src/txpr/tracer.cc¶

// Copyright 2026 The Tenzr Project Authors
//
// SPDX-License-Identifier: Apache-2.0
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "tenzr/txpr/tracer.h"

#include <vector>

#include "tenzr/common/error.h"

namespace tenzr::txpr {

  std::vector<Txpr*>& TracerContext::TxprStack() {
    static thread_local std::vector<Txpr*> stack;
    return stack;
  }

  bool TracerContext::IsActive() noexcept { return !TxprStack().empty(); }

  Txpr* TracerContext::CurrentTxpr() noexcept {
    if (TxprStack().empty()) {
      return nullptr;
    }
    return TxprStack().back();
  }

  void TracerContext::PushTxpr(Txpr* txpr) {
    TENZR_CHECK(txpr != nullptr, "Cannot push null Txpr to TracerContext");
    TxprStack().push_back(txpr);
  }

  void TracerContext::PopTxpr() {
    TENZR_CHECK(!TxprStack().empty(), "TracerContext::pop_txpr called on empty stack");
    TxprStack().pop_back();
  }

}  // namespace tenzr::txpr