зеркало из https://github.com/mozilla/gecko-dev.git
94 строки
2.9 KiB
C
94 строки
2.9 KiB
C
// -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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//
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// The contents of this file are subject to the Netscape Public
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// License Version 1.1 (the "License"); you may not use this file
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// except in compliance with the License. You may obtain a copy of
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// the License at http://www.mozilla.org/NPL/
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//
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// Software distributed under the License is distributed on an "AS
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// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
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// implied. See the License for the specific language governing
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// rights and limitations under the License.
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//
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// The Original Code is the JavaScript 2 Prototype.
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//
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// The Initial Developer of the Original Code is Netscape
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// Communications Corporation. Portions created by Netscape are
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// Copyright (C) 1998 Netscape Communications Corporation. All
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// Rights Reserved.
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#ifndef systemtypes_h
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#define systemtypes_h
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#include <cstddef>
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#ifdef _WIN32
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// Turn off warnings about identifiers too long in browser information
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#pragma warning(disable: 4786)
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#endif
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// Define int8, int16, int32, int64, uint8, uint16, uint32, uint64, and uint.
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typedef unsigned int uint;
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typedef unsigned char uchar;
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typedef signed char int8;
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typedef unsigned char uint8;
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typedef short int16;
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typedef unsigned short uint16;
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#if !defined(XP_MAC) && !defined(_WIN32)
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typedef int int32;
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typedef unsigned int uint32;
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#else
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typedef long int32;
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typedef unsigned long uint32;
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#endif
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#ifdef _WIN32
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typedef __int64 int64;
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typedef unsigned __int64 uint64;
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#else
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typedef long long int64;
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typedef unsigned long long uint64;
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#endif
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// Define this if the machine natively supports 64-bit integers
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#define NATIVE_INT64
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// Define float32 and float64.
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typedef double float64;
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typedef float float32;
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// A UTF-16 character
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// Use wchar_t on platforms on which wchar_t has 16 bits; otherwise use int16.
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// Note that in C++ wchar_t is a distinct type rather than a typedef for some integral type.
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// Like char, a char16 can be either signed or unsigned at the implementation's discretion.
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#ifdef __GNUC__
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// GCC's wchar_t is 32 bits, so we can't use it.
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typedef uint16 char16;
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typedef uint16 uchar16;
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#else
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typedef wchar_t char16;
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#ifndef _WIN32 // Microsoft VC6 bug: wchar_t should be a built-in type, not a typedef
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typedef wchar_t uchar16;
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#else
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typedef wchar_t uchar16;
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#endif
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#endif
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#ifdef _WIN32
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#define IS_LITTLE_ENDIAN
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#endif
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#ifdef __i386__
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#define IS_LITTLE_ENDIAN
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#endif
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// basicAlignment is the maximum alignment required by any native type. An object aligned to
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// a multiple of basicAlignment can hold any native type. malloc should return a pointer whose
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// lgBasicAlignment least significant bits are clear.
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// Currently basicAlignment is set to 8 to allow doubles and int64s to have their natural alignment;
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// may be customized for individual platforms.
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const uint lgBasicAlignment = 3;
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const uint basicAlignment = 1u<<lgBasicAlignment;
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#endif /* systemtypes_h */
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