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cuberite-2a/src/Globals.h
Mattes D d1dee3c909 Fixed RasPi builds of unit tests. 
On RasPi with gcc 4.8.2, the asserts wouldn't compile when tests were enabled.
Enforced the assumption that ASSERT code is generated only in Debug builds.
2016-08-04 20:47:53 +02:00

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// Globals.h
// This file gets included from every module in the project, so that global symbols may be introduced easily
// Also used for precompiled header generation in MSVC environments
// Compiler-dependent stuff:
#if defined(_MSC_VER)
// Disable some warnings that we don't care about:
#pragma warning(disable:4100) // Unreferenced formal parameter
// Useful warnings from warning level 4:
#pragma warning(3 : 4189) // Local variable is initialized but not referenced
#pragma warning(3 : 4245) // Conversion from 'type1' to 'type2', signed / unsigned mismatch
#pragma warning(3 : 4310) // Cast truncates constant value
#pragma warning(3 : 4389) // Signed / unsigned mismatch
#pragma warning(3 : 4505) // Unreferenced local function has been removed
#pragma warning(3 : 4701) // Potentially unitialized local variable used
#pragma warning(3 : 4702) // Unreachable code
#pragma warning(3 : 4706) // Assignment within conditional expression
// 2014-10-23 xoft: Disabled this because the new C++11 headers in MSVC produce tons of these warnings uselessly
// #pragma warning(3 : 4127) // Conditional expression is constant
// Disabling this warning, because we know what we're doing when we're doing this:
#pragma warning(disable: 4355) // 'this' used in initializer list
// Disabled because it's useless:
#pragma warning(disable: 4512) // 'class': assignment operator could not be generated - reported for each class that has a reference-type member
#pragma warning(disable: 4351) // new behavior: elements of array 'member' will be default initialized
// 2014_01_06 xoft: Disabled this warning because MSVC is stupid and reports it in obviously wrong places
// #pragma warning(3 : 4244) // Conversion from 'type1' to 'type2', possible loss of data
#define OBSOLETE __declspec(deprecated)
// No alignment needed in MSVC
#define ALIGN_8
#define ALIGN_16
#define FORMATSTRING(formatIndex, va_argsIndex)
// MSVC has its own custom version of zu format
#define SIZE_T_FMT "%Iu"
#define SIZE_T_FMT_PRECISION(x) "%" #x "Iu"
#define SIZE_T_FMT_HEX "%Ix"
#define NORETURN __declspec(noreturn)
// Use non-standard defines in <cmath>
#define _USE_MATH_DEFINES
#elif defined(__GNUC__)
// TODO: Can GCC explicitly mark classes as abstract (no instances can be created)?
#define abstract
// override is part of c++11
#if __cplusplus < 201103L
#define override
#endif
#define OBSOLETE __attribute__((deprecated))
#define ALIGN_8 __attribute__((aligned(8)))
#define ALIGN_16 __attribute__((aligned(16)))
// Some portability macros :)
#define stricmp strcasecmp
#define FORMATSTRING(formatIndex, va_argsIndex) __attribute__((format (printf, formatIndex, va_argsIndex)))
#if defined(_WIN32)
// We're compiling on MinGW, which uses an old MSVCRT library that has no support for size_t printfing.
// We need direct size formats:
#if defined(_WIN64)
#define SIZE_T_FMT "%I64u"
#define SIZE_T_FMT_PRECISION(x) "%" #x "I64u"
#define SIZE_T_FMT_HEX "%I64x"
#else
#define SIZE_T_FMT "%u"
#define SIZE_T_FMT_PRECISION(x) "%" #x "u"
#define SIZE_T_FMT_HEX "%x"
#endif
#else
// We're compiling on Linux, so we can use libc's size_t printf format:
#define SIZE_T_FMT "%zu"
#define SIZE_T_FMT_PRECISION(x) "%" #x "zu"
#define SIZE_T_FMT_HEX "%zx"
#endif
#define NORETURN __attribute((__noreturn__))
#else
#error "You are using an unsupported compiler, you might need to #define some stuff here for your compiler"
#endif
#ifdef _DEBUG
#define NORETURNDEBUG NORETURN
#else
#define NORETURNDEBUG
#endif
#include <stddef.h>
// Integral types with predefined sizes:
typedef signed long long Int64;
typedef signed int Int32;
typedef signed short Int16;
typedef signed char Int8;
typedef unsigned long long UInt64;
typedef unsigned int UInt32;
typedef unsigned short UInt16;
typedef unsigned char UInt8;
typedef unsigned char Byte;
typedef Byte ColourID;
