package jp.ac.kobe_u.cs.prolog.builtin;
import jp.ac.kobe_u.cs.prolog.lang.IllegalTypeException;
import jp.ac.kobe_u.cs.prolog.lang.IntegerTerm;
import jp.ac.kobe_u.cs.prolog.lang.ListTerm;
import jp.ac.kobe_u.cs.prolog.lang.Predicate;
import jp.ac.kobe_u.cs.prolog.lang.Prolog;
import jp.ac.kobe_u.cs.prolog.lang.StructureTerm;
import jp.ac.kobe_u.cs.prolog.lang.SymbolTerm;
import jp.ac.kobe_u.cs.prolog.lang.Term;
import jp.ac.kobe_u.cs.prolog.lang.VariableTerm;
/*
This file is generated by Prolog Cafe.
PLEASE DO NOT EDIT!
*/
/**
<code>'$mem_pair'/2</code> defined in builtins.pl<br>
@author Mutsunori Banbara (banbara@kobe-u.ac.jp)
@author Naoyuki Tamura (tamura@kobe-u.ac.jp)
@version 1.0
*/
class PRED_$mem_pair_2 extends Predicate {
static SymbolTerm s1 = SymbolTerm.makeSymbol("=", 2);
static Predicate _$mem_pair_2_top = new PRED_$mem_pair_2_top();
static Predicate _$mem_pair_2_var = new PRED_$mem_pair_2_var();
static Predicate _$mem_pair_2_var_1 = new PRED_$mem_pair_2_var_1();
static Predicate _$mem_pair_2_1 = new PRED_$mem_pair_2_1();
static Predicate _$mem_pair_2_2 = new PRED_$mem_pair_2_2();
public Term arg1, arg2;
public PRED_$mem_pair_2(Term a1, Term a2, Predicate cont) {
arg1 = a1;
arg2 = a2;
this.cont = cont;
}
public PRED_$mem_pair_2(){}
public void setArgument(Term[] args, Predicate cont) {
arg1 = args[0];
arg2 = args[1];
this.cont = cont;
}
public int arity() { return 2; }
public String toString() {
return "$mem_pair(" + arg1 + "," + arg2 + ")";
}
public Predicate exec(Prolog engine) {
engine.aregs[1] = arg1;
engine.aregs[2] = arg2;
engine.cont = cont;
return _$mem_pair_2_top;
}
}
class PRED_$mem_pair_2_top extends PRED_$mem_pair_2 {
public Predicate exec(Prolog engine) {
engine.setB0();
return engine.switch_on_term(_$mem_pair_2_var, _$mem_pair_2_2, _$mem_pair_2_2, _$mem_pair_2_2, _$mem_pair_2_var, _$mem_pair_2_2);
}
}
class PRED_$mem_pair_2_var extends PRED_$mem_pair_2 {
public Predicate exec(Prolog engine) {
return engine.jtry(_$mem_pair_2_1, _$mem_pair_2_var_1);
}
}
class PRED_$mem_pair_2_var_1 extends PRED_$mem_pair_2 {
public Predicate exec(Prolog engine) {
return engine.trust(_$mem_pair_2_2);
}
}
class PRED_$mem_pair_2_1 extends PRED_$mem_pair_2 {
public Predicate exec(Prolog engine) {
// '$mem_pair'(A=B,[C=D|E]):-A==C,!,B=D
Term a1, a2, a3, a4, a5, a6, a7, a8;
Predicate cont;
a1 = engine.aregs[1];
a2 = engine.aregs[2];
cont = engine.cont;
// '$mem_pair'(A=B,[C=D|E]):-['$get_level'(F),'$equality_of_term'(A,C),'$cut'(F),'$unify'(B,D)]
a1 = a1.dereference();
if (a1.isStructure()){
if (! s1.equals(((StructureTerm)a1).functor()))
return engine.fail();
Term[] args = ((StructureTerm)a1).args();
a3 = args[0];
a4 = args[1];
} else if (a1.isVariable()){
a3 = new VariableTerm(engine);
a4 = new VariableTerm(engine);
Term[] args = {a3, a4};
((VariableTerm) a1).bind(new StructureTerm(s1, args), engine.trail);
} else {
return engine.fail();
}
a2 = a2.dereference();
if (a2.isList()){
Term[] args = {((ListTerm)a2).car(), ((ListTerm)a2).cdr()};
a5 = args[0];
} else if (a2.isVariable()){
a5 = new VariableTerm(engine);
((VariableTerm) a2).bind(new ListTerm(a5, new VariableTerm(engine)), engine.trail);
} else {
return engine.fail();
}
a5 = a5.dereference();
if (a5.isStructure()){
if (! s1.equals(((StructureTerm)a5).functor()))
return engine.fail();
Term[] args = ((StructureTerm)a5).args();
a6 = args[0];
a7 = args[1];
} else if (a5.isVariable()){
a6 = new VariableTerm(engine);
a7 = new VariableTerm(engine);
Term[] args = {a6, a7};
((VariableTerm) a5).bind(new StructureTerm(s1, args), engine.trail);
} else {
return engine.fail();
}
a8 = new VariableTerm(engine);
//START inline expansion of $get_level(a(8))
if (! a8.unify(new IntegerTerm(engine.B0), engine.trail)) {
return engine.fail();
}
//END inline expansion
//START inline expansion of $equality_of_term(a(3),a(6))
a3 = a3.dereference();
a6 = a6.dereference();
if (! a3.equals(a6)) {
return engine.fail();
}
//END inline expansion
//START inline expansion of $cut(a(8))
a8 = a8.dereference();
if (! a8.isInteger()) {
throw new IllegalTypeException("integer", a8);
} else {
engine.cut(((IntegerTerm) a8).intValue());
}
//END inline expansion
//START inline expansion of $unify(a(4),a(7))
if (! a4.unify(a7, engine.trail)) {
return engine.fail();
}
//END inline expansion
return cont;
}
}
class PRED_$mem_pair_2_2 extends PRED_$mem_pair_2 {
public Predicate exec(Prolog engine) {
// '$mem_pair'(A,[B|C]):-'$mem_pair'(A,C)
Term a1, a2, a3;
Predicate cont;
a1 = engine.aregs[1];
a2 = engine.aregs[2];
cont = engine.cont;
// '$mem_pair'(A,[B|C]):-['$mem_pair'(A,C)]
a2 = a2.dereference();
if (a2.isList()){
Term[] args = {((ListTerm)a2).car(), ((ListTerm)a2).cdr()};
a3 = args[1];
} else if (a2.isVariable()){
a3 = new VariableTerm(engine);
((VariableTerm) a2).bind(new ListTerm(new VariableTerm(engine), a3), engine.trail);
} else {
return engine.fail();
}
engine.aregs[1] = a1;
engine.aregs[2] = a3;
engine.cont = cont;
return _$mem_pair_2_top;
}
}