522 lines
18 KiB
C
522 lines
18 KiB
C
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///\file
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/******************************************************************************
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The MIT License(MIT)
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Embedded Template Library.
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https://github.com/ETLCPP/etl
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https://www.etlcpp.com
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Copyright(c) 2016 John Wellbelove
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files(the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions :
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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******************************************************************************/
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#ifndef ETL_PLATFORM_INCLUDED
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#define ETL_PLATFORM_INCLUDED
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//*************************************
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// Enable all limit macros
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// Note: This macro must be defined before the first include of stdint.h
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#if !defined(__STDC_LIMIT_MACROS)
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#define __STDC_LIMIT_MACROS
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#endif
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//*************************************
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// Enable all constant macros
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// Note: This macro must be defined before the first include of stdint.h
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#if !defined(__STDC_CONSTANT_MACROS)
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#define __STDC_CONSTANT_MACROS
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#endif
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#include <stddef.h>
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#include <stdint.h>
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#include <limits.h>
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#include "file_error_numbers.h"
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//*************************************
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// Include the user's profile definition.
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#if !defined(ETL_NO_PROFILE_HEADER) && defined(__has_include)
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#if !__has_include("etl_profile.h")
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#define ETL_NO_PROFILE_HEADER
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#endif
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#endif
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#if !defined(ETL_NO_PROFILE_HEADER)
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#include "etl_profile.h"
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#endif
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// Null statement
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#define ETL_DO_NOTHING static_cast<void>(0)
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// Determine the bit width of the platform.
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#define ETL_PLATFORM_16BIT (UINT16_MAX == UINTPTR_MAX)
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#define ETL_PLATFORM_32BIT (UINT32_MAX == UINTPTR_MAX)
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#define ETL_PLATFORM_64BIT (UINT64_MAX == UINTPTR_MAX)
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//*************************************
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// Define debug macros.
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#if (defined(_DEBUG) || defined(DEBUG)) && !defined(ETL_DEBUG)
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#define ETL_DEBUG
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#endif
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#if defined(ETL_DEBUG)
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#define ETL_IS_DEBUG_BUILD 1
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#else
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#define ETL_IS_DEBUG_BUILD 0
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#endif
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//*************************************
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// Helper macros, so we don't have to use double negatives.
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// The ETL will use the STL, unless ETL_NO_STL is defined.
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// With this macro we can use '#if ETL_USING_STL' instead of '#if !ETL_NO_STL' in the code.
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#if defined(ETL_NO_STL)
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#define ETL_USING_STL 0
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#define ETL_NOT_USING_STL 1
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#else
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#define ETL_USING_STL 1
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#define ETL_NOT_USING_STL 0
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#endif
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//*************************************
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// Helper macros for ETL_STLPORT.
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#if defined(ETL_STLPORT)
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#define ETL_USING_STLPORT 1
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#define ETL_NOT_USING_STLPORT 0
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#else
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#define ETL_USING_STLPORT 0
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#define ETL_NOT_USING_STLPORT 1
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#endif
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//*************************************
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// Some targets do not support 8bit types.
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#if (CHAR_BIT == 8)
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#define ETL_USING_8BIT_TYPES 1
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#define ETL_NOT_USING_8BIT_TYPES 0
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#else
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#define ETL_USING_8BIT_TYPES 0
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#define ETL_NOT_USING_8BIT_TYPES 1
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#endif
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#define ETL_8BIT_SUPPORT (CHAR_BIT == 8) // Deprecated
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//*************************************
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// Some targets support 20bit types.
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#if defined(ETL_USE_20BIT_TYPES)
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#define ETL_USING_20BIT_TYPES 1
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#define ETL_NOT_USING_20BIT_TYPES 0
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#else
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#define ETL_USING_20BIT_TYPES 0
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#define ETL_NOT_USING_20BIT_TYPES 1
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#endif
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//*************************************
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// Helper macro for ETL_NO_64BIT_TYPES.
