/* yap2swi.h */
/*
* Project: SWI emulation for Yap Prolog
* Author: Steve Moyle and Vitor Santos Costa
* Email: steve.moyle@comlab.ox.ac.uk
* Date: 21 January 2002
* Copyright (c) 2002 Steve Moyle and Vitor Santos Costa. All rights reserved.
*/
#ifndef _FLI_H_INCLUDED
#define _FLI_H_INCLUDED
//=== includes ===============================================================
#include "config.h"
#include <YapInterface.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stddef.h>
#include <wchar.h>
#if HAVE_TIME_H
#include <time.h>
#endif
#ifndef X_API
#if (defined(_MSC_VER) || defined(__MINGW32__)) && defined(PL_KERNEL)
#define X_API __declspec(dllexport)
#else
#define X_API
#endif
#endif
/*******************************
* EXPORT *
*******************************/
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
See SWI-Prolog.h, containing the same code for an explanation on this
stuff.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#ifndef _PL_EXPORT_DONE
#define _PL_EXPORT_DONE
#if (defined(__WINDOWS__) || defined(__CYGWIN__) || defined(__MINGW32__)) && !defined(__LCC__)
#define HAVE_DECLSPEC
#endif
#ifdef HAVE_DECLSPEC
# ifdef PL_KERNEL
#define PL_EXPORT(type) __declspec(dllexport) type
#define PL_EXPORT_DATA(type) __declspec(dllexport) type
#define install_t void
# else
# ifdef __BORLANDC__
#define PL_EXPORT(type) type _stdcall
#define PL_EXPORT_DATA(type) extern type
# else
#define PL_EXPORT(type) extern type
#define PL_EXPORT_DATA(type) __declspec(dllimport) type
# endif
#define install_t __declspec(dllexport) void
# endif
#else /*HAVE_DECLSPEC*/
#define PL_EXPORT(type) extern type
#define PL_EXPORT_DATA(type) extern type
#define install_t void
#endif /*HAVE_DECLSPEC*/
#endif /*_PL_EXPORT_DONE*/
typedef unsigned long term_t;
typedef void *module_t;
typedef void *record_t;
typedef unsigned long atom_t;
typedef YAP_Term *predicate_t;
typedef struct open_query_struct *qid_t;
typedef long functor_t;
typedef int (*PL_agc_hook_t)(atom_t);
typedef unsigned long foreign_t; /* return type of foreign functions */
typedef wchar_t pl_wchar_t; /* wide character support */
#ifdef WIN32
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#else
#include <inttypes.h> /* more portable than stdint.h */
#endif
typedef uintptr_t PL_fid_t; /* opaque foreign context handle */
typedef void *function_t;
#define fid_t PL_fid_t /* avoid AIX name-clash */
typedef struct _PL_extension
{ char *predicate_name; /* Name of the predicate */
short arity; /* Arity of the predicate */
function_t function; /* Implementing functions */
short flags; /* Or of PL_FA_... */
} PL_extension;
typedef struct
{ unsigned long local_size; /* Stack sizes */
unsigned long global_size;
unsigned long trail_size;
unsigned long argument_size;
char * alias; /* alias name */
int (*cancel)(int id); /* cancel function */
void * reserved[5]; /* reserved for extensions */
} PL_thread_attr_t;
typedef void *PL_engine_t;
#define PL_FA_NOTRACE (0x01) /* foreign cannot be traced */
#define PL_FA_TRANSPARENT (0x02) /* foreign is module transparent */
#define PL_FA_NONDETERMINISTIC (0x04) /* foreign is non-deterministic */
#define PL_FA_VARARGS (0x08) /* call using t0, ac, ctx */
#define PL_FA_CREF (0x10) /* Internal: has clause-reference */
#define PL_FA_ISO (0x20) /* Internal: ISO core predicate */
/* begin from pl-itf.h */
#define PL_VARIABLE (1) /* nothing */
#define PL_ATOM (2) /* const char * */
