657 lines
25 KiB
C++
657 lines
25 KiB
C++
// Tencent is pleased to support the open source community by making RapidJSON available.
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//
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// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
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//
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// Licensed under the MIT License (the "License"); you may not use this file except
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// in compliance with the License. You may obtain a copy of the License at
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//
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// http://opensource.org/licenses/MIT
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//
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// Unless required by applicable law or agreed to in writing, software distributed
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// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations under the License.
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#ifndef CEREAL_RAPIDJSON_CEREAL_RAPIDJSON_H_
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#define CEREAL_RAPIDJSON_CEREAL_RAPIDJSON_H_
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/*!\file rapidjson.h
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\brief common definitions and configuration
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\see CEREAL_RAPIDJSON_CONFIG
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*/
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/*! \defgroup CEREAL_RAPIDJSON_CONFIG RapidJSON configuration
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\brief Configuration macros for library features
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Some RapidJSON features are configurable to adapt the library to a wide
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variety of platforms, environments and usage scenarios. Most of the
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features can be configured in terms of overridden or predefined
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preprocessor macros at compile-time.
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Some additional customization is available in the \ref CEREAL_RAPIDJSON_ERRORS APIs.
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\note These macros should be given on the compiler command-line
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(where applicable) to avoid inconsistent values when compiling
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different translation units of a single application.
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*/
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#include <cstdlib> // malloc(), realloc(), free(), size_t
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#include <cstring> // memset(), memcpy(), memmove(), memcmp()
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///////////////////////////////////////////////////////////////////////////////
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// CEREAL_RAPIDJSON_VERSION_STRING
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//
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// ALWAYS synchronize the following 3 macros with corresponding variables in /CMakeLists.txt.
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//
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//!@cond CEREAL_RAPIDJSON_HIDDEN_FROM_DOXYGEN
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// token stringification
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#define CEREAL_RAPIDJSON_STRINGIFY(x) CEREAL_RAPIDJSON_DO_STRINGIFY(x)
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#define CEREAL_RAPIDJSON_DO_STRINGIFY(x) #x
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// token concatenation
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#define CEREAL_RAPIDJSON_JOIN(X, Y) CEREAL_RAPIDJSON_DO_JOIN(X, Y)
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#define CEREAL_RAPIDJSON_DO_JOIN(X, Y) CEREAL_RAPIDJSON_DO_JOIN2(X, Y)
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#define CEREAL_RAPIDJSON_DO_JOIN2(X, Y) X##Y
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//!@endcond
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/*! \def CEREAL_RAPIDJSON_MAJOR_VERSION
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\ingroup CEREAL_RAPIDJSON_CONFIG
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\brief Major version of RapidJSON in integer.
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*/
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/*! \def CEREAL_RAPIDJSON_MINOR_VERSION
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\ingroup CEREAL_RAPIDJSON_CONFIG
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\brief Minor version of RapidJSON in integer.
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*/
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/*! \def CEREAL_RAPIDJSON_PATCH_VERSION
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\ingroup CEREAL_RAPIDJSON_CONFIG
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\brief Patch version of RapidJSON in integer.
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*/
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/*! \def CEREAL_RAPIDJSON_VERSION_STRING
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\ingroup CEREAL_RAPIDJSON_CONFIG
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\brief Version of RapidJSON in "<major>.<minor>.<patch>" string format.
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*/
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#define CEREAL_RAPIDJSON_MAJOR_VERSION 1
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#define CEREAL_RAPIDJSON_MINOR_VERSION 1
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#define CEREAL_RAPIDJSON_PATCH_VERSION 0
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#define CEREAL_RAPIDJSON_VERSION_STRING \
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CEREAL_RAPIDJSON_STRINGIFY(CEREAL_RAPIDJSON_MAJOR_VERSION.CEREAL_RAPIDJSON_MINOR_VERSION.CEREAL_RAPIDJSON_PATCH_VERSION)
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///////////////////////////////////////////////////////////////////////////////
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// CEREAL_RAPIDJSON_NAMESPACE_(BEGIN|END)
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/*! \def CEREAL_RAPIDJSON_NAMESPACE
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\ingroup CEREAL_RAPIDJSON_CONFIG
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\brief provide custom rapidjson namespace
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In order to avoid symbol clashes and/or "One Definition Rule" errors
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between multiple inclusions of (different versions of) RapidJSON in
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a single binary, users can customize the name of the main RapidJSON
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namespace.
