40 lines
653 B
C++
40 lines
653 B
C++
#pragma once
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#include "ast_node.hpp"
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namespace ast
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{
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struct Expr : public AstVisitable
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{
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};
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template <class Derived>
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struct VisitableExpr : public Crtp<Derived>, public Expr
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{
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using uptr = std::unique_ptr<Derived>;
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virtual void accept(AstVisitor& visitor)
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{
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visitor.visit(this->derived());
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}
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};
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template <class T, class Derived>
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struct LeafExpr : public VisitableExpr<Derived>
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{
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LeafExpr(T value) : value(value) {}
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T value;
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};
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template <class Derived>
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struct BinaryExpr : public VisitableExpr<Derived>
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{
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BinaryExpr(Expr* left, Expr* right) : left(left), right(right) {}
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Expr* left;
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Expr* right;
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};
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}
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