include/llvm/Support/NativeFormatting.h

   1 //===- NativeFormatting.h - Low level formatting helpers ---------*- C++-*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLVM_SUPPORT_NATIVE_FORMATTING_H
  10 #define LLVM_SUPPORT_NATIVE_FORMATTING_H
  11
  12 #include "llvm/ADT/Optional.h"
  13 #include "llvm/Support/raw_ostream.h"
  14
  15 #include <cstdint>
  16
  17 namespace llvm {
  18 enum class FloatStyle { Exponent, ExponentUpper, Fixed, Percent };
  19 enum class IntegerStyle {
  20   Integer,
  21   Number,
  22 };
  23 enum class HexPrintStyle { Upper, Lower, PrefixUpper, PrefixLower };
  24
  25 size_t getDefaultPrecision(FloatStyle Style);
  26
  27 bool isPrefixedHexStyle(HexPrintStyle S);
  28
  29 void write_integer(raw_ostream &S, unsigned int N, size_t MinDigits,
  30                    IntegerStyle Style);
  31 void write_integer(raw_ostream &S, int N, size_t MinDigits, IntegerStyle Style);
  32 void write_integer(raw_ostream &S, unsigned long N, size_t MinDigits,
  33                    IntegerStyle Style);
  34 void write_integer(raw_ostream &S, long N, size_t MinDigits,
  35                    IntegerStyle Style);
  36 void write_integer(raw_ostream &S, unsigned long long N, size_t MinDigits,
  37                    IntegerStyle Style);
  38 void write_integer(raw_ostream &S, long long N, size_t MinDigits,
  39                    IntegerStyle Style);
  40
  41 void write_hex(raw_ostream &S, uint64_t N, HexPrintStyle Style,
  42                Optional<size_t> Width = None);
  43 void write_double(raw_ostream &S, double D, FloatStyle Style,
  44                   Optional<size_t> Precision = None);
  45 }
  46
  47 #endif
  48