432 lines
10 KiB
C
432 lines
10 KiB
C
/*************************************************************************
|
|
* *
|
|
* YAP Prolog *
|
|
* *
|
|
* Yap Prolog was developed at NCCUP - Universidade do Porto *
|
|
* *
|
|
* Copyright L.Damas, V.S.Costa and Universidade do Porto 2015- *
|
|
* *
|
|
**************************************************************************
|
|
* *
|
|
* File: YapFlags.h *
|
|
* Last rev: *
|
|
* mods: *
|
|
* comments: flag system interface. *
|
|
* *
|
|
*************************************************************************/
|
|
|
|
/**
|
|
@file YapFlags.h
|
|
|
|
@{
|
|
@addtogroup YAPFlags
|
|
*/
|
|
|
|
#ifndef YAP_FLAGS_H
|
|
#define YAP_FLAGS_H 1
|
|
|
|
// INLINE_ONLY bool nat( Term inp );
|
|
|
|
#define SYSTEM_OPTION_0 "attributed_variables,rational_trees]"
|
|
#if THREADS
|
|
#define SYSTEM_OPTION_1 "threads,"
|
|
#endif
|
|
#if USE_GMP
|
|
#define SYSTEM_OPTION_3 "big_numbers,"
|
|
#endif
|
|
#if DEPTH_LIMIT
|
|
#define SYSTEM_OPTION_4 "depth_limit,"
|
|
#endif
|
|
#if LOW_LEVEL_TRACE
|
|
#define SYSTEM_OPTION_5 "low_level_tracer,"
|
|
#endif
|
|
#if YAPOR
|
|
#define SYSTEM_OPTION_6 "or_parallelism,"
|
|
#endif
|
|
#if USE_READLINE
|
|
#define SYSTEM_OPTION_7 "readline,"
|
|
#endif
|
|
#if TABLING
|
|
#define SYSTEM_OPTION_8 "tabling,"
|
|
#endif
|
|
|
|
static inline Term nat(Term inp) {
|
|
if (IsVarTerm(inp)) {
|
|
Yap_Error(INSTANTIATION_ERROR, inp, "set_prolog_flag: value must be %s",
|
|
"bound");
|
|
return TermZERO;
|
|
}
|
|
if (IsIntTerm(inp)) {
|
|
Int i = IntOfTerm(inp);
|
|
if (i >= 0)
|
|
return inp;
|
|
Yap_Error(DOMAIN_ERROR_NOT_LESS_THAN_ZERO, inp,
|
|
"set_prolog_flag: value must be %s", ">= 0");
|
|
return TermZERO;
|
|
}
|
|
Yap_Error(TYPE_ERROR_INTEGER, inp, "set_prolog_flag: value must be %s",
|
|
"integer");
|
|
return TermZERO;
|
|
}
|
|
|
|
static inline Term at2n(Term inp) {
|
|
Yap_Error(PERMISSION_ERROR_READ_ONLY_FLAG, inp, "set_prolog_flag %s",
|
|
"flag is read-only");
|
|
return TermZERO;
|
|
}
|
|
|
|
static inline Term isfloat(Term inp) {
|
|
if (IsVarTerm(inp)) {
|
|
Yap_Error(INSTANTIATION_ERROR, inp, "set_prolog_flag: value must be %s",
|
|
"integer");
|
|
|
|
return TermZERO;
|
|
}
|
|
if (IsFloatTerm(inp)) {
|
|
return inp;
|
|
}
|
|
Yap_Error(TYPE_ERROR_FLOAT, inp, "set_prolog_flag: value must be %s",
|
|
"floating-point");
|
|
return TermZERO;
|
|
}
|
|
|
|
static inline Term ro(Term inp);
|
|
|
|
static inline Term ro(Term inp) {
|
|
if (IsVarTerm(inp)) {
|
|
Yap_Error(INSTANTIATION_ERROR, inp, "set_prolog_flag: value must be %s",
|
|
"bound");
|
|
return TermZERO;
|
|
}
|
|
Yap_Error(PERMISSION_ERROR_READ_ONLY_FLAG, inp, "set_prolog_flag %s",
|
|
"flag is read-only");
|
|
return TermZERO;
|
|
}
|
|
|
|
INLINE_ONLY Term aro(Term inp) {
|
|
if (IsVarTerm(inp)) {
|
