Attempted to access a nonexistent field [E0609]

gcc/rust/ChangeLog:

	* typecheck/rust-hir-type-check-expr.cc (TypeCheckExpr::visit):
	Add error code and update error message

gcc/testsuite/ChangeLog:

	* rust/compile/nonexistent-field.rs: New test.

Signed-off-by: Muhammad Mahad <mahadtxt@gmail.com>

diff --git a/gcc/rust/typecheck/rust-hir-type-check-expr.cc b/gcc/rust/typecheck/rust-hir-type-check-expr.cc
index b2bb7172f2446a11a8e68660c80253196fdb0db2..8a1460b11bc844f8615d172b01e7b2b23177246e 100644 (file)
--- a/gcc/rust/typecheck/rust-hir-type-check-expr.cc
+++ b/gcc/rust/typecheck/rust-hir-type-check-expr.cc
@@ -85,7 +85,9 @@ TypeCheckExpr::visit (HIR::TupleIndexExpr &expr)
       TupleIndex index = expr.get_tuple_index ();
       if ((size_t) index >= tuple->num_fields ())
        {
-         rust_error_at (expr.get_locus (), "unknown field at index %i", index);
+         rust_error_at (expr.get_locus (), ErrorCode::E0609,
+                        "no field %qi on type %qs", index,
+                        resolved->get_name ().c_str ());
          return;
        }
 
@@ -1078,7 +1080,8 @@ TypeCheckExpr::visit (HIR::FieldAccessExpr &expr)
                                     &lookup, nullptr);
   if (!found)
     {
-      rust_error_at (expr.get_locus (), "unknown field [%s] for type [%s]",
+      rust_error_at (expr.get_locus (), ErrorCode::E0609,
+                    "no field %qs on type %qs",
                     expr.get_field_name ().as_string ().c_str (),
                     adt->as_string ().c_str ());
       return;

diff --git a/gcc/testsuite/rust/compile/nonexistent-field.rs b/gcc/testsuite/rust/compile/nonexistent-field.rs
new file mode 100644 (file)
index 0000000..e20c49d
--- /dev/null
+++ b/gcc/testsuite/rust/compile/nonexistent-field.rs
@@ -0,0 +1,14 @@
+#![allow(unused)]
+fn main() {
+    struct StructWithFields {
+        x: u32,
+    }
+
+    let s = StructWithFields { x: 0 };
+    s.foo;
+    // { dg-error "no field .foo. on type .StructWithFields.StructWithFields .x.u32... .E0609." "" { target *-*-* } .-1 }
+
+    let numbers = (1, 2, 3);
+    numbers.3;
+    // { dg-error "no field .3. on type ..<integer>, <integer>, <integer>.. .E0609." "" { target *-*-* } .-1 }
+}