diff --git a/src/df/gfx/df_views.c b/src/df/gfx/df_views.c
index ac4d7737..7019545e 100644
--- a/src/df/gfx/df_views.c
+++ b/src/df/gfx/df_views.c
@@ -2774,7 +2774,6 @@ df_watch_view_build(DF_Window *ws, DF_Panel *panel, DF_View *view, DF_WatchViewS
           //- rjf: draw start of cache lines in expansions
           //
           if((row_eval.mode == E_Mode_Offset || row_eval.mode == E_Mode_Null) &&
-             row_eval.msgs.count == 0 &&
              row_eval.value.u64%64 == 0 && row->depth > 0 &&
              !row_expanded)
           {
@@ -2789,7 +2788,6 @@ df_watch_view_build(DF_Window *ws, DF_Panel *panel, DF_View *view, DF_WatchViewS
           //- rjf: draw mid-row cache line boundaries in expansions
           //
           if((row_eval.mode == E_Mode_Offset || row_eval.mode == E_Mode_Null) &&
-             row_eval.msgs.max_kind == E_MsgKind_Null &&
              row_eval.value.u64%64 != 0 &&
              row->depth > 0 &&
              !row_expanded)
@@ -2850,10 +2848,18 @@ df_watch_view_build(DF_Window *ws, DF_Panel *panel, DF_View *view, DF_WatchViewS
                 }goto value_cell;
                 value_cell:;
                 {
-                  if(cell_eval.msgs.max_kind > E_MsgKind_Null)
+                  E_MsgList msgs = cell_eval.msgs;
+                  if(row->depth == 0 && row->string.size != 0)
+                  {
+                    E_TokenArray tokens = e_token_array_from_text(scratch.arena, row->string);
+                    E_Parse parse = e_parse_expr_from_text_tokens(scratch.arena, row->string, &tokens);
+                    e_msg_list_concat_in_place(&parse.msgs, &msgs);
+                    msgs = parse.msgs;
+                  }
+                  if(msgs.max_kind > E_MsgKind_Null)
                   {
                     String8List strings = {0};
-                    for(E_Msg *msg = cell_eval.msgs.first; msg != 0; msg = msg->next)
+                    for(E_Msg *msg = msgs.first; msg != 0; msg = msg->next)
                     {
                       str8_list_push(scratch.arena, &strings, msg->text);
                     }
diff --git a/src/eval/eval.mdesk b/src/eval/eval.mdesk
index f2738e7e..8747a105 100644
--- a/src/eval/eval.mdesk
+++ b/src/eval/eval.mdesk
@@ -84,8 +84,8 @@ E_ExprKindTable:
   { Deref                UnaryPrefix         2        "*"                 "*"       ""        "" }
   { Address              UnaryPrefix         2        "&"                 "&"       ""        "" }
   
-  { Cast                 Null                0        "cast"              ""        ""        "" }
-  { Sizeof               UnaryPrefix         0        "sizeof"            "sizeof"  ""        "" }
+  { Cast                 Null                1        "cast"              ""        ""        "" }
+  { Sizeof               UnaryPrefix         1        "sizeof"            "sizeof"  ""        "" }
   
   { Neg                  UnaryPrefix         2        "-"                 "-"       ""        "" }
   { LogNot               UnaryPrefix         2        "!"                 "!"       ""        "" }
diff --git a/src/eval/eval_parse.c b/src/eval/eval_parse.c
index d84c6b19..ce367699 100644
--- a/src/eval/eval_parse.c
+++ b/src/eval/eval_parse.c
@@ -1191,14 +1191,21 @@ e_parse_expr_from_text_tokens__prec(Arena *arena, String8 text, E_TokenArray *to
       it = nested_parse.last_token;
       
