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8b022e96fb
This resubmits commit c0c249e9f2ef83e1d1e5f166b50673d92f3579d7. It was broken due to some weird template issues, which have since been fixed. llvm-svn: 305517
121 lines
3.4 KiB
C++
121 lines
3.4 KiB
C++
//===- FormatUtil.h ------------------------------------------- *- C++ --*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVMPDBUTIL_FORMAT_UTIL_H
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#define LLVM_TOOLS_LLVMPDBUTIL_FORMAT_UTIL_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/Endian.h"
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#include "llvm/Support/FormatAdapters.h"
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#include "llvm/Support/FormatVariadic.h"
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#include <string>
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#include <type_traits>
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namespace llvm {
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namespace pdb {
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#define PUSH_MASKED_FLAG(Enum, Mask, TheOpt, Value, Text) \
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if (Enum::TheOpt == (Value & Mask)) \
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Opts.push_back(Text);
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#define PUSH_FLAG(Enum, TheOpt, Value, Text) \
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PUSH_MASKED_FLAG(Enum, Enum::TheOpt, TheOpt, Value, Text)
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#define RETURN_CASE(Enum, X, Ret) \
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case Enum::X: \
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return Ret;
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template <typename T> static std::string formatUnknownEnum(T Value) {
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return formatv("unknown ({0})",
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static_cast<typename std::underlying_type<T>::type>(Value))
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.str();
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}
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std::string formatSegmentOffset(uint16_t Segment, uint32_t Offset);
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std::string typesetItemList(ArrayRef<std::string> Opts, uint32_t IndentLevel,
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uint32_t GroupSize, StringRef Sep);
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std::string typesetStringList(uint32_t IndentLevel,
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ArrayRef<StringRef> Strings);
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/// Returns the number of digits in the given integer.
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inline int NumDigits(uint64_t N) {
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if (N < 10ULL)
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return 1;
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if (N < 100ULL)
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return 2;
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if (N < 1000ULL)
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return 3;
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if (N < 10000ULL)
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return 4;
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if (N < 100000ULL)
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return 5;
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if (N < 1000000ULL)
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return 6;
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if (N < 10000000ULL)
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return 7;
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if (N < 100000000ULL)
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return 8;
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if (N < 1000000000ULL)
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return 9;
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if (N < 10000000000ULL)
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return 10;
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if (N < 100000000000ULL)
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return 11;
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if (N < 1000000000000ULL)
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return 12;
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if (N < 10000000000000ULL)
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return 13;
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if (N < 100000000000000ULL)
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return 14;
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if (N < 1000000000000000ULL)
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return 15;
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if (N < 10000000000000000ULL)
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return 16;
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if (N < 100000000000000000ULL)
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return 17;
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if (N < 1000000000000000000ULL)
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return 18;
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if (N < 10000000000000000000ULL)
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return 19;
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return 20;
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}
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namespace detail {
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template <typename T>
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struct EndianAdapter final
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: public FormatAdapter<support::detail::packed_endian_specific_integral<
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T, support::little, support::unaligned>> {
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using EndianType =
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support::detail::packed_endian_specific_integral<T, support::little,
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support::unaligned>;
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explicit EndianAdapter(EndianType &&Item)
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: FormatAdapter<EndianType>(std::move(Item)) {}
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void format(llvm::raw_ostream &Stream, StringRef Style) {
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format_provider<T>::format(static_cast<T>(this->Item), Stream, Style);
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}
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};
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} // namespace detail
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template <typename T>
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detail::EndianAdapter<T>
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fmtle(support::detail::packed_endian_specific_integral<T, support::little,
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support::unaligned>
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Value) {
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return detail::EndianAdapter<T>(std::move(Value));
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}
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}
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} // namespace llvm
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#endif
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