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yap-6.3/H/YapFlags.h
Vítor Santos Costa 8fc4dc2219 new flag system
2015-06-18 01:59:07 +01:00

330 lines
7.0 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
@ingroup Flags
*/
#ifndef YAP_FLAGS_H
#define YAP_FLAGS_H 1
//INLINE_ONLY inline EXTERN bool nat( Term inp );
static inline bool nat( Term inp ) {
if (IsVarTerm(inp)) {
Yap_Error(INSTANTIATION_ERROR, inp, "set_prolog_flag in 0...");
return false;
}
if (IsIntTerm(inp)) {
Int i = IntOfTerm(inp);
if (i >= 0) return true;
Yap_Error(DOMAIN_ERROR_NOT_LESS_THAN_ZERO, inp, "set_prolog_flag in 0...");
return false;
}
Yap_Error(TYPE_ERROR_INTEGER, inp, "set_prolog_flag in 0...");
return false;
}
static inline bool at2n( Term inp ) {
Yap_Error(PERMISSION_ERROR_READ_ONLY_FLAG, inp, "set_prolog_flag.");
return false;
}
static inline bool isfloat( Term inp ) {
if (IsVarTerm(inp)) {
Yap_Error(INSTANTIATION_ERROR, inp, "set_prolog_flag in 0.0.");
return false;
}
if (IsFloatTerm(inp)) {
return true;
}
Yap_Error(TYPE_ERROR_FLOAT, inp, "set_prolog_flag in 0...");
return false;
}
INLINE_ONLY inline EXTERN bool ro( Term inp );
INLINE_ONLY inline EXTERN bool ro( Term inp ) {
if (IsVarTerm(inp)) {
Yap_Error(INSTANTIATION_ERROR, inp, "set_prolog_flag in 0...");
return false;
}
Yap_Error( PERMISSION_ERROR_READ_ONLY_FLAG, inp, "set_prolog_flag.");
return false;
}
//INLINE_ONLY inline EXTERN bool boolean( Term inp );
static inline bool boolean( Term inp ) {
if (inp == TermTrue ||
inp == TermFalse||
inp == TermOn||
inp == TermOff )
return true;
if (IsVarTerm(inp)) {
Yap_Error(INSTANTIATION_ERROR, inp, "set_prolog_flag in {true,false,on,off");
return false;
}
if (IsAtomTerm(inp)) {
Yap_Error(DOMAIN_ERROR_OUT_OF_RANGE, inp, "set_prolog_flag in {true,false,on,off}");
return false;
}
Yap_Error(TYPE_ERROR_ATOM, inp, "set_prolog_flag in {true,false,on,off");
return false;
}
static bool synerr( Term inp ) {
if (inp == TermDec10 ||
inp == TermFail||
inp == TermError||
inp == TermQuiet )
return true;
if (IsAtomTerm(inp)) {
Yap_Error(DOMAIN_ERROR_OUT_OF_RANGE, inp, "set_prolog_flag in {dec10,error,fail,quiet}");
return false;
}
Yap_Error(TYPE_ERROR_ATOM, inp, "set_prolog_flag in {dec10,error,fail,quiet}");
return false;
}
static inline bool filler( Term inp )
{
return true;
}
static bool bqs( Term inp ) {
if (inp == TermCodes ||
inp == TermString||
inp == TermSymbolChar )
return true;
if (IsAtomTerm(inp)) {
Yap_Error(DOMAIN_ERROR_OUT_OF_RANGE, inp, "set_prolog_flag in {codes,string}");
return false;
}
Yap_Error(TYPE_ERROR_ATOM, inp, "set_prolog_flag in {codes,string}");
return false;
}
//INLINE_ONLY inline EXTERN bool isatom( Term inp );
static inline bool isatom( Term inp ) {
if (IsVarTerm(inp)) {
Yap_Error(INSTANTIATION_ERROR, inp, "set_prolog_flag");
return false;
}
if (IsAtomTerm(inp) )
return true;
Yap_Error(TYPE_ERROR_ATOM, inp, "set_prolog_flagm");
return false;
}
// INLINE_ONLY inline EXTERN bool ok( Term inp );
static inline bool ok( Term inp ) {
return true;
}
// a pair, obtained from x(y) -> 1,2,y)
typedef struct x_el {
bool used;
Term tvalue;
} xarg;
typedef struct struct_param {
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 {
const char *name;
bool writable;
flag_func def;
const char *init;
flag_func helper;
} flag_info;
typedef struct {
const 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 );
#define YAP_FLAG( x, NAME, WRITABLE, DEF, INIT, HELPER ) x
typedef enum {
#include "YapGFlagInfo.h"
} global_flag_t;
typedef enum {
#include "YapLFlagInfo.h"
} local_flag_t;
#undef YAP_FLAG
bool setYapFlag( Term tflag, Term t2 );
Term getYapFlag( Term tflag );
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 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 falsePrologFlag(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) {
CACHE_REGS
return GLOBAL_Flags[VERBOSE_FLAG].at == TermSilent;
}
static inline void setVerbosity(Term val) {
CACHE_REGS
GLOBAL_Flags[VERBOSE_FLAG].at = val;
}
static inline bool setSyntaxErrorsFlag(Term val) {
if (!synerr( val ))
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;
}
static inline bool setBackQuotesFlag(Term val) {
if (!bqs( val ))
return false;
if (val == TermSymbolChar)
val = TermString;
CACHE_REGS
GLOBAL_Flags[BACKQUOTED_STRING_FLAG].at = val;
return true;
}
static inline Term getBackQuotesFlag(void) {
CACHE_REGS
return GLOBAL_Flags[BACKQUOTED_STRING_FLAG].at;
}
static inline int indexingMode(void) {
CACHE_REGS
return GLOBAL_Flags[INDEX_FLAG].at;
}
static inline const char *floatFormat(void) {
CACHE_REGS
return RepAtom(AtomOfTerm(GLOBAL_Flags[FLOAT_FORMAT_FLAG].at))->StrOfAE;
}
static inline size_t indexingDepth(void) {
CACHE_REGS
return IntOfTerm(GLOBAL_Flags[INDEX_SUB_TERM_SEARCH_DEPTH_FLAG].at);
}
bool rmdot(Term inp);
xarg * Yap_ArgListToVector (Term listl, const param_t *def, int n);
xarg * Yap_ArgList2ToVector (Term listl, const param2_t *def, int n);
#endif // YAP_FLAGS_H