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/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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 ART_SRC_LOGGING_H_
#define ART_SRC_LOGGING_H_
#include <cerrno>
#include <cstring>
#include <iostream> // NOLINT
#include <sstream>
#include "log_severity.h"
#include "macros.h"
#define CHECK(x) \
if (!(x)) \
LogMessage(__FILE__, __LINE__, FATAL, -1).stream() \
<< "Check failed: " #x << " "
#define CHECK_OP(LHS, RHS, OP) \
do { \
typeof (LHS) _lhs = (LHS); \
typeof (RHS) _rhs = (RHS); \
if (!(_lhs OP _rhs)) { \
LogMessage(__FILE__, __LINE__, FATAL, -1).stream() \
<< "Check failed: " << #LHS << " " << #OP << " " << #RHS \
<< " (" #LHS "=" << _lhs << ", " #RHS "=" << _rhs << ")"; \
} \
} while (false)
#define CHECK_EQ(x, y) CHECK_OP(x, y, ==)
#define CHECK_NE(x, y) CHECK_OP(x, y, !=)
#define CHECK_LE(x, y) CHECK_OP(x, y, <=)
#define CHECK_LT(x, y) CHECK_OP(x, y, <)
#define CHECK_GE(x, y) CHECK_OP(x, y, >=)
#define CHECK_GT(x, y) CHECK_OP(x, y, >)
#define CHECK_STROP(s1, s2, sense) \
do { \
if ((strcmp(s1, s2) == 0) != sense) { \
LOG(FATAL) << "Check failed: " \
<< "\"" << s1 << "\"" \
<< (sense ? " == " : " != ") \
<< "\"" << s2 << "\""; \
} \
} while (false)
#define CHECK_STREQ(s1, s2) CHECK_STROP(s1, s2, true)
#define CHECK_STRNE(s1, s2) CHECK_STROP(s1, s2, false)
#define CHECK_PTHREAD_CALL(call, args, what) \
do { \
int rc = call args; \
if (rc != 0) { \
errno = rc; \
PLOG(FATAL) << # call << " failed for " << what; \
} \
} while (false)
#ifndef NDEBUG
#define DCHECK(x) CHECK(x)
#define DCHECK_EQ(x, y) CHECK_EQ(x, y)
#define DCHECK_NE(x, y) CHECK_NE(x, y)
#define DCHECK_LE(x, y) CHECK_LE(x, y)
#define DCHECK_LT(x, y) CHECK_LT(x, y)
#define DCHECK_GE(x, y) CHECK_GE(x, y)
#define DCHECK_GT(x, y) CHECK_GT(x, y)
#define DCHECK_STREQ(s1, s2) CHECK_STREQ(s1, s2)
#define DCHECK_STRNE(s1, s2) CHECK_STRNE(s1, s2)
#else // NDEBUG
#define DCHECK(condition) \
while (false) \
CHECK(condition)
#define DCHECK_EQ(val1, val2) \
while (false) \
CHECK_EQ(val1, val2)
#define DCHECK_NE(val1, val2) \
while (false) \
CHECK_NE(val1, val2)
#define DCHECK_LE(val1, val2) \
while (false) \
CHECK_LE(val1, val2)
#define DCHECK_LT(val1, val2) \
while (false) \
CHECK_LT(val1, val2)
#define DCHECK_GE(val1, val2) \
while (false) \
CHECK_GE(val1, val2)
#define DCHECK_GT(val1, val2) \
while (false) \
CHECK_GT(val1, val2)
#define DCHECK_STREQ(str1, str2) \
while (false) \
CHECK_STREQ(str1, str2)
#define DCHECK_STRNE(str1, str2) \
while (false) \
CHECK_STRNE(str1, str2)
#endif
#define LOG(severity) LogMessage(__FILE__, __LINE__, severity, -1).stream()
#define PLOG(severity) LogMessage(__FILE__, __LINE__, severity, errno).stream()
#define LG LOG(INFO)
#define UNIMPLEMENTED(level) LOG(level) << __PRETTY_FUNCTION__ << " unimplemented "
class LogMessage {
public:
LogMessage(const char* file, int line, LogSeverity severity, int error);
~LogMessage();
std::ostream& stream();
private:
void LogLine(const char*);
std::stringstream buffer_;
const char* file_;
int line_number_;
LogSeverity severity_;
int errno_;
DISALLOW_COPY_AND_ASSIGN(LogMessage);
};
#endif // ART_SRC_LOGGING_H_
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