NativeFormatting.h

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//===- NativeFormatting.h - Low level formatting helpers ---------*- C++-*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_SUPPORT_NATIVEFORMATTING_H
#define LLVM_SUPPORT_NATIVEFORMATTING_H
 
#include <cstdint>
#include <optional>
 
namespace llvm {
class raw_ostream;
enum class FloatStyle { Exponent, ExponentUpper, Fixed, Percent };
enum class IntegerStyle {
  Integer,
  Number,
};
enum class HexPrintStyle { Upper, Lower, PrefixUpper, PrefixLower };
 
size_t getDefaultPrecision(FloatStyle Style);
 
bool isPrefixedHexStyle(HexPrintStyle S);
 
void write_integer(raw_ostream &S, unsigned int N, size_t MinDigits,
                   IntegerStyle Style);
void write_integer(raw_ostream &S, int N, size_t MinDigits, IntegerStyle Style);
void write_integer(raw_ostream &S, unsigned long N, size_t MinDigits,
                   IntegerStyle Style);
void write_integer(raw_ostream &S, long N, size_t MinDigits,
                   IntegerStyle Style);
void write_integer(raw_ostream &S, unsigned long long N, size_t MinDigits,
                   IntegerStyle Style);
void write_integer(raw_ostream &S, long long N, size_t MinDigits,
                   IntegerStyle Style);
 
void write_hex(raw_ostream &S, uint64_t N, HexPrintStyle Style,
               std::optional<size_t> Width = std::nullopt);
void write_double(raw_ostream &S, double D, FloatStyle Style,
                  std::optional<size_t> Precision = std::nullopt);
}
 
#endif