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.
85typedef short int16_t;
86typedef unsigned short uint16_t;
87typedef int int32_t;
88typedef unsigned int uint32_t;
89#endif
90
91namespace WebKit {
92
93// UTF-16 character type
94#if defined(WIN32)
95typedef wchar_t WebUChar;
96#else
97typedef unsigned short WebUChar;
98#endif
99
100// -----------------------------------------------------------------------------
101// Assertions
102
103WEBKIT_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
120