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#if defined(ETL_NO_64BIT_TYPES)
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#define ETL_USING_64BIT_TYPES 0
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#define ETL_NOT_USING_64BIT_TYPES 1
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#else
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#define ETL_USING_64BIT_TYPES 1
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#define ETL_NOT_USING_64BIT_TYPES 0
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#endif
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//*************************************
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// Figure out things about the compiler, if haven't already done so in etl_profile.h
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#include "profiles/determine_compiler_version.h"
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#include "profiles/determine_compiler_language_support.h"
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//*************************************
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// See if we can determine the OS we're compiling on, if haven't already done so in etl_profile.h
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#include "profiles/determine_development_os.h"
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//*************************************
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// Helper macro for choosing the variant type.
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#if !ETL_USING_CPP11 || defined(ETL_USE_LEGACY_VARIANT)
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#define ETL_USING_LEGACY_VARIANT 1
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#define ETL_NOT_USING_LEGACY_VARIANT 0
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#else
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#define ETL_USING_LEGACY_VARIANT 0
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#define ETL_NOT_USING_LEGACY_VARIANT 1
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#endif
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//*************************************
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// Check WCHAR_MIN and WCHAR_MAX
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#if !defined(WCHAR_MIN)
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#define WCHAR_MIN 0x0000
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#endif
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#if !defined(WCHAR_MAX)
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#define WCHAR_MAX 0xFFFF
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#endif
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//*************************************
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// Option to force string construction from a character pointer to be explicit.
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#if defined(ETL_FORCE_EXPLICIT_STRING_CONVERSION_FROM_CHAR)
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#define ETL_EXPLICIT_STRING_FROM_CHAR explicit
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#else
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#define ETL_EXPLICIT_STRING_FROM_CHAR
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#endif
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//*************************************
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// Option to disable truncation checks for strings.
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#if defined(ETL_DISABLE_STRING_TRUNCATION_CHECKS)
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#define ETL_HAS_STRING_TRUNCATION_CHECKS 0
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#else
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#define ETL_HAS_STRING_TRUNCATION_CHECKS 1
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#endif
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//*************************************
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// Option to disable clear-after-use functionality for strings.
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#if defined(ETL_DISABLE_STRING_CLEAR_AFTER_USE)
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#define ETL_HAS_STRING_CLEAR_AFTER_USE 0
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#else
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#define ETL_HAS_STRING_CLEAR_AFTER_USE 1
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#endif
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//*************************************
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// Option to make string truncation an error.
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#if defined(ETL_ENABLE_ERROR_ON_STRING_TRUNCATION)
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#define ETL_HAS_ERROR_ON_STRING_TRUNCATION 1
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#else
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#define ETL_HAS_ERROR_ON_STRING_TRUNCATION 0
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#endif
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//*************************************
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// Option to enable repair-after-memcpy for istrings.
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#if defined(ETL_ISTRING_REPAIR_ENABLE)
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#define ETL_HAS_ISTRING_REPAIR 1
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#else
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#define ETL_HAS_ISTRING_REPAIR 0
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#endif
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//*************************************
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// Option to enable repair-after-memcpy for ivector.
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#if defined(ETL_IVECTOR_REPAIR_ENABLE)
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#define ETL_HAS_IVECTOR_REPAIR 1
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#else
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#define ETL_HAS_IVECTOR_REPAIR 0
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#endif
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//*************************************
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// Option to enable repair-after-memcpy for ideque.
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#if defined(ETL_IDEQUE_REPAIR_ENABLE)
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#define ETL_HAS_IDEQUE_REPAIR 1
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#else
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#define ETL_HAS_IDEQUE_REPAIR 0
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#endif
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//*************************************
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// Option to enable repair-after-memcpy for icircular_buffer.
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#if defined(ETL_ICIRCULAR_BUFFER_REPAIR_ENABLE)
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#define ETL_HAS_ICIRCULAR_BUFFER_REPAIR 1
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#else
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#define ETL_HAS_ICIRCULAR_BUFFER_REPAIR 0
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#endif
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//*************************************
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// Indicate if C++ exceptions are enabled.
