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 
49