| 357 | } |
| 358 | |
| 359 | int ProgramBuilder::ExtractSubexpression(const cel::Expr* expr) { |
| 360 | auto it = subprogram_map_.find(expr); |
| 361 | if (it == subprogram_map_.end()) { |
| 362 | return -1; |
| 363 | } |
| 364 | auto* subexpression = it->second.get(); |
| 365 | auto parent_it = subprogram_map_.find(subexpression->parent_); |
| 366 | if (parent_it == subprogram_map_.end()) { |
| 367 | return -1; |
| 368 | } |
| 369 | |
| 370 | auto* parent = parent_it->second.get(); |
| 371 | |
| 372 | auto* child = parent->ExtractChild(subexpression); |
| 373 | |
| 374 | if (child == nullptr) { |
| 375 | return -1; |
| 376 | } |
| 377 | |
| 378 | extracted_subexpressions_.push_back(child); |
| 379 | return extracted_subexpressions_.size() - 1; |
| 380 | } |
| 381 | |
| 382 | Subexpression* absl_nullable ProgramBuilder::MakeSubexpression( |
| 383 | const cel::Expr* expr) { |