/*
 * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#ifndef WTF_Platform_h
#define WTF_Platform_h

/* PLATFORM handles OS, operating environment, graphics API, and CPU */
#define PLATFORM(WTF_FEATURE) (defined( WTF_PLATFORM_##WTF_FEATURE ) && WTF_PLATFORM_##WTF_FEATURE)
#define COMPILER(WTF_FEATURE) (defined( WTF_COMPILER_##WTF_FEATURE ) && WTF_COMPILER_##WTF_FEATURE)
#define HAVE(WTF_FEATURE) (defined( HAVE_##WTF_FEATURE ) && HAVE_##WTF_FEATURE)
#define USE(WTF_FEATURE) (defined( WTF_USE_##WTF_FEATURE ) && WTF_USE_##WTF_FEATURE)
#define ENABLE(WTF_FEATURE) (defined( ENABLE_##WTF_FEATURE ) && ENABLE_##WTF_FEATURE)

/* Operating systems - low-level dependencies */

/* PLATFORM(DARWIN) */
/* Operating system level dependencies for Mac OS X / Darwin that should */
/* be used regardless of operating environment */
#ifdef __APPLE__
#define WTF_PLATFORM_DARWIN 1
#endif

/* PLATFORM(WIN_OS) */
/* Operating system level dependencies for Windows that should be used */
/* regardless of operating environment */
#if defined(WIN32) || defined(_WIN32)
#define WTF_PLATFORM_WIN_OS 1
#endif

/* PLATFORM(WIN_CE) */
/* Operating system level dependencies for Windows CE that should be used */
/* regardless of operating environment */
/* Note that for this platform PLATFORM(WIN_OS) is also defined. */
#if defined(_WIN32_WCE)
#define WTF_PLATFORM_WIN_CE 1
#endif

/* PLATFORM(FREEBSD) */
/* Operating system level dependencies for FreeBSD-like systems that */
/* should be used regardless of operating environment */
#ifdef __FreeBSD__
#define WTF_PLATFORM_FREEBSD 1
#endif

/* PLATFORM(OPENBSD) */
/* Operating system level dependencies for OpenBSD systems that */
/* should be used regardless of operating environment */
#ifdef __OpenBSD__
#define WTF_PLATFORM_OPENBSD 1
#endif

/* PLATFORM(SOLARIS) */
/* Operating system level dependencies for Solaris that should be used */
/* regardless of operating environment */
#if defined(sun) || defined(__sun)
#define WTF_PLATFORM_SOLARIS 1
#endif

/* PLATFORM(UNIX) */
/* Operating system level dependencies for Unix-like systems that */
/* should be used regardless of operating environment */
#if   PLATFORM(DARWIN)     \
   || PLATFORM(FREEBSD)    \
   || defined(unix)        \
   || defined(__unix)      \
   || defined(__unix__)    \
   || defined (__NetBSD__) \
   || defined(_AIX)
#define WTF_PLATFORM_UNIX 1
#endif

/* PLATFORM(CHROMIUM) */
#if defined(BUILDING_CHROMIUM__)
#define WTF_PLATFORM_CHROMIUM 1
#endif

/* Operating environments */

/* PLATFORM(QT) */
/* PLATFORM(GTK) */
/* PLATFORM(MAC) */
/* PLATFORM(WIN) */
#if defined(BUILDING_QT__)
#define WTF_PLATFORM_QT 1

/* PLATFORM(KDE) */
#if defined(BUILDING_KDE__)
#define WTF_PLATFORM_KDE 1
#endif

#elif defined(BUILDING_WX__)
#define WTF_PLATFORM_WX 1
#elif defined(BUILDING_GTK__)
#define WTF_PLATFORM_GTK 1
#elif PLATFORM(DARWIN)
#define WTF_PLATFORM_MAC 1
#elif PLATFORM(WIN_OS)
#define WTF_PLATFORM_WIN 1
#endif

