| 175 | } |
| 176 | |
| 177 | absl::Status ConstantFoldingExtension::OnPreVisit(PlannerContext& context, |
| 178 | const Expr& node) { |
| 179 | IsConst is_const = IsConstExpr(node, context.resolver()); |
| 180 | is_const_.push_back(is_const); |
| 181 | |
| 182 | return absl::OkStatus(); |
| 183 | } |
| 184 | |
| 185 | absl::Status ConstantFoldingExtension::OnPostVisit(PlannerContext& context, |
| 186 | const Expr& node) { |