1457 lines
43 KiB
C
1457 lines
43 KiB
C
/*************************************************************************
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* *
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* YAP Prolog *
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* *
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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: init.c *
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* Last rev: *
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* mods: *
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* comments: initializing a prolog session *
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* *
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*************************************************************************/
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#ifdef SCCS
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static char SccsId[] = "%W% %G%";
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#endif
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/*
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* The code from this file is used to initialize the environment for prolog
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*
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*/
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#include "Yap.h"
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#include "yapio.h"
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#include "alloc.h"
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#include "clause.h"
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#include "Foreign.h"
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#ifdef LOW_LEVEL_TRACER
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#include "tracer.h"
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#endif
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#ifdef YAPOR
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#include "or.macros.h"
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#endif /* YAPOR */
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#if defined(YAPOR) || defined(TABLING)
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#if HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#if HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif
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#if HAVE_FCNTL_H
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#include <fcntl.h>
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#endif
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#endif /* YAPOR || TABLING */
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#if HAVE_STRING_H
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#include <string.h>
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#endif
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#ifdef DEBUG
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#define LOGFILE "logfile"
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int Yap_output_msg = FALSE;
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#ifdef MACC
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STATIC_PROTO(void InTTYLine, (char *));
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#endif
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#endif
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STATIC_PROTO(void SetOp, (int, int, char *, Term));
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STATIC_PROTO(void InitOps, (void));
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STATIC_PROTO(void InitDebug, (void));
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#ifdef CUT_C
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STATIC_PROTO(void CleanBack, (PredEntry *, CPredicate, CPredicate, CPredicate));
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#else
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STATIC_PROTO(void CleanBack, (PredEntry *, CPredicate, CPredicate));
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#endif
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STATIC_PROTO(void InitStdPreds,(void));
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STATIC_PROTO(void InitFlags, (void));
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STATIC_PROTO(void InitCodes, (void));
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STATIC_PROTO(void InitVersion, (void));
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STD_PROTO(void exit, (int));
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/************** YAP PROLOG GLOBAL VARIABLES *************************/
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/************* variables related to memory allocation ***************/
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ADDR Yap_HeapBase;
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#if defined(THREADS)
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struct restore_info rinfo[MAX_THREADS];
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struct thread_globs Yap_thread_gl[MAX_THREADS];
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#else
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struct restore_info rinfo;
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ADDR Yap_HeapBase,
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Yap_LocalBase,
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Yap_GlobalBase,
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Yap_TrailBase,
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Yap_TrailTop;
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/************ variables concerned with Error Handling *************/
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char *Yap_ErrorMessage; /* used to pass error messages */
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Term Yap_Error_Term; /* used to pass error terms */
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yap_error_number Yap_Error_TYPE; /* used to pass the error */
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UInt Yap_Error_Size; /* used to pass a size associated with an error */
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/******************* storing error messages ****************************/
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char Yap_ErrorSay[MAX_ERROR_MSG_SIZE];
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/* if we botched in a LongIO operation */
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jmp_buf Yap_IOBotch;
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/* if we botched in the compiler */
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jmp_buf Yap_CompilerBotch;
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/************ variables concerned with Error Handling *************/
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sigjmp_buf Yap_RestartEnv; /* used to restart after an abort execution */
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/********* IO support *****/
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/********* parsing ********************************************/
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TokEntry *Yap_tokptr, *Yap_toktide;
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VarEntry *Yap_VarTable, *Yap_AnonVarTable;
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int Yap_eot_before_eof = FALSE;
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/******************* intermediate buffers **********************/
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char Yap_FileNameBuf[YAP_FILENAME_MAX],
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Yap_FileNameBuf2[YAP_FILENAME_MAX];
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#endif /* THREADS */
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/******** whether Yap is responsible for signal handling******************/
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int Yap_PrologShouldHandleInterrupts;
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/********* readline support *****/
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#if HAVE_LIBREADLINE
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char *_line = (char *) NULL;
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#endif
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#ifdef MPWSHELL
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/********** informing if we are in the MPW shell ********************/
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int mpwshell = FALSE;
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#endif
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#ifdef EMACS
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int emacs_mode = FALSE;
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char emacs_tmp[256], emacs_tmp2[256];
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#endif
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/********* Prolog State ********************************************/
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Int Yap_PrologMode = BootMode;
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int Yap_CritLocks = 0;
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/********* streams ********************************************/
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int Yap_c_input_stream, Yap_c_output_stream, Yap_c_error_stream;
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YP_FILE *Yap_stdin;
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YP_FILE *Yap_stdout;
