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//
//
// Copyright 2017 gRPC 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
//
// 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.
//
//
#ifndef GRPC_SRC_CORE_LIB_GPRPP_DEBUG_LOCATION_H
#define GRPC_SRC_CORE_LIB_GPRPP_DEBUG_LOCATION_H
#if defined(__has_builtin)
#if __has_builtin(__builtin_FILE)
#define GRPC_DEFAULT_FILE __builtin_FILE()
#endif
#endif
#ifndef GRPC_DEFAULT_FILE
#define GRPC_DEFAULT_FILE "<unknown>"
#endif
#if defined(__has_builtin)
#if __has_builtin(__builtin_LINE)
#define GRPC_DEFAULT_LINE __builtin_LINE()
#endif
#endif
#ifndef GRPC_DEFAULT_LINE
#define GRPC_DEFAULT_LINE -1
#endif
namespace grpc_core {
class SourceLocation {
public:
// NOLINTNEXTLINE
SourceLocation(const char* file = GRPC_DEFAULT_FILE,
int line = GRPC_DEFAULT_LINE)
: file_(file), line_(line) {}
const char* file() const { return file_; }
int line() const { return line_; }
private:
const char* file_;
int line_;
};
// Used for tracking file and line where a call is made for debug builds.
// No-op for non-debug builds.
// Callers can use the DEBUG_LOCATION macro in either case.
#ifndef NDEBUG
class DebugLocation {
public:
DebugLocation(const char* file = GRPC_DEFAULT_FILE,
int line = GRPC_DEFAULT_LINE)
: location_(file, line) {}
const char* file() const { return location_.file(); }
int line() const { return location_.line(); }
private:
SourceLocation location_;
};
#else
class DebugLocation {
public:
DebugLocation() {}
DebugLocation(const char* /* file */, int /* line */) {}
const char* file() const { return nullptr; }
int line() const { return -1; }
};
#endif
#define DEBUG_LOCATION ::grpc_core::DebugLocation(__FILE__, __LINE__)
} // namespace grpc_core
#endif // GRPC_SRC_CORE_LIB_GPRPP_DEBUG_LOCATION_H
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