1 //===- FormatAdapters.h - Formatters for common LLVM types -----*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLVM_SUPPORT_FORMATADAPTERS_H 11 #define LLVM_SUPPORT_FORMATADAPTERS_H 12 13 #include "llvm/ADT/SmallString.h" 14 #include "llvm/ADT/StringRef.h" 15 #include "llvm/Support/FormatCommon.h" 16 #include "llvm/Support/FormatVariadicDetails.h" 17 #include "llvm/Support/raw_ostream.h" 18 19 namespace llvm { 20 template <typename T> class FormatAdapter : public detail::format_adapter { 21 protected: 22 explicit FormatAdapter(T &&Item) : Item(Item) {} 23 24 T Item; 25 }; 26 27 namespace detail { 28 template <typename T> class AlignAdapter final : public FormatAdapter<T> { 29 AlignStyle Where; 30 size_t Amount; 31 32 public: 33 AlignAdapter(T &&Item, AlignStyle Where, size_t Amount) 34 : FormatAdapter<T>(std::forward<T>(Item)), Where(Where), Amount(Amount) {} 35 36 void format(llvm::raw_ostream &Stream, StringRef Style) { 37 auto Adapter = detail::build_format_adapter(std::forward<T>(this->Item)); 38 FmtAlign(Adapter, Where, Amount).format(Stream, Style); 39 } 40 }; 41 42 template <typename T> class PadAdapter final : public FormatAdapter<T> { 43 size_t Left; 44 size_t Right; 45 46 public: 47 PadAdapter(T &&Item, size_t Left, size_t Right) 48 : FormatAdapter<T>(std::forward<T>(Item)), Left(Left), Right(Right) {} 49 50 void format(llvm::raw_ostream &Stream, StringRef Style) { 51 auto Adapter = detail::build_format_adapter(std::forward<T>(this->Item)); 52 Stream.indent(Left); 53 Adapter.format(Stream, Style); 54 Stream.indent(Right); 55 } 56 }; 57 58 template <typename T> class RepeatAdapter final : public FormatAdapter<T> { 59 size_t Count; 60 61 public: 62 RepeatAdapter(T &&Item, size_t Count) 63 : FormatAdapter<T>(std::forward<T>(Item)), Count(Count) {} 64 65 void format(llvm::raw_ostream &Stream, StringRef Style) { 66 auto Adapter = detail::build_format_adapter(std::forward<T>(this->Item)); 67 for (size_t I = 0; I < Count; ++I) { 68 Adapter.format(Stream, Style); 69 } 70 } 71 }; 72 } 73 74 template <typename T> 75 detail::AlignAdapter<T> fmt_align(T &&Item, AlignStyle Where, size_t Amount) { 76 return detail::AlignAdapter<T>(std::forward<T>(Item), Where, Amount); 77 } 78 79 template <typename T> 80 detail::PadAdapter<T> fmt_pad(T &&Item, size_t Left, size_t Right) { 81 return detail::PadAdapter<T>(std::forward<T>(Item), Left, Right); 82 } 83 84 template <typename T> 85 detail::RepeatAdapter<T> fmt_repeat(T &&Item, size_t Count) { 86 return detail::RepeatAdapter<T>(std::forward<T>(Item), Count); 87 } 88 } 89 90 #endif 91