// If you get an error about specialization check the size of integral types
template <typename T, size_t Size, bool x = sizeof(T) == Size>
class SizeChecker;
template <typename T, size_t Size>
class SizeChecker<T, Size, true>
{
T v;
};
template class SizeChecker<Int64, 8>;
template class SizeChecker<Int32, 4>;
template class SizeChecker<Int16, 2>;
template class SizeChecker<Int8, 1>;
template class SizeChecker<UInt64, 8>;
template class SizeChecker<UInt32, 4>;
template class SizeChecker<UInt16, 2>;
template class SizeChecker<UInt8, 1>;
// A macro to disallow the copy constructor and operator = functions
// This should be used in the private: declarations for any class that shouldn't allow copying itself
#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
TypeName(const TypeName &); \
void operator =(const TypeName &)
// A macro that is used to mark unused local variables, to avoid pedantic warnings in gcc / clang / MSVC
// Note that in MSVC it requires the full type of X to be known
#define UNUSED_VAR(X) (void)(X)
// A macro that is used to mark unused function parameters, to avoid pedantic warnings in gcc
// Written so that the full type of param needn't be known
#ifdef _MSC_VER
#define UNUSED(X)
#else
#define UNUSED UNUSED_VAR
#endif
// OS-dependent stuff:
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#define _WIN32_WINNT _WIN32_WINNT_WS03 // We want to target Windows XP with Service Pack 2 & Windows Server 2003 with Service Pack 1 and higher
// Windows SDK defines min and max macros, messing up with our std::min and std::max usage
#define NOMINMAX
#include <Windows.h>
#include <winsock2.h>
#include <Ws2tcpip.h> // IPv6 stuff
// Windows SDK defines GetFreeSpace as a constant, probably a Win16 API remnant
#ifdef GetFreeSpace
#undef GetFreeSpace
#endif // GetFreeSpace
#else
#include <sys/types.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <time.h>
#include <dirent.h>
#include <errno.h>
#include <iostream>
#include <cstdio>
#include <cstring>
#include <pthread.h>
#include <semaphore.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#endif
#if defined(ANDROID_NDK)
#define FILE_IO_PREFIX "/sdcard/Cuberite/"
#else
#define FILE_IO_PREFIX ""
#endif
// CRT stuff:
#include <sys/stat.h>
#include <cassert>
#include <cstdio>
#include <cmath>
#include <cstdarg>
// STL stuff:
#include <array>
#include <chrono>
#include <vector>
#include <list>
#include <deque>
#include <string>
#include <map>
#include <algorithm>
#include <memory>
#include <set>
#include <queue>
#include <limits>
#include <chrono>
// Common headers (part 1, without macros):
#include "StringUtils.h"
#include "OSSupport/CriticalSection.h"
#include "OSSupport/Event.h"
#include "OSSupport/File.h"
#include "OSSupport/StackTrace.h"
#ifndef TEST_GLOBALS
// These functions are defined in Logger.cpp, but are declared here to avoid including all of logger.h
extern void LOG (const char * a_Format, ...) FORMATSTRING(1, 2);
extern void LOGINFO (const char * a_Format, ...) FORMATSTRING(1, 2);
extern void LOGWARNING(const char * a_Format, ...) FORMATSTRING(1, 2);
extern void LOGERROR (const char * a_Format, ...) FORMATSTRING(1, 2);
// In debug builds, translate LOGD to LOG, otherwise leave it out altogether:
#ifdef _DEBUG
#define LOGD LOG
#else
#define LOGD(...)
#endif // _DEBUG
#define LOGWARN LOGWARNING
#else
// Logging functions
void inline LOGERROR(const char * a_Format, ...) FORMATSTRING(1, 2);
void inline LOGERROR(const char * a_Format, ...)
{
va_list argList;
va_start(argList, a_Format);
vprintf(a_Format, argList);
putchar('\n');
fflush(stdout);
va_end(argList);
}
void inline LOGWARNING(const char * a_Format, ...) FORMATSTRING(1, 2);
void inline LOGWARNING(const char * a_Format, ...)
{
va_list argList;
va_start(argList, a_Format);
vprintf(a_Format, argList);
putchar('\n');
fflush(stdout);
va_end(argList);
}
void inline LOGD(const char * a_Format, ...) FORMATSTRING(1, 2);
void inline LOGD(const char * a_Format, ...)
{
va_list argList;
va_start(argList, a_Format);
vprintf(a_Format, argList);
putchar('\n');
fflush(stdout);
va_end(argList);
}
void inline LOG(const char * a_Format, ...) FORMATSTRING(1, 2);
void inline LOG(const char * a_Format, ...)