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YP_FILE *Yap_stderr;
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/************** Access to yap initial arguments ***************************/
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char **Yap_argv;
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int Yap_argc;
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/************** Extensions to Terms ***************************************/
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#ifdef COROUTINING
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/* array with the ops for your favourite extensions */
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ext_op attas[attvars_ext+1];
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#endif
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/************** declarations local to init.c ************************/
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static char *optypes[] =
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{"", "xfx", "xfy", "yfx", "xf", "yf", "fx", "fy"};
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/* OS page size for memory allocation */
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int Yap_page_size;
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#if USE_THREADED_CODE
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/* easy access to instruction opcodes */
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void **Yap_ABSMI_OPCODES;
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#endif
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#if USE_SOCKET
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int Yap_sockets_io=0;
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#endif
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#if DEBUG
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#if COROUTINING
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int Yap_Portray_delays = FALSE;
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#endif
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#endif
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#ifdef LOW_LEVEL_TRACER
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int Yap_do_low_level_trace = FALSE;
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#endif
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#define xfx 1
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#define xfy 2
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#define yfx 3
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#define xf 4
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#define yf 5
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#define fx 6
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#define fy 7
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int
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Yap_IsOpType(char *type)
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{
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int i;
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for (i = 1; i <= 7; ++i)
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if (strcmp(type, optypes[i]) == 0)
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break;
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return (i <= 7);
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}
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static int
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OpDec(int p, char *type, Atom a, Term m)
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{
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int i;
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AtomEntry *ae = RepAtom(a);
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OpEntry *info;
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for (i = 1; i <= 7; ++i)
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if (strcmp(type, optypes[i]) == 0)
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break;
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if (i > 7) {
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Yap_Error(DOMAIN_ERROR_OPERATOR_SPECIFIER,MkAtomTerm(Yap_LookupAtom(type)),"op/3");
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return(FALSE);
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}
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if (p) {
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if (i == 1 || i == 2 || i == 4)
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p |= DcrlpFlag;
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if (i == 1 || i == 3 || i == 6)
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p |= DcrrpFlag;
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}
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WRITE_LOCK(ae->ARWLock);
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info = RepOpProp(Yap_GetAPropHavingLock(ae, OpProperty));
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if (EndOfPAEntr(info)) {
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info = (OpEntry *) Yap_AllocAtomSpace(sizeof(OpEntry));
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info->KindOfPE = Ord(OpProperty);
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info->NextOfPE = RepAtom(a)->PropsOfAE;
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info->OpModule = m;
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info->OpName = a;
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LOCK(OpListLock);
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info->OpNext = OpList;
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OpList = info;
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UNLOCK(OpListLock);
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RepAtom(a)->PropsOfAE = AbsOpProp(info);
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INIT_RWLOCK(info->OpRWLock);
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WRITE_LOCK(info->OpRWLock);
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WRITE_UNLOCK(ae->ARWLock);
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info->Prefix = info->Infix = info->Posfix = 0;
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} else {
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WRITE_LOCK(info->OpRWLock);
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WRITE_UNLOCK(ae->ARWLock);
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}
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if (i <= 3) {
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if (yap_flags[STRICT_ISO_FLAG] &&
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info->Posfix != 0) /* there is a posfix operator */ {
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/* ISO dictates */
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WRITE_UNLOCK(info->OpRWLock);
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Yap_Error(PERMISSION_ERROR_CREATE_OPERATOR,MkAtomTerm(a),"op/3");
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return(FALSE);
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}
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info->Infix = p;
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} else if (i <= 5) {
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if (yap_flags[STRICT_ISO_FLAG] &&
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info->Infix != 0) /* there is an infix operator */ {
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/* ISO dictates */
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WRITE_UNLOCK(info->OpRWLock);
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Yap_Error(PERMISSION_ERROR_CREATE_OPERATOR,MkAtomTerm(a),"op/3");
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return(FALSE);
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}
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info->Posfix = p;
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} else {
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info->Prefix = p;
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}
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WRITE_UNLOCK(info->OpRWLock);
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return (TRUE);
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}
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int
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Yap_OpDec(int p, char *type, Atom a, Term m)
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{
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return(OpDec(p,type,a,m));
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}
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static void
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SetOp(int p, int type, char *at, Term m)
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{
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#ifdef DEBUG
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if (Yap_Option[5])
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fprintf(stderr,"[setop %d %s %s]\n", p, optypes[type], at);
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#endif
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OpDec(p, optypes[type], Yap_LookupAtom(at), m);
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}
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/* Gets the info about an operator in a prop */
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Atom
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Yap_GetOp(OpEntry *pp, int *prio, int fix)
