931 lines
28 KiB
C
Executable File
931 lines
28 KiB
C
Executable File
/*************************************************************************
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* *
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* YAP Prolog %W% %G% *
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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.h *
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* mods: *
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* comments: main header file for YAP *
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* version: $Id: Yap.h,v 1.38 2008-06-18 10:02:27 vsc Exp $ *
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*************************************************************************/
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#ifndef YAP_H
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#define YAP_H 1
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#if defined(YAPOR)
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#error Do not explicitly define YAPOR
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#endif /* YAPOR */
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#if (defined(YAPOR_COPY) && (defined(YAPOR_COW) || defined(YAPOR_SBA) || defined(YAPOR_THREADS))) || (defined(YAPOR_COW) && (defined(YAPOR_SBA) || defined(YAPOR_THREADS))) || (defined(YAPOR_SBA) && defined(YAPOR_THREADS))
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#error Do not define multiple or-parallel models
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#endif /* (YAPOR_COPY && (YAPOR_COW || YAPOR_SBA || YAPOR_THREADS)) || (YAPOR_COW && (YAPOR_SBA || YAPOR_THREADS)) || (YAPOR_SBA || YAPOR_THREADS) */
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#if defined(YAPOR_COPY) || defined(YAPOR_COW) || defined(YAPOR_SBA) || defined(YAPOR_THREADS)
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#define YAPOR 1
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#define FIXED_STACKS 1
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#endif /* YAPOR_COPY || YAPOR_COW || YAPOR_SBA || YAPOR_THREADS */
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#if defined(TABLING) && (defined(YAPOR_COW) || defined(YAPOR_SBA) || defined(YAPOR_THREADS))
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#error TABLING only works with YAPOR_COPY
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#endif /* TABLING && (YAPOR_COW || YAPOR_SBA || YAPOR_THREADS) */
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#if defined(THREADS) && (defined(YAPOR_COW) || defined(YAPOR_SBA) || defined(YAPOR_COPY))
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#error THREADS only works with YAPOR_THREADS
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#endif /* THREADS && (YAPOR_COW || YAPOR_SBA || YAPOR_COPY) */
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#include "config.h"
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#include "inline-only.h"
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#if defined(YAPOR) || defined(TABLING)
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#include "opt.config.h"
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#endif /* YAPOR || TABLING */
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/*
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#define RATIONAL_TREES 1
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#define DEPTH_LIMIT 1
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#define COROUTINING 1
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#define ANALYST 1
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*/
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#define MULTI_ASSIGNMENT_VARIABLES 1
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#if defined(YAPOR) || defined(THREADS)
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#define MULTIPLE_STACKS 1
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#define PARALLEL_YAP 1
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#endif /* YAPOR || THREADS */
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#if defined(YAPOR) || defined(TABLING)
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#undef TRAILING_REQUIRES_BRANCH
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#endif /* YAPOR || TABLING */
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#if defined(TABLING) || defined(YAPOR_SBA)
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#define FROZEN_STACKS 1
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#endif /* TABLING || YAPOR_SBA */
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#if defined(THREADS) || defined(SUPPORT_CONDOR)
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#define USE_SYSTEM_MALLOC 1
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#endif /* THREADS || SUPPORT_CONDOR */
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#if defined(ANALYST) && defined(USE_THREADED_CODE)
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#undef USE_THREADED_CODE
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#endif /* ANALYST && USE_THREADED_CODE */
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#if defined(COROUTINING) && !defined(TERM_EXTENSIONS)
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#define TERM_EXTENSIONS 1
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#endif /* COROUTINING && !TERM_EXTENSIONS */
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/* Microsoft's Visual C++ Compiler */
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#ifdef _MSC_VER /* adjust a config.h from mingw32 to work with vc++ */
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#ifdef HAVE_GCC
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#undef HAVE_GCC
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#endif /* HAVE_GCC */
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#ifdef USE_THREADED_CODE
