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| author | liushuyu <liushuyu011@gmail.com> | 2022-06-11 20:02:54 -0600 |
|---|---|---|
| committer | liushuyu <liushuyu011@gmail.com> | 2022-06-28 17:54:18 -0600 |
| commit | 649d3c45afa9c65cad99c8d195e342b3c8bea43c (patch) | |
| tree | 6d341c9824ead55b0fa10d5920d66d7cadb3d860 | |
| parent | 04cc46cfe8cad9736ccf2d5c884af50e57b67ce6 (diff) | |
| download | gcc-649d3c45afa9c65cad99c8d195e342b3c8bea43c.zip gcc-649d3c45afa9c65cad99c8d195e342b3c8bea43c.tar.gz gcc-649d3c45afa9c65cad99c8d195e342b3c8bea43c.tar.bz2 | |
rust/backend: scan for any deprecated function calls ...
... and emit warnings using GCC's own deprecation warning system
| -rw-r--r-- | gcc/rust/backend/rust-compile-base.cc | 9 | ||||
| -rw-r--r-- | gcc/rust/rust-gcc.cc | 10 |
2 files changed, 17 insertions, 2 deletions
diff --git a/gcc/rust/backend/rust-compile-base.cc b/gcc/rust/backend/rust-compile-base.cc index 335a6d4..066ef43 100644 --- a/gcc/rust/backend/rust-compile-base.cc +++ b/gcc/rust/backend/rust-compile-base.cc @@ -209,8 +209,13 @@ HIRCompileBase::handle_deprecated_attribute_on_fndecl ( } } - DECL_ATTRIBUTES (fndecl) = tree_cons (get_identifier ("deprecated"), value, - DECL_ATTRIBUTES (fndecl)); + if (value) + { + tree attr_list = build_tree_list (NULL_TREE, value); + DECL_ATTRIBUTES (fndecl) + = tree_cons (get_identifier ("deprecated"), attr_list, + DECL_ATTRIBUTES (fndecl)); + } } void diff --git a/gcc/rust/rust-gcc.cc b/gcc/rust/rust-gcc.cc index 445cb0d..4fea6fb 100644 --- a/gcc/rust/rust-gcc.cc +++ b/gcc/rust/rust-gcc.cc @@ -51,6 +51,8 @@ #include "rust-backend.h" #include "rust-object-export.h" +#include "backend/rust-tree.h" + // TODO: this will have to be significantly modified to work with Rust // Bvariable is a bit more complicated, because of zero-sized types. @@ -1852,6 +1854,14 @@ Gcc_backend::call_expression (tree fn, const std::vector<tree> &fn_args, excess_type != NULL_TREE ? excess_type : rettype, fn, nargs, args); + // check for deprecated function usage + if (fndecl && TREE_DEPRECATED (fndecl)) + { + // set up the call-site information for `warn_deprecated_use` + input_location = location.gcc_location (); + warn_deprecated_use (fndecl, NULL_TREE); + } + if (chain_expr) CALL_EXPR_STATIC_CHAIN (ret) = chain_expr; |