more robustness to malformed expressions

src/eval/eval_ir.c

@@ -1353,7 +1353,7 @@ e_push_irtree_and_type_from_expr(Arena *arena, E_IRTreeAndType *root_parent, B32
         // left-hand-side of the dot operator as the first argument. this is a fast path
         // which prevents paren nesting in simple cases, to easily chain multiple
         // calls - for example, bin(2).digits(4)
-        else if(lhs->kind == E_ExprKind_MemberAccess)
+        else if(lhs->kind == E_ExprKind_MemberAccess && lhs->first->next != &e_expr_nil)
         {
           E_Expr *callee = lhs->first->next;
           E_Expr *first_arg = e_expr_ref(arena, lhs->first);

src/eval_visualization/eval_visualization_core.c

@@ -557,6 +557,7 @@ ev_block_tree_from_eval(Arena *arena, EV_View *view, String8 filter, E_Eval root
       {
         expansion_row_count = viz_expand_info.row_count;
       }
+      expansion_row_count = Min(0x0fffffffffffffffull, expansion_row_count);
       
       // rjf: determine if this expansion supports child expansions
       B32 allow_child_expansions = 1;