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#undef USE_THREADED_CODE
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#endif /* USE_THREADED_CODE */
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#define inline __inline
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#define YAP_VERSION "YAP-6.3.4"
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#define BIN_DIR "c:\\Yap\\bin"
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#define LIB_DIR "c:\\Yap\\lib\\Yap"
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#define SHARE_DIR "c:\\Yap\\share\\Yap"
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#ifdef HOST_ALIAS
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#undef HOST_ALIAS
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#endif /* HOST_ALIAS */
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#define HOST_ALIAS "i386-pc-win32"
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#ifdef HAVE_IEEEFP_H
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#undef HAVE_IEEEFP_H
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#endif /* HAVE_IEEEFP_H */
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#ifdef HAVE_UNISTD_H
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#undef HAVE_UNISTD_H
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#endif /* HAVE_UNISTD_H */
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#ifdef HAVE_SYS_TIME_H
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#undef HAVE_SYS_TIME_H
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#endif /* HAVE_SYS_TIME_H */
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#endif /* _MSC_VER */
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#ifdef __MINGW32__
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#ifndef _WIN32
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#define _WIN32 1
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#endif /* _WIN32 */
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#endif /* __MINGW32__ */
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#if HAVE_GCC
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#define MIN_ARRAY 0
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#define DUMMY_FILLER_FOR_ABS_TYPE
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#else
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#define MIN_ARRAY 1
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#define DUMMY_FILLER_FOR_ABS_TYPE int dummy;
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#endif /* HAVE_GCC */
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#ifdef HAVE___BUILTIN_EXPECT
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#define likely(x) __builtin_expect((x), 1)
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#define unlikely(x) __builtin_expect((x), 0)
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#else
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#define likely(x) (x)
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#define unlikely(x) (x)
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#endif
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#ifdef THREADS
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#if USE_PTHREAD_LOCKING
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#ifndef _XOPEN_SOURCE
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#define _XOPEN_SOURCE 600
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#endif /* !_XOPEN_SOURCE */
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#endif /* USE_PTHREAD_LOCKING */
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#include <pthread.h>
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#endif /* THREADS */
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#ifndef ADTDEFS_C
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#define EXTERN static
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#else
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#define EXTERN
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#endif /* ADTDEFS_C */
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/* truth-values */
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#define TRUE 1
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#define FALSE 0
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/* null pointer */
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#define NIL 0
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/* Basic types */
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#include "YapTerm.h"
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#if HAVE_SIGPROF && (defined(__linux__) || defined(__APPLE__))
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#define LOW_PROF 1
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#endif
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/* #define FORCE_SECOND_QUADRANT 1 */
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#if defined(FORCE_SECOND_QUADRANT)
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#define IN_SECOND_QUADRANT 1
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#define MMAP_ADDR 0x42000000
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#endif /* FORCE_SECOND_QUADRANT */
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#if !defined(IN_SECOND_QUADRANT)
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#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(mips) || (__DragonFly__)
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#if defined(YAPOR) && defined(__alpha)
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#define MMAP_ADDR 0x40000000
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#elif defined(mips)
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#define MMAP_ADDR 0x02000000
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#elif defined(__powerpc__)
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#define MMAP_ADDR 0x20000000
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#else
