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debug.hpp
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/*******************************************************************************
*
* File: debug.hpp
*
* Contents: Facility for debugging
*
* Copyright 2017
*
* Author: David Juhasz (david.juhasz@tuwien.ac.at)
*
******************************************************************************/
#ifndef ROSA_SUPPORT_DEBUG_HPP
#define ROSA_SUPPORT_DEBUG_HPP
#include "rosa/config/config.h"
#include "rosa/support/type_helper.hpp"
#include "rosa/support/terminal_colors.h"
#include <array>
#include <ostream>
namespace rosa {
// Returns an output stream to use for debugging.
std::ostream &dbgs(void);
// Prints an array to the ostream.
template <typename T, size_t size>
std::ostream &operator<<(std::ostream &os, const std::array<T, size> &arr) {
os << '[';
for (unsigned I = 0; I < size; ++I) {
if (I) {
os << ',';
}
os << (PRINTABLE(T)) arr[I];
}
os << ']';
return os;
}
} // End namespace rosa
#ifndef ROSA_ENABLE_ASSERTIONS
#define ASSERT(stmt) ROSA_IGNORE_UNUSED(stmt)
#elif defined(ROSA_WINDOWS)
#define ASSERT(stmt) \
if (static_cast<bool>(stmt) == false) { \
rosa::dbgs() << rosa::terminal::Color::Default << __FILENAME__ << ":" \
<< __LINE__ << ": requirement failed: '" << #stmt << "'" \
<< std::endl; \
::abort(); \
} \
ROSA_VOID_STMT
#else // defined(ROSA_LINUX)
#include <execinfo.h>
#define ASSERT(stmt) \
if (static_cast<bool>(stmt) == false) { \
rosa::dbgs() << rosa::terminal::Color::Default << __FILENAME__ << ":" \
<< __LINE__ << ": requirement failed: '" << #stmt << "'" \
<< std::endl; \
void *array[20]; \
auto bt_size = ::backtrace(array, 20); \
::backtrace_symbols_fd(array, bt_size, 2); \
::abort(); \
} \
ROSA_VOID_STMT
#endif // defined(ROSA_ENABLE_ASSERTIONS)
#ifndef NDEBUG
#define DEBUG(X) \
do { \
X; \
} while (false)
#define DEBUGVAR(V) \
do { \
rosa::dbgs() << rosa::terminal::Color::Default << #V << " (" \
<< __FILENAME__ << ":" << __LINE__ << "): " << (V) \
<< std::endl; \
} while (false)
#else // defined(NDEBUG)
#define DEBUG(X) ROSA_IGNORE_UNUSED(X)
#define DEBUGVAR(X) ROSA_IGNORE_UNUSED(X)
#endif // defined(NDEBUG)
// Static assertions are always emitted to the code.
#define STATIC_ASSERT(COND, DIAG) static_assert((COND), DIAG)
#endif // ROSA_SUPPORT_DEBUG_HPP

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