202 lines
5.3 KiB
C
202 lines
5.3 KiB
C
/*************************************************************************
|
|
* *
|
|
* YAP Prolog %W% %G%
|
|
* *
|
|
* Yap Prolog was developed at NCCUP - Universidade do Porto *
|
|
* *
|
|
* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-2003 *
|
|
* *
|
|
**************************************************************************
|
|
* *
|
|
* File: yapio.h *
|
|
* Last rev: 22/1/03 *
|
|
* mods: *
|
|
* comments: Input/Output information *
|
|
* *
|
|
*************************************************************************/
|
|
|
|
#ifndef YAPIO_H
|
|
|
|
#define YAPIO_H 1
|
|
|
|
#ifdef SIMICS
|
|
#undef HAVE_LIBREADLINE
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <wchar.h>
|
|
|
|
#include <Yatom.h>
|
|
#include "os/YapIOConfig.h"
|
|
|
|
#ifndef _PL_WRITE_
|
|
|
|
#define EOFCHAR EOF
|
|
|
|
#endif
|
|
|
|
/* info on aliases */
|
|
typedef struct AliasDescS {
|
|
Atom name;
|
|
int alias_stream;
|
|
} * AliasDesc;
|
|
|
|
|
|
#define MAX_ISO_LATIN1 255
|
|
|
|
/****************** character definition table **************************/
|
|
|
|
#define NUMBER_OF_CHARS 256
|
|
extern char *Yap_chtype;
|
|
|
|
#include "inline-only.h"
|
|
INLINE_ONLY EXTERN inline int chtype(Int);
|
|
int Yap_wide_chtype(Int);
|
|
|
|
INLINE_ONLY EXTERN inline int
|
|
chtype(Int ch)
|
|
{
|
|
if (ch < NUMBER_OF_CHARS)
|
|
return Yap_chtype[ch];
|
|
return Yap_wide_chtype(ch);
|
|
}
|
|
|
|
|
|
/* parser stack, used to be AuxSp, now is ASP */
|
|
#define ParserAuxSp LOCAL_ScannerStack
|
|
|
|
/* routines in parser.c */
|
|
VarEntry *Yap_LookupVar(const char *);
|
|
Term Yap_VarNames(VarEntry *,Term);
|
|
Term Yap_Variables(VarEntry *,Term);
|
|
Term Yap_Singletons(VarEntry *,Term);
|
|
|
|
/* routines in scanner.c */
|
|
TokEntry *Yap_tokenizer( struct stream_desc *, bool, Term *d);
|
|
void Yap_clean_tokenizer(TokEntry *, VarEntry *, VarEntry *);
|
|
char *Yap_AllocScannerMemory(unsigned int);
|
|
|
|
/* routines in iopreds.c */
|
|
FILE *Yap_FileDescriptorFromStream(Term);
|
|
Int Yap_FirstLineInParse(void);
|
|
int Yap_CheckIOStream(Term, char *);
|
|
#if defined(YAPOR) || defined(THREADS)
|
|
void Yap_LockStream(void *);
|
|
void Yap_UnLockStream(void *);
|
|
#else
|
|
#define Yap_LockStream(X)
|
|
#define Yap_UnLockStream(X)
|
|
#endif
|
|
Int Yap_GetStreamFd(int);
|
|
void Yap_CloseStreams(int);
|
|
void Yap_FlushStreams(void);
|
|
void Yap_ReleaseStream(int);
|
|
void Yap_CloseStream(int);
|
|
int Yap_PlGetchar(void);
|
|
int Yap_PlGetWchar(void);
|
|
int Yap_PlFGetchar(void);
|
|
int Yap_GetCharForSIGINT(void);
|
|
Int Yap_StreamToFileNo(Term);
|
|
int Yap_OpenStream(FILE *,char *,Term,int);
|
|
char *Yap_TermToString(Term t, char *s, size_t sz, size_t *length, encoding_t encoding, int flags);
|
|
char *Yap_HandleToString(yhandle_t l, size_t sz, size_t *length, encoding_t encoding, int flags);
|
|
int Yap_GetFreeStreamD(void);
|
|
int Yap_GetFreeStreamDForReading(void);
