1 //===- FormatAdapters.h - Formatters for common LLVM types -----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef LLVM_SUPPORT_FORMATADAPTERS_H
11 #define LLVM_SUPPORT_FORMATADAPTERS_H
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"
20 template <typename T> class AdapterBase {
22 explicit AdapterBase(T &&Item) : Item(Item) {}
25 static_assert(!detail::uses_missing_provider<T>::value,
26 "Item does not have a format provider!");
30 template <typename T> class AlignAdapter : public AdapterBase<T> {
35 AlignAdapter(T &&Item, AlignStyle Where, size_t Amount)
36 : AdapterBase(std::forward<T>(Item)), Where(Where), Amount(Amount) {}
38 void format(llvm::raw_ostream &Stream, StringRef Style) {
39 auto Wrapper = detail::build_format_wrapper(std::forward<T>(Item));
40 FmtAlign(Wrapper, Where, Amount).format(Stream, Style);
44 template <typename T> class PadAdapter : public AdapterBase<T> {
49 PadAdapter(T &&Item, size_t Left, size_t Right)
50 : AdapterBase(std::forward<T>(Item)), Left(Left), Right(Right) {}
52 void format(llvm::raw_ostream &Stream, StringRef Style) {
53 auto Wrapper = detail::build_format_wrapper(std::forward<T>(Item));
55 Wrapper.format(Stream, Style);
60 template <typename T> class RepeatAdapter : public AdapterBase<T> {
64 RepeatAdapter(T &&Item, size_t Count)
65 : AdapterBase(std::forward<T>(Item)), Count(Count) {}
67 void format(llvm::raw_ostream &Stream, StringRef Style) {
68 auto Wrapper = detail::build_format_wrapper(std::forward<T>(Item));
69 for (size_t I = 0; I < Count; ++I) {
70 Wrapper.format(Stream, Style);
77 detail::AlignAdapter<T> fmt_align(T &&Item, AlignStyle Where, size_t Amount) {
78 return detail::AlignAdapter<T>(std::forward<T>(Item), Where, Amount);
82 detail::PadAdapter<T> fmt_pad(T &&Item, size_t Left, size_t Right) {
83 return detail::PadAdapter<T>(std::forward<T>(Item), Left, Right);
87 detail::RepeatAdapter<T> fmt_repeat(T &&Item, size_t Count) {
88 return detail::RepeatAdapter<T>(std::forward<T>(Item), Count);