907 lines
27 KiB
C
Executable File
907 lines
27 KiB
C
Executable File
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#ifndef PL_INCL_H
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#define PL_INCL_H 1
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#ifndef __WINDOWS__
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#if defined(_MSC_VER) || defined(__MINGW32__) || defined(__MSYS__)
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#define __WINDOWS__ 1
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#endif
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#endif
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#ifdef __WINDOWS__
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#ifndef __MSYS__
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#include <winsock2.h>
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#endif
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#include <windows.h>
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#if HAVE_XOS_H
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#include <xos.h> /* Windows POSIX enhancements */
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#endif
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#include "windows/uxnt.h" /* More Windows POSIX enhancements */
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#endif
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#include "Yap.h"
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#include "YapHeap.h"
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/* define that we are in the pl-* code */
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#define _PL_EMULATION_LAYER 1
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/* include all stuff that is exported to yap */
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#include "pl-shared.h"
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#define PLVERSION YAP_NUMERIC_VERSION
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#define PLNAME "yap"
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#define SWIP "swi_"
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/* PL internal magic */
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typedef word * Word;
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/* SWI internal name for a predicate */
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typedef struct pred_entry * Procedure; /* predicate */
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/* try not to pollute the SWI space */
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#ifdef P
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#undef P
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#endif
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#ifdef B
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#undef B
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#endif
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#ifdef S
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#undef S
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#endif
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#ifdef H
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#undef H
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#endif
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/* swi code called from pl-incl.h */
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/* should have messages here */
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#ifdef DEBUG
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#undef DEBUG
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#endif
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#define DEBUG(LEVEL, COMMAND)
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/* vsc: needs defining before getting rid of YAP locks */
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static inline int
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do_startCritical(void) {
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CACHE_REGS
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YAPEnterCriticalSection();
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return 1;
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}
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static inline int
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do_endCritical(void) {
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CACHE_REGS
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YAPLeaveCriticalSection();
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return 1;
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}
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#define startCritical do_startCritical()
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#define endCritical do_endCritical()
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#ifdef LOCK
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#undef LOCK
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#endif
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#ifdef UNLOCK
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#undef UNLOCK
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#endif
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#include <SWI-Stream.h>
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#ifdef HAVE_ERRNO_H
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#include <errno.h>
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#else
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extern int errno;
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#endif
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typedef int Char; /* char that can pass EOF */
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#define usedStack(D) 0
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#define exception_term (LD->exception.term)
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#ifdef Suser_input
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#undef Suser_input
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#endif
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#ifdef Suser_output
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#undef Suser_output
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#endif
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#ifdef Suser_error
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#undef Suser_error
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#endif
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#define Suser_input (LD->IO.streams[0])
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#define Suser_output (LD->IO.streams[1])
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#define Suser_error (LD->IO.streams[2])
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#define Scurin (LD->IO.streams[3])
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#define Scurout (LD->IO.streams[4])
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#define Sprotocol (LD->IO.streams[5])
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#define Sdin Suser_input /* not used for now */
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#define Sdout Suser_output
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#define source_file_name (LD->read_source.file)
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#define source_line_no (LD->read_source.position.lineno)
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#define source_line_pos (LD->read_source.position.linepos)
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#define source_char_no (LD->read_source.position.charno)
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#define source_byte_no (LD->read_source.position.byteno)
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#if SIZE_DOUBLE==SIZEOF_INT_P
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#define WORDS_PER_DOUBLE 1
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#else
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#define WORDS_PER_DOUBLE 2
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#endif
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#define allocForeignState(size) ((void *)Yap_AllocCodeSpace(size))
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#define freeForeignState(ptr, size) Yap_FreeCodeSpace((void*)(ptr))
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// numbers
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typedef enum
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{ V_INTEGER, /* integer (64-bit) value */
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#ifdef O_GMP
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V_MPZ, /* mpz_t */
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V_MPQ, /* mpq_t */
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#endif
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V_FLOAT /* Floating point number (double) */
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} numtype;
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typedef struct
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{ numtype type; /* type of number */
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union { double f; /* value as real */
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int64_t i; /* value as integer */
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word w[WORDS_PER_DOUBLE]; /* for packing/unpacking the double */
