log.h
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// 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.
//
// See www.openfst.org for extensive documentation on this weighted
// finite-state transducer library.
//
// Google-style logging declarations and inline definitions.
#ifndef FST_LIB_LOG_H_
#define FST_LIB_LOG_H_
#include <cassert>
#include <iostream>
#include <string>
#include <fst/types.h>
#include <fst/flags.h>
using std::string;
DECLARE_int32(v);
class LogMessage {
public:
LogMessage(const string &type) : fatal_(type == "FATAL") {
std::cerr << type << ": ";
}
~LogMessage() {
std::cerr << std::endl;
if(fatal_)
exit(1);
}
std::ostream &stream() { return std::cerr; }
private:
bool fatal_;
};
#define LOG(type) LogMessage(#type).stream()
#define VLOG(level) if ((level) <= FLAGS_v) LOG(INFO)
// Checks
inline void FstCheck(bool x, const char* expr,
const char *file, int line) {
if (!x) {
LOG(FATAL) << "Check failed: \"" << expr
<< "\" file: " << file
<< " line: " << line;
}
}
#define CHECK(x) FstCheck(static_cast<bool>(x), #x, __FILE__, __LINE__)
#define CHECK_EQ(x, y) CHECK((x) == (y))
#define CHECK_LT(x, y) CHECK((x) < (y))
#define CHECK_GT(x, y) CHECK((x) > (y))
#define CHECK_LE(x, y) CHECK((x) <= (y))
#define CHECK_GE(x, y) CHECK((x) >= (y))
#define CHECK_NE(x, y) CHECK((x) != (y))
// Debug checks
#define DCHECK(x) assert(x)
#define DCHECK_EQ(x, y) DCHECK((x) == (y))
#define DCHECK_LT(x, y) DCHECK((x) < (y))
#define DCHECK_GT(x, y) DCHECK((x) > (y))
#define DCHECK_LE(x, y) DCHECK((x) <= (y))
#define DCHECK_GE(x, y) DCHECK((x) >= (y))
#define DCHECK_NE(x, y) DCHECK((x) != (y))
// Ports
#define ATTRIBUTE_DEPRECATED __attribute__((deprecated))
#endif // FST_LIB_LOG_H_