https://gcc.gnu.org/g:af079a89f6e5efc8a97f1c0cdd9d8c9237f420a0
commit af079a89f6e5efc8a97f1c0cdd9d8c9237f420a0
Author: Pierre-Emmanuel Patry <pierre-emmanuel.pa...@embecosm.com>
Date: Wed Nov 22 10:44:08 2023 +0100
Add async const function ast validation pass
Add a check during AST validation pass to ensure functions are either
const or async but not both.
gcc/rust/ChangeLog:
* checks/errors/rust-ast-validation.cc (ASTValidation::visit): Add
async const check.
Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.pa...@embecosm.com>
Diff:
---
gcc/rust/checks/errors/rust-ast-validation.cc | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/gcc/rust/checks/errors/rust-ast-validation.cc
b/gcc/rust/checks/errors/rust-ast-validation.cc
index 4b209908f9e5..54276e8fd599 100644
--- a/gcc/rust/checks/errors/rust-ast-validation.cc
+++ b/gcc/rust/checks/errors/rust-ast-validation.cc
@@ -98,6 +98,11 @@ ASTValidation::visit (AST::Function &function)
std::set<Context> valid_context
= {Context::INHERENT_IMPL, Context::TRAIT_IMPL};
+ const auto &qualifiers = function.get_qualifiers ();
+ if (qualifiers.is_async () && qualifiers.is_const ())
+ rust_error_at (function.get_locus (),
+ "functions cannot be both %<const%> and %<async%>");
+
if (valid_context.find (context.back ()) == valid_context.end ()
&& function.has_self_param ())
rust_error_at (
