1//===- FormatUtil.h ------------------------------------------- *- 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 LLDB_TOOLS_LLDB_TEST_FORMATUTIL_H
10#define LLDB_TOOLS_LLDB_TEST_FORMATUTIL_H
11
12#include "llvm/ADT/ArrayRef.h"
13#include "llvm/ADT/StringRef.h"
14#include "llvm/ADT/Twine.h"
15#include "llvm/Support/FormatVariadic.h"
16#include "llvm/Support/raw_ostream.h"
17
18#include <list>
19
20namespace lldb_private {
21
22class LinePrinter {
23 llvm::raw_ostream &OS;
24 int IndentSpaces;
25 int CurrentIndent;
26
27public:
28 class Line {
29 LinePrinter *P;
30
31 public:
32 Line(LinePrinter &P) : P(&P) { P.OS.indent(NumSpaces: P.CurrentIndent); }
33 ~Line();
34
35 Line(Line &&RHS) : P(RHS.P) { RHS.P = nullptr; }
36 void operator=(Line &&) = delete;
37
38 operator llvm::raw_ostream &() { return P->OS; }
39 };
40
41 LinePrinter(int Indent, llvm::raw_ostream &Stream);
42
43 void Indent(uint32_t Amount = 0);
44 void Unindent(uint32_t Amount = 0);
45 void NewLine();
46
47 void printLine(const llvm::Twine &T) { line() << T; }
48 template <typename... Ts> void formatLine(const char *Fmt, Ts &&... Items) {
49 printLine(T: llvm::formatv(Fmt, std::forward<Ts>(Items)...));
50 }
51
52 void formatBinary(llvm::StringRef Label, llvm::ArrayRef<uint8_t> Data,
53 uint32_t StartOffset);
54 void formatBinary(llvm::StringRef Label, llvm::ArrayRef<uint8_t> Data,
55 uint64_t BaseAddr, uint32_t StartOffset);
56
57 Line line() { return Line(*this); }
58 int getIndentLevel() const { return CurrentIndent; }
59};
60
61struct AutoIndent {
62 explicit AutoIndent(LinePrinter &L, uint32_t Amount = 0)
63 : L(&L), Amount(Amount) {
64 L.Indent(Amount);
65 }
66 ~AutoIndent() {
67 if (L)
68 L->Unindent(Amount);
69 }
70
71 LinePrinter *L = nullptr;
72 uint32_t Amount = 0;
73};
74
75} // namespace lldb_private
76
77#endif
78

source code of lldb/tools/lldb-test/FormatUtil.h