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#ifdef O_GMP
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mpz_t mpz; /* GMP integer */
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mpq_t mpq; /* GMP rational */
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#endif
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} value;
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} number, *Number;
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#define TOINT_CONVERT_FLOAT 0x1 /* toIntegerNumber() */
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#define TOINT_TRUNCATE 0x2
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#ifdef O_GMP
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#define intNumber(n) ((n)->type <= V_MPZ)
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#else
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#define intNumber(n) ((n)->type < V_FLOAT)
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#endif
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#define floatNumber(n) ((n)->type >= V_FLOAT)
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typedef enum
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{ NUM_ERROR = FALSE, /* Syntax error */
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NUM_OK = TRUE, /* Ok */
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NUM_FUNDERFLOW = -1, /* Float underflow */
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NUM_FOVERFLOW = -2, /* Float overflow */
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NUM_IOVERFLOW = -3 /* Integer overflow */
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} strnumstat;
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#define Arg(N) (PL__t0+((n)-1))
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#define A1 (PL__t0)
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#define A2 (PL__t0+1)
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#define A3 (PL__t0+2)
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#define A3 (PL__t0+2)
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#define A4 (PL__t0+3)
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#define A5 (PL__t0+4)
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#define A6 (PL__t0+5)
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#define A7 (PL__t0+6)
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#define A8 (PL__t0+7)
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#define A9 (PL__t0+8)
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#define A10 (PL__t0+9)
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/* atom_t macro layer */
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#define NULL_ATOM ((atom_t)0)
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#if __YAP_PROLOG__
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#include "dswiatoms.h"
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#else
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#include "atoms.h"
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#endif
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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 HAVE_LOCALE_H
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#include <locale.h>
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#endif
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#ifdef HAVE_LIMITS_H /* get MAXPATHLEN */
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#include <limits.h>
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#endif
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#include <setjmp.h>
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#include <assert.h>
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#if HAVE_SYS_PARAM_H
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#include <sys/param.h> //MAXPATHLEN
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#endif
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#if __YAP_PROLOG__
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#include "pl-yap.h"
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#if _WIN32
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#define __WINDOWS__ 1
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#else
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#include <pthread.h>
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#endif
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#endif
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typedef uintptr_t PL_atomic_t; /* same size as a word */
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typedef struct record * Record;
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#define MAXSIGNAL 64
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#define LOCAL_OVERFLOW (-1)
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#define GLOBAL_OVERFLOW (-2)
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#define TRAIL_OVERFLOW (-3)
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#define ARGUMENT_OVERFLOW (-4)
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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Foreign language interface definitions. Note that these macros MUST be
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consistent with the definitions in pl-itf.h, which is included with
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users foreign language code.
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#define NOTRACE PL_FA_NOTRACE
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#define META PL_FA_TRANSPARENT
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#define NDET PL_FA_NONDETERMINISTIC
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#define VA PL_FA_VARARGS
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#define CREF PL_FA_CREF
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#define ISO PL_FA_ISO
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/********************************
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* THREADS *
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*********************************/
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#include "pl-thread.h"
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#if O_PLMT
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/*******************************
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* WINDOWS *
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*******************************/
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#define WM_SIGNALLED (WM_USER+4201) /* how to select a good number!? */
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#endif
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/********************************
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* UTILITIES *
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*********************************/
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#define ROUND(p, n) ((((p) + (n) - 1) & ~((n) - 1)))
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/********************************
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* Error *
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*********************************/
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#define isDefinedProcedure(pred) TRUE // TBD
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#include "pl-error.h"
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/********************************
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* Files *
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*********************************/
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#include "pl-files.h"
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/*******************************
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* OPTION LISTS *
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*******************************/
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#include "pl-option.h"
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/*******************************
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* TEXT PROCESSING *
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*******************************/
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typedef enum
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{ CVT_ok = 0, /* Conversion ok */
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CVT_wide, /* Conversion needs wide characters */
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CVT_partial, /* Input list is partial */
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CVT_nolist, /* Input list is not a list */
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CVT_nocode, /* List contains a non-code */
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CVT_nochar /* List contains a non-char */
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} CVT_status;
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typedef struct
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{ CVT_status status;
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word culprit; /* for CVT_nocode/CVT_nochar */
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} CVT_result;
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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Operator types. NOTE: if you change OP_*, check operatorTypeToAtom()!