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#define MMAP_ADDR 0x10000000
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#endif /* YAPOR && __alpha */
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#elif __svr4__ || defined(__SVR4)
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#define MMAP_ADDR 0x02000000
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#endif /* __linux__ || __FreeBSD__ || __NetBSD__ || mips || __APPLE__ || __DragonFly__ */
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#endif /* !IN_SECOND_QUADRANT */
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/* #define RANDOMIZE_START_ADDRESS 1 */
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#ifdef USE_SYSTEM_MALLOC
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#define HEAP_INIT_BASE 0L
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#define AtomBase NULL
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#else /* !USE_SYSTEM_MALLOC */
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#if defined(MMAP_ADDR) && (defined(USE_MMAP) || USE_SHMAT) && !defined(__simplescalar__) && !defined(RANDOMIZE_START_ADDRESS)
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#define HEAP_INIT_BASE (MMAP_ADDR)
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#define AtomBase ((char *)MMAP_ADDR)
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#else /*! (MMAP_ADDR && (USE_MMAP || USE_SHMAT) && !__simplescalar__ && !RANDOMIZE_START_ADDRESS) */
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#define HEAP_INIT_BASE ((CELL)Yap_HeapBase)
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#define AtomBase (Yap_HeapBase)
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#endif /* MMAP_ADDR && (USE_MMAP || USE_SHMAT) && !__simplescalar__ && !RANDOMIZE_START_ADDRESS */
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#endif /* USE_SYSTEM_MALLOC */
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#ifndef ALIGN_LONGS
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#define ALIGN_LONGS 1
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#endif
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#define K1 ((CELL)1024)
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#define K16 ((CELL)(1024*64))
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#define K64 ((CELL)(1024*64))
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#define M1 ((CELL)(1024*1024))
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#define M2 ((CELL)(2048*1024))
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#if ALIGN_LONGS
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typedef CELL SFLAGS;
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#else
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typedef BITS16 SFLAGS;
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#endif
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typedef char *ADDR;
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typedef CELL OFFSET;
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typedef unsigned char *CODEADDR;
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#define ALIGN_YAPTYPE(X,TYPE) (((CELL)(X)+(sizeof(TYPE)-1)) & ~(sizeof(TYPE)-1))
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#define TermPtr(V) ((Term *) (V))
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#define Addr(V) ((ADDR) (V))
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#define CodePtr(V) ((CODEADDR)(V))
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#define CellPtr(V) ((CELL *)(V))
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#define OpCodePtr(V) ((OPCODE *)(V))
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#define OpRegPtr(V) ((OPREG *)(V))
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#define SmallPtr(V) ((SMALLUNSGN *)(V))
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#define WordPtr(V) ((BITS16 *)(V))
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#define DisplPtr(V) ((DISPREG *)(V))
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#if !defined(YAPOR) && !defined(THREADS)
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#include <nolocks.h>
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#elif USE_PTHREAD_LOCKING || defined(__CYGWIN__)
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#ifndef _XOPEN_SOURCE
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#define _XOPEN_SOURCE 600
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#endif
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#include <locks_pthread.h>
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typedef pthread_mutex_t lockvar;
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typedef pthread_rwlock_t rwlock_t;
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#elif defined(i386)|| defined(__x86_64__)
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typedef volatile int lockvar;
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#include <locks_x86.h>
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#elif defined(sparc) || defined(__sparc)
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typedef volatile int lockvar;
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#include <locks_sparc.h>
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#elif defined(mips)
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typedef volatile int lockvar;
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#include <locks_mips.h>
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#elif defined(__alpha)
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typedef volatile int lockvar;
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#include <locks_alpha.h>
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#else
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#ifndef _XOPEN_SOURCE
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#define _XOPEN_SOURCE 600
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#endif
