1/*
2 * Copyright 2018 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7#ifndef SkMacros_DEFINED
8#define SkMacros_DEFINED
9
10/*
11 * Usage: SK_MACRO_CONCAT(a, b) to construct the symbol ab
12 *
13 * SK_MACRO_CONCAT_IMPL_PRIV just exists to make this work. Do not use directly
14 *
15 */
16#define SK_MACRO_CONCAT(X, Y) SK_MACRO_CONCAT_IMPL_PRIV(X, Y)
17#define SK_MACRO_CONCAT_IMPL_PRIV(X, Y) X ## Y
18
19/*
20 * Usage: SK_MACRO_APPEND_LINE(foo) to make foo123, where 123 is the current
21 * line number. Easy way to construct
22 * unique names for local functions or
23 * variables.
24 */
25#define SK_MACRO_APPEND_LINE(name) SK_MACRO_CONCAT(name, __LINE__)
26
27////////////////////////////////////////////////////////////////////////////////
28
29// Can be used to bracket data types that must be dense, e.g. hash keys.
30#if defined(__clang__) // This should work on GCC too, but GCC diagnostic pop didn't seem to work!
31 #define SK_BEGIN_REQUIRE_DENSE _Pragma("GCC diagnostic push") \
32 _Pragma("GCC diagnostic error \"-Wpadded\"")
33 #define SK_END_REQUIRE_DENSE _Pragma("GCC diagnostic pop")
34#else
35 #define SK_BEGIN_REQUIRE_DENSE
36 #define SK_END_REQUIRE_DENSE
37#endif
38
39#define SK_INIT_TO_AVOID_WARNING = 0
40
41#endif // SkMacros_DEFINED
42