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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the JavaScript 2 Prototype.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#ifndef systemtypes_h
#define systemtypes_h

#include <cstddef>

#ifdef _WIN32
 // Turn off warnings about identifiers too long in browser information
#pragma warning(disable: 4786)
#pragma warning(disable: 4711)
#pragma warning(disable: 4710)
// Turn off 'failure to generate copy constructor/assignment operator' warning
#pragma warning(disable: 4610)
#pragma warning(disable: 4512)
#endif


#define MAX_UINT16 (65535)


// Define int8, int16, int32, int64, uint8, uint16, uint32, uint64, and uint.
typedef unsigned int uint;
typedef unsigned char uchar;

typedef signed char int8;
typedef unsigned char uint8;
typedef short int16;
typedef unsigned short uint16;
#ifdef _WIN32
 typedef long int32;
 typedef unsigned long uint32;
 typedef __int64 int64;
 typedef unsigned __int64 uint64;
#else
 typedef int int32;
 typedef unsigned int uint32;
 typedef long long int64;
 typedef unsigned long long uint64;
 using std::size_t;
 using std::ptrdiff_t;
#endif

// Define this if the machine natively supports 64-bit integers
#define NATIVE_INT64
#define JS_HAVE_LONG_LONG

// Define float32 and float64.
typedef double float64;
typedef float float32;

// A UTF-16 character
// Use wchar_t on platforms on which wchar_t has 16 bits; otherwise use int16.
// Note that in C++ wchar_t is a distinct type rather than a typedef for some integral type.
// Like char, a char16 can be either signed or unsigned at the implementation's discretion.
#ifdef __GNUC__
 // GCC's wchar_t is 32 bits, so we can't use it.
 typedef uint16 char16;
 typedef uint16 uchar16;
#else
 typedef wchar_t char16;
 typedef wchar_t uchar16;
#endif

#ifdef _WIN32
#ifndef IS_LITTLE_ENDIAN
 #define IS_LITTLE_ENDIAN
#endif
#endif
#ifdef __i386__
 #define IS_LITTLE_ENDIAN
#endif

// basicAlignment is the maximum alignment required by any native type.  An
// object aligned to a multiple of basicAlignment can hold any native type.
// malloc should return a pointer whose lgBasicAlignment least significant bits
// are clear. Currently basicAlignment is set to 8 to allow doubles and int64s
// to have their natural alignment; may be customized for individual platforms.
const uint lgBasicAlignment = 3;
const uint basicAlignment = 1u<<lgBasicAlignment;

//
// Bit manipulation
//
#ifndef JS_BIT
#define JS_BIT(n)       ((uint32)1 << (n))
#endif
#define JS_BITMASK(n)   (JS_BIT(n) - 1)

#endif /* systemtypes_h */