Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 14 | pmbaty | 1 | //===- FormatAdapters.h - Formatters for common LLVM types -----*- C++ -*-===// |
| 2 | // |
||
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
||
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
||
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
||
| 6 | // |
||
| 7 | //===----------------------------------------------------------------------===// |
||
| 8 | |||
| 9 | #ifndef LLVM_SUPPORT_FORMATADAPTERS_H |
||
| 10 | #define LLVM_SUPPORT_FORMATADAPTERS_H |
||
| 11 | |||
| 12 | #include "llvm/ADT/StringRef.h" |
||
| 13 | #include "llvm/Support/Error.h" |
||
| 14 | #include "llvm/Support/FormatCommon.h" |
||
| 15 | #include "llvm/Support/FormatVariadicDetails.h" |
||
| 16 | #include "llvm/Support/raw_ostream.h" |
||
| 17 | |||
| 18 | namespace llvm { |
||
| 19 | template <typename T> class FormatAdapter : public detail::format_adapter { |
||
| 20 | protected: |
||
| 21 | explicit FormatAdapter(T &&Item) : Item(std::forward<T>(Item)) {} |
||
| 22 | |||
| 23 | T Item; |
||
| 24 | }; |
||
| 25 | |||
| 26 | namespace detail { |
||
| 27 | template <typename T> class AlignAdapter final : public FormatAdapter<T> { |
||
| 28 | AlignStyle Where; |
||
| 29 | size_t Amount; |
||
| 30 | char Fill; |
||
| 31 | |||
| 32 | public: |
||
| 33 | AlignAdapter(T &&Item, AlignStyle Where, size_t Amount, char Fill) |
||
| 34 | : FormatAdapter<T>(std::forward<T>(Item)), Where(Where), Amount(Amount), |
||
| 35 | Fill(Fill) {} |
||
| 36 | |||
| 37 | void format(llvm::raw_ostream &Stream, StringRef Style) override { |
||
| 38 | auto Adapter = detail::build_format_adapter(std::forward<T>(this->Item)); |
||
| 39 | FmtAlign(Adapter, Where, Amount, Fill).format(Stream, Style); |
||
| 40 | } |
||
| 41 | }; |
||
| 42 | |||
| 43 | template <typename T> class PadAdapter final : public FormatAdapter<T> { |
||
| 44 | size_t Left; |
||
| 45 | size_t Right; |
||
| 46 | |||
| 47 | public: |
||
| 48 | PadAdapter(T &&Item, size_t Left, size_t Right) |
||
| 49 | : FormatAdapter<T>(std::forward<T>(Item)), Left(Left), Right(Right) {} |
||
| 50 | |||
| 51 | void format(llvm::raw_ostream &Stream, StringRef Style) override { |
||
| 52 | auto Adapter = detail::build_format_adapter(std::forward<T>(this->Item)); |
||
| 53 | Stream.indent(Left); |
||
| 54 | Adapter.format(Stream, Style); |
||
| 55 | Stream.indent(Right); |
||
| 56 | } |
||
| 57 | }; |
||
| 58 | |||
| 59 | template <typename T> class RepeatAdapter final : public FormatAdapter<T> { |
||
| 60 | size_t Count; |
||
| 61 | |||
| 62 | public: |
||
| 63 | RepeatAdapter(T &&Item, size_t Count) |
||
| 64 | : FormatAdapter<T>(std::forward<T>(Item)), Count(Count) {} |
||
| 65 | |||
| 66 | void format(llvm::raw_ostream &Stream, StringRef Style) override { |
||
| 67 | auto Adapter = detail::build_format_adapter(std::forward<T>(this->Item)); |
||
| 68 | for (size_t I = 0; I < Count; ++I) { |
||
| 69 | Adapter.format(Stream, Style); |
||
| 70 | } |
||
| 71 | } |
||
| 72 | }; |
||
| 73 | |||
| 74 | class ErrorAdapter : public FormatAdapter<Error> { |
||
| 75 | public: |
||
| 76 | ErrorAdapter(Error &&Item) : FormatAdapter(std::move(Item)) {} |
||
| 77 | ErrorAdapter(ErrorAdapter &&) = default; |
||
| 78 | ~ErrorAdapter() { consumeError(std::move(Item)); } |
||
| 79 | void format(llvm::raw_ostream &Stream, StringRef Style) override { |
||
| 80 | Stream << Item; |
||
| 81 | } |
||
| 82 | }; |
||
| 83 | } |
||
| 84 | |||
| 85 | template <typename T> |
||
| 86 | detail::AlignAdapter<T> fmt_align(T &&Item, AlignStyle Where, size_t Amount, |
||
| 87 | char Fill = ' ') { |
||
| 88 | return detail::AlignAdapter<T>(std::forward<T>(Item), Where, Amount, Fill); |
||
| 89 | } |
||
| 90 | |||
| 91 | template <typename T> |
||
| 92 | detail::PadAdapter<T> fmt_pad(T &&Item, size_t Left, size_t Right) { |
||
| 93 | return detail::PadAdapter<T>(std::forward<T>(Item), Left, Right); |
||
| 94 | } |
||
| 95 | |||
| 96 | template <typename T> |
||
| 97 | detail::RepeatAdapter<T> fmt_repeat(T &&Item, size_t Count) { |
||
| 98 | return detail::RepeatAdapter<T>(std::forward<T>(Item), Count); |
||
| 99 | } |
||
| 100 | |||
| 101 | // llvm::Error values must be consumed before being destroyed. |
||
| 102 | // Wrapping an error in fmt_consume explicitly indicates that the formatv_object |
||
| 103 | // should take ownership and consume it. |
||
| 104 | inline detail::ErrorAdapter fmt_consume(Error &&Item) { |
||
| 105 | return detail::ErrorAdapter(std::move(Item)); |
||
| 106 | } |
||
| 107 | } |
||
| 108 | |||
| 109 | #endif |