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#else // defined(COMPONENT_BUILD)
69    #define BLINK_EXPORT
70    #define BLINK_PLATFORM_EXPORT
71    #define BLINK_COMMON_EXPORT
72#endif
73
74
75// -----------------------------------------------------------------------------
76// Basic types
77
78#include <stddef.h> // For size_t
79
80#if defined(WIN32)
81// Visual Studio doesn't have stdint.h.
82typedef short int16_t;
83typedef unsigned short uint16_t;
84typedef int int32_t;
85typedef unsigned int uint32_t;
86typedef unsigned __int64 uint64_t;
87#else
88#include <stdint.h> // For int32_t
89#endif
90
91namespace blink {
92
93// UTF-32 character type
94typedef int32_t WebUChar32;
95
96// UTF-16 character type
97#if defined(WIN32)
98typedef wchar_t WebUChar;
99#else
100typedef unsigned short WebUChar;
101#endif
102
103// Latin-1 character type
104typedef unsigned char WebLChar;
105
106// -----------------------------------------------------------------------------
107// Assertions
108
109BLINK_COMMON_EXPORT void failedAssertion(const char* file, int line, const char* function, const char* assertion);
110
111} // namespace blink
112
113// Ideally, only use inside the public directory but outside of INSIDE_BLINK blocks.  (Otherwise use WTF's ASSERT.)
114#if defined(NDEBUG)
115#define BLINK_ASSERT(assertion) ((void)0)
116#else
117#define BLINK_ASSERT(assertion) do { \
118    if (!(assertion)) \
119        failedAssertion(__FILE__, __LINE__, __FUNCTION__, #assertion); \
120} while (0)
121#endif
122
123#define BLINK_ASSERT_NOT_REACHED() BLINK_ASSERT(0)
124
125#endif
126