From: Pierre-Emmanuel Patry <pierre-emmanuel.pa...@embecosm.com>
Add checks in the ast validation pass to error out with functions
(either free or associated) without a definition.
gcc/rust/ChangeLog:
* checks/errors/rust-ast-validation.cc (ASTValidation::visit): Add
a validation check and emit an error depending on the context.
Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.pa...@embecosm.com>
---
gcc/rust/checks/errors/rust-ast-validation.cc | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/gcc/rust/checks/errors/rust-ast-validation.cc
b/gcc/rust/checks/errors/rust-ast-validation.cc
index 2743eb0ca29..6fb142c7845 100644
--- a/gcc/rust/checks/errors/rust-ast-validation.cc
+++ b/gcc/rust/checks/errors/rust-ast-validation.cc
@@ -109,6 +109,16 @@ ASTValidation::visit (AST::Function &function)
function.get_self_param ()->get_locus (),
"%<self%> parameter is only allowed in associated functions");
+ if (!function.has_body ())
+ {
+ if (context.back () == Context::INHERENT_IMPL
+ || context.back () == Context::TRAIT_IMPL)
+ rust_error_at (function.get_locus (),
+ "associated function in %<impl%> without body");
+ else if (context.back () != Context::TRAIT)
+ rust_error_at (function.get_locus (), "free function without a body");
+ }
+
if (function.is_variadic ())
rust_error_at (
function.get_function_params ().back ()->get_locus (),
--
2.42.1