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#define OP_MAXPRIORITY 1200 /* maximum operator priority */
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#define OP_PREFIX 0
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#define OP_INFIX 1
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#define OP_POSTFIX 2
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#define OP_MASK 0xf
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#define OP_FX (0x10|OP_PREFIX)
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#define OP_FY (0x20|OP_PREFIX)
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#define OP_XF (0x30|OP_POSTFIX)
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#define OP_YF (0x40|OP_POSTFIX)
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#define OP_XFX (0x50|OP_INFIX)
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#define OP_XFY (0x60|OP_INFIX)
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#define OP_YFX (0x70|OP_INFIX)
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/*******************************
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* COMPARE *
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*******************************/
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/* Results from comparison operations. Mostly used by compareStandard() */
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#define CMP_ERROR -2 /* Error (out of memory) */
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#define CMP_LESS -1 /* < */
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#define CMP_EQUAL 0 /* == */
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#define CMP_GREATER 1 /* > */
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#define CMP_NOTEQ 2 /* \== */
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/*******************************
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* NUMBERVARS *
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*******************************/
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typedef enum
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{ AV_BIND,
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AV_SKIP,
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AV_ERROR
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} av_action;
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typedef struct
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{ functor_t functor; /* Functor to use ($VAR/1) */
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av_action on_attvar; /* How to handle attvars */
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int singletons; /* Write singletons as $VAR('_') */
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int numbered_check; /* Check for already numbered */
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} nv_options;
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/*******************************
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* GET-PROCEDURE *
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*******************************/
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#define GP_FIND 0 /* find anywhere */
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#define GP_FINDHERE 1 /* find in this module */
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#define GP_CREATE 2 /* create (in this module) */
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#define GP_DEFINE 4 /* define a procedure */
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#define GP_RESOLVE 5 /* find defenition */
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#define GP_HOW_MASK 0x0ff
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#define GP_NAMEARITY 0x100 /* or'ed mask */
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#define GP_HIDESYSTEM 0x200 /* hide system module */
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#define GP_TYPE_QUIET 0x400 /* don't throw errors on wrong types */
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#define GP_EXISTENCE_ERROR 0x800 /* throw error if proc is not found */
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#define GP_QUALIFY 0x1000 /* Always module-qualify */
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/* get_functor() */
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#define GF_EXISTING 1
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#define GF_PROCEDURE 2 /* check for max arity */
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/*******************************
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* LIST BUILDING *
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*******************************/
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#include "pl-privitf.h"
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// LOCAL variables (heap will get this form LOCAL
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#define FT_ATOM 0 /* atom feature */
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#define FT_BOOL 1 /* boolean feature (true, false) */
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#define FT_INTEGER 2 /* integer feature */
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#define FT_FLOAT 3 /* float feature */
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#define FT_TERM 4 /* term feature */
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#define FT_INT64 5 /* passed as int64_t */
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#define FT_FROM_VALUE 0x0f /* Determine type from value */
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#define FT_MASK 0x0f /* mask to get type */
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#define SYSTEM_MODE (LD->prolog_flag.access_level == ACCESS_LEVEL_SYSTEM)
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#define PL_malloc_atomic malloc
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#define EXCEPTION_GUARDED(code, cleanup) \
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{ exception_frame __throw_env; \
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__throw_env.parent = LD->exception.throw_environment; \
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if ( setjmp(__throw_env.exception_jmp_env) != 0 ) \
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{ LD->exception.throw_environment = __throw_env.parent; \
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cleanup; \
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} else \
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{ LD->exception.throw_environment = &__throw_env; \
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code; \
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LD->exception.throw_environment = __throw_env.parent; \
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} \
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}
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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At times an abort is not allowed because the heap is inconsistent the
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programmer should call startCritical to start such a code region and
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endCritical to end it.
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MT/TBD: how to handle this gracefully in the multi-threading case. Does
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it mean anything?
