1 | //===- FormatUtil.cpp ----------------------------------------- *- 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 | #include "FormatUtil.h" |
10 | #include "llvm/Support/Format.h" |
11 | #include "llvm/Support/FormatVariadic.h" |
12 | |
13 | using namespace lldb_private; |
14 | using namespace llvm; |
15 | |
16 | LinePrinter::Line::~Line() { |
17 | if (P) |
18 | P->NewLine(); |
19 | } |
20 | |
21 | LinePrinter::LinePrinter(int Indent, llvm::raw_ostream &Stream) |
22 | : OS(Stream), IndentSpaces(Indent), CurrentIndent(0) {} |
23 | |
24 | void LinePrinter::Indent(uint32_t Amount) { |
25 | if (Amount == 0) |
26 | Amount = IndentSpaces; |
27 | CurrentIndent += Amount; |
28 | } |
29 | |
30 | void LinePrinter::Unindent(uint32_t Amount) { |
31 | if (Amount == 0) |
32 | Amount = IndentSpaces; |
33 | CurrentIndent = std::max<int>(a: 0, b: CurrentIndent - Amount); |
34 | } |
35 | |
36 | void LinePrinter::NewLine() { |
37 | OS << "\n" ; |
38 | } |
39 | |
40 | void LinePrinter::formatBinary(StringRef Label, ArrayRef<uint8_t> Data, |
41 | uint32_t StartOffset) { |
42 | if (Data.empty()) { |
43 | line() << Label << " ()" ; |
44 | return; |
45 | } |
46 | line() << Label << " (" ; |
47 | OS << format_bytes_with_ascii(Bytes: Data, FirstByteOffset: StartOffset, NumPerLine: 32, ByteGroupSize: 4, |
48 | IndentLevel: CurrentIndent + IndentSpaces, Upper: true); |
49 | NewLine(); |
50 | line() << ")" ; |
51 | } |
52 | |
53 | void LinePrinter::formatBinary(StringRef Label, ArrayRef<uint8_t> Data, |
54 | uint64_t Base, uint32_t StartOffset) { |
55 | if (Data.empty()) { |
56 | line() << Label << " ()" ; |
57 | return; |
58 | } |
59 | line() << Label << " (" ; |
60 | Base += StartOffset; |
61 | OS << format_bytes_with_ascii(Bytes: Data, FirstByteOffset: Base, NumPerLine: 32, ByteGroupSize: 4, IndentLevel: CurrentIndent + IndentSpaces, |
62 | Upper: true); |
63 | NewLine(); |
64 | line() << ")" ; |
65 | } |
66 | |