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Diffstat (limited to 'js/src/ctypes/typedefs.h')
| -rw-r--r-- | js/src/ctypes/typedefs.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/js/src/ctypes/typedefs.h b/js/src/ctypes/typedefs.h new file mode 100644 index 0000000..7e27b8a --- /dev/null +++ b/js/src/ctypes/typedefs.h @@ -0,0 +1,150 @@ +/* -*- Mode: C++; tab-width: 2; 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 js-ctypes. + * + * The Initial Developer of the Original Code is + * The Mozilla Foundation <http://www.mozilla.org/>. + * Portions created by the Initial Developer are Copyright (C) 2009 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * Dan Witte <dwitte@mozilla.com> + * + * 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 ***** */ + +/** + * This header contains the builtin types available for arguments and return + * values, representing their C counterparts. They are listed inside macros + * that the #includer is expected to #define. Format is: + * + * DEFINE_X_TYPE(typename, ctype, ffitype) + * + * where 'typename' is the name of the type constructor (accessible as + * ctypes.typename), 'ctype' is the corresponding C type declaration (from + * which sizeof(ctype) and templated type conversions will be derived), and + * 'ffitype' is the ffi_type to use. (Special types, such as 'void' and the + * pointer, array, and struct types are handled separately.) + */ + +// If we're not breaking the types out, combine them together under one +// DEFINE_TYPE macro. Otherwise, turn off whichever ones we're not using. +#if defined(DEFINE_TYPE) +# define DEFINE_CHAR_TYPE(x, y, z) DEFINE_TYPE(x, y, z) +# define DEFINE_JSCHAR_TYPE(x, y, z) DEFINE_TYPE(x, y, z) +# define DEFINE_BOOL_TYPE(x, y, z) DEFINE_TYPE(x, y, z) +# define DEFINE_INT_TYPE(x, y, z) DEFINE_TYPE(x, y, z) +# define DEFINE_WRAPPED_INT_TYPE(x, y, z) DEFINE_TYPE(x, y, z) +# define DEFINE_FLOAT_TYPE(x, y, z) DEFINE_TYPE(x, y, z) +#else +# ifndef DEFINE_BOOL_TYPE +# define DEFINE_BOOL_TYPE(x, y, z) +# endif +# ifndef DEFINE_CHAR_TYPE +# define DEFINE_CHAR_TYPE(x, y, z) +# endif +# ifndef DEFINE_JSCHAR_TYPE +# define DEFINE_JSCHAR_TYPE(x, y, z) +# endif +# ifndef DEFINE_INT_TYPE +# define DEFINE_INT_TYPE(x, y, z) +# endif +# ifndef DEFINE_WRAPPED_INT_TYPE +# define DEFINE_WRAPPED_INT_TYPE(x, y, z) +# endif +# ifndef DEFINE_FLOAT_TYPE +# define DEFINE_FLOAT_TYPE(x, y, z) +# endif +#endif + +// MSVC doesn't have ssize_t. Help it along a little. +#ifdef HAVE_SSIZE_T +#define CTYPES_SSIZE_T ssize_t +#else +#define CTYPES_SSIZE_T intptr_t +#endif + +// Some #defines to make handling of types whose length varies by platform +// easier. These could be implemented as configure tests, but the expressions +// are all statically resolvable so there's no need. (See CTypes.cpp for the +// appropriate PR_STATIC_ASSERTs; they can't go here since this header is +// used in places where such asserts are illegal.) +#define CTYPES_FFI_BOOL (sizeof(bool) == 1 ? ffi_type_uint8 : ffi_type_uint32) +#define CTYPES_FFI_LONG (sizeof(long) == 4 ? ffi_type_sint32 : ffi_type_sint64) +#define CTYPES_FFI_ULONG (sizeof(long) == 4 ? ffi_type_uint32 : ffi_type_uint64) +#define CTYPES_FFI_SIZE_T (sizeof(size_t) == 4 ? ffi_type_uint32 : ffi_type_uint64) +#define CTYPES_FFI_SSIZE_T (sizeof(size_t) == 4 ? ffi_type_sint32 : ffi_type_sint64) +#define CTYPES_FFI_INTPTR_T (sizeof(uintptr_t) == 4 ? ffi_type_sint32 : ffi_type_sint64) +#define CTYPES_FFI_UINTPTR_T (sizeof(uintptr_t) == 4 ? ffi_type_uint32 : ffi_type_uint64) + +// The meat. +DEFINE_BOOL_TYPE (bool, bool, CTYPES_FFI_BOOL) +DEFINE_INT_TYPE (int8_t, JSInt8, ffi_type_sint8) +DEFINE_INT_TYPE (int16_t, JSInt16, ffi_type_sint16) +DEFINE_INT_TYPE (int32_t, JSInt32, ffi_type_sint32) +DEFINE_INT_TYPE (uint8_t, JSUint8, ffi_type_uint8) +DEFINE_INT_TYPE (uint16_t, JSUint16, ffi_type_uint16) +DEFINE_INT_TYPE (uint32_t, JSUint32, ffi_type_uint32) +DEFINE_INT_TYPE (short, short, ffi_type_sint16) +DEFINE_INT_TYPE (unsigned_short, unsigned short, ffi_type_uint16) +DEFINE_INT_TYPE (int, int, ffi_type_sint32) +DEFINE_INT_TYPE (unsigned_int, unsigned int, ffi_type_uint32) +DEFINE_WRAPPED_INT_TYPE(int64_t, JSInt64, ffi_type_sint64) +DEFINE_WRAPPED_INT_TYPE(uint64_t, JSUint64, ffi_type_uint64) +DEFINE_WRAPPED_INT_TYPE(long, long, CTYPES_FFI_LONG) +DEFINE_WRAPPED_INT_TYPE(unsigned_long, unsigned long, CTYPES_FFI_ULONG) +DEFINE_WRAPPED_INT_TYPE(long_long, long long, ffi_type_sint64) +DEFINE_WRAPPED_INT_TYPE(unsigned_long_long, unsigned long long, ffi_type_uint64) +DEFINE_WRAPPED_INT_TYPE(size_t, size_t, CTYPES_FFI_SIZE_T) +DEFINE_WRAPPED_INT_TYPE(ssize_t, CTYPES_SSIZE_T, CTYPES_FFI_SSIZE_T) +DEFINE_WRAPPED_INT_TYPE(intptr_t, intptr_t, CTYPES_FFI_INTPTR_T) +DEFINE_WRAPPED_INT_TYPE(uintptr_t, uintptr_t, CTYPES_FFI_UINTPTR_T) +DEFINE_FLOAT_TYPE (float32_t, float, ffi_type_float) +DEFINE_FLOAT_TYPE (float64_t, double, ffi_type_double) +DEFINE_FLOAT_TYPE (float, float, ffi_type_float) +DEFINE_FLOAT_TYPE (double, double, ffi_type_double) +DEFINE_CHAR_TYPE (char, char, ffi_type_uint8) +DEFINE_CHAR_TYPE (signed_char, signed char, ffi_type_sint8) +DEFINE_CHAR_TYPE (unsigned_char, unsigned char, ffi_type_uint8) +DEFINE_JSCHAR_TYPE (jschar, jschar, ffi_type_uint16) + +#undef CTYPES_SSIZE_T +#undef CTYPES_FFI_BOOL +#undef CTYPES_FFI_LONG +#undef CTYPES_FFI_ULONG +#undef CTYPES_FFI_SIZE_T +#undef CTYPES_FFI_SSIZE_T +#undef CTYPES_FFI_INTPTR_T +#undef CTYPES_FFI_UINTPTR_T + +#undef DEFINE_TYPE +#undef DEFINE_CHAR_TYPE +#undef DEFINE_JSCHAR_TYPE +#undef DEFINE_BOOL_TYPE +#undef DEFINE_INT_TYPE +#undef DEFINE_WRAPPED_INT_TYPE +#undef DEFINE_FLOAT_TYPE + |