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#ifndef TRUE
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#define TRUE 1
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#define FALSE 0
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#endif
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#define succeed return TRUE
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#define fail return FALSE
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#define TRY(goal) if ((goal) == FALSE) fail
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/* Flags on module. Most of these flags are copied to the read context
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in pl-read.c.
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*/
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#define M_SYSTEM (0x0001) /* system module */
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#define M_CHARESCAPE (0x0002) /* module */
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#define DBLQ_CHARS (0x0004) /* "ab" --> ['a', 'b'] */
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#define DBLQ_ATOM (0x0008) /* "ab" --> 'ab' */
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#define DBLQ_STRING (0x0010) /* "ab" --> "ab" */
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#define DBLQ_MASK (DBLQ_CHARS|DBLQ_ATOM|DBLQ_STRING)
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#define UNKNOWN_FAIL (0x0020) /* module */
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#define UNKNOWN_WARNING (0x0040) /* module */
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#define UNKNOWN_ERROR (0x0080) /* module */
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#define UNKNOWN_MASK (UNKNOWN_ERROR|UNKNOWN_WARNING|UNKNOWN_FAIL)
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extern int fileerrors;
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extern int ttymode;
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#define CHARESCAPE_FEATURE 0x00001 /* handle \ in atoms */
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#define GC_FEATURE 0x00002 /* do GC */
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#define TRACE_GC_FEATURE 0x00004 /* verbose gc */
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#define TTY_CONTROL_FEATURE 0x00008 /* allow for tty control */
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#define READLINE_FEATURE 0x00010 /* readline is loaded */
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#define DEBUG_ON_ERROR_FEATURE 0x00020 /* start tracer on error */
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#define REPORT_ERROR_FEATURE 0x00040 /* print error message */
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#define FILE_CASE_FEATURE 0x00080 /* file names are case sensitive */
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#define FILE_CASE_PRESERVING_FEATURE 0x0100 /* case preserving file names */
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#define DOS_FILE_NAMES_FEATURE 0x00200 /* dos (8+3) file names */
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#define ISO_FEATURE 0x00800 /* Strict ISO compliance */
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#define OPTIMISE_FEATURE 0x01000 /* -O: optimised compilation */
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#define FILEVARS_FEATURE 0x02000 /* Expand $var and ~ in filename */
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#define AUTOLOAD_FEATURE 0x04000 /* do autoloading */
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#define CHARCONVERSION_FEATURE 0x08000 /* do character-conversion */
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#define LASTCALL_FEATURE 0x10000 /* Last call optimization enabled? */
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#define EX_ABORT_FEATURE 0x20000 /* abort with exception */
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#define BACKQUOTED_STRING_FEATURE 0x40000 /* `a string` */
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#define SIGNALS_FEATURE 0x80000 /* Handle signals */
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#define DEBUGINFO_FEATURE 0x100000 /* generate debug info */
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int defFeature(const char *c, int f, ...);
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int trueFeature(int f);
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/*******************************
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* WAKEUP *
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*******************************/
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#define WAKEUP_STATE_WAKEUP 0x1
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#define WAKEUP_STATE_EXCEPTION 0x2
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#define WAKEUP_STATE_SKIP_EXCEPTION 0x4
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typedef struct wakeup_state
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{ fid_t fid; /* foreign frame reference */
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int flags;
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} wakeup_state;
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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Defining built-in predicates using the new interface
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#define ESC ((char) 27)
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#define streq(s, q) ((strcmp((s), (q)) == 0))
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#define CHAR_MODE 0 /* See PL_unify_char() */
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#define CODE_MODE 1
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#define BYTE_MODE 2
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/* string stuff */
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/*******************************
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* STRING SUPPORT *
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*******************************/
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char * store_string(const char *s);
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void remove_string(char *s);
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/* from foreign interface */
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/*******************************
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* FILENAME SUPPORT *
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*******************************/
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#define PL_FILE_ABSOLUTE 0x01 /* return absolute path */
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#define PL_FILE_OSPATH 0x02 /* return path in OS notation */
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#define PL_FILE_SEARCH 0x04 /* use file_search_path */
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#define PL_FILE_EXIST 0x08 /* demand file to exist */
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#define PL_FILE_READ 0x10 /* demand read-access */
