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
~Line()16 LinePrinter::Line::~Line() {
17 if (P)
18 P->NewLine();
19 }
20
LinePrinter(int Indent,llvm::raw_ostream & Stream)21 LinePrinter::LinePrinter(int Indent, llvm::raw_ostream &Stream)
22 : OS(Stream), IndentSpaces(Indent), CurrentIndent(0) {}
23
Indent(uint32_t Amount)24 void LinePrinter::Indent(uint32_t Amount) {
25 if (Amount == 0)
26 Amount = IndentSpaces;
27 CurrentIndent += Amount;
28 }
29
Unindent(uint32_t Amount)30 void LinePrinter::Unindent(uint32_t Amount) {
31 if (Amount == 0)
32 Amount = IndentSpaces;
33 CurrentIndent = std::max<int>(0, CurrentIndent - Amount);
34 }
35
NewLine()36 void LinePrinter::NewLine() {
37 OS << "\n";
38 }
39
formatBinary(StringRef Label,ArrayRef<uint8_t> Data,uint32_t StartOffset)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(Data, StartOffset, 32, 4,
48 CurrentIndent + IndentSpaces, true);
49 NewLine();
50 line() << ")";
51 }
52
formatBinary(StringRef Label,ArrayRef<uint8_t> Data,uint64_t Base,uint32_t StartOffset)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(Data, Base, 32, 4, CurrentIndent + IndentSpaces,
62 true);
63 NewLine();
64 line() << ")";
65 }
66