Add initial name resolution for traits and trait impls

We need to add name resolution for traits and trait impls. We cannot start
working with trait obligations untill we can actually implment a basic trait first.

Addresses: #395

1 files changed, 6 insertions, 0 deletions

diff --git a/gcc/rust/resolve/rust-ast-resolve.cc b/gcc/rust/resolve/rust-ast-resolve.cc
index 41c6938..f97c97b 100644
--- a/gcc/rust/resolve/rust-ast-resolve.cc
+++ b/gcc/rust/resolve/rust-ast-resolve.cc
@@ -41,6 +41,9 @@
     }                                                                          \
   while (0)
 
+extern bool
+saw_errors (void);
+
 namespace Rust {
 namespace Resolver {
 
@@ -322,6 +325,9 @@ NameResolution::go (AST::Crate &crate)
   for (auto it = crate.items.begin (); it != crate.items.end (); it++)
     ResolveTopLevel::go (it->get ());
 
+  if (saw_errors ())
+    return;
+
   // next we can drill down into the items and their scopes
   for (auto it = crate.items.begin (); it != crate.items.end (); it++)
     ResolveItem::go (it->get ());