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typedef pthread_mutex_t lockvar;
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typedef pthread_rwlock_t rwlock_t;
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#include <locks_pthread.h>
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#endif
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/*************************************************************************************************
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use an auxiliary function for ranges
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*************************************************************************************************/
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#ifdef __GNUC__
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#define IN_BETWEEN(MIN,X,MAX) (Unsigned((Int)(X)-(Int)(MIN)) <= \
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Unsigned((Int)(MAX)-(Int)(MIN)) )
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#define OUTSIDE(MIN,X,MAX) (Unsigned((Int)(X)-(Int)(MIN)) > \
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Unsigned((Int)(MAX)-(Int)(MIN)) )
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#else
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#define IN_BETWEEN(MIN,X,MAX) ((void *)(X) >= (void *)(MIN) && (void *)(X) <= (void *)(MAX))
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#define OUTSIDE(MIN,X,MAX) ((void *)(X) < (void *)(MIN) || (void *)(X) > (void *)(MAX))
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#endif
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/*************************************************************************************************
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Atoms
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*************************************************************************************************/
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#include "Atoms.h"
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/*************************************************************************************************
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Coroutining
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*************************************************************************************************/
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#ifdef COROUTINING
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/* Support for co-routining */
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#include "corout.h"
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#endif
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/*************************************************************************************************
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abstract machine registers
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*************************************************************************************************/
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#include "amidefs.h"
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#include "Regs.h"
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#if defined(YAPOR) ||defined(THREADS)
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#ifdef mips
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#include <locks_mips_funcs.h>
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#endif
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#ifdef __alpha
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#include <locks_alpha_funcs.h>
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#endif
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#endif
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/*************************************************************************************************
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variables concerned with Error Handling
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*************************************************************************************************/
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#include <setjmp.h>
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#if defined(SIMICS) || !HAVE_SIGSETJMP
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#define sigjmp_buf jmp_buf
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#define sigsetjmp(Env, Arg) setjmp(Env)
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#define siglongjmp(Env, Arg) longjmp(Env, Arg)
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#endif
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/* Support for arrays */
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#include "arrays.h"
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/* Types of Errors */
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typedef enum
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{
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YAP_NO_ERROR,
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FATAL_ERROR,
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INTERNAL_ERROR,
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INTERNAL_COMPILER_ERROR,
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PURE_ABORT,
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CALL_COUNTER_UNDERFLOW,
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/* ISO_ERRORS */
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CONSISTENCY_ERROR,
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DOMAIN_ERROR_ARRAY_OVERFLOW,
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DOMAIN_ERROR_ARRAY_TYPE,
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DOMAIN_ERROR_IO_MODE,
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DOMAIN_ERROR_MUTABLE,
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DOMAIN_ERROR_NON_EMPTY_LIST,
