176 lines
4.1 KiB
C
176 lines
4.1 KiB
C
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#ifndef BPROLOG_H
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#define BPROLOG_H 1
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#include <YapInterface.h>
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#include <math.h>
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#include "inline-only.h"
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typedef YAP_Term TERM;
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typedef YAP_Int BPLONG;
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typedef YAP_UInt BPULONG;
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typedef BPLONG *BPLONG_PTR;
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#define BP_TRUE TRUE
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#define BP_FALSE FALSE
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//extern TERM bp_get_call_arg(int i, int arity);
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#define bp_get_call_arg( i, arity) YAP_A(i)
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//extern int bp_is_atom(TERM t)
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#define bp_is_atom(t) YAP_IsAtomTerm(t)
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//extern int bp_is_integer(TERM t)
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#define bp_is_integer(t) YAP_IsIntTerm(t)
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//extern int bp_is_float(TERM t)
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#define bp_is_float(t) YAP_IsFloatTerm(t)
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//extern int bp_is_nil(TERM t)
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#define bp_is_nil(t) YAP_IsTermNil(t)
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//extern int bp_is_list(TERM t)
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#define bp_is_list(t) YAP_IsPairTerm(t)
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//extern int bp_is_structure(TERM t)
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#define bp_is_structure(t) YAP_IsApplTerm(t)
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//extern int bp_is_compound(TERM t)
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#define bp_is_compound(t) YAP_IsCompoundTerm(t)
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//extern int bp_is_unifiable(TERM t1, Term t2)
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#define bp_is_unifiable(t1, t2) YAP_unifiable(t1, t2)
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//extern int bp_is_identical(TERM t1, Term t2)
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#define bp_is_identical(t1, t2) YAP_ExactlyEqual(t1, t2)
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// int bp_get_integer(TERM t)
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#define bp_get_integer(t) YAP_IntOfTerm(t)
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// double bp_get_float(TERM t)
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#define bp_get_float(t) YAP_FloatOfTerm(t)
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// char *bp_get_name(TERM t)
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inline static const char *
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bp_get_name(TERM t)
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{
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if (YAP_IsAtomTerm(t)) {
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return YAP_AtomName(YAP_AtomOfTerm(t));
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}
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if (YAP_IsApplTerm(t)) {
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return YAP_AtomName(YAP_NameOfFunctor(YAP_FunctorOfTerm(t)));
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}
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// exception = illegal_arguments;
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return NULL;
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}
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// char *bp_get_name(TERM t)
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static inline int
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bp_get_arity(TERM t)
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{
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if (YAP_IsAtomTerm(t)) {
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return 0;
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}
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if (YAP_IsApplTerm(t)) {
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return (int)YAP_ArityOfFunctor(YAP_FunctorOfTerm(t));
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}
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// exception = illegal_arguments;
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return 0;
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}
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//extern int bp_unify(TERM t1, TERM t2)
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#define bp_unify(t1, t2) YAP_Unify(t1, t2)
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//TERM bp_get_arg(int i, TERM t)
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#define bp_get_arg(i, t) YAP_ArgOfTerm(i, t)
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//TERM bp_get_car(Term t)
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#define bp_get_car(t) YAP_HeadOfTerm(t)
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//TERM bp_get_cdr(Term t)
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#define bp_get_cdr(t) YAP_TailOfTerm(t)
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// void bp_write(TERM t)
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#define bp_write(t) YAP_WriteTerm(t, NULL, 0)
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// TERM bp_build_var()
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#define bp_build_var(t) YAP_MkVarTerm()
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// TERM bp_build_integer(int i)
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#define bp_build_integer(i) YAP_MkIntTerm(i)
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// TERM bp_build_float(double f)
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#define bp_build_float(f) YAP_MkFloatTerm(f)
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// TERM bp_build_atom(char *name)
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#define bp_build_atom(name) YAP_MkAtomTerm(YAP_LookupAtom((name)))
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// TERM bp_build_nil()
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#define bp_build_nil() YAP_TermNil()
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// TERM bp_build_list()
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#define bp_build_list() YAP_MkNewPairTerm()
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// TERM bp_build_structure(char *name, int arity)
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#define bp_build_structure(name, arity) YAP_MkNewApplTerm(YAP_MkFunctor(YAP_LookupAtom(name),arity), arity)
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// TERM bp_insert_pred(char *name, int arity, int (*func)())
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#define bp_insert_pred(name, arity, func) YAP_UserCPredicate(name, func, arity)
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INLINE_ONLY extern inline int bp_call_string(const char *goal);
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INLINE_ONLY extern inline int bp_call_term(TERM t);
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INLINE_ONLY extern inline int bp_next_solution(void);
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INLINE_ONLY extern inline int bp_mount_query_term(TERM goal);
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// int bp_call_string(char *goal)
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INLINE_ONLY extern inline int
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bp_call_string(const char *goal) {
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return YAP_RunGoal(YAP_ReadBuffer(goal, NULL));
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}
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// int bp_call_term(TERM goal)
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INLINE_ONLY extern inline int
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bp_call_term(TERM t) {
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return YAP_RunGoal(t);
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}
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#define TOAM_NOTSET 0L
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#define curr_out stdout
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#define BP_ERROR (-1)
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#define INTERRUPT 0x2L
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#define exception YAP_BPROLOG_exception
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#define curr_toam_status YAP_BPROLOG_curr_toam_status
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extern YAP_Term YAP_BPROLOG_curr_toam_status;
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extern YAP_Int YAP_BPROLOG_exception;
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// TERM bp_next_solution()
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INLINE_ONLY extern inline int bp_next_solution(void)
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{
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if (curr_toam_status) {
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TERM goal = curr_toam_status;
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curr_toam_status = TOAM_NOTSET;
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return YAP_RunGoal(goal);
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}
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return YAP_RestartGoal();
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}
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// void bp_mount_query_string(char *goal)
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#define bp_mount_query_string(goal) (curr_toam_status = YAP_ReadBuffer(goal, NULL))
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// void bp_mount_query_term(TERM goal)
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INLINE_ONLY extern inline int
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bp_mount_query_term(TERM goal)
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{
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curr_toam_status = goal;
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return TRUE;
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}
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#endif /* BPROLOG_H */
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