#if defined(BUILDING_ISEE__)
#define WTF_PLATFORM_ISEE 1
#endif

/* Graphics engines */

/* PLATFORM(CG) and PLATFORM(CI) */
#if PLATFORM(MAC)
#define WTF_PLATFORM_CG 1
#define WTF_PLATFORM_CI 1
#endif

/* PLATFORM(SKIA) */
#if PLATFORM(CHROMIUM)
#define WTF_PLATFORM_SKIA 1
#endif

/* Makes PLATFORM(WIN) default to PLATFORM(CAIRO) */
#if !PLATFORM(MAC) && !PLATFORM(QT) && !PLATFORM(WX)
#define WTF_PLATFORM_CAIRO 1
#endif

#ifdef __S60__
// we are cross-compiling, it is not really windows
#undef WTF_PLATFORM_WIN_OS
#undef WTF_PLATFORM_WIN
#undef WTF_PLATFORM_CAIRO
#define WTF_PLATFORM_S60 1
#define WTF_PLATFORM_SYMBIAN 1
#endif

/* CPU */

/* PLATFORM(PPC) */
#if   defined(__ppc__)     \
   || defined(__PPC__)     \
   || defined(__powerpc__) \
   || defined(__powerpc)   \
   || defined(__POWERPC__) \
   || defined(_M_PPC)      \
   || defined(__PPC)
#define WTF_PLATFORM_PPC 1
#define WTF_PLATFORM_BIG_ENDIAN 1
#endif

/* PLATFORM(PPC64) */
#if   defined(__ppc64__) \
   || defined(__PPC64__)
#define WTF_PLATFORM_PPC64 1
#define WTF_PLATFORM_BIG_ENDIAN 1
#endif

/* PLATFORM(ARM) */
#if   defined(arm) \
   || defined(__arm__)
#define WTF_PLATFORM_ARM 1
#if defined(__ARMEB__)
#define WTF_PLATFORM_BIG_ENDIAN 1
#elif !defined(__ARM_EABI__) && !defined(__ARMEB__) && !defined(__VFP_FP__) && !defined(_WIN32_WCE)
#define WTF_PLATFORM_MIDDLE_ENDIAN 1
#endif
#if !defined(__ARM_EABI__)
#define WTF_PLATFORM_FORCE_PACK 1
#endif
#endif

/* PLATFORM(X86) */
#if   defined(__i386__) \
   || defined(i386)     \
   || defined(_M_IX86)  \
   || defined(_X86_)    \
   || defined(__THW_INTEL)
#define WTF_PLATFORM_X86 1
#endif

/* PLATFORM(X86_64) */
#if   defined(__x86_64__) \
   || defined(__ia64__) \
   || defined(_M_X64)
#define WTF_PLATFORM_X86_64 1
#endif

/* PLATFORM(SPARC64) */
#if defined(__sparc64__)
#define WTF_PLATFORM_SPARC64 1
#define WTF_PLATFORM_BIG_ENDIAN 1
#endif

/* Compiler */

/* COMPILER(MSVC) */
#if defined(_MSC_VER)
#define WTF_COMPILER_MSVC 1
#if _MSC_VER < 1400
#define WTF_COMPILER_MSVC7 1
#endif
#endif

/* COMPILER(GCC) */
#if defined(__GNUC__)
#define WTF_COMPILER_GCC 1
#endif

/* COMPILER(MINGW) */
#if defined(MINGW) || defined(__MINGW32__)
#define WTF_COMPILER_MINGW 1
#endif

/* COMPILER(BORLAND) */
/* not really fully supported - is this relevant any more? */
#if defined(__BORLANDC__)
#define WTF_COMPILER_BORLAND 1
#endif

/* COMPILER(CYGWIN) */
/* not really fully supported - is this relevant any more? */
#if defined(__CYGWIN__)
#define WTF_COMPILER_CYGWIN 1
#endif

#if (PLATFORM(MAC) || PLATFORM(WIN)) && !defined(ENABLE_JSC_MULTIPLE_THREADS)
#define ENABLE_JSC_MULTIPLE_THREADS 1
#endif

