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 19namespace llvm { 20template <typename T> class FormatAdapter : public detail::format_adapter { 21protected: 22 explicit FormatAdapter(T &&Item) : Item(Item) {} 23 24 T Item; 25}; 26 27namespace detail { 28template <typename T> class AlignAdapter final : public FormatAdapter<T> { 29 AlignStyle Where; 30 size_t Amount; 31 char Fill; 32 33public: 34 AlignAdapter(T &&Item, AlignStyle Where, size_t Amount, char Fill) 35 : FormatAdapter<T>(std::forward<T>(Item)), Where(Where), Amount(Amount), 36 Fill(Fill) {} 37 38 void format(llvm::raw_ostream &Stream, StringRef Style) { 39 auto Adapter = detail::build_format_adapter(std::forward<T>(this->Item)); 40 FmtAlign(Adapter, Where, Amount, Fill).format(Stream, Style); 41 } 42}; 43 44template <typename T> class PadAdapter final : public FormatAdapter<T> { 45 size_t Left; 46 size_t Right; 47 48public: 49 PadAdapter(T &&Item, size_t Left, size_t Right) 50 : FormatAdapter<T>(std::forward<T>(Item)), Left(Left), Right(Right) {} 51 52 void format(llvm::raw_ostream &Stream, StringRef Style) { 53 auto Adapter = detail::build_format_adapter(std::forward<T>(this->Item)); 54 Stream.indent(Left); 55 Adapter.format(Stream, Style); 56 Stream.indent(Right); 57 } 58}; 59 60template <typename T> class RepeatAdapter final : public FormatAdapter<T> { 61 size_t Count; 62 63public: 64 RepeatAdapter(T &&Item, size_t Count) 65 : FormatAdapter<T>(std::forward<T>(Item)), Count(Count) {} 66 67 void format(llvm::raw_ostream &Stream, StringRef Style) { 68 auto Adapter = detail::build_format_adapter(std::forward<T>(this->Item)); 69 for (size_t I = 0; I < Count; ++I) { 70 Adapter.format(Stream, Style); 71 } 72 } 73}; 74} 75 76template <typename T> 77detail::AlignAdapter<T> fmt_align(T &&Item, AlignStyle Where, size_t Amount, 78 char Fill = ' ') { 79 return detail::AlignAdapter<T>(std::forward<T>(Item), Where, Amount, Fill); 80} 81 82template <typename T> 83detail::PadAdapter<T> fmt_pad(T &&Item, size_t Left, size_t Right) { 84 return detail::PadAdapter<T>(std::forward<T>(Item), Left, Right); 85} 86 87template <typename T> 88detail::RepeatAdapter<T> fmt_repeat(T &&Item, size_t Count) { 89 return detail::RepeatAdapter<T>(std::forward<T>(Item), Count); 90} 91} 92 93#endif 94