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In case of a single nesting level, defining \c CEREAL_RAPIDJSON_NAMESPACE
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to a custom name (e.g. \c MyRapidJSON) is sufficient. If multiple
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levels are needed, both \ref CEREAL_RAPIDJSON_NAMESPACE_BEGIN and \ref
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CEREAL_RAPIDJSON_NAMESPACE_END need to be defined as well:
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\code
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// in some .cpp file
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#define CEREAL_RAPIDJSON_NAMESPACE my::rapidjson
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#define CEREAL_RAPIDJSON_NAMESPACE_BEGIN namespace my { namespace rapidjson {
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#define CEREAL_RAPIDJSON_NAMESPACE_END } }
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#include "rapidjson/..."
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\endcode
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\see rapidjson
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*/
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/*! \def CEREAL_RAPIDJSON_NAMESPACE_BEGIN
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\ingroup CEREAL_RAPIDJSON_CONFIG
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\brief provide custom rapidjson namespace (opening expression)
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\see CEREAL_RAPIDJSON_NAMESPACE
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*/
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/*! \def CEREAL_RAPIDJSON_NAMESPACE_END
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\ingroup CEREAL_RAPIDJSON_CONFIG
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\brief provide custom rapidjson namespace (closing expression)
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\see CEREAL_RAPIDJSON_NAMESPACE
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*/
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#ifndef CEREAL_RAPIDJSON_NAMESPACE
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#define CEREAL_RAPIDJSON_NAMESPACE rapidjson
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#endif
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#ifndef CEREAL_RAPIDJSON_NAMESPACE_BEGIN
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#define CEREAL_RAPIDJSON_NAMESPACE_BEGIN namespace CEREAL_RAPIDJSON_NAMESPACE {
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#endif
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#ifndef CEREAL_RAPIDJSON_NAMESPACE_END
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#define CEREAL_RAPIDJSON_NAMESPACE_END }
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#endif
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///////////////////////////////////////////////////////////////////////////////
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// CEREAL_RAPIDJSON_HAS_STDSTRING
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#ifndef CEREAL_RAPIDJSON_HAS_STDSTRING
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#ifdef CEREAL_RAPIDJSON_DOXYGEN_RUNNING
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#define CEREAL_RAPIDJSON_HAS_STDSTRING 1 // force generation of documentation
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#else
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#define CEREAL_RAPIDJSON_HAS_STDSTRING 0 // no std::string support by default
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#endif
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/*! \def CEREAL_RAPIDJSON_HAS_STDSTRING
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\ingroup CEREAL_RAPIDJSON_CONFIG
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\brief Enable RapidJSON support for \c std::string
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By defining this preprocessor symbol to \c 1, several convenience functions for using
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\ref rapidjson::GenericValue with \c std::string are enabled, especially
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for construction and comparison.
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\hideinitializer
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*/
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#endif // !defined(CEREAL_RAPIDJSON_HAS_STDSTRING)
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#if CEREAL_RAPIDJSON_HAS_STDSTRING
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#include <string>
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#endif // CEREAL_RAPIDJSON_HAS_STDSTRING
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///////////////////////////////////////////////////////////////////////////////
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// CEREAL_RAPIDJSON_NO_INT64DEFINE
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/*! \def CEREAL_RAPIDJSON_NO_INT64DEFINE
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\ingroup CEREAL_RAPIDJSON_CONFIG
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\brief Use external 64-bit integer types.
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RapidJSON requires the 64-bit integer types \c int64_t and \c uint64_t types
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to be available at global scope.
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If users have their own definition, define CEREAL_RAPIDJSON_NO_INT64DEFINE to
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prevent RapidJSON from defining its own types.
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*/
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#ifndef CEREAL_RAPIDJSON_NO_INT64DEFINE
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//!@cond CEREAL_RAPIDJSON_HIDDEN_FROM_DOXYGEN
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#if defined(_MSC_VER) && (_MSC_VER < 1800) // Visual Studio 2013
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#include "msinttypes/stdint.h"
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#include "msinttypes/inttypes.h"
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#else
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// Other compilers should have this.
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#include <stdint.h>
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#include <inttypes.h>
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#endif
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//!@endcond
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#ifdef CEREAL_RAPIDJSON_DOXYGEN_RUNNING
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#define CEREAL_RAPIDJSON_NO_INT64DEFINE
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#endif
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#endif // CEREAL_RAPIDJSON_NO_INT64TYPEDEF
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///////////////////////////////////////////////////////////////////////////////
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// CEREAL_RAPIDJSON_FORCEINLINE
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#ifndef CEREAL_RAPIDJSON_FORCEINLINE
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//!@cond CEREAL_RAPIDJSON_HIDDEN_FROM_DOXYGEN
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#if defined(_MSC_VER) && defined(NDEBUG)
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#define CEREAL_RAPIDJSON_FORCEINLINE __forceinline
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#elif defined(__GNUC__) && __GNUC__ >= 4 && defined(NDEBUG)
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#define CEREAL_RAPIDJSON_FORCEINLINE __attribute__((always_inline))
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#else
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#define CEREAL_RAPIDJSON_FORCEINLINE
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#endif
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//!@endcond
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#endif // CEREAL_RAPIDJSON_FORCEINLINE
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///////////////////////////////////////////////////////////////////////////////
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// CEREAL_RAPIDJSON_ENDIAN
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#define CEREAL_RAPIDJSON_LITTLEENDIAN 0 //!< Little endian machine
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#define CEREAL_RAPIDJSON_BIGENDIAN 1 //!< Big endian machine
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//! Endianness of the machine.
