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//===- LookupResult.h -------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_DEBUGINFO_GSYM_LOOKUPRESULT_H
#define LLVM_DEBUGINFO_GSYM_LOOKUPRESULT_H

#include "llvm/DebugInfo/GSYM/Range.h"
#include "llvm/ADT/StringRef.h"
#include <inttypes.h>
#include <vector>

namespace llvm {
class raw_ostream;
namespace gsym {
struct FileEntry;

struct SourceLocation {
  StringRef Name; ///< Function or symbol name.
  StringRef Dir; ///< Line entry source file directory path.
  StringRef Base; ///< Line entry source file basename.
  uint32_t Line = 0; ///< Source file line number.
};

inline bool operator==(const SourceLocation &LHS, const SourceLocation &RHS) {
  return LHS.Name == RHS.Name && LHS.Dir == RHS.Dir &&
         LHS.Base == RHS.Base && LHS.Line == RHS.Line;
}

raw_ostream &operator<<(raw_ostream &OS, const SourceLocation &R);

using SourceLocations = std::vector<SourceLocation>;


struct LookupResult {
  uint64_t LookupAddr = 0; ///< The address that this lookup pertains to.
  AddressRange FuncRange; ///< The concrete function address range.
  StringRef FuncName; ///< The concrete function name that contains LookupAddr.
  /// The source locations that match this address. This information will only
  /// be filled in if the FunctionInfo contains a line table. If an address is
  /// for a concrete function with no inlined functions, this array will have
  /// one entry. If an address points to an inline function, there will be one
  /// SourceLocation for each inlined function with the last entry pointing to
  /// the concrete function itself. This allows one address to generate
  /// multiple locations and allows unwinding of inline call stacks. The
  /// deepest inline function will appear at index zero in the source locations
  /// array, and the concrete function will appear at the end of the array.
  SourceLocations Locations;
  std::string getSourceFile(uint32_t Index) const;
};

raw_ostream &operator<<(raw_ostream &OS, const LookupResult &R);

} // namespace gsym
} // namespace llvm

#endif // #ifndef LLVM_DEBUGINFO_GSYM_LOOKUPRESULT_H