public static SCode Make(PrimitiveIsFixnum predicate, SCode consequent, SCode alternative)
{
return
(predicate is PrimitiveIsFixnumL) ? PCondIsFixnumL.Make ((PrimitiveIsFixnumL) predicate, consequent, alternative)
: (consequent is LexicalVariable) ? PCondIsFixnumSL.Make (predicate, (LexicalVariable) consequent, alternative)
: (consequent is Quotation) ? PCondIsFixnumSQ.Make (predicate, (Quotation) consequent, alternative)
: (alternative is LexicalVariable) ? PCondIsFixnumSSL.Make (predicate, consequent, (LexicalVariable) alternative)
: (alternative is Quotation) ? PCondIsFixnumSSQ.Make (predicate, consequent, (Quotation) alternative)
: new PCondIsFixnum (predicate, consequent, alternative);
}
public static SCode Make(PrimitiveIsFixnum predicate, SCode consequent, Quotation alternative)
{
return new PCondIsFixnumSSQ (predicate, consequent, alternative);
}
public static SCode Make(PrimitiveIsFixnum predicate, SCode consequent, LexicalVariable alternative)
{
return new PCondIsFixnumSSL (predicate, consequent, alternative);
}
protected PCondIsFixnumSSQ(PrimitiveIsFixnum predicate, SCode consequent, Quotation alternative)
: base(predicate, consequent, alternative)
{
this.alternativeValue = alternative.Quoted;
}
public static SCode Make(PrimitiveIsFixnum 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 PCondIsFixnumSQQ (predicate, consequent, alternative);
}
protected PCondIsFixnumSSL(PrimitiveIsFixnum predicate, SCode consequent, LexicalVariable alternative)
: base(predicate, consequent, alternative)
{
this.alternativeName = alternative.Name;
this.alternativeDepth = alternative.Depth;
this.alternativeOffset = alternative.Offset;
}
protected PCondIsFixnumSQL(PrimitiveIsFixnum predicate, Quotation consequent, LexicalVariable alternative)
: base(predicate, consequent, alternative)
{
}
public static SCode Make(PrimitiveIsFixnum predicate, Quotation consequent, LexicalVariable alternative)
{
throw new NotImplementedException ();
}
public static SCode Make(PrimitiveIsFixnum predicate, Quotation consequent, SCode alternative)
{
return
(alternative is LexicalVariable) ? PCondIsFixnumSQL.Make (predicate, consequent, (LexicalVariable) alternative) :
(alternative is Quotation) ? PCondIsFixnumSQQ.Make (predicate, consequent, (Quotation) alternative) :
new PCondIsFixnumSQ (predicate, consequent, alternative);
}
protected PCondIsFixnumSQ(PrimitiveIsFixnum predicate, Quotation consequent, SCode alternative)
: base(predicate, consequent, alternative)
{
this.consequentValue = consequent.Quoted;
}
protected PCondIsFixnumSLQ(PrimitiveIsFixnum predicate, LexicalVariable consequent, Quotation alternative)
: base(predicate, consequent, alternative)
{
this.alternativeValue = alternative.Quoted;
}
protected PCondIsFixnumSL(PrimitiveIsFixnum predicate, LexicalVariable consequent, SCode alternative)
: base(predicate, consequent, alternative)
{
this.consequentName = consequent.Name;
this.consequentDepth = consequent.Depth;
this.consequentOffset = consequent.Offset;
}
protected PCondIsFixnum(PrimitiveIsFixnum predicate, SCode consequent, SCode alternative)
: base(predicate, consequent, alternative)
{
}
