27 lines
627 B
C++
27 lines
627 B
C++
#pragma once
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namespace sqlast {
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class SelectItem;
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class SelectList;
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class SelectStatement;
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class StatementList;
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class StringLiteral;
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class NodeVisitor
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{
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public:
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virtual ~NodeVisitor() = default;
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virtual void Visit(SelectItem &selectItem) = 0;
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virtual void Visit(SelectList &selectList) = 0;
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virtual void Visit(SelectStatement &selectStatement) = 0;
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virtual void Visit(StatementList &statementList) = 0;
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virtual void Visit(StringLiteral &stringLiteral) = 0;
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protected:
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void VisitSelectListItems(SelectList &selectList);
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};
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}
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