Non existent field err code

src/librustc/infer/mod.rs

@@ -1538,6 +1538,36 @@ impl<'a, 'gcx, 'tcx> InferCtxt<'a, 'gcx, 'tcx> {
         }
     }
 
+    pub fn build_type_error_struct_str_with_expected<M>(&self,
+                                                        sp: Span,
+                                                        mk_err: M,
+                                                        expected_ty: Option<Ty<'tcx>>,
+                                                        actual_ty: String,
+                                                        err: Option<&TypeError<'tcx>>)
+                                                        -> DiagnosticBuilder<'tcx>
+        where M: FnOnce(Option<String>, String, String) -> DiagnosticBuilder<'tcx>,
+    {
+        debug!("hi! expected_ty = {:?}, actual_ty = {}", expected_ty, actual_ty);
+
+        let resolved_expected = expected_ty.map(|e_ty| self.resolve_type_vars_if_possible(&e_ty));
+
+        if !resolved_expected.references_error() {
+            let error_str = err.map_or("".to_string(), |t_err| {
+                format!(" ({})", t_err)
+            });
+
+            let mut db = mk_err(resolved_expected.map(|t| self.ty_to_string(t)), actual_ty,
+                                error_str);
+
+            if let Some(err) = err {
+                self.tcx.note_and_explain_type_err(&mut db, err, sp);
+            }
+            db
+        } else {
+            self.tcx.sess.diagnostic().struct_dummy()
+        }
+    }
+
     pub fn type_error_message<M>(&self,
                                  sp: Span,
                                  mk_msg: M,
@@ -1568,6 +1598,28 @@ impl<'a, 'gcx, 'tcx> InferCtxt<'a, 'gcx, 'tcx> {
             self.ty_to_string(actual_ty), err)
     }
 
+    pub fn build_type_error_struct<M>(&self,
+                                      sp: Span,
+                                      mk_err: M,
+                                      actual_ty: Ty<'tcx>,
+                                      err: Option<&TypeError<'tcx>>)
+                                      -> DiagnosticBuilder<'tcx>
+        where M: FnOnce(String, String) -> DiagnosticBuilder<'tcx>,
+    {
+        let actual_ty = self.resolve_type_vars_if_possible(&actual_ty);
+
+        // Don't report an error if actual type is TyError.
+        if actual_ty.references_error() {
+            return self.tcx.sess.diagnostic().struct_dummy();
+        }
+
+        self.build_type_error_struct_str_with_expected(sp,
+            move |_e, a, s| { mk_err(a, s) },
+            None,
+            self.ty_to_string(actual_ty),
+            err)
+    }
+
     pub fn report_mismatched_types(&self,
                                    origin: TypeOrigin,
                                    expected: Ty<'tcx>,

src/librustc_typeck/check/mod.rs

@@ -3029,14 +3029,16 @@ impl<'a, 'gcx, 'tcx> FnCtxt<'a, 'gcx, 'tcx> {
                             variant: ty::VariantDef<'tcx>,
                             field: &hir::Field,
                             skip_fields: &[hir::Field]) {
-        let mut err = self.type_error_struct(
+        let mut err = self.build_type_error_struct(
             field.name.span,
-            |actual| if let ty::TyEnum(..) = ty.sty {
-                format!("struct variant `{}::{}` has no field named `{}`",
-                        actual, variant.name.as_str(), field.name.node)
+            |actual, err_str| if let ty::TyEnum(..) = ty.sty {
+                struct_span_err!(self.tcx.sess, field.name.span, E0559,
+                                 "struct variant `{}::{}` has no field named `{}`{}",
+                                 actual, variant.name.as_str(), field.name.node, err_str)
             } else {
-                format!("structure `{}` has no field named `{}`",
-                        actual, field.name.node)
+                struct_span_err!(self.tcx.sess, field.name.span, E0560,
+                                 "structure `{}` has no field named `{}`{}",
+                                 actual, field.name.node, err_str)
             },
             ty,
             None);

src/librustc_typeck/diagnostics.rs

@@ -4029,6 +4029,57 @@ impl SpaceLlama for i32 {
 ```
 "##,
 
+E0559: r##"
+An unknown field was specified into an enum's structure variant.
+
+Erroneous code example:
+
+```compile_fail,E0559
+enum Field {
+    Fool { x: u32 },
+}
+
+let s = Field::Fool { joke: 0 };
+// error: struct variant `Field::Fool` has no field named `joke`
+```
+
+Verify you didn't misspell the field's name or that the field exists. Example:
+
+```
+enum Field {
+    Fool { joke: u32 },
+}
+
+let s = Field::Fool { joke: 0 }; // ok!
+```
+"##,
+
+E0560: r##"
+An unknown field was specified into a structure.
+
+Erroneous code example:
+
+```compile_fail,E0560
+struct Simba {
+    mother: u32,
+}
+
+let s = Simba { mother: 1, father: 0 };
+// error: structure `Simba` has no field named `father`
+```
+
+Verify you didn't misspell the field's name or that the field exists. Example:
+
+```
+struct Simba {
+    mother: u32,
+    father: u32,
+}
+
+let s = Simba { mother: 1, father: 0 }; // ok!
+```
+"##,
+
 }
 
 register_diagnostics! {