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Diffstat (limited to 'js/src/jsinttypes.h')
| -rw-r--r-- | js/src/jsinttypes.h | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/js/src/jsinttypes.h b/js/src/jsinttypes.h new file mode 100644 index 0000000..5f90eaa --- /dev/null +++ b/js/src/jsinttypes.h @@ -0,0 +1,144 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* ***** 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 Mozilla SpiderMonkey JavaScript 1.9 code, released + * May 28, 2008. + * + * The Initial Developer of the Original Code is + * Jim Blandy <jimb@mozilla.org> + * Portions created by the Initial Developer are Copyright (C) 2009 + * the Initial Developer. All Rights Reserved. + * + * Alternatively, the contents of this file may be used under the terms of + * either of 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 jsinttypes_h___ +#define jsinttypes_h___ + +#include "js-config.h" + +/* + * Types: + * JSInt<N>, JSUint<N> (for <N> = 8, 16, 32, and 64) + * JSIntPtr, JSUIntPtr + * + * JSInt<N> and JSUint<N> are signed and unsigned types known to be + * <N> bits long. Note that neither JSInt8 nor JSUInt8 is necessarily + * equivalent to a plain "char". + * + * JSIntPtr and JSUintPtr are signed and unsigned types capable of + * holding an object pointer. + * + * Use these types in public SpiderMonkey header files, not the + * corresponding types from the C standard <stdint.h> header. Windows + * doesn't support <stdint.h>, and Microsoft says it has no plans to + * do so in the future; this means that projects that embed + * SpiderMonkey often take matters into their own hands and define the + * standard types themselves. If we define them in our public + * headers, our definitions may conflict with embedders' (see bug + * 479258). The JS* types are in our namespace, and can be used + * without troubling anyone. + * + * Internal SpiderMonkey code wishing to use the type names ISO C + * defines in the standard header <stdint.h> can #include + * "jsstdint.h", which provides those types regardless of whether + * <stdint.h> itself is available. + */ + +#if defined(JS_HAVE_STDINT_H) || \ + defined(JS_SYS_TYPES_H_DEFINES_EXACT_SIZE_TYPES) + +#if defined(JS_HAVE_STDINT_H) +#include <stdint.h> +#else +#include <sys/types.h> +#endif + +typedef int8_t JSInt8; +typedef int16_t JSInt16; +typedef int32_t JSInt32; +typedef int64_t JSInt64; +typedef intptr_t JSIntPtr; + +typedef uint8_t JSUint8; +typedef uint16_t JSUint16; +typedef uint32_t JSUint32; +typedef uint64_t JSUint64; +typedef uintptr_t JSUintPtr; + +#else + +#if defined(JS_HAVE___INTN) + +typedef __int8 JSInt8; +typedef __int16 JSInt16; +typedef __int32 JSInt32; +typedef __int64 JSInt64; + +typedef unsigned __int8 JSUint8; +typedef unsigned __int16 JSUint16; +typedef unsigned __int32 JSUint32; +typedef unsigned __int64 JSUint64; + +#elif defined(JS_INT8_TYPE) + +typedef signed JS_INT8_TYPE JSInt8; +typedef signed JS_INT16_TYPE JSInt16; +typedef signed JS_INT32_TYPE JSInt32; +typedef signed JS_INT64_TYPE JSInt64; + +typedef unsigned JS_INT8_TYPE JSUint8; +typedef unsigned JS_INT16_TYPE JSUint16; +typedef unsigned JS_INT32_TYPE JSUint32; +typedef unsigned JS_INT64_TYPE JSUint64; + +#else +#error "couldn't find exact-width integer types" +#endif + +/* Microsoft Visual C/C++ defines intptr_t and uintptr_t in <stddef.h>. */ +#if defined(JS_STDDEF_H_HAS_INTPTR_T) +#include <stddef.h> +typedef intptr_t JSIntPtr; +typedef uintptr_t JSUintPtr; + +/* Windows Mobile defines intptr_t and uintptr_t in <crtdefs.h>. Why not? */ +#elif defined(JS_CRTDEFS_H_HAS_INTPTR_T) +#include <crtdefs.h> +typedef intptr_t JSIntPtr; +typedef uintptr_t JSUintPtr; + +/* Failing that, the configure script will have found something. */ +#elif defined(JS_INTPTR_TYPE) +typedef signed JS_INTPTR_TYPE JSIntPtr; +typedef unsigned JS_INTPTR_TYPE JSUintPtr; + +#else +#error "couldn't find pointer-sized integer types" +#endif + +#endif /* JS_HAVE_STDINT_H */ + +#endif /* jsinttypes_h___ */ |