276 lines
6.4 KiB
C++
276 lines
6.4 KiB
C++
/*!
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* Copyright (c) 2015 by Contributors
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* \file base.h
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* \brief defines configuration macros
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*/
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#ifndef DMLC_BASE_H_
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#define DMLC_BASE_H_
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/*! \brief whether use glog for logging */
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#ifndef DMLC_USE_GLOG
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#define DMLC_USE_GLOG 0
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#endif
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/*!
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* \brief whether throw dmlc::Error instead of
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* directly calling abort when FATAL error occured
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* NOTE: this may still not be perfect.
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* do not use FATAL and CHECK in destructors
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*/
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#ifndef DMLC_LOG_FATAL_THROW
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#define DMLC_LOG_FATAL_THROW 1
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#endif
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/*!
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* \brief whether always log a message before throw
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* This can help identify the error that cannot be catched.
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*/
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#ifndef DMLC_LOG_BEFORE_THROW
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#define DMLC_LOG_BEFORE_THROW 1
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#endif
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/*!
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* \brief Whether to use customized logger,
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* whose output can be decided by other libraries.
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*/
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#ifndef DMLC_LOG_CUSTOMIZE
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#define DMLC_LOG_CUSTOMIZE 0
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#endif
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/*!
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* \brief Wheter to print stack trace for fatal error,
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* enabled on linux when using gcc.
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*/
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#if (!defined(DMLC_LOG_STACK_TRACE) && defined(__GNUC__) && !defined(__MINGW32__))
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#define DMLC_LOG_STACK_TRACE 1
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#endif
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/*! \brief whether compile with hdfs support */
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#ifndef DMLC_USE_HDFS
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#define DMLC_USE_HDFS 0
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#endif
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/*! \brief whether compile with s3 support */
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#ifndef DMLC_USE_S3
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#define DMLC_USE_S3 0
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#endif
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/*! \brief whether or not use parameter server */
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#ifndef DMLC_USE_PS
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#define DMLC_USE_PS 0
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#endif
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/*! \brief whether or not use c++11 support */
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#ifndef DMLC_USE_CXX11
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#if defined(__GXX_EXPERIMENTAL_CXX0X__) || defined(_MSC_VER)
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#define DMLC_USE_CXX11 1
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#else
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#define DMLC_USE_CXX11 (__cplusplus >= 201103L)
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#endif
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#endif
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/*! \brief strict CXX11 support */
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#ifndef DMLC_STRICT_CXX11
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#if defined(_MSC_VER)
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#define DMLC_STRICT_CXX11 1
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#else
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#define DMLC_STRICT_CXX11 (__cplusplus >= 201103L)
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#endif
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#endif
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/*! \brief Whether cxx11 thread local is supported */
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#ifndef DMLC_CXX11_THREAD_LOCAL
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#if defined(_MSC_VER)
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#if (_MSC_VER >= 1900)
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#define DMLC_CXX11_THREAD_LOCAL 1
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#else
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#define DMLC_CXX11_THREAD_LOCAL 0
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#endif
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#else
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#define DMLC_CXX11_THREAD_LOCAL (__cplusplus >= 201103L)
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#endif
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#endif
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/*! \brief whether RTTI is enabled */
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#ifndef DMLC_ENABLE_RTTI
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#define DMLC_ENABLE_RTTI 1
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#endif
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/// check if g++ is before 4.6
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#if DMLC_USE_CXX11 && defined(__GNUC__) && !defined(__clang_version__)
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#if __GNUC__ == 4 && __GNUC_MINOR__ < 6
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#pragma message("Will need g++-4.6 or higher to compile all" \
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"the features in dmlc-core, " \
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"compile without c++0x, some features may be disabled")
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#undef DMLC_USE_CXX11
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#define DMLC_USE_CXX11 0
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#endif
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#endif
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/*!
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* \brief Enable std::thread related modules,
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* Used to disable some module in mingw compile.
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*/
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#ifndef DMLC_ENABLE_STD_THREAD
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#define DMLC_ENABLE_STD_THREAD DMLC_USE_CXX11
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#endif
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/*! \brief whether enable regex support, actually need g++-4.9 or higher*/
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#ifndef DMLC_USE_REGEX
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#define DMLC_USE_REGEX DMLC_STRICT_CXX11
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#endif
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/*! \brief helper macro to supress unused warning */
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#if defined(__GNUC__)
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#define DMLC_ATTRIBUTE_UNUSED __attribute__((unused))
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#else
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#define DMLC_ATTRIBUTE_UNUSED
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#endif
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/*! \brief helper macro to generate string concat */
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#define DMLC_STR_CONCAT_(__x, __y) __x##__y
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#define DMLC_STR_CONCAT(__x, __y) DMLC_STR_CONCAT_(__x, __y)
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/*!