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{
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int n;
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SMALLUNSGN p;
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if (fix == 0) {
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p = pp->Prefix;
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if (p & DcrrpFlag)
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n = 6, *prio = (p ^ DcrrpFlag);
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else
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n = 7, *prio = p;
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} else if (fix == 1) {
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p = pp->Posfix;
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if (p & DcrlpFlag)
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n = 4, *prio = (p ^ DcrlpFlag);
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else
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n = 5, *prio = p;
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} else {
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p = pp->Infix;
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if ((p & DcrrpFlag) && (p & DcrlpFlag))
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n = 1, *prio = (p ^ (DcrrpFlag | DcrlpFlag));
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else if (p & DcrrpFlag)
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n = 3, *prio = (p ^ DcrrpFlag);
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else if (p & DcrlpFlag)
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n = 2, *prio = (p ^ DcrlpFlag);
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else
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n = 4, *prio = p;
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}
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return Yap_LookupAtom(optypes[n]);
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}
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typedef struct OPSTRUCT {
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char *opName;
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short int opType, opPrio;
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} Opdef;
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static Opdef Ops[] = {
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{":-", xfx, 1200},
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{"-->", xfx, 1200},
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{"?-", fx, 1200},
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{":-", fx, 1200},
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{"dynamic", fx, 1150},
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{"thread_local", fx, 1150},
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{"initialization", fx, 1150},
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{"mode", fx, 1150},
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{"public", fx, 1150},
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{"multifile", fx, 1150},
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{"meta_predicate", fx, 1150},
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{"module_transparent", fx, 1150},
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{"discontiguous", fx, 1150},
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#ifdef YAPOR
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{"sequential", fx, 1150},
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#endif /* YAPOR */
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#ifdef TABLING
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{"table", fx, 1150},
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#endif /* TABLING */
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#ifndef UNCUTABLE
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{"uncutable", fx, 1150},
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#endif /*UNCUTABLE ceh:*/
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{";", xfy, 1100},
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{"|", xfy, 1100},
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/* {";", yf, 1100}, not allowed in ISO */
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{"->", xfy, 1050},
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{"*->", xfy, 1050},
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{",", xfy, 1000},
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{".", xfy, 999},
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{"\\+", fy, 900},
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{"not", fy, 900},
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{"=", xfx, 700},
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{"\\=", xfx, 700},
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{"is", xfx, 700},
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{"=..", xfx, 700},
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{"==", xfx, 700},
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{"\\==", xfx, 700},
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{"@<", xfx, 700},
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{"@>", xfx, 700},
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{"@=<", xfx, 700},
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{"@>=", xfx, 700},
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{"=@=", xfx, 700},
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{"\\=@=", xfx, 700},
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{"=:=", xfx, 700},
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{"=\\=", xfx, 700},
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{"<", xfx, 700},
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{">", xfx, 700},
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{"=<", xfx, 700},
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{">=", xfx, 700},
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{"as", xfx, 600},
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{":", xfy, 600},
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{"+", yfx, 500},
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{"-", yfx, 500},
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{"/\\", yfx, 500},
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{"\\/", yfx, 500},
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{"#", yfx, 500},
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{"+", fx, 500},
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{"-", fy, 200},
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{"\\", fx, 500},
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{"rdiv", yfx, 400},
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{"*", yfx, 400},
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{"/", yfx, 400},
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{"//", yfx, 400},
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{"<<", yfx, 400},
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{">>", yfx, 400},
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{"mod", yfx, 400},
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{"rem", yfx, 400},
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{"//", yfx, 400},
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{"**", xfx, 200},
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{"^", xfy, 200}
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};
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static void
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InitOps(void)
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{
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unsigned int i;
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for (i = 0; i < sizeof(Ops) / sizeof(*Ops); ++i)
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SetOp(Ops[i].opPrio, Ops[i].opType, Ops[i].opName, PROLOG_MODULE);
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}
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#ifdef DEBUG
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#ifdef HAVE_ISATTY
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#include <unistd.h>
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#endif
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#endif
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static void
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InitDebug(void)
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{
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Atom At;
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#ifdef DEBUG
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int i;
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for (i = 1; i < 20; ++i)
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Yap_Option[i] = 0;
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if (Yap_output_msg) {
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char ch;
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#if HAVE_ISATTY
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if (!isatty (0)) {
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return;
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}
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#endif
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fprintf(stderr,"absmi address:%p\n", FunAdr(Yap_absmi));
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fprintf(stderr,"Set Trace Options:\n");
