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yap-6.3/library/dialect/bprolog/fli/bp.h
2011-10-24 22:44:41 +01:00

142 lines
3.3 KiB
C

#include <YapInterface.h>
#define TERM YAP_Term
//extern TERM bp_get_call_arg(int i, int arity);
#define bp_get_call_arg( i, arity) YAP_A(i)
//extern int bp_is_atom(TERM t)
#define bp_is_atom(t) YAP_IsAtomTerm(t)
//extern int bp_is_integer(TERM t)
#define bp_is_integer(t) YAP_IsIntTerm(t)
//extern int bp_is_float(TERM t)
#define bp_is_float(t) YAP_IsFloatTerm(t)
//extern int bp_is_nil(TERM t)
#define bp_is_nil(t) YAP_IsTermNil(t)
//extern int bp_is_list(TERM t)
#define bp_is_nil(t) YAP_IsPairTerm(t)
//extern int bp_is_structure(TERM t)
#define bp_is_nil(t) YAP_IsApplTerm(t)
//extern int bp_is_compound(TERM t)
#define bp_is_nil(t) ( YAP_IsApplTerm(t) || YAP_IsPairTerm(t) )
//extern int bp_is_unifiable(TERM t1, Term t2)
#define bp_is_unifiable(t1, t2) YAP_unifiable_NOT_IMPLEMENTED(t1, t2)
//extern int bp_is_identical(TERM t1, Term t2)
#define bp_is_identical(t1, t2) YAP_ExactlyEqual(t1, t2)
// int bp_get_integer(TERM t)
#define bp_get_integer(t) YAP_IntOfTerm(t)
// double bp_get_float(TERM t)
#define bp_get_float(t) YAP_FloatOfTerm(t)
// char *bp_get_name(TERM t)
static inline char *
bp_get_name(TERM t)
{
if (YAP_IsAtomTerm(t)) {
return YAP_AtomName(YAP_AtomOfTerm(t));
}
if (YAP_IsApplTerm(t)) {
return YAP_AtomName(YAP_NameOfFunctor(YAP_FunctorOfTerm(t)));
}
// exception = illegal_arguments;
return NULL;
}
// char *bp_get_name(TERM t)
static inline int
bp_get_arity(TERM t)
{
if (YAP_IsAtomTerm(t)) {
return 0;
}
if (YAP_IsApplTerm(t)) {
return (int)YAP_ArityOfFunctor(YAP_FunctorOfTerm(t)));
}
// exception = illegal_arguments;
return NULL;
}
//extern int bp_unify(TERM t1, TERM t2)
#define bp_unify(t1, t2) YAP_Unify(t1, t2)
//TERM bp_get_arg(int i, TERM t)
#define bp_get_arg(i, t) YAP_ArgOfTerm(i, t)
//TERM bp_get_car(Term t)
#define bp_get_car(t) YAP_HeadOfTerm(i, t)
//TERM bp_get_cdr(Term t)
#define bp_get_cdr(t) YAP_TailOfTerm(i, t)
// void bp_write(TERM t)
#define bp_write(t) YAP_WriteTerm(t, NULL, 0)
// TERM bp_build_var()
#define bp_build_var(t) YAP_MkVarTerm()
// TERM bp_build_integer(int i)
#define bp_build_integer(i) YAP_MkIntTerm(i)
// TERM bp_build_float(double f)
#define bp_build_float(f) YAP_MkFloatTerm(f)
// TERM bp_build_atom(char *name)
#define bp_build_atom(name) YAP_MkAtomTerm(YAP_LookupAtom(name))
// TERM bp_build_nil()
#define bp_build_nil() YAP_TermNil()
// TERM bp_build_list()
#define bp_build_list() YAP_MkNewPairTerm()
// TERM bp_build_structure(char *name, int arity)
#define bp_build_structure(name, arity) YAP_MkNewApplTerm(YAP_MkFunctor(YAP_LookupAtom(name),arity), arity)
// TERM bp_insert_pred(char *name, int arity, int (*func)())
#define bp_insert_pred(name, arity, func) YAP_UserCPredicate(name, func, arity)
// int bp_call_string(char *goal)
#define bp_call_string(goal) YAP_RunGoal(YAP_ReadBuffer(goal, NULL))
// int bp_call_term(TERM goal)
#define bp_call_term(goal) YAP_RunGoal(goal)
// void bp_mount_query_string(char *goal)
#define bp_mount_query_string(goal) bp_t = YAP_ReadBuffer(goal, NULL);
// void bp_mount_query_term(TERM goal)
// #define bp_mount_query_term(goal) bp_t = t;
// TERM bp_next_solution()
static int bp_next_solution(void)
{
if (bp_t) {
Term t = bp_t;
bp_t = NULL;
return YAP_RunGoal(YAP_ReadBuffer(goal, NULL));
}
return YAP_RestartGoal();
}