//===--- SymbolOccurrences.cpp - Clang refactoring library ----------------===//

//

// 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

//

//===----------------------------------------------------------------------===//

#include "clang/Tooling/Refactoring/Rename/SymbolOccurrences.h"

#include "clang/Tooling/Refactoring/Rename/SymbolName.h"

#include "llvm/ADT/STLExtras.h"

using namespace clang;

using namespace tooling;

SymbolOccurrence::SymbolOccurrence(const SymbolName &Name, OccurrenceKind Kind,

                                   ArrayRef<SourceLocation> Locations)

    : Kind(Kind) {

  ArrayRef<std::string> NamePieces = Name.getNamePieces();

  assert(Locations.size() == NamePieces.size() &&

         "mismatching number of locations and lengths");

  assert(!Locations.empty() && "no locations");

  if (Locations.size() == 1) {

    new (&SingleRange) SourceRange(

        Locations[0], Locations[0].getLocWithOffset(NamePieces[0].size()));

    return;

  }

  MultipleRanges = std::make_unique<SourceRange[]>(Locations.size());

  NumRanges = Locations.size();

  for (const auto &Loc : llvm::enumerate(Locations)) {

    MultipleRanges[Loc.index()] = SourceRange(

        Loc.value(),

        Loc.value().getLocWithOffset(NamePieces[Loc.index()].size()));

  }

}