lldb/tools/lldb-test/FormatUtil.cpp

   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>(0, 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(Data, StartOffset, 32, 4,
  48                                 CurrentIndent + IndentSpaces, 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(Data, Base, 32, 4, CurrentIndent + IndentSpaces,
  62                                 true);
  63   NewLine();
  64   line() << ")";
  65 }