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.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>stream_property/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
*/
public class PRED_stream_property_2 extends Predicate {
static SymbolTerm s1 = SymbolTerm.makeSymbol("domain", 2);
static SymbolTerm s2 = SymbolTerm.makeSymbol("term");
static SymbolTerm s3 = SymbolTerm.makeSymbol("stream_proeprty");
static Term[] s4 = {s2, s3};
static StructureTerm s5 = new StructureTerm(s1, s4);
static SymbolTerm s6 = SymbolTerm.makeSymbol("stream_property", 2);
static IntegerTerm si7 = new IntegerTerm(2);
static Predicate _stream_property_2_sub_1 = new PRED_stream_property_2_sub_1();
static Predicate _stream_property_2_sub_2 = new PRED_stream_property_2_sub_2();
static Predicate _stream_property_2_1 = new PRED_stream_property_2_1();
static Predicate _stream_property_2_2 = new PRED_stream_property_2_2();
static Predicate _stream_property_2_3 = new PRED_stream_property_2_3();
public Term arg1, arg2;
public PRED_stream_property_2(Term a1, Term a2, Predicate cont) {
arg1 = a1;
arg2 = a2;
this.cont = cont;
}
public PRED_stream_property_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 "stream_property(" + arg1 + "," + arg2 + ")";
}
public Predicate exec(Prolog engine) {
engine.aregs[1] = arg1;
engine.aregs[2] = arg2;
engine.cont = cont;
engine.setB0();
return engine.jtry(_stream_property_2_1, _stream_property_2_sub_1);
}
}
class PRED_stream_property_2_sub_1 extends PRED_stream_property_2 {
public Predicate exec(Prolog engine) {
return engine.retry(_stream_property_2_2, _stream_property_2_sub_2);
}
}
class PRED_stream_property_2_sub_2 extends PRED_stream_property_2 {
public Predicate exec(Prolog engine) {
return engine.trust(_stream_property_2_3);
}
}
class PRED_stream_property_2_1 extends PRED_stream_property_2 {
public Predicate exec(Prolog engine) {
// stream_property(A,B):-var(B),!,'$stream_property'(A,B)
Term a1, a2, a3;
Predicate cont;
a1 = engine.aregs[1];
a2 = engine.aregs[2];
cont = engine.cont;
// stream_property(A,B):-['$get_level'(C),var(B),'$cut'(C),'$stream_property'(A,B)]
a3 = new VariableTerm(engine);
//START inline expansion of $get_level(a(3))
if (! a3.unify(new IntegerTerm(engine.B0), engine.trail)) {
return engine.fail();
}
//END inline expansion
//START inline expansion of var(a(2))
a2 = a2.dereference();
if (! a2.isVariable()) {
return engine.fail();
}
//END inline expansion
//START inline expansion of $cut(a(3))
a3 = a3.dereference();
if (! a3.isInteger()) {
throw new IllegalTypeException("integer", a3);
} else {
engine.cut(((IntegerTerm) a3).intValue());
}
//END inline expansion
return new PRED_$stream_property_2(a1, a2, cont);
}
}
class PRED_stream_property_2_2 extends PRED_stream_property_2 {
public Predicate exec(Prolog engine) {
// stream_property(A,B):-'$stream_property_specifier'(B),!,'$stream_property'(A,B)
Term a1, a2, a3;
Predicate p1, p2;
Predicate cont;
a1 = engine.aregs[1];
a2 = engine.aregs[2];
cont = engine.cont;
// stream_property(A,B):-['$get_level'(C),'$stream_property_specifier'(B),'$cut'(C),'$stream_property'(A,B)]
a3 = new VariableTerm(engine);
//START inline expansion of $get_level(a(3))
if (! a3.unify(new IntegerTerm(engine.B0), engine.trail)) {
return engine.fail();
}
//END inline expansion
p1 = new PRED_$stream_property_2(a1, a2, cont);
p2 = new PRED_$cut_1(a3, p1);
return new PRED_$stream_property_specifier_1(a2, p2);
}
}
class PRED_stream_property_2_3 extends PRED_stream_property_2 {
public Predicate exec(Prolog engine) {
// stream_property(A,B):-illarg(domain(term,stream_proeprty),stream_property(A,B),2)
Term a1, a2, a3;
Predicate cont;
a1 = engine.aregs[1];
a2 = engine.aregs[2];
cont = engine.cont;
// stream_property(A,B):-[illarg(domain(term,stream_proeprty),stream_property(A,B),2)]
Term[] y1 = {a1, a2};
a3 = new StructureTerm(s6, y1);
return new PRED_illarg_3(s5, a3, si7, cont);
}
}