270 lines
7.9 KiB
C
Executable File
270 lines
7.9 KiB
C
Executable File
/*************************************************************************
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* *
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* YAP Prolog @(#)c_interface.h 2.2 *
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* Yap Prolog was developed at NCCUP - Universidade do Porto *
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* *
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* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
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* *
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**************************************************************************
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* *
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* File: yap_structs.h *
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* Last rev: 15/5/2000 *
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* mods: *
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* comments: Data structures and defines used in the Interface *
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* *
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*************************************************************************/
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#ifndef _YAPDEFS_H
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#define _YAPDEFS_H 1
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/**
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* X_API macro
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*
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* @brief Linux exports all symbols by default, but WIN32 does
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* not. cmake can enable exports, using CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS
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*
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* @param _WIN32
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*
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* @return
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*/
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#if _WIN32
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#if defined(_EXPORT_KERNEL)
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// __declspec(dllexport)
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#define X_API
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#else
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// __declspec(dllimport)
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#define X_API
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#endif
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// __declspec(dllexport)
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#define O_API
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// __declspec(dllimport)
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#define I_API
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#else
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#define O_API
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#define I_API
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#define X_API
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#endif
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#include <setjmp.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "YapConfig.h"
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typedef void *YAP_PredEntryPtr;
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typedef size_t YAP_Arity;
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typedef YAP_Term YAP_Module;
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typedef YAP_Int YAP_handle_t;
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typedef void *YAP_PredEntryPtr;
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typedef YAP_Bool (*YAP_UserCPred)(void);
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typedef int (*YAP_agc_hook)(void *_Atom);
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#include "YapError.h"
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#include "YapEncoding.h"
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typedef encoding_t YAP_encoding_t;
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#if __ANDROID__
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#include <android/asset_manager.h>
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#include <android/native_activity.h>
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#endif
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typedef struct YAP_thread_attr_struct {
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size_t ssize;
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size_t tsize;
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size_t sysize;
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int (*cancel)(int thread);
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YAP_Term egoal, alias;
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} YAP_thread_attr;
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#ifdef YAP_H
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#include <threads.h>
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#endif
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typedef enum {
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YAP_BIN = 0x0001,
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YAP_TEXT = 0x0002,
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YAP_SAVED_STATE = 0x0004,
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YAP_OBJ = 0x0008,
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YAP_PL = 0x0010,
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YAP_SOURCE_PL = 0x0030,
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YAP_QLY = 0x0040,
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YAP_EXE = 0x0080,
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YAP_FOUND_BOOT_ERROR = 0x0100,
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YAP_DIR = 0x0200
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} YAP_file_type_t;
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#define YAP_ANY_FILE (0x00ff)
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typedef enum {
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YAP_TAG_ATT = 0x1,
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YAP_TAG_UNBOUND = 0x2,
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YAP_TAG_REF = 0x4,
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YAP_TAG_PAIR = 0x8,
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YAP_TAG_ATOM = 0x10,
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YAP_TAG_INT = 0x20,
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YAP_TAG_LONG_INT = 0x40,
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YAP_TAG_BIG_INT = 0x80,
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YAP_TAG_RATIONAL = 0x100,
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YAP_TAG_FLOAT = 0x200,
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YAP_TAG_OPAQUE = 0x400,
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YAP_TAG_APPL = 0x800,
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YAP_TAG_DBREF = 0x1000,
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YAP_TAG_STRING = 0x2000,
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YAP_TAG_ARRAY = 0x4000
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} YAP_tag_t;
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#define YAP_WRITE_QUOTED 1
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#define YAP_WRITE_IGNORE_OPS 2
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#define YAP_WRITE_HANDLE_VARS 4
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#define YAP_WRITE_USE_PORTRAY 8
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#define YAP_WRITE_HANDLE_CYCLES 0x20
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#define YAP_WRITE_BACKQUOTE_STRING 0x80
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#define YAP_WRITE_ATTVAR_NONE 0x100
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#define YAP_WRITE_ATTVAR_DOTS 0x200
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#define YAP_WRITE_ATTVAR_PORTRAY 0x400
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#define YAP_WRITE_BLOB_PORTRAY 0x800
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#include "YapInit.h"
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/* this should be opaque to the user */
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typedef struct {
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unsigned long b, b0; //> choice-point at entry
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YAP_handle_t CurSlot; //> variables at entry
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YAP_handle_t EndSlot; //> variables at successful execution
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struct yami *p; //> Program Counter at entry
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struct yami *cp; //> Continuation PC at entry
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int lvl;
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unsigned long tr, h;
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} YAP_dogoalinfo;
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// query manipulation support
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typedef struct open_query_struct {
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int q_open;
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int q_state;
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YAP_handle_t q_g;
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struct pred_entry *q_pe;
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struct yami *q_p, *q_cp;
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jmp_buf q_env;
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int q_flags;
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YAP_dogoalinfo q_h;
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struct open_query_struct *oq;
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} YAP_openQuery;
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typedef void (*YAP_halt_hook)(int exit_code, void *closure);
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/** Interface to opaque variables */
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/* each type has a tag */
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typedef YAP_Int YAP_opaque_tag_t;
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typedef YAP_Bool (*YAP_Opaque_CallOnFail)(YAP_Term);
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typedef YAP_Bool (*YAP_Opaque_CallOnCut)(YAP_Term);
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typedef YAP_Bool (*YAP_Opaque_CallOnWrite)(FILE *, YAP_opaque_tag_t, void *,
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int);
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typedef YAP_Int (*YAP_Opaque_CallOnGCMark)(YAP_opaque_tag_t, void *, YAP_Term *,
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YAP_Int);
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typedef YAP_Bool (*YAP_Opaque_CallOnGCRelocate)(YAP_opaque_tag_t, void *,
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YAP_Term *, YAP_Int);
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/// opaque variables can interact with the system
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typedef struct YAP_opaque_handler_struct {
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YAP_Opaque_CallOnCut cut_handler; //< called at cut, which may be a forward
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// cut or an exception.