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/*!
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\def CEREAL_RAPIDJSON_ENDIAN
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\ingroup CEREAL_RAPIDJSON_CONFIG
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GCC 4.6 provided macro for detecting endianness of the target machine. But other
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compilers may not have this. User can define CEREAL_RAPIDJSON_ENDIAN to either
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\ref CEREAL_RAPIDJSON_LITTLEENDIAN or \ref CEREAL_RAPIDJSON_BIGENDIAN.
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Default detection implemented with reference to
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\li https://gcc.gnu.org/onlinedocs/gcc-4.6.0/cpp/Common-Predefined-Macros.html
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\li http://www.boost.org/doc/libs/1_42_0/boost/detail/endian.hpp
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*/
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#ifndef CEREAL_RAPIDJSON_ENDIAN
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// Detect with GCC 4.6's macro
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# ifdef __BYTE_ORDER__
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# if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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# define CEREAL_RAPIDJSON_ENDIAN CEREAL_RAPIDJSON_LITTLEENDIAN
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# elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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# define CEREAL_RAPIDJSON_ENDIAN CEREAL_RAPIDJSON_BIGENDIAN
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# else
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# error Unknown machine endianness detected. User needs to define CEREAL_RAPIDJSON_ENDIAN.
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# endif // __BYTE_ORDER__
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// Detect with GLIBC's endian.h
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# elif defined(__GLIBC__)
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# include <endian.h>
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# if (__BYTE_ORDER == __LITTLE_ENDIAN)
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# define CEREAL_RAPIDJSON_ENDIAN CEREAL_RAPIDJSON_LITTLEENDIAN
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# elif (__BYTE_ORDER == __BIG_ENDIAN)
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# define CEREAL_RAPIDJSON_ENDIAN CEREAL_RAPIDJSON_BIGENDIAN
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# else
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# error Unknown machine endianness detected. User needs to define CEREAL_RAPIDJSON_ENDIAN.
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# endif // __GLIBC__
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// Detect with _LITTLE_ENDIAN and _BIG_ENDIAN macro
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# elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
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# define CEREAL_RAPIDJSON_ENDIAN CEREAL_RAPIDJSON_LITTLEENDIAN
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# elif defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN)
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# define CEREAL_RAPIDJSON_ENDIAN CEREAL_RAPIDJSON_BIGENDIAN
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// Detect with architecture macros
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# elif defined(__sparc) || defined(__sparc__) || defined(_POWER) || defined(__powerpc__) || defined(__ppc__) || defined(__hpux) || defined(__hppa) || defined(_MIPSEB) || defined(_POWER) || defined(__s390__)
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# define CEREAL_RAPIDJSON_ENDIAN CEREAL_RAPIDJSON_BIGENDIAN
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# elif defined(__i386__) || defined(__alpha__) || defined(__ia64) || defined(__ia64__) || defined(_M_IX86) || defined(_M_IA64) || defined(_M_ALPHA) || defined(__amd64) || defined(__amd64__) || defined(_M_AMD64) || defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || defined(__bfin__)
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# define CEREAL_RAPIDJSON_ENDIAN CEREAL_RAPIDJSON_LITTLEENDIAN
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# elif defined(_MSC_VER) && (defined(_M_ARM) || defined(_M_ARM64))
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# define CEREAL_RAPIDJSON_ENDIAN CEREAL_RAPIDJSON_LITTLEENDIAN
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# elif defined(CEREAL_RAPIDJSON_DOXYGEN_RUNNING)
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# define CEREAL_RAPIDJSON_ENDIAN
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# else
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# error Unknown machine endianness detected. User needs to define CEREAL_RAPIDJSON_ENDIAN.
