public static SCode Make(PrimitiveIsSymbol predicate, SCode alternative)
{
return
((predicate is PrimitiveIsSymbolA) ? POrIsSymbolA.Make((PrimitiveIsSymbolA)predicate, alternative) :
(predicate is PrimitiveIsSymbolS) ? POrIsSymbolS.Make((PrimitiveIsSymbolS)predicate, alternative) :
new POrIsSymbol(predicate, alternative));
}
public static SCode Make(PrimitiveIsSymbol predicate, SCode consequent, SCode alternative)
{
return
(predicate is PrimitiveIsSymbolL) ? PCondIsSymbolL.Make ((PrimitiveIsSymbolL) predicate, consequent, alternative)
: (consequent is LexicalVariable) ? PCondIsSymbolSL.Make (predicate, (LexicalVariable) consequent, alternative)
: (consequent is Quotation) ? PCondIsSymbolSQ.Make (predicate, (Quotation) consequent, alternative)
: (alternative is LexicalVariable) ? PCondIsSymbolSSL.Make (predicate, consequent, (LexicalVariable) alternative)
: (alternative is Quotation) ? PCondIsSymbolSSQ.Make (predicate, consequent, (Quotation) alternative)
: new PCondIsSymbol (predicate, consequent, alternative);
}
public static SCode Make(PrimitiveIsSymbol predicate, SCode consequent, Quotation alternative)
{
return new PCondIsSymbolSSQ (predicate, consequent, alternative);
}
protected PCondIsSymbolSSQ(PrimitiveIsSymbol predicate, SCode consequent, Quotation alternative)
: base(predicate, consequent, alternative)
{
this.alternativeValue = alternative.Quoted;
}
public static SCode Make(PrimitiveIsSymbol predicate, SCode consequent, LexicalVariable alternative)
{
return new PCondIsSymbolSSL (predicate, consequent, alternative);
}
protected PCondIsSymbolSSL(PrimitiveIsSymbol predicate, SCode consequent, LexicalVariable alternative)
: base(predicate, consequent, alternative)
{
this.alternativeName = alternative.Name;
this.alternativeDepth = alternative.Depth;
this.alternativeOffset = alternative.Offset;
}
public static SCode Make(PrimitiveIsSymbol 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 PCondIsSymbolSQQ (predicate, consequent, alternative);
}
public static SCode Make(PrimitiveIsSymbol predicate, Quotation consequent, LexicalVariable alternative)
{
throw new NotImplementedException ();
}
protected PCondIsSymbolSQL(PrimitiveIsSymbol predicate, Quotation consequent, LexicalVariable alternative)
: base(predicate, consequent, alternative)
{
}
public static SCode Make(PrimitiveIsSymbol predicate, Quotation consequent, SCode alternative)
{
return
(alternative is LexicalVariable) ? PCondIsSymbolSQL.Make (predicate, consequent, (LexicalVariable) alternative)
: (alternative is Quotation) ? PCondIsSymbolSQQ.Make (predicate, consequent, (Quotation) alternative)
: new PCondIsSymbolSQ (predicate, consequent, alternative);
}
protected PCondIsSymbolSQ(PrimitiveIsSymbol predicate, Quotation consequent, SCode alternative)
: base(predicate, consequent, alternative)
{
this.consequentValue = consequent.Quoted;
}
protected PCondIsSymbolSLQ(PrimitiveIsSymbol predicate, LexicalVariable consequent, Quotation alternative)
: base(predicate, consequent, alternative)
{
this.alternativeValue = alternative.Quoted;
}
protected PCondIsSymbolSL(PrimitiveIsSymbol predicate, LexicalVariable consequent, SCode alternative)
: base(predicate, consequent, alternative)
{
this.consequentName = consequent.Name;
this.consequentDepth = consequent.Depth;
this.consequentOffset = consequent.Offset;
}
protected PCondIsSymbol(PrimitiveIsSymbol predicate, SCode consequent, SCode alternative)
: base(predicate, consequent, alternative)
{
}
protected POrIsSymbol(PrimitiveIsSymbol predicate, SCode alternative)
: base(predicate, alternative)
{
}