#define PL_INTEGER (3) /* int */
#define PL_FLOAT (4) /* double */
#define PL_STRING (5) /* const char * */
#define PL_TERM (6)
/* PL_unify_term() */
#define PL_FUNCTOR (10) /* functor_t, arg ... */
#define PL_LIST (11) /* length, arg ... */
#define PL_CHARS (12) /* const char * */
#define PL_POINTER (13) /* void * */
/* PlArg::PlArg(text, type) */
#define PL_CODE_LIST (14) /* [ascii...] */
#define PL_CHAR_LIST (15) /* [h,e,l,l,o] */
#define PL_BOOL (16) /* PL_set_feature() */
#define PL_FUNCTOR_CHARS (17) /* PL_unify_term() */
#define PL_PREDICATE_INDICATOR (18) /* predicate_t (Procedure) */
#define PL_SHORT (19) /* short */
#define PL_INT (20) /* int */
#define PL_LONG (21) /* long */
#define PL_DOUBLE (22) /* double */
#define PL_NCHARS (23) /* unsigned, const char * */
#define PL_UTF8_CHARS (24) /* const char * */
#define PL_UTF8_STRING (25) /* const char * */
#define PL_INT64 (26) /* int64_t */
#define PL_NUTF8_CHARS (27) /* unsigned, const char * */
#define PL_NUTF8_CODES (29) /* unsigned, const char * */
#define PL_NUTF8_STRING (30) /* unsigned, const char * */
#define PL_NWCHARS (31) /* unsigned, const wchar_t * */
#define PL_NWCODES (32) /* unsigned, const wchar_t * */
#define PL_NWSTRING (33) /* unsigned, const wchar_t * */
#define PL_MBCHARS (34) /* const char * */
#define PL_MBCODES (35) /* const char * */
#define PL_MBSTRING (36) /* const char * */
#define CVT_ATOM 0x0001
#define CVT_STRING 0x0002
#define CVT_LIST 0x0004
#define CVT_INTEGER 0x0008
#define CVT_FLOAT 0x0010
#define CVT_VARIABLE 0x0020
#define CVT_NUMBER (CVT_INTEGER|CVT_FLOAT)
#define CVT_ATOMIC (CVT_NUMBER|CVT_ATOM|CVT_STRING)
#define CVT_WRITE 0x0040 /* as of version 3.2.10 */
#define CVT_ALL (CVT_ATOMIC|CVT_LIST)
#define CVT_MASK 0x00ff
#define CVT_EXCEPTION 0x10000
#define BUF_DISCARDABLE 0x0000
#define BUF_RING 0x0100
#define BUF_MALLOC 0x0200
#define PL_ENGINE_CURRENT ((PL_engine_t)-1)
#define PL_ENGINE_SET 0 /* engine set successfully */
#define PL_ENGINE_INVAL 2 /* engine doesn't exist */
#define PL_ENGINE_INUSE 3 /* engine is in use */
#define PL_ACTION_TRACE 1 /* switch to trace mode */
#define PL_ACTION_DEBUG 2 /* switch to debug mode */
#define PL_ACTION_BACKTRACE 3 /* show a backtrace (stack dump) */
#define PL_ACTION_BREAK 4 /* create a break environment */
#define PL_ACTION_HALT 5 /* halt Prolog execution */
#define PL_ACTION_ABORT 6 /* generate a Prolog abort */
/* 7: Obsolete PL_ACTION_SYMBOLFILE */
#define PL_ACTION_WRITE 8 /* write via Prolog i/o buffer */
#define PL_ACTION_FLUSH 9 /* Flush Prolog i/o buffer */
#define PL_ACTION_GUIAPP 10 /* Win32: set when this is a gui */
#define PL_ACTION_ATTACH_CONSOLE 11 /* MT: Attach a console */
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Foreign language interface definitions. Note that these macros MUST be
consistent with the definitions in pl-itf.h, which is included with
users foreign language code.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#define NOTRACE PL_FA_NOTRACE
#define META PL_FA_TRANSPARENT
#define NDET PL_FA_NONDETERMINISTIC
#define VA PL_FA_VARARGS
#define CREF PL_FA_CREF
#define ISO PL_FA_ISO
typedef enum
{ FRG_FIRST_CALL = 0, /* Initial call */
FRG_CUTTED = 1, /* Context was cutted */
FRG_REDO = 2 /* Normal redo */
} frg_code;
struct foreign_context
{ uintptr_t context; /* context value */
frg_code control; /* FRG_* action */
struct PL_local_data *engine; /* invoking engine */
};