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DOMAIN_ERROR_NOT_LESS_THAN_ZERO,
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DOMAIN_ERROR_NOT_NL,
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DOMAIN_ERROR_NOT_ZERO,
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DOMAIN_ERROR_OUT_OF_RANGE,
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DOMAIN_ERROR_OPERATOR_PRIORITY,
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DOMAIN_ERROR_OPERATOR_SPECIFIER,
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DOMAIN_ERROR_RADIX,
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DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW,
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DOMAIN_ERROR_SOURCE_SINK,
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DOMAIN_ERROR_STREAM,
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DOMAIN_ERROR_STREAM_ENCODING,
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DOMAIN_ERROR_STREAM_OR_ALIAS,
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DOMAIN_ERROR_STREAM_POSITION,
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DOMAIN_ERROR_TIMEOUT_SPEC,
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DOMAIN_ERROR_SYNTAX_ERROR_HANDLER,
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EVALUATION_ERROR_FLOAT_OVERFLOW,
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EVALUATION_ERROR_FLOAT_UNDERFLOW,
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EVALUATION_ERROR_INT_OVERFLOW,
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EVALUATION_ERROR_UNDEFINED,
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EVALUATION_ERROR_UNDERFLOW,
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EVALUATION_ERROR_ZERO_DIVISOR,
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EXISTENCE_ERROR_ARRAY,
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EXISTENCE_ERROR_KEY,
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EXISTENCE_ERROR_SOURCE_SINK,
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EXISTENCE_ERROR_STREAM,
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EXISTENCE_ERROR_VARIABLE,
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INSTANTIATION_ERROR,
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INTERRUPT_ERROR,
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OPERATING_SYSTEM_ERROR,
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OUT_OF_HEAP_ERROR,
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OUT_OF_STACK_ERROR,
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OUT_OF_TRAIL_ERROR,
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OUT_OF_ATTVARS_ERROR,
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OUT_OF_AUXSPACE_ERROR,
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PERMISSION_ERROR_ACCESS_PRIVATE_PROCEDURE,
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PERMISSION_ERROR_NEW_ALIAS_FOR_STREAM,
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PERMISSION_ERROR_CREATE_ARRAY,
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PERMISSION_ERROR_CREATE_OPERATOR,
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PERMISSION_ERROR_INPUT_BINARY_STREAM,
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PERMISSION_ERROR_INPUT_PAST_END_OF_STREAM,
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PERMISSION_ERROR_INPUT_STREAM,
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PERMISSION_ERROR_INPUT_TEXT_STREAM,
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PERMISSION_ERROR_MODIFY_STATIC_PROCEDURE,
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PERMISSION_ERROR_OPEN_SOURCE_SINK,
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PERMISSION_ERROR_OUTPUT_BINARY_STREAM,
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PERMISSION_ERROR_OUTPUT_STREAM,
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PERMISSION_ERROR_OUTPUT_TEXT_STREAM,
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PERMISSION_ERROR_RESIZE_ARRAY,
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PERMISSION_ERROR_REPOSITION_STREAM,
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PRED_ENTRY_COUNTER_UNDERFLOW,
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REPRESENTATION_ERROR_CHARACTER,
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REPRESENTATION_ERROR_CHARACTER_CODE,
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REPRESENTATION_ERROR_MAX_ARITY,
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REPRESENTATION_ERROR_VARIABLE,
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RESOURCE_ERROR_HUGE_INT,
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RESOURCE_ERROR_MAX_STREAMS,
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RESOURCE_ERROR_MAX_THREADS,
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RESOURCE_ERROR_MEMORY,
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RESOURCE_ERROR_STACK,
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RETRY_COUNTER_UNDERFLOW,
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SAVED_STATE_ERROR,
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SYNTAX_ERROR,
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SYSTEM_ERROR,
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TYPE_ERROR_ARRAY,
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TYPE_ERROR_ATOM,
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TYPE_ERROR_ATOMIC,
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TYPE_ERROR_BYTE,
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TYPE_ERROR_CALLABLE,
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TYPE_ERROR_CHAR,
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TYPE_ERROR_CHARACTER,
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TYPE_ERROR_COMPOUND,
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TYPE_ERROR_DBREF,
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TYPE_ERROR_DBTERM,
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TYPE_ERROR_EVALUABLE,