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# endif
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#endif // CEREAL_RAPIDJSON_ENDIAN
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///////////////////////////////////////////////////////////////////////////////
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// CEREAL_RAPIDJSON_64BIT
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//! Whether using 64-bit architecture
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#ifndef CEREAL_RAPIDJSON_64BIT
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#if defined(__LP64__) || (defined(__x86_64__) && defined(__ILP32__)) || defined(_WIN64) || defined(__EMSCRIPTEN__)
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#define CEREAL_RAPIDJSON_64BIT 1
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#else
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#define CEREAL_RAPIDJSON_64BIT 0
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#endif
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#endif // CEREAL_RAPIDJSON_64BIT
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///////////////////////////////////////////////////////////////////////////////
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// CEREAL_RAPIDJSON_ALIGN
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//! Data alignment of the machine.
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/*! \ingroup CEREAL_RAPIDJSON_CONFIG
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\param x pointer to align
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Some machines require strict data alignment. The default is 8 bytes.
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User can customize by defining the CEREAL_RAPIDJSON_ALIGN function macro.
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*/
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#ifndef CEREAL_RAPIDJSON_ALIGN
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#define CEREAL_RAPIDJSON_ALIGN(x) (((x) + static_cast<size_t>(7u)) & ~static_cast<size_t>(7u))
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#endif
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///////////////////////////////////////////////////////////////////////////////
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// CEREAL_RAPIDJSON_UINT64_C2
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//! Construct a 64-bit literal by a pair of 32-bit integer.
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/*!
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64-bit literal with or without ULL suffix is prone to compiler warnings.
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UINT64_C() is C macro which cause compilation problems.
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Use this macro to define 64-bit constants by a pair of 32-bit integer.
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*/
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#ifndef CEREAL_RAPIDJSON_UINT64_C2
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#define CEREAL_RAPIDJSON_UINT64_C2(high32, low32) ((static_cast<uint64_t>(high32) << 32) | static_cast<uint64_t>(low32))
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#endif
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///////////////////////////////////////////////////////////////////////////////
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// CEREAL_RAPIDJSON_48BITPOINTER_OPTIMIZATION
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//! Use only lower 48-bit address for some pointers.
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/*!
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\ingroup CEREAL_RAPIDJSON_CONFIG
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This optimization uses the fact that current X86-64 architecture only implement lower 48-bit virtual address.
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The higher 16-bit can be used for storing other data.
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\c GenericValue uses this optimization to reduce its size form 24 bytes to 16 bytes in 64-bit architecture.
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*/
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#ifndef CEREAL_RAPIDJSON_48BITPOINTER_OPTIMIZATION
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#if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)
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#define CEREAL_RAPIDJSON_48BITPOINTER_OPTIMIZATION 1
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#else
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#define CEREAL_RAPIDJSON_48BITPOINTER_OPTIMIZATION 0
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#endif
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#endif // CEREAL_RAPIDJSON_48BITPOINTER_OPTIMIZATION
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#if CEREAL_RAPIDJSON_48BITPOINTER_OPTIMIZATION == 1
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#if CEREAL_RAPIDJSON_64BIT != 1
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#error CEREAL_RAPIDJSON_48BITPOINTER_OPTIMIZATION can only be set to 1 when CEREAL_RAPIDJSON_64BIT=1
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#endif
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#define CEREAL_RAPIDJSON_SETPOINTER(type, p, x) (p = reinterpret_cast<type *>((reinterpret_cast<uintptr_t>(p) & static_cast<uintptr_t>(CEREAL_RAPIDJSON_UINT64_C2(0xFFFF0000, 0x00000000))) | reinterpret_cast<uintptr_t>(reinterpret_cast<const void*>(x))))
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#define CEREAL_RAPIDJSON_GETPOINTER(type, p) (reinterpret_cast<type *>(reinterpret_cast<uintptr_t>(p) & static_cast<uintptr_t>(CEREAL_RAPIDJSON_UINT64_C2(0x0000FFFF, 0xFFFFFFFF))))
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#else
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#define CEREAL_RAPIDJSON_SETPOINTER(type, p, x) (p = (x))
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#define CEREAL_RAPIDJSON_GETPOINTER(type, p) (p)
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#endif
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///////////////////////////////////////////////////////////////////////////////
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// CEREAL_RAPIDJSON_SSE2/CEREAL_RAPIDJSON_SSE42/CEREAL_RAPIDJSON_NEON/CEREAL_RAPIDJSON_SIMD
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/*! \def CEREAL_RAPIDJSON_SIMD
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\ingroup CEREAL_RAPIDJSON_CONFIG
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\brief Enable SSE2/SSE4.2/Neon optimization.
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RapidJSON supports optimized implementations for some parsing operations
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based on the SSE2, SSE4.2 or NEon SIMD extensions on modern Intel
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or ARM compatible processors.
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To enable these optimizations, three different symbols can be defined;
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\code
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// Enable SSE2 optimization.
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#define CEREAL_RAPIDJSON_SSE2
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// Enable SSE4.2 optimization.
