeb4732e6f1 (diff) | |
download | gcc-b08becd6cbbf129e0b502dae862d935fec58724a.zip gcc-b08becd6cbbf129e0b502dae862d935fec58724a.tar.gz gcc-b08becd6cbbf129e0b502dae862d935fec58724a.tar.bz2 |
Add a function to get the crate number from node id
gcc/rust/ChangeLog:
* util/rust-hir-map.cc (Mappings::lookup_crate_num): Add function to
retrieve crate number from it's node id.
(Mappings::node_is_crate): change function with call to
lookup_crate_num to avoid looping through all crates.
(Mappings::insert_ast_crate): Populate node id to crate number map.
* util/rust-hir-map.h: Change function prototype.
Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/rust/util/rust-hir-map.cc | 19 | ||||
-rw-r--r-- | gcc/rust/util/rust-hir-map.h | 2 |
2 files changed, 14 insertions, 7 deletions
diff --git a/gcc/rust/util/rust-hir-map.cc b/gcc/rust/util/rust-hir-map.cc index 5483499..0917828 100644 --- a/gcc/rust/util/rust-hir-map.cc +++ b/gcc/rust/util/rust-hir-map.cc @@ -148,6 +148,16 @@ Mappings::get_crate_name (CrateNum crate_num) const return it->second; } +tl::optional<CrateNum> +Mappings::lookup_crate_num (NodeId node_id) const +{ + auto it = crate_node_to_crate_num.find (node_id); + if (it == crate_node_to_crate_num.end ()) + return tl::nullopt; + + return it->second; +} + void Mappings::set_crate_name (CrateNum crate_num, const std::string &name) { @@ -184,13 +194,7 @@ Mappings::crate_num_to_nodeid (const CrateNum &crate_num) const bool Mappings::node_is_crate (NodeId node_id) const { - for (const auto &it : ast_crate_mappings) - { - NodeId crate_node_id = it.second->get_node_id (); - if (crate_node_id == node_id) - return true; - } - return false; + return lookup_crate_num (node_id).has_value (); } NodeId @@ -262,6 +266,7 @@ Mappings::insert_ast_crate (std::unique_ptr<AST::Crate> &&crate, rust_assert (it == ast_crate_mappings.end ()); // store it + crate_node_to_crate_num.insert ({crate->get_node_id (), crate_num}); ast_crate_mappings.insert ({crate_num, crate.release ()}); // return the reference to it diff --git a/gcc/rust/util/rust-hir-map.h b/gcc/rust/util/rust-hir-map.h index 9fcb3c6..86191f6 100644 --- a/gcc/rust/util/rust-hir-map.h +++ b/gcc/rust/util/rust-hir-map.h @@ -81,6 +81,8 @@ public: void set_current_crate (CrateNum crateNum); CrateNum get_current_crate () const; tl::optional<const std::string &> get_crate_name (CrateNum crate_num) const; + + tl::optional<CrateNum> lookup_crate_num (NodeId node_id) const; void set_crate_name (CrateNum crate_num, const std::string &name); const std::string &get_current_crate_name () const; tl::optional<CrateNum> |