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TYPE_ERROR_FLOAT,
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TYPE_ERROR_INTEGER,
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TYPE_ERROR_KEY,
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TYPE_ERROR_LIST,
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TYPE_ERROR_NUMBER,
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TYPE_ERROR_PREDICATE_INDICATOR,
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TYPE_ERROR_PTR,
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TYPE_ERROR_STRING,
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TYPE_ERROR_UBYTE,
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TYPE_ERROR_UCHAR,
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TYPE_ERROR_VARIABLE,
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UNKNOWN_ERROR
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} yap_error_number;
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typedef enum
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{
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YAP_INT_BOUNDED_FLAG = 0,
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MAX_ARITY_FLAG = 1,
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INTEGER_ROUNDING_FLAG = 2,
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YAP_MAX_INTEGER_FLAG = 3,
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YAP_MIN_INTEGER_FLAG = 4,
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CHAR_CONVERSION_FLAG = 5,
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YAP_DOUBLE_QUOTES_FLAG = 6,
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YAP_TO_CHARS_FLAG = 7,
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LANGUAGE_MODE_FLAG = 8,
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STRICT_ISO_FLAG = 9,
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SOURCE_MODE_FLAG = 11,
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CHARACTER_ESCAPE_FLAG = 12,
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WRITE_QUOTED_STRING_FLAG = 13,
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ALLOW_ASSERTING_STATIC_FLAG = 14,
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HALT_AFTER_CONSULT_FLAG = 15,
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FAST_BOOT_FLAG = 16,
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STACK_DUMP_ON_ERROR_FLAG = 17,
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GENERATE_DEBUG_INFO_FLAG = 18,
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INDEXING_MODE_FLAG = 19,
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TABLING_MODE_FLAG = 20,
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VARS_CAN_HAVE_QUOTE_FLAG = 21,
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QUIET_MODE_FLAG = 22,
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INDEXING_TERM_DEPTH_FLAG = 23,
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/* let this be the last one */
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NUMBER_OF_YAP_FLAGS = 24
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} yap_flags;
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#define STRING_AS_CHARS 0
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#define STRING_AS_ATOM 2
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#define QUINTUS_TO_CHARS 0
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#define ISO_TO_CHARS 1
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#define CPROLOG_CHARACTER_ESCAPES 0
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#define ISO_CHARACTER_ESCAPES 1
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#define SICSTUS_CHARACTER_ESCAPES 2
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typedef enum
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{
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INDEX_MODE_OFF = 0,
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INDEX_MODE_SINGLE = 1,
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INDEX_MODE_COMPACT = 2,
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INDEX_MODE_MULTI = 3,
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INDEX_MODE_MAX = 4
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} index_mode_options;
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typedef enum
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|
{
|
|
YAP_CREEP_SIGNAL = 0x1, /* received a creep */
|
|
YAP_WAKEUP_SIGNAL = 0x2, /* goals to wake up */
|
|
YAP_ALARM_SIGNAL = 0x4, /* received an alarm */
|
|
YAP_HUP_SIGNAL = 0x8, /* received SIGHUP */
|
|
YAP_USR1_SIGNAL = 0x10, /* received SIGUSR1 */
|
|
YAP_USR2_SIGNAL = 0x20, /* received SIGUSR2 */
|
|
YAP_INT_SIGNAL = 0x40, /* received SIGINT (unused for now) */
|
|
YAP_ITI_SIGNAL = 0x80, /* received inter thread signal */
|
|
YAP_TROVF_SIGNAL = 0x100, /* received trail overflow */
|
|
YAP_CDOVF_SIGNAL = 0x200, /* received code overflow */
|
|
YAP_STOVF_SIGNAL = 0x400, /* received stack overflow */
|
|
YAP_TRACE_SIGNAL = 0x800, /* received start trace */
|
|
YAP_DEBUG_SIGNAL = 0x1000, /* received start debug */
|
|
YAP_BREAK_SIGNAL = 0x2000, /* received break signal */
|
|
YAP_STACK_DUMP_SIGNAL = 0x4000, /* received stack dump signal */
|
|
YAP_STATISTICS_SIGNAL = 0x8000, /* received statistics */
|
|
YAP_DELAY_CREEP_SIGNAL = 0x10000, /* received a creep but should not do it */
|
|
YAP_AGC_SIGNAL = 0x20000, /* call atom garbage collector asap */
|
|
YAP_PIPE_SIGNAL = 0x40000, /* call atom garbage collector asap */
|
|
YAP_VTALARM_SIGNAL = 0x80000, /* received SIGVTALARM */
|
|
YAP_FAIL_SIGNAL = 0x100000 /* P = FAILCODE */
|
|
} yap_signals;
|
|
|
|
typedef enum
|
|
{
|
|
GPROF_NO_EVENT,
|
|
GPROF_NEW_PRED_FUNC,
|
|
GPROF_NEW_PRED_THREAD,
|
|
GPROF_NEW_PRED_ATOM,
|
|
GPROF_INDEX,
|
|
GPROF_INDEX_EXPAND,
|
|
GPROF_CLAUSE,
|
|
GPROF_MEGA,
|
|
GPROF_LU_INDEX,
|
|
GPROF_STATIC_INDEX,
|
|
GPROF_INIT_OPCODE,
|
|
GPROF_INIT_SYSTEM_CODE,
|
|
GPROF_INIT_EXPAND,
|
|
GPROF_INIT_LOG_UPD_CLAUSE,
