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| author | Ralf Luther <luther.ralf@gmail.com> | 2019-03-27 20:23:17 +0000 |
|---|---|---|
| committer | Gerrit Code Review <gerrit2@aicp-server-3> | 2019-03-27 20:23:17 +0000 |
| commit | 1ce3a9d272e564b22a1333a1e36a3d3ab7cfab01 (patch) | |
| tree | 391382eadd4fec5bb480f2e8934fa352770221d1 /clang-r353983/include/llvm/Support/FormatAdapters.h | |
| parent | d1d48b140bafaa8a50107292f5fce95562575765 (diff) | |
| parent | 4f56932d3416ac03f646bc1a611b3135fec2fe08 (diff) | |
Merge "Update prebuilt Clang to r353983." into p9.0HEADp9.0-backupp9.0
Diffstat (limited to 'clang-r353983/include/llvm/Support/FormatAdapters.h')
| -rw-r--r-- | clang-r353983/include/llvm/Support/FormatAdapters.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/clang-r353983/include/llvm/Support/FormatAdapters.h b/clang-r353983/include/llvm/Support/FormatAdapters.h new file mode 100644 index 00000000..a0e8cc43 --- /dev/null +++ b/clang-r353983/include/llvm/Support/FormatAdapters.h @@ -0,0 +1,108 @@ +//===- FormatAdapters.h - Formatters for common LLVM types -----*- 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_FORMATADAPTERS_H +#define LLVM_SUPPORT_FORMATADAPTERS_H + +#include "llvm/ADT/SmallString.h" +#include "llvm/ADT/StringRef.h" +#include "llvm/Support/Error.h" +#include "llvm/Support/FormatCommon.h" +#include "llvm/Support/FormatVariadicDetails.h" +#include "llvm/Support/raw_ostream.h" + +namespace llvm { +template <typename T> class FormatAdapter : public detail::format_adapter { +protected: + explicit FormatAdapter(T &&Item) : Item(std::forward<T>(Item)) {} + + T Item; +}; + +namespace detail { +template <typename T> class AlignAdapter final : public FormatAdapter<T> { + AlignStyle Where; + size_t Amount; + char Fill; + +public: + AlignAdapter(T &&Item, AlignStyle Where, size_t Amount, char Fill) + : FormatAdapter<T>(std::forward<T>(Item)), Where(Where), Amount(Amount), + Fill(Fill) {} + + void format(llvm::raw_ostream &Stream, StringRef Style) { + auto Adapter = detail::build_format_adapter(std::forward<T>(this->Item)); + FmtAlign(Adapter, Where, Amount, Fill).format(Stream, Style); + } +}; + +template <typename T> class PadAdapter final : public FormatAdapter<T> { + size_t Left; + size_t Right; + +public: + PadAdapter(T &&Item, size_t Left, size_t Right) + : FormatAdapter<T>(std::forward<T>(Item)), Left(Left), Right(Right) {} + + void format(llvm::raw_ostream &Stream, StringRef Style) { + auto Adapter = detail::build_format_adapter(std::forward<T>(this->Item)); + Stream.indent(Left); + Adapter.format(Stream, Style); + Stream.indent(Right); + } +}; + +template <typename T> class RepeatAdapter final : public FormatAdapter<T> { + size_t Count; + +public: + RepeatAdapter(T &&Item, size_t Count) + : FormatAdapter<T>(std::forward<T>(Item)), Count(Count) {} + + void format(llvm::raw_ostream &Stream, StringRef Style) { + auto Adapter = detail::build_format_adapter(std::forward<T>(this->Item)); + for (size_t I = 0; I < Count; ++I) { + Adapter.format(Stream, Style); + } + } +}; + +class ErrorAdapter : public FormatAdapter<Error> { +public: + ErrorAdapter(Error &&Item) : FormatAdapter(std::move(Item)) {} + ErrorAdapter(ErrorAdapter &&) = default; + ~ErrorAdapter() { consumeError(std::move(Item)); } + void format(llvm::raw_ostream &Stream, StringRef Style) { Stream << Item; } +}; +} + +template <typename T> +detail::AlignAdapter<T> fmt_align(T &&Item, AlignStyle Where, size_t Amount, + char Fill = ' ') { + return detail::AlignAdapter<T>(std::forward<T>(Item), Where, Amount, Fill); +} + +template <typename T> +detail::PadAdapter<T> fmt_pad(T &&Item, size_t Left, size_t Right) { + return detail::PadAdapter<T>(std::forward<T>(Item), Left, Right); +} + +template <typename T> +detail::RepeatAdapter<T> fmt_repeat(T &&Item, size_t Count) { + return detail::RepeatAdapter<T>(std::forward<T>(Item), Count); +} + +// llvm::Error values must be consumed before being destroyed. +// Wrapping an error in fmt_consume explicitly indicates that the formatv_object +// should take ownership and consume it. +inline detail::ErrorAdapter fmt_consume(Error &&Item) { + return detail::ErrorAdapter(std::move(Item)); +} +} + +#endif |
