SymbolOccurrences.cpp revision 360784 
1//===--- SymbolOccurrences.cpp - Clang refactoring library ----------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "clang/Tooling/Refactoring/Rename/SymbolOccurrences.h"
10#include "clang/Tooling/Refactoring/Rename/SymbolName.h"
11#include "llvm/ADT/STLExtras.h"
12
13using namespace clang;
14using namespace tooling;
15
16SymbolOccurrence::SymbolOccurrence(const SymbolName &Name, OccurrenceKind Kind,
17                                   ArrayRef<SourceLocation> Locations)
18    : Kind(Kind) {
19  ArrayRef<std::string> NamePieces = Name.getNamePieces();
20  assert(Locations.size() == NamePieces.size() &&
21         "mismatching number of locations and lengths");
22  assert(!Locations.empty() && "no locations");
23  if (Locations.size() == 1) {
24    RangeOrNumRanges = SourceRange(
25        Locations[0], Locations[0].getLocWithOffset(NamePieces[0].size()));
26    return;
27  }
28  MultipleRanges = std::make_unique<SourceRange[]>(Locations.size());
29  RangeOrNumRanges.setBegin(
30      SourceLocation::getFromRawEncoding(Locations.size()));
31  for (const auto &Loc : llvm::enumerate(Locations)) {
32    MultipleRanges[Loc.index()] = SourceRange(
33        Loc.value(),
34        Loc.value().getLocWithOffset(NamePieces[Loc.index()].size()));
35  }
36}
37