protected PCondIsRecordL1SQ(PrimitiveIsRecordL1 predicate, SCode consequent, Quotation alternative)
     : base(predicate, consequent, alternative)
 {
     this.alternativeValue = alternative.Quoted;
 }
 internal static SCode Make(PrimitiveIsRecordL1 predicate, SCode consequent, Quotation alternative)
 {
     return new PCondIsRecordL1SQ (predicate, consequent, alternative);
 }
 protected PCondIsRecordL1SL(PrimitiveIsRecordL1 predicate, SCode consequent, LexicalVariable alternative)
     : base(predicate, consequent, alternative)
 {
 }
 internal static SCode Make(PrimitiveIsRecordL1 predicate, SCode consequent, LexicalVariable alternative)
 {
     return new PCondIsRecordL1SL (predicate, consequent, alternative);
 }
 protected PCondIsRecordL1QQ(PrimitiveIsRecordL1 predicate, Quotation consequent, Quotation alternative)
     : base(predicate, consequent, alternative)
 {
 }
 internal static SCode Make(PrimitiveIsRecordL1 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 PCondIsRecordL1QQ (predicate, consequent, alternative);
 }
 internal static SCode Make(PrimitiveIsRecordL1 predicate, Quotation consequent, SCode alternative)
 {
     return
     (alternative is LexicalVariable) ? PCondIsRecordL1QL.Make (predicate, consequent, (LexicalVariable) alternative)
     : (alternative is Quotation) ? PCondIsRecordL1QQ.Make (predicate, consequent, (Quotation) alternative)
     : new PCondIsRecordL1Q (predicate, consequent, alternative);
 }
 internal static SCode Make(PrimitiveIsRecordL1 predicate, Quotation quotation, LexicalVariable alternative)
 {
     throw new NotImplementedException ();
 }
 protected PCondIsRecordL1Q(PrimitiveIsRecordL1 predicate, Quotation consequent, SCode alternative)
     : base(predicate, consequent, alternative)
 {
     this.consequentValue = consequent.Quoted;
 }
 protected PCondIsRecordL1LQ(PrimitiveIsRecordL1 predicate, LexicalVariable consequent, Quotation alternative)
     : base(predicate, consequent, alternative)
 {
     this.alternativeValue = alternative.Quoted;
 }
 protected PCondIsRecordL1L(PrimitiveIsRecordL1 predicate, LexicalVariable consequent, SCode alternative)
     : base(predicate, consequent, alternative)
 {
     this.consequentName = consequent.Name;
     this.consequentDepth = consequent.Depth;
     this.consequentOffset = consequent.Offset;
 }
 public static SCode Make(PrimitiveIsRecordL1 predicate, SCode consequent, SCode alternative)
 {
     return
         (consequent is LexicalVariable) ? PCondIsRecordL1L.Make (predicate, (LexicalVariable) consequent, alternative) :
         (consequent is Quotation) ? PCondIsRecordL1Q.Make (predicate, (Quotation) consequent, alternative) :
         (alternative is LexicalVariable) ? PCondIsRecordL1SL.Make (predicate, consequent, (LexicalVariable) alternative) :
         (alternative is Quotation) ? PCondIsRecordL1SQ.Make (predicate, consequent, (Quotation) alternative) :
         new PCondIsRecordL1 (predicate, consequent, alternative);
 }
 protected PCondIsRecordL1(PrimitiveIsRecordL1 predicate, SCode consequent, SCode alternative)
     : base(predicate, consequent, alternative)
 {
 }