/* -*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*- */
/* vim: set filetype=c tabstop=8 shiftwidth=4 expandtab: */

/*
    config.h.in -- Template configuration file.
*/
/*
    Copyright (c) 1990, Giuseppe Attardi.
    Copyright (c) 2001, Juan Jose Garcia Ripoll.

    ECoLisp is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    See file '../Copyright' for full details.
*/

#if defined(_MSC_VER) || defined(__MINGW32__) || __WIN32__ || __WIN64__
#define ECL_MS_WINDOWS_HOST
#endif

/*
 * If ECL_API has been predefined, that means we are building the core
 * library and, under windows, we must tell the compiler to export
 * extern functions from the shared library.
 * If ECL_API is not defined, we are simply building an application that
 * uses ECL and, under windows, we must tell the compiler that certain
 * will be imported from a DLL.
 */
#if defined(ECL_MS_WINDOWS_HOST) || defined(cygwin)
# define ECL_DLLEXPORT __declspec(dllexport)
# ifdef ECL_API
#  undef \
   ECL_API /* Avoid autoconf removing this */
#  define ECL_API __declspec(dllexport)
# else
#  define ECL_API __declspec(dllimport)
# endif
#else
# define ECL_DLLEXPORT
# ifdef ECL_API
#  undef \
   ECL_API /* Avoid autoconf removing this */
# endif
# define ECL_API
#endif

/* Decimal number made with the formula yymmvv */
#define ECL_VERSION_NUMBER 160103

/*
 * FEATURES LINKED IN
 */

/* Use GNU Multiple Precision library for bignums                       */
#ifndef DPP
#include "gmp.h"
#endif

/* Userland threads?                                                    */
#undef ECL_THREADS
#ifdef ECL_THREADS
# if defined(ECL_MS_WINDOWS_HOST)
#  define ECL_WINDOWS_THREADS
# endif
/* # udef ECL_SEMAPHORES */
#undef ECL_RWLOCK
#endif

/* __thread thread-local variables?                                     */
#ifndef openbsd
#undef WITH___THREAD
#endif

/* Use Boehm's garbage collector                                        */
#undef GBC_BOEHM
#ifdef GBC_BOEHM
# ifdef ECL_THREADS
#   define GC_THREADS           /* For >= 7.2 */
# endif
# define ECL_DYNAMIC_VV
# include "ecl/gc/gc.h"
/* GC >= 7.2 defines these macros to intercept thread functions, but
 * in doing so it breaks mingw. */
# if defined(ECL_MS_WINDOWS_HOST) && defined(_beginthreadex)
#  undef _beginthread
#  undef _endthread
#  undef _beginthreadex
#  undef _endthreadex
# endif
#endif
#undef ECL_LIBATOMIC_OPS_H

/* Network streams                                                      */
#undef TCP
#if defined(TCP) && defined(ECL_MS_WINDOWS_HOST)
# define ECL_WSOCK
#endif

/* Foreign functions interface                                          */
#undef ECL_FFI

/* Support for Unicode strings */
#undef ECL_UNICODE
/* Link in the Unicode names for all characters (takes ~0.5 Mb)         */
#undef ECL_UNICODE_NAMES

/* Allow STREAM operations to work on arbitrary objects                 */
#undef ECL_CLOS_STREAMS

/* Stack grows downwards                                                */
#undef ECL_DOWN_STACK

/* We have libffi and can use it                                        */
#undef HAVE_LIBFFI

/* We use hierarchical package names, like in Allegro CL                */
#undef ECL_RELATIVE_PACKAGE_NAMES

/* Use mprotect for fast interrupt dispatch				*/
#ifndef NACL
#undef ECL_USE_MPROTECT
#endif
#if defined(ECL_MS_WINDOWS_HOST)
# define ECL_USE_GUARD_PAGE
#endif
/* Integer types                                                        */
#include <stdint.h>
#undef ecl_uint8_t
#undef ecl_int8_t
#undef ecl_uint16_t
#undef ecl_int16_t
#undef ecl_uint32_t
#undef ecl_int32_t
#undef ecl_uint64_t
#undef ecl_int64_t
#undef ecl_long_long_t
#undef ecl_ulong_long_t