{
va_list argList;
va_start(argList, a_Format);
vprintf(a_Format, argList);
putchar('\n');
fflush(stdout);
va_end(argList);
}
#define LOGINFO LOG
#define LOGWARN LOGWARNING
#endif
// Common definitions:
/** Evaluates to the number of elements in an array (compile-time!) */
#define ARRAYCOUNT(X) (sizeof(X) / sizeof(*(X)))
/** Allows arithmetic expressions like "32 KiB" (but consider using parenthesis around it, "(32 KiB)") */
#define KiB * 1024
#define MiB * 1024 * 1024
/** Faster than (int)floorf((float)x / (float)div) */
#define FAST_FLOOR_DIV(x, div) (((x) - (((x) < 0) ? ((div) - 1) : 0)) / (div))
// Own version of assert() that writes failed assertions to the log for review
#ifdef TEST_GLOBALS
class cAssertFailure
{
};
#ifdef _WIN32
#if (defined(_MSC_VER) && defined(_DEBUG))
#define DBG_BREAK _CrtDbgBreak()
#else
#define DBG_BREAK
#endif
#define REPORT_ERROR(FMT, ...) \
{ \
AString msg = Printf(FMT, __VA_ARGS__); \
puts(msg.c_str()); \
fflush(stdout); \
OutputDebugStringA(msg.c_str()); \
DBG_BREAK; \
}
#else
#define REPORT_ERROR(FMT, ...) \
{ \
AString msg = Printf(FMT, __VA_ARGS__); \
puts(msg.c_str()); \
fflush(stdout); \
}
#endif
#ifdef _DEBUG
#define ASSERT(x) do { if (!(x)) { throw cAssertFailure();} } while (0)
#define testassert(x) do { if (!(x)) { REPORT_ERROR("Test failure: %s, file %s, line %d\n", #x, __FILE__, __LINE__); exit(1); } } while (0)
#define CheckAsserts(x) do { try {x} catch (cAssertFailure) { break; } REPORT_ERROR("Test failure: assert didn't fire for %s, file %s, line %d\n", #x, __FILE__, __LINE__); exit(1); } while (0)
#else
#define ASSERT(...)
#define testassert(...)
#define CheckAsserts(...) LOG("Assert checking is disabled in Release-mode executables (file %s, line %d)", __FILE__, __LINE__)
#endif
#else
#ifdef _DEBUG
#define ASSERT(x) ( !!(x) || ( LOGERROR("Assertion failed: %s, file %s, line %i", #x, __FILE__, __LINE__), PrintStackTrace(), assert(0), 0))
#else
#define ASSERT(x)
#endif
#endif
// Pretty much the same as ASSERT() but stays in Release builds
#define VERIFY( x) ( !!(x) || ( LOGERROR("Verification failed: %s, file %s, line %i", #x, __FILE__, __LINE__), PrintStackTrace(), exit(1), 0))
// Same as assert but in all Self test builds
#ifdef SELF_TEST
#define assert_test(x) ( !!(x) || (assert(!#x), exit(1), 0))
#endif
// Unified ptr types from before C++11. Also no silly undercores.
#define SharedPtr std::shared_ptr
#define WeakPtr std::weak_ptr
#define UniquePtr std::unique_ptr
/** A generic interface used mainly in ForEach() functions */
template <typename Type> class cItemCallback
{
public:
virtual ~cItemCallback() {}
/** Called for each item in the internal list; return true to stop the loop, or false to continue enumerating */
virtual bool Item(Type * a_Type) = 0;
} ;
/** Clamp X to the specified range. */
template <typename T>
T Clamp(T a_Value, T a_Min, T a_Max)
{
return (a_Value < a_Min) ? a_Min : ((a_Value > a_Max) ? a_Max : a_Value);
}
/** Floors a value, then casts it to C (an int by default) */
template <typename C = int, typename T>
typename std::enable_if<std::is_arithmetic<T>::value, C>::type FloorC(T a_Value)
{
return static_cast<C>(std::floor(a_Value));
}
/** Ceils a value, then casts it to C (an int by default) */
template <typename C = int, typename T>
typename std::enable_if<std::is_arithmetic<T>::value, C>::type CeilC(T a_Value)
{
return static_cast<C>(std::ceil(a_Value));
}
//temporary replacement for std::make_unique until we get c++14
namespace cpp14
{
template <class T, class... Args>
std::unique_ptr<T> make_unique(Args&&... args)
{
return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
}
}
// a tick is 50 ms
using cTickTime = std::chrono::duration<int, std::ratio_multiply<std::chrono::milliseconds::period, std::ratio<50>>>;
using cTickTimeLong = std::chrono::duration<Int64, cTickTime::period>;
#ifndef TOLUA_TEMPLATE_BIND
#define TOLUA_TEMPLATE_BIND(x)
#endif
// Common headers (part 2, with macros):
#include "ChunkDef.h"
#include "BiomeDef.h"
#include "BlockID.h"
#include "BlockInfo.h"
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