llvm-project/clang/lib/Tooling/Refactoring/Rename/SymbolOccurrences.cpp

36 lines
1.4 KiB
C++

//===--- 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()));
}
}