// [AsmJit]
// Complete JIT Assembler for C++ Language.
//
// [License]
// Zlib - See COPYING file in this package.

// [Guard]
#ifndef _ASMJIT_CORE_BUILD_H
#define _ASMJIT_CORE_BUILD_H

// [Include]
#include "../Config.h"

#if defined(ASMJIT_EXPORTS)
# if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
#  define _CRT_SECURE_NO_WARNINGS
# endif // _MSC_VER
#endif // ASMJIT_EXPORTS

// Here should be optional include files that's needed fo successfuly
// use macros defined here. Remember, AsmJit uses only AsmJit namespace
// and all macros are used within it.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <new>

// ============================================================================
// [AsmJit - OS]
// ============================================================================

#if defined(WINDOWS) || defined(_WINDOWS) || defined(__WINDOWS__) || defined(_WIN32) || defined(_WIN64)
# define ASMJIT_WINDOWS
#elif defined(__linux__)     || defined(__unix__)    || \
      defined(__OpenBSD__)   || defined(__FreeBSD__) || defined(__NetBSD__) || \
      defined(__DragonFly__) || defined(__BSD__)     || defined(__FREEBSD__) || \
      defined(__APPLE__)
# define ASMJIT_POSIX
#else
# warning "AsmJit - Can't match operating system, using ASMJIT_POSIX"
# define ASMJIT_POSIX
#endif

// ============================================================================
// [AsmJit - Architecture]
// ============================================================================

// define it only if it's not defined. In some systems we can
// use -D command in compiler to bypass this autodetection.
#if !defined(ASMJIT_X86) && !defined(ASMJIT_X64)
# if defined(__x86_64__) || defined(__LP64) || defined(__IA64__) || \
     defined(_M_X64)     || defined(_WIN64) 
#  define ASMJIT_X64 // x86-64
# else
// _M_IX86, __INTEL__, __i386__
#  define ASMJIT_X86
# endif
#endif

// ============================================================================
// [AsmJit - API]
// ============================================================================

// Make AsmJit as shared library by default.
#if !defined(ASMJIT_API)
# if defined(ASMJIT_WINDOWS)
#  if defined(__GNUC__)
#   if defined(ASMJIT_EXPORTS)
#    define ASMJIT_API __attribute__((dllexport))
#   else
#    define ASMJIT_API __attribute__((dllimport))
#   endif // ASMJIT_EXPORTS
#  else
#   if defined(ASMJIT_EXPORTS)
#    define ASMJIT_API __declspec(dllexport)
#   else
#    define ASMJIT_API __declspec(dllimport)
#   endif // ASMJIT_EXPORTS
#  endif // __GNUC__
# else
#  if defined(__GNUC__)
#   if __GNUC__ >= 4
#    define ASMJIT_API __attribute__((visibility("default")))
#    define ASMJIT_VAR extern ASMJIT_API
#   endif // __GNUC__ >= 4
#  endif // __GNUC__
# endif
#endif // ASMJIT_API

#if !defined(ASMJIT_VAR)
# if defined(ASMJIT_API)
#  define ASMJIT_VAR extern ASMJIT_API
# else
#  define ASMJIT_VAR
# endif // ASMJIT_API
#endif // !ASMJIT_VAR

// [AsmJit - Memory Management]
#if !defined(ASMJIT_MALLOC)
# define ASMJIT_MALLOC ::malloc
#endif // ASMJIT_MALLOC

#if !defined(ASMJIT_REALLOC)
# define ASMJIT_REALLOC ::realloc
#endif // ASMJIT_REALLOC

#if !defined(ASMJIT_FREE)
# define ASMJIT_FREE ::free
#endif // ASMJIT_FREE

#if !defined(ASMJIT_UNUSED)
# define ASMJIT_UNUSED(var) ((void)var)
#endif // ASMJIT_UNUSED

#if !defined(ASMJIT_NOP)
# define ASMJIT_NOP() ((void)0)
#endif // ASMJIT_NOP

// [AsmJit - C++ Compiler Support]
#define ASMJIT_TYPE_TO_TYPE(_Type_) _Type_ 
#define ASMJIT_HAS_STANDARD_DEFINE_OPTIONS
#define ASMJIT_HAS_PARTIAL_TEMPLATE_SPECIALIZATION

// Support for VC6
#if defined(_MSC_VER) && (_MSC_VER < 1400)

namespace AsmJit {
  template<typename T>
  struct _Type2Type { typedef T Type; };
}