|
|
GPROF_INIT_DYNAMIC_CLAUSE,
|
|
GPROF_INIT_STATIC_CLAUSE,
|
|
GPROF_INIT_COMMA,
|
|
GPROF_INIT_FAIL,
|
|
GPROF_NEW_LU_CLAUSE,
|
|
GPROF_NEW_LU_SWITCH,
|
|
GPROF_NEW_STATIC_SWITCH,
|
|
GPROF_NEW_EXPAND_BLOCK
|
|
} gprof_info;
|
|
|
|
|
|
/*************************************************************************************************
|
|
prototypes
|
|
*************************************************************************************************/
|
|
|
|
#include "Yapproto.h"
|
|
|
|
#include "YapTags.h"
|
|
|
|
#define TermSize sizeof(Term)
|
|
|
|
/*************************************************************************************************
|
|
variables related to memory allocation
|
|
*************************************************************************************************/
|
|
/* must be before TermExt.h */
|
|
|
|
extern ADDR Yap_HeapBase;
|
|
|
|
/* This is ok for Linux, should be ok for everyone */
|
|
#define YAP_FILENAME_MAX 1024
|
|
|
|
#define MAX_ERROR_MSG_SIZE YAP_FILENAME_MAX
|
|
|
|
/*************************************************************************************************
|
|
Debugging Support
|
|
*************************************************************************************************/
|
|
|
|
#ifdef DEBUG
|
|
extern int Yap_output_msg;
|
|
#endif
|
|
|
|
/*************************************************************************************************
|
|
variables concerned with atoms table
|
|
*************************************************************************************************/
|
|
|
|
#define MaxHash 3333
|
|
#define MaxWideHash (MaxHash/10+1)
|
|
|
|
#define FAIL_RESTORE 0
|
|
#define DO_EVERYTHING 1
|
|
#define DO_ONLY_CODE 2
|
|
|
|
/*************************************************************************************************
|
|
common instructions codes
|
|
*************************************************************************************************/
|
|
|
|
#define MAX_PROMPT 256
|
|
|
|
#if USE_THREADED_CODE
|
|
|
|
/*************************************************************************************************
|
|
reverse lookup of instructions
|
|
*************************************************************************************************/
|
|
typedef struct opcode_tab_entry
|
|
{
|
|
OPCODE opc;
|
|
op_numbers opnum;
|
|
} opentry;
|
|
|
|
#endif
|
|
|
|
/*************************************************************************************************
|
|
Prolog may be in several modes
|
|
*************************************************************************************************/
|
|
|
|
typedef enum
|
|
{
|
|
BootMode = 0x1, /* if booting or restoring */
|
|
UserMode = 0x2, /* Normal mode */
|
|
CritMode = 0x4, /* If we are meddling with the heap */
|
|
AbortMode = 0x8, /* expecting to abort */
|
|
InterruptMode = 0x10, /* under an interrupt */
|
|
InErrorMode = 0x20, /* under an interrupt */
|
|
ConsoleGetcMode = 0x40, /* blocked reading from console */
|
|
ExtendStackMode = 0x80, /* trying to extend stack */
|
|
GrowHeapMode = 0x100, /* extending Heap */
|
|
GrowStackMode = 0x200, /* extending Stack */
|
|
GCMode = 0x400, /* doing Garbage Collecting */
|
|
ErrorHandlingMode = 0x800, /* doing error handling */
|
|
CCallMode = 0x1000, /* In c Call */
|
|
UnifyMode = 0x2000, /* In Unify Code */
|
|
UserCCallMode = 0x4000, /* In User C-call Code */
|
|
MallocMode = 0x8000, /* Doing malloc, realloc, free */
|
|
SystemMode = 0x10000, /* in system mode */
|
|
AsyncIntMode = 0x20000, /* YAP has just been interrupted from the outside */
|
|
InReadlineMode = 0x40000 /* YAP has just been interrupted from the outside */
|
|
} prolog_exec_mode;
|
|
|
|
|
|
/*************************************************************************************************
|
|
number of modules
|
|
*************************************************************************************************/
|
|
|
|
#define DefaultMaxModules 256
|
|
|
|
/*************************************************************************************************
|
|
Critical sections
|
|
*************************************************************************************************/
|
|
#ifdef YAPOR
|
|
#define YAPEnterCriticalSection() \
|
|
{ \
|
|
if (worker_id != GLOBAL_locks_who_locked_heap) { \
|
|
LOCK(GLOBAL_locks_heap_access); \
|
|
GLOBAL_locks_who_locked_heap = worker_id; \
|
|
} \
|
|
LOCAL_PrologMode |= CritMode; \
|
|
LOCAL_CritLocks++; \
|
|
}
|
|
#define YAPLeaveCriticalSection() \
|
|
{ \
|
|
LOCAL_CritLocks--; \
|
|
if (!LOCAL_CritLocks) { \
|
|
LOCAL_PrologMode &= ~CritMode; \
|
|
if (LOCAL_PrologMode & AbortMode) { \
|
|
LOCAL_PrologMode &= ~AbortMode; \
|
|
Yap_Error(PURE_ABORT, 0, ""); \
|
|
} \
|
|
GLOBAL_locks_who_locked_heap = MAX_WORKERS; \
|
|
UNLOCK(GLOBAL_locks_heap_access); \
|
|
} \
|
|
}
|
|
#elif defined(THREADS)
|
|
#define YAPEnterCriticalSection() \
|
|
{ \
|
|
/* LOCK(BGL); */ \
|
|
LOCAL_PrologMode |= CritMode; \
|
|
}
|
|
#define YAPLeaveCriticalSection() \
|
|
{ \
|
|
LOCAL_PrologMode &= ~CritMode; \
|
|
if (LOCAL_PrologMode & AbortMode) { \
|
|
LOCAL_PrologMode &= ~AbortMode; \
|
|
Yap_Error(PURE_ABORT, 0, ""); \
|
|
Yap_RestartYap( 1 ); \
|
|
} \
|
|
/* UNLOCK(BGL); */ \
|
|
}
|
|
#else
|
|
#define YAPEnterCriticalSection() \
|
|
{ \
|
|
LOCAL_PrologMode |= CritMode; \
|
|
LOCAL_CritLocks++; \
|
|
}
|
|
#define YAPLeaveCriticalSection() \
|
|
{ \
|
|
LOCAL_CritLocks--; \
|
|
if (!LOCAL_CritLocks) { \
|
|
LOCAL_PrologMode &= ~CritMode; \
|
|
if (LOCAL_PrologMode & AbortMode) { \
|
|
LOCAL_PrologMode &= ~AbortMode; \
|
|
Yap_RestartYap( 1 ); \
|
|
} \
|
|
} \
|
|
}
|
|
#endif /* YAPOR */
|
|
|
|
/* when we are calling the InitStaff procedures */
|
|
#define AT_BOOT 0
|
|
#define AT_RESTORE 1
|
|
|
|
|
|
/*************************************************************************************************
|
|
mutable variables
|
|
*************************************************************************************************/
|