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* \brief Disable copy constructor and assignment operator.
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*
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* If C++11 is supported, both copy and move constructors and
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* assignment operators are deleted explicitly. Otherwise, they are
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* only declared but not implemented. Place this macro in private
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* section if C++11 is not available.
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*/
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#ifndef DISALLOW_COPY_AND_ASSIGN
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# if DMLC_USE_CXX11
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# define DISALLOW_COPY_AND_ASSIGN(T) \
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T(T const&) = delete; \
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T(T&&) = delete; \
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T& operator=(T const&) = delete; \
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T& operator=(T&&) = delete
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# else
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# define DISALLOW_COPY_AND_ASSIGN(T) \
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T(T const&); \
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T& operator=(T const&)
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# endif
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#endif
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///
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/// code block to handle optionally loading
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///
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#if !defined(__GNUC__)
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#define fopen64 std::fopen
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#endif
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#if (defined __MINGW32__) && !(defined __MINGW64__)
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#define fopen64 std::fopen
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#endif
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#ifdef _MSC_VER
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#if _MSC_VER < 1900
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// NOTE: sprintf_s is not equivalent to snprintf,
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// they are equivalent when success, which is sufficient for our case
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#define snprintf sprintf_s
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#define vsnprintf vsprintf_s
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#endif
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#else
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#ifdef _FILE_OFFSET_BITS
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#if _FILE_OFFSET_BITS == 32
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#pragma message("Warning: FILE OFFSET BITS defined to be 32 bit")
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#endif
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#endif
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#ifdef __APPLE__
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#define off64_t off_t
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#define fopen64 std::fopen
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#endif
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extern "C" {
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#include <sys/types.h>
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}
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#endif
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#ifdef _MSC_VER
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//! \cond Doxygen_Suppress
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typedef signed char int8_t;
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typedef __int16 int16_t;
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typedef __int32 int32_t;
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typedef __int64 int64_t;
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typedef unsigned char uint8_t;
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typedef unsigned __int16 uint16_t;
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typedef unsigned __int32 uint32_t;
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typedef unsigned __int64 uint64_t;
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//! \endcond
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#else
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#include <inttypes.h>
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#endif
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#include <string>
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#include <vector>
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#if defined(_MSC_VER) && _MSC_VER < 1900
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#define noexcept_true throw ()
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#define noexcept_false
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#define noexcept(a) noexcept_##a
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#endif
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#if DMLC_USE_CXX11
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#define DMLC_THROW_EXCEPTION noexcept(false)
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#define DMLC_NO_EXCEPTION noexcept(true)
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#else
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#define DMLC_THROW_EXCEPTION
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#define DMLC_NO_EXCEPTION
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#endif
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/*! \brief namespace for dmlc */
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namespace dmlc {
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/*!
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* \brief safely get the beginning address of a vector
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* \param vec input vector
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* \return beginning address of a vector
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*/
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template<typename T>
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inline T *BeginPtr(std::vector<T> &vec) { // NOLINT(*)
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if (vec.size() == 0) {
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return NULL;
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} else {
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return &vec[0];
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}
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}
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/*!
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* \brief get the beginning address of a const vector
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* \param vec input vector
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* \return beginning address of a vector
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*/
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template<typename T>
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inline const T *BeginPtr(const std::vector<T> &vec) {
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if (vec.size() == 0) {
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return NULL;
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} else {
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return &vec[0];
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}
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}
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/*!
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* \brief get the beginning address of a string
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* \param str input string
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* \return beginning address of a string
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*/
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inline char* BeginPtr(std::string &str) { // NOLINT(*)
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if (str.length() == 0) return NULL;
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return &str[0];
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}
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/*!
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* \brief get the beginning address of a const string
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* \param str input string
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* \return beginning address of a string
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*/
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inline const char* BeginPtr(const std::string &str) {
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if (str.length() == 0) return NULL;
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return &str[0];
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}
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} // namespace dmlc
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#if defined(_MSC_VER) && _MSC_VER < 1900
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#define constexpr const
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#define alignof __alignof
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#endif
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#endif // DMLC_BASE_H_
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