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#define CEREAL_RAPIDJSON_SSE42
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\endcode
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// Enable ARM Neon optimization.
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#define CEREAL_RAPIDJSON_NEON
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\endcode
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\c CEREAL_RAPIDJSON_SSE42 takes precedence over SSE2, if both are defined.
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If any of these symbols is defined, RapidJSON defines the macro
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\c CEREAL_RAPIDJSON_SIMD to indicate the availability of the optimized code.
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*/
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#if defined(CEREAL_RAPIDJSON_SSE2) || defined(CEREAL_RAPIDJSON_SSE42) \
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|| defined(CEREAL_RAPIDJSON_NEON) || defined(CEREAL_RAPIDJSON_DOXYGEN_RUNNING)
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#define CEREAL_RAPIDJSON_SIMD
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#endif
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///////////////////////////////////////////////////////////////////////////////
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// CEREAL_RAPIDJSON_NO_SIZETYPEDEFINE
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#ifndef CEREAL_RAPIDJSON_NO_SIZETYPEDEFINE
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/*! \def CEREAL_RAPIDJSON_NO_SIZETYPEDEFINE
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\ingroup CEREAL_RAPIDJSON_CONFIG
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\brief User-provided \c SizeType definition.
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In order to avoid using 32-bit size types for indexing strings and arrays,
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define this preprocessor symbol and provide the type rapidjson::SizeType
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before including RapidJSON:
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\code
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#define CEREAL_RAPIDJSON_NO_SIZETYPEDEFINE
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namespace rapidjson { typedef ::std::size_t SizeType; }
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#include "rapidjson/..."
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\endcode
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\see rapidjson::SizeType
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*/
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#ifdef CEREAL_RAPIDJSON_DOXYGEN_RUNNING
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#define CEREAL_RAPIDJSON_NO_SIZETYPEDEFINE
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#endif
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CEREAL_RAPIDJSON_NAMESPACE_BEGIN
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//! Size type (for string lengths, array sizes, etc.)
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/*! RapidJSON uses 32-bit array/string indices even on 64-bit platforms,
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instead of using \c size_t. Users may override the SizeType by defining
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\ref CEREAL_RAPIDJSON_NO_SIZETYPEDEFINE.
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*/
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typedef unsigned SizeType;
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CEREAL_RAPIDJSON_NAMESPACE_END
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#endif
