public static SCode Make(PrimitiveIsRecord predicate, SCode consequent, SCode alternative)
{
return
(predicate is PrimitiveIsRecordL) ? PCondIsRecordL.Make ((PrimitiveIsRecordL) predicate, consequent, alternative)
: (consequent is LexicalVariable) ? PCondIsRecordSL.Make (predicate, (LexicalVariable) consequent, alternative)
: (consequent is Quotation) ? PCondIsRecordSQ.Make (predicate, (Quotation) consequent, alternative)
: (alternative is LexicalVariable) ? PCondIsRecordSSL.Make (predicate, consequent, (LexicalVariable) alternative)
: (alternative is Quotation) ? PCondIsRecordSSQ.Make (predicate, consequent, (Quotation) alternative)
: new PCondIsRecord (predicate, consequent, alternative);
}
public static SCode Make(PrimitiveIsRecord predicate, SCode consequent, Quotation alternative)
{
return new PCondIsRecordSSQ (predicate, consequent, alternative);
}
public static SCode Make(PrimitiveIsRecord predicate, SCode consequent, LexicalVariable alternative)
{
return new PCondIsRecordSSL (predicate, consequent, alternative);
}
PCondIsRecordSSQ(PrimitiveIsRecord predicate, SCode consequent, Quotation alternative)
: base(predicate, consequent, alternative)
{
this.alternativeValue = alternative.Quoted;
}
public static SCode Make(PrimitiveIsRecord 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 PCondIsRecordSQQ (predicate, consequent, alternative);
}
protected PCondIsRecordSSL(PrimitiveIsRecord predicate, SCode consequent, LexicalVariable alternative)
: base(predicate, consequent, alternative)
{
this.alternativeName = alternative.Name;
this.alternativeDepth = alternative.Depth;
this.alternativeOffset = alternative.Offset;
}
protected PCondIsRecordSQL(PrimitiveIsRecord predicate, Quotation consequent, LexicalVariable alternative)
: base(predicate, consequent, alternative)
{
}
public static SCode Make(PrimitiveIsRecord predicate, Quotation consequent, LexicalVariable alternative)
{
throw new NotImplementedException ();
}
public static SCode Make(PrimitiveIsRecord predicate, Quotation consequent, SCode alternative)
{
return
(alternative is LexicalVariable) ? PCondIsRecordSQL.Make (predicate, consequent, (LexicalVariable) alternative)
: (alternative is Quotation) ? PCondIsRecordSQQ.Make (predicate, consequent, (Quotation) alternative)
: new PCondIsRecordSQ (predicate, consequent, alternative);
}
protected PCondIsRecordSQ(PrimitiveIsRecord predicate, Quotation consequent, SCode alternative)
: base(predicate, consequent, alternative)
{
this.consequentValue = consequent.Quoted;
}
protected PCondIsRecordSLQ(PrimitiveIsRecord predicate, LexicalVariable consequent, Quotation alternative)
: base(predicate, consequent, alternative)
{
this.alternativeValue = alternative.Quoted;
}
protected PCondIsRecord(PrimitiveIsRecord predicate, SCode consequent, SCode alternative)
: base(predicate, consequent, alternative)
{
}
protected PCondIsRecordSL(PrimitiveIsRecord predicate, LexicalVariable consequent, SCode alternative)
: base(predicate, consequent, alternative)
{
this.consequentName = consequent.Name;
this.consequentDepth = consequent.Depth;
this.consequentOffset = consequent.Offset;
}