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fprintf(stderr,"a getch\t\tb token\t\tc Lookup\td LookupVar\ti Index\n");
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fprintf(stderr,"e SetOp\t\tf compile\tg icode\t\th boot\t\tl log\n");
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fprintf(stderr,"m Machine\t p parser\n");
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while ((ch = YP_putchar(YP_getchar())) != '\n')
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if (ch >= 'a' && ch <= 'z')
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Yap_Option[ch - 'a' + 1] = 1;
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if (Yap_Option['l' - 96]) {
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Yap_logfile = fopen(LOGFILE, "w");
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if (Yap_logfile == NULL) {
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fprintf(stderr,"can not open %s\n", LOGFILE);
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getchar();
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exit(0);
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}
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fprintf(stderr,"logging session to file 'logfile'\n");
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#ifdef MAC
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Yap_SetTextFile(LOGFILE);
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lp = my_line;
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curfile = Nill;
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#endif
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}
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}
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#endif
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/* Set at full leash */
|
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At = AtomLeash;
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Yap_PutValue(At, MkIntTerm(15));
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}
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void
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Yap_InitCPred(char *Name, unsigned long int Arity, CPredicate code, int flags)
|
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{
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Atom atom = NIL;
|
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PredEntry *pe = NULL;
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yamop *p_code;
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StaticClause *cl = NULL;
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Functor f = NULL;
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while (atom == NIL) {
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atom = Yap_FullLookupAtom(Name);
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if (atom == NIL && !Yap_growheap(FALSE, 0L, NULL)) {
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Yap_Error(OUT_OF_HEAP_ERROR,TermNil,"while initialising %s", Name);
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return;
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}
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}
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if (Arity) {
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while (!f) {
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f = Yap_MkFunctor(atom,Arity);
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if (!f && !Yap_growheap(FALSE, 0L, NULL)) {
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Yap_Error(OUT_OF_HEAP_ERROR,TermNil,"while initialising %s", Name);
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return;
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}
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}
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}
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while (pe == NULL) {
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if (Arity)
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pe = RepPredProp(PredPropByFunc(f,CurrentModule));
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else
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pe = RepPredProp(PredPropByAtom(atom,CurrentModule));
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if (!pe && !Yap_growheap(FALSE, sizeof(PredEntry), NULL)) {
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Yap_Error(OUT_OF_HEAP_ERROR,TermNil,"while initialising %s", Name);
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return;
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}
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}
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if (pe->PredFlags & CPredFlag) {
|
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/* already exists */
|
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cl = ClauseCodeToStaticClause(pe->CodeOfPred);
|
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if ((flags | StandardPredFlag | CPredFlag) != pe->PredFlags) {
|
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Yap_ClauseSpace -= cl->ClSize;
|
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Yap_FreeCodeSpace((ADDR)cl);
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cl = NULL;
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}
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}
|
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p_code = cl->ClCode;
|
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while (!cl) {
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UInt sz;
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|
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if (flags & SafePredFlag) {
|
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sz = (CELL)NEXTOP(NEXTOP(NEXTOP(p_code,Osbpp),p),l);
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} else {
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sz = (CELL)NEXTOP(NEXTOP(NEXTOP(NEXTOP(NEXTOP(p_code,e),Osbpp),p),p),l);
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}
|
|
cl = (StaticClause *)Yap_AllocCodeSpace(sz);
|
|
if (!cl) {
|
|
if (!Yap_growheap(FALSE, sz, NULL)) {
|
|
Yap_Error(OUT_OF_HEAP_ERROR,TermNil,"while initialising %s", Name);
|
|
return;
|
|
}
|
|
} else {
|
|
Yap_ClauseSpace += sz;
|
|
cl->ClFlags = StaticMask;
|
|
cl->ClNext = NULL;
|
|
cl->ClSize = sz;
|
|
cl->usc.ClPred = pe;
|
|
p_code = cl->ClCode;
|
|
}
|
|
}
|
|
|
|
pe->CodeOfPred = p_code;
|
|
pe->PredFlags = flags | StandardPredFlag | CPredFlag;
|
|
pe->cs.f_code = code;
|
|
if (!(flags & SafePredFlag)) {
|
|
p_code->opc = Yap_opcode(_allocate);
|
|
p_code = NEXTOP(p_code,e);
|
|
}
|
|
if (flags & UserCPredFlag)
|
|
p_code->opc = Yap_opcode(_call_usercpred);
|
|
else
|
|
p_code->opc = Yap_opcode(_call_cpred);
|
|
p_code->u.Osbpp.bmap = NULL;
|
|
p_code->u.Osbpp.s = -Signed(RealEnvSize);
|
|
p_code->u.Osbpp.p =
|
|
p_code->u.Osbpp.p0 =
|
|
pe;
|
|
p_code = NEXTOP(p_code,Osbpp);
|
|
if (!(flags & SafePredFlag)) {
|
|
p_code->opc = Yap_opcode(_deallocate);
|
|
p_code->u.p.p = pe;
|
|
p_code = NEXTOP(p_code,p);
|
|
}
|
|
p_code->opc = Yap_opcode(_procceed);
|
|
p_code->u.p.p = pe;
|
|
p_code = NEXTOP(p_code,p);
|
|
p_code->opc = Yap_opcode(_Ystop);
|
|
p_code->u.l.l = cl->ClCode;
|
|
pe->OpcodeOfPred = pe->CodeOfPred->opc;
|
|
}
|
|
|
|
void
|
|
Yap_InitCmpPred(char *Name, unsigned long int Arity, CmpPredicate cmp_code, int flags)
|
|
{
|
|
Atom atom = NIL;
|
|
PredEntry *pe = NULL;
|
|
yamop *p_code = NULL;
|
|
StaticClause *cl = NULL;
|
|
Functor f = NULL;
|
|
|
|
while (atom == NIL) {
|
|
atom = Yap_FullLookupAtom(Name);
|
|
if (atom == NIL && !Yap_growheap(FALSE, 0L, NULL)) {
|
|
Yap_Error(OUT_OF_HEAP_ERROR,TermNil,"while initialising %s", Name);
|
|
return;
|
|
}
|
|
}
|
|
if (Arity) {
|
|
while (!f) {
|
|
f = Yap_MkFunctor(atom,Arity);
|
|
if (!f && !Yap_growheap(FALSE, 0L, NULL)) {
|
|
Yap_Error(OUT_OF_HEAP_ERROR,TermNil,"while initialising %s", Name);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
while (pe == NULL) {
|
|
if (Arity)
|
|
pe = RepPredProp(PredPropByFunc(f,CurrentModule));
|
|
else
|
|
pe = RepPredProp(PredPropByAtom(atom,CurrentModule));
|
|
if (!pe && !Yap_growheap(FALSE, sizeof(PredEntry), NULL)) {
|
|
Yap_Error(OUT_OF_HEAP_ERROR,TermNil,"while initialising %s", Name);
|
|
return;
|
|
}
|
|
}
|
|
if (pe->PredFlags & CPredFlag) {
|
|
p_code = pe->CodeOfPred;
|
|
/* already exists */
|
|
} else {
|
|
while (!cl) {
|
|
UInt sz = sizeof(StaticClause)+(CELL)NEXTOP(NEXTOP(NEXTOP(((yamop *)NULL),plxxs),p),l);
|
|
cl = (StaticClause *)Yap_AllocCodeSpace(sz);
|
|
if (!cl) {
|
|
if (!Yap_growheap(FALSE, sz, NULL)) {
|
|
Yap_Error(OUT_OF_HEAP_ERROR,TermNil,"while initialising %s", Name);
|
|
return;
|
|
}
|
|
} else {
|
|
Yap_ClauseSpace += sz;
|
|
cl->ClFlags = StaticMask;
|
|
cl->ClNext = NULL;
|
|
cl->ClSize = sz;
|
|
cl->usc.ClPred = pe;
|
|
p_code = cl->ClCode;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
pe->PredFlags = flags | StandardPredFlag | CPredFlag;
|
|
pe->CodeOfPred = p_code;
|
|
pe->cs.d_code = cmp_code;
|
|
pe->ModuleOfPred = CurrentModule;
|
|
p_code->opc = pe->OpcodeOfPred = Yap_opcode(_call_bfunc_xx);
|
|
p_code->u.plxxs.p = pe;
|
|
p_code->u.plxxs.f = FAILCODE;
|
|
p_code->u.plxxs.x1 = Yap_emit_x(1);
|
|
p_code->u.plxxs.x2 = Yap_emit_x(2);
|
|
p_code->u.plxxs.flags = Yap_compile_cmp_flags(pe);
|
|
p_code = NEXTOP(p_code,plxxs);
|
|
p_code->opc = Yap_opcode(_procceed);
|
|
p_code->u.p.p = pe;
|
|
p_code = NEXTOP(p_code,p);
|
|
p_code->opc = Yap_opcode(_Ystop);
|
|
p_code->u.l.l = cl->ClCode;
|
|
}
|
|
|
|
void
|
|
Yap_InitAsmPred(char *Name, unsigned long int Arity, int code, CPredicate def, int flags)
