diff options
Diffstat (limited to 'src/debug.h')
| -rw-r--r-- | src/debug.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/debug.h b/src/debug.h new file mode 100644 index 0000000..84637e1 --- /dev/null +++ b/src/debug.h @@ -0,0 +1,46 @@ +#ifndef __DEBUG_H__ +#define __DEBUG_H__ + +// enforce works like assert but also when NDEBUG is set (i.e., it +// always works). enforce_msg prints message instead of expr + +#if defined NDEBUG +#define debug_msg(msg) +#else +#define debug_msg(msg) cout << "**** DEBUG: " << msg << endl; +#endif + +/* This prints an "Assertion failed" message and aborts. */ +extern "C" void __assert_fail(const char *__assertion, const char *__file, + unsigned int __line, + const char *__function) __THROW + __attribute__((__noreturn__)); + +#define __ASSERT_FUNCTION __PRETTY_FUNCTION__ + +#define enforce(expr) \ + ((expr) \ + ? __ASSERT_VOID_CAST(0) \ + : __assert_fail(__STRING(expr), __FILE__, __LINE__, __ASSERT_FUNCTION)) + +#define enforce_msg(expr, msg) \ + ((expr) ? __ASSERT_VOID_CAST(0) \ + : __assert_fail(msg, __FILE__, __LINE__, __ASSERT_FUNCTION)) + +#define enforce_str(expr, msg) \ + ((expr) \ + ? __ASSERT_VOID_CAST(0) \ + : __assert_fail((msg).c_str(), __FILE__, __LINE__, __ASSERT_FUNCTION)) + +// Helpers to create a unique varname per MACRO +#define COMBINE1(X, Y) X##Y +#define COMBINE(X, Y) COMBINE1(X, Y) + +#define enforce_gsl(expr) \ + auto COMBINE(res, __LINE__) = (expr); \ + (COMBINE(res, __LINE__) == 0 \ + ? __ASSERT_VOID_CAST(0) \ + : __assert_fail(gsl_strerror(COMBINE(res, __LINE__)), __FILE__, \ + __LINE__, __ASSERT_FUNCTION)) + +#endif |