|
|
|
/* I assume that the size of this structure is a multiple of the size
|
|
of CELL!!! */
|
|
typedef struct TIMED_MAVAR
|
|
{
|
|
CELL value;
|
|
CELL clock;
|
|
} timed_var;
|
|
|
|
|
|
/*************************************************************************************************
|
|
execution mode
|
|
*************************************************************************************************/
|
|
|
|
typedef enum
|
|
{
|
|
INTERPRETED, /* interpreted */
|
|
MIXED_MODE_USER, /* mixed mode only for user predicates */
|
|
MIXED_MODE_ALL, /* mixed mode for all predicates */
|
|
COMPILE_USER, /* compile all user predicates*/
|
|
COMPILE_ALL /* compile all predicates */
|
|
} yap_exec_mode;
|
|
|
|
|
|
/************************/
|
|
#ifdef THREADS
|
|
typedef struct thandle {
|
|
int in_use;
|
|
int zombie;
|
|
UInt ssize;
|
|
UInt tsize;
|
|
UInt sysize;
|
|
void *stack_address;
|
|
Term tdetach;
|
|
Term cmod, texit_mod;
|
|
struct DB_TERM *tgoal, *texit;
|
|
int id;
|
|
int ret;
|
|
REGSTORE *default_yaam_regs;
|
|
REGSTORE *current_yaam_regs;
|
|
struct pred_entry *local_preds;
|
|
pthread_t pthread_handle;
|
|
int ref_count;
|
|
#ifdef LOW_LEVEL_TRACER
|
|
long long int thread_inst_count;
|
|
int been_here1;
|
|
int been_here2;
|
|
#endif
|
|
#ifdef DEBUG
|
|
int been_here;
|
|
#endif
|
|
pthread_mutex_t tlock;
|
|
pthread_mutex_t tlock_status;
|
|
#if HAVE_GETRUSAGE
|
|
struct timeval *start_of_timesp;
|
|
struct timeval *last_timep;
|
|
struct timeval *start_of_times_sysp;
|
|
struct timeval *last_time_sysp;
|
|
#elif _WIN32
|
|
struct _FILETIME *start_of_timesp;
|
|
struct _FILETIME *last_timep;
|
|
struct _FILETIME *start_of_times_sysp;
|
|
struct _FILETIME *last_time_sysp;
|
|
#endif
|
|
} yap_thandle;
|
|
#endif /* THREADS */
|
|
|
|
#define GC_MAVARS_HASH_SIZE 512
|
|
typedef struct gc_ma_hash_entry_struct {
|
|
UInt timestmp;
|
|
#ifdef TABLING
|
|
tr_fr_ptr loc;
|
|
struct gc_ma_hash_entry_struct *more;
|
|
#endif
|
|
CELL* addr;
|
|
struct gc_ma_hash_entry_struct *next;
|
|
} gc_ma_hash_entry;
|
|
|
|
typedef int (*Agc_hook)(Atom);
|
|
|
|
typedef struct scratch_block_struct {
|
|
char *ptr;
|
|
UInt sz, msz;
|
|
} scratch_block;
|
|
|
|
|
|
/* scanner types */
|
|
#include "ScannerTypes.h"
|
|
|
|
/*************************************************************************************************
|
|
OPTYAP includes
|
|
*************************************************************************************************/
|
|
|
|
#if defined(YAPOR) || defined(TABLING)
|
|
#include "opt.structs.h"
|
|
#include "opt.proto.h"
|
|
#include "opt.macros.h"
|
|
#endif /* YAPOR || TABLING */
|
|
|
|
|
|
|
|
/*************************************************************************************************
|
|
GLOBAL and LOCAL variables
|
|
*************************************************************************************************/
|
|
|
|
#if defined(YAPOR_COPY) || defined(YAPOR_COW) || defined(YAPOR_SBA)
|
|
extern struct global_data *Yap_global;
|
|
extern long Yap_worker_area_size;
|
|
#else
|
|
extern struct global_data Yap_Global;
|
|
#define Yap_global (&Yap_Global)
|
|
#endif
|
|
|
|
#if defined(THREADS)
|
|
extern struct worker_local *Yap_local[MAX_THREADS];
|
|
#define REMOTE(wid) (Yap_local[wid])
|
|
#elif defined(YAPOR)
|
|
extern struct worker_local *Yap_local;
|
|
#define REMOTE(wid) (Yap_local + wid)
|
|
#else /* !THREADS && !YAPOR */
|
|
extern struct worker_local Yap_local;
|
|
#define REMOTE(wid) (&Yap_local)
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#define YP_FILE FILE
|
|
#include "hglobals.h"
|
|
#include "dglobals.h"
|
|
#include "hlocals.h"
|
|
#include "dlocals.h"
|
|
|
|
|
|
/*************************************************************************************************
|
|
unification support
|
|
*************************************************************************************************/
|
|
|
|
#include "YapCompoundTerm.h"
|
|
|
|
/*************************************************************************************************
|
|
unification routines
|
|
*************************************************************************************************/
|
|
|
|
#ifdef YAPOR_SBA
|
|
#include "or.sba_amiops.h"
|
|
#include "or.sba_unify.h"
|
|
#else
|
|
#include "amiops.h"
|
|
#endif /* YAPOR_SBA */
|
|
|
|
|
|
|
|
|
|
/*************************************************************************************************
|
|
slots
|
|
*************************************************************************************************/
|
|
|
|
|
|
static inline void
|
|
Yap_StartSlots( USES_REGS1 ) {
|
|
*--ASP = MkIntegerTerm(CurSlot);
|
|
*--ASP = MkIntTerm(0);
|
|
CurSlot = LCL0-ASP;
|
|
}
|
|
|
|
/* pop slots when pruning */
|
|
static inline void
|
|
Yap_PopSlots( USES_REGS1 ) {
|
|
while (LCL0-CurSlot < ASP) {
|
|
Int old_slots;
|
|
CELL *ptr = LCL0-CurSlot;
|
|
old_slots = IntOfTerm(ptr[0]);
|
|
ptr += (old_slots+1);
|
|
CurSlot = IntOfTerm(*ptr);
|
|
}
|
|
}
|
|
|
|
static inline void
|
|
Yap_CloseSlots( USES_REGS1 ) {
|
|
Int old_slots;
|
|
Yap_PopSlots( PASS_REGS1 );
|
|
if (LCL0-CurSlot == ASP) {
|
|
old_slots = IntOfTerm(ASP[0]);
|
|
ASP += (old_slots+1);
|
|
CurSlot = IntOfTerm(*ASP);
|
|
ASP++;
|
|
}
|
|
}
|
|
|
|
static inline Int
|
|
Yap_CurrentSlot( USES_REGS1 ) {
|
|
return IntOfTerm(ASP[0]);
|
|
}
|
|
|
|
static inline Term
|
|
Yap_GetFromSlot(Int slot USES_REGS)
|
|
{
|
|
return(Deref(LCL0[slot]));
|
|
}
|
|
|
|
static inline Term
|
|
Yap_GetDerefedFromSlot(Int slot USES_REGS)
|
|
{
|
|
return LCL0[slot];;
|
|
}
|
|
|
|
static inline Term
|
|
Yap_GetPtrFromSlot(Int slot USES_REGS)
|
|
{
|
|
return(LCL0[slot]);
|
|
}
|
|
|
|
static inline Term *
|
|
Yap_AddressFromSlot(Int slot USES_REGS)
|
|
{
|
|
return(LCL0+slot);
|
|
}
|
|
|
|
static inline void
|
|
Yap_PutInSlot(Int slot, Term t USES_REGS)
|
|
{
|
|
LCL0[slot] = t;
|
|
}
|
|
|
|
|
|
#endif /* YAP_H */
|
|
|