|
|
{
|
|
Atom atom = NIL;
|
|
PredEntry *pe = NULL;
|
|
Functor f = NULL;
|
|
|
|
while (atom == NIL) {
|
|
atom = Yap_FullLookupAtom(Name);
|
|
if (atom == NIL && !Yap_growheap(FALSE, 0L, NULL)) {
|
|
Yap_Error(OUT_OF_HEAP_ERROR,TermNil,"while initialising %s", Name);
|
|
return;
|
|
}
|
|
}
|
|
if (Arity) {
|
|
while (!f) {
|
|
f = Yap_MkFunctor(atom,Arity);
|
|
if (!f && !Yap_growheap(FALSE, 0L, NULL)) {
|
|
Yap_Error(OUT_OF_HEAP_ERROR,TermNil,"while initialising %s", Name);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
while (pe == NULL) {
|
|
if (Arity)
|
|
pe = RepPredProp(PredPropByFunc(f,CurrentModule));
|
|
else
|
|
pe = RepPredProp(PredPropByAtom(atom,CurrentModule));
|
|
if (!pe && !Yap_growheap(FALSE, sizeof(PredEntry), NULL)) {
|
|
Yap_Error(OUT_OF_HEAP_ERROR,TermNil,"while initialising %s", Name);
|
|
return;
|
|
}
|
|
}
|
|
pe->PredFlags = flags | AsmPredFlag | StandardPredFlag | (code);
|
|
pe->cs.f_code = def;
|
|
pe->ModuleOfPred = CurrentModule;
|
|
if (def != NULL) {
|
|
yamop *p_code = ((StaticClause *)NULL)->ClCode;
|
|
StaticClause *cl;
|
|
|
|
if (pe->CodeOfPred == (yamop *)(&(pe->OpcodeOfPred))) {
|
|
cl = (StaticClause *)Yap_AllocCodeSpace((CELL)NEXTOP(NEXTOP(NEXTOP(((yamop *)p_code),Osbpp),p),l));
|
|
if (!cl) {
|
|
Yap_Error(OUT_OF_HEAP_ERROR,TermNil,"No Heap Space in InitAsmPred");
|
|
return;
|
|
}
|
|
Yap_ClauseSpace += (CELL)NEXTOP(NEXTOP(NEXTOP(((yamop *)p_code),Osbpp),p),l);
|
|
} else {
|
|
cl = ClauseCodeToStaticClause(pe->CodeOfPred);
|
|
}
|
|
cl->ClFlags = StaticMask;
|
|
cl->ClNext = NULL;
|
|
cl->ClSize = (CELL)NEXTOP(NEXTOP(NEXTOP(((yamop *)p_code),Osbpp),e),e);
|
|
cl->usc.ClPred = pe;
|
|
p_code = cl->ClCode;
|
|
pe->CodeOfPred = p_code;
|
|
p_code->opc = pe->OpcodeOfPred = Yap_opcode(_call_cpred);
|
|
p_code->u.Osbpp.bmap = NULL;
|
|
p_code->u.Osbpp.s = -Signed(RealEnvSize);
|
|
p_code->u.Osbpp.p = p_code->u.Osbpp.p0 = pe;
|
|
p_code = NEXTOP(p_code,Osbpp);
|
|
p_code->opc = Yap_opcode(_procceed);
|
|
p_code->u.p.p = pe;
|
|
p_code = NEXTOP(p_code,p);
|
|
p_code->opc = Yap_opcode(_Ystop);
|
|
p_code->u.l.l = cl->ClCode;
|
|
} else {
|
|
pe->OpcodeOfPred = Yap_opcode(_undef_p);
|
|
pe->CodeOfPred = (yamop *)(&(pe->OpcodeOfPred));
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
#ifdef CUT_C
|
|
CleanBack(PredEntry *pe, CPredicate Start, CPredicate Cont, CPredicate Cut)
|
|
#else
|
|
CleanBack(PredEntry *pe, CPredicate Start, CPredicate Cont)
|
|
#endif
|
|
{
|
|
yamop *code;
|
|
if (pe->cs.p_code.FirstClause != pe->cs.p_code.LastClause ||
|
|
pe->cs.p_code.TrueCodeOfPred != pe->cs.p_code.FirstClause ||
|
|
pe->CodeOfPred != pe->cs.p_code.FirstClause) {
|
|
Yap_Error(SYSTEM_ERROR,TermNil,
|
|
"initiating a C Pred with backtracking");
|
|
return;
|
|
}
|
|
code = (yamop *)(pe->cs.p_code.FirstClause);
|
|
if (pe->PredFlags & UserCPredFlag)
|
|
code->opc = Yap_opcode(_try_userc);
|
|
else
|
|
code->opc = Yap_opcode(_try_c);
|
|
#ifdef YAPOR
|
|
INIT_YAMOP_LTT(code, 2);
|
|
PUT_YAMOP_SEQ(code);
|
|
#endif /* YAPOR */
|
|
code->u.OtapFs.f = Start;
|
|
code = NEXTOP(code,OtapFs);
|
|
if (pe->PredFlags & UserCPredFlag)
|
|
code->opc = Yap_opcode(_retry_userc);
|
|
else
|
|
code->opc = Yap_opcode(_retry_c);
|
|
#ifdef YAPOR
|
|
INIT_YAMOP_LTT(code, 1);
|
|
PUT_YAMOP_SEQ(code);
|
|
#endif /* YAPOR */
|
|
code->u.OtapFs.f = Cont;
|
|
#ifdef CUT_C
|
|
code = NEXTOP(code,OtapFs);
|
|
if (pe->PredFlags & UserCPredFlag)
|
|
code->opc = Yap_opcode(_cut_c);
|
|
else
|
|
code->opc = Yap_opcode(_cut_userc);
|
|
code->u.OtapFs.f = Cut;
|
|
#endif
|
|
}
|
|
|
|
|
|
#ifdef CUT_C
|
|
void
|
|
Yap_InitCPredBack(char *Name, unsigned long int Arity,
|
|
unsigned int Extra, CPredicate Start,
|
|
CPredicate Cont,int flags){
|
|
Yap_InitCPredBack_(Name,Arity,Extra,Start,Cont,NULL,flags);
|
|
}
|
|
|
|
void
|
|
Yap_InitCPredBackCut(char *Name, unsigned long int Arity,
|
|
unsigned int Extra, CPredicate Start,
|
|
CPredicate Cont,CPredicate Cut,int flags){
|
|
Yap_InitCPredBack_(Name,Arity,Extra,Start,Cont,Cut,flags);
|
|
}
|
|
#endif /* CUT_C */
|
|
|
|
void
|
|
#ifdef CUT_C
|
|
Yap_InitCPredBack_(char *Name, unsigned long int Arity,
|
|
unsigned int Extra, CPredicate Start,
|
|
CPredicate Cont, CPredicate Cut,int flags)
|
|
#else
|
|
Yap_InitCPredBack(char *Name, unsigned long int Arity,
|
|
unsigned int Extra, CPredicate Start,
|
|
CPredicate Cont, int flags)
|
|
#endif
|
|
{
|
|
PredEntry *pe = NULL;
|
|
Atom atom = NIL;
|
|
Functor f = NULL;
|
|
|
|
while (atom == NIL) {
|
|
atom = Yap_FullLookupAtom(Name);
|
|
if (atom == NIL && !Yap_growheap(FALSE, 0L, NULL)) {
|
|
Yap_Error(OUT_OF_HEAP_ERROR,TermNil,"while initialising %s", Name);
|
|
return;
|
|
}
|
|
}
|
|
if (Arity) {
|
|
while (!f) {
|
|
f = Yap_MkFunctor(atom,Arity);
|
|
if (!f && !Yap_growheap(FALSE, 0L, NULL)) {
|
|
Yap_Error(OUT_OF_HEAP_ERROR,TermNil,"while initialising %s", Name);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
while (pe == NULL) {
|
|
if (Arity)
|
|
pe = RepPredProp(PredPropByFunc(f,CurrentModule));
|
|
else
|
|
pe = RepPredProp(PredPropByAtom(atom,CurrentModule));
|
|
if (!pe && !Yap_growheap(FALSE, sizeof(PredEntry), NULL)) {
|
|
Yap_Error(OUT_OF_HEAP_ERROR,TermNil,"while initialising %s", Name);
|
|
return;
|
|
}
|
|
}
|
|
if (pe->cs.p_code.FirstClause != NIL)
|
|
{
|
|
#ifdef CUT_C
|
|
CleanBack(pe, Start, Cont, Cut);
|
|
#else
|
|
CleanBack(pe, Start, Cont);
|
|
#endif /*CUT_C*/
|
|
}
|
|
else {
|
|
StaticClause *cl;
|
|
yamop *code = ((StaticClause *)NULL)->ClCode;
|
|
if (flags & UserCPredFlag)
|
|
pe->PredFlags = UserCPredFlag | CompiledPredFlag | StandardPredFlag;
|
|
else
|
|
pe->PredFlags = CompiledPredFlag | StandardPredFlag;
|
|
|
|
#ifdef YAPOR
|
|
pe->PredFlags |= SequentialPredFlag;
|
|
#endif /* YAPOR */
|
|
|
|
#ifdef CUT_C
|
|
cl = (StaticClause *)Yap_AllocCodeSpace((CELL)NEXTOP(NEXTOP(NEXTOP(NEXTOP(code,OtapFs),OtapFs),OtapFs),l));
|
|
#else
|
|
cl = (StaticClause *)Yap_AllocCodeSpace((CELL)NEXTOP(NEXTOP(NEXTOP(code,OtapFs),OtapFs),l));
|
|
#endif
|
|
|
|
if (cl == NULL) {
|
|
Yap_Error(OUT_OF_HEAP_ERROR,TermNil,"No Heap Space in InitCPredBack");
|
|
return;
|
|
}
|
|
cl->ClFlags = StaticMask;
|
|
cl->ClNext = NULL;
|
|
#ifdef CUT_C
|
|
Yap_ClauseSpace += (CELL)NEXTOP(NEXTOP(NEXTOP(NEXTOP(code,OtapFs),OtapFs),OtapFs),l);
|
|
cl->ClSize =
|
|
(CELL)NEXTOP(NEXTOP(NEXTOP(NEXTOP(code,OtapFs),OtapFs),OtapFs),e);
|
|
#else
|
|
Yap_ClauseSpace += (CELL)NEXTOP(NEXTOP(NEXTOP(code,OtapFs),OtapFs),l);
|
|
cl->ClSize =
|
|
(CELL)NEXTOP(NEXTOP(NEXTOP(code,OtapFs),OtapFs),e);
|
|
#endif
|
|
cl->usc.ClPred = pe;
|
|
|
|
code = cl->ClCode;
|
|
pe->cs.p_code.TrueCodeOfPred = pe->CodeOfPred =
|
|
pe->cs.p_code.FirstClause = pe->cs.p_code.LastClause = code;
|
|
if (flags & UserCPredFlag)
|
|
pe->OpcodeOfPred = code->opc = Yap_opcode(_try_userc);
|
|
else
|
|
pe->OpcodeOfPred = code->opc = Yap_opcode(_try_c);
|
|
code->u.OtapFs.f = Start;
|
|
code->u.OtapFs.p = pe;
|
|
code->u.OtapFs.s = Arity;
|
|
code->u.OtapFs.extra = Extra;
|
|
#ifdef YAPOR
|
|
INIT_YAMOP_LTT(code, 2);
|
|
PUT_YAMOP_SEQ(code);
|
|
#endif /* YAPOR */
|
|
code = NEXTOP(code,OtapFs);
|
|
if (flags & UserCPredFlag)
|
|
code->opc = Yap_opcode(_retry_userc);
|
|
else
|
|
code->opc = Yap_opcode(_retry_c);
|
|
code->u.OtapFs.f = Cont;
|
|
code->u.OtapFs.p = pe;
|
|
code->u.OtapFs.s = Arity;
|
|
code->u.OtapFs.extra = Extra;
|
|
#ifdef YAPOR
|
|
INIT_YAMOP_LTT(code, 1);
|
|
PUT_YAMOP_SEQ(code);
|
|
#endif /* YAPOR */
|
|
code = NEXTOP(code,OtapFs);
|
|
#ifdef CUT_C
|
|
if (flags & UserCPredFlag)
|
|
code->opc = Yap_opcode(_cut_userc);
|
|
else
|
|
code->opc = Yap_opcode(_cut_c);
|
|
code->u.OtapFs.f = Cut;
|
|
code->u.OtapFs.p = pe;
|
|
code->u.OtapFs.s = Arity;
|
|
code->u.OtapFs.extra = Extra;
|
|
code = NEXTOP(code,OtapFs);
|
|
#endif /* CUT_C */
|
|
code->opc = Yap_opcode(_Ystop);
|
|
code->u.l.l = cl->ClCode;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
InitStdPreds(void)
|
|
{
|
|
Yap_InitCPreds();
|
|
Yap_InitBackCPreds();
|
|
}
|
|
|
|
static void
|
|
InitFlags(void)
|
|
{
|
|
/* note that Yap_heap_regs must be set first */
|
|
|
|
#if USE_GMP
|
|
yap_flags[YAP_INT_BOUNDED_FLAG] = 0;
|
|
#else
|
|
yap_flags[YAP_INT_BOUNDED_FLAG] = 1;
|
|
#endif
|
|
yap_flags[MAX_ARITY_FLAG] = -1;
|
|
yap_flags[INTEGER_ROUNDING_FLAG] = 0;
|
|
yap_flags[YAP_MAX_INTEGER_FLAG] = (Int)(~((CELL)1 << (sizeof(Int)*8-1)));
|
|
yap_flags[YAP_MIN_INTEGER_FLAG] = (Int)(((CELL)1 << (sizeof(Int)*8-1)));
|
|
yap_flags[CHAR_CONVERSION_FLAG] = 1;
|
|
yap_flags[YAP_DOUBLE_QUOTES_FLAG] = 1;
|
|
yap_flags[YAP_TO_CHARS_FLAG] = QUINTUS_TO_CHARS;
|
|
yap_flags[LANGUAGE_MODE_FLAG] = 0;
|
|
yap_flags[STRICT_ISO_FLAG] = FALSE;
|
|
yap_flags[SOURCE_MODE_FLAG] = FALSE;
|
|
yap_flags[CHARACTER_ESCAPE_FLAG] = SICSTUS_CHARACTER_ESCAPES;
|
|
yap_flags[WRITE_QUOTED_STRING_FLAG] = FALSE;
|
|
#if (defined(YAPOR) || defined(THREADS)) && PUREe_YAPOR
|
|
yap_flags[ALLOW_ASSERTING_STATIC_FLAG] = FALSE;
|
|
#else
|
|
yap_flags[ALLOW_ASSERTING_STATIC_FLAG] = TRUE;
|
|
#endif
|
|
yap_flags[GENERATE_DEBUG_INFO_FLAG] = TRUE;
|
|
/* current default */
|
|
yap_flags[INDEXING_MODE_FLAG] = INDEX_MODE_MULTI;
|
|
yap_flags[TABLING_MODE_FLAG] = 0;
|
|
yap_flags[QUIET_MODE_FLAG] = FALSE;
|
|
}
|
|
|
|
static void
|
|
InitCodes(void)
|
|
{
|
|
#include "iatoms.h"
|
|
Yap_heap_regs->term_prolog = MkAtomTerm(AtomProlog);
|
|
Yap_heap_regs->user_module = MkAtomTerm(AtomUser);
|
|
Yap_heap_regs->idb_module = MkAtomTerm(AtomIDB);
|
|
Yap_heap_regs->attributes_module = MkAtomTerm(AtomAttributes);
|
|
Yap_heap_regs->charsio_module = MkAtomTerm(AtomCharsio);
|
|
Yap_heap_regs->terms_module = MkAtomTerm(AtomTerms);