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#define PL_FILE_WRITE 0x20 /* demand write-access */
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#define PL_FILE_EXECUTE 0x40 /* demand execute-access */
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#define PL_FILE_NOERRORS 0x80 /* do not raise exceptions */
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#define PL_FA_ISO (0x20) /* Internal: ISO core predicate */
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/********************************
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* READ WARNINGS *
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*********************************/
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#define ReadingSource (source_line_no > 0 && \
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source_file_name != NULL_ATOM)
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#include <pl-text.h>
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typedef double real;
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#define forwards static /* forwards function declarations */
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/* uxnt package interface */
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#if defined(__YAP_PROLOG__) && defined(__MINGW32__)
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#ifndef __WINDOWS__
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#define __WINDOWS__ 1
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#endif
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#endif
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extern int PL_unify_char(term_t chr, int c, int how);
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extern int PL_get_char(term_t chr, int *c, int eof);
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extern void PL_cleanup_fork(void);
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extern int PL_rethrow(void);
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extern void PL_get_number(term_t l, number *n);
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extern int PL_unify_atomic(term_t t, PL_atomic_t a);
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extern int PL_unify_termv(term_t l, va_list args);
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extern int _PL_unify_atomic(term_t t, PL_atomic_t a);
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extern int _PL_unify_string(term_t t, word w);
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extern IOSTREAM ** /* provide access to Suser_input, */
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_PL_streams(void); /* Suser_output and Suser_error */
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extern int get_atom_text(atom_t atom, PL_chars_t *text);
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COMMON(int) get_string_text(atom_t atom, PL_chars_t *text ARG_LD);
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extern char *format_float(double f, char *buf);
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/**** stuff from pl-ctype.c ****/
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extern IOENC initEncoding(void);
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/**** stuff from pl-error.c ****/
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extern int PL_get_bool_ex(term_t t, int *i);
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extern int PL_get_chars_ex(term_t t, char **s, unsigned int flags);
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extern int PL_get_integer_ex(term_t t, int *i);
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extern int PL_get_module_ex(term_t t, module_t *m);
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extern int PL_get_nchars_ex(term_t t, size_t *len, char **s, unsigned int flags);
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extern int PL_get_long_ex(term_t t, long *i);
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extern int PL_get_int64_ex(term_t t, int64_t *i);
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extern int PL_get_intptr_ex(term_t t, intptr_t *i);
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extern int PL_get_float_ex(term_t t, double *f);
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extern int PL_get_char_ex(term_t t, int *p, int eof);
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extern int PL_unify_list_ex(term_t l, term_t h, term_t t);
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extern int PL_unify_nil_ex(term_t l);
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extern int PL_get_list_ex(term_t l, term_t h, term_t t);
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extern int PL_get_nil_ex(term_t l);
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extern int PL_unify_bool_ex(term_t t, int val);
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/**** stuff from pl-file.c ****/
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extern void initIO(void);
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extern void dieIO(void);
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extern void protocol(const char *str, size_t n);
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extern bool readLine(IOSTREAM *in, IOSTREAM *out, char *buffer);
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extern bool tellString(char **s, size_t *size, IOENC enc);
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extern bool tellString(char **s, size_t *size, IOENC enc);
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extern bool toldString(void);
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void closeFiles(int);
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atom_t PrologPrompt(void);
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word pl_exists_file(term_t name);
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char *DirName(const char *f, char *dir);
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void outOfCore(void);
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word pl_noprotocol(void);
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IOSTREAM *PL_current_input(void);
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IOSTREAM *PL_current_output(void);
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COMMON(int) stricmp(const char *s1, const char *s2);
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COMMON(word) textToString(PL_chars_t *text);
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COMMON(int) reportStreamError(IOSTREAM *s);
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extern int digitValue(int b, int c);
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PL_EXPORT(int) PL_unify_stream(term_t t, IOSTREAM *s);
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PL_EXPORT(int) PL_unify_stream_or_alias(term_t t, IOSTREAM *s);
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PL_EXPORT(int) PL_get_stream_handle(term_t t, IOSTREAM **s);
