diff options
| author | orivej <[email protected]> | 2022-02-10 16:45:01 +0300 |
|---|---|---|
| committer | Daniil Cherednik <[email protected]> | 2022-02-10 16:45:01 +0300 |
| commit | 2d37894b1b037cf24231090eda8589bbb44fb6fc (patch) | |
| tree | be835aa92c6248212e705f25388ebafcf84bc7a1 /contrib/libs/llvm12/include/llvm/Support/FormatVariadicDetails.h | |
| parent | 718c552901d703c502ccbefdfc3c9028d608b947 (diff) | |
Restoring authorship annotation for <[email protected]>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/llvm12/include/llvm/Support/FormatVariadicDetails.h')
| -rw-r--r-- | contrib/libs/llvm12/include/llvm/Support/FormatVariadicDetails.h | 346 |
1 files changed, 173 insertions, 173 deletions
diff --git a/contrib/libs/llvm12/include/llvm/Support/FormatVariadicDetails.h b/contrib/libs/llvm12/include/llvm/Support/FormatVariadicDetails.h index 8ff7b47573d..d91a37feb2a 100644 --- a/contrib/libs/llvm12/include/llvm/Support/FormatVariadicDetails.h +++ b/contrib/libs/llvm12/include/llvm/Support/FormatVariadicDetails.h @@ -1,173 +1,173 @@ -#pragma once - -#ifdef __GNUC__ -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wunused-parameter" -#endif - -//===- FormatVariadicDetails.h - Helpers for FormatVariadic.h ----*- C++-*-===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_SUPPORT_FORMATVARIADIC_DETAILS_H -#define LLVM_SUPPORT_FORMATVARIADIC_DETAILS_H - -#include "llvm/ADT/StringRef.h" -#include "llvm/Support/raw_ostream.h" - -#include <type_traits> - -namespace llvm { -template <typename T, typename Enable = void> struct format_provider {}; -class Error; - -namespace detail { -class format_adapter { - virtual void anchor(); - -protected: - virtual ~format_adapter() {} - -public: - virtual void format(raw_ostream &S, StringRef Options) = 0; -}; - -template <typename T> class provider_format_adapter : public format_adapter { - T Item; - -public: - explicit provider_format_adapter(T &&Item) : Item(std::forward<T>(Item)) {} - - void format(llvm::raw_ostream &S, StringRef Options) override { - format_provider<std::decay_t<T>>::format(Item, S, Options); - } -}; - -template <typename T> -class stream_operator_format_adapter : public format_adapter { - T Item; - -public: - explicit stream_operator_format_adapter(T &&Item) - : Item(std::forward<T>(Item)) {} - - void format(llvm::raw_ostream &S, StringRef Options) override { S << Item; } -}; - -template <typename T> class missing_format_adapter; - -// Test if format_provider<T> is defined on T and contains a member function -// with the signature: -// static void format(const T&, raw_stream &, StringRef); -// -template <class T> class has_FormatProvider { -public: - using Decayed = std::decay_t<T>; - typedef void (*Signature_format)(const Decayed &, llvm::raw_ostream &, - StringRef); - - template <typename U> - static char test(SameType<Signature_format, &U::format> *); - - template <typename U> static double test(...); - - static bool const value = - (sizeof(test<llvm::format_provider<Decayed>>(nullptr)) == 1); -}; - -// Test if raw_ostream& << T -> raw_ostream& is findable via ADL. -template <class T> class has_StreamOperator { -public: - using ConstRefT = const std::decay_t<T> &; - - template <typename U> - static char test( - std::enable_if_t<std::is_same<decltype(std::declval<llvm::raw_ostream &>() - << std::declval<U>()), - llvm::raw_ostream &>::value, - int *>); - - template <typename U> static double test(...); - - static bool const value = (sizeof(test<ConstRefT>(nullptr)) == 1); -}; - -// Simple template that decides whether a type T should use the member-function -// based format() invocation. -template <typename T> -struct uses_format_member - : public std::integral_constant< - bool, - std::is_base_of<format_adapter, std::remove_reference_t<T>>::value> { -}; - -// Simple template that decides whether a type T should use the format_provider -// based format() invocation. The member function takes priority, so this test -// will only be true if there is not ALSO a format member. -template <typename T> -struct uses_format_provider - : public std::integral_constant< - bool, !uses_format_member<T>::value && has_FormatProvider<T>::value> { -}; - -// Simple template that decides whether a type T should use the operator<< -// based format() invocation. This takes last priority. -template <typename T> -struct uses_stream_operator - : public std::integral_constant<bool, !uses_format_member<T>::value && - !uses_format_provider<T>::value && - has_StreamOperator<T>::value> {}; - -// Simple template that decides whether a type T has neither a member-function -// nor format_provider based implementation that it can use. Mostly used so -// that the compiler spits out a nice diagnostic when a type with no format -// implementation can be located. -template <typename T> -struct uses_missing_provider - : public std::integral_constant<bool, !uses_format_member<T>::value && - !uses_format_provider<T>::value && - !uses_stream_operator<T>::value> { -}; - -template <typename T> -std::enable_if_t<uses_format_member<T>::value, T> -build_format_adapter(T &&Item) { - return std::forward<T>(Item); -} - -template <typename T> -std::enable_if_t<uses_format_provider<T>::value, provider_format_adapter<T>> -build_format_adapter(T &&Item) { - return provider_format_adapter<T>(std::forward<T>(Item)); -} - -template <typename T> -std::enable_if_t<uses_stream_operator<T>::value, - stream_operator_format_adapter<T>> -build_format_adapter(T &&Item) { - // If the caller passed an Error by value, then stream_operator_format_adapter - // would be responsible for consuming