|
|
Yap_heap_regs->system_module = MkAtomTerm(AtomSystem);
|
|
Yap_heap_regs->readutil_module = MkAtomTerm(AtomReadutil);
|
|
Yap_heap_regs->hacks_module = MkAtomTerm(AtomYapHacks);
|
|
Yap_heap_regs->globals_module = MkAtomTerm(AtomNb);
|
|
Yap_heap_regs->arg_module = MkAtomTerm(AtomArg);
|
|
Yap_heap_regs->swi_module = MkAtomTerm(AtomSwi);
|
|
Yap_InitModules();
|
|
#ifdef BEAM
|
|
Yap_heap_regs->beam_retry_code.opc = Yap_opcode(_retry_eam);
|
|
#endif
|
|
#ifdef YAPOR
|
|
Yap_heap_regs->seq_def = TRUE;
|
|
Yap_heap_regs->getwork_code.opc = Yap_opcode(_getwork);
|
|
INIT_YAMOP_LTT(&(Yap_heap_regs->getwork_code), 0);
|
|
Yap_heap_regs->getwork_seq_code.opc = Yap_opcode(_getwork_seq);
|
|
INIT_YAMOP_LTT(&(Yap_heap_regs->getwork_seq_code), 0);
|
|
Yap_heap_regs->getwork_first_time_code.opc = Yap_opcode(_getwork_first_time);
|
|
#endif /* YAPOR */
|
|
#ifdef TABLING
|
|
Yap_heap_regs->table_load_answer_code.opc = Yap_opcode(_table_load_answer);
|
|
Yap_heap_regs->table_try_answer_code.opc = Yap_opcode(_table_try_answer);
|
|
Yap_heap_regs->table_completion_code.opc = Yap_opcode(_table_completion);
|
|
Yap_heap_regs->table_answer_resolution_code.opc = Yap_opcode(_table_answer_resolution);
|
|
#ifdef YAPOR
|
|
INIT_YAMOP_LTT(&(Yap_heap_regs->table_load_answer_code), 0);
|
|
INIT_YAMOP_LTT(&(Yap_heap_regs->table_try_answer_code), 0);
|
|
INIT_YAMOP_LTT(&(Yap_heap_regs->table_completion_code), 0);
|
|
INIT_YAMOP_LTT(&(Yap_heap_regs->table_answer_resolution_code), 0);
|
|
#endif /* YAPOR */
|
|
#endif /* TABLING */
|
|
Yap_heap_regs->execute_cpred_op_code = Yap_opcode(_execute_cpred);
|
|
Yap_heap_regs->expand_op_code = Yap_opcode(_expand_index);
|
|
INIT_LOCK(Yap_heap_regs->expand_clauses_list_lock);
|
|
#ifdef LOW_LEVEL_TRACER
|
|
INIT_LOCK(Yap_heap_regs->low_level_trace_lock);
|
|
#endif
|
|
Yap_heap_regs->expand_clauses_first = NULL;
|
|
Yap_heap_regs->expand_clauses_last = NULL;
|
|
Yap_heap_regs->expand_clauses = 0;
|
|
Yap_heap_regs->failcode->opc = Yap_opcode(_op_fail);
|
|
Yap_heap_regs->failcode_1 = Yap_opcode(_op_fail);
|
|
Yap_heap_regs->failcode_2 = Yap_opcode(_op_fail);
|
|
Yap_heap_regs->failcode_3 = Yap_opcode(_op_fail);
|
|
Yap_heap_regs->failcode_4 = Yap_opcode(_op_fail);
|
|
Yap_heap_regs->failcode_5 = Yap_opcode(_op_fail);
|
|
Yap_heap_regs->failcode_6 = Yap_opcode(_op_fail);
|
|
|
|
Yap_heap_regs->env_for_trustfail_code.op = Yap_opcode(_call);
|
|
Yap_heap_regs->env_for_trustfail_code.s = -Signed(RealEnvSize);
|
|
Yap_heap_regs->env_for_trustfail_code.l2 = NULL;
|
|
Yap_heap_regs->trustfailcode->opc = Yap_opcode(_trust_fail);
|
|
|
|
Yap_heap_regs->env_for_yes_code.op = Yap_opcode(_call);
|
|
Yap_heap_regs->env_for_yes_code.s = -Signed(RealEnvSize);
|
|
Yap_heap_regs->env_for_yes_code.l2 = NULL;
|
|
Yap_heap_regs->yescode.opc = Yap_opcode(_Ystop);
|
|
Yap_heap_regs->undef_op = Yap_opcode(_undef_p);
|
|
Yap_heap_regs->index_op = Yap_opcode(_index_pred);
|
|
Yap_heap_regs->lockpred_op = Yap_opcode(_lock_pred);
|
|
Yap_heap_regs->fail_op = Yap_opcode(_op_fail);
|
|
|
|
Yap_heap_regs->nocode.opc = Yap_opcode(_Nstop);
|
|
|
|
Yap_heap_regs->rtrycode.opc = Yap_opcode(_retry_and_mark);
|
|
Yap_heap_regs->rtrycode.u.Otapl.s = 0;
|
|
Yap_heap_regs->rtrycode.u.Otapl.d = NIL;
|
|
#ifdef YAPOR
|
|
INIT_YAMOP_LTT(&(Yap_heap_regs->rtrycode), 1);
|
|
#endif /* YAPOR */
|
|
|
|
#ifdef THREADS
|
|
INIT_LOCK(Yap_heap_regs->thread_handles_lock);
|
|
{
|
|
int i;
|
|
for (i=0; i < MAX_THREADS; i++) {
|
|
Yap_heap_regs->thread_handle[i].in_use = FALSE;
|
|
Yap_heap_regs->thread_handle[i].zombie = FALSE;
|
|
Yap_heap_regs->thread_handle[i].local_preds = NULL;
|
|
#ifdef LOW_LEVEL_TRACER
|
|
Yap_heap_regs->thread_handle[i].thread_inst_count = 0LL;
|
|
#endif
|
|
pthread_mutex_init(&Yap_heap_regs->thread_handle[i].tlock, NULL);
|
|
}
|
|
}
|
|
Yap_heap_regs->thread_handle[0].id = 0;
|
|
Yap_heap_regs->thread_handle[0].in_use = TRUE;
|
|
Yap_heap_regs->thread_handle[0].default_yaam_regs =
|
|
&Yap_standard_regs;
|
|
Yap_heap_regs->thread_handle[0].handle = pthread_self();
|
|
Yap_heap_regs->thread_handle[0].handle = pthread_self();
|
|
pthread_mutex_init(&ThreadHandle[0].tlock, NULL);
|
|
pthread_mutex_init(&ThreadHandle[0].tlock_status, NULL);
|
|
Yap_heap_regs->n_of_threads = 1;
|
|
Yap_heap_regs->n_of_threads_created = 1;
|
|
Yap_heap_regs->threads_total_time = 0;
|
|
#endif
|
|
#ifdef YAPOR
|
|
Yap_heap_regs->n_of_threads = 1;
|
|
#endif
|
|
#if defined(YAPOR) || defined(THREADS)
|
|
INIT_LOCK(Yap_heap_regs->bgl);
|
|
INIT_LOCK(Yap_heap_regs->free_blocks_lock);
|
|
INIT_LOCK(Yap_heap_regs->heap_used_lock);
|
|
INIT_LOCK(Yap_heap_regs->heap_top_lock);
|
|
INIT_LOCK(Yap_heap_regs->dead_static_clauses_lock);
|
|
INIT_LOCK(Yap_heap_regs->dead_mega_clauses_lock);
|
|
INIT_LOCK(Yap_heap_regs->dead_static_indices_lock);
|
|
INIT_LOCK(Yap_heap_regs->op_list_lock);
|
|
Yap_heap_regs->heap_top_owner = -1;
|
|
{
|
|
int i;
|
|
for (i=0; i < MAX_AGENTS; i++) {
|
|
INIT_LOCK(Yap_heap_regs->wl[i].signal_lock);
|
|
Yap_heap_regs->wl[i].active_signals = 0;
|
|
Yap_heap_regs->wl[i].scratchpad.ptr = NULL;
|
|
Yap_heap_regs->wl[i].scratchpad.sz = SCRATCH_START_SIZE;
|
|
Yap_heap_regs->wl[i].scratchpad.msz = SCRATCH_START_SIZE;
|
|
Yap_heap_regs->wl[i].dynamic_arrays = NULL;
|
|
Yap_heap_regs->wl[i].static_arrays = NULL;
|
|
Yap_heap_regs->wl[i].global_variables = NULL;
|
|
Yap_heap_regs->wl[i].global_arena = 0L;
|
|
Yap_heap_regs->wl[i].global_arena_overflows = 0;
|
|
Yap_heap_regs->wl[i].global_delay_arena = 0L;
|
|
Yap_heap_regs->wl[i].allow_restart = FALSE;
|
|
Yap_heap_regs->wl[i].tot_gc_time = 0;
|
|
Yap_heap_regs->wl[i].tot_gc_recovered = 0;
|
|
Yap_heap_regs->wl[i].gc_calls = 0;
|
|
Yap_heap_regs->wl[i].last_gc_time = 0;
|
|
Yap_heap_regs->wl[i].last_ss_time = 0;
|
|
Yap_heap_regs->wl[i].consultlow = (consult_obj *)Yap_AllocCodeSpace(sizeof(consult_obj)*InitialConsultCapacity);
|
|
if (Yap_heap_regs->wl[i].consultlow == NULL) {
|
|
Yap_Error(OUT_OF_HEAP_ERROR,TermNil,"No Heap Space in InitCodes");
|
|
return;
|
|
}
|
|
Yap_heap_regs->wl[i].consultcapacity = InitialConsultCapacity;
|
|
Yap_heap_regs->wl[i].consultbase = Yap_heap_regs->wl[i].consultsp =
|
|
Yap_heap_regs->wl[i].consultlow + Yap_heap_regs->wl[i].consultcapacity;
|
|
Yap_heap_regs->wl[i].Gc_timestamp = 0;
|
|
}
|
|
}
|
|
#else
|
|
Yap_heap_regs->wl.dynamic_arrays = NULL;
|
|
Yap_heap_regs->wl.static_arrays = NULL;
|
|
Yap_heap_regs->wl.global_variables = NULL;
|
|
Yap_heap_regs->wl.global_arena = 0L;
|
|
Yap_heap_regs->wl.global_arena_overflows = 0;
|
|
Yap_heap_regs->wl.allow_restart = FALSE;
|
|
Yap_heap_regs->wl.global_delay_arena = 0L;
|
|
Yap_heap_regs->wl.tot_gc_time = 0;
|
|
Yap_heap_regs->wl.tot_gc_recovered = 0;
|
|
Yap_heap_regs->wl.gc_calls = 0;
|
|
Yap_heap_regs->wl.last_gc_time = 0;
|
|
Yap_heap_regs->wl.last_ss_time = 0;
|
|
Yap_heap_regs->wl.consultlow = (consult_obj *)Yap_AllocCodeSpace(sizeof(consult_obj)*InitialConsultCapacity);
|
|
if (Yap_heap_regs->wl.consultlow == NULL) {
|
|
Yap_Error(OUT_OF_HEAP_ERROR,TermNil,"No Heap Space in InitCodes");
|
|
return;
|
|
}
|
|
Yap_heap_regs->wl.consultcapacity = InitialConsultCapacity;
|
|
Yap_heap_regs->wl.consultbase = Yap_heap_regs->wl.consultsp =
|
|
Yap_heap_regs->wl.consultlow + Yap_heap_regs->wl.consultcapacity;
|
|
#endif /* YAPOR */
|
|
Yap_heap_regs->clausecode->arity = 0;
|
|
Yap_heap_regs->clausecode->clause = NULL;
|
|
Yap_heap_regs->clausecode->func = NIL;
|
|
|
|
Yap_heap_regs->invisiblechain.Entry = NIL;
|
|
INIT_RWLOCK(Yap_heap_regs->invisiblechain.AERWLock);
|
|
|
|
{
|
|
Atom at;
|
|
PredEntry *pred;
|
|
|
|
at = AtomCreep;
|
|
pred = RepPredProp(PredPropByFunc(Yap_MkFunctor(at, 1),PROLOG_MODULE));
|
|
Yap_heap_regs->creep_code = pred;
|
|
at = AtomUndefp;
|
|
pred = RepPredProp(PredPropByFunc(Yap_MkFunctor(at, 1),PROLOG_MODULE));
|
|
Yap_heap_regs->undef_code = pred;
|
|
at = AtomSpy;
|
|
pred = RepPredProp(PredPropByFunc(Yap_MkFunctor(at, 1),0));
|
|
Yap_heap_regs->spy_code = pred;
|
|
Yap_heap_regs->env_for_trustfail_code.p =
|
|
Yap_heap_regs->env_for_trustfail_code.p0 =
|
|
RepPredProp(PredPropByAtom(Yap_FullLookupAtom("fail"),PROLOG_MODULE));
|
|
}
|
|
#if DEBUG
|
|
Yap_heap_regs->new_cps = 0;
|
|
Yap_heap_regs->live_cps = 0;
|
|
Yap_heap_regs->dirty_cps = 0;
|
|
Yap_heap_regs->freed_cps = 0;
|
|
#endif
|
|
Yap_heap_regs->system_profiling = FALSE;
|
|
Yap_heap_regs->system_call_counting = FALSE;
|
|
Yap_heap_regs->system_pred_goal_expansion_all = FALSE;
|
|
Yap_heap_regs->system_pred_goal_expansion_on = FALSE;
|
|
Yap_heap_regs->update_mode = UPDATE_MODE_LOGICAL;
|
|
Yap_heap_regs->compiler_compile_mode = 0; /* fast will be for native code */
|
|
Yap_heap_regs->compiler_optimizer_on = TRUE;
|
|
Yap_heap_regs->compiler_compile_arrays = FALSE;
|
|
Yap_heap_regs->maxdepth = 0;
|
|
Yap_heap_regs->maxlist = 0;
|
|
Yap_heap_regs->maxwriteargs = 0;
|
|
|
|
Yap_heap_regs->atprompt = 0;
|
|
#ifdef COROUTINING
|
|
Yap_heap_regs->num_of_atts = 1; /* initially only coroutining is supported */
|
|
#endif
|
|
/* system boots in compile mode */
|
|
Yap_heap_regs->static_predicates_marked = TRUE;
|
|
/* use Quintus compatible atom_chars and number_chars, not ISO compatible */
|
|
Yap_heap_regs->static_predicates_marked = FALSE;
|
|
|
|
Yap_heap_regs->int_keys_size = INT_KEYS_DEFAULT_SIZE;
|
|
Yap_heap_regs->int_keys_timestamp = 0;
|
|
Yap_heap_regs->IntKeys = NULL;
|
|
Yap_heap_regs->int_bb_keys_size = INT_KEYS_DEFAULT_SIZE;
|
|
Yap_heap_regs->IntBBKeys = NULL;
|
|
Yap_heap_regs->char_conversion_table = NULL;
|
|
Yap_heap_regs->char_conversion_table2 = NULL;
|
|
/*
|
|
don't initialise this here, this is initialised by Yap_InitModules!!!!