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PL_EXPORT(void) PL_write_prompt(int);
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PL_EXPORT(int) PL_release_stream(IOSTREAM *s);
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COMMON(atom_t) fileNameStream(IOSTREAM *s);
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COMMON(int) streamStatus(IOSTREAM *s);
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#define getOutputStream(t, k, s) getOutputStream__LD(t, k, s PASS_LD)
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#define getTextOutputStream(t, s) getTextOutputStream__LD(t, s PASS_LD)
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#define getBinaryOutputStream(t, s) getBinaryOutputStream__LD(t, s PASS_LD)
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#define getInputStream(t, k, s) getInputStream__LD(t, k, s PASS_LD)
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#define getTextInputStream(t, s) getTextInputStream__LD(t, s PASS_LD)
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#define getBinaryInputStream(t, s) getBinaryInputStream__LD(t, s PASS_LD)
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COMMON(int) getTextOutputStream__LD(term_t t, IOSTREAM **s ARG_LD);
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COMMON(int) getBinaryOutputStream__LD(term_t t, IOSTREAM **s ARG_LD);
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COMMON(int) getTextInputStream__LD(term_t t, IOSTREAM **s ARG_LD);
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COMMON(int) getBinaryInputStream__LD(term_t t, IOSTREAM **s ARG_LD);
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COMMON(void) pushOutputContext(void);
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COMMON(void) popOutputContext(void);
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COMMON(int) getSingleChar(IOSTREAM *s, int signals);
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COMMON(void) prompt1(atom_t prompt);
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COMMON(atom_t) encoding_to_atom(IOENC enc);
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COMMON(int) pl_see(term_t f);
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COMMON(int) pl_seen(void);
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COMMON(int) unicode_separator(pl_wchar_t c);
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COMMON(word) pl_raw_read(term_t term);
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COMMON(word) pl_raw_read2(term_t stream, term_t term);
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COMMON(access_level_t) setAccessLevel(access_level_t new_level);
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/**** stuff from pl-error.c ****/
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extern void outOfCore(void);
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extern void fatalError(const char *fm, ...);
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extern int callProlog(module_t module, term_t goal, int flags, term_t *ex);
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extern word notImplemented(char *name, int arity);
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/**** stuff from pl-ctype.c ****/
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extern void initCharTypes(void);
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/**** stuff from pl-fmt.c ****/
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COMMON(word) pl_current_format_predicate(term_t chr, term_t descr,
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control_t h);
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COMMON(intptr_t) lengthList(term_t list, int errors);
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COMMON(word) pl_format_predicate(term_t chr, term_t descr);
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COMMON(word) pl_format(term_t fmt, term_t args);
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COMMON(word) pl_format3(term_t s, term_t fmt, term_t args);
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/**** stuff from pl-glob.c ****/
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extern void initGlob(void);
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/**** stuff from pl-os.c ****/
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extern void cleanupOs(void);
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extern void PL_clock_wait_ticks(long waited);
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extern void setOSFeatures(void);
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extern uintptr_t FreeMemory(void);
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extern uint64_t _PL_Random(void);
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extern void RemoveTemporaryFiles(void);
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extern int Pause(real t);
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char *findExecutable(const char *av0, char *buffer);
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extern void setOSPrologFlags(void);
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extern void setRandom(unsigned int *seedp);
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extern char *canoniseFileName(char *path);
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extern char *canonisePath(char *path);
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extern void PL_changed_cwd(void);
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extern struct tm *LocalTime(long *t, struct tm *r);
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extern size_t getenv3(const char *name, char *buf, size_t len);
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extern int Setenv(char *name, char *value);
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extern int Unsetenv(char *name);
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extern int System(char *cmd);
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extern char *expandVars(const char *pattern, char *expanded, int maxlen);
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/**** SWI stuff (emulated in pl-yap.c) ****/
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extern int writeAtomToStream(IOSTREAM *so, atom_t at);
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extern int valueExpression(term_t t, Number r ARG_LD);
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extern word lookupAtom(const char *s, size_t len);
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extern atom_t lookupUCSAtom(const pl_wchar_t *s, size_t len);
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extern int toIntegerNumber(Number n, int flags);
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extern int get_atom_ptr_text(Atom a, PL_chars_t *text);
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extern int warning(const char *fm, ...);
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/**** stuff from pl-files.c ****/
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void initFiles(void);
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int RemoveFile(const char *path);
