LCOV - code coverage report
Current view: directory - js/src/ctypes - typedefs.h (source / functions) Found Hit Coverage
Test: app.info Lines: 29 29 100.0 %
Date: 2012-06-02 Functions: 203 203 100.0 %

       1                 : /* -*-  Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is js-ctypes.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * The Mozilla Foundation <http://www.mozilla.org/>.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2009
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *  Dan Witte <dwitte@mozilla.com>
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      27                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : 
      39                 : /**
      40                 :  * This header contains the builtin types available for arguments and return
      41                 :  * values, representing their C counterparts. They are listed inside macros
      42                 :  * that the #includer is expected to #define. Format is:
      43                 :  *
      44                 :  * DEFINE_X_TYPE(typename, ctype, ffitype)
      45                 :  *
      46                 :  * where 'typename' is the name of the type constructor (accessible as
      47                 :  * ctypes.typename), 'ctype' is the corresponding C type declaration (from
      48                 :  * which sizeof(ctype) and templated type conversions will be derived), and
      49                 :  * 'ffitype' is the ffi_type to use. (Special types, such as 'void' and the
      50                 :  * pointer, array, and struct types are handled separately.)
      51                 :  */
      52                 : 
      53                 : // If we're not breaking the types out, combine them together under one
      54                 : // DEFINE_TYPE macro. Otherwise, turn off whichever ones we're not using.
      55                 : #if defined(DEFINE_TYPE)
      56                 : #  define DEFINE_CHAR_TYPE(x, y, z)         DEFINE_TYPE(x, y, z)
      57                 : #  define DEFINE_JSCHAR_TYPE(x, y, z)       DEFINE_TYPE(x, y, z)
      58                 : #  define DEFINE_BOOL_TYPE(x, y, z)         DEFINE_TYPE(x, y, z)
      59                 : #  define DEFINE_INT_TYPE(x, y, z)          DEFINE_TYPE(x, y, z)
      60                 : #  define DEFINE_WRAPPED_INT_TYPE(x, y, z)  DEFINE_TYPE(x, y, z)
      61                 : #  define DEFINE_FLOAT_TYPE(x, y, z)        DEFINE_TYPE(x, y, z)
      62                 : #else
      63                 : #  ifndef DEFINE_BOOL_TYPE
      64                 : #    define DEFINE_BOOL_TYPE(x, y, z)
      65                 : #  endif
      66                 : #  ifndef DEFINE_CHAR_TYPE
      67                 : #    define DEFINE_CHAR_TYPE(x, y, z)
      68                 : #  endif
      69                 : #  ifndef DEFINE_JSCHAR_TYPE
      70                 : #    define DEFINE_JSCHAR_TYPE(x, y, z)
      71                 : #  endif
      72                 : #  ifndef DEFINE_INT_TYPE
      73                 : #    define DEFINE_INT_TYPE(x, y, z)
      74                 : #  endif
      75                 : #  ifndef DEFINE_WRAPPED_INT_TYPE
      76                 : #    define DEFINE_WRAPPED_INT_TYPE(x, y, z)
      77                 : #  endif
      78                 : #  ifndef DEFINE_FLOAT_TYPE
      79                 : #    define DEFINE_FLOAT_TYPE(x, y, z)
      80                 : #  endif
      81                 : #endif
      82                 : 
      83                 : // MSVC doesn't have ssize_t. Help it along a little.
      84                 : #ifdef HAVE_SSIZE_T
      85                 : #define CTYPES_SSIZE_T ssize_t
      86                 : #else
      87                 : #define CTYPES_SSIZE_T intptr_t
      88                 : #endif
      89                 : 
      90                 : // Some #defines to make handling of types whose length varies by platform
      91                 : // easier. These could be implemented as configure tests, but the expressions
      92                 : // are all statically resolvable so there's no need. (See CTypes.cpp for the
      93                 : // appropriate PR_STATIC_ASSERTs; they can't go here since this header is
      94                 : // used in places where such asserts are illegal.)
      95                 : #define CTYPES_FFI_BOOL      (sizeof(bool)      == 1 ? ffi_type_uint8  : ffi_type_uint32)
      96                 : #define CTYPES_FFI_LONG      (sizeof(long)      == 4 ? ffi_type_sint32 : ffi_type_sint64)
      97                 : #define CTYPES_FFI_ULONG     (sizeof(long)      == 4 ? ffi_type_uint32 : ffi_type_uint64)
      98                 : #define CTYPES_FFI_SIZE_T    (sizeof(size_t)    == 4 ? ffi_type_uint32 : ffi_type_uint64)
      99                 : #define CTYPES_FFI_SSIZE_T   (sizeof(size_t)    == 4 ? ffi_type_sint32 : ffi_type_sint64)
     100                 : #define CTYPES_FFI_INTPTR_T  (sizeof(uintptr_t) == 4 ? ffi_type_sint32 : ffi_type_sint64)
     101                 : #define CTYPES_FFI_UINTPTR_T (sizeof(uintptr_t) == 4 ? ffi_type_uint32 : ffi_type_uint64)
     102                 : 
     103                 : // The meat.