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// always import std::size_t to rapidjson namespace
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CEREAL_RAPIDJSON_NAMESPACE_BEGIN
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using std::size_t;
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CEREAL_RAPIDJSON_NAMESPACE_END
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///////////////////////////////////////////////////////////////////////////////
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// CEREAL_RAPIDJSON_ASSERT
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//! Assertion.
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/*! \ingroup CEREAL_RAPIDJSON_CONFIG
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By default, rapidjson uses C \c assert() for internal assertions.
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User can override it by defining CEREAL_RAPIDJSON_ASSERT(x) macro.
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\note Parsing errors are handled and can be customized by the
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\ref CEREAL_RAPIDJSON_ERRORS APIs.
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*/
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#ifndef CEREAL_RAPIDJSON_ASSERT
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#include <cassert>
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#define CEREAL_RAPIDJSON_ASSERT(x) assert(x)
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#endif // CEREAL_RAPIDJSON_ASSERT
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///////////////////////////////////////////////////////////////////////////////
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// CEREAL_RAPIDJSON_STATIC_ASSERT
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// Prefer C++11 static_assert, if available
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#ifndef CEREAL_RAPIDJSON_STATIC_ASSERT
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#if __cplusplus >= 201103L || ( defined(_MSC_VER) && _MSC_VER >= 1800 )
|
|
#define CEREAL_RAPIDJSON_STATIC_ASSERT(x) \
|
|
static_assert(x, CEREAL_RAPIDJSON_STRINGIFY(x))
|
|
#endif // C++11
|
|
#endif // CEREAL_RAPIDJSON_STATIC_ASSERT
|
|
|
|
// Adopt C++03 implementation from boost
|
|
#ifndef CEREAL_RAPIDJSON_STATIC_ASSERT
|
|
#ifndef __clang__
|
|
//!@cond CEREAL_RAPIDJSON_HIDDEN_FROM_DOXYGEN
|
|
#endif
|
|
CEREAL_RAPIDJSON_NAMESPACE_BEGIN
|
|
template <bool x> struct STATIC_ASSERTION_FAILURE;
|
|
template <> struct STATIC_ASSERTION_FAILURE<true> { enum { value = 1 }; };
|
|
template <size_t x> struct StaticAssertTest {};
|
|
CEREAL_RAPIDJSON_NAMESPACE_END
|
|
|
|
#if defined(__GNUC__) || defined(__clang__)
|
|
#define CEREAL_RAPIDJSON_STATIC_ASSERT_UNUSED_ATTRIBUTE __attribute__((unused))
|
|
#else
|
|
#define CEREAL_RAPIDJSON_STATIC_ASSERT_UNUSED_ATTRIBUTE
|
|
#endif
|
|
#ifndef __clang__
|
|
//!@endcond
|
|
#endif
|
|
|
|
/*! \def CEREAL_RAPIDJSON_STATIC_ASSERT
|
|
\brief (Internal) macro to check for conditions at compile-time
|
|
\param x compile-time condition
|
|
\hideinitializer
|
|
*/
|
|
#define CEREAL_RAPIDJSON_STATIC_ASSERT(x) \
|
|
typedef ::CEREAL_RAPIDJSON_NAMESPACE::StaticAssertTest< \
|
|
sizeof(::CEREAL_RAPIDJSON_NAMESPACE::STATIC_ASSERTION_FAILURE<bool(x) >)> \
|
|
CEREAL_RAPIDJSON_JOIN(StaticAssertTypedef, __LINE__) CEREAL_RAPIDJSON_STATIC_ASSERT_UNUSED_ATTRIBUTE
|
|
#endif // CEREAL_RAPIDJSON_STATIC_ASSERT
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// CEREAL_RAPIDJSON_LIKELY, CEREAL_RAPIDJSON_UNLIKELY
|
|
|
|
//! Compiler branching hint for expression with high probability to be true.
|
|
/*!
|
|
\ingroup CEREAL_RAPIDJSON_CONFIG
|
|
\param x Boolean expression likely to be true.
|
|
*/
|
|
#ifndef CEREAL_RAPIDJSON_LIKELY
|
|
