1 /*
2  * Copyright (C) 2005 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ANDROID_UTILS_DEBUG_H
18 #define ANDROID_UTILS_DEBUG_H
19 
20 #include <stdint.h>
21 #include <sys/types.h>
22 
23 namespace android {
24 // ---------------------------------------------------------------------------
25 
26 #ifdef __cplusplus
27 template<bool> struct CompileTimeAssert;
28 template<> struct CompileTimeAssert<true> {};
29 #define COMPILE_TIME_ASSERT(_exp) \
30     template class CompileTimeAssert< (_exp) >;
31 #endif
32 #define COMPILE_TIME_ASSERT_FUNCTION_SCOPE(_exp) \
33     CompileTimeAssert<( _exp )>();
34 
35 // ---------------------------------------------------------------------------
36 
37 #ifdef __cplusplus
38 template<bool C, typename LSH, typename RHS> struct CompileTimeIfElse;
39 template<typename LHS, typename RHS>
40 struct CompileTimeIfElse<true,  LHS, RHS> { typedef LHS TYPE; };
41 template<typename LHS, typename RHS>
42 struct CompileTimeIfElse<false, LHS, RHS> { typedef RHS TYPE; };
43 #endif
44 
45 // ---------------------------------------------------------------------------
46 }; // namespace android
47 
48 #endif // ANDROID_UTILS_DEBUG_H
49