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// Copyright 2021 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 <stddef.h>
#include <stdint.h>
#include "pw_preprocessor/compiler.h"
#include "pw_preprocessor/util.h"
// Enable traces
#define PW_TRACE_TYPE_INSTANT 1
#define PW_TRACE_TYPE_INSTANT_GROUP 1
#define PW_TRACE_TYPE_DURATION_START 1
#define PW_TRACE_TYPE_DURATION_END 1
#define PW_TRACE_TYPE_DURATION_GROUP_START 1
#define PW_TRACE_TYPE_DURATION_GROUP_END 1
#define PW_TRACE_TYPE_ASYNC_START 1
#define PW_TRACE_TYPE_ASYNC_INSTANT 1
#define PW_TRACE_TYPE_ASYNC_END 1
PW_EXTERN_C_START
// Empty function for compiling out trace statements. Since the function is
// empty and inline, it should be completely compiled out. This function
// accomplishes following:
//
// - Uses the arguments to PW_TRACE, which avoids "unused variable" warnings.
// - Executes expressions passed to PW_TRACE, so that the behavior is
// consistent between this null backend and an actual backend.
//
// These two functions are used in PW_TRACE and PW_TRACE_DATA.
static inline void _pw_trace_Ignored(int event_type,
uint8_t flags,
const char* label,
const char* group,
uint32_t trace_id) {
(void)event_type;
(void)flags;
(void)label;
(void)group;
(void)trace_id;
}
static inline void _pw_trace_IgnoredData(int event_type,
uint8_t flags,
const char* label,
const char* group,
uint32_t trace_id,
const char* type,
const void* data,
size_t size) {
(void)event_type;
(void)flags;
(void)label;
(void)group;
(void)trace_id;
(void)type;
(void)data;
(void)size;
}
PW_EXTERN_C_END
#define PW_TRACE(event_type, flags, label, group, trace_id) \
_pw_trace_Ignored(event_type, flags, label, group, trace_id)
#define PW_TRACE_DATA( \
event_type, flags, label, group, trace_id, type, data, size) \
_pw_trace_IgnoredData( \
event_type, flags, label, group, trace_id, type, data, size)
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