Generic parameters are not allowed on auto traits, the compiler should
emit an error.
gcc/rust/ChangeLog:
* checks/errors/rust-ast-validation.cc (ASTValidation::visit): Add
check for generics on auto traits.
* checks/errors/rust-ast-validation.h: Add visit function prototype.
Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
AST::ContextualASTVisitor::visit (function);
}
+void
+ASTValidation::visit (AST::Trait &trait)
+{
+ if (trait.is_auto ())
+ {
+ if (trait.has_generics ())
+ rust_error_at (trait.get_generic_params ()[0]->get_locus (),
+ ErrorCode::E0567,
+ "auto traits cannot have generic parameters");
+ }
+
+ AST::ContextualASTVisitor::visit (trait);
+}
+
} // namespace Rust
virtual void visit (AST::LoopLabel &label);
virtual void visit (AST::ExternalFunctionItem &item);
virtual void visit (AST::Function &function);
+ virtual void visit (AST::Trait &trait);
};
} // namespace Rust