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//===- llvm/CodeGen/DwarfStringPoolEntry.h - String pool entry --*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_DWARFSTRINGPOOLENTRY_H
#define LLVM_CODEGEN_DWARFSTRINGPOOLENTRY_H
#include "llvm/ADT/StringMap.h"
namespace llvm {
class MCSymbol;
/// Data for a string pool entry.
struct DwarfStringPoolEntry {
MCSymbol *Symbol;
unsigned Offset;
unsigned Index;
};
/// String pool entry reference.
struct DwarfStringPoolEntryRef {
const StringMapEntry<DwarfStringPoolEntry> *I = nullptr;
public:
DwarfStringPoolEntryRef() = default;
explicit DwarfStringPoolEntryRef(
const StringMapEntry<DwarfStringPoolEntry> &I)
: I(&I) {}
explicit operator bool() const { return I; }
MCSymbol *getSymbol() const {
assert(I->second.Symbol && "No symbol available!");
return I->second.Symbol;
}
unsigned getOffset() const { return I->second.Offset; }
unsigned getIndex() const { return I->second.Index; }
StringRef getString() const { return I->first(); }
/// Return the entire string pool entry for convenience.
DwarfStringPoolEntry getEntry() const { return I->getValue(); }
bool operator==(const DwarfStringPoolEntryRef &X) const { return I == X.I; }
bool operator!=(const DwarfStringPoolEntryRef &X) const { return I != X.I; }
};
} // end namespace llvm
#endif
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