|
Yap_Error(INSTANTIATION_ERROR, inp, "set_prolog_flag %s",
|
|
"value must be bound");
|
|
|
|
return TermZERO;
|
|
}
|
|
Yap_Error(PERMISSION_ERROR_READ_ONLY_FLAG, inp, "set_prolog_flag %s",
|
|
"flag is read-only");
|
|
|
|
return TermZERO;
|
|
}
|
|
|
|
// INLINE_ONLY Term booleanFlag( Term inp );
|
|
|
|
static inline Term booleanFlag(Term inp) {
|
|
if (IsStringTerm(inp)) {
|
|
inp = MkStringTerm(RepAtom(AtomOfTerm(inp))->StrOfAE);
|
|
}
|
|
if (inp == TermTrue || inp == TermOn)
|
|
return TermTrue;
|
|
if (inp == TermFalse || inp == TermOff)
|
|
return TermFalse;
|
|
if (IsVarTerm(inp)) {
|
|
Yap_Error(INSTANTIATION_ERROR, inp, "set_prolog_flag %s",
|
|
"value must be bound");
|
|
;
|
|
return TermZERO;
|
|
}
|
|
if (IsAtomTerm(inp)) {
|
|
Yap_Error(DOMAIN_ERROR_OUT_OF_RANGE, inp,
|
|
"set_prolog_flag in {true,false,on,off}");
|
|
return TermZERO;
|
|
}
|
|
Yap_Error(TYPE_ERROR_ATOM, inp, "set_prolog_flag in {true,false,on,off");
|
|
return TermZERO;
|
|
}
|
|
|
|
static Term synerr(Term inp) {
|
|
if (IsStringTerm(inp)) {
|
|
inp = MkStringTerm(RepAtom(AtomOfTerm(inp))->StrOfAE);
|
|
}
|
|
if (inp == TermDec10 || inp == TermFail || inp == TermError ||
|
|
inp == TermQuiet)
|
|
return inp;
|
|
|
|
if (IsAtomTerm(inp)) {
|
|
Yap_ThrowError(DOMAIN_ERROR_OUT_OF_RANGE, inp,
|
|
"set_prolog_flag in {dec10,error,fail,quiet}");
|
|
return TermZERO;
|
|
}
|
|
Yap_ThrowError(TYPE_ERROR_ATOM, inp,
|
|
"syntax_error flag must be atom");
|
|
return TermZERO;
|
|
}
|
|
|
|
static inline Term filler(Term inp) { return inp; }
|
|
|
|
static inline Term list_filler(Term inp) {
|
|
if (IsVarTerm(inp) || IsPairTerm(inp) || inp == TermNil)
|
|
return inp;
|
|
|
|
Yap_Error(TYPE_ERROR_LIST, inp, "set_prolog_flag in {codes,string}");
|
|
|
|
return TermZERO;
|
|
}
|
|
|
|
// INLINE_ONLY Term isatom( Term inp );
|
|
|
|
static inline Term isatom(Term inp) {
|
|
if (IsVarTerm(inp)) {
|
|
Yap_Error(INSTANTIATION_ERROR, inp, "set_prolog_flag %s",
|
|
"value must be bound");
|
|
return TermZERO;
|
|
}
|
|
if (IsStringTerm(inp)) {
|
|
inp = MkStringTerm(RepAtom(AtomOfTerm(inp))->StrOfAE);
|
|
}
|
|
if (IsAtomTerm(inp))
|
|
return inp;
|
|
Yap_Error(TYPE_ERROR_ATOM, inp, "set_prolog_flag");
|
|
return TermZERO;
|
|
}
|
|
|
|
static inline Term isadress(Term inp) {
|
|
if (IsVarTerm(inp)) {
|
|
Yap_Error(INSTANTIATION_ERROR, inp, "set_prolog_flag %s",
|
|
"value must be bound");
|
|
return TermZERO;
|
|
}
|
|
if (IsAddressTerm(inp))
|
|
return inp;
|
|
Yap_Error(TYPE_ERROR_ATOM, inp, "set_prolog_flag");
|
|
return TermZERO;
|
|
}
|
|
|
|
static inline Term options(Term inp) {
|
|
return Yap_IsGroundTerm(inp) ? inp : TermZERO;
|
|
}
|
|
|
|
static inline const char * rootdir(Term inp) {
|
|
return Yap_ROOTDIR;
|
|
}
|
|
|
|
// INLINE_ONLY Term ok( Term inp );
|
|
|
|
