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#pragma once
#include <set>
class TypeStructuralEquality {
public:
TypeStructuralEquality() {};
bool equal(const_tree a, const_tree b);
protected:
virtual bool _equal(const_tree a, const_tree b);
private:
typedef std::set<const_tree> tset_t;
tset_t set_l;
tset_t set_r;
bool _equal_code(const_tree a, const_tree b);
bool _equal_wrapper(const_tree a, const_tree b);
#define TSE_FUNC_DECL(code) \
virtual bool _walk_ ## code (const_tree l, const_tree r)
TSE_FUNC_DECL(VOID_TYPE);
TSE_FUNC_DECL(COMPLEX_TYPE);
TSE_FUNC_DECL(INTEGER_TYPE);
TSE_FUNC_DECL(REAL_TYPE);
TSE_FUNC_DECL(FIXED_POINT_TYPE);
TSE_FUNC_DECL(POINTER_TYPE);
TSE_FUNC_DECL(ENUMERAL_TYPE);
TSE_FUNC_DECL(BOOLEAN_TYPE);
TSE_FUNC_DECL(OFFSET_TYPE);
TSE_FUNC_DECL(RECORD_TYPE);
TSE_FUNC_DECL(REFERENCE_TYPE);
TSE_FUNC_DECL(ARRAY_TYPE);
TSE_FUNC_DECL(UNION_TYPE);
TSE_FUNC_DECL(FUNCTION_TYPE);
TSE_FUNC_DECL(METHOD_TYPE);
const_tree left;
};
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