Method Evaluate

eval/eval/function_step.cc:271–284

}

absl::Status AbstractFunctionStep::Evaluate(ExecutionFrame* frame) const {
  if (!frame->value_stack().HasEnough(num_arguments_)) {
    return absl::Status(absl::StatusCode::kInternal, "Value stack underflow");
  }

  // DoEvaluate may return a status for non-recoverable errors  (e.g.
  // unexpected typing, illegal expression state). Application errors that can
  // reasonably be handled as a cel error will appear in the result value.
  CEL_ASSIGN_OR_RETURN(auto result, DoEvaluate(frame));

  frame->value_stack().PopAndPush(num_arguments_, std::move(result));

  return absl::OkStatus();
}

absl::StatusOr<ResolveResult> ResolveStatic(
    absl::Span<const cel::Value> input_args,