third_party/WebKit/public/platform/WebCommon.h

   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 #if !defined(BLINK_IMPLEMENTATION)
  35 #define BLINK_IMPLEMENTATION 0
  36 #endif
  37
  38 #if !defined(BLINK_PLATFORM_IMPLEMENTATION)
  39 #define BLINK_PLATFORM_IMPLEMENTATION 0
  40 #endif
  41
  42 #if !defined(BLINK_COMMON_IMPLEMENTATION)
  43 #define BLINK_COMMON_IMPLEMENTATION 0
  44 #endif
  45
  46 #if defined(COMPONENT_BUILD)
  47     #if defined(WIN32)
  48         #if BLINK_IMPLEMENTATION
  49             #define BLINK_EXPORT __declspec(dllexport)
  50         #else // BLINK_IMPLEMENTATION
  51             #define BLINK_EXPORT __declspec(dllimport)
  52         #endif
  53         #if BLINK_PLATFORM_IMPLEMENTATION
  54             #define BLINK_PLATFORM_EXPORT __declspec(dllexport)
  55         #else // BLINK_PLATFORM_IMPLEMENTATION
  56             #define BLINK_PLATFORM_EXPORT __declspec(dllimport)
  57         #endif
  58         #if BLINK_COMMON_IMPLEMENTATION
  59             #define BLINK_COMMON_EXPORT __declspec(dllexport)
  60         #else // BLINK_COMMON_IMPLEMENTATION
  61             #define BLINK_COMMON_EXPORT __declspec(dllimport)
  62         #endif
  63     #else // defined(WIN32)
  64         #define BLINK_EXPORT __attribute__((visibility("default")))
  65         #define BLINK_PLATFORM_EXPORT __attribute__((visibility("default")))
  66         #define BLINK_COMMON_EXPORT __attribute__((visibility("default")))
  67     #endif
  68
  69     #if BLINK_IMPLEMENTATION && !BLINK_CORE_IMPLEMENTATION && !BLINK_MODULES_IMPLEMENTATION
  70         #define BLINK_WEB_IMPLEMENTATION 1
  71     #else
  72         #define BLINK_WEB_IMPLEMENTATION 0
  73     #endif
  74 #else // defined(COMPONENT_BUILD)
  75     #define BLINK_EXPORT
  76     #define BLINK_PLATFORM_EXPORT
  77     #define BLINK_COMMON_EXPORT
  78
  79     #define BLINK_WEB_IMPLEMENTATION 0
  80 #endif
  81
  82
  83 // -----------------------------------------------------------------------------
  84 // Basic types
  85
  86 #include <stddef.h> // For size_t
  87 #include <stdint.h> // For int32_t
  88
  89 namespace blink {
  90
  91 // UTF-32 character type
  92 typedef int32_t WebUChar32;
  93
  94 // UTF-16 character type
  95 #if defined(WIN32)
  96 typedef wchar_t WebUChar;
  97 #else
  98 typedef unsigned short WebUChar;
  99 #endif
 100
 101 // Latin-1 character type
 102 typedef unsigned char WebLChar;
 103
 104 // -----------------------------------------------------------------------------
 105 // Assertions
 106
 107 BLINK_COMMON_EXPORT void failedAssertion(const char* file, int line, const char* function, const char* assertion);
 108
 109 } // namespace blink
 110
 111 // Ideally, only use inside the public directory but outside of INSIDE_BLINK blocks.  (Otherwise use WTF's ASSERT.)
 112 #if defined(NDEBUG)
 113 #define BLINK_ASSERT(assertion) ((void)0)
 114 #else
 115 #define BLINK_ASSERT(assertion) do { \
 116     if (!(assertion)) \
 117         failedAssertion(__FILE__, __LINE__, __FUNCTION__, #assertion); \
 118 } while (0)
 119 #endif
 120
 121 #define BLINK_ASSERT_NOT_REACHED() BLINK_ASSERT(0)
 122
 123 #endif