#if defined(__GNUC__) || defined(__clang__)
|
|
#define CEREAL_RAPIDJSON_LIKELY(x) __builtin_expect(!!(x), 1)
|
|
#else
|
|
#define CEREAL_RAPIDJSON_LIKELY(x) (x)
|
|
#endif
|
|
#endif
|
|
|
|
//! Compiler branching hint for expression with low probability to be true.
|
|
/*!
|
|
\ingroup CEREAL_RAPIDJSON_CONFIG
|
|
\param x Boolean expression unlikely to be true.
|
|
*/
|
|
#ifndef CEREAL_RAPIDJSON_UNLIKELY
|
|
#if defined(__GNUC__) || defined(__clang__)
|
|
#define CEREAL_RAPIDJSON_UNLIKELY(x) __builtin_expect(!!(x), 0)
|
|
#else
|
|
#define CEREAL_RAPIDJSON_UNLIKELY(x) (x)
|
|
#endif
|
|
#endif
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// Helpers
|
|
|
|
//!@cond CEREAL_RAPIDJSON_HIDDEN_FROM_DOXYGEN
|
|
|
|
#define CEREAL_RAPIDJSON_MULTILINEMACRO_BEGIN do {
|
|
#define CEREAL_RAPIDJSON_MULTILINEMACRO_END \
|
|
} while((void)0, 0)
|
|
|
|
// adopted from Boost
|
|
#define CEREAL_RAPIDJSON_VERSION_CODE(x,y,z) \
|
|
(((x)*100000) + ((y)*100) + (z))
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// CEREAL_RAPIDJSON_DIAG_PUSH/POP, CEREAL_RAPIDJSON_DIAG_OFF
|
|
|
|
#if defined(__GNUC__)
|
|
#define CEREAL_RAPIDJSON_GNUC \
|
|
CEREAL_RAPIDJSON_VERSION_CODE(__GNUC__,__GNUC_MINOR__,__GNUC_PATCHLEVEL__)
|
|
#endif
|
|
|
|
#if defined(__clang__) || (defined(CEREAL_RAPIDJSON_GNUC) && CEREAL_RAPIDJSON_GNUC >= CEREAL_RAPIDJSON_VERSION_CODE(4,2,0))
|
|
|
|
#define CEREAL_RAPIDJSON_PRAGMA(x) _Pragma(CEREAL_RAPIDJSON_STRINGIFY(x))
|
|
#define CEREAL_RAPIDJSON_DIAG_PRAGMA(x) CEREAL_RAPIDJSON_PRAGMA(GCC diagnostic x)
|
|
#define CEREAL_RAPIDJSON_DIAG_OFF(x) \
|
|
CEREAL_RAPIDJSON_DIAG_PRAGMA(ignored CEREAL_RAPIDJSON_STRINGIFY(CEREAL_RAPIDJSON_JOIN(-W,x)))
|
|
|
|
// push/pop support in Clang and GCC>=4.6
|
|
#if defined(__clang__) || (defined(CEREAL_RAPIDJSON_GNUC) && CEREAL_RAPIDJSON_GNUC >= CEREAL_RAPIDJSON_VERSION_CODE(4,6,0))
|
|
#define CEREAL_RAPIDJSON_DIAG_PUSH CEREAL_RAPIDJSON_DIAG_PRAGMA(push)
|
|
#define CEREAL_RAPIDJSON_DIAG_POP CEREAL_RAPIDJSON_DIAG_PRAGMA(pop)
|
|
#else // GCC >= 4.2, < 4.6
|
|
#define CEREAL_RAPIDJSON_DIAG_PUSH /* ignored */
|
|
#define CEREAL_RAPIDJSON_DIAG_POP /* ignored */
|
|
#endif
|
|
|
|
#elif defined(_MSC_VER)
|
|
|
|
// pragma (MSVC specific)
|
|
#define CEREAL_RAPIDJSON_PRAGMA(x) __pragma(x)
|
|
#define CEREAL_RAPIDJSON_DIAG_PRAGMA(x) CEREAL_RAPIDJSON_PRAGMA(warning(x))
|
|
|
|
#define CEREAL_RAPIDJSON_DIAG_OFF(x) CEREAL_RAPIDJSON_DIAG_PRAGMA(disable: x)
|
|
#define CEREAL_RAPIDJSON_DIAG_PUSH CEREAL_RAPIDJSON_DIAG_PRAGMA(push)
|
|
#define CEREAL_RAPIDJSON_DIAG_POP CEREAL_RAPIDJSON_DIAG_PRAGMA(pop)
|
|
|
|
#else
|
|
|
|
#define CEREAL_RAPIDJSON_DIAG_OFF(x) /* ignored */
|
|
#define CEREAL_RAPIDJSON_DIAG_PUSH /* ignored */
|
|
#define CEREAL_RAPIDJSON_DIAG_POP /* ignored */
|
|
|
|
#endif // CEREAL_RAPIDJSON_DIAG_*
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// C++11 features
|
|
|
|
#ifndef CEREAL_RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
|
#if defined(__clang__)
|
|
#if __has_feature(cxx_rvalue_references) && \
|
|
(defined(_MSC_VER) || defined(_LIBCPP_VERSION) || defined(__GLIBCXX__) && __GLIBCXX__ >= 20080306)
|
|
#define CEREAL_RAPIDJSON_HAS_CXX11_RVALUE_REFS 1
|
|
#else
|
|
#define CEREAL_RAPIDJSON_HAS_CXX11_RVALUE_REFS 0
|
|
#endif
|
|
#elif (defined(CEREAL_RAPIDJSON_GNUC) && (CEREAL_RAPIDJSON_GNUC >= CEREAL_RAPIDJSON_VERSION_CODE(4,3,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
|
|
(defined(_MSC_VER) && _MSC_VER >= 1600) || \
|
|
(defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x5140 && defined(__GXX_EXPERIMENTAL_CXX0X__))
|
|
|
|
#define CEREAL_RAPIDJSON_HAS_CXX11_RVALUE_REFS 1
|
|
#else
|
|
#define CEREAL_RAPIDJSON_HAS_CXX11_RVALUE_REFS 0
|
|
#endif
|
|
#endif // CEREAL_RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
|
|
|
