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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@364634 91177308-0d34-0410-b5e6-96231b3b80d8
55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
//===- StringTable.h --------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_DEBUGINFO_GSYM_STRINGTABLE_H
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#define LLVM_DEBUGINFO_GSYM_STRINGTABLE_H
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#include "llvm/ADT/Optional.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/DebugInfo/GSYM/Range.h"
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#include <stdint.h>
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#include <string>
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namespace llvm {
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namespace gsym {
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/// String tables in GSYM files are required to start with an empty
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/// string at offset zero. Strings must be UTF8 NULL terminated strings.
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struct StringTable {
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StringRef Data;
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StringTable() : Data() {}
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StringTable(StringRef D) : Data(D) {}
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StringRef operator[](size_t Offset) const { return getString(Offset); }
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StringRef getString(uint32_t Offset) const {
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if (Offset < Data.size()) {
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auto End = Data.find('\0', Offset);
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return Data.substr(Offset, End - Offset);
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}
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return StringRef();
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}
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void clear() { Data = StringRef(); }
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};
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inline raw_ostream &operator<<(raw_ostream &OS, const StringTable &S) {
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OS << "String table:\n";
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uint32_t Offset = 0;
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const size_t Size = S.Data.size();
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while (Offset < Size) {
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StringRef Str = S.getString(Offset);
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OS << HEX32(Offset) << ": \"" << Str << "\"\n";
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Offset += Str.size() + 1;
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}
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return OS;
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}
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} // namespace gsym
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} // namespace llvm
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#endif // #ifndef LLVM_DEBUGINFO_GSYM_STRINGTABLE_H
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