     104           23149 : DEFINE_BOOL_TYPE       (bool,               bool,               CTYPES_FFI_BOOL)
     105           23387 : DEFINE_INT_TYPE        (int8_t,             int8_t,             ffi_type_sint8)
     106           23357 : DEFINE_INT_TYPE        (int16_t,            int16_t,            ffi_type_sint16)
     107           23614 : DEFINE_INT_TYPE        (int32_t,            int32_t,            ffi_type_sint32)
     108          169594 : DEFINE_INT_TYPE        (uint8_t,            uint8_t,            ffi_type_uint8)
     109           23351 : DEFINE_INT_TYPE        (uint16_t,           uint16_t,           ffi_type_uint16)
     110           23359 : DEFINE_INT_TYPE        (uint32_t,           uint32_t,           ffi_type_uint32)
     111           23356 : DEFINE_INT_TYPE        (short,              short,              ffi_type_sint16)
     112           23351 : DEFINE_INT_TYPE        (unsigned_short,     unsigned short,     ffi_type_uint16)
     113           29125 : DEFINE_INT_TYPE        (int,                int,                ffi_type_sint32)
     114           24564 : DEFINE_INT_TYPE        (unsigned_int,       unsigned int,       ffi_type_uint32)
     115           23332 : DEFINE_WRAPPED_INT_TYPE(int64_t,            int64_t,            ffi_type_sint64)
     116           23334 : DEFINE_WRAPPED_INT_TYPE(uint64_t,           uint64_t,           ffi_type_uint64)
     117           23330 : DEFINE_WRAPPED_INT_TYPE(long,               long,               CTYPES_FFI_LONG)
     118           25277 : DEFINE_WRAPPED_INT_TYPE(unsigned_long,      unsigned long,      CTYPES_FFI_ULONG)
     119           23330 : DEFINE_WRAPPED_INT_TYPE(long_long,          long long,          ffi_type_sint64)
     120           23326 : DEFINE_WRAPPED_INT_TYPE(unsigned_long_long, unsigned long long, ffi_type_uint64)
     121           23654 : DEFINE_WRAPPED_INT_TYPE(size_t,             size_t,             CTYPES_FFI_SIZE_T)
     122           23330 : DEFINE_WRAPPED_INT_TYPE(ssize_t,            CTYPES_SSIZE_T,     CTYPES_FFI_SSIZE_T)
     123           23330 : DEFINE_WRAPPED_INT_TYPE(intptr_t,           intptr_t,           CTYPES_FFI_INTPTR_T)
     124           24654 : DEFINE_WRAPPED_INT_TYPE(uintptr_t,          uintptr_t,          CTYPES_FFI_UINTPTR_T)
     125           23369 : DEFINE_FLOAT_TYPE      (float32_t,          float,              ffi_type_float)
     126           23366 : DEFINE_FLOAT_TYPE      (float64_t,          double,             ffi_type_double)
     127           24353 : DEFINE_FLOAT_TYPE      (float,              float,              ffi_type_float)
     128           23393 : DEFINE_FLOAT_TYPE      (double,             double,             ffi_type_double)
     129           24339 : DEFINE_CHAR_TYPE       (char,               char,               ffi_type_uint8)
     130           23354 : DEFINE_CHAR_TYPE       (signed_char,        signed char,        ffi_type_sint8)
     131           23351 : DEFINE_CHAR_TYPE       (unsigned_char,      unsigned char,      ffi_type_uint8)
     132           23300 : DEFINE_JSCHAR_TYPE     (jschar,             jschar,             ffi_type_uint16)
     133                 : 
     134                 : #undef CTYPES_SSIZE_T
     135                 : #undef CTYPES_FFI_BOOL
     136                 : #undef CTYPES_FFI_LONG
     137                 : #undef CTYPES_FFI_ULONG
     138                 : #undef CTYPES_FFI_SIZE_T
     139                 : #undef CTYPES_FFI_SSIZE_T
     140                 : #undef CTYPES_FFI_INTPTR_T
     141                 : #undef CTYPES_FFI_UINTPTR_T
     142                 : 
     143                 : #undef DEFINE_TYPE
     144                 : #undef DEFINE_CHAR_TYPE
     145                 : #undef DEFINE_JSCHAR_TYPE
     146                 : #undef DEFINE_BOOL_TYPE
     147                 : #undef DEFINE_INT_TYPE
     148                 : #undef DEFINE_WRAPPED_INT_TYPE
     149                 : #undef DEFINE_FLOAT_TYPE
     150                 : 

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