typedef struct foreign_context *control_t;
#define PRED_IMPL(name, arity, fname, flags) \
foreign_t \
pl_ ## fname ## _va(term_t PL__t0, int PL__ac, control_t PL__ctx)
#define Arg(N) (PL__t0+((n)-1))
#define A1 (PL__t0)
#define A2 (PL__t0+1)
#define A3 (PL__t0+2)
#define A3 (PL__t0+2)
#define A4 (PL__t0+3)
#define A5 (PL__t0+4)
#define A6 (PL__t0+5)
#define A7 (PL__t0+6)
#define A8 (PL__t0+7)
#define A9 (PL__t0+8)
#define A10 (PL__t0+9)
#define CTX_CNTRL ForeignControl(PL__ctx)
#define CTX_PTR ForeignContextPtr(PL__ctx)
#define CTX_INT ForeignContextInt(PL__ctx)
#define CTX_ARITY PL__ac
#define BeginPredDefs(id) \
PL_extension PL_predicates_from_ ## id[] = {
#define PRED_DEF(name, arity, fname, flags) \
{ name, arity, pl_ ## fname ## _va, (flags)|PL_FA_VARARGS },
#define EndPredDefs \
{ NULL, 0, NULL, 0 } \
};
#define FRG_REDO_MASK 0x00000003L
#define FRG_REDO_BITS 2
#define REDO_INT 0x02 /* Returned an integer */
#define REDO_PTR 0x03 /* returned a pointer */
#define ForeignRedoIntVal(v) (((uintptr_t)(v)<<FRG_REDO_BITS)|REDO_INT)
#define ForeignRedoPtrVal(v) (((uintptr_t)(v))|REDO_PTR)
#define ForeignRedoInt(v) return ForeignRedoIntVal(v)
#define ForeignRedoPtr(v) return ForeignRedoPtrVal(v)
#define ForeignControl(h) ((h)->control)
#define ForeignContextInt(h) ((intptr_t)(h)->context)
#define ForeignContextPtr(h) ((void *)(h)->context)
#define ForeignEngine(h) ((h)->engine)
#define FRG(n, a, f, flags) { n, a, f, flags }
/* end from pl-itf.h */
/*******************************
* CALL-BACK *
*******************************/
#ifdef PL_KERNEL
#define PL_Q_DEBUG 0x01 /* = TRUE for backward compatibility */
#endif
#define PL_Q_NORMAL 0x02 /* normal usage */
#define PL_Q_NODEBUG 0x04 /* use this one */
#define PL_Q_CATCH_EXCEPTION 0x08 /* handle exceptions in C */
#define PL_Q_PASS_EXCEPTION 0x10 /* pass to parent environment */
#ifdef PL_KERNEL
#define PL_Q_DETERMINISTIC 0x20 /* call was deterministic */
#endif
#define PL_fail return FALSE /* fail */
#define PL_succeed return TRUE /* success */
extern X_API void PL_free(void *);
extern X_API PL_agc_hook_t PL_agc_hook(PL_agc_hook_t);
extern X_API char* PL_atom_chars(atom_t);
extern X_API term_t PL_copy_term_ref(term_t);
extern X_API term_t PL_new_term_ref(void);
extern X_API term_t PL_new_term_refs(int);
extern X_API void PL_reset_term_refs(term_t);
/* begin PL_get_* functions =============================*/
extern X_API int PL_get_arg(int, term_t, term_t);
extern X_API int PL_get_atom(term_t, atom_t *);
extern X_API int PL_get_atom_chars(term_t, char **);
extern X_API int PL_get_bool(term_t, int *);
extern X_API int PL_get_chars(term_t, char **, unsigned);
extern X_API int PL_get_nchars(term_t, size_t *, char **, unsigned);
extern X_API int PL_get_wchars(term_t, size_t *, wchar_t **, unsigned);
extern X_API int PL_get_functor(term_t, functor_t *);
extern X_API int PL_get_float(term_t, double *);
extern X_API int PL_get_head(term_t, term_t);
extern X_API int PL_get_int64(term_t, int64_t *);
extern X_API int PL_get_integer(term_t, int *);
extern X_API int PL_get_list(term_t, term_t, term_t);
extern X_API int PL_get_long(term_t, long *);
extern X_API int PL_get_list_chars(term_t, char **, unsigned);
extern X_API int PL_get_module(term_t, module_t *);
extern X_API module_t PL_context(void);
extern X_API int PL_strip_module(term_t, module_t *, term_t);
extern X_API atom_t PL_module_name(module_t);
extern X_API module_t PL_new_module(atom_t);