/*
 * C TYPES AND SYSTEM LIMITS
 */
/*
 * The integer type
 *
 * cl_fixnum must be an integer type, large enough to hold a pointer.
 * Ideally, according to the ISOC99 standard, we should use intptr_t,
 * but the required headers are not present in all systems. Hence we
 * use autoconf to guess the following values.
 */
#define ECL_INT_BITS            32
#define ECL_LONG_BITS           64
#define ECL_FIXNUM_BITS         64
#define MOST_POSITIVE_FIXNUM    ((cl_fixnum)2305843009213693951L)
#define MOST_NEGATIVE_FIXNUM    ((cl_fixnum)-2305843009213693952L)
#define MOST_POSITIVE_FIXNUM_VAL 2305843009213693951L
#define MOST_NEGATIVE_FIXNUM_VAL -2305843009213693952L

typedef long int cl_fixnum;
typedef unsigned long int cl_index;
typedef unsigned long int cl_hashkey;

/*
 * The character type
 */
#define ECL_CHAR_CODE_LIMIT     1114112 /* ASCII or unicode character code limit  */
typedef int32_t ecl_character;
typedef unsigned char ecl_base_char;

/*
 * Array limits
 */
#define ECL_ARRAY_RANK_LIMIT 64 /*  array rank limit            */
#ifdef GBC_BOEHM
#define ECL_ARRAY_DIMENSION_LIMIT 2305843009213693951L
#define ECL_ARRAY_TOTAL_LIMIT 2305843009213693951L
#else
#define ECL_ARRAY_DIMENSION_LIMIT 16*1024*1024
#define ECL_ARRAY_TOTAL_LIMIT 16*1024*1024
#endif

/*
 * Function limits.
 *
 * In general, any of these limits must fit in a "signed int".
 */
/*      Maximum number of function arguments (arbitrary)                */
#define ECL_CALL_ARGUMENTS_LIMIT 65536

/*      Maximum number of required arguments                            */
#define ECL_LAMBDA_PARAMETERS_LIMIT ECL_CALL_ARGUMENTS_LIMIT

/*      Numb. of args. which will be passed using the C stack           */
/*      See cmplam.lsp if you change this value                         */
#define ECL_C_ARGUMENTS_LIMIT 63

/*      Maximum number of output arguments (>= ECL_C_ARGUMENTS_LIMIT)   */
#define ECL_MULTIPLE_VALUES_LIMIT 64

/* A setjmp that does not save signals                                  */
#define ecl_setjmp      _setjmp
#define ecl_longjmp     _longjmp

/*
 * Structure/Instance limits. The index to a slot must fit in the
 * "int" type. We also require ECL_SLOTS_LIMIT <= ECL_CALL_ARGUMENTS_LIMIT
 * because constructors typically require as many arguments as slots,
 * or more.
 */
#define ECL_SLOTS_LIMIT 32768

/* compiler understands long double                                     */
#undef ECL_LONG_FLOAT
/* compiler understands complex                                         */
#undef HAVE_DOUBLE_COMPLEX
#undef HAVE_FLOAT_COMPLEX

/* do we want NaNs and Infs                                             */
#undef ECL_IEEE_FP

/* We can use small, two-words conses, without type information         */
#undef ECL_SMALL_CONS

/* Do we use C or C++ compiler to compile ecl? */
#undef ECL_CXX_CORE

/* Use CMU Common-Lisp's FORMAT routine                                 */
#undef ECL_CMU_FORMAT

/*
 * C macros for inlining, denoting probable code paths and other stuff
 * that makes better code. Most of it is GCC specific.
 */
#if defined(__cplusplus) || \
    (defined(__GNUC__) &&   \
    (defined(__GNUC_GNU_INLINE__) || defined(__GNUC_STDC_INLINE__)))
#define ECL_INLINE inline
#define ECL_CAN_INLINE 1
#else
#define ECL_INLINE
#define ECL_CAN_INLINE 0
#endif

#if !defined(__GNUC__)
# define ecl_likely(form) (form)
# define ecl_unlikely(form) (form)
# define ecl_attr_noreturn
#else
# if (__GNUC__ < 3)
#  define ecl_likely(form) (form)
#  define ecl_unlikely(form) (form)
# else
#  define ecl_likely(form) __builtin_expect(form,1)
#  define ecl_unlikely(form) __builtin_expect(form,0)
# endif
# if (__GNUC__ < 4)
#  define ecl_attr_noreturn
# else
#  define ecl_attr_noreturn __attribute__((noreturn))
# endif
#endif

#if defined(__SSE2__) || (defined(_M_IX86_FP) && _M_IX86_FP >= 2)
#undef ECL_SSE2
#endif
