Bitcoin Core  0.20.99
P2P Digital Currency
check.h
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1 // Copyright (c) 2019 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 
5 #ifndef BITCOIN_UTIL_CHECK_H
6 #define BITCOIN_UTIL_CHECK_H
7 
8 #if defined(HAVE_CONFIG_H)
10 #endif
11 
12 #include <tinyformat.h>
13 
14 #include <stdexcept>
15 
16 class NonFatalCheckError : public std::runtime_error
17 {
18  using std::runtime_error::runtime_error;
19 };
20 
32 #define CHECK_NONFATAL(condition) \
33  do { \
34  if (!(condition)) { \
35  throw NonFatalCheckError( \
36  strprintf("%s:%d (%s)\n" \
37  "Internal bug detected: '%s'\n" \
38  "You may report this issue here: %s\n", \
39  __FILE__, __LINE__, __func__, \
40  (#condition), \
41  PACKAGE_BUGREPORT)); \
42  } \
43  } while (false)
44 
45 #if defined(NDEBUG)
46 #error "Cannot compile without assertions!"
47 #endif
48 
50 template <typename T>
51 T get_pure_r_value(T&& val)
52 {
53  return std::forward<T>(val);
54 }
55 
57 #define Assert(val) [&]() -> decltype(get_pure_r_value(val)) { auto&& check = (val); assert(#val && check); return std::forward<decltype(get_pure_r_value(val))>(check); }()
58 
59 #endif // BITCOIN_UTIL_CHECK_H
T get_pure_r_value(T &&val)
Helper for Assert().
Definition: check.h:51