ExprContainer.hpp

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#pragma once
 
#include "AstGlobal.h"
#include "Expr.hpp"
#include "AstUtil/SharedPtr.hpp"
#include <vector>
 
AST_NAMESPACE_BEGIN
 
 
class ExprContainer: public Expr
{
public:
    using VectorType = std::vector<SharedPtr<Expr>>;
 
    ExprContainer() = default;
 
    ExprContainer(const VectorType& elems)
        : elems_(elems) {}
    
    Expr* at(size_t index) const { return elems_[index].get(); }
    
    size_t size() const { return elems_.size(); }
 
    void push_back(Expr* expr) { elems_.push_back(expr); }
 
    const VectorType& children() const { return elems_; }
protected:
    VectorType elems_;      
};
 
AST_NAMESPACE_END