extern X_API int PL_get_name_arity(term_t, atom_t *, int *);
extern X_API int PL_get_nil(term_t);
extern X_API int PL_get_pointer(term_t, void **);
extern X_API int PL_get_string(term_t, char **, int *);
extern X_API int PL_get_tail(term_t, term_t);
/* end PL_get_* functions =============================*/
/* begin PL_new_* functions =============================*/
extern X_API atom_t PL_new_atom(const char *);
extern X_API atom_t PL_new_atom_wchars(int, const pl_wchar_t *);
extern X_API char *PL_atom_nchars(atom_t, size_t *);
extern X_API pl_wchar_t *PL_atom_wchars(atom_t, size_t *);
extern X_API functor_t PL_new_functor(atom_t, int);
extern X_API atom_t PL_functor_name(functor_t);
extern X_API int PL_functor_arity(functor_t);
/* end PL_new_* functions =============================*/
/* begin PL_put_* functions =============================*/
extern X_API void PL_cons_functor(term_t, functor_t,...);
extern X_API void PL_cons_functor_v(term_t, functor_t,term_t);
extern X_API void PL_cons_list(term_t, term_t, term_t);
extern X_API void PL_put_atom(term_t, atom_t);
extern X_API void PL_put_atom_chars(term_t, const char *);
extern X_API void PL_put_float(term_t, double);
extern X_API void PL_put_functor(term_t, functor_t t);
extern X_API void PL_put_int64(term_t, int64_t);
extern X_API void PL_put_integer(term_t, long);
extern X_API void PL_put_list(term_t);
extern X_API void PL_put_list_chars(term_t, const char *);
extern X_API void PL_put_nil(term_t);
extern X_API void PL_put_pointer(term_t, void *);
extern X_API void PL_put_string_chars(term_t, const char *);
extern X_API void PL_put_term(term_t, term_t);
extern X_API void PL_put_variable(term_t);
extern X_API int PL_compare(term_t, term_t);
/* end PL_put_* functions =============================*/
/* begin PL_unify_* functions =============================*/
extern X_API int PL_unify(term_t, term_t);
extern X_API int PL_unify_atom(term_t, atom_t);
extern X_API int PL_unify_atom_chars(term_t, const char *);
extern X_API int PL_unify_atom_nchars(term_t, size_t len, const char *);
extern X_API int PL_unify_float(term_t, double);
extern X_API int PL_unify_functor(term_t, functor_t);
extern X_API int PL_unify_int64(term_t, int64_t);
extern X_API int PL_unify_integer(term_t, long);
extern X_API int PL_unify_list(term_t, term_t, term_t);
extern X_API int PL_unify_list_chars(term_t, const char *);
extern X_API int PL_unify_nil(term_t);
extern X_API int PL_unify_pointer(term_t, void *);
extern X_API int PL_unify_string_chars(term_t, const char *);
extern X_API int PL_unify_term(term_t,...);
extern X_API int PL_unify_chars(term_t, int, size_t, const char *);
extern X_API int PL_unify_chars_diff(term_t, term_t, int, size_t, const char *);
extern X_API int PL_unify_wchars(term_t, int, size_t, const pl_wchar_t *);
extern X_API int PL_unify_wchars_diff(term_t, term_t, int, size_t, const pl_wchar_t *);
/* end PL_unify_* functions =============================*/
/* begin PL_is_* functions =============================*/
extern X_API int PL_is_atom(term_t);
extern X_API int PL_is_atomic(term_t);
extern X_API int PL_is_compound(term_t);
extern X_API int PL_is_float(term_t);
extern X_API int PL_is_functor(term_t, functor_t);
extern X_API int PL_is_integer(term_t);
extern X_API int PL_is_list(term_t);
extern X_API int PL_is_number(term_t);
extern X_API int PL_is_string(term_t);
extern X_API int PL_is_variable(term_t);
