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