#pragma once

// Copyright (c) 2019 Christoffer Lerno. All rights reserved.
// Use of this source code is governed by the GNU LGPLv3.0 license
// a copy of which can be found in the LICENSE file.

#include <stdio.h>
#include <stdlib.h>


#ifdef NDEBUG
#define REMINDER(_string, ...) do {} while (0)
#define DEBUG_LOG(_string, ...) do {} while(0)
#else
#define REMINDER(_string, ...) do { if (!debug_log) break; printf("TODO: %s -> in %s @ %s:%d\n", _string, __func__, __FILE__, __LINE__ , ##__VA_ARGS__); } while(0)
#define DEBUG_LOG(_string, ...) \
  do {                          \
    if (!debug_log) break; \
    printf("-- DEBUG: "); printf(_string, ##__VA_ARGS__); printf("\n"); \
  } while (0)
#endif

#define FATAL_ERROR(_string, ...) do { error_exit("FATAL ERROR %s -> in %s @ in %s:%d ", _string, __func__, __FILE__, __LINE__, ##__VA_ARGS__); } while(0)

#define ASSERT(_condition, _string, ...) while (!(_condition)) { FATAL_ERROR(_string, ##__VA_ARGS__); }

#define UNREACHABLE FATAL_ERROR("Should be unreachable");

#if (defined(__GNUC__) && __GNUC__ >= 7) || defined(__clang__)
#define FALLTHROUGH __attribute__ ((fallthrough))
#define UNUSED __attribute__((unused))
#define NORETURN __attribute__((noreturn))
#define INLINE __attribute__((always_inline)) static inline
#elif defined(_MSC_VER)
#define FALLTHROUGH ((void)0)
#define INLINE static __forceinline
#define NORETURN __declspec(noreturn)
#define UNUSED
#else
#define INLINE static inline
#define FALLTHROUGH ((void)0)
#define UNUSED
#define NORETURN
#endif



#define TODO FATAL_ERROR("TODO reached");

#define TEST_ASSERT(condition_, string_) while (!(condition_)) { FATAL_ERROR(string_); }
#define TEST_ASSERTF(condition_, string_, ...) while (!(condition_)) { char* str_ = str_printf(string_, __VA_ARGS__); FATAL_ERROR(str_); }

#define EXPECT(_string, _value, _expected) \
 do { long long __tempval1 = _value; long long __tempval2 = _expected; \
    TEST_ASSERT(__tempval1 == __tempval2, "Checking " _string ": expected %lld but was %lld.", __tempval2, __tempval1); } while(0)

void evprintf(const char *format, va_list list);
void eprintf(const char *format, ...);
NORETURN void error_exit(const char *format, ...) ;