Tail call optimization
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@@ -23,6 +23,7 @@ type
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destructor Destroy; override;
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function GetResult: string;
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// IAstVisitor
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function Execute(const RootNode: IAstNode): TDataValue;
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function VisitConstant(const Node: IConstantNode): TDataValue;
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function VisitIdentifier(const Node: IIdentifierNode): TDataValue;
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function VisitBinaryExpression(const Node: IBinaryExpressionNode): TDataValue;
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@@ -84,6 +85,11 @@ begin
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FBuilder.AppendLine(S);
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end;
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function TPrettyPrintVisitor.Execute(const RootNode: IAstNode): TDataValue;
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begin
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Result := RootNode.Accept(Self);
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end;
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function TPrettyPrintVisitor.VisitConstant(const Node: IConstantNode): TDataValue;
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begin
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AppendLine(Format('Constant (%s)', [Node.Value.ToString]));
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