IntegerLiteralSeparatorFixer.cpp

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//===--- IntegerLiteralSeparatorFixer.cpp -----------------------*- 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
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file implements IntegerLiteralSeparatorFixer that fixes C++ integer
/// literal separators.
///
//===----------------------------------------------------------------------===//
 
#include "IntegerLiteralSeparatorFixer.h"
 
namespace clang {
namespace format {
 
enum class Base { Binary, Decimal, Hex, Other };
 
static Base getBase(const StringRef IntegerLiteral) {
  assert(IntegerLiteral.size() > 1);
 
  if (IntegerLiteral[0] > '0') {
    assert(IntegerLiteral[0] <= '9');
    return Base::Decimal;
  }
 
  assert(