public static SCode Make(PrimitiveIsRatnum predicate, SCode consequent, SCode alternative)
{
return
(predicate is PrimitiveIsRatnumL) ? PCondIsRatnumL.Make ((PrimitiveIsRatnumL) predicate, consequent, alternative)
: (consequent is LexicalVariable) ? PCondIsRatnumSL.Make (predicate, (LexicalVariable) consequent, alternative)
: (consequent is Quotation) ? PCondIsRatnumSQ.Make (predicate, (Quotation) consequent, alternative)
: (alternative is LexicalVariable) ? PCondIsRatnumSSL.Make (predicate, consequent, (LexicalVariable) alternative)
: (alternative is Quotation) ? PCondIsRatnumSSQ.Make (predicate, consequent, (Quotation) alternative)
: new PCondIsRatnum (predicate, consequent, alternative);
}
public static SCode Make(PrimitiveIsRatnum predicate, SCode consequent, Quotation alternative)
{
return new PCondIsRatnumSSQ (predicate, consequent, alternative);
}
public static SCode Make(PrimitiveIsRatnum predicate, SCode consequent, LexicalVariable alternative)
{
return new PCondIsRatnumSSL (predicate, consequent, alternative);
}
protected PCondIsRatnumSSQ(PrimitiveIsRatnum predicate, SCode consequent, Quotation alternative)
: base(predicate, consequent, alternative)
{
this.alternativeValue = alternative.Quoted;
}
public static SCode Make(PrimitiveIsRatnum predicate, Quotation consequent, Quotation alternative)
{
if (consequent.Quoted == alternative.Quoted) {
Debug.WriteLine ("; Optimize (if <expr> <literal> <literal>) => (begin <expr> <literal>)");
return Sequence2.Make (predicate, consequent);
}
else if (Configuration.EnableTrueUnspecific && consequent.Quoted == Constant.Unspecific) {
Debug.WriteLine ("; Optimize (if <expr> <unspecific> <literal>) => (begin <expr> <literal>)");
return Sequence2.Make (predicate, alternative);
}
else if (Configuration.EnableTrueUnspecific && alternative.Quoted == Constant.Unspecific) {
Debug.WriteLine ("; Optimize (if <expr> <literal> <unspecific>) => (begin <expr> <literal>)");
return Sequence2.Make (predicate, consequent);
}
return new PCondIsRatnumSQQ (predicate, consequent, alternative);
}
protected PCondIsRatnumSSL(PrimitiveIsRatnum predicate, SCode consequent, LexicalVariable alternative)
: base(predicate, consequent, alternative)
{
this.alternativeName = alternative.Name;
this.alternativeDepth = alternative.Depth;
this.alternativeOffset = alternative.Offset;
}
protected PCondIsRatnumSQL(PrimitiveIsRatnum predicate, Quotation consequent, LexicalVariable alternative)
: base(predicate, consequent, alternative)
{
}
public static SCode Make(PrimitiveIsRatnum predicate, Quotation consequent, LexicalVariable alternative)
{
throw new NotImplementedException ();
}
public static SCode Make(PrimitiveIsRatnum predicate, Quotation consequent, SCode alternative)
{
return
(alternative is LexicalVariable) ? PCondIsRatnumSQL.Make (predicate, consequent, (LexicalVariable) alternative)
: (alternative is Quotation) ? PCondIsRatnumSQQ.Make (predicate, consequent, (Quotation) alternative)
: new PCondIsRatnumSQ (predicate, consequent, alternative);
}
protected PCondIsRatnumSQ(PrimitiveIsRatnum predicate, Quotation consequent, SCode alternative)
: base(predicate, consequent, alternative)
{
this.consequentValue = consequent.Quoted;
}
protected PCondIsRatnumSLQ(PrimitiveIsRatnum predicate, LexicalVariable consequent, Quotation alternative)
: base(predicate, consequent, alternative)
{
this.alternativeValue = alternative.Quoted;
}
protected PCondIsRatnumSL(PrimitiveIsRatnum predicate, LexicalVariable consequent, SCode alternative)
: base(predicate, consequent, alternative)
{
this.consequentName = consequent.Name;
this.consequentDepth = consequent.Depth;
this.consequentOffset = consequent.Offset;
}
protected PCondIsRatnum(PrimitiveIsRatnum predicate, SCode consequent, SCode alternative)
: base(predicate, consequent, alternative)
{
}
