79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
|
||
|
|
//
|
||
|
|
// This code is licensed under the MIT License (MIT).
|
||
|
|
//
|
||
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||
|
|
// THE SOFTWARE.
|
||
|
|
//
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#ifndef GSL_CONTRACTS_H
|
||
|
|
#define GSL_CONTRACTS_H
|
||
|
|
|
||
|
|
#include <exception>
|
||
|
|
|
||
|
|
//
|
||
|
|
// There are three configuration options for this GSL implementation's behavior
|
||
|
|
// when pre/post conditions on the GSL types are violated:
|
||
|
|
//
|
||
|
|
// 1. GSL_TERMINATE_ON_CONTRACT_VIOLATION: std::terminate will be called (default)
|
||
|
|
// 2. GSL_THROW_ON_CONTRACT_VIOLATION: a gsl::fail_fast exception will be thrown
|
||
|
|
// 3. GSL_UNENFORCED_ON_CONTRACT_VIOLATION: nothing happens
|
||
|
|
//
|
||
|
|
#if !(defined(GSL_THROW_ON_CONTRACT_VIOLATION) ^ defined(GSL_TERMINATE_ON_CONTRACT_VIOLATION) ^ defined(GSL_UNENFORCED_ON_CONTRACT_VIOLATION))
|
||
|
|
#define GSL_TERMINATE_ON_CONTRACT_VIOLATION
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#define GSL_STRINGIFY_DETAIL(x) #x
|
||
|
|
#define GSL_STRINGIFY(x) GSL_STRINGIFY_DETAIL(x)
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// GSL.assert: assertions
|
||
|
|
//
|
||
|
|
|
||
|
|
#if defined(GSL_THROW_ON_CONTRACT_VIOLATION)
|
||
|
|
|
||
|
|
#include <stdexcept>
|
||
|
|
|
||
|
|
namespace gsl
|
||
|
|
{
|
||
|
|
struct fail_fast : public std::runtime_error
|
||
|
|
{
|
||
|
|
explicit fail_fast(char const* const message) : std::runtime_error(message) {}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
#define Expects(cond) if (!(cond)) \
|
||
|
|
throw gsl::fail_fast("GSL: Precondition failure at " __FILE__ ": " GSL_STRINGIFY(__LINE__));
|
||
|
|
#define Ensures(cond) if (!(cond)) \
|
||
|
|
throw gsl::fail_fast("GSL: Postcondition failure at " __FILE__ ": " GSL_STRINGIFY(__LINE__));
|
||
|
|
|
||
|
|
|
||
|
|
#elif defined(GSL_TERMINATE_ON_CONTRACT_VIOLATION)
|
||
|
|
|
||
|
|
|
||
|
|
#define Expects(cond) if (!(cond)) std::terminate();
|
||
|
|
#define Ensures(cond) if (!(cond)) std::terminate();
|
||
|
|
|
||
|
|
|
||
|
|
#elif defined(GSL_UNENFORCED_ON_CONTRACT_VIOLATION)
|
||
|
|
|
||
|
|
#define Expects(cond)
|
||
|
|
#define Ensures(cond)
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#endif // GSL_CONTRACTS_H
|