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#if defined(ETL_THROW_EXCEPTIONS)
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#define ETL_USING_EXCEPTIONS 1
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#else
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#define ETL_USING_EXCEPTIONS 0
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#endif
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//*************************************
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// Indicate if nullptr is used.
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#if ETL_NO_NULLPTR_SUPPORT
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#define ETL_HAS_NULLPTR 0
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#else
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#define ETL_HAS_NULLPTR 1
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#endif
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//*************************************
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// Indicate if legacy bitset is used.
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#if defined(ETL_USE_LEGACY_BITSET)
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#define ETL_USING_LEGACY_BITSET 1
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#else
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#define ETL_USING_LEGACY_BITSET 0
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#endif
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//*************************************
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// Indicate if array_view is mutable.
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#if defined(ETL_ARRAY_VIEW_IS_MUTABLE)
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#define ETL_HAS_MUTABLE_ARRAY_VIEW 1
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#else
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#define ETL_HAS_MUTABLE_ARRAY_VIEW 0
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#endif
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//*************************************
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// Indicate if etl::imassage is to be non-virtual.
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#if defined(ETL_MESSAGES_ARE_NOT_VIRTUAL)
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#define ETL_HAS_VIRTUAL_MESSAGES 0
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#else
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#define ETL_HAS_VIRTUAL_MESSAGES 1
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#endif
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//*************************************
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// The macros below are dependent on the profile.
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// C++11
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#if ETL_USING_CPP11 && !defined(ETL_FORCE_NO_ADVANCED_CPP)
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#define ETL_CONSTEXPR constexpr
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#define ETL_CONSTEXPR11 constexpr // Synonym for ETL_CONSTEXPR
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#define ETL_CONSTANT constexpr
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#define ETL_DELETE = delete
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#define ETL_EXPLICIT explicit
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#define ETL_OVERRIDE override
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#define ETL_FINAL final
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#define ETL_NORETURN [[noreturn]]
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#define ETL_MOVE(x) etl::move(x)
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#define ETL_ENUM_CLASS(name) enum class name
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#define ETL_ENUM_CLASS_TYPE(name, type) enum class name : type
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#define ETL_LVALUE_REF_QUALIFIER &
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#if ETL_USING_EXCEPTIONS
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#define ETL_NOEXCEPT noexcept
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#define ETL_NOEXCEPT_EXPR(...) noexcept(__VA_ARGS__)
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#else
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#define ETL_NOEXCEPT
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#define ETL_NOEXCEPT_EXPR(...)
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#endif
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#else
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#define ETL_CONSTEXPR
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#define ETL_CONSTEXPR11
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#define ETL_CONSTANT const
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#define ETL_DELETE
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#define ETL_EXPLICIT
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#define ETL_OVERRIDE
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#define ETL_FINAL
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#define ETL_NORETURN
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#define ETL_NOEXCEPT
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#define ETL_NOEXCEPT_EXPR(...)