static inline Term ok(Term inp) { return inp; }
|
|
|
|
// a pair, obtained from x(y) -> 1,2,y)
|
|
typedef struct x_el {
|
|
bool used;
|
|
Term tvalue;
|
|
} xarg;
|
|
|
|
typedef struct struct_param {
|
|
const char *name;
|
|
flag_func type;
|
|
int id;
|
|
} param_t;
|
|
|
|
typedef struct struct_param2 {
|
|
char *name;
|
|
flag_func type;
|
|
int id;
|
|
const char *scope;
|
|
} param2_t;
|
|
|
|
typedef struct {
|
|
char *name;
|
|
bool writable;
|
|
flag_func def;
|
|
const char *init;
|
|
flag_helper_func helper;
|
|
} flag_info;
|
|
|
|
typedef struct {
|
|
char *name;
|
|
flag_func def;
|
|
const char *init;
|
|
} arg_info;
|
|
|
|
typedef union flagTerm {
|
|
Term at;
|
|
struct DB_TERM *DBT;
|
|
} flag_term;
|
|
|
|
void Yap_InitFlags(bool);
|
|
|
|
/**
|
|
@pred yap_flag( ?Param, ?Value)
|
|
|
|
|
|
Set or read system properties for _Param_:
|
|
*/
|
|
|
|
|
|
#define YAP_FLAG(ITEM, NAME, WRITABLE, DEF, INIT, HELPER) ITEM
|
|
#define START_LOCAL_FLAGS enum THREAD_LOCAL_FLAGS {
|
|
#define END_LOCAL_FLAGS };
|
|
#define START_GLOBAL_FLAGS enum GLOBAL_FLAGS {
|
|
#define END_GLOBAL_FLAGS };
|
|
|
|
/* */
|
|
#include "YapGFlagInfo.h"
|
|
|
|
/* Local flags */
|
|
#include "YapLFlagInfo.h"
|
|
|
|
#ifndef DOXYGEN
|
|
|
|
#undef YAP_FLAG
|
|
#undef START_LOCAL_FLAGS
|
|
#undef END_LOCAL_FLAGS
|
|
#undef START_GLOBAL_FLAGS
|
|
#undef END_GLOBAL_FLAGS
|
|
|
|
#endif
|
|
|
|
bool setYapFlag(Term tflag, Term t2);
|
|
Term getYapFlag(Term tflag);
|
|
|
|
int Yap_ArgKey(Atom key, const param_t *def, int n);
|
|
|
|
static inline bool check_refs_to_ltable(void) { return true; }
|
|
|
|
static inline void setAtomicGlobalPrologFlag(int id, Term v) {
|
|
GLOBAL_Flags[id].at = v;
|
|
}
|
|
|
|
static inline Term getAtomicGlobalPrologFlag(int id) {
|
|
return GLOBAL_Flags[id].at;
|
|
}
|
|
|
|
static inline void setAtomicLocalPrologFlag(int id, Term v) {
|
|
CACHE_REGS
|
|
check_refs_to_ltable();
|
|
LOCAL_Flags[id].at = v;
|
|
}
|
|
|
|
static inline void setBooleanLocalPrologFlag(int id, bool v) {
|
|
CACHE_REGS
|
|
check_refs_to_ltable();
|
|
if (v) {
|
|
LOCAL_Flags[id].at = TermTrue;
|
|
} else {
|
|
LOCAL_Flags[-id].at = TermFalse;
|
|
}
|
|
}
|
|
|
|
static inline void setBooleanGlobalPrologFlag(int id, bool v) {
|
|
if (v) {
|
|
GLOBAL_Flags[id].at = TermTrue;
|
|
} else {
|
|
GLOBAL_Flags[id].at = TermFalse;
|
|
}
|
|
}
|
|
|
|
static inline bool trueGlobalPrologFlag(int id) {
|
|
return GLOBAL_Flags[id].at == TermTrue;
|
|
}
|
|
|
|
static inline bool falseGlobalPrologFlag(int id) {
|
|
return GLOBAL_Flags[id].at == TermFalse;
|
|
}
|
|
|
|
static inline bool trueLocalPrologFlag(int id) {
|
|
CACHE_REGS
|
|
return LOCAL_Flags[id].at == TermTrue;
|
|
}
|
|
|
|
static inline bool falseLocalPrologFlag(int id) {
|
|
CACHE_REGS
|
|
return LOCAL_Flags[id].at == TermFalse;
