// Copyright 2018 Google LLC

//

// 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

//

// http://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 "cc/check.h"

#include <cstdlib>

#include <iostream>

#include "absl/debugging/stacktrace.h"

#include "absl/debugging/symbolize.h"

namespace minigo {

namespace internal {

void CheckFail(const char* cond, const char* file, int line) {

std::cerr << "Check failed at " << file << ":" << line << ": " << cond

<< std::endl;

void* stack[64];

int depth = absl::GetStackTrace(stack, 64, 1);

char buffer[256];

for (int i = 0; i < depth; ++i) {

std::cerr << " " << stack[i] << " ";

if (absl::Symbolize(stack[i], buffer, 256)) {

std::cerr << buffer;

} else {

std::cerr << "??";

}

std::cerr << std::endl;

}

exit(1);

}

} // namespace internal

} // namespace minigo