/usr/include/llvm-6.0/llvm/MC/StringTableBuilder.h is in llvm-6.0-dev 1:6.0-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | //===- StringTableBuilder.h - String table building utility -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_MC_STRINGTABLEBUILDER_H
#define LLVM_MC_STRINGTABLEBUILDER_H
#include "llvm/ADT/CachedHashString.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringRef.h"
#include <cstddef>
#include <cstdint>
namespace llvm {
class raw_ostream;
/// \brief Utility for building string tables with deduplicated suffixes.
class StringTableBuilder {
public:
enum Kind { ELF, WinCOFF, MachO, RAW };
private:
DenseMap<CachedHashStringRef, size_t> StringIndexMap;
size_t Size = 0;
Kind K;
unsigned Alignment;
bool Finalized = false;
void finalizeStringTable(bool Optimize);
void initSize();
public:
StringTableBuilder(Kind K, unsigned Alignment = 1);
~StringTableBuilder();
/// \brief Add a string to the builder. Returns the position of S in the
/// table. The position will be changed if finalize is used.
/// Can only be used before the table is finalized.
size_t add(CachedHashStringRef S);
size_t add(StringRef S) { return add(CachedHashStringRef(S)); }
/// \brief Analyze the strings and build the final table. No more strings can
/// be added after this point.
void finalize();
/// Finalize the string table without reording it. In this mode, offsets
/// returned by add will still be valid.
void finalizeInOrder();
/// \brief Get the offest of a string in the string table. Can only be used
/// after the table is finalized.
size_t getOffset(CachedHashStringRef S) const;
size_t getOffset(StringRef S) const {
return getOffset(CachedHashStringRef(S));
}
size_t getSize() const { return Size; }
void clear();
void write(raw_ostream &OS) const;
void write(uint8_t *Buf) const;
private:
bool isFinalized() const { return Finalized; }
};
} // end namespace llvm
#endif // LLVM_MC_STRINGTABLEBUILDER_H
|