|
|
Yap_heap_regs->no_of_modules = 1;
|
|
*/
|
|
#ifdef EUROTRA
|
|
Yap_heap_regs->term_dollar_u = MkAtomTerm(AtomDollarU);
|
|
#endif
|
|
Yap_heap_regs->term_refound_var = MkAtomTerm(AtomRefoundVar);
|
|
Yap_heap_regs->n_of_file_aliases = 0;
|
|
Yap_heap_regs->file_aliases = NULL;
|
|
Yap_heap_regs->foreign_code_loaded = NULL;
|
|
Yap_heap_regs->yap_lib_dir = NULL;
|
|
Yap_heap_regs->agc_last_call = 0;
|
|
Yap_heap_regs->agc_threshold = 10000;
|
|
Yap_heap_regs->agc_hook = NULL;
|
|
Yap_heap_regs->parser_error_style = EXCEPTION_ON_PARSER_ERROR;
|
|
Yap_heap_regs->global_hold_entry = Yap_InitAtomHold();
|
|
Yap_heap_regs->size_of_overflow = 0;
|
|
/* make sure no one else can use these two atoms */
|
|
CurrentModule = 0;
|
|
OpList = NULL;
|
|
Yap_heap_regs->op_list = NULL;
|
|
Yap_heap_regs->dead_static_clauses = NULL;
|
|
Yap_heap_regs->dead_mega_clauses = NULL;
|
|
Yap_heap_regs->dead_static_indices = NULL;
|
|
Yap_ReleaseAtom(AtomOfTerm(Yap_heap_regs->term_refound_var));
|
|
/* make sure we have undefp defined */
|
|
/* predicates can only be defined after this point */
|
|
Yap_heap_regs->env_for_yes_code.p =
|
|
Yap_heap_regs->env_for_yes_code.p0 =
|
|
RepPredProp(PredPropByAtom(AtomTrue,0));
|
|
Yap_heap_regs->pred_meta_call = RepPredProp(PredPropByFunc(FunctorMetaCall,PROLOG_MODULE));
|
|
Yap_heap_regs->pred_dollar_catch = RepPredProp(PredPropByFunc(FunctorCatch,PROLOG_MODULE));
|
|
Yap_heap_regs->pred_recorded_with_key = RepPredProp(PredPropByFunc(FunctorRecordedWithKey,PROLOG_MODULE));
|
|
Yap_heap_regs->pred_log_upd_clause = RepPredProp(PredPropByFunc(FunctorDoLogUpdClause,PROLOG_MODULE));
|
|
Yap_heap_regs->pred_log_upd_clause_erase = RepPredProp(PredPropByFunc(FunctorDoLogUpdClauseErase,PROLOG_MODULE));
|
|
Yap_heap_regs->pred_log_upd_clause0 = RepPredProp(PredPropByFunc(FunctorDoLogUpdClause,PROLOG_MODULE));
|
|
Yap_heap_regs->pred_static_clause = RepPredProp(PredPropByFunc(FunctorDoStaticClause,PROLOG_MODULE));
|
|
Yap_heap_regs->pred_throw = RepPredProp(PredPropByFunc(FunctorThrow,PROLOG_MODULE));
|
|
Yap_heap_regs->pred_handle_throw = RepPredProp(PredPropByFunc(FunctorHandleThrow,PROLOG_MODULE));
|
|
Yap_heap_regs->pred_goal_expansion = RepPredProp(PredPropByFunc(FunctorGoalExpansion,USER_MODULE));
|
|
Yap_heap_regs->env_for_trustfail_code.p =
|
|
Yap_heap_regs->env_for_trustfail_code.p0 =
|
|
RepPredProp(PredPropByAtom(AtomFalse,PROLOG_MODULE));
|
|
{
|
|
/* make sure we know about the module predicate */
|
|
PredEntry *modp = RepPredProp(PredPropByFunc(FunctorModule,PROLOG_MODULE));
|
|
modp->PredFlags |= MetaPredFlag;
|
|
}
|
|
#ifdef YAPOR
|
|
Yap_heap_regs->getwork_code.u.Otapl.p = RepPredProp(PredPropByAtom(AtomGetwork, PROLOG_MODULE));
|
|
Yap_heap_regs->getwork_seq_code.u.Otapl.p = RepPredProp(PredPropByAtom(AtomGetworkSeq, PROLOG_MODULE));
|
|
#endif /* YAPOR */
|
|
Yap_heap_regs->db_erased_marker =
|
|
(DBRef)Yap_AllocCodeSpace(sizeof(DBStruct));
|
|
Yap_LUClauseSpace += sizeof(DBStruct);
|
|
INIT_LOCK(Yap_heap_regs->dbterms_list_lock);
|
|
Yap_heap_regs->dbterms_list = NULL;
|
|
Yap_heap_regs->db_erased_marker->id = FunctorDBRef;
|
|
Yap_heap_regs->db_erased_marker->Flags = ErasedMask;
|
|
Yap_heap_regs->db_erased_marker->Code = NULL;
|
|
Yap_heap_regs->db_erased_marker->DBT.DBRefs = NULL;
|
|
Yap_heap_regs->db_erased_marker->Parent = NULL;
|
|
Yap_heap_regs->logdb_erased_marker =
|
|
(LogUpdClause *)Yap_AllocCodeSpace(sizeof(LogUpdClause)+(UInt)NEXTOP((yamop*)NULL,e));
|
|
Yap_LUClauseSpace += sizeof(LogUpdClause)+(UInt)NEXTOP((yamop*)NULL,e);
|
|
Yap_heap_regs->logdb_erased_marker->Id = FunctorDBRef;
|
|
Yap_heap_regs->logdb_erased_marker->ClFlags = ErasedMask|LogUpdMask;
|
|
Yap_heap_regs->logdb_erased_marker->ClSource = NULL;
|
|
Yap_heap_regs->logdb_erased_marker->ClRefCount = 0;
|
|
Yap_heap_regs->logdb_erased_marker->ClPred = RepPredProp(PredPropByFunc(Yap_MkFunctor(AtomDoLogUpdClause,5),PROLOG_MODULE));
|
|
Yap_heap_regs->logdb_erased_marker->ClExt = NULL;
|
|
Yap_heap_regs->logdb_erased_marker->ClPrev = NULL;
|
|
Yap_heap_regs->logdb_erased_marker->ClNext = NULL;
|
|
Yap_heap_regs->logdb_erased_marker->ClSize = (UInt)NEXTOP(((LogUpdClause *)NULL)->ClCode,e);
|
|
Yap_heap_regs->logdb_erased_marker->ClCode->opc = Yap_opcode(_op_fail);
|
|
// INIT_LOCK(Yap_heap_regs->logdb_erased_marker->ClLock);
|
|
INIT_CLREF_COUNT(Yap_heap_regs->logdb_erased_marker);
|
|
Yap_heap_regs->yap_streams = NULL;
|
|
#if DEBUG
|
|
Yap_heap_regs->expand_clauses_sz = 0L;
|
|
#endif
|
|
}
|
|
|
|
|
|
static void
|
|
InitVersion(void)
|
|
{
|
|
Yap_PutValue(AtomVersionNumber,
|
|
MkAtomTerm(Yap_LookupAtom(YAP_VERSION)));
|
|
#if defined MYDDAS_MYSQL || defined MYDDAS_ODBC
|
|
Yap_PutValue(AtomMyddasVersionName,
|
|
MkAtomTerm(Yap_LookupAtom(MYDDAS_VERSION)));
|
|
#endif
|
|
}
|
|
|
|
|
|
void
|
|
Yap_InitWorkspace(int Heap, int Stack, int Trail, int max_table_size,
|
|
int n_workers, int sch_loop, int delay_load)
|
|
{
|
|
int i;
|
|
|
|
/* initialise system stuff */
|
|
|
|
#if PUSH_REGS
|
|
#ifdef THREADS