it. - // Make the caller opt into this by calling fmt_consume(). - static_assert( - !std::is_same<llvm::Error, std::remove_cv_t<T>>::value, - "llvm::Error-by-value must be wrapped in fmt_consume() for formatv"); - return stream_operator_format_adapter<T>(std::forward<T>(Item)); -} - -template <typename T> -std::enable_if_t<uses_missing_provider<T>::value, missing_format_adapter<T>> -build_format_adapter(T &&Item) { - return missing_format_adapter<T>(); -} -} -} - -#endif - -#ifdef __GNUC__ -#pragma GCC diagnostic pop -#endif +#pragma once + +#ifdef __GNUC__ +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wunused-parameter" +#endif + +//===- FormatVariadicDetails.h - Helpers for FormatVariadic.h ----*- C++-*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_SUPPORT_FORMATVARIADIC_DETAILS_H +#define LLVM_SUPPORT_FORMATVARIADIC_DETAILS_H + +#include "llvm/ADT/StringRef.h" +#include "llvm/Support/raw_ostream.h" + +#include <type_traits> + +namespace llvm { +template <typename T, typename Enable = void> struct format_provider {}; +class Error; + +namespace detail { +class format_adapter { + virtual void anchor(); + +protected: + virtual ~format_adapter() {} + +public: + virtual void format(raw_ostream &S, StringRef Options) = 0; +}; + +template <typename T> class provider_format_adapter : public format_adapter { + T Item; + +public: + explicit provider_format_adapter(T &&Item) : Item(std::forward<T>(Item)) {} + + void format(llvm::raw_ostream &S, StringRef Options) override { + format_provider<std::decay_t<T>>::format(Item, S, Options); + } +}; + +template <typename T> +class stream_operator_format_adapter : public format_adapter { + T Item; + +public: + explicit stream_operator_format_adapter(T &&Item) + : Item(std::forward<T>(Item)) {} + + void format(llvm::raw_ostream &S, StringRef Options) override { S << Item; } +}; + +template <typename T> class missing_format_adapter; + +// Test if format_provider<T> is defined on T and contains a member function +// with the signature: +// static void format(const T&, raw_stream &, StringRef); +// +template <class T> class has_FormatProvider { +public: + using Decayed = std::decay_t<T>; + typedef void (*Signature_format)(const Decayed &, llvm::raw_ostream &, + StringRef); + + template <typename U> + static char test(SameType<Signature_format, &U::format> *); + + template <typename U> static double test(...); + + static bool const value = + (sizeof(test<llvm::format_provider<Decayed>>(nullptr)) == 1); +}; + +// Test if raw_ostream& << T -> raw_ostream& is findable via ADL. +template <class T> class has_StreamOperator { +public: + using ConstRefT = const std::decay_t<T> &; + + template <typename U> + static char test( + std::enable_if_t<std::is_same<decltype(std::declval<llvm::raw_ostream &>() + << std::declval<U>()), + llvm::raw_ostream &>::value, + int *>); + + template <typename U> static double test(...); + + static bool const value = (sizeof(test<ConstRefT>(nullptr)) == 1); +}; + +// Simple template that decides whether a type T should use the member-function +// based format() invocation. +template <typename T> +struct uses_format_member + : public std::integral_constant< + bool, + std::is_base_of<format_adapter, std::remove_reference_t<T>>::value> { +}; + +// Simple template that decides whether a type T should use the format_provider +// based format() invocation. The member function takes priority, so this test +// will only be true if there is not ALSO a format member. +template <typename T> +struct uses_format_provider + : public std::integral_constant< + bool, !uses_format_member<T>::value && has_FormatProvider<T>::value> { +}; + +// Simple template that decides whether a type T should use the operator<< +// based format() invocation. This takes last priority. +template <typename T> +struct uses_stream_operator + : public std::integral_constant<bool, !uses_format_member<T>::value && + !uses_format_provider<T>::value && + has_StreamOperator<T>::value> {}; + +// Simple template that decides whether a type T has neither a member-function +// nor format_provider based implementation that it can use. Mostly used so +// that the compiler spits out a nice diagnostic when a type with no format +// implementation can be located. +template <typename T> +struct uses_missing_provider + : public std::integral_constant<bool, !uses_format_member<T>::value && + !uses_format_provider<T>::value && + !uses_stream_operator<T>::value> { +}; + +template <typename T> +std::enable_if_t<uses_format_member<T>::value, T> +build_format_adapter(T &&Item) { + return std::forward<T>(Item); +} + +template <typename T> +std::enable_if_t<uses_format_provider<T>::value, provider_format_adapter<T>> +build_format_adapter(T &&Item) { + return provider_format_adapter<T>(std::forward<T>(Item)); +} + +template <typename T> +std::enable_if_t<uses_stream_operator<T>::value, + stream_operator_format_adapter<T>> +build_format_adapter(T &&Item) { + // If the caller passed an Error by value, then stream_operator_format_adapter + // would be responsible for consuming it. + // Make the caller opt into this by calling fmt_consume(). + static_assert( + !std::is_same<llvm::Error, std::remove_cv_t<T>>::value, + "llvm::Error-by-value must be wrapped in fmt_consume() for formatv"); + return stream_operator_format_adapter<T>(std::forward<T>(Item)); +} + +template <typename T> +std::enable_if_t<uses_missing_provider<T>::value, missing_format_adapter<T>> +build_format_adapter(T &&Item) { + return missing_format_adapter<T>(); +} +} +} + +#endif + +#ifdef __GNUC__ +#pragma GCC diagnostic pop +#endif |