#undef ASMJIT_TYPE_TO_TYPE
#define ASMJIT_TYPE_TO_TYPE(_Type_) ::AsmJit::_Type2Type<_Type_>::Type

#undef ASMJIT_HAS_STANDARD_DEFINE_OPTIONS
#undef ASMJIT_HAS_PARTIAL_TEMPLATE_SPECIALIZATION

#endif

// ============================================================================
// [AsmJit - Types]
// ============================================================================

#if defined(__MINGW32__) || defined(__MINGW64__)
# include <sys/types.h>
#endif // __MINGW32__ || __MINGW64__

#if defined(_MSC_VER) && (_MSC_VER < 1600)
# if (_MSC_VER < 1300)
typedef signed char int8_t;
typedef signed short int16_t;
typedef signed int int32_t;
typedef signed __int64 int64_t;
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
typedef unsigned __int64 uint64_t;
# else
typedef signed __int8 int8_t;
typedef signed __int16 int16_t;
typedef signed __int32 int32_t;
typedef signed __int64 int64_t;
typedef unsigned __int8 uint8_t;
typedef unsigned __int16 uint16_t;
typedef unsigned __int32 uint32_t;
typedef unsigned __int64 uint64_t;
# endif // _MSC_VER
#else
# include <stdint.h>
# include <limits.h>
#endif 

typedef unsigned char uchar;
typedef unsigned short ushort;
typedef unsigned int uint;
typedef unsigned long ulong;

#if defined(ASMJIT_X86)
typedef int32_t sysint_t;
typedef uint32_t sysuint_t;
#else
typedef int64_t sysint_t;
typedef uint64_t sysuint_t;
#endif

#if defined(_MSC_VER)
# define ASMJIT_INT64_C(num) num##i64
# define ASMJIT_UINT64_C(num) num##ui64
#else
# define ASMJIT_INT64_C(num) num##LL
# define ASMJIT_UINT64_C(num) num##ULL
#endif

// ============================================================================
// [AsmJit - C++ Macros]
// ============================================================================

#define ASMJIT_ARRAY_SIZE(A) (sizeof(A) / sizeof(*A))

#define ASMJIT_NO_COPY(__type__) \
private: \
  inline __type__(const __type__& other); \
  inline __type__& operator=(const __type__& other); \
public:

// ============================================================================
// [AsmJit - Debug]
// ============================================================================

// If ASMJIT_DEBUG and ASMJIT_NO_DEBUG is not defined then ASMJIT_DEBUG will be
// detected using the compiler specific macros. This enables to set the build 
// type using IDE.
#if !defined(ASMJIT_DEBUG) && !defined(ASMJIT_NO_DEBUG)

#if defined(_DEBUG)
#define ASMJIT_DEBUG
#endif // _DEBUG

#endif // !ASMJIT_DEBUG && !ASMJIT_NO_DEBUG

// ============================================================================
// [AsmJit - Initialize/DontInitialize]
// ============================================================================

// TODO: This should be moved to AsmJit namespace!

// Skip documenting this.
#if !defined(ASMJIT_NODOC)
struct _Initialize {};
struct _DontInitialize {};
#endif // !ASMJIT_NODOC

// ============================================================================
// [AsmJit - Void]
// ============================================================================

// TODO: This should be moved to AsmJit namespace!

//! @brief Void type which can be used in @ref FunctionDeclaration templates.
struct Void {};

// ============================================================================
// [asmjit_cast<>]
// ============================================================================

//! @brief Cast used to cast pointer to function. It's like reinterpret_cast<>, 
//! but uses internally C style cast to work with MinGW.
//!
//! If you are using single compiler and @c reinterpret_cast<> works for you,
//! there is no reason to use @c asmjit_cast<>. If you are writing
//! cross-platform software with various compiler support, consider using
//! @c asmjit_cast<> instead of @c reinterpret_cast<>.
template<typename T, typename Z>
static inline T asmjit_cast(Z* p) { return (T)p; }

// ============================================================================
// [AsmJit - OS Support]
// ============================================================================

#if defined(ASMJIT_WINDOWS)
#include <windows.h>
#endif // ASMJIT_WINDOWS

#if defined(__APPLE__)
#include <AvailabilityMacros.h>

#ifndef MAC_OS_X_VERSION_10_7
// In Mac OS X, strnlen() is unsupported prior to v10.7, so define it here.
static size_t strnlen(const char *s, size_t n)
{
	const char *p = (const char *)memchr(s, 0, n);
	return(p ? p-s : n);
}
#endif

#endif // __APPLE__

// [Guard]
#endif // _ASMJIT_CORE_BUILD_H