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#define ETL_MOVE(x) x
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#define ETL_ENUM_CLASS(name) enum name
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#define ETL_ENUM_CLASS_TYPE(name, type) enum name
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#define ETL_LVALUE_REF_QUALIFIER
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#endif
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//*************************************
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// C++14
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#if ETL_USING_CPP14 && !defined(ETL_FORCE_NO_ADVANCED_CPP)
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#define ETL_CONSTEXPR14 constexpr
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#define ETL_DEPRECATED [[deprecated]]
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#define ETL_DEPRECATED_REASON(reason) [[deprecated(reason)]]
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#else
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#define ETL_CONSTEXPR14
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#define ETL_DEPRECATED
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#define ETL_DEPRECATED_REASON(reason)
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#endif
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//*************************************
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// C++17
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#if ETL_USING_CPP17 && !defined(ETL_FORCE_NO_ADVANCED_CPP)
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#define ETL_CONSTEXPR17 constexpr
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#define ETL_IF_CONSTEXPR constexpr
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#define ETL_NODISCARD [[nodiscard]]
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#define ETL_MAYBE_UNUSED [[maybe_unused]]
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#define ETL_FALLTHROUGH [[fallthrough]]
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#define ETL_INLINE_VAR inline
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#else
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#define ETL_CONSTEXPR17
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#define ETL_IF_CONSTEXPR
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#define ETL_NODISCARD
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#define ETL_MAYBE_UNUSED
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#define ETL_FALLTHROUGH
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#define ETL_INLINE_VAR
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#endif
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//*************************************
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// C++20
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#if ETL_USING_CPP20 && !defined(ETL_FORCE_NO_ADVANCED_CPP)
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#define ETL_LIKELY [[likely]]
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#define ETL_UNLIKELY [[unlikely]]
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#define ETL_CONSTEXPR20 constexpr
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#define ETL_CONSTEVAL consteval
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#define ETL_CONSTINIT constinit
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#define ETL_NO_UNIQUE_ADDRESS [[no_unique_address]]
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#define ETL_EXPLICIT_EXPR(...) explicit(__VA_ARGS__)
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#else
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#define ETL_LIKELY
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#define ETL_UNLIKELY
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#define ETL_CONSTEXPR20
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#define ETL_CONSTEVAL
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#define ETL_CONSTINIT
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#define ETL_NO_UNIQUE_ADDRESS
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#define ETL_EXPLICIT_EXPR(...) explicit
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#endif
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#if ETL_USING_CPP20 && ETL_USING_STL
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#define ETL_CONSTEXPR20_STL constexpr
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#else
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#define ETL_CONSTEXPR20_STL
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#endif
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//*************************************
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// C++23
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#if ETL_USING_CPP23 && !defined(ETL_FORCE_NO_ADVANCED_CPP)
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#define ETL_ASSUME(expression) [[assume(expression)]]
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#else
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#define ETL_ASSUME ETL_DO_NOTHING
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#endif
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//*************************************
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// Determine if the ETL can use char8_t type.
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#if ETL_NO_SMALL_CHAR_SUPPORT
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#include "private/diagnostic_cxx_20_compat_push.h"
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typedef uint_least8_t char8_t;
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#define ETL_HAS_CHAR8_T 1
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#define ETL_HAS_NATIVE_CHAR8_T 0
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#include "private/diagnostic_pop.h"
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#else
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#define ETL_HAS_CHAR8_T 1
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#define ETL_HAS_NATIVE_CHAR8_T 1
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#endif
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//*************************************
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// Define the large character types if necessary.
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#if ETL_NO_LARGE_CHAR_SUPPORT
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typedef uint_least16_t char16_t;
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typedef uint_least32_t char32_t;
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#define ETL_HAS_NATIVE_CHAR16_T 0
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#define ETL_HAS_NATIVE_CHAR32_T 0
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#else
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#define ETL_HAS_NATIVE_CHAR16_T 1
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#define ETL_HAS_NATIVE_CHAR32_T 1
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#endif
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//*************************************
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// Determine if the ETL can use std::array
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#if !defined(ETL_HAS_STD_ARRAY)
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#if ETL_USING_STL && ETL_USING_CPP11
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#define ETL_HAS_STD_ARRAY 1
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#else
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#define ETL_HAS_STD_ARRAY 0
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#endif
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#endif
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//*************************************
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// Determine if the ETL should support atomics.
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#if defined(ETL_NO_ATOMICS) || \
|
||
|
defined(ETL_TARGET_DEVICE_ARM_CORTEX_M0) || \
|
||
|
defined(ETL_TARGET_DEVICE_ARM_CORTEX_M0_PLUS) || \
|
||
|
defined(__STDC_NO_ATOMICS__)
|
||
|
#define ETL_HAS_ATOMIC 0
|
||
|
#else
|
||
|
#if ((ETL_USING_CPP11 && (ETL_USING_STL || defined(ETL_IN_UNIT_TEST))) || \
|
||
|
defined(ETL_COMPILER_ARM5) || \
|
||
|
defined(ETL_COMPILER_ARM6) || \
|
||
|
defined(ETL_COMPILER_GCC) || \
|
||
|
defined(ETL_COMPILER_CLANG))
|
||
|
#define ETL_HAS_ATOMIC 1
|
||
|
#else
|
||
|
#define ETL_HAS_ATOMIC 0
|
||
|
#endif
|
||
|
#endif
|
||
|
|
||
|
//*************************************
|
||
|
// Determine if the ETL should use std::initializer_list.