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int PL_get_file_name(term_t n, char **namep, int flags);
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PL_EXPORT(int) PL_get_file_nameW(term_t n, wchar_t **name, int flags);
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COMMON(int) unifyTime(term_t t, time_t time);
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COMMON(char) digitName(int n, int sm);
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/**** stuff from pl-utf8.c ****/
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size_t utf8_strlen(const char *s, size_t len);
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/**** stuff from pl-version.c ****/
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COMMON(void) setGITVersion(void);
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/**** stuff from pl-write.c ****/
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COMMON(char *) varName(term_t var, char *buf);
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COMMON(int) writeUCSAtom(IOSTREAM *fd, atom_t atom, int flags);
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COMMON(word) pl_nl1(term_t stream);
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COMMON(word) pl_nl(void);
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COMMON(int) writeAttributeMask(atom_t name);
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COMMON(word) pl_write_term(term_t term, term_t options);
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COMMON(word) pl_write_term3(term_t stream,
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term_t term, term_t options);
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COMMON(word) pl_print(term_t term);
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COMMON(word) pl_write2(term_t stream, term_t term);
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COMMON(word) pl_writeq2(term_t stream, term_t term);
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COMMON(word) pl_print2(term_t stream, term_t term);
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COMMON(word) pl_writeln(term_t term);
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COMMON(word) pl_write_canonical2(term_t stream, term_t term);
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/* empty stub */
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extern void setPrologFlag(const char *name, int flags, ...);
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extern int PL_set_prolog_flag(const char *name, int flags, ...);
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extern install_t PL_install_readline(void);
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COMMON(int) saveWakeup(wakeup_state *state, int forceframe ARG_LD);
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COMMON(void) restoreWakeup(wakeup_state *state ARG_LD);
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COMMON(int) priorityOperator(Module m, atom_t atom);
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COMMON(int) currentOperator(Module m, atom_t name, int kind,
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int *type, int *priority);
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COMMON(int) numberVars(term_t t, nv_options *opts, int n ARG_LD);
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COMMON(Buffer) codes_or_chars_to_buffer(term_t l, unsigned int flags,
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int wide, CVT_result *status);
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COMMON(bool) systemMode(bool accept);
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COMMON(void) cleanupPrologFlags(void);
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COMMON(void) initPrologFlags(void);
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COMMON(int) raiseStackOverflow(int overflow);
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COMMON(int) PL_qualify(term_t raw, term_t qualified);
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static inline word
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setBoolean(bool *flag, term_t old, term_t new)
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{ int fl = *flag; if ( !PL_unify_bool_ex(old, fl) ||
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!PL_get_bool_ex(new, &fl) )
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fail;
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*flag = fl;
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succeed;
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}
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#define BEGIN_NUMBERVARS(save) \
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{ fid_t _savedf; \
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if ( save ) \
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{ _savedf = LD->var_names.numbervars_frame; \
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LD->var_names.numbervars_frame = PL_open_foreign_frame(); \
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}
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#define END_NUMBERVARS(save) \
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if ( save ) \
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{ PL_discard_foreign_frame(LD->var_names.numbervars_frame); \
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LD->var_names.numbervars_frame = _savedf; \
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} \
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}
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COMMON(int) f_is_prolog_var_start(wint_t c);
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COMMON(int) f_is_prolog_atom_start(wint_t c);
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COMMON(int) f_is_prolog_identifier_continue(wint_t c);
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COMMON(int) f_is_prolog_symbol(wint_t c);
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COMMON(int) _PL_get_arg__LD(int index, term_t t, term_t a ARG_LD);
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COMMON(int) PL_get_atom__LD(term_t t1, atom_t *a ARG_LD);
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COMMON(int) PL_get_atom_ex__LD(term_t t, atom_t *a ARG_LD);
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COMMON(int) PL_get_text__LD(term_t l, PL_chars_t *text, int flags ARG_LD);
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COMMON(int) PL_is_atom__LD(term_t t ARG_LD);
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COMMON(int) PL_is_variable__LD(term_t t ARG_LD);
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COMMON(term_t) PL_new_term_ref__LD(ARG1_LD);
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COMMON(int) PL_put_atom__LD(term_t t, atom_t a ARG_LD);
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COMMON(int) PL_put_term__LD(term_t t1, term_t t2 ARG_LD);
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COMMON(int) PL_unify__LD(term_t t1, term_t t2 ARG_LD);
