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