#ifndef CEREAL_RAPIDJSON_HAS_CXX11_NOEXCEPT
|
|
#if defined(__clang__)
|
|
#define CEREAL_RAPIDJSON_HAS_CXX11_NOEXCEPT __has_feature(cxx_noexcept)
|
|
#elif (defined(CEREAL_RAPIDJSON_GNUC) && (CEREAL_RAPIDJSON_GNUC >= CEREAL_RAPIDJSON_VERSION_CODE(4,6,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
|
|
(defined(_MSC_VER) && _MSC_VER >= 1900) || \
|
|
(defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x5140 && defined(__GXX_EXPERIMENTAL_CXX0X__))
|
|
#define CEREAL_RAPIDJSON_HAS_CXX11_NOEXCEPT 1
|
|
#else
|
|
#define CEREAL_RAPIDJSON_HAS_CXX11_NOEXCEPT 0
|
|
#endif
|
|
#endif
|
|
#if CEREAL_RAPIDJSON_HAS_CXX11_NOEXCEPT
|
|
#define CEREAL_RAPIDJSON_NOEXCEPT noexcept
|
|
#else
|
|
#define CEREAL_RAPIDJSON_NOEXCEPT /* noexcept */
|
|
#endif // CEREAL_RAPIDJSON_HAS_CXX11_NOEXCEPT
|
|
|
|
// no automatic detection, yet
|
|
#ifndef CEREAL_RAPIDJSON_HAS_CXX11_TYPETRAITS
|
|
#if (defined(_MSC_VER) && _MSC_VER >= 1700)
|
|
#define CEREAL_RAPIDJSON_HAS_CXX11_TYPETRAITS 1
|
|
#else
|
|
#define CEREAL_RAPIDJSON_HAS_CXX11_TYPETRAITS 0
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef CEREAL_RAPIDJSON_HAS_CXX11_RANGE_FOR
|
|
#if defined(__clang__)
|
|
#define CEREAL_RAPIDJSON_HAS_CXX11_RANGE_FOR __has_feature(cxx_range_for)
|
|
#elif (defined(CEREAL_RAPIDJSON_GNUC) && (CEREAL_RAPIDJSON_GNUC >= CEREAL_RAPIDJSON_VERSION_CODE(4,6,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
|
|
(defined(_MSC_VER) && _MSC_VER >= 1700) || \
|
|
(defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x5140 && defined(__GXX_EXPERIMENTAL_CXX0X__))
|
|
#define CEREAL_RAPIDJSON_HAS_CXX11_RANGE_FOR 1
|
|
#else
|
|
#define CEREAL_RAPIDJSON_HAS_CXX11_RANGE_FOR 0
|
|
#endif
|
|
#endif // CEREAL_RAPIDJSON_HAS_CXX11_RANGE_FOR
|
|
|
|
//!@endcond
|
|
|
|
//! Assertion (in non-throwing contexts).
|
|
/*! \ingroup CEREAL_RAPIDJSON_CONFIG
|
|
Some functions provide a \c noexcept guarantee, if the compiler supports it.
|
|
In these cases, the \ref CEREAL_RAPIDJSON_ASSERT macro cannot be overridden to
|
|
throw an exception. This macro adds a separate customization point for
|
|
such cases.
|
|
|
|
Defaults to C \c assert() (as \ref CEREAL_RAPIDJSON_ASSERT), if \c noexcept is
|
|
supported, and to \ref CEREAL_RAPIDJSON_ASSERT otherwise.
|
|
*/
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// CEREAL_RAPIDJSON_NOEXCEPT_ASSERT
|
|
|
|
#ifndef CEREAL_RAPIDJSON_NOEXCEPT_ASSERT
|
|
#ifdef CEREAL_RAPIDJSON_ASSERT_THROWS
|
|
#if CEREAL_RAPIDJSON_HAS_CXX11_NOEXCEPT
|
|
#define CEREAL_RAPIDJSON_NOEXCEPT_ASSERT(x)
|
|
#else
|
|
#define CEREAL_RAPIDJSON_NOEXCEPT_ASSERT(x) CEREAL_RAPIDJSON_ASSERT(x)
|
|
#endif // CEREAL_RAPIDJSON_HAS_CXX11_NOEXCEPT
|
|
#else
|
|
#define CEREAL_RAPIDJSON_NOEXCEPT_ASSERT(x) CEREAL_RAPIDJSON_ASSERT(x)
|
|
#endif // CEREAL_RAPIDJSON_ASSERT_THROWS
|
|
#endif // CEREAL_RAPIDJSON_NOEXCEPT_ASSERT
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// new/delete
|
|
|
|
#ifndef CEREAL_RAPIDJSON_NEW
|
|
///! customization point for global \c new
|
|
#define CEREAL_RAPIDJSON_NEW(TypeName) new TypeName
|
|
#endif
|
|
#ifndef CEREAL_RAPIDJSON_DELETE
|
|
///! customization point for global \c delete
|
|
#define CEREAL_RAPIDJSON_DELETE(x) delete x
|
|
#endif
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// Type
|
|
|
|
/*! \namespace rapidjson
|
|
\brief main RapidJSON namespace
|
|
\see CEREAL_RAPIDJSON_NAMESPACE
|
|
*/
|
|
CEREAL_RAPIDJSON_NAMESPACE_BEGIN
|
|
|
|
//! Type of JSON value
|
|
enum Type {
|
|
kNullType = 0, //!< null
|
|
kFalseType = 1, //!< false
|
|
kTrueType = 2, //!< true
|
|
kObjectType = 3, //!< object
|
|
kArrayType = 4, //!< array
|
|
kStringType = 5, //!< string
|
|
kNumberType = 6 //!< number
|
|
};
|
|
|
|
CEREAL_RAPIDJSON_NAMESPACE_END
|
|
|
|
#endif // CEREAL_RAPIDJSON_CEREAL_RAPIDJSON_H_
|