Method FindExpr

common/ast/navigable_ast_internal.h:265–272

  // Return ptr to the AST node representing the given Expr protobuf node.
  const NodeType* absl_nullable FindExpr(
      const ExprType* absl_nonnull expr) const {
    auto it = metadata_->expr_to_node.find(expr);
    if (it == metadata_->expr_to_node.end()) {
      return nullptr;
    }
    return it->second;
  }

  // The root of the AST.
  const NodeType& Root() const { return *metadata_->nodes[0]; }