|
||
|
#if (defined(ETL_FORCE_ETL_INITIALIZER_LIST) && defined(ETL_FORCE_STD_INITIALIZER_LIST))
|
||
|
#error ETL_FORCE_ETL_INITIALIZER_LIST and ETL_FORCE_STD_INITIALIZER_LIST both been defined. Choose one or neither.
|
||
|
#endif
|
||
|
|
||
|
#if (ETL_USING_CPP11 && !defined(ETL_NO_INITIALIZER_LIST))
|
||
|
// Use the compiler's std::initializer_list?
|
||
|
#if (ETL_USING_STL && ETL_NOT_USING_STLPORT && !defined(ETL_FORCE_ETL_INITIALIZER_LIST)) || defined(ETL_IN_UNIT_TEST) || defined(ETL_FORCE_STD_INITIALIZER_LIST)
|
||
|
#define ETL_HAS_INITIALIZER_LIST 1
|
||
|
#else
|
||
|
// Use the ETL's compatible version?
|
||
|
#if defined(ETL_COMPILER_MICROSOFT) || defined(ETL_COMPILER_GCC) || defined(ETL_COMPILER_CLANG) || \
|
||
|
defined(ETL_COMPILER_ARM6) || defined(ETL_COMPILER_ARM7) || defined(ETL_COMPILER_IAR) || \
|
||
|
defined(ETL_COMPILER_TEXAS_INSTRUMENTS) || defined(ETL_COMPILER_INTEL)
|
||
|
#define ETL_HAS_INITIALIZER_LIST 1
|
||
|
#else
|
||
|
#define ETL_HAS_INITIALIZER_LIST 0
|
||
|
#endif
|
||
|
#endif
|
||
|
#else
|
||
|
#define ETL_HAS_INITIALIZER_LIST 0
|
||
|
#endif
|
||
|
|
||
|
//*************************************
|
||
|
// Check for availability of certain builtins
|
||
|
#include "profiles/determine_builtin_support.h"
|
||
|
|
||
|
//*************************************
|
||
|
// Sort out namespaces for STL/No STL options.
|
||
|
#include "private/choose_namespace.h"
|
||
|
|
||
|
namespace etl
|
||
|
{
|
||
|
namespace traits
|
||
|
{
|
||
|
// Documentation: https://www.etlcpp.com/etl_traits.html
|
||
|
// General
|
||
|
static ETL_CONSTANT long cplusplus = __cplusplus;
|
||
|
static ETL_CONSTANT int language_standard = ETL_LANGUAGE_STANDARD;
|
||
|
|
||
|
// Using...