       // rjf: build cast-to-U64*, and dereference operators
-      E_Expr *type = e_push_expr(arena, E_ExprKind_TypeIdent, token_string.str);
-      type->type_key = e_type_key_cons_ptr(e_type_key_basic(E_TypeKind_U64));
-      E_Expr *casted = atom;
-      E_Expr *cast = e_push_expr(arena, E_ExprKind_Cast, token_string.str);
-      e_expr_push_child(cast, type);
-      e_expr_push_child(cast, casted);
-      atom = e_push_expr(arena, E_ExprKind_Deref, token_string.str);
-      e_expr_push_child(atom, cast);
+      if(nested_parse.expr == &e_expr_nil)
+      {
+        e_msgf(arena, &result.msgs, E_MsgKind_MalformedInput, token_string.str, "Expected expression following `[`.");
+      }
+      else
+      {
+        E_Expr *type = e_push_expr(arena, E_ExprKind_TypeIdent, token_string.str);
+        type->type_key = e_type_key_cons_ptr(e_type_key_basic(E_TypeKind_U64));
+        E_Expr *casted = atom;
+        E_Expr *cast = e_push_expr(arena, E_ExprKind_Cast, token_string.str);
+        e_expr_push_child(cast, type);
+        e_expr_push_child(cast, casted);
+        atom = e_push_expr(arena, E_ExprKind_Deref, token_string.str);
+        e_expr_push_child(atom, cast);
+      }
       
       // rjf: expect ]
       E_Token close_paren_maybe = e_token_at_it(it, tokens);
@@ -1814,7 +1821,7 @@ e_parse_expr_from_text_tokens__prec(Arena *arena, String8 text, E_TokenArray *to
   }
   
   //- rjf: upgrade atom w/ previously parsed prefix unaries
-  if(atom == &e_expr_nil && first_prefix_unary != 0 && first_prefix_unary->cast_expr != 0)
+  if(atom == &e_expr_nil && first_prefix_unary != 0 && first_prefix_unary->cast_expr != &e_expr_nil)
   {
     atom = first_prefix_unary->cast_expr;
     for(PrefixUnaryNode *prefix_unary = first_prefix_unary->next;
@@ -1830,7 +1837,7 @@ e_parse_expr_from_text_tokens__prec(Arena *arena, String8 text, E_TokenArray *to
       e_expr_push_child(atom, rhs);
     }
   }
-  else if(atom == 0 && first_prefix_unary != 0)
+  else if(atom == &e_expr_nil && first_prefix_unary != 0)
   {
     e_msgf(arena, &result.msgs, E_MsgKind_MalformedInput, last_prefix_unary->location, "Missing expression.");
   }
diff --git a/src/eval/generated/eval.meta.c b/src/eval/generated/eval.meta.c
index 1729ba84..c2198519 100644
--- a/src/eval/generated/eval.meta.c
+++ b/src/eval/generated/eval.meta.c
@@ -84,8 +84,8 @@ E_OpInfo e_expr_kind_op_info_table[43] =
 { E_OpKind_Null, 0, str8_lit_comp(""), str8_lit_comp("."), str8_lit_comp("MemberAccess") },
 { E_OpKind_UnaryPrefix, 2, str8_lit_comp("*"), str8_lit_comp(""), str8_lit_comp("Deref") },
 { E_OpKind_UnaryPrefix, 2, str8_lit_comp("&"), str8_lit_comp(""), str8_lit_comp("Address") },
-{ E_OpKind_Null, 0, str8_lit_comp(""), str8_lit_comp(""), str8_lit_comp("Cast") },
-{ E_OpKind_UnaryPrefix, 0, str8_lit_comp("sizeof"), str8_lit_comp(""), str8_lit_comp("Sizeof") },
+{ E_OpKind_Null, 1, str8_lit_comp(""), str8_lit_comp(""), str8_lit_comp("Cast") },
+{ E_OpKind_UnaryPrefix, 1, str8_lit_comp("sizeof"), str8_lit_comp(""), str8_lit_comp("Sizeof") },
 { E_OpKind_UnaryPrefix, 2, str8_lit_comp("-"), str8_lit_comp(""), str8_lit_comp("Neg") },
 { E_OpKind_UnaryPrefix, 2, str8_lit_comp("!"), str8_lit_comp(""), str8_lit_comp("LogNot") },
 { E_OpKind_UnaryPrefix, 2, str8_lit_comp("~"), str8_lit_comp(""), str8_lit_comp("BitNot") },