extern X_API int PL_term_type(term_t);
extern X_API int PL_is_inf(term_t);
/* end PL_is_* functions =============================*/
extern X_API void PL_halt(int);
extern X_API int PL_initialise(int, char **);
extern X_API int PL_is_initialised(int *, char ***);
extern X_API void PL_close_foreign_frame(fid_t);
extern X_API void PL_discard_foreign_frame(fid_t);
extern X_API void PL_rewind_foreign_frame(fid_t);
extern X_API fid_t PL_open_foreign_frame(void);
extern X_API int PL_raise_exception(term_t);
extern X_API void PL_register_atom(atom_t);
extern X_API void PL_unregister_atom(atom_t);
extern X_API predicate_t PL_pred(functor_t, module_t);
extern X_API predicate_t PL_predicate(const char *, int, const char *);
extern X_API void PL_predicate_info(predicate_t, atom_t *, int *, module_t *);
extern X_API qid_t PL_open_query(module_t, int, predicate_t, term_t);
extern X_API int PL_next_solution(qid_t);
extern X_API void PL_cut_query(qid_t);
extern X_API void PL_close_query(qid_t);
extern X_API term_t PL_exception(qid_t);
extern X_API int PL_call_predicate(module_t, int, predicate_t, term_t);
extern X_API int PL_call(term_t, module_t);
extern X_API void PL_register_foreign_in_module(const char *, const char *, int, foreign_t (*)(void), int);
extern X_API void PL_register_extensions(PL_extension *);
extern X_API void PL_load_extensions(PL_extension *);
extern X_API int PL_handle_signals(void);
extern X_API int PL_thread_self(void);
extern X_API int PL_thread_attach_engine(const PL_thread_attr_t *);
extern X_API int PL_thread_destroy_engine(void);
extern X_API int PL_thread_at_exit(void (*)(void *), void *, int);
extern X_API PL_engine_t PL_create_engine(const PL_thread_attr_t *);
extern X_API int PL_destroy_engine(PL_engine_t);
extern X_API int PL_set_engine(PL_engine_t,PL_engine_t *);
extern X_API int PL_get_string_chars(term_t, char **, int *);
extern X_API record_t PL_record(term_t);
extern X_API void PL_recorded(record_t, term_t);
extern X_API void PL_erase(record_t);
extern X_API int PL_action(int,...);
extern X_API void *PL_malloc(int);
extern X_API void PL_free(void *);
#define PL_register_foreign(name, arity, function, flags) PL_register_foreign_in_module(NULL, (name), (arity), (function), (flags))
extern X_API int Sprintf(const char * fm,...);
extern X_API int Sdprintf(const char *,...);
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Output representation for PL_get_chars() and friends. The
prepresentation type REP_FN is for PL_get_file_name() and friends. On
Windows we use UTF-8 which is translated by the `XOS' layer to Windows
UNICODE file functions.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#define REP_ISO_LATIN_1 0x0000 /* output representation */
#define REP_UTF8 0x1000
#define REP_MB 0x2000
#ifdef __WINDOWS__
#define REP_FN REP_UTF8
#else
#define REP_FN REP_MB
#endif
#define PL_DIFF_LIST 0x20000 /* PL_unify_chars() */
#ifdef SIO_MAGIC /* defined from <SWI-Stream.h> */
/* Make IOSTREAM known to Prolog */
PL_EXPORT(int) PL_open_stream(term_t t, IOSTREAM *s);
PL_EXPORT(int) PL_unify_stream(term_t t, IOSTREAM *s);
PL_EXPORT(int) PL_get_stream_handle(term_t t, IOSTREAM **s);
PL_EXPORT(int) PL_release_stream(IOSTREAM *s);
#endif
#define succeed return TRUE
#define fail return FALSE
extern X_API const char *PL_cwd(void);
void swi_install(void);
X_API int PL_error(const char *pred, int arity, const char *msg, int id, ...);
#endif /* _FLI_H_INCLUDED */