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// Copyright 2020 The Pigweed Authors
//
// 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.
#pragma once
#include "pw_assert/options.h" // For PW_ASSERT_ENABLE_DEBUG
#include "pw_preprocessor/util.h"
// For backwards compatibility, include check.h from assert.h.
// TODO(pwbug/350): Remove this include when projects have migrated.
#include "pw_assert/check.h"
PW_EXTERN_C_START
void pw_assert_HandleFailure(void);
PW_EXTERN_C_END
// A header- and constexpr-safe version of PW_CHECK().
//
// If the given condition is false, crash the system. Otherwise, do nothing.
// The condition is guaranteed to be evaluated. This assert implementation is
// guaranteed to be constexpr-safe.
//
// IMPORTANT: Unlike the PW_CHECK_*() suite of macros, this API captures no
// rich information like line numbers, the file, expression arguments, or the
// stringified expression. Use these macros only when absolutely necessary --
// in headers, constexr contexts, or in rare cases where the call site overhead
// of a full PW_CHECK must be avoided. Use PW_CHECK_*() whenever possible.
#define PW_ASSERT(condition) \
do { \
if (!(condition)) { \
pw_assert_HandleFailure(); \
} \
} while (0)
// A header- and constexpr-safe version of PW_DCHECK().
//
// Same as PW_ASSERT(), except that if PW_ASSERT_ENABLE_DEBUG == 1, the assert
// is disabled and condition is not evaluated.
//
// IMPORTANT: Unlike the PW_CHECK_*() suite of macros, this API captures no
// rich information like line numbers, the file, expression arguments, or the
// stringified expression. Use these macros only when absolutely necessary --
// in headers, constexr contexts, or in rare cases where the call site overhead
// of a full PW_CHECK must be avoided. Use PW_DCHECK_*() whenever possible.
#define PW_DASSERT(condition) \
do { \
if ((PW_ASSERT_ENABLE_DEBUG == 1) && !(condition)) { \
pw_assert_HandleFailure(); \
} \
} while (0)
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