function.h

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#pragma once
 
#include "sdfg/types/type.h"
 
namespace sdfg {
 
namespace types {

class Function : public IType {
private:
    std::vector<std::unique_ptr<IType>> params_; 
    std::unique_ptr<IType> return_type_; 
    bool is_var_arg_; 
 
public:
    Function(const IType& return_type, bool is_var_arg = false);

    Function(
        StorageType storage_type,
        size_t alignment,
        const std::string& initializer,
        const IType& return_type,
        bool is_var_arg = false
    );

    virtual PrimitiveType primitive_type() const override;

    virtual TypeID type_id() const override;

    virtual bool is_symbol() const override;
 
    bool is_pointer_like() const override {
        return true;
    }

    size_t num_params() const;

    const IType& param_type(symbolic::Integer index) const;

    void add_param(const IType& param);

    const IType& return_type() const;

    bool is_var_arg() const;

    virtual bool operator==(const IType& other) const override;

    virtual std::unique_ptr<IType> clone() const override;

    virtual std::string print() const override;

    virtual void
    replace_symbols(const symbolic::Expression old_expression, const symbolic::Expression new_expression) override;
    virtual void replace_symbols(const symbolic::ExpressionMapping& replacements) override;
};
 
} // namespace types
} // namespace sdfg