|
||
|
static ETL_CONSTANT bool using_stl = (ETL_USING_STL == 1);
|
||
|
static ETL_CONSTANT bool using_stlport = (ETL_USING_STLPORT == 1);
|
||
|
static ETL_CONSTANT bool using_cpp11 = (ETL_USING_CPP11 == 1);
|
||
|
static ETL_CONSTANT bool using_cpp14 = (ETL_USING_CPP14 == 1);
|
||
|
static ETL_CONSTANT bool using_cpp17 = (ETL_USING_CPP17 == 1);
|
||
|
static ETL_CONSTANT bool using_cpp20 = (ETL_USING_CPP20 == 1);
|
||
|
static ETL_CONSTANT bool using_cpp23 = (ETL_USING_CPP23 == 1);
|
||
|
static ETL_CONSTANT bool using_gcc_compiler = (ETL_USING_GCC_COMPILER == 1);
|
||
|
static ETL_CONSTANT bool using_microsoft_compiler = (ETL_USING_MICROSOFT_COMPILER == 1);
|
||
|
static ETL_CONSTANT bool using_arm5_compiler = (ETL_USING_ARM5_COMPILER == 1);
|
||
|
static ETL_CONSTANT bool using_arm6_compiler = (ETL_USING_ARM6_COMPILER == 1);
|
||
|
static ETL_CONSTANT bool using_arm7_compiler = (ETL_USING_ARM7_COMPILER == 1);
|
||
|
static ETL_CONSTANT bool using_clang_compiler = (ETL_USING_CLANG_COMPILER == 1);
|
||
|
static ETL_CONSTANT bool using_green_hills_compiler = (ETL_USING_GREEN_HILLS_COMPILER == 1);
|
||
|
static ETL_CONSTANT bool using_iar_compiler = (ETL_USING_IAR_COMPILER == 1);
|
||
|
static ETL_CONSTANT bool using_intel_compiler = (ETL_USING_INTEL_COMPILER == 1);
|
||
|
static ETL_CONSTANT bool using_texas_instruments_compiler = (ETL_USING_TEXAS_INSTRUMENTS_COMPILER == 1);
|
||
|
static ETL_CONSTANT bool using_generic_compiler = (ETL_USING_GENERIC_COMPILER == 1);
|
||
|
static ETL_CONSTANT bool using_legacy_bitset = (ETL_USING_LEGACY_BITSET == 1);
|
||
|
static ETL_CONSTANT bool using_exceptions = (ETL_USING_EXCEPTIONS == 1);
|
||
|
|
||
|
// Has...
|
||
|
static ETL_CONSTANT bool has_initializer_list = (ETL_HAS_INITIALIZER_LIST == 1);
|
||
|
static ETL_CONSTANT bool has_8bit_types = (ETL_USING_8BIT_TYPES == 1);
|
||
|
static ETL_CONSTANT bool has_64bit_types = (ETL_USING_64BIT_TYPES == 1);
|
||
|
static ETL_CONSTANT bool has_atomic = (ETL_HAS_ATOMIC == 1);
|
||
|
static ETL_CONSTANT bool has_nullptr = (ETL_HAS_NULLPTR == 1);
|
||
|
static ETL_CONSTANT bool has_char8_t = (ETL_HAS_CHAR8_T == 1);
|
||
|
static ETL_CONSTANT bool has_native_char8_t = (ETL_HAS_NATIVE_CHAR8_T == 1);
|
||
|
static ETL_CONSTANT bool has_native_char16_t = (ETL_HAS_NATIVE_CHAR16_T == 1);
|
||
|
static ETL_CONSTANT bool has_native_char32_t = (ETL_HAS_NATIVE_CHAR32_T == 1);
|
||
|
static ETL_CONSTANT bool has_string_truncation_checks = (ETL_HAS_STRING_TRUNCATION_CHECKS == 1);
|
||
|
static ETL_CONSTANT bool has_error_on_string_truncation = (ETL_HAS_ERROR_ON_STRING_TRUNCATION == 1);
|
||
|
static ETL_CONSTANT bool has_string_clear_after_use = (ETL_HAS_STRING_CLEAR_AFTER_USE == 1);
|
||
|
static ETL_CONSTANT bool has_istring_repair = (ETL_HAS_ISTRING_REPAIR == 1);
|
||
|
static ETL_CONSTANT bool has_ivector_repair = (ETL_HAS_IVECTOR_REPAIR == 1);
|
||
|
static ETL_CONSTANT bool has_icircular_buffer_repair = (ETL_HAS_ICIRCULAR_BUFFER_REPAIR == 1);
|
||
|
static ETL_CONSTANT bool has_mutable_array_view = (ETL_HAS_MUTABLE_ARRAY_VIEW == 1);
|
||
|
static ETL_CONSTANT bool has_ideque_repair = (ETL_HAS_IDEQUE_REPAIR == 1);
|
||
|
static ETL_CONSTANT bool has_virtual_messages = (ETL_HAS_VIRTUAL_MESSAGES == 1);
|
||
|
|
||
|
// Is...
|
||
|
static ETL_CONSTANT bool is_debug_build = (ETL_IS_DEBUG_BUILD == 1);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
#endif
|