1 /*

     2  * Copyright (C) 2010 Google Inc. All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions are

     6  * met:

     7  *

     8  *     * Redistributions of source code must retain the above copyright

     9  * notice, this list of conditions and the following disclaimer.

    10  *     * Redistributions in binary form must reproduce the above

    11  * copyright notice, this list of conditions and the following disclaimer

    12  * in the documentation and/or other materials provided with the

    13  * distribution.

    14  *     * Neither the name of Google Inc. nor the names of its

    15  * contributors may be used to endorse or promote products derived from

    16  * this software without specific prior written permission.

    17  *

    18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

    19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

    20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

    21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

    22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

    23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

    24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

    25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

    26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    29  */

    30 

    31 #ifndef WebCommon_h

    32 #define WebCommon_h

    33 

    34 // -----------------------------------------------------------------------------

    35 // Default configuration

    36 

    37 #if !defined(WEBKIT_IMPLEMENTATION)

    38     #define WEBKIT_IMPLEMENTATION 0

    39 #endif

    40 

    41 #if !defined(WEBKIT_USING_SKIA)

    42     #if !defined(__APPLE__)

    43         #define WEBKIT_USING_SKIA 1

    44     #else

    45         #define WEBKIT_USING_SKIA 0

    46     #endif

    47 #endif

    48 

    49 #if !defined(WEBKIT_USING_CG)

    50     #if defined(__APPLE__)

    51         #define WEBKIT_USING_CG 1

    52     #else

    53         #define WEBKIT_USING_CG 0

    54     #endif

    55 #endif

    56 

    57 #if !defined(WEBKIT_USING_V8)

    58     #define WEBKIT_USING_V8 1

    59 #endif

    60 

    61 #if !defined(WEBKIT_USING_JSC)

    62     #define WEBKIT_USING_JSC 0

    63 #endif

    64 

    65 // -----------------------------------------------------------------------------

    66 // Exported symbols need to be annotated with WEBKIT_API

    67 

    68 #if defined(WIN32) && defined(WEBKIT_DLL)

    69     #if WEBKIT_IMPLEMENTATION

    70         #define WEBKIT_API __declspec(dllexport)

    71     #else

    72         #define WEBKIT_API __declspec(dllimport)

    73     #endif

    74 #else

    75     #define WEBKIT_API

    76 #endif

    77 

    78 // -----------------------------------------------------------------------------

    79 // Basic types

    80 

    81 #include <stddef.h> // For size_t

    82 

    83 #if defined(WIN32)

    84 // Visual Studio doesn't have stdint.h.

    85 typedef short int16_t;

    86 typedef unsigned short uint16_t;

    87 typedef int int32_t;

    88 typedef unsigned int uint32_t;

    89 #endif

    90 

    91 namespace WebKit {

    92 

    93 // UTF-16 character type

    94 #if defined(WIN32)

    95 typedef wchar_t WebUChar;

    96 #else

    97 typedef unsigned short WebUChar;

    98 #endif

    99 

   100 // -----------------------------------------------------------------------------

   101 // Assertions

   102 

   103 WEBKIT_API void failedAssertion(const char* file, int line, const char* function, const char* assertion);

   104 

   105 } // namespace WebKit

   106 

   107 // Ideally, only use inside the public directory but outside of WEBKIT_IMPLEMENTATION blocks.  (Otherwise use WTF's ASSERT.)

   108 #if defined(NDEBUG)

   109 #define WEBKIT_ASSERT(assertion) ((void)0)

   110 #else

   111 #define WEBKIT_ASSERT(assertion) do { \

   112     if (!(assertion)) \

   113         failedAssertion(__FILE__, __LINE__, __FUNCTION__, #assertion); \

   114 } while (0)

   115 #endif

   116 

   117 #define WEBKIT_ASSERT_NOT_REACHED() WEBKIT_ASSERT(0)

   118 

   119 #endif