|
|
}
|
|
|
|
static inline bool isoLanguageFlag(void) {
|
|
return GLOBAL_Flags[ISO_FLAG].at == TermTrue;
|
|
}
|
|
|
|
static inline bool strictISOFlag(void) {
|
|
return GLOBAL_Flags[STRICT_ISO_FLAG].at == TermTrue;
|
|
}
|
|
|
|
static inline bool silentMode(void) {
|
|
return GLOBAL_Flags[VERBOSE_FLAG].at == TermSilent;
|
|
}
|
|
|
|
static inline bool verboseMode(void) {
|
|
return GLOBAL_Flags[VERBOSE_FLAG].at != TermSilent;
|
|
}
|
|
|
|
|
|
static inline void setVerbosity(Term val) {
|
|
GLOBAL_Flags[VERBOSE_FLAG].at = val;
|
|
if (val == TermSilent)
|
|
GLOBAL_Flags[VERBOSE_LOAD_FLAG].at = TermFalse;
|
|
}
|
|
|
|
static inline bool setSyntaxErrorsFlag(Term val) {
|
|
if ((val = synerr(val)) == TermZERO)
|
|
return false;
|
|
CACHE_REGS
|
|
LOCAL_Flags[SYNTAX_ERRORS_FLAG].at = val;
|
|
return true;
|
|
}
|
|
|
|
static inline Term getSyntaxErrorsFlag(void) {
|
|
CACHE_REGS
|
|
return LOCAL_Flags[SYNTAX_ERRORS_FLAG].at;
|
|
}
|
|
|
|
// used to overwrite singletons quoteFunc flag
|
|
static inline bool setReadTermBackQuotesFlag(Term val) {
|
|
|
|
GLOBAL_Flags[BACK_QUOTES_FLAG].at = val;
|
|
return true;
|
|
}
|
|
|
|
static inline Term getReadTermBackQuotesFlag(void) {
|
|
Term val;
|
|
unsigned int flags = Yap_GetModuleEntry(CurrentModule)->flags;
|
|
if (flags & BCKQ_ATOM) {
|
|
val = TermAtom;
|
|
} else if (flags & BCKQ_STRING) {
|
|
val = TermString;
|
|
} else if (flags & BCKQ_CHARS) {
|
|
val = TermChars;
|
|
} else {
|
|
val = TermCodes;
|
|
}
|
|
return GLOBAL_Flags[BACK_QUOTES_FLAG].at = val;
|
|
}
|
|
|
|
static inline Term indexingMode(void) { return GLOBAL_Flags[INDEX_FLAG].at; }
|
|
|
|
static inline const char *floatFormat(void) {
|
|
return RepAtom(AtomOfTerm(GLOBAL_Flags[FLOAT_FORMAT_FLAG].at))->rep.uStrOfAE;
|
|
}
|
|
|
|
static inline size_t indexingDepth(void) {
|
|
return IntOfTerm(GLOBAL_Flags[INDEX_SUB_TERM_SEARCH_DEPTH_FLAG].at);
|
|
}
|
|
|
|
static inline Term gcTrace(void) { return GLOBAL_Flags[GC_TRACE_FLAG].at; }
|
|
|
|
Term Yap_UnknownFlag(Term mod);
|
|
|
|
bool rmdot(Term inp);
|
|
|
|
#define Yap_ArgListToVector(l, def, n, e) \
|
|
Yap_ArgListToVector__(__FILE__, __FUNCTION__, __LINE__, l, def, n, e)
|
|
|
|
extern xarg *Yap_ArgListToVector__(const char *file, const char *function, int lineno,Term listl, const param_t *def, int n,
|
|
yap_error_number e);
|
|
|
|
#define Yap_ArgListToVector(l, def, n, e) \
|
|
Yap_ArgListToVector__(__FILE__, __FUNCTION__, __LINE__, l, def, n, e)
|
|
|
|
extern xarg *Yap_ArgList2ToVector__(const char *file, const char *function, int lineno, Term listl, const param2_t *def, int n, yap_error_number e);
|
|
|
|
#define Yap_ArgList2ToVector(l, def, n, e) \
|
|
Yap_ArgList2ToVector__(__FILE__, __FUNCTION__, __LINE__, l, def, n, e)
|
|
|
|
#endif // YAP_FLAGS_H
|
|
|
|
/// @}
|