|
|
pthread_key_create(&Yap_yaamregs_key, NULL);
|
|
pthread_setspecific(Yap_yaamregs_key, (const void *)&Yap_standard_regs);
|
|
#else
|
|
/* In this case we need to initialise the abstract registers */
|
|
Yap_regp = &Yap_standard_regs;
|
|
/* the emulator will eventually copy them to its own local
|
|
register array, but for now they exist */
|
|
#endif
|
|
#endif /* PUSH_REGS */
|
|
|
|
#ifdef THREADS
|
|
Yap_regp->worker_id_ = 0;
|
|
#endif
|
|
/* Init signal handling and time */
|
|
/* also init memory page size, required by later functions */
|
|
Yap_InitSysbits ();
|
|
|
|
if (Heap < MinHeapSpace)
|
|
Heap = MinHeapSpace;
|
|
Heap = AdjustPageSize(Heap * K);
|
|
/* sanity checking for data areas */
|
|
if (Trail < MinTrailSpace)
|
|
Trail = MinTrailSpace;
|
|
Trail = AdjustPageSize(Trail * K);
|
|
if (Stack < MinStackSpace)
|
|
Stack = MinStackSpace;
|
|
Stack = AdjustPageSize(Stack * K);
|
|
|
|
#ifdef YAPOR
|
|
worker_id = 0;
|
|
if (n_workers > MAX_WORKERS)
|
|
Yap_Error(INTERNAL_ERROR, TermNil, "excessive number of workers (Yap_InitWorkspace)");
|
|
#ifdef ENV_COPY
|
|
INFORMATION_MESSAGE("YapOr: copy model with %d worker%s", n_workers, n_workers == 1 ? "":"s");
|
|
#elif ACOW
|
|
INFORMATION_MESSAGE("YapOr: acow model with %d worker%s", n_workers, n_workers == 1 ? "":"s");
|
|
#else /* SBA */
|
|
INFORMATION_MESSAGE("YapOr: sba model with %d worker%s", n_workers, n_workers == 1 ? "":"s");
|
|
#endif /* ENV_COPY - ACOW - SBA */
|
|
map_memory(Heap, Stack, Trail, n_workers);
|
|
#else
|
|
Yap_InitMemory (Trail, Heap, Stack);
|
|
#endif /* YAPOR */
|
|
Yap_ClauseSpace = 0;
|
|
Yap_IndexSpace_Tree = 0;
|
|
Yap_IndexSpace_EXT = 0;
|
|
Yap_IndexSpace_SW = 0;
|
|
Yap_LUClauseSpace = 0;
|
|
Yap_LUIndexSpace_Tree = 0;
|
|
Yap_LUIndexSpace_CP = 0;
|
|
Yap_LUIndexSpace_EXT = 0;
|
|
Yap_LUIndexSpace_SW = 0;
|
|
#if USE_THREADED_CODE
|
|
Yap_heap_regs->op_rtable = NULL;
|
|
#endif
|
|
#if defined(YAPOR) || defined(TABLING)
|
|
Yap_init_global(max_table_size, n_workers, sch_loop, delay_load);
|
|
#endif /* YAPOR || TABLING */
|
|
|
|
Yap_InitTime ();
|
|
AtomHashTableSize = MaxHash;
|
|
WideAtomHashTableSize = MaxWideHash;
|
|
HashChain = (AtomHashEntry *)Yap_AllocAtomSpace(sizeof(AtomHashEntry) * MaxHash);
|
|
if (HashChain == NULL) {
|
|
Yap_Error(FATAL_ERROR,MkIntTerm(0),"allocating initial atom table");
|
|
}
|
|
for (i = 0; i < MaxHash; ++i) {
|
|
INIT_RWLOCK(HashChain[i].AERWLock);
|
|
HashChain[i].Entry = NIL;
|
|
}
|
|
WideHashChain = (AtomHashEntry *)Yap_AllocAtomSpace(sizeof(AtomHashEntry) * MaxWideHash);
|
|
if (WideHashChain == NULL) {
|
|
Yap_Error(FATAL_ERROR,MkIntTerm(0),"allocating initial atom table");
|
|
}
|
|
for (i = 0; i < MaxWideHash; ++i) {
|
|
INIT_RWLOCK(WideHashChain[i].AERWLock);
|
|
WideHashChain[i].Entry = NIL;
|
|
}
|
|
PredHash = (PredEntry **)Yap_AllocAtomSpace(sizeof(PredEntry **) * PredHashInitialSize);
|
|
PredHashTableSize = PredHashInitialSize;
|
|
if (PredHash == NULL) {
|
|
Yap_Error(FATAL_ERROR,MkIntTerm(0),"allocating initial predicate hash table");
|
|
}
|
|
for (i = 0; i < PredHashTableSize; ++i) {
|
|
PredHash[i] = NULL;
|
|
}
|
|
INIT_RWLOCK(PredHashRWLock);
|
|
NOfAtoms = 0;
|
|
NOfWideAtoms = 0;
|
|
PredsInHashTable = 0;
|
|
#if THREADS
|
|
SF_STORE->AtFoundVar = Yap_LookupAtom(".");
|
|
Yap_ReleaseAtom(AtomFoundVar);
|
|
SF_STORE->AtFreeTerm = Yap_LookupAtom("?");
|
|
Yap_ReleaseAtom(AtomFreeTerm);
|
|
SF_STORE->AtNil = Yap_LookupAtom("[]");
|
|
SF_STORE->AtDot = Yap_LookupAtom(".");
|
|
#else
|
|
Yap_LookupAtomWithAddress(".",&(SF_STORE->AtFoundVar));
|
|
Yap_ReleaseAtom(AtomFoundVar);
|
|
Yap_LookupAtomWithAddress("?",&(SF_STORE->AtFreeTerm));
|
|
Yap_ReleaseAtom(AtomFreeTerm);
|
|
Yap_LookupAtomWithAddress("[]",&(SF_STORE->AtNil));
|
|
Yap_LookupAtomWithAddress(".",&(SF_STORE->AtDot));
|
|
#endif
|
|
/* InitAbsmi must be done before InitCodes */
|
|
/* This must be done before initialising predicates */
|
|
Yap_heap_regs->system_pred_goal_expansion_func = FALSE;
|
|
for (i = 0; i <= LAST_FLAG; i++) {
|
|
yap_flags[i] = 0;
|
|
}
|
|
#ifdef LOW_PROF
|
|
ProfilerOn = FALSE;
|
|
FPreds = NULL;
|
|
#endif
|
|
ActiveSignals = 0;
|
|
DoingUndefp = FALSE;
|
|
DBErasedList = NULL;
|
|
DBErasedIList = NULL;
|
|
Yap_heap_regs->IntLUKeys = NULL;
|
|
#ifdef MPW
|
|
Yap_InitAbsmi(REGS, FunctorList);
|
|
#else
|
|
Yap_InitAbsmi();
|
|
#endif
|
|
InitCodes();
|
|
InitOps();
|
|
InitDebug();
|
|
InitVersion();
|
|
Yap_InitSysPath();
|
|
InitFlags();
|
|
InitStdPreds();
|
|
/* make sure tmp area is available */
|
|
{
|
|
Yap_ReleasePreAllocCodeSpace(Yap_PreAllocCodeSpace());
|
|
}
|
|
}
|
|
|
|
void
|
|
Yap_exit (int value)
|
|
{
|
|
#if defined(YAPOR)
|
|
unmap_memory();
|
|
#endif /* YAPOR */
|
|
|
|
#ifdef LOW_PROF
|
|
remove("PROFPREDS");
|
|
remove("PROFILING");
|
|
#endif
|
|
#if defined MYDDAS_MYSQL || defined MYDDAS_ODBC
|
|
Yap_MYDDAS_delete_all_myddas_structs();
|
|
#endif
|
|
if (! (Yap_PrologMode & BootMode) )
|
|
Yap_ShutdownLoadForeign();
|
|
exit(value);
|
|
}
|
|
|