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139 lines
4.6 KiB
C
139 lines
4.6 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla SpiderMonkey JavaScript 1.9 code, released
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* May 28, 2008.
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*
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* The Initial Developer of the Original Code is
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* Jim Blandy <jimb@mozilla.org>
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef jsinttypes_h___
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#define jsinttypes_h___
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#include "js-config.h"
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/*
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* Types:
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* JSInt<N>, JSUint<N> (for <N> = 8, 16, 32, and 64)
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* JSIntPtr, JSUIntPtr
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*
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* JSInt<N> and JSUint<N> are signed and unsigned types known to be
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* <N> bits long. Note that neither JSInt8 nor JSUInt8 is necessarily
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* equivalent to a plain "char".
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*
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* JSIntPtr and JSUintPtr are signed and unsigned types capable of
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* holding an object pointer.
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*
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* Use these types in public SpiderMonkey header files, not the
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* corresponding types from the C standard <stdint.h> header. Windows
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* doesn't support <stdint.h>, and Microsoft says it has no plans to
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* do so in the future; this means that projects that embed
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* SpiderMonkey often take matters into their own hands and define the
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* standard types themselves. If we define them in our public
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* headers, our definitions may conflict with embedders' (see bug
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* 479258). The JS* types are in our namespace, and can be used
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* without troubling anyone.
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*
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* Internal SpiderMonkey code wishing to use the type names ISO C
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* defines in the standard header <stdint.h> can #include
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* "jsstdint.h", which provides those types regardless of whether
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* <stdint.h> itself is available.
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*/
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#if defined(JS_HAVE_STDINT_H) || \
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defined(JS_SYS_TYPES_H_DEFINES_EXACT_SIZE_TYPES)
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#if defined(JS_HAVE_STDINT_H)
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#include <stdint.h>
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#else
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#include <sys/types.h>
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#endif
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typedef int8_t JSInt8;
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typedef int16_t JSInt16;
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typedef int32_t JSInt32;
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typedef int64_t JSInt64;
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typedef intptr_t JSIntPtr;
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typedef uint8_t JSUint8;
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typedef uint16_t JSUint16;
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typedef uint32_t JSUint32;
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typedef uint64_t JSUint64;
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typedef uintptr_t JSUintPtr;
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#else
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#if defined(JS_HAVE___INTN)
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typedef __int8 JSInt8;
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typedef __int16 JSInt16;
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typedef __int32 JSInt32;
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typedef __int64 JSInt64;
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typedef unsigned __int8 JSUint8;
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typedef unsigned __int16 JSUint16;
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typedef unsigned __int32 JSUint32;
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typedef unsigned __int64 JSUint64;
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#elif defined(JS_INT8_TYPE)
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typedef signed JS_INT8_TYPE JSInt8;
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typedef signed JS_INT16_TYPE JSInt16;
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typedef signed JS_INT32_TYPE JSInt32;
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typedef signed JS_INT64_TYPE JSInt64;
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typedef unsigned JS_INT8_TYPE JSUint8;
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typedef unsigned JS_INT16_TYPE JSUint16;
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typedef unsigned JS_INT32_TYPE JSUint32;
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typedef unsigned JS_INT64_TYPE JSUint64;
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#else
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#error "couldn't find exact-width integer types"
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#endif
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/* Microsoft Visual C/C++ defines intptr_t and uintptr_t in <stddef.h>. */
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#if defined(JS_STDDEF_H_HAS_INTPTR_T)
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#include <stddef.h>
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typedef intptr_t JSIntPtr;
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typedef uintptr_t JSUintPtr;
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/* Failing that, the configure script will have found something. */
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#elif defined(JS_INTPTR_TYPE)
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typedef signed JS_INTPTR_TYPE JSIntPtr;
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typedef unsigned JS_INTPTR_TYPE JSUintPtr;
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#else
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#error "couldn't find pointer-sized integer types"
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#endif
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#endif /* JS_HAVE_STDINT_H */
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#endif /* jsinttypes_h___ */
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