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YAP_Opaque_CallOnFail
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fail_handler; //< called at exit, it can be used to cleanup resources
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YAP_Opaque_CallOnWrite write_handler; //< text representation
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YAP_Opaque_CallOnGCMark
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mark_handler; //< useful if you include pointers to stack
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YAP_Opaque_CallOnGCRelocate
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relocate_handler; //< useful if you include pointers to stack
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} YAP_opaque_handler_t;
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extern YAP_Opaque_CallOnWrite Yap_blob_write_handler_from_slot(YAP_Int slot);
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extern YAP_Opaque_CallOnGCMark Yap_blob_gc_mark_handler(YAP_Term t);
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extern YAP_Opaque_CallOnGCRelocate Yap_blob_gc_relocate_handler(YAP_Term t);
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extern YAP_Int Yap_blob_tag_from_slot(YAP_Int slot);
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extern void *Yap_blob_info_from_slot(YAP_Int slot);
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/********* execution mode ***********************/
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typedef enum {
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YAPC_INTERPRETED, /* interpreted */
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YAPC_MIXED_MODE_USER, /* mixed mode only for user predicates */
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YAPC_MIXED_MODE_ALL, /* mixed mode for all predicates */
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YAPC_COMPILE_USER, /* compile all user predicates*/
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YAPC_COMPILE_ALL /* compile all predicates */
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} yapc_exec_mode;
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/** Stream Modes: */
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typedef enum stream_f {
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Free_Stream_f = 0x000001, /**< Free YAP Stream */
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Input_Stream_f = 0x000002, /**< Input Stream */
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Output_Stream_f = 0x000004, /**< Output Stream in Truncate Mode */
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Append_Stream_f = 0x000008, /**< Output Stream in Append Mod */
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Eof_Stream_f = 0x000010, /**< Stream found an EOF */
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Null_Stream_f = 0x000020, /**< Stream is /dev/null, or equivant */
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Tty_Stream_f = 0x000040, /**< Stream is a terminal */
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Socket_Stream_f = 0x000080, /**< Socket Stream */
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Binary_Stream_f = 0x000100, /**< Stream is not eof */
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Eof_Error_Stream_f =
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0x000200, /**< Stream should generate error on trying to read after EOF */
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Reset_Eof_Stream_f =
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0x000400, /**< Stream should be reset on findind an EO (C-D and console.*/
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Past_Eof_Stream_f = 0x000800, /**< Read EOF from stream */
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Push_Eof_Stream_f = 0x001000, /**< keep on sending EOFs */
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Seekable_Stream_f =
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0x002000, /**< we can jump around the stream (std regular files) */
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Promptable_Stream_f = 0x004000, /**< Interactive line-by-line stream */
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Client_Socket_Stream_f = 0x008000, /**< socket in client mode */
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Server_Socket_Stream_f = 0x010000, /**< socket in server mode */
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InMemory_Stream_f = 0x020000, /**< buffer */
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Pipe_Stream_f = 0x040000, /**< FIFO buffer */
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Popen_Stream_f = 0x080000, /**< popen open, pipes mosylyn */
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User_Stream_f = 0x100000, /**< usually user_ipiy */
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HAS_BOM_f = 0x200000, /**< media for streamhas a BOM mar. */
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RepError_Prolog_f =
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0x400000, /**< handle representation error as Prolog terms */
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RepError_Xml_f = 0x800000, /**< handle representation error as XML objects */
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DoNotCloseOnAbort_Stream_f =
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0x1000000, /**< do not close the stream after an abort event */
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Readline_Stream_f = 0x2000000, /**< the stream is a readline stream */
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FreeOnClose_Stream_f =
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0x4000000, /**< the stream buffer should be releaed on close */
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CloseOnException_Stream_f =
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0x8000000 /**< the stream closed by Yap_Error and friends */
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} estream_f;
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typedef uint64_t stream_flags_t;
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/********* YAP C-Flags ***********************/
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typedef enum {
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YAPC_ENABLE_GC, /* enable or disable garbage collection */
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YAPC_ENABLE_AGC /* enable or disable atom garbage collection */
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} yap_flag_gc_t;
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typedef enum yap_enum_reset_t {
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YAP_EXEC_ABSMI = 0,
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YAP_FULL_RESET = 1,
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YAP_RESET_FROM_RESTORE = 3
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} yap_reset_t;
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typedef bool (*YAP_ModInit_t)(void);
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typedef struct {
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YAP_ModInit_t f;
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const char *s;
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} YAP_delaymodule_t;
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#endif /* _YAPDEFS_H */
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