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COMMON(int) PL_unify_atom__LD(term_t t, atom_t a ARG_LD);
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COMMON(int) PL_unify_int64__LD(term_t t1, int64_t ARG_LD);
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COMMON(int) PL_unify_int64_ex__LD(term_t t1, int64_t ARG_LD);
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COMMON(int) PL_unify_integer__LD(term_t t1, intptr_t i ARG_LD);
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COMMON(word) pl_get_prolog_flag(term_t key, term_t value);
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COMMON(word) pl_prolog_flag5(term_t key, term_t value, word scope, word access, word type, control_t h);
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COMMON(foreign_t) pl_prolog_flag(term_t name, term_t value, control_t h);
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COMMON(struct tm *) PL_localtime_r(const time_t *t, struct tm *r);
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COMMON(char *) PL_asctime_r(const struct tm *tm, char *buf);
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#define PL_unify(t1, t2) PL_unify__LD(t1, t2 PASS_LD)
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#define PL_unify_int64(t, i) PL_unify_int64__LD(t, i PASS_LD)
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#define PL_unify_int64_ex(t, i) PL_unify_int64_ex__LD(t, i PASS_LD)
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static inline int
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PL_unify_time(term_t t, time_t time) {
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GET_LD
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return PL_unify_int64(t, (int64_t)time);
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}
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/* inlines that need ARG_LD */
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static inline intptr_t
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skip_list(Word l, Word *tailp ARG_LD) {
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return (intptr_t)YAP_SkipList(l, tailp);
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}
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static inline word
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valHandle__LD(term_t r ARG_LD)
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{
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return (word)YAP_GetFromSlot((Int)r);
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}
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static inline void *allocHeap__LD(size_t n ARG_LD)
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{
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return YAP_AllocSpaceFromYap(n);
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}
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static inline void *allocHeapOrHalt(size_t n)
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{
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void *ptr = YAP_AllocSpaceFromYap(n);
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if (!ptr) Yap_exit(1);
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return ptr;
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}
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static inline void freeHeap(void *mem, size_t n)
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{
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YAP_FreeSpaceFromYap(mem);
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}
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extern void unallocStream(IOSTREAM *s);
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extern atom_t accessLevel(void);
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int currentBreakLevel(void);
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#ifdef __WINDOWS__
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int hasConsole(void);
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int PL_wait_for_console_input(void *handle);
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void PlMessage(const char *fm, ...);
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const char *WinError(void);
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word pl_win_exec(term_t cmd, term_t how);
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foreign_t pl_win_module_file(term_t module, term_t file);
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int PL_w32_wrap_ansi_console(void);
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#ifdef EMULATE_DLOPEN
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/* file is in UTF-8, POSIX path */
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void *dlopen(const char *file, int flags);
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const char *dlerror(void);
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void *dlsym(void *handle, char *symbol);
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int dlclose(void *handle);
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#endif
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int ms_snprintf(char *buffer, size_t count, const char *fmt, ...);
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void getDefaultsFromRegistry(void);
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DWORD RunSilent(const char* strCommand);
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FILE *pt_popen(const char *cmd, const char *mode);
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int pt_pclose(FILE *fd);
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int PL_w32thread_raise(DWORD id, int sig);
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#endif
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extern const PL_extension PL_predicates_from_ctype[];
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extern const PL_extension PL_predicates_from_file[];
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extern const PL_extension PL_predicates_from_files[];
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extern const PL_extension PL_predicates_from_glob[];
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extern const PL_extension PL_predicates_from_read[];
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extern const PL_extension PL_predicates_from_tai[];
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extern const PL_extension PL_predicates_from_write[];
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extern const PL_extension PL_predicates_from_prologflag[];
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extern const PL_extension PL_predicates_from_win[];
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extern const PL_extension PL_predicates_from_locale[];
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extern const PL_extension PL_predicates_from_system[];
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#define enableThreads(val) FALSE
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#endif
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