mfbt/Array.h
author Ehsan Akhgari <ehsan@mozilla.com>
Sat, 21 Mar 2015 12:28:04 -0400
changeset 265233 ac4464790ec4896a5188fa50cfc69ae0ffeddc08
parent 206102 038794b1a5bc9886976d9eac1d626f7b31e027b3
child 303600 c3e202bf0f25772c0eb34078db586449e51ccd00
permissions -rw-r--r--
Bug 1145631 - Part 1: Replace MOZ_OVERRIDE and MOZ_FINAL with override and final in the tree; r=froydnj This patch was automatically generated using the following script: function convert() { echo "Converting $1 to $2..." find . \ ! -wholename "*/.git*" \ ! -wholename "obj-ff-dbg*" \ -type f \ \( -iname "*.cpp" \ -o -iname "*.h" \ -o -iname "*.c" \ -o -iname "*.cc" \ -o -iname "*.idl" \ -o -iname "*.ipdl" \ -o -iname "*.ipdlh" \ -o -iname "*.mm" \) | \ xargs -n 1 sed -i -e "s/\b$1\b/$2/g" } convert MOZ_OVERRIDE override convert MOZ_FINAL final

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/* A compile-time constant-length array with bounds-checking assertions. */

#ifndef mozilla_Array_h
#define mozilla_Array_h

#include "mozilla/Assertions.h"
#include "mozilla/Attributes.h"

#include <stddef.h>

namespace mozilla {

template<typename T, size_t Length>
class Array
{
  T mArr[Length];

public:
  T& operator[](size_t aIndex)
  {
    MOZ_ASSERT(aIndex < Length);
    return mArr[aIndex];
  }

  const T& operator[](size_t aIndex) const
  {
    MOZ_ASSERT(aIndex < Length);
    return mArr[aIndex];
  }
};

template<typename T>
class Array<T, 0>
{
public:
  T& operator[](size_t aIndex)
  {
    MOZ_CRASH("indexing into zero-length array");
  }

  const T& operator[](size_t aIndex) const
  {
    MOZ_CRASH("indexing into zero-length array");
  }
};

}  /* namespace mozilla */

#endif /* mozilla_Array_h */