/* for Unicode, KDE uses Qt */
#if PLATFORM(KDE) || PLATFORM(QT)
#define WTF_USE_QT4_UNICODE 1
#elif PLATFORM(SYMBIAN)
#define WTF_USE_SYMBIAN_UNICODE 1
#elif PLATFORM(GTK)
/* The GTK+ Unicode backend is configurable */
#elif PLATFORM(ISEE)
#define WTF_USE_CASQT_UNICODE 1
#else
#define WTF_USE_ICU_UNICODE 1
#endif

#if PLATFORM(MAC)
#define WTF_PLATFORM_CF 1
#define WTF_USE_PTHREADS 1
#define ENABLE_MAC_JAVA_BRIDGE 1
#define ENABLE_DASHBOARD_SUPPORT 1
#define HAVE_READLINE 1
#if !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD)
#define HAVE_DTRACE 1
#endif
#endif

#if PLATFORM(WIN)
#define WTF_USE_WININET 1
#endif

#if PLATFORM(WX)
#define WTF_USE_CURL 1
#define WTF_USE_PTHREADS 1
#endif

#if PLATFORM(MAC) || PLATFORM(WIN) || PLATFORM(GTK)
#define HAVE_ACCESSIBILITY 1
#endif

#if COMPILER(GCC)
#define HAVE_COMPUTED_GOTO 1
#endif

#if PLATFORM(DARWIN)

#define HAVE_ERRNO_H 1
#define HAVE_MMAP 1
#define HAVE_MERGESORT 1
#define HAVE_SBRK 1
#define HAVE_STRINGS_H 1
#define HAVE_SYS_PARAM_H 1
#define HAVE_SYS_TIME_H 1
#define HAVE_SYS_TIMEB_H 1

#elif PLATFORM(WIN_OS)

#define HAVE_FLOAT_H 1
#define HAVE_SYS_TIMEB_H 1
#define HAVE_VIRTUALALLOC 1

#else

/* FIXME: is this actually used or do other platforms generate their own config.h? */

#define HAVE_ERRNO_H 1
#define HAVE_MMAP 1
#define HAVE_SBRK 1
#define HAVE_STRINGS_H 1
#define HAVE_SYS_PARAM_H 1
#define HAVE_SYS_TIME_H 1

#endif

/* ENABLE macro defaults */

#if !defined(ENABLE_ICONDATABASE)
#define ENABLE_ICONDATABASE 1
#endif

#if !defined(ENABLE_DATABASE)
#define ENABLE_DATABASE 1
#endif

#if !defined(ENABLE_FTPDIR)
#define ENABLE_FTPDIR 1
#endif

#if !defined(ENABLE_DASHBOARD_SUPPORT)
#define ENABLE_DASHBOARD_SUPPORT 0
#endif

#if !defined(ENABLE_MAC_JAVA_BRIDGE)
#define ENABLE_MAC_JAVA_BRIDGE 0
#endif

#if !defined(ENABLE_NETSCAPE_PLUGIN_API)
#define ENABLE_NETSCAPE_PLUGIN_API 1
#endif

#if !defined(ENABLE_DASHBOARD_SUPPORT)
#define ENABLE_DASHBOARD_SUPPORT 0
#endif

#if !defined(ENABLE_SAMPLING_TOOL)
#define ENABLE_SAMPLING_TOOL 0
#endif

// CTI only supports x86 at the moment, and has only been tested on Mac and Windows.
#if !defined(ENABLE_CTI) && PLATFORM(X86) && (PLATFORM(MAC) || PLATFORM(WIN))
#define ENABLE_CTI 1
#endif

// WREC only supports x86 at the moment, and has only been tested on Mac and Windows.
#if !defined(ENABLE_WREC) && PLATFORM(X86) && (PLATFORM(MAC) || PLATFORM(WIN))
#define ENABLE_WREC 1
#endif

#if ENABLE(CTI) || ENABLE(WREC)
#define ENABLE_MASM 1
#endif

#endif /* WTF_Platform_h */
