1 //===- FormatUtil.h ------------------------------------------- *- 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_TOOLS_LLVMPDBUTIL_FORMAT_UTIL_H
11 #define LLVM_TOOLS_LLVMPDBUTIL_FORMAT_UTIL_H
13 #include "llvm/ADT/ArrayRef.h"
14 #include "llvm/ADT/StringRef.h"
15 #include "llvm/Support/Endian.h"
16 #include "llvm/Support/FormatAdapters.h"
17 #include "llvm/Support/FormatVariadic.h"
20 #include <type_traits>
25 std::string truncateStringBack(StringRef S, uint32_t MaxLen);
26 std::string truncateStringMiddle(StringRef S, uint32_t MaxLen);
27 std::string truncateStringFront(StringRef S, uint32_t MaxLen);
28 std::string truncateQuotedNameFront(StringRef Label, StringRef Name,
30 std::string truncateQuotedNameBack(StringRef Label, StringRef Name,
33 #define PUSH_MASKED_FLAG(Enum, Mask, TheOpt, Value, Text) \
34 if (Enum::TheOpt == (Value & Mask)) \
37 #define PUSH_FLAG(Enum, TheOpt, Value, Text) \
38 PUSH_MASKED_FLAG(Enum, Enum::TheOpt, TheOpt, Value, Text)
40 #define RETURN_CASE(Enum, X, Ret) \
44 template <typename T> std::string formatUnknownEnum(T Value) {
45 return formatv("unknown ({0})",
46 static_cast<typename std::underlying_type<T>::type>(Value))
50 std::string formatSegmentOffset(uint16_t Segment, uint32_t Offset);
52 std::string typesetItemList(ArrayRef<std::string> Opts, uint32_t IndentLevel,
53 uint32_t GroupSize, StringRef Sep);
55 std::string typesetStringList(uint32_t IndentLevel,
56 ArrayRef<StringRef> Strings);
58 /// Returns the number of digits in the given integer.
59 inline int NumDigits(uint64_t N) {
76 if (N < 1000000000ULL)
78 if (N < 10000000000ULL)
80 if (N < 100000000000ULL)
82 if (N < 1000000000000ULL)
84 if (N < 10000000000000ULL)
86 if (N < 100000000000000ULL)
88 if (N < 1000000000000000ULL)
90 if (N < 10000000000000000ULL)
92 if (N < 100000000000000000ULL)
94 if (N < 1000000000000000000ULL)
96 if (N < 10000000000000000000ULL)
102 template <typename T>
103 struct EndianAdapter final
104 : public FormatAdapter<support::detail::packed_endian_specific_integral<
105 T, support::little, support::unaligned>> {
107 support::detail::packed_endian_specific_integral<T, support::little,
110 explicit EndianAdapter(EndianType &&Item)
111 : FormatAdapter<EndianType>(std::move(Item)) {}
113 void format(llvm::raw_ostream &Stream, StringRef Style) {
114 format_provider<T>::format(static_cast<T>(this->Item), Stream, Style);
117 } // namespace detail
119 template <typename T>
120 detail::EndianAdapter<T>
121 fmtle(support::detail::packed_endian_specific_integral<T, support::little,
124 return detail::EndianAdapter<T>(std::move(Value));