|
|
|
|
Term Yap_WStringToList(wchar_t *);
|
|
Term Yap_WStringToListOfAtoms(wchar_t *);
|
|
Atom Yap_LookupWideAtom( const wchar_t * );
|
|
|
|
#define Quote_illegal_f 0x01
|
|
#define Ignore_ops_f 0x02
|
|
#define Handle_vars_f 0x04
|
|
#define Use_portray_f 0x08
|
|
#define To_heap_f 0x10
|
|
#define Unfold_cyclics_f 0x20
|
|
#define Use_SWI_Stream_f 0x40
|
|
#define BackQuote_String_f 0x80
|
|
#define AttVar_None_f 0x100
|
|
#define AttVar_Dots_f 0x200
|
|
#define AttVar_Portray_f 0x400
|
|
#define Blob_Portray_f 0x800
|
|
#define No_Escapes_f 0x1000
|
|
#define No_Brace_Terms_f 0x2000
|
|
#define Fullstop_f 0x4000
|
|
#define New_Line_f 0x8000
|
|
|
|
|
|
|
|
/* grow.c */
|
|
int Yap_growheap_in_parser(tr_fr_ptr *, TokEntry **, VarEntry **);
|
|
int Yap_growstack_in_parser(tr_fr_ptr *, TokEntry **, VarEntry **);
|
|
int Yap_growtrail_in_parser(tr_fr_ptr *, TokEntry **, VarEntry **);
|
|
|
|
bool Yap_IsAbsolutePath(const char *p);
|
|
Atom Yap_TemporaryFile( const char *prefix, int *fd);
|
|
char *Yap_AbsoluteFile(const char *spec, char *tmp);
|
|
|
|
typedef enum mem_buf_source {
|
|
MEM_BUF_CODE=1,
|
|
MEM_BUF_MALLOC=2,
|
|
MEM_BUF_USER=4
|
|
} memBufSource;
|
|
|
|
char * Yap_MemStreamBuf( int sno );
|
|
|
|
extern Term Yap_StringToTerm(const char *s, size_t len, encoding_t enc, int prio, Term *bindings_p);
|
|
extern Term Yap_StringToNumberTerm(char *s, encoding_t encp);
|
|
int Yap_FormatFloat(Float f, char **s, size_t sz);
|
|
int Yap_open_buf_read_stream(const char *nbuf, size_t nchars, encoding_t enc, memBufSource src);
|
|
int Yap_open_buf_write_stream( char *nbuf, size_t nchars, encoding_t enc, memBufSource src);
|
|
Term Yap_ReadFromAtom(Atom a, Term opts);
|
|
FILE *Yap_GetInputStream(Term t, const char *m);
|
|
FILE *Yap_GetOutputStream(Term t,const char *m);
|
|
char * Yap_guessFileName(int f, int sno, char *nameb, size_t max);
|
|
void Yap_plwrite(Term t, struct stream_desc *mywrite, int max_depth, int flags, int priority);
|
|
|
|
int Yap_CheckSocketStream(Term stream, const char * error);
|
|
void Yap_init_socks(char *host, long interface_port);
|
|
|
|
#ifdef HAVE_ERRNO_H
|
|
#include <errno.h>
|
|
#else
|
|
extern int errno;
|
|
#endif
|
|
|
|
INLINE_ONLY EXTERN UInt inline HashFunction(const unsigned char *);
|
|
INLINE_ONLY EXTERN UInt inline WideHashFunction(wchar_t *);
|
|
|
|
INLINE_ONLY EXTERN inline UInt
|
|
HashFunction(const unsigned char *CHP)
|
|
{
|
|
/* djb2 */
|
|
UInt hash = 5381;
|
|
UInt c;
|
|
|
|
while ((c = (UInt)(*CHP++)) != '\0') {
|
|
/* hash = ((hash << 5) + hash) + c; hash * 33 + c */
|
|
hash = hash * 33 ^ c;
|
|
}
|
|
return hash;
|
|
/*
|
|
UInt OUT=0, i = 1;
|
|
while(*CHP != '\0') { OUT += (UInt)(*CHP++); }
|
|
return OUT;
|
|
*/
|
|
}
|
|
|
|
INLINE_ONLY EXTERN UInt inline
|
|
WideHashFunction(wchar_t *CHP)
|
|
{
|
|
UInt hash = 5381;
|
|
|
|
UInt c;
|
|
|
|
while ((c = *CHP++) != '\0') {
|
|
hash = hash * 33 ^ c;
|
|
}
|
|
return hash;
|
|
}
|
|
|
|
#endif
|